REG_RULE(2412-20, 2484+20, 40, 6, 20, 0),
/* IEEE 802.11a, channels 34..48 */
REG_RULE(5170-20, 5240+20, 40, 6, 20,
- NL80211_RRF_PASSIVE_SCAN),
+ NL80211_RRF_NO_IR),
/* IEEE 802.11a, channels 52..64 */
REG_RULE(5260-20, 5320+20, 40, 6, 20,
- NL80211_RRF_NO_IBSS |
+ NL80211_RRF_NO_IR|
NL80211_RRF_DFS),
}
};
ch->allow_vht = true;
ch->allow_ibss =
- !(channel->flags & IEEE80211_CHAN_NO_IBSS);
+ !(channel->flags & IEEE80211_CHAN_NO_IR);
ch->ht40plus =
!(channel->flags & IEEE80211_CHAN_NO_HT40PLUS);
- passive = channel->flags & IEEE80211_CHAN_PASSIVE_SCAN;
+ passive = channel->flags & IEEE80211_CHAN_NO_IR;
ch->passive = passive;
ch->freq = channel->center_freq;
(mode == WMI_11G_HT20) ?
NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT);
+ mutex_lock(&vif->wdev.mtx);
cfg80211_ch_switch_notify(vif->ndev, &chandef);
+ mutex_unlock(&vif->wdev.mtx);
}
static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
}
static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
- struct ieee80211_channel *chan, bool offchan,
- unsigned int wait, const u8 *buf, size_t len,
- bool no_cck, bool dont_wait_for_ack, u64 *cookie)
+ struct cfg80211_mgmt_tx_params *params, u64 *cookie)
{
struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
struct ath6kl *ar = ath6kl_priv(vif->ndev);
+ struct ieee80211_channel *chan = params->chan;
+ const u8 *buf = params->buf;
+ size_t len = params->len;
+ unsigned int wait = params->wait;
+ bool no_cck = params->no_cck;
u32 id, freq;
const struct ieee80211_mgmt *mgmt;
bool more_data, queued;
/* We enable active scan on these a case by case basis by regulatory domain */
#define ATH9K_2GHZ_CH12_13 REG_RULE(2467-10, 2472+10, 40, 0, 20,\
- NL80211_RRF_PASSIVE_SCAN)
+ NL80211_RRF_NO_IR)
#define ATH9K_2GHZ_CH14 REG_RULE(2484-10, 2484+10, 40, 0, 20,\
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_OFDM)
+ NL80211_RRF_NO_IR | \
+ NL80211_RRF_NO_OFDM)
/* We allow IBSS on these on a case by case basis by regulatory domain */
#define ATH9K_5GHZ_5150_5350 REG_RULE(5150-10, 5350+10, 80, 0, 30,\
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
#define ATH9K_5GHZ_5470_5850 REG_RULE(5470-10, 5850+10, 80, 0, 30,\
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
#define ATH9K_5GHZ_5725_5850 REG_RULE(5725-10, 5850+10, 80, 0, 30,\
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
#define ATH9K_2GHZ_ALL ATH9K_2GHZ_CH01_11, \
ATH9K_2GHZ_CH12_13, \
* default during init, prior to calling our
* regulatory_hint().
*/
- if (!(reg_rule->flags &
- NL80211_RRF_NO_IBSS))
- ch->flags &=
- ~IEEE80211_CHAN_NO_IBSS;
- if (!(reg_rule->flags &
- NL80211_RRF_PASSIVE_SCAN))
- ch->flags &=
- ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (!(reg_rule->flags & NL80211_RRF_NO_IR))
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
} else {
if (ch->beacon_found)
- ch->flags &= ~(IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN);
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
}
}
}
*/
if (initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) {
ch = &sband->channels[11]; /* CH 12 */
- if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
- ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (ch->flags & IEEE80211_CHAN_NO_IR)
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
ch = &sband->channels[12]; /* CH 13 */
- if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
- ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (ch->flags & IEEE80211_CHAN_NO_IR)
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
return;
}
ch = &sband->channels[11]; /* CH 12 */
reg_rule = freq_reg_info(wiphy, ch->center_freq);
if (!IS_ERR(reg_rule)) {
- if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
- if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
- ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (!(reg_rule->flags & NL80211_RRF_NO_IR))
+ if (ch->flags & IEEE80211_CHAN_NO_IR)
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
}
ch = &sband->channels[12]; /* CH 13 */
reg_rule = freq_reg_info(wiphy, ch->center_freq);
if (!IS_ERR(reg_rule)) {
- if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
- if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
- ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (!(reg_rule->flags & NL80211_RRF_NO_IR))
+ if (ch->flags & IEEE80211_CHAN_NO_IR)
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
}
}
*/
if (!(ch->flags & IEEE80211_CHAN_DISABLED))
ch->flags |= IEEE80211_CHAN_RADAR |
- IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN;
+ IEEE80211_CHAN_NO_IR;
}
}
const struct ieee80211_regdomain *regd;
wiphy->reg_notifier = reg_notifier;
- wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
+ wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
if (ath_is_world_regd(reg)) {
/*
* saved on the wiphy orig_* parameters
*/
regd = ath_world_regdomain(reg);
- wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+ wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
+ REGULATORY_COUNTRY_IE_FOLLOW_POWER;
} else {
/*
* This gets applied in the case of the absence of CRDA,
struct ieee80211_channel *chan = request->channels[i];
if (chan->flags & (IEEE80211_CHAN_RADAR |
- IEEE80211_CHAN_PASSIVE_SCAN))
+ IEEE80211_CHAN_NO_IR))
continue;
chanspecs[i] = channel_to_chanspec(&p2p->cfg->d11inf,
/* This is to override regulatory domains defined in cfg80211 module (reg.c)
* By default world regulatory domain defined in reg.c puts the flags
- * NL80211_RRF_PASSIVE_SCAN and NL80211_RRF_NO_IBSS for 5GHz channels (for
- * 36..48 and 149..165). With respect to these flags, wpa_supplicant doesn't
- * start p2p operations on 5GHz channels. All the changes in world regulatory
+ * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
+ * With respect to these flags, wpa_supplicant doesn't * start p2p
+ * operations on 5GHz channels. All the changes in world regulatory
* domain are to be done here.
*/
static const struct ieee80211_regdomain brcmf_regdom = {
static int
brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
- struct ieee80211_channel *chan, bool offchan,
- unsigned int wait, const u8 *buf, size_t len,
- bool no_cck, bool dont_wait_for_ack, u64 *cookie)
+ struct cfg80211_mgmt_tx_params *params, u64 *cookie)
{
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct ieee80211_channel *chan = params->chan;
+ const u8 *buf = params->buf;
+ size_t len = params->len;
const struct ieee80211_mgmt *mgmt;
struct brcmf_cfg80211_vif *vif;
s32 err = 0;
wiphy->max_remain_on_channel_duration = 5000;
brcmf_wiphy_pno_params(wiphy);
brcmf_dbg(INFO, "Registering custom regulatory\n");
- wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+ wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
err = wiphy_register(wiphy);
if (err < 0) {
if (channel & WL_CHAN_RADAR)
band_chan_arr[index].flags |=
(IEEE80211_CHAN_RADAR |
- IEEE80211_CHAN_NO_IBSS);
+ IEEE80211_CHAN_NO_IR);
if (channel & WL_CHAN_PASSIVE)
band_chan_arr[index].flags |=
- IEEE80211_CHAN_PASSIVE_SCAN;
+ IEEE80211_CHAN_NO_IR;
}
}
if (!update)
#define BRCM_2GHZ_2412_2462 REG_RULE(2412-10, 2462+10, 40, 0, 19, 0)
#define BRCM_2GHZ_2467_2472 REG_RULE(2467-10, 2472+10, 20, 0, 19, \
- NL80211_RRF_PASSIVE_SCAN | \
- NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
#define BRCM_5GHZ_5180_5240 REG_RULE(5180-10, 5240+10, 40, 0, 21, \
- NL80211_RRF_PASSIVE_SCAN | \
- NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
#define BRCM_5GHZ_5260_5320 REG_RULE(5260-10, 5320+10, 40, 0, 21, \
- NL80211_RRF_PASSIVE_SCAN | \
NL80211_RRF_DFS | \
- NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
#define BRCM_5GHZ_5500_5700 REG_RULE(5500-10, 5700+10, 40, 0, 21, \
- NL80211_RRF_PASSIVE_SCAN | \
NL80211_RRF_DFS | \
- NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
#define BRCM_5GHZ_5745_5825 REG_RULE(5745-10, 5825+10, 40, 0, 21, \
- NL80211_RRF_PASSIVE_SCAN | \
- NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
static const struct ieee80211_regdomain brcms_regdom_x2 = {
.n_reg_rules = 6,
brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false);
brcms_b_set_chanspec(wlc->hw, chanspec,
- !!(ch->flags & IEEE80211_CHAN_PASSIVE_SCAN),
+ !!(ch->flags & IEEE80211_CHAN_NO_IR),
&txpwr);
}
*/
if (!(ch->flags & IEEE80211_CHAN_DISABLED))
ch->flags |= IEEE80211_CHAN_RADAR |
- IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN;
+ IEEE80211_CHAN_NO_IR |
+ IEEE80211_CHAN_NO_IR;
}
}
if (IS_ERR(rule))
continue;
- if (!(rule->flags & NL80211_RRF_NO_IBSS))
- ch->flags &= ~IEEE80211_CHAN_NO_IBSS;
- if (!(rule->flags & NL80211_RRF_PASSIVE_SCAN))
- ch->flags &=
- ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (!(rule->flags & NL80211_RRF_NO_IR))
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
} else if (ch->beacon_found) {
- ch->flags &= ~(IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN);
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
}
}
}
}
wlc->wiphy->reg_notifier = brcms_reg_notifier;
- wlc->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
- WIPHY_FLAG_STRICT_REGULATORY;
+ wlc->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
+ REGULATORY_STRICT_REG;
wiphy_apply_custom_regulatory(wlc->wiphy, regd->regdomain);
brcms_reg_apply_beaconing_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER);
}
CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
CHAN2GHZ(12, 2467,
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_IR |
IEEE80211_CHAN_NO_HT40PLUS),
CHAN2GHZ(13, 2472,
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_IR |
IEEE80211_CHAN_NO_HT40PLUS),
CHAN2GHZ(14, 2484,
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_IR |
IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS |
IEEE80211_CHAN_NO_OFDM)
};
CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
/* UNII-2 */
CHAN5GHZ(52,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
CHAN5GHZ(56,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
CHAN5GHZ(60,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
CHAN5GHZ(64,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
/* MID */
CHAN5GHZ(100,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
CHAN5GHZ(104,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
CHAN5GHZ(108,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
CHAN5GHZ(112,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
CHAN5GHZ(116,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
CHAN5GHZ(120,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
CHAN5GHZ(124,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
CHAN5GHZ(128,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
CHAN5GHZ(132,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
CHAN5GHZ(136,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
CHAN5GHZ(140,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS |
IEEE80211_CHAN_NO_HT40MINUS),
/* UNII-3 */
CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
if ((*it)->band != first->band)
break;
if (((*it)->flags ^ first->flags) &
- IEEE80211_CHAN_PASSIVE_SCAN)
+ IEEE80211_CHAN_NO_IR)
break;
- if (!(first->flags & IEEE80211_CHAN_PASSIVE_SCAN) &&
+ if (!(first->flags & IEEE80211_CHAN_NO_IR) &&
(*it)->max_power != first->max_power)
break;
}
else
scan.max_tx_rate = WSM_TRANSMIT_RATE_1;
scan.num_probes =
- (first->flags & IEEE80211_CHAN_PASSIVE_SCAN) ? 0 : 2;
+ (first->flags & IEEE80211_CHAN_NO_IR) ? 0 : 2;
scan.num_ssids = priv->scan.n_ssids;
scan.ssids = &priv->scan.ssids[0];
scan.num_channels = it - priv->scan.curr;
}
for (i = 0; i < scan.num_channels; ++i) {
scan.ch[i].number = priv->scan.curr[i]->hw_value;
- if (priv->scan.curr[i]->flags & IEEE80211_CHAN_PASSIVE_SCAN) {
+ if (priv->scan.curr[i]->flags & IEEE80211_CHAN_NO_IR) {
scan.ch[i].min_chan_time = 50;
scan.ch[i].max_chan_time = 100;
} else {
scan.ch[i].max_chan_time = 25;
}
}
- if (!(first->flags & IEEE80211_CHAN_PASSIVE_SCAN) &&
+ if (!(first->flags & IEEE80211_CHAN_NO_IR) &&
priv->scan.output_power != first->max_power) {
priv->scan.output_power = first->max_power;
wsm_set_output_power(priv,
bg_band->channels[i].max_power = geo->bg[i].max_power;
if (geo->bg[i].flags & LIBIPW_CH_PASSIVE_ONLY)
bg_band->channels[i].flags |=
- IEEE80211_CHAN_PASSIVE_SCAN;
+ IEEE80211_CHAN_NO_IR;
if (geo->bg[i].flags & LIBIPW_CH_NO_IBSS)
bg_band->channels[i].flags |=
- IEEE80211_CHAN_NO_IBSS;
+ IEEE80211_CHAN_NO_IR;
if (geo->bg[i].flags & LIBIPW_CH_RADAR_DETECT)
bg_band->channels[i].flags |=
IEEE80211_CHAN_RADAR;
bg_band->channels[i].max_power = geo->bg[i].max_power;
if (geo->bg[i].flags & LIBIPW_CH_PASSIVE_ONLY)
bg_band->channels[i].flags |=
- IEEE80211_CHAN_PASSIVE_SCAN;
+ IEEE80211_CHAN_NO_IR;
if (geo->bg[i].flags & LIBIPW_CH_NO_IBSS)
bg_band->channels[i].flags |=
- IEEE80211_CHAN_NO_IBSS;
+ IEEE80211_CHAN_NO_IR;
if (geo->bg[i].flags & LIBIPW_CH_RADAR_DETECT)
bg_band->channels[i].flags |=
IEEE80211_CHAN_RADAR;
a_band->channels[i].max_power = geo->a[i].max_power;
if (geo->a[i].flags & LIBIPW_CH_PASSIVE_ONLY)
a_band->channels[i].flags |=
- IEEE80211_CHAN_PASSIVE_SCAN;
+ IEEE80211_CHAN_NO_IR;
if (geo->a[i].flags & LIBIPW_CH_NO_IBSS)
a_band->channels[i].flags |=
- IEEE80211_CHAN_NO_IBSS;
+ IEEE80211_CHAN_NO_IR;
if (geo->a[i].flags & LIBIPW_CH_RADAR_DETECT)
a_band->channels[i].flags |=
IEEE80211_CHAN_RADAR;
* and use long active_dwell time.
*/
if (!is_active || il_is_channel_passive(ch_info) ||
- (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)) {
+ (chan->flags & IEEE80211_CHAN_NO_IR)) {
scan_ch->type = 0; /* passive */
if (IL_UCODE_API(il->ucode_ver) == 1)
scan_ch->active_dwell =
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
- hw->wiphy->flags |=
- WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS |
- WIPHY_FLAG_IBSS_RSN;
+ hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+ hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
+ REGULATORY_DISABLE_BEACON_HINTS;
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
}
if (!is_active || il_is_channel_passive(ch_info) ||
- (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN))
+ (chan->flags & IEEE80211_CHAN_NO_IR))
scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE;
else
scan_ch->type = SCAN_CHANNEL_TYPE_ACTIVE;
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
- hw->wiphy->flags |=
- WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS |
- WIPHY_FLAG_IBSS_RSN;
+ hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+ hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
+ REGULATORY_DISABLE_BEACON_HINTS;
/*
* For now, disable PS by default because it affects
if (il_is_channel_valid(ch)) {
if (!(ch->flags & EEPROM_CHANNEL_IBSS))
- geo_ch->flags |= IEEE80211_CHAN_NO_IBSS;
+ geo_ch->flags |= IEEE80211_CHAN_NO_IR;
if (!(ch->flags & EEPROM_CHANNEL_ACTIVE))
- geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
+ geo_ch->flags |= IEEE80211_CHAN_NO_IR;
if (ch->flags & EEPROM_CHANNEL_RADAR)
geo_ch->flags |= IEEE80211_CHAN_RADAR;
flags & IEEE80211_CHAN_RADAR ?
" (IEEE 802.11h required)" : "",
((channels[i].
- flags & IEEE80211_CHAN_NO_IBSS) ||
+ flags & IEEE80211_CHAN_NO_IR) ||
(channels[i].
flags & IEEE80211_CHAN_RADAR)) ? "" :
", IBSS",
channels[i].
- flags & IEEE80211_CHAN_PASSIVE_SCAN ?
+ flags & IEEE80211_CHAN_NO_IR ?
"passive only" : "active/passive");
}
supp_band = il_get_hw_mode(il, IEEE80211_BAND_5GHZ);
flags & IEEE80211_CHAN_RADAR ?
" (IEEE 802.11h required)" : "",
((channels[i].
- flags & IEEE80211_CHAN_NO_IBSS) ||
+ flags & IEEE80211_CHAN_NO_IR) ||
(channels[i].
flags & IEEE80211_CHAN_RADAR)) ? "" :
", IBSS",
channels[i].
- flags & IEEE80211_CHAN_PASSIVE_SCAN ?
+ flags & IEEE80211_CHAN_NO_IR ?
"passive only" : "active/passive");
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
channels[i].max_power,
channels[i].flags & IEEE80211_CHAN_RADAR ?
" (IEEE 802.11h required)" : "",
- ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
+ ((channels[i].flags & IEEE80211_CHAN_NO_IR)
|| (channels[i].flags &
IEEE80211_CHAN_RADAR)) ? "" :
", IBSS",
channels[i].flags &
- IEEE80211_CHAN_PASSIVE_SCAN ?
+ IEEE80211_CHAN_NO_IR ?
"passive only" : "active/passive");
}
supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
channels[i].max_power,
channels[i].flags & IEEE80211_CHAN_RADAR ?
" (IEEE 802.11h required)" : "",
- ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
+ ((channels[i].flags & IEEE80211_CHAN_NO_IR)
|| (channels[i].flags &
IEEE80211_CHAN_RADAR)) ? "" :
", IBSS",
channels[i].flags &
- IEEE80211_CHAN_PASSIVE_SCAN ?
+ IEEE80211_CHAN_NO_IR ?
"passive only" : "active/passive");
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
ARRAY_SIZE(iwlagn_iface_combinations_dualmode);
}
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
- WIPHY_FLAG_DISABLE_BEACON_HINTS |
- WIPHY_FLAG_IBSS_RSN;
+ hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+ hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
+ REGULATORY_DISABLE_BEACON_HINTS;
#ifdef CONFIG_PM_SLEEP
if (priv->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
channel = chan->hw_value;
scan_ch->channel = cpu_to_le16(channel);
- if (!is_active || (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN))
+ if (!is_active || (chan->flags & IEEE80211_CHAN_NO_IR))
scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE;
else
scan_ch->type = SCAN_CHANNEL_TYPE_ACTIVE;
channel->flags = IEEE80211_CHAN_NO_HT40;
if (!(eeprom_ch->flags & EEPROM_CHANNEL_IBSS))
- channel->flags |= IEEE80211_CHAN_NO_IBSS;
+ channel->flags |= IEEE80211_CHAN_NO_IR;
if (!(eeprom_ch->flags & EEPROM_CHANNEL_ACTIVE))
- channel->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
+ channel->flags |= IEEE80211_CHAN_NO_IR;
if (eeprom_ch->flags & EEPROM_CHANNEL_RADAR)
channel->flags |= IEEE80211_CHAN_RADAR;
channel->flags |= IEEE80211_CHAN_NO_160MHZ;
if (!(ch_flags & NVM_CHANNEL_IBSS))
- channel->flags |= IEEE80211_CHAN_NO_IBSS;
+ channel->flags |= IEEE80211_CHAN_NO_IR;
if (!(ch_flags & NVM_CHANNEL_ACTIVE))
- channel->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
+ channel->flags |= IEEE80211_CHAN_NO_IR;
if (ch_flags & NVM_CHANNEL_RADAR)
channel->flags |= IEEE80211_CHAN_RADAR;
if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 8)
hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
- WIPHY_FLAG_DISABLE_BEACON_HINTS |
- WIPHY_FLAG_IBSS_RSN;
+ hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+ hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
+ REGULATORY_DISABLE_BEACON_HINTS;
hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
hw->wiphy->n_iface_combinations =
for (i = 0; i < cmd->channel_count; i++) {
chan->channel = cpu_to_le16(req->channels[i]->hw_value);
chan->type = cpu_to_le32(type);
- if (req->channels[i]->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+ if (req->channels[i]->flags & IEEE80211_CHAN_NO_IR)
chan->type &= cpu_to_le32(~SCAN_CHANNEL_TYPE_ACTIVE);
chan->active_dwell = cpu_to_le16(active_dwell);
chan->passive_dwell = cpu_to_le16(passive_dwell);
channels->iter_count[index] = cpu_to_le16(1);
channels->iter_interval[index] = 0;
- if (!(s_band->channels[i].flags & IEEE80211_CHAN_PASSIVE_SCAN))
+ if (!(s_band->channels[i].flags & IEEE80211_CHAN_NO_IR))
channels->type[index] |=
cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE);
.reg_rules = {
REG_RULE(2412-10, 2462+10, 40, 0, 20, 0),
REG_RULE(5725-10, 5850+10, 40, 0, 30,
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
+ NL80211_RRF_NO_IR),
}
};
} ps;
bool ps_poll_pending;
struct dentry *debugfs;
- struct dentry *debugfs_ps;
struct sk_buff_head pending; /* packets pending */
/*
* radio can be in more then one group.
*/
u64 group;
- struct dentry *debugfs_group;
int power_level;
req->channels[hwsim->scan_chan_idx]->center_freq);
hwsim->tmp_chan = req->channels[hwsim->scan_chan_idx];
- if (hwsim->tmp_chan->flags & IEEE80211_CHAN_PASSIVE_SCAN ||
+ if (hwsim->tmp_chan->flags & IEEE80211_CHAN_NO_IR ||
!req->n_ssids) {
dwell = 120;
} else {
spin_unlock_bh(&hwsim_radio_lock);
list_for_each_entry_safe(data, tmpdata, &tmplist, list) {
- debugfs_remove(data->debugfs_group);
- debugfs_remove(data->debugfs_ps);
- debugfs_remove(data->debugfs);
+ debugfs_remove_recursive(data->debugfs);
ieee80211_unregister_hw(data->hw);
device_release_driver(data->dev);
device_unregister(data->dev);
DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_ps, hwsim_fops_ps_read, hwsim_fops_ps_write,
"%llu\n");
+static int hwsim_write_simulate_radar(void *dat, u64 val)
+{
+ struct mac80211_hwsim_data *data = dat;
+
+ ieee80211_radar_detected(data->hw);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(hwsim_simulate_radar, NULL,
+ hwsim_write_simulate_radar, "%llu\n");
static int hwsim_fops_group_read(void *dat, u64 *val)
{
{ .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
};
-static struct ieee80211_iface_combination hwsim_if_comb = {
- .limits = hwsim_if_limits,
- .n_limits = ARRAY_SIZE(hwsim_if_limits),
- .max_interfaces = 2048,
- .num_different_channels = 1,
+static const struct ieee80211_iface_limit hwsim_if_dfs_limits[] = {
+ { .max = 8, .types = BIT(NL80211_IFTYPE_AP) },
+};
+
+static struct ieee80211_iface_combination hwsim_if_comb[] = {
+ {
+ .limits = hwsim_if_limits,
+ .n_limits = ARRAY_SIZE(hwsim_if_limits),
+ .max_interfaces = 2048,
+ .num_different_channels = 1,
+ },
+ {
+ .limits = hwsim_if_dfs_limits,
+ .n_limits = ARRAY_SIZE(hwsim_if_dfs_limits),
+ .max_interfaces = 8,
+ .num_different_channels = 1,
+ .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80) |
+ BIT(NL80211_CHAN_WIDTH_160),
+ }
};
static int __init init_mac80211_hwsim(void)
return -EINVAL;
if (channels > 1) {
- hwsim_if_comb.num_different_channels = channels;
+ hwsim_if_comb[0].num_different_channels = channels;
mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan;
mac80211_hwsim_ops.cancel_hw_scan =
mac80211_hwsim_cancel_hw_scan;
hw->wiphy->n_addresses = 2;
hw->wiphy->addresses = data->addresses;
- hw->wiphy->iface_combinations = &hwsim_if_comb;
- hw->wiphy->n_iface_combinations = 1;
+ hw->wiphy->iface_combinations = hwsim_if_comb;
+ hw->wiphy->n_iface_combinations = ARRAY_SIZE(hwsim_if_comb);
if (channels > 1) {
hw->wiphy->max_scan_ssids = 255;
hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
hw->wiphy->max_remain_on_channel_duration = 1000;
+ /* For channels > 1 DFS is not allowed */
+ hw->wiphy->n_iface_combinations = 1;
}
INIT_DELAYED_WORK(&data->roc_done, hw_roc_done);
IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_WANT_MONITOR_VIF |
- IEEE80211_HW_QUEUE_CONTROL;
+ IEEE80211_HW_QUEUE_CONTROL |
+ IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
if (rctbl)
hw->flags |= IEEE80211_HW_SUPPORTS_RC_TABLE;
sband->vht_cap.cap =
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ |
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
IEEE80211_VHT_CAP_RXLDPC |
IEEE80211_VHT_CAP_SHORT_GI_80 |
IEEE80211_VHT_CAP_SHORT_GI_160 |
break;
case HWSIM_REGTEST_WORLD_ROAM:
if (i == 0) {
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+ hw->wiphy->regulatory_flags |=
+ REGULATORY_CUSTOM_REG;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_01);
}
break;
case HWSIM_REGTEST_CUSTOM_WORLD:
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+ hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_01);
break;
case HWSIM_REGTEST_CUSTOM_WORLD_2:
if (i == 0) {
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+ hw->wiphy->regulatory_flags |=
+ REGULATORY_CUSTOM_REG;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_01);
} else if (i == 1) {
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+ hw->wiphy->regulatory_flags |=
+ REGULATORY_CUSTOM_REG;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_02);
}
break;
case HWSIM_REGTEST_STRICT_ALL:
- hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
+ hw->wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
break;
case HWSIM_REGTEST_STRICT_FOLLOW:
case HWSIM_REGTEST_STRICT_AND_DRIVER_REG:
if (i == 0)
- hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
+ hw->wiphy->regulatory_flags |=
+ REGULATORY_STRICT_REG;
break;
case HWSIM_REGTEST_ALL:
if (i == 0) {
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+ hw->wiphy->regulatory_flags |=
+ REGULATORY_CUSTOM_REG;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_01);
} else if (i == 1) {
- hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+ hw->wiphy->regulatory_flags |=
+ REGULATORY_CUSTOM_REG;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_02);
} else if (i == 4)
- hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
+ hw->wiphy->regulatory_flags |=
+ REGULATORY_STRICT_REG;
break;
default:
break;
data->debugfs = debugfs_create_dir("hwsim",
hw->wiphy->debugfsdir);
- data->debugfs_ps = debugfs_create_file("ps", 0666,
- data->debugfs, data,
- &hwsim_fops_ps);
- data->debugfs_group = debugfs_create_file("group", 0666,
- data->debugfs, data,
- &hwsim_fops_group);
+ debugfs_create_file("ps", 0666, data->debugfs, data,
+ &hwsim_fops_ps);
+ debugfs_create_file("group", 0666, data->debugfs, data,
+ &hwsim_fops_group);
+ if (channels == 1)
+ debugfs_create_file("dfs_simulate_radar", 0222,
+ data->debugfs,
+ data, &hwsim_simulate_radar);
tasklet_hrtimer_init(&data->beacon_timer,
mac80211_hwsim_beacon,
- CLOCK_REALTIME, HRTIMER_MODE_ABS);
+ CLOCK_MONOTONIC_RAW, HRTIMER_MODE_ABS);
list_add_tail(&data->list, &hwsim_radios);
}
REG_RULE(2412-10, 2462+10, 40, 3, 20, 0),
/* Channel 12 - 13 */
REG_RULE(2467-10, 2472+10, 20, 3, 20,
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
+ NL80211_RRF_NO_IR),
/* Channel 14 */
REG_RULE(2484-10, 2484+10, 20, 3, 20,
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
+ NL80211_RRF_NO_IR |
NL80211_RRF_NO_OFDM),
/* Channel 36 - 48 */
REG_RULE(5180-10, 5240+10, 40, 3, 20,
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
+ NL80211_RRF_NO_IR),
/* Channel 149 - 165 */
REG_RULE(5745-10, 5825+10, 40, 3, 20,
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
+ NL80211_RRF_NO_IR),
/* Channel 52 - 64 */
REG_RULE(5260-10, 5320+10, 40, 3, 30,
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
+ NL80211_RRF_NO_IR |
NL80211_RRF_DFS),
/* Channel 100 - 140 */
REG_RULE(5500-10, 5700+10, 40, 3, 30,
- NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
+ NL80211_RRF_NO_IR |
NL80211_RRF_DFS),
}
};
*/
static int
mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
- struct ieee80211_channel *chan, bool offchan,
- unsigned int wait, const u8 *buf, size_t len,
- bool no_cck, bool dont_wait_for_ack, u64 *cookie)
+ struct cfg80211_mgmt_tx_params *params, u64 *cookie)
{
+ const u8 *buf = params->buf;
+ size_t len = params->len;
struct sk_buff *skb;
u16 pkt_len;
const struct ieee80211_mgmt *mgmt;
user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
user_scan_cfg->chan_list[i].radio_type = chan->band;
- if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+ if (chan->flags & IEEE80211_CHAN_NO_IR)
user_scan_cfg->chan_list[i].scan_type =
MWIFIEX_SCAN_TYPE_PASSIVE;
else
wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
WIPHY_FLAG_AP_UAPSD |
- WIPHY_FLAG_CUSTOM_REGULATORY |
- WIPHY_FLAG_STRICT_REGULATORY |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+ wiphy->regulatory_flags |=
+ REGULATORY_CUSTOM_REG |
+ REGULATORY_STRICT_REG;
wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
scan_chan_list[chan_idx].max_scan_time =
cpu_to_le16((u16) user_scan_in->
chan_list[0].scan_time);
- else if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+ else if (ch->flags & IEEE80211_CHAN_NO_IR)
scan_chan_list[chan_idx].max_scan_time =
cpu_to_le16(adapter->passive_scan_time);
else
scan_chan_list[chan_idx].max_scan_time =
cpu_to_le16(adapter->active_scan_time);
- if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+ if (ch->flags & IEEE80211_CHAN_NO_IR)
scan_chan_list[chan_idx].chan_scan_mode_bitmap
|= MWIFIEX_PASSIVE_SCAN;
else
*/
#define RTL819x_2GHZ_CH12_13 \
REG_RULE(2467-10, 2472+10, 40, 0, 20,\
- NL80211_RRF_PASSIVE_SCAN)
+ NL80211_RRF_NO_IR)
#define RTL819x_2GHZ_CH14 \
REG_RULE(2484-10, 2484+10, 40, 0, 20, \
- NL80211_RRF_PASSIVE_SCAN | \
- NL80211_RRF_NO_OFDM)
+ NL80211_RRF_NO_IR | NL80211_RRF_NO_OFDM)
/* 5G chan 36 - chan 64*/
#define RTL819x_5GHZ_5150_5350 \
REG_RULE(5150-10, 5350+10, 40, 0, 30, \
- NL80211_RRF_PASSIVE_SCAN | \
- NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
/* 5G chan 100 - chan 165*/
#define RTL819x_5GHZ_5470_5850 \
REG_RULE(5470-10, 5850+10, 40, 0, 30, \
- NL80211_RRF_PASSIVE_SCAN | \
- NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
/* 5G chan 149 - chan 165*/
#define RTL819x_5GHZ_5725_5850 \
REG_RULE(5725-10, 5850+10, 40, 0, 30, \
- NL80211_RRF_PASSIVE_SCAN | \
- NL80211_RRF_NO_IBSS)
+ NL80211_RRF_NO_IR)
#define RTL819x_5GHZ_ALL \
(RTL819x_5GHZ_5150_5350, RTL819x_5GHZ_5470_5850)
*regulatory_hint().
*/
- if (!(reg_rule->flags & NL80211_RRF_NO_IBSS))
- ch->flags &= ~IEEE80211_CHAN_NO_IBSS;
- if (!(reg_rule->
- flags & NL80211_RRF_PASSIVE_SCAN))
- ch->flags &=
- ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (!(reg_rule->flags & NL80211_RRF_NO_IR))
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
} else {
if (ch->beacon_found)
- ch->flags &= ~(IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN);
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
}
}
}
*/
if (initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) {
ch = &sband->channels[11]; /* CH 12 */
- if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
- ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (ch->flags & IEEE80211_CHAN_NO_IR)
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
ch = &sband->channels[12]; /* CH 13 */
- if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
- ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (ch->flags & IEEE80211_CHAN_NO_IR)
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
return;
}
ch = &sband->channels[11]; /* CH 12 */
reg_rule = freq_reg_info(wiphy, ch->center_freq);
if (!IS_ERR(reg_rule)) {
- if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
- if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
- ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (!(reg_rule->flags & NL80211_RRF_NO_IR))
+ if (ch->flags & IEEE80211_CHAN_NO_IR)
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
}
ch = &sband->channels[12]; /* CH 13 */
reg_rule = freq_reg_info(wiphy, ch->center_freq);
if (!IS_ERR(reg_rule)) {
- if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
- if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
- ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+ if (!(reg_rule->flags & NL80211_RRF_NO_IR))
+ if (ch->flags & IEEE80211_CHAN_NO_IR)
+ ch->flags &= ~IEEE80211_CHAN_NO_IR;
}
}
*/
if (!(ch->flags & IEEE80211_CHAN_DISABLED))
ch->flags |= IEEE80211_CHAN_RADAR |
- IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN;
+ IEEE80211_CHAN_NO_IR;
}
}
wiphy->reg_notifier = reg_notifier;
- wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
- wiphy->flags &= ~WIPHY_FLAG_STRICT_REGULATORY;
- wiphy->flags &= ~WIPHY_FLAG_DISABLE_BEACON_HINTS;
+ wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
+ wiphy->regulatory_flags &= ~REGULATORY_STRICT_REG;
+ wiphy->regulatory_flags &= ~REGULATORY_DISABLE_BEACON_HINTS;
regd = _rtl_regdomain_select(reg);
wiphy_apply_custom_regulatory(wiphy, regd);
* In active scans, we only scan channels not
* marked as passive.
*/
- (passive || !(flags & IEEE80211_CHAN_PASSIVE_SCAN))) {
+ (passive || !(flags & IEEE80211_CHAN_NO_IR))) {
wl1271_debug(DEBUG_SCAN, "band %d, center_freq %d ",
req->channels[i]->band,
req->channels[i]->center_freq);
if (channel->flags & (IEEE80211_CHAN_DISABLED |
IEEE80211_CHAN_RADAR |
- IEEE80211_CHAN_PASSIVE_SCAN))
+ IEEE80211_CHAN_NO_IR))
continue;
ch_bit_idx = wlcore_get_reg_conf_ch_idx(b, ch);
continue;
if (ch->flags & IEEE80211_CHAN_RADAR)
- ch->flags |= IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN;
+ ch->flags |= IEEE80211_CHAN_NO_IR;
}
flags = req_channels[i]->flags;
if (force_passive)
- flags |= IEEE80211_CHAN_PASSIVE_SCAN;
+ flags |= IEEE80211_CHAN_NO_IR;
if ((req_channels[i]->band == band) &&
!(flags & IEEE80211_CHAN_DISABLED) &&
(!!(flags & IEEE80211_CHAN_RADAR) == radar) &&
/* if radar is set, we ignore the passive flag */
(radar ||
- !!(flags & IEEE80211_CHAN_PASSIVE_SCAN) == passive)) {
-
-
+ !!(flags & IEEE80211_CHAN_NO_IR) == passive)) {
if (flags & IEEE80211_CHAN_RADAR) {
channels[j].flags |= SCAN_CHANNEL_FLAGS_DFS;
(band == IEEE80211_BAND_2GHZ) &&
(channels[j].channel >= 12) &&
(channels[j].channel <= 14) &&
- (flags & IEEE80211_CHAN_PASSIVE_SCAN) &&
+ (flags & IEEE80211_CHAN_NO_IR) &&
!force_passive) {
/* pactive channels treated as DFS */
channels[j].flags = SCAN_CHANNEL_FLAGS_DFS;
max_dwell_time_active,
flags & IEEE80211_CHAN_RADAR ?
", DFS" : "",
- flags & IEEE80211_CHAN_PASSIVE_SCAN ?
- ", PASSIVE" : "");
+ flags & IEEE80211_CHAN_NO_IR ?
+ ", NO-IR" : "");
j++;
}
}
#define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
-#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MAX 0x0000e000
-#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX 0x00070000
+#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
+#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
+ (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
+#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
+#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
+ (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
#define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
* Channel flags set by the regulatory control code.
*
* @IEEE80211_CHAN_DISABLED: This channel is disabled.
- * @IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
- * on this channel.
- * @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
+ * @IEEE80211_CHAN_NO_IR: do not initiate radiation, this includes
+ * sending probe requests or beaconing.
* @IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
* @IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
* is not permitted.
*/
enum ieee80211_channel_flags {
IEEE80211_CHAN_DISABLED = 1<<0,
- IEEE80211_CHAN_PASSIVE_SCAN = 1<<1,
- IEEE80211_CHAN_NO_IBSS = 1<<2,
+ IEEE80211_CHAN_NO_IR = 1<<1,
+ /* hole at 1<<2 */
IEEE80211_CHAN_RADAR = 1<<3,
IEEE80211_CHAN_NO_HT40PLUS = 1<<4,
IEEE80211_CHAN_NO_HT40MINUS = 1<<5,
size_t ie_len;
};
+/**
+ * struct cfg80211_mgmt_tx_params - mgmt tx parameters
+ *
+ * This structure provides information needed to transmit a mgmt frame
+ *
+ * @chan: channel to use
+ * @offchan: indicates wether off channel operation is required
+ * @wait: duration for ROC
+ * @buf: buffer to transmit
+ * @len: buffer length
+ * @no_cck: don't use cck rates for this frame
+ * @dont_wait_for_ack: tells the low level not to wait for an ack
+ */
+struct cfg80211_mgmt_tx_params {
+ struct ieee80211_channel *chan;
+ bool offchan;
+ unsigned int wait;
+ const u8 *buf;
+ size_t len;
+ bool no_cck;
+ bool dont_wait_for_ack;
+};
+
/**
* struct cfg80211_ops - backend description for wireless configuration
*
u64 cookie);
int (*mgmt_tx)(struct wiphy *wiphy, struct wireless_dev *wdev,
- struct ieee80211_channel *chan, bool offchan,
- unsigned int wait, const u8 *buf, size_t len,
- bool no_cck, bool dont_wait_for_ack, u64 *cookie);
+ struct cfg80211_mgmt_tx_params *params,
+ u64 *cookie);
int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy,
struct wireless_dev *wdev,
u64 cookie);
/**
* enum wiphy_flags - wiphy capability flags
*
- * @WIPHY_FLAG_CUSTOM_REGULATORY: tells us the driver for this device
- * has its own custom regulatory domain and cannot identify the
- * ISO / IEC 3166 alpha2 it belongs to. When this is enabled
- * we will disregard the first regulatory hint (when the
- * initiator is %REGDOM_SET_BY_CORE).
- * @WIPHY_FLAG_STRICT_REGULATORY: tells us the driver for this device will
- * ignore regulatory domain settings until it gets its own regulatory
- * domain via its regulatory_hint() unless the regulatory hint is
- * from a country IE. After its gets its own regulatory domain it will
- * only allow further regulatory domain settings to further enhance
- * compliance. For example if channel 13 and 14 are disabled by this
- * regulatory domain no user regulatory domain can enable these channels
- * at a later time. This can be used for devices which do not have
- * calibration information guaranteed for frequencies or settings
- * outside of its regulatory domain. If used in combination with
- * WIPHY_FLAG_CUSTOM_REGULATORY the inspected country IE power settings
- * will be followed.
- * @WIPHY_FLAG_DISABLE_BEACON_HINTS: enable this if your driver needs to ensure
- * that passive scan flags and beaconing flags may not be lifted by
- * cfg80211 due to regulatory beacon hints. For more information on beacon
- * hints read the documenation for regulatory_hint_found_beacon()
* @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this
* wiphy at all
* @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled
* beaconing mode (AP, IBSS, Mesh, ...).
*/
enum wiphy_flags {
- WIPHY_FLAG_CUSTOM_REGULATORY = BIT(0),
- WIPHY_FLAG_STRICT_REGULATORY = BIT(1),
- WIPHY_FLAG_DISABLE_BEACON_HINTS = BIT(2),
+ /* use hole at 0 */
+ /* use hole at 1 */
+ /* use hole at 2 */
WIPHY_FLAG_NETNS_OK = BIT(3),
WIPHY_FLAG_PS_ON_BY_DEFAULT = BIT(4),
WIPHY_FLAG_4ADDR_AP = BIT(5),
* @software_iftypes: bitmask of software interface types, these are not
* subject to any restrictions since they are purely managed in SW.
* @flags: wiphy flags, see &enum wiphy_flags
+ * @regulatory_flags: wiphy regulatory flags, see
+ * &enum ieee80211_regulatory_flags
* @features: features advertised to nl80211, see &enum nl80211_feature_flags.
* @bss_priv_size: each BSS struct has private data allocated with it,
* this variable determines its size
u16 max_acl_mac_addrs;
- u32 flags, features;
+ u32 flags, regulatory_flags, features;
u32 ap_sme_capa;
* custom regulatory domain will be trusted completely and as such previous
* default channel settings will be disregarded. If no rule is found for a
* channel on the regulatory domain the channel will be disabled.
+ * Drivers using this for a wiphy should also set the wiphy flag
+ * WIPHY_FLAG_CUSTOM_REGULATORY or cfg80211 will set it for the wiphy
+ * that called this helper.
*/
void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
const struct ieee80211_regdomain *regd);
/**
* cfg80211_cac_event - Channel availability check (CAC) event
* @netdev: network device
+ * @chandef: chandef for the current channel
* @event: type of event
* @gfp: context flags
*
* also by full-MAC drivers.
*/
void cfg80211_cac_event(struct net_device *netdev,
+ const struct cfg80211_chan_def *chandef,
enum nl80211_radar_event event, gfp_t gfp);
* @dev: the device which switched channels
* @chandef: the new channel definition
*
- * Acquires wdev_lock, so must only be called from sleepable driver context!
+ * Caller must acquire wdev_lock, therefore must only be called from sleepable
+ * driver context!
*/
void cfg80211_ch_switch_notify(struct net_device *dev,
struct cfg80211_chan_def *chandef);
* @IEEE80211_CHANCTX_CHANGE_RADAR: radar detection flag changed
* @IEEE80211_CHANCTX_CHANGE_CHANNEL: switched to another operating channel,
* this is used only with channel switching with CSA
+ * @IEEE80211_CHANCTX_CHANGE_MIN_WIDTH: The min required channel width changed
*/
enum ieee80211_chanctx_change {
IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(0),
IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(1),
IEEE80211_CHANCTX_CHANGE_RADAR = BIT(2),
IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(3),
+ IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(4),
};
/**
* that contains it is visible in mac80211 only.
*
* @def: the channel definition
+ * @min_def: the minimum channel definition currently required.
* @rx_chains_static: The number of RX chains that must always be
* active on the channel to receive MIMO transmissions
* @rx_chains_dynamic: The number of RX chains that must be enabled
*/
struct ieee80211_chanctx_conf {
struct cfg80211_chan_def def;
+ struct cfg80211_chan_def min_def;
u8 rx_chains_static, rx_chains_dynamic;
u8 key[0];
};
+/**
+ * struct ieee80211_cipher_scheme - cipher scheme
+ *
+ * This structure contains a cipher scheme information defining
+ * the secure packet crypto handling.
+ *
+ * @cipher: a cipher suite selector
+ * @iftype: a cipher iftype bit mask indicating an allowed cipher usage
+ * @hdr_len: a length of a security header used the cipher
+ * @pn_len: a length of a packet number in the security header
+ * @pn_off: an offset of pn from the beginning of the security header
+ * @key_idx_off: an offset of key index byte in the security header
+ * @key_idx_mask: a bit mask of key_idx bits
+ * @key_idx_shift: a bit shift needed to get key_idx
+ * key_idx value calculation:
+ * (sec_header_base[key_idx_off] & key_idx_mask) >> key_idx_shift
+ * @mic_len: a mic length in bytes
+ */
+struct ieee80211_cipher_scheme {
+ u32 cipher;
+ u16 iftype;
+ u8 hdr_len;
+ u8 pn_len;
+ u8 pn_off;
+ u8 key_idx_off;
+ u8 key_idx_mask;
+ u8 key_idx_shift;
+ u8 mic_len;
+};
+
/**
* enum set_key_cmd - key command
*
* @uapsd_max_sp_len: maximum number of total buffered frames the WMM AP may
* deliver to a WMM STA during any Service Period triggered by the WMM STA.
* Use IEEE80211_WMM_IE_STA_QOSINFO_SP_* for correct values.
+ *
+ * @n_cipher_schemes: a size of an array of cipher schemes definitions.
+ * @cipher_schemes: a pointer to an array of cipher scheme definitions
+ * supported by HW.
*/
struct ieee80211_hw {
struct ieee80211_conf conf;
netdev_features_t netdev_features;
u8 uapsd_queues;
u8 uapsd_max_sp_len;
+ u8 n_cipher_schemes;
+ const struct ieee80211_cipher_scheme *cipher_schemes;
};
/**
*
* @rcu_head: RCU head struct used to free the request
* @wiphy_idx: this is set if this request's initiator is
- * %REGDOM_SET_BY_COUNTRY_IE or %REGDOM_SET_BY_DRIVER. This
- * can be used by the wireless core to deal with conflicts
- * and potentially inform users of which devices specifically
- * cased the conflicts.
+ * %REGDOM_SET_BY_COUNTRY_IE or %REGDOM_SET_BY_DRIVER. This
+ * can be used by the wireless core to deal with conflicts
+ * and potentially inform users of which devices specifically
+ * cased the conflicts.
* @initiator: indicates who sent this request, could be any of
- * of those set in nl80211_reg_initiator (%NL80211_REGDOM_SET_BY_*)
+ * of those set in nl80211_reg_initiator (%NL80211_REGDOM_SET_BY_*)
* @alpha2: the ISO / IEC 3166 alpha2 country code of the requested
- * regulatory domain. We have a few special codes:
- * 00 - World regulatory domain
- * 99 - built by driver but a specific alpha2 cannot be determined
- * 98 - result of an intersection between two regulatory domains
+ * regulatory domain. We have a few special codes:
+ * 00 - World regulatory domain
+ * 99 - built by driver but a specific alpha2 cannot be determined
+ * 98 - result of an intersection between two regulatory domains
* 97 - regulatory domain has not yet been configured
* @dfs_region: If CRDA responded with a regulatory domain that requires
* DFS master operation on a known DFS region (NL80211_DFS_*),
* of hint passed. This could be any of the %NL80211_USER_REG_HINT_*
* types.
* @intersect: indicates whether the wireless core should intersect
- * the requested regulatory domain with the presently set regulatory
- * domain.
+ * the requested regulatory domain with the presently set regulatory
+ * domain.
* @processed: indicates whether or not this requests has already been
* processed. When the last request is processed it means that the
* currently regulatory domain set on cfg80211 is updated from
* the last request is not yet processed we must yield until it
* is processed before processing any new requests.
* @country_ie_checksum: checksum of the last processed and accepted
- * country IE
+ * country IE
* @country_ie_env: lets us know if the AP is telling us we are outdoor,
- * indoor, or if it doesn't matter
+ * indoor, or if it doesn't matter
* @list: used to insert into the reg_requests_list linked list
*/
struct regulatory_request {
enum nl80211_reg_initiator initiator;
enum nl80211_user_reg_hint_type user_reg_hint_type;
char alpha2[2];
- u8 dfs_region;
+ enum nl80211_dfs_regions dfs_region;
bool intersect;
bool processed;
enum environment_cap country_ie_env;
struct list_head list;
};
+/**
+ * enum ieee80211_regulatory_flags - device regulatory flags
+ *
+ * @REGULATORY_CUSTOM_REG: tells us the driver for this device
+ * has its own custom regulatory domain and cannot identify the
+ * ISO / IEC 3166 alpha2 it belongs to. When this is enabled
+ * we will disregard the first regulatory hint (when the
+ * initiator is %REGDOM_SET_BY_CORE). Drivers that use
+ * wiphy_apply_custom_regulatory() should have this flag set
+ * or the regulatory core will set it for the wiphy.
+ * @REGULATORY_STRICT_REG: tells us that the wiphy for this device
+ * has regulatory domain that it wishes to be considered as the
+ * superset for regulatory rules. After this device gets its regulatory
+ * domain programmed further regulatory hints shall only be considered
+ * for this device to enhance regulatory compliance, forcing the
+ * device to only possibly use subsets of the original regulatory
+ * rules. For example if channel 13 and 14 are disabled by this
+ * device's regulatory domain no user specified regulatory hint which
+ * has these channels enabled would enable them for this wiphy,
+ * the device's original regulatory domain will be trusted as the
+ * base. You can program the superset of regulatory rules for this
+ * wiphy with regulatory_hint() for cards programmed with an
+ * ISO3166-alpha2 country code. wiphys that use regulatory_hint()
+ * will have their wiphy->regd programmed once the regulatory
+ * domain is set, and all other regulatory hints will be ignored
+ * until their own regulatory domain gets programmed.
+ * @REGULATORY_DISABLE_BEACON_HINTS: enable this if your driver needs to
+ * ensure that passive scan flags and beaconing flags may not be lifted by
+ * cfg80211 due to regulatory beacon hints. For more information on beacon
+ * hints read the documenation for regulatory_hint_found_beacon()
+ * @REGULATORY_COUNTRY_IE_FOLLOW_POWER: for devices that have a preference
+ * that even though they may have programmed their own custom power
+ * setting prior to wiphy registration, they want to ensure their channel
+ * power settings are updated for this connection with the power settings
+ * derived from the regulatory domain. The regulatory domain used will be
+ * based on the ISO3166-alpha2 from country IE provided through
+ * regulatory_hint_country_ie()
+ * @REGULATORY_COUNTRY_IE_IGNORE: for devices that have a preference to ignore
+ * all country IE information processed by the regulatory core. This will
+ * override %REGULATORY_COUNTRY_IE_FOLLOW_POWER as all country IEs will
+ * be ignored.
+ */
+enum ieee80211_regulatory_flags {
+ REGULATORY_CUSTOM_REG = BIT(0),
+ REGULATORY_STRICT_REG = BIT(1),
+ REGULATORY_DISABLE_BEACON_HINTS = BIT(2),
+ REGULATORY_COUNTRY_IE_FOLLOW_POWER = BIT(3),
+ REGULATORY_COUNTRY_IE_IGNORE = BIT(4),
+};
+
struct ieee80211_freq_range {
u32 start_freq_khz;
u32 end_freq_khz;
struct rcu_head rcu_head;
u32 n_reg_rules;
char alpha2[2];
- u8 dfs_region;
+ enum nl80211_dfs_regions dfs_region;
struct ieee80211_reg_rule reg_rules[];
};
* operation, %NL80211_ATTR_MAC contains the peer MAC address, and
* %NL80211_ATTR_REASON_CODE the reason code to be used (only with
* %NL80211_TDLS_TEARDOWN).
- * @NL80211_CMD_TDLS_MGMT: Send a TDLS management frame.
+ * @NL80211_CMD_TDLS_MGMT: Send a TDLS management frame. The
+ * %NL80211_ATTR_TDLS_ACTION attribute determines the type of frame to be
+ * sent. Public Action codes (802.11-2012 8.1.5.1) will be sent as
+ * 802.11 management frames, while TDLS action codes (802.11-2012
+ * 8.5.13.1) will be encapsulated and sent as data frames. The currently
+ * supported Public Action code is %WLAN_PUB_ACTION_TDLS_DISCOVER_RES
+ * and the currently supported TDLS actions codes are given in
+ * &enum ieee80211_tdls_actioncode.
*
* @NL80211_CMD_UNEXPECTED_FRAME: Used by an application controlling an AP
* (or GO) interface (i.e. hostapd) to ask for unexpected frames to
* to react to radar events, e.g. initiate a channel switch or leave the
* IBSS network.
*
+ * @NL80211_ATTR_SUPPORT_5_MHZ: A flag indicating that the device supports
+ * 5 MHz channel bandwidth.
+ * @NL80211_ATTR_SUPPORT_10_MHZ: A flag indicating that the device supports
+ * 10 MHz channel bandwidth.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
NL80211_ATTR_HANDLE_DFS,
+ NL80211_ATTR_SUPPORT_5_MHZ,
+ NL80211_ATTR_SUPPORT_10_MHZ,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
* @NL80211_FREQUENCY_ATTR_FREQ: Frequency in MHz
* @NL80211_FREQUENCY_ATTR_DISABLED: Channel is disabled in current
* regulatory domain.
- * @NL80211_FREQUENCY_ATTR_PASSIVE_SCAN: Only passive scanning is
- * permitted on this channel in current regulatory domain.
- * @NL80211_FREQUENCY_ATTR_NO_IBSS: IBSS networks are not permitted
- * on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_NO_IR: no mechanisms that initiate radiation
+ * are permitted on this channel, this includes sending probe
+ * requests, or modes of operation that require beaconing.
* @NL80211_FREQUENCY_ATTR_RADAR: Radar detection is mandatory
* on this channel in current regulatory domain.
* @NL80211_FREQUENCY_ATTR_MAX_TX_POWER: Maximum transmission power in mBm
__NL80211_FREQUENCY_ATTR_INVALID,
NL80211_FREQUENCY_ATTR_FREQ,
NL80211_FREQUENCY_ATTR_DISABLED,
- NL80211_FREQUENCY_ATTR_PASSIVE_SCAN,
- NL80211_FREQUENCY_ATTR_NO_IBSS,
+ NL80211_FREQUENCY_ATTR_NO_IR,
+ __NL80211_FREQUENCY_ATTR_NO_IBSS,
NL80211_FREQUENCY_ATTR_RADAR,
NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
NL80211_FREQUENCY_ATTR_DFS_STATE,
};
#define NL80211_FREQUENCY_ATTR_MAX_TX_POWER NL80211_FREQUENCY_ATTR_MAX_TX_POWER
+#define NL80211_FREQUENCY_ATTR_PASSIVE_SCAN NL80211_FREQUENCY_ATTR_NO_IR
+#define NL80211_FREQUENCY_ATTR_NO_IBSS NL80211_FREQUENCY_ATTR_NO_IR
+#define NL80211_FREQUENCY_ATTR_NO_IR NL80211_FREQUENCY_ATTR_NO_IR
/**
* enum nl80211_bitrate_attr - bitrate attributes
* @NL80211_RRF_DFS: DFS support is required to be used
* @NL80211_RRF_PTP_ONLY: this is only for Point To Point links
* @NL80211_RRF_PTMP_ONLY: this is only for Point To Multi Point links
- * @NL80211_RRF_PASSIVE_SCAN: passive scan is required
- * @NL80211_RRF_NO_IBSS: no IBSS is allowed
+ * @NL80211_RRF_NO_IR: no mechanisms that initiate radiation are allowed,
+ * this includes probe requests or modes of operation that require
+ * beaconing.
*/
enum nl80211_reg_rule_flags {
NL80211_RRF_NO_OFDM = 1<<0,
NL80211_RRF_DFS = 1<<4,
NL80211_RRF_PTP_ONLY = 1<<5,
NL80211_RRF_PTMP_ONLY = 1<<6,
- NL80211_RRF_PASSIVE_SCAN = 1<<7,
- NL80211_RRF_NO_IBSS = 1<<8,
+ NL80211_RRF_NO_IR = 1<<7,
+ __NL80211_RRF_NO_IBSS = 1<<8,
};
+#define NL80211_RRF_PASSIVE_SCAN NL80211_RRF_NO_IR
+#define NL80211_RRF_NO_IBSS NL80211_RRF_NO_IR
+#define NL80211_RRF_NO_IR NL80211_RRF_NO_IR
+
+/* For backport compatibility with older userspace */
+#define NL80211_RRF_NO_IR_ALL (NL80211_RRF_NO_IR | __NL80211_RRF_NO_IBSS)
+
/**
* enum nl80211_dfs_regions - regulatory DFS regions
*
struct key_params *params)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
struct sta_info *sta = NULL;
+ const struct ieee80211_cipher_scheme *cs = NULL;
struct ieee80211_key *key;
int err;
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_TKIP:
case WLAN_CIPHER_SUITE_WEP104:
- if (IS_ERR(sdata->local->wep_tx_tfm))
+ if (IS_ERR(local->wep_tx_tfm))
return -EINVAL;
break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ case WLAN_CIPHER_SUITE_GCMP:
+ break;
default:
+ cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
break;
}
key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
- params->key, params->seq_len, params->seq);
+ params->key, params->seq_len, params->seq,
+ cs);
if (IS_ERR(key))
return PTR_ERR(key);
if (pairwise)
key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
- mutex_lock(&sdata->local->sta_mtx);
+ mutex_lock(&local->sta_mtx);
if (mac_addr) {
if (ieee80211_vif_is_mesh(&sdata->vif))
break;
}
+ if (sta)
+ sta->cipher_scheme = cs;
+
err = ieee80211_key_link(key, sdata, sta);
out_unlock:
- mutex_unlock(&sdata->local->sta_mtx);
+ mutex_unlock(&local->sta_mtx);
return err;
}
goto out_unlock;
if (pairwise)
- key = key_mtx_dereference(local, sta->ptk);
+ key = key_mtx_dereference(local, sta->ptk[key_idx]);
else
key = key_mtx_dereference(local, sta->gtk[key_idx]);
} else
goto out;
if (pairwise)
- key = rcu_dereference(sta->ptk);
+ key = rcu_dereference(sta->ptk[key_idx]);
else if (key_idx < NUM_DEFAULT_KEYS)
key = rcu_dereference(sta->gtk[key_idx]);
} else
STATION_INFO_PEER_PM |
STATION_INFO_NONPEER_PM;
- sinfo->llid = le16_to_cpu(sta->llid);
- sinfo->plid = le16_to_cpu(sta->plid);
+ sinfo->llid = sta->llid;
+ sinfo->plid = sta->plid;
sinfo->plink_state = sta->plink_state;
if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
sinfo->filled |= STATION_INFO_T_OFFSET;
if (!resp || !resp_len)
return 1;
- old = rtnl_dereference(sdata->u.ap.probe_resp);
+ old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
if (!new)
int size, err;
u32 changed = BSS_CHANGED_BEACON;
- old = rtnl_dereference(sdata->u.ap.beacon);
+ old = sdata_dereference(sdata->u.ap.beacon, sdata);
+
/* Need to have a beacon head if we don't have one yet */
if (!params->head && !old)
BSS_CHANGED_P2P_PS;
int err;
- old = rtnl_dereference(sdata->u.ap.beacon);
+ old = sdata_dereference(sdata->u.ap.beacon, sdata);
if (old)
return -EALREADY;
*/
sdata->control_port_protocol = params->crypto.control_port_ethertype;
sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
+ sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
+ ¶ms->crypto,
+ sdata->vif.type);
+
list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
vlan->control_port_protocol =
params->crypto.control_port_ethertype;
vlan->control_port_no_encrypt =
params->crypto.control_port_no_encrypt;
+ vlan->encrypt_headroom =
+ ieee80211_cs_headroom(sdata->local,
+ ¶ms->crypto,
+ vlan->vif.type);
}
sdata->vif.bss_conf.beacon_int = params->beacon_interval;
err = drv_start_ap(sdata->local, sdata);
if (err) {
- old = rtnl_dereference(sdata->u.ap.beacon);
+ old = sdata_dereference(sdata->u.ap.beacon, sdata);
+
if (old)
kfree_rcu(old, rcu_head);
RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
if (sdata->vif.csa_active)
return -EBUSY;
- old = rtnl_dereference(sdata->u.ap.beacon);
+ old = sdata_dereference(sdata->u.ap.beacon, sdata);
if (!old)
return -ENOENT;
struct ieee80211_local *local = sdata->local;
struct beacon_data *old_beacon;
struct probe_resp *old_probe_resp;
+ struct cfg80211_chan_def chandef;
- old_beacon = rtnl_dereference(sdata->u.ap.beacon);
+ old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
if (!old_beacon)
return -ENOENT;
- old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
+ old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
/* abort any running channel switch */
sdata->vif.csa_active = false;
- cancel_work_sync(&sdata->csa_finalize_work);
+ kfree(sdata->u.ap.next_beacon);
+ sdata->u.ap.next_beacon = NULL;
+
cancel_work_sync(&sdata->u.ap.request_smps_work);
/* turn off carrier for this interface and dependent VLANs */
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
if (sdata->wdev.cac_started) {
+ chandef = sdata->vif.bss_conf.chandef;
cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
- cfg80211_cac_event(sdata->dev, NL80211_RADAR_CAC_ABORTED,
+ cfg80211_cac_event(sdata->dev, &chandef,
+ NL80211_RADAR_CAC_ABORTED,
GFP_KERNEL);
}
enum ieee80211_band band;
u32 changed = 0;
- if (!rtnl_dereference(sdata->u.ap.beacon))
+ if (!sdata_dereference(sdata->u.ap.beacon, sdata))
return -ENOENT;
band = ieee80211_get_sdata_band(sdata);
struct ieee80211_local *local = sdata->local;
int err, changed = 0;
+ sdata_lock(sdata);
+ /* AP might have been stopped while waiting for the lock. */
+ if (!sdata->vif.csa_active)
+ goto unlock;
+
if (!ieee80211_sdata_running(sdata))
- return;
+ goto unlock;
sdata->radar_required = sdata->csa_radar_required;
- err = ieee80211_vif_change_channel(sdata, &local->csa_chandef,
- &changed);
+ err = ieee80211_vif_change_channel(sdata, &changed);
if (WARN_ON(err < 0))
- return;
+ goto unlock;
if (!local->use_chanctx) {
- local->_oper_chandef = local->csa_chandef;
+ local->_oper_chandef = sdata->csa_chandef;
ieee80211_hw_config(local, 0);
}
ieee80211_bss_info_change_notify(sdata, changed);
+ sdata->vif.csa_active = false;
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP:
err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
if (err < 0)
- return;
+ goto unlock;
+
changed |= err;
kfree(sdata->u.ap.next_beacon);
sdata->u.ap.next_beacon = NULL;
case NL80211_IFTYPE_MESH_POINT:
err = ieee80211_mesh_finish_csa(sdata);
if (err < 0)
- return;
+ goto unlock;
break;
#endif
default:
WARN_ON(1);
- return;
+ goto unlock;
}
- sdata->vif.csa_active = false;
ieee80211_wake_queues_by_reason(&sdata->local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
- cfg80211_ch_switch_notify(sdata->dev, &local->csa_chandef);
+ cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
+
+unlock:
+ sdata_unlock(sdata);
}
static int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_if_mesh __maybe_unused *ifmsh;
int err, num_chanctx;
+ lockdep_assert_held(&sdata->wdev.mtx);
+
if (!list_empty(&local->roc_list) || local->scanning)
return -EBUSY;
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
- local->csa_chandef = params->chandef;
+ sdata->csa_chandef = params->chandef;
sdata->vif.csa_active = true;
ieee80211_bss_info_change_notify(sdata, err);
}
static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
- struct ieee80211_channel *chan, bool offchan,
- unsigned int wait, const u8 *buf, size_t len,
- bool no_cck, bool dont_wait_for_ack, u64 *cookie)
+ struct cfg80211_mgmt_tx_params *params,
+ u64 *cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct sta_info *sta;
- const struct ieee80211_mgmt *mgmt = (void *)buf;
+ const struct ieee80211_mgmt *mgmt = (void *)params->buf;
bool need_offchan = false;
u32 flags;
int ret;
- if (dont_wait_for_ack)
+ if (params->dont_wait_for_ack)
flags = IEEE80211_TX_CTL_NO_ACK;
else
flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
IEEE80211_TX_CTL_REQ_TX_STATUS;
- if (no_cck)
+ if (params->no_cck)
flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
switch (sdata->vif.type) {
/* configurations requiring offchan cannot work if no channel has been
* specified
*/
- if (need_offchan && !chan)
+ if (need_offchan && !params->chan)
return -EINVAL;
mutex_lock(&local->mtx);
chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
if (chanctx_conf) {
- need_offchan = chan && (chan != chanctx_conf->def.chan);
- } else if (!chan) {
+ need_offchan = params->chan &&
+ (params->chan !=
+ chanctx_conf->def.chan);
+ } else if (!params->chan) {
ret = -EINVAL;
rcu_read_unlock();
goto out_unlock;
rcu_read_unlock();
}
- if (need_offchan && !offchan) {
+ if (need_offchan && !params->offchan) {
ret = -EBUSY;
goto out_unlock;
}
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
if (!skb) {
ret = -ENOMEM;
goto out_unlock;
}
skb_reserve(skb, local->hw.extra_tx_headroom);
- memcpy(skb_put(skb, len), buf, len);
+ memcpy(skb_put(skb, params->len), params->buf, params->len);
IEEE80211_SKB_CB(skb)->flags = flags;
local->hw.offchannel_tx_hw_queue;
/* This will handle all kinds of coalescing and immediate TX */
- ret = ieee80211_start_roc_work(local, sdata, chan,
- wait, cookie, skb,
+ ret = ieee80211_start_roc_work(local, sdata, params->chan,
+ params->wait, cookie, skb,
IEEE80211_ROC_TYPE_MGMT_TX);
if (ret)
kfree_skb(skb);
#include "ieee80211_i.h"
#include "driver-ops.h"
+static enum nl80211_chan_width ieee80211_get_sta_bw(struct ieee80211_sta *sta)
+{
+ switch (sta->bandwidth) {
+ case IEEE80211_STA_RX_BW_20:
+ if (sta->ht_cap.ht_supported)
+ return NL80211_CHAN_WIDTH_20;
+ else
+ return NL80211_CHAN_WIDTH_20_NOHT;
+ case IEEE80211_STA_RX_BW_40:
+ return NL80211_CHAN_WIDTH_40;
+ case IEEE80211_STA_RX_BW_80:
+ return NL80211_CHAN_WIDTH_80;
+ case IEEE80211_STA_RX_BW_160:
+ /*
+ * This applied for both 160 and 80+80. since we use
+ * the returned value to consider degradation of
+ * ctx->conf.min_def, we have to make sure to take
+ * the bigger one (NL80211_CHAN_WIDTH_160).
+ * Otherwise we might try degrading even when not
+ * needed, as the max required sta_bw returned (80+80)
+ * might be smaller than the configured bw (160).
+ */
+ return NL80211_CHAN_WIDTH_160;
+ default:
+ WARN_ON(1);
+ return NL80211_CHAN_WIDTH_20;
+ }
+}
+
+static enum nl80211_chan_width
+ieee80211_get_max_required_bw(struct ieee80211_sub_if_data *sdata)
+{
+ enum nl80211_chan_width max_bw = NL80211_CHAN_WIDTH_20_NOHT;
+ struct sta_info *sta;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
+ if (sdata != sta->sdata &&
+ !(sta->sdata->bss && sta->sdata->bss == sdata->bss))
+ continue;
+
+ if (!sta->uploaded)
+ continue;
+
+ max_bw = max(max_bw, ieee80211_get_sta_bw(&sta->sta));
+ }
+ rcu_read_unlock();
+
+ return max_bw;
+}
+
+static enum nl80211_chan_width
+ieee80211_get_chanctx_max_required_bw(struct ieee80211_local *local,
+ struct ieee80211_chanctx_conf *conf)
+{
+ struct ieee80211_sub_if_data *sdata;
+ enum nl80211_chan_width max_bw = NL80211_CHAN_WIDTH_20_NOHT;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ struct ieee80211_vif *vif = &sdata->vif;
+ enum nl80211_chan_width width = NL80211_CHAN_WIDTH_20_NOHT;
+
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+
+ if (rcu_access_pointer(sdata->vif.chanctx_conf) != conf)
+ continue;
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ width = ieee80211_get_max_required_bw(sdata);
+ break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ continue;
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_WDS:
+ case NL80211_IFTYPE_MESH_POINT:
+ width = vif->bss_conf.chandef.width;
+ break;
+ case NL80211_IFTYPE_UNSPECIFIED:
+ case NUM_NL80211_IFTYPES:
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_P2P_GO:
+ WARN_ON_ONCE(1);
+ }
+ max_bw = max(max_bw, width);
+ }
+ rcu_read_unlock();
+
+ return max_bw;
+}
+
+/*
+ * recalc the min required chan width of the channel context, which is
+ * the max of min required widths of all the interfaces bound to this
+ * channel context.
+ */
+void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
+ struct ieee80211_chanctx *ctx)
+{
+ enum nl80211_chan_width max_bw;
+ struct cfg80211_chan_def min_def;
+
+ lockdep_assert_held(&local->chanctx_mtx);
+
+ /* don't optimize 5MHz, 10MHz, and radar_enabled confs */
+ if (ctx->conf.def.width == NL80211_CHAN_WIDTH_5 ||
+ ctx->conf.def.width == NL80211_CHAN_WIDTH_10 ||
+ ctx->conf.radar_enabled) {
+ ctx->conf.min_def = ctx->conf.def;
+ return;
+ }
+
+ max_bw = ieee80211_get_chanctx_max_required_bw(local, &ctx->conf);
+
+ /* downgrade chandef up to max_bw */
+ min_def = ctx->conf.def;
+ while (min_def.width > max_bw)
+ ieee80211_chandef_downgrade(&min_def);
+
+ if (cfg80211_chandef_identical(&ctx->conf.min_def, &min_def))
+ return;
+
+ ctx->conf.min_def = min_def;
+ if (!ctx->driver_present)
+ return;
+
+ drv_change_chanctx(local, ctx, IEEE80211_CHANCTX_CHANGE_MIN_WIDTH);
+}
+
static void ieee80211_change_chanctx(struct ieee80211_local *local,
struct ieee80211_chanctx *ctx,
const struct cfg80211_chan_def *chandef)
ctx->conf.def = *chandef;
drv_change_chanctx(local, ctx, IEEE80211_CHANCTX_CHANGE_WIDTH);
+ ieee80211_recalc_chanctx_min_def(local, ctx);
if (!local->use_chanctx) {
local->_oper_chandef = *chandef;
ctx->conf.rx_chains_dynamic = 1;
ctx->mode = mode;
ctx->conf.radar_enabled = ieee80211_is_radar_required(local);
+ ieee80211_recalc_chanctx_min_def(local, ctx);
if (!local->use_chanctx)
local->hw.conf.radar_enabled = ctx->conf.radar_enabled;
ctx->refcount++;
ieee80211_recalc_txpower(sdata);
+ ieee80211_recalc_chanctx_min_def(local, ctx);
sdata->vif.bss_conf.idle = false;
if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
ieee80211_recalc_chanctx_chantype(sdata->local, ctx);
ieee80211_recalc_smps_chanctx(local, ctx);
ieee80211_recalc_radar_chanctx(local, ctx);
+ ieee80211_recalc_chanctx_min_def(local, ctx);
}
}
}
int ieee80211_vif_change_channel(struct ieee80211_sub_if_data *sdata,
- const struct cfg80211_chan_def *chandef,
u32 *changed)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_chanctx_conf *conf;
struct ieee80211_chanctx *ctx;
+ const struct cfg80211_chan_def *chandef = &sdata->csa_chandef;
int ret;
u32 chanctx_changed = 0;
ieee80211_recalc_chanctx_chantype(local, ctx);
ieee80211_recalc_smps_chanctx(local, ctx);
ieee80211_recalc_radar_chanctx(local, ctx);
+ ieee80211_recalc_chanctx_min_def(local, ctx);
ret = 0;
out:
#define DEBUGFS_FORMAT_BUFFER_SIZE 100
+#define TX_LATENCY_BIN_DELIMTER_C ','
+#define TX_LATENCY_BIN_DELIMTER_S ","
+#define TX_LATENCY_BINS_DISABLED "enable(bins disabled)\n"
+#define TX_LATENCY_DISABLED "disable\n"
+
+
+/*
+ * Display if Tx latency statistics & bins are enabled/disabled
+ */
+static ssize_t sta_tx_latency_stat_read(struct file *file,
+ char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ struct ieee80211_tx_latency_bin_ranges *tx_latency;
+ char *buf;
+ int bufsz, i, ret;
+ int pos = 0;
+
+ rcu_read_lock();
+
+ tx_latency = rcu_dereference(local->tx_latency);
+
+ if (tx_latency && tx_latency->n_ranges) {
+ bufsz = tx_latency->n_ranges * 15;
+ buf = kzalloc(bufsz, GFP_ATOMIC);
+ if (!buf)
+ goto err;
+
+ for (i = 0; i < tx_latency->n_ranges; i++)
+ pos += scnprintf(buf + pos, bufsz - pos, "%d,",
+ tx_latency->ranges[i]);
+ pos += scnprintf(buf + pos, bufsz - pos, "\n");
+ } else if (tx_latency) {
+ bufsz = sizeof(TX_LATENCY_BINS_DISABLED) + 1;
+ buf = kzalloc(bufsz, GFP_ATOMIC);
+ if (!buf)
+ goto err;
+
+ pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
+ TX_LATENCY_BINS_DISABLED);
+ } else {
+ bufsz = sizeof(TX_LATENCY_DISABLED) + 1;
+ buf = kzalloc(bufsz, GFP_ATOMIC);
+ if (!buf)
+ goto err;
+
+ pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
+ TX_LATENCY_DISABLED);
+ }
+
+ rcu_read_unlock();
+
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ kfree(buf);
+
+ return ret;
+err:
+ rcu_read_unlock();
+ return -ENOMEM;
+}
+
+/*
+ * Receive input from user regarding Tx latency statistics
+ * The input should indicate if Tx latency statistics and bins are
+ * enabled/disabled.
+ * If bins are enabled input should indicate the amount of different bins and
+ * their ranges. Each bin will count how many Tx frames transmitted within the
+ * appropriate latency.
+ * Legal input is:
+ * a) "enable(bins disabled)" - to enable only general statistics
+ * b) "a,b,c,d,...z" - to enable general statistics and bins, where all are
+ * numbers and a < b < c < d.. < z
+ * c) "disable" - disable all statistics
+ * NOTE: must configure Tx latency statistics bins before stations connected.
+ */
+
+static ssize_t sta_tx_latency_stat_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ char buf[128] = {};
+ char *bins = buf;
+ char *token;
+ int buf_size, i, alloc_size;
+ int prev_bin = 0;
+ int n_ranges = 0;
+ int ret = count;
+ struct ieee80211_tx_latency_bin_ranges *tx_latency;
+
+ if (sizeof(buf) <= count)
+ return -EINVAL;
+ buf_size = count;
+ if (copy_from_user(buf, userbuf, buf_size))
+ return -EFAULT;
+
+ mutex_lock(&local->sta_mtx);
+
+ /* cannot change config once we have stations */
+ if (local->num_sta)
+ goto unlock;
+
+ tx_latency =
+ rcu_dereference_protected(local->tx_latency,
+ lockdep_is_held(&local->sta_mtx));
+
+ /* disable Tx statistics */
+ if (!strcmp(buf, TX_LATENCY_DISABLED)) {
+ if (!tx_latency)
+ goto unlock;
+ rcu_assign_pointer(local->tx_latency, NULL);
+ synchronize_rcu();
+ kfree(tx_latency);
+ goto unlock;
+ }
+
+ /* Tx latency already enabled */
+ if (tx_latency)
+ goto unlock;
+
+ if (strcmp(TX_LATENCY_BINS_DISABLED, buf)) {
+ /* check how many bins and between what ranges user requested */
+ token = buf;
+ while (*token != '\0') {
+ if (*token == TX_LATENCY_BIN_DELIMTER_C)
+ n_ranges++;
+ token++;
+ }
+ n_ranges++;
+ }
+
+ alloc_size = sizeof(struct ieee80211_tx_latency_bin_ranges) +
+ n_ranges * sizeof(u32);
+ tx_latency = kzalloc(alloc_size, GFP_ATOMIC);
+ if (!tx_latency) {
+ ret = -ENOMEM;
+ goto unlock;
+ }
+ tx_latency->n_ranges = n_ranges;
+ for (i = 0; i < n_ranges; i++) { /* setting bin ranges */
+ token = strsep(&bins, TX_LATENCY_BIN_DELIMTER_S);
+ sscanf(token, "%d", &tx_latency->ranges[i]);
+ /* bins values should be in ascending order */
+ if (prev_bin >= tx_latency->ranges[i]) {
+ ret = -EINVAL;
+ kfree(tx_latency);
+ goto unlock;
+ }
+ prev_bin = tx_latency->ranges[i];
+ }
+ rcu_assign_pointer(local->tx_latency, tx_latency);
+
+unlock:
+ mutex_unlock(&local->sta_mtx);
+
+ return ret;
+}
+
+static const struct file_operations stats_tx_latency_ops = {
+ .write = sta_tx_latency_stat_write,
+ .read = sta_tx_latency_stat_read,
+ .open = simple_open,
+ .llseek = generic_file_llseek,
+};
+
int mac80211_format_buffer(char __user *userbuf, size_t count,
loff_t *ppos, char *fmt, ...)
{
DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);
DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount);
DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount);
+
+ DEBUGFS_DEVSTATS_ADD(tx_latency);
}
.llseek = generic_file_llseek, \
}
+#define STA_OPS_W(name) \
+static const struct file_operations sta_ ##name## _ops = { \
+ .write = sta_##name##_write, \
+ .open = simple_open, \
+ .llseek = generic_file_llseek, \
+}
+
#define STA_OPS_RW(name) \
static const struct file_operations sta_ ##name## _ops = { \
.read = sta_##name##_read, \
}
STA_OPS(last_rx_rate);
+static int
+sta_tx_latency_stat_header(struct ieee80211_tx_latency_bin_ranges *tx_latency,
+ char *buf, int pos, int bufsz)
+{
+ int i;
+ int range_count = tx_latency->n_ranges;
+ u32 *bin_ranges = tx_latency->ranges;
+
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "Station\t\t\tTID\tMax\tAvg");
+ if (range_count) {
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\t<=%d", bin_ranges[0]);
+ for (i = 0; i < range_count - 1; i++)
+ pos += scnprintf(buf + pos, bufsz - pos, "\t%d-%d",
+ bin_ranges[i], bin_ranges[i+1]);
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\t%d<", bin_ranges[range_count - 1]);
+ }
+
+ pos += scnprintf(buf + pos, bufsz - pos, "\n");
+
+ return pos;
+}
+
+static int
+sta_tx_latency_stat_table(struct ieee80211_tx_latency_bin_ranges *tx_lat_range,
+ struct ieee80211_tx_latency_stat *tx_lat,
+ char *buf, int pos, int bufsz, int tid)
+{
+ u32 avg = 0;
+ int j;
+ int bin_count = tx_lat->bin_count;
+
+ pos += scnprintf(buf + pos, bufsz - pos, "\t\t\t%d", tid);
+ /* make sure you don't divide in 0 */
+ if (tx_lat->counter)
+ avg = tx_lat->sum / tx_lat->counter;
+
+ pos += scnprintf(buf + pos, bufsz - pos, "\t%d\t%d",
+ tx_lat->max, avg);
+
+ if (tx_lat_range->n_ranges && tx_lat->bins)
+ for (j = 0; j < bin_count; j++)
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\t%d", tx_lat->bins[j]);
+ pos += scnprintf(buf + pos, bufsz - pos, "\n");
+
+ return pos;
+}
+
+/*
+ * Output Tx latency statistics station && restart all statistics information
+ */
+static ssize_t sta_tx_latency_stat_read(struct file *file,
+ char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct sta_info *sta = file->private_data;
+ struct ieee80211_local *local = sta->local;
+ struct ieee80211_tx_latency_bin_ranges *tx_latency;
+ char *buf;
+ int bufsz, ret, i;
+ int pos = 0;
+
+ bufsz = 20 * IEEE80211_NUM_TIDS *
+ sizeof(struct ieee80211_tx_latency_stat);
+ buf = kzalloc(bufsz, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ rcu_read_lock();
+
+ tx_latency = rcu_dereference(local->tx_latency);
+
+ if (!sta->tx_lat) {
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "Tx latency statistics are not enabled\n");
+ goto unlock;
+ }
+
+ pos = sta_tx_latency_stat_header(tx_latency, buf, pos, bufsz);
+
+ pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", sta->sta.addr);
+ for (i = 0; i < IEEE80211_NUM_TIDS; i++)
+ pos = sta_tx_latency_stat_table(tx_latency, &sta->tx_lat[i],
+ buf, pos, bufsz, i);
+unlock:
+ rcu_read_unlock();
+
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ kfree(buf);
+
+ return ret;
+}
+STA_OPS(tx_latency_stat);
+
+static ssize_t sta_tx_latency_stat_reset_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ u32 *bins;
+ int bin_count;
+ struct sta_info *sta = file->private_data;
+ int i;
+
+ if (!sta->tx_lat)
+ return -EINVAL;
+
+ for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
+ bins = sta->tx_lat[i].bins;
+ bin_count = sta->tx_lat[i].bin_count;
+
+ sta->tx_lat[i].max = 0;
+ sta->tx_lat[i].sum = 0;
+ sta->tx_lat[i].counter = 0;
+
+ if (bin_count)
+ memset(bins, 0, bin_count * sizeof(u32));
+ }
+
+ return count;
+}
+STA_OPS_W(tx_latency_stat_reset);
+
#define DEBUGFS_ADD(name) \
debugfs_create_file(#name, 0400, \
sta->debugfs.dir, sta, &sta_ ##name## _ops);
DEBUGFS_ADD(last_ack_signal);
DEBUGFS_ADD(current_tx_rate);
DEBUGFS_ADD(last_rx_rate);
+ DEBUGFS_ADD(tx_latency_stat);
+ DEBUGFS_ADD(tx_latency_stat_reset);
DEBUGFS_ADD_COUNTER(rx_packets, rx_packets);
DEBUGFS_ADD_COUNTER(tx_packets, tx_packets);
capability);
/* XXX: should not really modify cfg80211 data */
if (cbss) {
- cbss->channel = sdata->local->csa_chandef.chan;
+ cbss->channel = sdata->csa_chandef.chan;
cfg80211_put_bss(sdata->local->hw.wiphy, cbss);
}
}
- ifibss->chandef = sdata->local->csa_chandef;
+ ifibss->chandef = sdata->csa_chandef;
/* generate the beacon */
err = ieee80211_ibss_csa_beacon(sdata, NULL);
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
- sdata->local->csa_chandef = params.chandef;
+ sdata->csa_chandef = params.chandef;
sdata->vif.csa_active = true;
ieee80211_bss_info_change_notify(sdata, err);
u16 sequence_number;
__be16 control_port_protocol;
bool control_port_no_encrypt;
+ int encrypt_headroom;
struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
int csa_counter_offset_beacon;
int csa_counter_offset_presp;
bool csa_radar_required;
+ struct cfg80211_chan_def csa_chandef;
/* used to reconfigure hardware SM PS */
struct work_struct recalc_smps;
__release(&sdata->wdev.mtx);
}
+#define sdata_dereference(p, sdata) \
+ rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx))
+
static inline void
sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
{
};
#endif
+/*
+ * struct ieee80211_tx_latency_bin_ranges - Tx latency statistics bins ranges
+ *
+ * Measuring Tx latency statistics. Counts how many Tx frames transmitted in a
+ * certain latency range (in Milliseconds). Each station that uses these
+ * ranges will have bins to count the amount of frames received in that range.
+ * The user can configure the ranges via debugfs.
+ * If ranges is NULL then Tx latency statistics bins are disabled for all
+ * stations.
+ *
+ * @n_ranges: number of ranges that are taken in account
+ * @ranges: the ranges that the user requested or NULL if disabled.
+ */
+struct ieee80211_tx_latency_bin_ranges {
+ int n_ranges;
+ u32 ranges[];
+};
+
/**
* mac80211 scan flags - currently active scan mode
*
struct timer_list sta_cleanup;
int sta_generation;
+ /*
+ * Tx latency statistics parameters for all stations.
+ * Can enable via debugfs (NULL when disabled).
+ */
+ struct ieee80211_tx_latency_bin_ranges __rcu *tx_latency;
+
struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
struct tasklet_struct tx_pending_tasklet;
enum mac80211_scan_state next_scan_state;
struct delayed_work scan_work;
struct ieee80211_sub_if_data __rcu *scan_sdata;
- struct cfg80211_chan_def csa_chandef;
/* For backward compatibility only -- do not use */
struct cfg80211_chan_def _oper_chandef;
int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
enum ieee80211_smps_mode smps_mode);
void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata);
+void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata);
size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
const u8 *ids, int n_ids, size_t offset);
/* NOTE: only use ieee80211_vif_change_channel() for channel switch */
int __must_check
ieee80211_vif_change_channel(struct ieee80211_sub_if_data *sdata,
- const struct cfg80211_chan_def *chandef,
u32 *changed);
void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
struct ieee80211_chanctx *chanctx);
void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local,
struct ieee80211_chanctx *chanctx);
+void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
+ struct ieee80211_chanctx *ctx);
void ieee80211_dfs_cac_timer(unsigned long data);
void ieee80211_dfs_cac_timer_work(struct work_struct *work);
int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
struct cfg80211_csa_settings *csa_settings);
+bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs);
+bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n);
+const struct ieee80211_cipher_scheme *
+ieee80211_cs_get(struct ieee80211_local *local, u32 cipher,
+ enum nl80211_iftype iftype);
+int ieee80211_cs_headroom(struct ieee80211_local *local,
+ struct cfg80211_crypto_settings *crypto,
+ enum nl80211_iftype iftype);
+
#ifdef CONFIG_MAC80211_NOINLINE
#define debug_noinline noinline
#else
snprintf(sdata->name, IFNAMSIZ, "%s-monitor",
wiphy_name(local->hw.wiphy));
+ sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
+
ieee80211_set_default_queues(sdata);
ret = drv_add_interface(local, sdata);
u32 hw_reconf_flags = 0;
int i, flushed;
struct ps_data *ps;
+ struct cfg80211_chan_def chandef;
clear_bit(SDATA_STATE_RUNNING, &sdata->state);
cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
if (sdata->wdev.cac_started) {
+ chandef = sdata->vif.bss_conf.chandef;
WARN_ON(local->suspended);
mutex_lock(&local->iflist_mtx);
ieee80211_vif_release_channel(sdata);
mutex_unlock(&local->iflist_mtx);
- cfg80211_cac_event(sdata->dev, NL80211_RADAR_CAC_ABORTED,
+ cfg80211_cac_event(sdata->dev, &chandef,
+ NL80211_RADAR_CAC_ABORTED,
GFP_KERNEL);
}
*/
static void ieee80211_teardown_sdata(struct ieee80211_sub_if_data *sdata)
{
- int flushed;
int i;
/* free extra data */
if (ieee80211_vif_is_mesh(&sdata->vif))
mesh_rmc_free(sdata);
-
- flushed = sta_info_flush(sdata);
- WARN_ON(flushed);
}
static void ieee80211_uninit(struct net_device *dev)
sdata->control_port_protocol = cpu_to_be16(ETH_P_PAE);
sdata->control_port_no_encrypt = false;
+ sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
sdata->noack_map = 0;
sdata->ap_power_level = IEEE80211_UNSET_POWER_LEVEL;
sdata->user_power_level = local->user_power_level;
+ sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
+
/* setup type-dependent data */
ieee80211_setup_sdata(sdata, type);
int idx;
bool defunikey, defmultikey, defmgmtkey;
+ /* caller must provide at least one old/new */
+ if (WARN_ON(!new && !old))
+ return;
+
if (new)
list_add_tail(&new->list, &sdata->key_list);
- if (sta && pairwise) {
- rcu_assign_pointer(sta->ptk, new);
- } else if (sta) {
- if (old)
- idx = old->conf.keyidx;
- else
- idx = new->conf.keyidx;
- rcu_assign_pointer(sta->gtk[idx], new);
- } else {
- WARN_ON(new && old && new->conf.keyidx != old->conf.keyidx);
+ WARN_ON(new && old && new->conf.keyidx != old->conf.keyidx);
- if (old)
- idx = old->conf.keyidx;
- else
- idx = new->conf.keyidx;
+ if (old)
+ idx = old->conf.keyidx;
+ else
+ idx = new->conf.keyidx;
+ if (sta) {
+ if (pairwise) {
+ rcu_assign_pointer(sta->ptk[idx], new);
+ sta->ptk_idx = idx;
+ } else {
+ rcu_assign_pointer(sta->gtk[idx], new);
+ sta->gtk_idx = idx;
+ }
+ } else {
defunikey = old &&
old == key_mtx_dereference(sdata->local,
sdata->default_unicast_key);
list_del(&old->list);
}
-struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
- const u8 *key_data,
- size_t seq_len, const u8 *seq)
+struct ieee80211_key *
+ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
+ const u8 *key_data,
+ size_t seq_len, const u8 *seq,
+ const struct ieee80211_cipher_scheme *cs)
{
struct ieee80211_key *key;
int i, j, err;
return ERR_PTR(err);
}
break;
+ default:
+ if (cs) {
+ size_t len = (seq_len > MAX_PN_LEN) ?
+ MAX_PN_LEN : seq_len;
+
+ key->conf.iv_len = cs->hdr_len;
+ key->conf.icv_len = cs->mic_len;
+ for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++)
+ for (j = 0; j < len; j++)
+ key->u.gen.rx_pn[i][j] =
+ seq[len - j - 1];
+ }
}
memcpy(key->conf.key, key_data, key_len);
INIT_LIST_HEAD(&key->list);
mutex_lock(&sdata->local->key_mtx);
if (sta && pairwise)
- old_key = key_mtx_dereference(sdata->local, sta->ptk);
+ old_key = key_mtx_dereference(sdata->local, sta->ptk[idx]);
else if (sta)
old_key = key_mtx_dereference(sdata->local, sta->gtk[idx]);
else
list_add(&key->list, &keys);
}
- key = key_mtx_dereference(local, sta->ptk);
- if (key) {
+ for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+ key = key_mtx_dereference(local, sta->ptk[i]);
+ if (!key)
+ continue;
ieee80211_key_replace(key->sdata, key->sta,
key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
key, NULL);
key = ieee80211_key_alloc(keyconf->cipher, keyconf->keyidx,
keyconf->keylen, keyconf->key,
- 0, NULL);
+ 0, NULL, NULL);
if (IS_ERR(key))
return ERR_CAST(key);
#define NUM_DEFAULT_KEYS 4
#define NUM_DEFAULT_MGMT_KEYS 2
+#define MAX_PN_LEN 16
struct ieee80211_local;
struct ieee80211_sub_if_data;
u32 replays; /* dot11RSNAStatsCMACReplays */
u32 icverrors; /* dot11RSNAStatsCMACICVErrors */
} aes_cmac;
+ struct {
+ /* generic cipher scheme */
+ u8 rx_pn[IEEE80211_NUM_TIDS + 1][MAX_PN_LEN];
+ } gen;
} u;
/* number of times this key has been used */
struct ieee80211_key_conf conf;
};
-struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
- const u8 *key_data,
- size_t seq_len, const u8 *seq);
+struct ieee80211_key *
+ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
+ const u8 *key_data,
+ size_t seq_len, const u8 *seq,
+ const struct ieee80211_cipher_scheme *cs);
/*
* Insert a key into data structures (sdata, sta if necessary)
* to make it used, free old key. On failure, also free the new key.
}
EXPORT_SYMBOL(ieee80211_alloc_hw);
-int ieee80211_register_hw(struct ieee80211_hw *hw)
+static int ieee80211_init_cipher_suites(struct ieee80211_local *local)
{
- struct ieee80211_local *local = hw_to_local(hw);
- int result, i;
- enum ieee80211_band band;
- int channels, max_bitrates;
- bool supp_ht, supp_vht;
- netdev_features_t feature_whitelist;
- struct cfg80211_chan_def dflt_chandef = {};
+ bool have_wep = !(IS_ERR(local->wep_tx_tfm) ||
+ IS_ERR(local->wep_rx_tfm));
+ bool have_mfp = local->hw.flags & IEEE80211_HW_MFP_CAPABLE;
+ const struct ieee80211_cipher_scheme *cs = local->hw.cipher_schemes;
+ int n_suites = 0, r = 0, w = 0;
+ u32 *suites;
static const u32 cipher_suites[] = {
/* keep WEP first, it may be removed below */
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_AES_CMAC
};
+ /* Driver specifies the ciphers, we have nothing to do... */
+ if (local->hw.wiphy->cipher_suites && have_wep)
+ return 0;
+
+ /* Set up cipher suites if driver relies on mac80211 cipher defs */
+ if (!local->hw.wiphy->cipher_suites && !cs) {
+ local->hw.wiphy->cipher_suites = cipher_suites;
+ local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+
+ if (!have_mfp)
+ local->hw.wiphy->n_cipher_suites--;
+
+ if (!have_wep) {
+ local->hw.wiphy->cipher_suites += 2;
+ local->hw.wiphy->n_cipher_suites -= 2;
+ }
+
+ return 0;
+ }
+
+ if (!local->hw.wiphy->cipher_suites) {
+ /*
+ * Driver specifies cipher schemes only
+ * We start counting ciphers defined by schemes, TKIP and CCMP
+ */
+ n_suites = local->hw.n_cipher_schemes + 2;
+
+ /* check if we have WEP40 and WEP104 */
+ if (have_wep)
+ n_suites += 2;
+
+ /* check if we have AES_CMAC */
+ if (have_mfp)
+ n_suites++;
+
+ suites = kmalloc(sizeof(u32) * n_suites, GFP_KERNEL);
+ if (!suites)
+ return -ENOMEM;
+
+ suites[w++] = WLAN_CIPHER_SUITE_CCMP;
+ suites[w++] = WLAN_CIPHER_SUITE_TKIP;
+
+ if (have_wep) {
+ suites[w++] = WLAN_CIPHER_SUITE_WEP40;
+ suites[w++] = WLAN_CIPHER_SUITE_WEP104;
+ }
+
+ if (have_mfp)
+ suites[w++] = WLAN_CIPHER_SUITE_AES_CMAC;
+
+ for (r = 0; r < local->hw.n_cipher_schemes; r++)
+ suites[w++] = cs[r].cipher;
+ } else {
+ /* Driver provides cipher suites, but we need to exclude WEP */
+ suites = kmemdup(local->hw.wiphy->cipher_suites,
+ sizeof(u32) * local->hw.wiphy->n_cipher_suites,
+ GFP_KERNEL);
+ if (!suites)
+ return -ENOMEM;
+
+ for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) {
+ u32 suite = local->hw.wiphy->cipher_suites[r];
+
+ if (suite == WLAN_CIPHER_SUITE_WEP40 ||
+ suite == WLAN_CIPHER_SUITE_WEP104)
+ continue;
+ suites[w++] = suite;
+ }
+ }
+
+ local->hw.wiphy->cipher_suites = suites;
+ local->hw.wiphy->n_cipher_suites = w;
+ local->wiphy_ciphers_allocated = true;
+
+ return 0;
+}
+
+int ieee80211_register_hw(struct ieee80211_hw *hw)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ int result, i;
+ enum ieee80211_band band;
+ int channels, max_bitrates;
+ bool supp_ht, supp_vht;
+ netdev_features_t feature_whitelist;
+ struct cfg80211_chan_def dflt_chandef = {};
+
if (hw->flags & IEEE80211_HW_QUEUE_CONTROL &&
(local->hw.offchannel_tx_hw_queue == IEEE80211_INVAL_HW_QUEUE ||
local->hw.offchannel_tx_hw_queue >= local->hw.queues))
if (local->hw.wiphy->max_scan_ie_len)
local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len;
- /* Set up cipher suites unless driver already did */
- if (!local->hw.wiphy->cipher_suites) {
- local->hw.wiphy->cipher_suites = cipher_suites;
- local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
- if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE))
- local->hw.wiphy->n_cipher_suites--;
- }
- if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) {
- if (local->hw.wiphy->cipher_suites == cipher_suites) {
- local->hw.wiphy->cipher_suites += 2;
- local->hw.wiphy->n_cipher_suites -= 2;
- } else {
- u32 *suites;
- int r, w = 0;
-
- /* Filter out WEP */
-
- suites = kmemdup(
- local->hw.wiphy->cipher_suites,
- sizeof(u32) * local->hw.wiphy->n_cipher_suites,
- GFP_KERNEL);
- if (!suites) {
- result = -ENOMEM;
- goto fail_wiphy_register;
- }
- for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) {
- u32 suite = local->hw.wiphy->cipher_suites[r];
- if (suite == WLAN_CIPHER_SUITE_WEP40 ||
- suite == WLAN_CIPHER_SUITE_WEP104)
- continue;
- suites[w++] = suite;
- }
- local->hw.wiphy->cipher_suites = suites;
- local->hw.wiphy->n_cipher_suites = w;
- local->wiphy_ciphers_allocated = true;
- }
- }
+ WARN_ON(!ieee80211_cs_list_valid(local->hw.cipher_schemes,
+ local->hw.n_cipher_schemes));
+
+ result = ieee80211_init_cipher_suites(local);
+ if (result < 0)
+ goto fail_wiphy_register;
if (!local->ops->remain_on_channel)
local->hw.wiphy->max_remain_on_channel_duration = 5000;
ieee80211_free_ack_frame, NULL);
idr_destroy(&local->ack_status_frames);
+ kfree(rcu_access_pointer(local->tx_latency));
+
wiphy_free(local->hw.wiphy);
}
EXPORT_SYMBOL(ieee80211_free_hw);
rcu_read_lock();
csa = rcu_dereference(ifmsh->csa);
if (csa) {
- __le16 pre_value;
-
pos = skb_put(skb, 13);
memset(pos, 0, 13);
*pos++ = WLAN_EID_CHANNEL_SWITCH;
WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT : 0x00;
put_unaligned_le16(WLAN_REASON_MESH_CHAN, pos);
pos += 2;
- pre_value = cpu_to_le16(ifmsh->pre_value);
- memcpy(pos, &pre_value, 2);
+ put_unaligned_le16(ifmsh->pre_value, pos);
pos += 2;
}
rcu_read_unlock();
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
- sdata->local->csa_chandef = params.chandef;
+ sdata->csa_chandef = params.chandef;
sdata->vif.csa_active = true;
ieee80211_bss_info_change_notify(sdata, err);
bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
struct ieee802_11_elems *ie);
void mesh_ids_set_default(struct ieee80211_if_mesh *mesh);
-void mesh_mgmt_ies_add(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb);
int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
int mesh_add_meshid_ie(struct ieee80211_sub_if_data *sdata,
void mesh_mpp_table_grow(void);
/* Mesh paths */
int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata,
- u8 ttl, const u8 *target, __le32 target_sn,
- __le16 target_rcode, const u8 *ra);
+ u8 ttl, const u8 *target, u32 target_sn,
+ u16 target_rcode, const u8 *ra);
void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta);
void mesh_path_flush_pending(struct mesh_path *mpath);
void mesh_path_tx_pending(struct mesh_path *mpath);
static const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
- const u8 *orig_addr, __le32 orig_sn,
+ const u8 *orig_addr, u32 orig_sn,
u8 target_flags, const u8 *target,
- __le32 target_sn, const u8 *da,
+ u32 target_sn, const u8 *da,
u8 hop_count, u8 ttl,
- __le32 lifetime, __le32 metric,
- __le32 preq_id,
+ u32 lifetime, u32 metric, u32 preq_id,
struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
if (action == MPATH_PREP) {
memcpy(pos, target, ETH_ALEN);
pos += ETH_ALEN;
- memcpy(pos, &target_sn, 4);
+ put_unaligned_le32(target_sn, pos);
pos += 4;
} else {
if (action == MPATH_PREQ) {
- memcpy(pos, &preq_id, 4);
+ put_unaligned_le32(preq_id, pos);
pos += 4;
}
memcpy(pos, orig_addr, ETH_ALEN);
pos += ETH_ALEN;
- memcpy(pos, &orig_sn, 4);
+ put_unaligned_le32(orig_sn, pos);
pos += 4;
}
- memcpy(pos, &lifetime, 4); /* interval for RANN */
+ put_unaligned_le32(lifetime, pos); /* interval for RANN */
pos += 4;
- memcpy(pos, &metric, 4);
+ put_unaligned_le32(metric, pos);
pos += 4;
if (action == MPATH_PREQ) {
*pos++ = 1; /* destination count */
*pos++ = target_flags;
memcpy(pos, target, ETH_ALEN);
pos += ETH_ALEN;
- memcpy(pos, &target_sn, 4);
+ put_unaligned_le32(target_sn, pos);
pos += 4;
} else if (action == MPATH_PREP) {
memcpy(pos, orig_addr, ETH_ALEN);
pos += ETH_ALEN;
- memcpy(pos, &orig_sn, 4);
+ put_unaligned_le32(orig_sn, pos);
pos += 4;
}
* frame directly but add it to the pending queue instead.
*/
int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata,
- u8 ttl, const u8 *target, __le32 target_sn,
- __le16 target_rcode, const u8 *ra)
+ u8 ttl, const u8 *target, u32 target_sn,
+ u16 target_rcode, const u8 *ra)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
return -EAGAIN;
skb = dev_alloc_skb(local->tx_headroom +
- IEEE80211_ENCRYPT_HEADROOM +
+ sdata->encrypt_headroom +
IEEE80211_ENCRYPT_TAILROOM +
hdr_len +
2 + 15 /* PERR IE */);
if (!skb)
return -1;
- skb_reserve(skb, local->tx_headroom + IEEE80211_ENCRYPT_HEADROOM);
+ skb_reserve(skb, local->tx_headroom + sdata->encrypt_headroom);
mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len);
memset(mgmt, 0, hdr_len);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
pos++;
memcpy(pos, target, ETH_ALEN);
pos += ETH_ALEN;
- memcpy(pos, &target_sn, 4);
+ put_unaligned_le32(target_sn, pos);
pos += 4;
- memcpy(pos, &target_rcode, 2);
+ put_unaligned_le16(target_rcode, pos);
/* see note in function header */
prepare_frame_for_deferred_tx(sdata, skb);
if (ttl != 0) {
mhwmp_dbg(sdata, "replying to the PREQ\n");
mesh_path_sel_frame_tx(MPATH_PREP, 0, orig_addr,
- cpu_to_le32(orig_sn), 0, target_addr,
- cpu_to_le32(target_sn), mgmt->sa, 0, ttl,
- cpu_to_le32(lifetime), cpu_to_le32(metric),
- 0, sdata);
+ orig_sn, 0, target_addr,
+ target_sn, mgmt->sa, 0, ttl,
+ lifetime, metric, 0, sdata);
} else {
ifmsh->mshstats.dropped_frames_ttl++;
}
}
mesh_path_sel_frame_tx(MPATH_PREQ, flags, orig_addr,
- cpu_to_le32(orig_sn), target_flags, target_addr,
- cpu_to_le32(target_sn), da,
- hopcount, ttl, cpu_to_le32(lifetime),
- cpu_to_le32(metric), cpu_to_le32(preq_id),
- sdata);
+ orig_sn, target_flags, target_addr,
+ target_sn, da, hopcount, ttl, lifetime,
+ metric, preq_id, sdata);
if (!is_multicast_ether_addr(da))
ifmsh->mshstats.fwded_unicast++;
else
target_sn = PREP_IE_TARGET_SN(prep_elem);
orig_sn = PREP_IE_ORIG_SN(prep_elem);
- mesh_path_sel_frame_tx(MPATH_PREP, flags, orig_addr,
- cpu_to_le32(orig_sn), 0, target_addr,
- cpu_to_le32(target_sn), next_hop, hopcount,
- ttl, cpu_to_le32(lifetime), cpu_to_le32(metric),
- 0, sdata);
+ mesh_path_sel_frame_tx(MPATH_PREP, flags, orig_addr, orig_sn, 0,
+ target_addr, target_sn, next_hop, hopcount,
+ ttl, lifetime, metric, 0, sdata);
rcu_read_unlock();
sdata->u.mesh.mshstats.fwded_unicast++;
if (!ifmsh->mshcfg.dot11MeshForwarding)
goto endperr;
mesh_path_error_tx(sdata, ttl, target_addr,
- cpu_to_le32(target_sn),
- cpu_to_le16(target_rcode),
+ target_sn, target_rcode,
broadcast_addr);
} else
spin_unlock_bh(&mpath->state_lock);
if (ifmsh->mshcfg.dot11MeshForwarding) {
mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr,
- cpu_to_le32(orig_sn),
- 0, NULL, 0, broadcast_addr,
- hopcount, ttl, cpu_to_le32(interval),
- cpu_to_le32(metric + metric_txsta),
- 0, sdata);
+ orig_sn, 0, NULL, 0, broadcast_addr,
+ hopcount, ttl, interval,
+ metric + metric_txsta, 0, sdata);
}
rcu_read_unlock();
spin_unlock_bh(&mpath->state_lock);
da = (mpath->is_root) ? mpath->rann_snd_addr : broadcast_addr;
- mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->vif.addr,
- cpu_to_le32(ifmsh->sn), target_flags, mpath->dst,
- cpu_to_le32(mpath->sn), da, 0,
- ttl, cpu_to_le32(lifetime), 0,
- cpu_to_le32(ifmsh->preq_id++), sdata);
+ mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->vif.addr, ifmsh->sn,
+ target_flags, mpath->dst, mpath->sn, da, 0,
+ ttl, lifetime, 0, ifmsh->preq_id++, sdata);
mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
enddiscovery:
switch (ifmsh->mshcfg.dot11MeshHWMPRootMode) {
case IEEE80211_PROACTIVE_RANN:
mesh_path_sel_frame_tx(MPATH_RANN, flags, sdata->vif.addr,
- cpu_to_le32(++ifmsh->sn),
- 0, NULL, 0, broadcast_addr,
- 0, ifmsh->mshcfg.element_ttl,
- cpu_to_le32(interval), 0, 0, sdata);
+ ++ifmsh->sn, 0, NULL, 0, broadcast_addr,
+ 0, ifmsh->mshcfg.element_ttl,
+ interval, 0, 0, sdata);
break;
case IEEE80211_PROACTIVE_PREQ_WITH_PREP:
flags |= IEEE80211_PREQ_PROACTIVE_PREP_FLAG;
target_flags |= IEEE80211_PREQ_TO_FLAG |
IEEE80211_PREQ_USN_FLAG;
mesh_path_sel_frame_tx(MPATH_PREQ, flags, sdata->vif.addr,
- cpu_to_le32(++ifmsh->sn), target_flags,
- (u8 *) broadcast_addr, 0, broadcast_addr,
- 0, ifmsh->mshcfg.element_ttl,
- cpu_to_le32(interval),
- 0, cpu_to_le32(ifmsh->preq_id++), sdata);
+ ++ifmsh->sn, target_flags,
+ (u8 *) broadcast_addr, 0, broadcast_addr,
+ 0, ifmsh->mshcfg.element_ttl, interval,
+ 0, ifmsh->preq_id++, sdata);
break;
default:
mhwmp_dbg(sdata, "Proactive mechanism not supported\n");
struct mpath_node *node;
struct ieee80211_sub_if_data *sdata = sta->sdata;
int i;
- __le16 reason = cpu_to_le16(WLAN_REASON_MESH_PATH_DEST_UNREACHABLE);
rcu_read_lock();
tbl = rcu_dereference(mesh_paths);
++mpath->sn;
spin_unlock_bh(&mpath->state_lock);
mesh_path_error_tx(sdata,
- sdata->u.mesh.mshcfg.element_ttl,
- mpath->dst, cpu_to_le32(mpath->sn),
- reason, bcast);
+ sdata->u.mesh.mshcfg.element_ttl,
+ mpath->dst, mpath->sn,
+ WLAN_REASON_MESH_PATH_DEST_UNREACHABLE, bcast);
}
}
rcu_read_unlock();
#define mod_plink_timer(s, t) (mod_timer(&s->plink_timer, \
jiffies + HZ * t / 1000))
-/* We only need a valid sta if user configured a minimum rssi_threshold. */
-#define rssi_threshold_check(sta, sdata) \
- (sdata->u.mesh.mshcfg.rssi_threshold == 0 ||\
- (sta && (s8) -ewma_read(&sta->avg_signal) > \
- sdata->u.mesh.mshcfg.rssi_threshold))
-
enum plink_event {
PLINK_UNDEFINED,
OPN_ACPT,
static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
enum ieee80211_self_protected_actioncode action,
- u8 *da, __le16 llid, __le16 plid, __le16 reason);
+ u8 *da, u16 llid, u16 plid, u16 reason);
+
+
+/* We only need a valid sta if user configured a minimum rssi_threshold. */
+static bool rssi_threshold_check(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta)
+{
+ s32 rssi_threshold = sdata->u.mesh.mshcfg.rssi_threshold;
+ return rssi_threshold == 0 ||
+ (sta && (s8) -ewma_read(&sta->avg_signal) > rssi_threshold);
+}
/**
* mesh_plink_fsm_restart - restart a mesh peer link finite state machine
spin_lock_bh(&sta->lock);
changed = __mesh_plink_deactivate(sta);
- sta->reason = cpu_to_le16(WLAN_REASON_MESH_PEER_CANCELED);
+ sta->reason = WLAN_REASON_MESH_PEER_CANCELED;
mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
sta->sta.addr, sta->llid, sta->plid,
sta->reason);
static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
enum ieee80211_self_protected_actioncode action,
- u8 *da, __le16 llid, __le16 plid, __le16 reason)
+ u8 *da, u16 llid, u16 plid, u16 reason)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
2 + 8 + /* peering IE */
sdata->u.mesh.ie_len);
if (!skb)
- return -1;
+ return err;
info = IEEE80211_SKB_CB(skb);
skb_reserve(skb, local->tx_headroom);
mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len);
if (action == WLAN_SP_MESH_PEERING_CONFIRM) {
/* AID */
pos = skb_put(skb, 2);
- memcpy(pos + 2, &plid, 2);
+ put_unaligned_le16(plid, pos + 2);
}
if (ieee80211_add_srates_ie(sdata, skb, true, band) ||
ieee80211_add_ext_srates_ie(sdata, skb, true, band) ||
*pos++ = ie_len;
memcpy(pos, &peering_proto, 2);
pos += 2;
- memcpy(pos, &llid, 2);
+ put_unaligned_le16(llid, pos);
pos += 2;
if (include_plid) {
- memcpy(pos, &plid, 2);
+ put_unaligned_le16(plid, pos);
pos += 2;
}
if (action == WLAN_SP_MESH_PEERING_CLOSE) {
- memcpy(pos, &reason, 2);
+ put_unaligned_le16(reason, pos);
pos += 2;
}
sta->plink_state == NL80211_PLINK_LISTEN &&
sdata->u.mesh.accepting_plinks &&
sdata->u.mesh.mshcfg.auto_open_plinks &&
- rssi_threshold_check(sta, sdata))
+ rssi_threshold_check(sdata, sta))
changed = mesh_plink_open(sta);
ieee80211_mps_frame_release(sta, elems);
static void mesh_plink_timer(unsigned long data)
{
struct sta_info *sta;
- __le16 llid, plid, reason;
+ u16 reason = 0;
struct ieee80211_sub_if_data *sdata;
struct mesh_config *mshcfg;
+ enum ieee80211_self_protected_actioncode action = 0;
/*
* This STA is valid because sta_info_destroy() will
mpl_dbg(sta->sdata,
"Mesh plink timer for %pM fired on state %s\n",
sta->sta.addr, mplstates[sta->plink_state]);
- reason = 0;
- llid = sta->llid;
- plid = sta->plid;
sdata = sta->sdata;
mshcfg = &sdata->u.mesh.mshcfg;
rand % sta->plink_timeout;
++sta->plink_retries;
mod_plink_timer(sta, sta->plink_timeout);
- spin_unlock_bh(&sta->lock);
- mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_OPEN,
- sta->sta.addr, llid, 0, 0);
+ action = WLAN_SP_MESH_PEERING_OPEN;
break;
}
- reason = cpu_to_le16(WLAN_REASON_MESH_MAX_RETRIES);
+ reason = WLAN_REASON_MESH_MAX_RETRIES;
/* fall through on else */
case NL80211_PLINK_CNF_RCVD:
/* confirm timer */
if (!reason)
- reason = cpu_to_le16(WLAN_REASON_MESH_CONFIRM_TIMEOUT);
+ reason = WLAN_REASON_MESH_CONFIRM_TIMEOUT;
sta->plink_state = NL80211_PLINK_HOLDING;
mod_plink_timer(sta, mshcfg->dot11MeshHoldingTimeout);
- spin_unlock_bh(&sta->lock);
- mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
- sta->sta.addr, llid, plid, reason);
+ action = WLAN_SP_MESH_PEERING_CLOSE;
break;
case NL80211_PLINK_HOLDING:
/* holding timer */
del_timer(&sta->plink_timer);
mesh_plink_fsm_restart(sta);
- spin_unlock_bh(&sta->lock);
break;
default:
- spin_unlock_bh(&sta->lock);
break;
}
+ spin_unlock_bh(&sta->lock);
+ if (action)
+ mesh_plink_frame_tx(sdata, action, sta->sta.addr,
+ sta->llid, sta->plid, reason);
}
static inline void mesh_plink_timer_set(struct sta_info *sta, int timeout)
add_timer(&sta->plink_timer);
}
+static bool llid_in_use(struct ieee80211_sub_if_data *sdata,
+ u16 llid)
+{
+ struct ieee80211_local *local = sdata->local;
+ bool in_use = false;
+ struct sta_info *sta;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(sta, &local->sta_list, list) {
+ if (!memcmp(&sta->llid, &llid, sizeof(llid))) {
+ in_use = true;
+ break;
+ }
+ }
+ rcu_read_unlock();
+
+ return in_use;
+}
+
+static u16 mesh_get_new_llid(struct ieee80211_sub_if_data *sdata)
+{
+ u16 llid;
+
+ do {
+ get_random_bytes(&llid, sizeof(llid));
+ /* for mesh PS we still only have the AID range for TIM bits */
+ llid = (llid % IEEE80211_MAX_AID) + 1;
+ } while (llid_in_use(sdata, llid));
+
+ return llid;
+}
+
u32 mesh_plink_open(struct sta_info *sta)
{
- __le16 llid;
struct ieee80211_sub_if_data *sdata = sta->sdata;
u32 changed;
return 0;
spin_lock_bh(&sta->lock);
- get_random_bytes(&llid, 2);
- sta->llid = llid;
+ sta->llid = mesh_get_new_llid(sdata);
if (sta->plink_state != NL80211_PLINK_LISTEN &&
sta->plink_state != NL80211_PLINK_BLOCKED) {
spin_unlock_bh(&sta->lock);
changed = ieee80211_mps_local_status_update(sdata);
mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_OPEN,
- sta->sta.addr, llid, 0, 0);
+ sta->sta.addr, sta->llid, 0, 0);
return changed;
}
return changed;
}
-
-void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt, size_t len,
- struct ieee80211_rx_status *rx_status)
+static void mesh_plink_close(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta,
+ enum plink_event event)
{
struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg;
- struct ieee802_11_elems elems;
- struct sta_info *sta;
- enum plink_event event;
- enum ieee80211_self_protected_actioncode ftype;
- size_t baselen;
- bool matches_local = true;
- u8 ie_len;
- u8 *baseaddr;
- u32 changed = 0;
- __le16 plid, llid, reason;
-
- /* need action_code, aux */
- if (len < IEEE80211_MIN_ACTION_SIZE + 3)
- return;
-
- if (sdata->u.mesh.user_mpm)
- /* userspace must register for these */
- return;
-
- if (is_multicast_ether_addr(mgmt->da)) {
- mpl_dbg(sdata,
- "Mesh plink: ignore frame from multicast address\n");
- return;
- }
-
- baseaddr = mgmt->u.action.u.self_prot.variable;
- baselen = (u8 *) mgmt->u.action.u.self_prot.variable - (u8 *) mgmt;
- if (mgmt->u.action.u.self_prot.action_code ==
- WLAN_SP_MESH_PEERING_CONFIRM) {
- baseaddr += 4;
- baselen += 4;
- }
- ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems);
-
- if (!elems.peering) {
- mpl_dbg(sdata,
- "Mesh plink: missing necessary peer link ie\n");
- return;
- }
- if (elems.rsn_len &&
- sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) {
- mpl_dbg(sdata,
- "Mesh plink: can't establish link with secure peer\n");
- return;
- }
+ u16 reason = (event == CLS_ACPT) ?
+ WLAN_REASON_MESH_CLOSE : WLAN_REASON_MESH_CONFIG;
- ftype = mgmt->u.action.u.self_prot.action_code;
- ie_len = elems.peering_len;
- if ((ftype == WLAN_SP_MESH_PEERING_OPEN && ie_len != 4) ||
- (ftype == WLAN_SP_MESH_PEERING_CONFIRM && ie_len != 6) ||
- (ftype == WLAN_SP_MESH_PEERING_CLOSE && ie_len != 6
- && ie_len != 8)) {
- mpl_dbg(sdata,
- "Mesh plink: incorrect plink ie length %d %d\n",
- ftype, ie_len);
- return;
- }
-
- if (ftype != WLAN_SP_MESH_PEERING_CLOSE &&
- (!elems.mesh_id || !elems.mesh_config)) {
- mpl_dbg(sdata, "Mesh plink: missing necessary ie\n");
- return;
- }
- /* Note the lines below are correct, the llid in the frame is the plid
- * from the point of view of this host.
- */
- memcpy(&plid, PLINK_GET_LLID(elems.peering), 2);
- if (ftype == WLAN_SP_MESH_PEERING_CONFIRM ||
- (ftype == WLAN_SP_MESH_PEERING_CLOSE && ie_len == 8))
- memcpy(&llid, PLINK_GET_PLID(elems.peering), 2);
-
- /* WARNING: Only for sta pointer, is dropped & re-acquired */
- rcu_read_lock();
-
- sta = sta_info_get(sdata, mgmt->sa);
- if (!sta && ftype != WLAN_SP_MESH_PEERING_OPEN) {
- mpl_dbg(sdata, "Mesh plink: cls or cnf from unknown peer\n");
- rcu_read_unlock();
- return;
- }
-
- if (ftype == WLAN_SP_MESH_PEERING_OPEN &&
- !rssi_threshold_check(sta, sdata)) {
- mpl_dbg(sdata, "Mesh plink: %pM does not meet rssi threshold\n",
- mgmt->sa);
- rcu_read_unlock();
- return;
- }
-
- if (sta && !test_sta_flag(sta, WLAN_STA_AUTH)) {
- mpl_dbg(sdata, "Mesh plink: Action frame from non-authed peer\n");
- rcu_read_unlock();
- return;
- }
+ sta->reason = reason;
+ sta->plink_state = NL80211_PLINK_HOLDING;
+ mod_plink_timer(sta, mshcfg->dot11MeshHoldingTimeout);
+}
- if (sta && sta->plink_state == NL80211_PLINK_BLOCKED) {
- rcu_read_unlock();
- return;
- }
+static u32 mesh_plink_establish(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta)
+{
+ struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg;
+ u32 changed = 0;
- /* Now we will figure out the appropriate event... */
- event = PLINK_UNDEFINED;
- if (ftype != WLAN_SP_MESH_PEERING_CLOSE &&
- !mesh_matches_local(sdata, &elems)) {
- matches_local = false;
- switch (ftype) {
- case WLAN_SP_MESH_PEERING_OPEN:
- event = OPN_RJCT;
- break;
- case WLAN_SP_MESH_PEERING_CONFIRM:
- event = CNF_RJCT;
- break;
- default:
- break;
- }
- }
+ del_timer(&sta->plink_timer);
+ sta->plink_state = NL80211_PLINK_ESTAB;
+ changed |= mesh_plink_inc_estab_count(sdata);
+ changed |= mesh_set_ht_prot_mode(sdata);
+ changed |= mesh_set_short_slot_time(sdata);
+ mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n", sta->sta.addr);
+ ieee80211_mps_sta_status_update(sta);
+ changed |= ieee80211_mps_set_sta_local_pm(sta, mshcfg->power_mode);
+ return changed;
+}
- if (!sta && !matches_local) {
- rcu_read_unlock();
- reason = cpu_to_le16(WLAN_REASON_MESH_CONFIG);
- llid = 0;
- mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
- mgmt->sa, llid, plid, reason);
- return;
- } else if (!sta) {
- /* ftype == WLAN_SP_MESH_PEERING_OPEN */
- if (!mesh_plink_free_count(sdata)) {
- mpl_dbg(sdata, "Mesh plink error: no more free plinks\n");
- rcu_read_unlock();
- return;
- }
- event = OPN_ACPT;
- } else if (matches_local) {
- switch (ftype) {
- case WLAN_SP_MESH_PEERING_OPEN:
- if (!mesh_plink_free_count(sdata) ||
- (sta->plid && sta->plid != plid))
- event = OPN_IGNR;
- else
- event = OPN_ACPT;
- break;
- case WLAN_SP_MESH_PEERING_CONFIRM:
- if (!mesh_plink_free_count(sdata) ||
- (sta->llid != llid || sta->plid != plid))
- event = CNF_IGNR;
- else
- event = CNF_ACPT;
- break;
- case WLAN_SP_MESH_PEERING_CLOSE:
- if (sta->plink_state == NL80211_PLINK_ESTAB)
- /* Do not check for llid or plid. This does not
- * follow the standard but since multiple plinks
- * per sta are not supported, it is necessary in
- * order to avoid a livelock when MP A sees an
- * establish peer link to MP B but MP B does not
- * see it. This can be caused by a timeout in
- * B's peer link establishment or B beign
- * restarted.
- */
- event = CLS_ACPT;
- else if (sta->plid != plid)
- event = CLS_IGNR;
- else if (ie_len == 7 && sta->llid != llid)
- event = CLS_IGNR;
- else
- event = CLS_ACPT;
- break;
- default:
- mpl_dbg(sdata, "Mesh plink: unknown frame subtype\n");
- rcu_read_unlock();
- return;
- }
- }
+/**
+ * mesh_plink_fsm - step @sta MPM based on @event
+ *
+ * @sdata: interface
+ * @sta: mesh neighbor
+ * @event: peering event
+ *
+ * Return: changed MBSS flags
+ */
+static u32 mesh_plink_fsm(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta, enum plink_event event)
+{
+ struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg;
+ enum ieee80211_self_protected_actioncode action = 0;
+ u32 changed = 0;
- if (event == OPN_ACPT) {
- rcu_read_unlock();
- /* allocate sta entry if necessary and update info */
- sta = mesh_sta_info_get(sdata, mgmt->sa, &elems);
- if (!sta) {
- mpl_dbg(sdata, "Mesh plink: failed to init peer!\n");
- rcu_read_unlock();
- return;
- }
- }
+ mpl_dbg(sdata, "peer %pM in state %s got event %s\n", sta->sta.addr,
+ mplstates[sta->plink_state], mplevents[event]);
- mpl_dbg(sdata, "peer %pM in state %s got event %s\n", mgmt->sa,
- mplstates[sta->plink_state], mplevents[event]);
- reason = 0;
spin_lock_bh(&sta->lock);
switch (sta->plink_state) {
- /* spin_unlock as soon as state is updated at each case */
case NL80211_PLINK_LISTEN:
switch (event) {
case CLS_ACPT:
mesh_plink_fsm_restart(sta);
- spin_unlock_bh(&sta->lock);
break;
case OPN_ACPT:
sta->plink_state = NL80211_PLINK_OPN_RCVD;
- sta->plid = plid;
- get_random_bytes(&llid, 2);
- sta->llid = llid;
+ sta->llid = mesh_get_new_llid(sdata);
mesh_plink_timer_set(sta,
mshcfg->dot11MeshRetryTimeout);
/* set the non-peer mode to active during peering */
changed |= ieee80211_mps_local_status_update(sdata);
-
- spin_unlock_bh(&sta->lock);
- mesh_plink_frame_tx(sdata,
- WLAN_SP_MESH_PEERING_OPEN,
- sta->sta.addr, llid, 0, 0);
- mesh_plink_frame_tx(sdata,
- WLAN_SP_MESH_PEERING_CONFIRM,
- sta->sta.addr, llid, plid, 0);
+ action = WLAN_SP_MESH_PEERING_OPEN;
break;
default:
- spin_unlock_bh(&sta->lock);
break;
}
break;
-
case NL80211_PLINK_OPN_SNT:
switch (event) {
case OPN_RJCT:
case CNF_RJCT:
- reason = cpu_to_le16(WLAN_REASON_MESH_CONFIG);
case CLS_ACPT:
- if (!reason)
- reason = cpu_to_le16(WLAN_REASON_MESH_CLOSE);
- sta->reason = reason;
- sta->plink_state = NL80211_PLINK_HOLDING;
- if (!mod_plink_timer(sta,
- mshcfg->dot11MeshHoldingTimeout))
- sta->ignore_plink_timer = true;
-
- llid = sta->llid;
- spin_unlock_bh(&sta->lock);
- mesh_plink_frame_tx(sdata,
- WLAN_SP_MESH_PEERING_CLOSE,
- sta->sta.addr, llid, plid, reason);
+ mesh_plink_close(sdata, sta, event);
+ action = WLAN_SP_MESH_PEERING_CLOSE;
break;
case OPN_ACPT:
/* retry timer is left untouched */
sta->plink_state = NL80211_PLINK_OPN_RCVD;
- sta->plid = plid;
- llid = sta->llid;
- spin_unlock_bh(&sta->lock);
- mesh_plink_frame_tx(sdata,
- WLAN_SP_MESH_PEERING_CONFIRM,
- sta->sta.addr, llid, plid, 0);
+ action = WLAN_SP_MESH_PEERING_CONFIRM;
break;
case CNF_ACPT:
sta->plink_state = NL80211_PLINK_CNF_RCVD;
if (!mod_plink_timer(sta,
mshcfg->dot11MeshConfirmTimeout))
sta->ignore_plink_timer = true;
-
- spin_unlock_bh(&sta->lock);
break;
default:
- spin_unlock_bh(&sta->lock);
break;
}
break;
-
case NL80211_PLINK_OPN_RCVD:
switch (event) {
case OPN_RJCT:
case CNF_RJCT:
- reason = cpu_to_le16(WLAN_REASON_MESH_CONFIG);
case CLS_ACPT:
- if (!reason)
- reason = cpu_to_le16(WLAN_REASON_MESH_CLOSE);
- sta->reason = reason;
- sta->plink_state = NL80211_PLINK_HOLDING;
- if (!mod_plink_timer(sta,
- mshcfg->dot11MeshHoldingTimeout))
- sta->ignore_plink_timer = true;
-
- llid = sta->llid;
- spin_unlock_bh(&sta->lock);
- mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
- sta->sta.addr, llid, plid, reason);
+ mesh_plink_close(sdata, sta, event);
+ action = WLAN_SP_MESH_PEERING_CLOSE;
break;
case OPN_ACPT:
- llid = sta->llid;
- spin_unlock_bh(&sta->lock);
- mesh_plink_frame_tx(sdata,
- WLAN_SP_MESH_PEERING_CONFIRM,
- sta->sta.addr, llid, plid, 0);
+ action = WLAN_SP_MESH_PEERING_CONFIRM;
break;
case CNF_ACPT:
- del_timer(&sta->plink_timer);
- sta->plink_state = NL80211_PLINK_ESTAB;
- spin_unlock_bh(&sta->lock);
- changed |= mesh_plink_inc_estab_count(sdata);
- changed |= mesh_set_ht_prot_mode(sdata);
- changed |= mesh_set_short_slot_time(sdata);
- mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n",
- sta->sta.addr);
- ieee80211_mps_sta_status_update(sta);
- changed |= ieee80211_mps_set_sta_local_pm(sta,
- mshcfg->power_mode);
+ changed |= mesh_plink_establish(sdata, sta);
break;
default:
- spin_unlock_bh(&sta->lock);
break;
}
break;
-
case NL80211_PLINK_CNF_RCVD:
switch (event) {
case OPN_RJCT:
case CNF_RJCT:
- reason = cpu_to_le16(WLAN_REASON_MESH_CONFIG);
case CLS_ACPT:
- if (!reason)
- reason = cpu_to_le16(WLAN_REASON_MESH_CLOSE);
- sta->reason = reason;
- sta->plink_state = NL80211_PLINK_HOLDING;
- if (!mod_plink_timer(sta,
- mshcfg->dot11MeshHoldingTimeout))
- sta->ignore_plink_timer = true;
-
- llid = sta->llid;
- spin_unlock_bh(&sta->lock);
- mesh_plink_frame_tx(sdata,
- WLAN_SP_MESH_PEERING_CLOSE,
- sta->sta.addr, llid, plid, reason);
+ mesh_plink_close(sdata, sta, event);
+ action = WLAN_SP_MESH_PEERING_CLOSE;
break;
case OPN_ACPT:
- del_timer(&sta->plink_timer);
- sta->plink_state = NL80211_PLINK_ESTAB;
- spin_unlock_bh(&sta->lock);
- changed |= mesh_plink_inc_estab_count(sdata);
- changed |= mesh_set_ht_prot_mode(sdata);
- changed |= mesh_set_short_slot_time(sdata);
- mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n",
- sta->sta.addr);
- mesh_plink_frame_tx(sdata,
- WLAN_SP_MESH_PEERING_CONFIRM,
- sta->sta.addr, llid, plid, 0);
- ieee80211_mps_sta_status_update(sta);
- changed |= ieee80211_mps_set_sta_local_pm(sta,
- mshcfg->power_mode);
+ changed |= mesh_plink_establish(sdata, sta);
+ action = WLAN_SP_MESH_PEERING_CONFIRM;
break;
default:
- spin_unlock_bh(&sta->lock);
break;
}
break;
-
case NL80211_PLINK_ESTAB:
switch (event) {
case CLS_ACPT:
- reason = cpu_to_le16(WLAN_REASON_MESH_CLOSE);
- sta->reason = reason;
changed |= __mesh_plink_deactivate(sta);
- sta->plink_state = NL80211_PLINK_HOLDING;
- llid = sta->llid;
- mod_plink_timer(sta, mshcfg->dot11MeshHoldingTimeout);
- spin_unlock_bh(&sta->lock);
changed |= mesh_set_ht_prot_mode(sdata);
changed |= mesh_set_short_slot_time(sdata);
- mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
- sta->sta.addr, llid, plid, reason);
+ mesh_plink_close(sdata, sta, event);
+ action = WLAN_SP_MESH_PEERING_CLOSE;
break;
case OPN_ACPT:
- llid = sta->llid;
- spin_unlock_bh(&sta->lock);
- mesh_plink_frame_tx(sdata,
- WLAN_SP_MESH_PEERING_CONFIRM,
- sta->sta.addr, llid, plid, 0);
+ action = WLAN_SP_MESH_PEERING_CONFIRM;
break;
default:
- spin_unlock_bh(&sta->lock);
break;
}
break;
if (del_timer(&sta->plink_timer))
sta->ignore_plink_timer = 1;
mesh_plink_fsm_restart(sta);
- spin_unlock_bh(&sta->lock);
break;
case OPN_ACPT:
case CNF_ACPT:
case OPN_RJCT:
case CNF_RJCT:
- llid = sta->llid;
- reason = sta->reason;
- spin_unlock_bh(&sta->lock);
- mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
- sta->sta.addr, llid, plid, reason);
+ action = WLAN_SP_MESH_PEERING_CLOSE;
break;
default:
- spin_unlock_bh(&sta->lock);
+ break;
}
break;
default:
/* should not get here, PLINK_BLOCKED is dealt with at the
* beginning of the function
*/
- spin_unlock_bh(&sta->lock);
break;
}
+ spin_unlock_bh(&sta->lock);
+ if (action) {
+ mesh_plink_frame_tx(sdata, action, sta->sta.addr,
+ sta->llid, sta->plid, sta->reason);
+
+ /* also send confirm in open case */
+ if (action == WLAN_SP_MESH_PEERING_OPEN) {
+ mesh_plink_frame_tx(sdata,
+ WLAN_SP_MESH_PEERING_CONFIRM,
+ sta->sta.addr, sta->llid,
+ sta->plid, 0);
+ }
+ }
+
+ return changed;
+}
+
+/*
+ * mesh_plink_get_event - get correct MPM event
+ *
+ * @sdata: interface
+ * @sta: peer, leave NULL if processing a frame from a new suitable peer
+ * @elems: peering management IEs
+ * @ftype: frame type
+ * @llid: peer's peer link ID
+ * @plid: peer's local link ID
+ *
+ * Return: new peering event for @sta, but PLINK_UNDEFINED should be treated as
+ * an error.
+ */
+static enum plink_event
+mesh_plink_get_event(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta,
+ struct ieee802_11_elems *elems,
+ enum ieee80211_self_protected_actioncode ftype,
+ u16 llid, u16 plid)
+{
+ enum plink_event event = PLINK_UNDEFINED;
+ u8 ie_len = elems->peering_len;
+ bool matches_local;
+
+ matches_local = (ftype == WLAN_SP_MESH_PEERING_CLOSE ||
+ mesh_matches_local(sdata, elems));
+
+ /* deny open request from non-matching peer */
+ if (!matches_local && !sta) {
+ event = OPN_RJCT;
+ goto out;
+ }
+
+ if (!sta) {
+ if (ftype != WLAN_SP_MESH_PEERING_OPEN) {
+ mpl_dbg(sdata, "Mesh plink: cls or cnf from unknown peer\n");
+ goto out;
+ }
+ /* ftype == WLAN_SP_MESH_PEERING_OPEN */
+ if (!mesh_plink_free_count(sdata)) {
+ mpl_dbg(sdata, "Mesh plink error: no more free plinks\n");
+ goto out;
+ }
+ } else {
+ if (!test_sta_flag(sta, WLAN_STA_AUTH)) {
+ mpl_dbg(sdata, "Mesh plink: Action frame from non-authed peer\n");
+ goto out;
+ }
+ if (sta->plink_state == NL80211_PLINK_BLOCKED)
+ goto out;
+ }
+
+ /* new matching peer */
+ if (!sta) {
+ event = OPN_ACPT;
+ goto out;
+ }
+
+ switch (ftype) {
+ case WLAN_SP_MESH_PEERING_OPEN:
+ if (!matches_local)
+ event = OPN_RJCT;
+ if (!mesh_plink_free_count(sdata) ||
+ (sta->plid && sta->plid != plid))
+ event = OPN_IGNR;
+ else
+ event = OPN_ACPT;
+ break;
+ case WLAN_SP_MESH_PEERING_CONFIRM:
+ if (!matches_local)
+ event = CNF_RJCT;
+ if (!mesh_plink_free_count(sdata) ||
+ (sta->llid != llid || sta->plid != plid))
+ event = CNF_IGNR;
+ else
+ event = CNF_ACPT;
+ break;
+ case WLAN_SP_MESH_PEERING_CLOSE:
+ if (sta->plink_state == NL80211_PLINK_ESTAB)
+ /* Do not check for llid or plid. This does not
+ * follow the standard but since multiple plinks
+ * per sta are not supported, it is necessary in
+ * order to avoid a livelock when MP A sees an
+ * establish peer link to MP B but MP B does not
+ * see it. This can be caused by a timeout in
+ * B's peer link establishment or B beign
+ * restarted.
+ */
+ event = CLS_ACPT;
+ else if (sta->plid != plid)
+ event = CLS_IGNR;
+ else if (ie_len == 8 && sta->llid != llid)
+ event = CLS_IGNR;
+ else
+ event = CLS_ACPT;
+ break;
+ default:
+ mpl_dbg(sdata, "Mesh plink: unknown frame subtype\n");
+ break;
+ }
+
+out:
+ return event;
+}
+static void
+mesh_process_plink_frame(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ struct ieee802_11_elems *elems)
+{
+
+ struct sta_info *sta;
+ enum plink_event event;
+ enum ieee80211_self_protected_actioncode ftype;
+ u32 changed = 0;
+ u8 ie_len = elems->peering_len;
+ __le16 _plid, _llid;
+ u16 plid, llid = 0;
+
+ if (!elems->peering) {
+ mpl_dbg(sdata,
+ "Mesh plink: missing necessary peer link ie\n");
+ return;
+ }
+
+ if (elems->rsn_len &&
+ sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) {
+ mpl_dbg(sdata,
+ "Mesh plink: can't establish link with secure peer\n");
+ return;
+ }
+
+ ftype = mgmt->u.action.u.self_prot.action_code;
+ if ((ftype == WLAN_SP_MESH_PEERING_OPEN && ie_len != 4) ||
+ (ftype == WLAN_SP_MESH_PEERING_CONFIRM && ie_len != 6) ||
+ (ftype == WLAN_SP_MESH_PEERING_CLOSE && ie_len != 6
+ && ie_len != 8)) {
+ mpl_dbg(sdata,
+ "Mesh plink: incorrect plink ie length %d %d\n",
+ ftype, ie_len);
+ return;
+ }
+
+ if (ftype != WLAN_SP_MESH_PEERING_CLOSE &&
+ (!elems->mesh_id || !elems->mesh_config)) {
+ mpl_dbg(sdata, "Mesh plink: missing necessary ie\n");
+ return;
+ }
+ /* Note the lines below are correct, the llid in the frame is the plid
+ * from the point of view of this host.
+ */
+ memcpy(&_plid, PLINK_GET_LLID(elems->peering), sizeof(__le16));
+ plid = le16_to_cpu(_plid);
+ if (ftype == WLAN_SP_MESH_PEERING_CONFIRM ||
+ (ftype == WLAN_SP_MESH_PEERING_CLOSE && ie_len == 8)) {
+ memcpy(&_llid, PLINK_GET_PLID(elems->peering), sizeof(__le16));
+ llid = le16_to_cpu(_llid);
+ }
+
+ /* WARNING: Only for sta pointer, is dropped & re-acquired */
+ rcu_read_lock();
+
+ sta = sta_info_get(sdata, mgmt->sa);
+
+ if (ftype == WLAN_SP_MESH_PEERING_OPEN &&
+ !rssi_threshold_check(sdata, sta)) {
+ mpl_dbg(sdata, "Mesh plink: %pM does not meet rssi threshold\n",
+ mgmt->sa);
+ goto unlock_rcu;
+ }
+
+ /* Now we will figure out the appropriate event... */
+ event = mesh_plink_get_event(sdata, sta, elems, ftype, llid, plid);
+
+ if (event == OPN_ACPT) {
+ rcu_read_unlock();
+ /* allocate sta entry if necessary and update info */
+ sta = mesh_sta_info_get(sdata, mgmt->sa, elems);
+ if (!sta) {
+ mpl_dbg(sdata, "Mesh plink: failed to init peer!\n");
+ goto unlock_rcu;
+ }
+ sta->plid = plid;
+ } else if (!sta && event == OPN_RJCT) {
+ mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
+ mgmt->sa, 0, plid,
+ WLAN_REASON_MESH_CONFIG);
+ goto unlock_rcu;
+ } else if (!sta || event == PLINK_UNDEFINED) {
+ /* something went wrong */
+ goto unlock_rcu;
+ }
+
+ changed |= mesh_plink_fsm(sdata, sta, event);
+
+unlock_rcu:
rcu_read_unlock();
if (changed)
ieee80211_mbss_info_change_notify(sdata, changed);
}
+
+void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt, size_t len,
+ struct ieee80211_rx_status *rx_status)
+{
+ struct ieee802_11_elems elems;
+ size_t baselen;
+ u8 *baseaddr;
+
+ /* need action_code, aux */
+ if (len < IEEE80211_MIN_ACTION_SIZE + 3)
+ return;
+
+ if (sdata->u.mesh.user_mpm)
+ /* userspace must register for these */
+ return;
+
+ if (is_multicast_ether_addr(mgmt->da)) {
+ mpl_dbg(sdata,
+ "Mesh plink: ignore frame from multicast address\n");
+ return;
+ }
+
+ baseaddr = mgmt->u.action.u.self_prot.variable;
+ baselen = (u8 *) mgmt->u.action.u.self_prot.variable - (u8 *) mgmt;
+ if (mgmt->u.action.u.self_prot.action_code ==
+ WLAN_SP_MESH_PEERING_CONFIRM) {
+ baseaddr += 4;
+ baselen += 4;
+ }
+ ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems);
+ mesh_process_plink_frame(sdata, mgmt, &elems);
+}
int ac, buffer_local = 0;
bool has_buffered = false;
- /* TIM map only for LLID <= IEEE80211_MAX_AID */
if (sta->plink_state == NL80211_PLINK_ESTAB)
has_buffered = ieee80211_check_tim(elems->tim, elems->tim_len,
- le16_to_cpu(sta->llid) % IEEE80211_MAX_AID);
+ sta->llid);
if (has_buffered)
mps_dbg(sta->sdata, "%pM indicates buffered frames\n",
if (stype != IEEE80211_STYPE_BEACON)
return;
- /* The current tsf is a first approximation for the timestamp
- * for the received beacon. Further down we try to get a
- * better value from the rx_status->mactime field if
- * available. Also we have to call drv_get_tsf() before
- * entering the rcu-read section.*/
- t_r = drv_get_tsf(local, sdata);
+ /*
+ * Get time when timestamp field was received. If we don't
+ * have rx timestamps, then use current tsf as an approximation.
+ * drv_get_tsf() must be called before entering the rcu-read
+ * section.
+ */
+ if (ieee80211_have_rx_timestamp(rx_status))
+ t_r = ieee80211_calculate_rx_timestamp(local, rx_status,
+ 24 + 12 +
+ elems->total_len +
+ FCS_LEN,
+ 24);
+ else
+ t_r = drv_get_tsf(local, sdata);
rcu_read_lock();
sta = sta_info_get(sdata, mgmt->sa);
goto no_sync;
}
- if (ieee80211_have_rx_timestamp(rx_status))
- /* time when timestamp field was received */
- t_r = ieee80211_calculate_rx_timestamp(local, rx_status,
- 24 + 12 +
- elems->total_len +
- FCS_LEN,
- 24);
-
/* Timing offset calculation (see 13.13.2.2.2) */
t_t = le64_to_cpu(mgmt->u.beacon.timestamp);
sta->t_offset = t_t - t_r;
if (WARN_ON_ONCE(!sta))
return -EINVAL;
+ /*
+ * if bss configuration changed store the new one -
+ * this may be applicable even if channel is identical
+ */
+ ht_opmode = le16_to_cpu(ht_oper->operation_mode);
+ if (sdata->vif.bss_conf.ht_operation_mode != ht_opmode) {
+ *changed |= BSS_CHANGED_HT;
+ sdata->vif.bss_conf.ht_operation_mode = ht_opmode;
+ }
+
chan = sdata->vif.bss_conf.chandef.chan;
sband = local->hw.wiphy->bands[chan->band];
IEEE80211_RC_BW_CHANGED);
}
- ht_opmode = le16_to_cpu(ht_oper->operation_mode);
-
- /* if bss configuration changed store the new one */
- if (sdata->vif.bss_conf.ht_operation_mode != ht_opmode) {
- *changed |= BSS_CHANGED_HT;
- sdata->vif.bss_conf.ht_operation_mode = ht_opmode;
- }
-
return 0;
}
}
/* if present, add any custom IEs that go before HT */
- if (assoc_data->ie_len && assoc_data->ie) {
+ if (assoc_data->ie_len) {
static const u8 before_ht[] = {
WLAN_EID_SSID,
WLAN_EID_SUPP_RATES,
&assoc_data->ap_vht_cap);
/* if present, add any custom non-vendor IEs that go after HT */
- if (assoc_data->ie_len && assoc_data->ie) {
+ if (assoc_data->ie_len) {
noffset = ieee80211_ie_split_vendor(assoc_data->ie,
assoc_data->ie_len,
offset);
}
/* add any remaining custom (i.e. vendor specific here) IEs */
- if (assoc_data->ie_len && assoc_data->ie) {
+ if (assoc_data->ie_len) {
noffset = assoc_data->ie_len;
pos = skb_put(skb, noffset - offset);
memcpy(pos, assoc_data->ie + offset, noffset - offset);
if (!ifmgd->associated)
goto out;
- ret = ieee80211_vif_change_channel(sdata, &local->csa_chandef,
- &changed);
+ ret = ieee80211_vif_change_channel(sdata, &changed);
if (ret) {
sdata_info(sdata,
"vif channel switch failed, disconnecting\n");
}
if (!local->use_chanctx) {
- local->_oper_chandef = local->csa_chandef;
+ local->_oper_chandef = sdata->csa_chandef;
/* Call "hw_config" only if doing sw channel switch.
* Otherwise update the channel directly
*/
}
/* XXX: shouldn't really modify cfg80211-owned data! */
- ifmgd->associated->channel = local->csa_chandef.chan;
+ ifmgd->associated->channel = sdata->csa_chandef.chan;
/* XXX: wait for a beacon first? */
ieee80211_wake_queues_by_reason(&local->hw,
}
mutex_unlock(&local->chanctx_mtx);
- local->csa_chandef = csa_ie.chandef;
+ sdata->csa_chandef = csa_ie.chandef;
if (csa_ie.mode)
ieee80211_stop_queues_by_reason(&local->hw,
struct ieee80211_sub_if_data *sdata =
container_of(delayed_work, struct ieee80211_sub_if_data,
dfs_cac_timer_work);
+ struct cfg80211_chan_def chandef = sdata->vif.bss_conf.chandef;
ieee80211_vif_release_channel(sdata);
-
- cfg80211_cac_event(sdata->dev, NL80211_RADAR_CAC_FINISHED, GFP_KERNEL);
+ cfg80211_cac_event(sdata->dev, &chandef,
+ NL80211_RADAR_CAC_FINISHED,
+ GFP_KERNEL);
}
/* MLME */
ifmgd->flags = 0;
ieee80211_vif_release_channel(sdata);
+
+ sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
}
void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
sdata->control_port_protocol = req->crypto.control_port_ethertype;
sdata->control_port_no_encrypt = req->crypto.control_port_no_encrypt;
+ sdata->encrypt_headroom = ieee80211_cs_headroom(local, &req->crypto,
+ sdata->vif.type);
/* kick off associate process */
struct ieee80211_supported_band *sband;
struct ieee80211_chanctx_conf *chanctx_conf;
+ ieee80211_sta_set_rx_nss(sta);
+
if (!ref)
return;
sband = local->hw.wiphy->bands[chanctx_conf->def.chan->band];
- ieee80211_sta_set_rx_nss(sta);
-
ref->ops->rate_init(ref->priv, sband, &chanctx_conf->def, ista,
priv_sta);
rcu_read_unlock();
memset(mi->sample_table, 0xff, SAMPLE_COLUMNS * mi->n_rates);
for (col = 0; col < SAMPLE_COLUMNS; col++) {
+ prandom_bytes(rnd, sizeof(rnd));
for (i = 0; i < mi->n_rates; i++) {
- get_random_bytes(rnd, sizeof(rnd));
new_idx = (i + rnd[i & 7]) % mi->n_rates;
-
while (SAMPLE_TBL(mi, new_idx, col) != 0xff)
new_idx = (new_idx + 1) % mi->n_rates;
static int
minstrel_ht_get_group_idx(struct ieee80211_tx_rate *rate)
{
- return GROUP_IDX((rate->idx / MCS_GROUP_RATES) + 1,
+ return GROUP_IDX((rate->idx / 8) + 1,
!!(rate->flags & IEEE80211_TX_RC_SHORT_GI),
!!(rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH));
}
if (rate->flags & IEEE80211_TX_RC_MCS) {
group = minstrel_ht_get_group_idx(rate);
- idx = rate->idx % MCS_GROUP_RATES;
+ idx = rate->idx % 8;
} else {
group = MINSTREL_CCK_GROUP;
idx = mp->cck_rates[index % ARRAY_SIZE(mp->cck_rates)];
flags = 0;
} else {
- idx = index % MCS_GROUP_RATES +
- (group->streams - 1) * MCS_GROUP_RATES;
+ idx = index % MCS_GROUP_RATES + (group->streams - 1) * 8;
flags = IEEE80211_TX_RC_MCS | group->flags;
}
if (!mi->sample_tries)
return -1;
- mg = &mi->groups[mi->sample_group];
+ sample_group = mi->sample_group;
+ mg = &mi->groups[sample_group];
sample_idx = sample_table[mg->column][mg->index];
+ minstrel_next_sample_idx(mi);
+
+ if (!(mg->supported & BIT(sample_idx)))
+ return -1;
+
mr = &mg->rates[sample_idx];
- sample_group = mi->sample_group;
sample_idx += sample_group * MCS_GROUP_RATES;
- minstrel_next_sample_idx(mi);
/*
* Sampling might add some overhead (RTS, no aggregation)
}
rate->idx = sample_idx % MCS_GROUP_RATES +
- (sample_group->streams - 1) * MCS_GROUP_RATES;
+ (sample_group->streams - 1) * 8;
rate->flags = IEEE80211_TX_RC_MCS | sample_group->flags;
}
memset(sample_table, 0xff, sizeof(sample_table));
for (col = 0; col < SAMPLE_COLUMNS; col++) {
+ prandom_bytes(rnd, sizeof(rnd));
for (i = 0; i < MCS_GROUP_RATES; i++) {
- get_random_bytes(rnd, sizeof(rnd));
new_idx = (i + rnd[i]) % MCS_GROUP_RATES;
-
while (sample_table[col][new_idx] != 0xff)
new_idx = (new_idx + 1) % MCS_GROUP_RATES;
int r = bitrates[j % 4];
p += sprintf(p, " %2u.%1uM", r / 10, r % 10);
} else {
- p += sprintf(p, " MCS%-2u", (mg->streams - 1) *
- MCS_GROUP_RATES + j);
+ p += sprintf(p, " MCS%-2u", (mg->streams - 1) * 8 + j);
}
tp = mr->cur_tp / 10;
return le16_to_cpu(mmie->key_id);
}
+static int iwl80211_get_cs_keyid(const struct ieee80211_cipher_scheme *cs,
+ struct sk_buff *skb)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ __le16 fc;
+ int hdrlen;
+ u8 keyid;
+
+ fc = hdr->frame_control;
+ hdrlen = ieee80211_hdrlen(fc);
+
+ if (skb->len < hdrlen + cs->hdr_len)
+ return -EINVAL;
+
+ skb_copy_bits(skb, hdrlen + cs->key_idx_off, &keyid, 1);
+ keyid &= cs->key_idx_mask;
+ keyid >>= cs->key_idx_shift;
+
+ return keyid;
+}
+
static ieee80211_rx_result ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
lockdep_assert_held(&tid_agg_rx->reorder_lock);
while (ieee80211_sn_less(tid_agg_rx->head_seq_num, head_seq_num)) {
- index = ieee80211_sn_sub(tid_agg_rx->head_seq_num,
- tid_agg_rx->ssn) %
- tid_agg_rx->buf_size;
+ index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;
ieee80211_release_reorder_frame(sdata, tid_agg_rx, index,
frames);
}
lockdep_assert_held(&tid_agg_rx->reorder_lock);
/* release the buffer until next missing frame */
- index = ieee80211_sn_sub(tid_agg_rx->head_seq_num,
- tid_agg_rx->ssn) % tid_agg_rx->buf_size;
+ index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;
if (!tid_agg_rx->reorder_buf[index] &&
tid_agg_rx->stored_mpdu_num) {
/*
} else while (tid_agg_rx->reorder_buf[index]) {
ieee80211_release_reorder_frame(sdata, tid_agg_rx, index,
frames);
- index = ieee80211_sn_sub(tid_agg_rx->head_seq_num,
- tid_agg_rx->ssn) %
- tid_agg_rx->buf_size;
+ index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;
}
if (tid_agg_rx->stored_mpdu_num) {
- j = index = ieee80211_sn_sub(tid_agg_rx->head_seq_num,
- tid_agg_rx->ssn) %
- tid_agg_rx->buf_size;
+ j = index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;
for (; j != (index - 1) % tid_agg_rx->buf_size;
j = (j + 1) % tid_agg_rx->buf_size) {
/* Now the new frame is always in the range of the reordering buffer */
- index = ieee80211_sn_sub(mpdu_seq_num,
- tid_agg_rx->ssn) % tid_agg_rx->buf_size;
+ index = mpdu_seq_num % tid_agg_rx->buf_size;
/* check if we already stored this frame */
if (tid_agg_rx->reorder_buf[index]) {
struct ieee80211_key *sta_ptk = NULL;
int mmie_keyidx = -1;
__le16 fc;
+ const struct ieee80211_cipher_scheme *cs = NULL;
/*
* Key selection 101
/* start without a key */
rx->key = NULL;
+ fc = hdr->frame_control;
- if (rx->sta)
- sta_ptk = rcu_dereference(rx->sta->ptk);
+ if (rx->sta) {
+ int keyid = rx->sta->ptk_idx;
- fc = hdr->frame_control;
+ if (ieee80211_has_protected(fc) && rx->sta->cipher_scheme) {
+ cs = rx->sta->cipher_scheme;
+ keyid = iwl80211_get_cs_keyid(cs, rx->skb);
+ if (unlikely(keyid < 0))
+ return RX_DROP_UNUSABLE;
+ }
+ sta_ptk = rcu_dereference(rx->sta->ptk[keyid]);
+ }
if (!ieee80211_has_protected(fc))
mmie_keyidx = ieee80211_get_mmie_keyidx(rx->skb);
return RX_CONTINUE;
} else {
u8 keyid;
+
/*
* The device doesn't give us the IV so we won't be
* able to look up the key. That's ok though, we
hdrlen = ieee80211_hdrlen(fc);
- if (rx->skb->len < 8 + hdrlen)
- return RX_DROP_UNUSABLE; /* TODO: count this? */
+ if (cs) {
+ keyidx = iwl80211_get_cs_keyid(cs, rx->skb);
- /*
- * no need to call ieee80211_wep_get_keyidx,
- * it verifies a bunch of things we've done already
- */
- skb_copy_bits(rx->skb, hdrlen + 3, &keyid, 1);
- keyidx = keyid >> 6;
+ if (unlikely(keyidx < 0))
+ return RX_DROP_UNUSABLE;
+ } else {
+ if (rx->skb->len < 8 + hdrlen)
+ return RX_DROP_UNUSABLE; /* TODO: count this? */
+ /*
+ * no need to call ieee80211_wep_get_keyidx,
+ * it verifies a bunch of things we've done already
+ */
+ skb_copy_bits(rx->skb, hdrlen + 3, &keyid, 1);
+ keyidx = keyid >> 6;
+ }
/* check per-station GTK first, if multicast packet */
if (is_multicast_ether_addr(hdr->addr1) && rx->sta)
result = ieee80211_crypto_aes_cmac_decrypt(rx);
break;
default:
- /*
- * We can reach here only with HW-only algorithms
- * but why didn't it decrypt the frame?!
- */
- return RX_DROP_UNUSABLE;
+ result = ieee80211_crypto_hw_decrypt(rx);
}
/* the hdr variable is invalid after the decrypt handlers */
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- __le16 reason = cpu_to_le16(WLAN_REASON_MESH_PATH_NOFORWARD);
u16 q, hdrlen;
hdr = (struct ieee80211_hdr *) skb->data;
} else {
/* unable to resolve next hop */
mesh_path_error_tx(sdata, ifmsh->mshcfg.element_ttl,
- fwd_hdr->addr3, 0, reason, fwd_hdr->addr2);
+ fwd_hdr->addr3, 0,
+ WLAN_REASON_MESH_PATH_NOFORWARD,
+ fwd_hdr->addr2);
IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_no_route);
kfree_skb(fwd_skb);
return RX_DROP_MONITOR;
ieee80211_hw_config(local, 0);
if ((req->channels[0]->flags &
- IEEE80211_CHAN_PASSIVE_SCAN) ||
+ IEEE80211_CHAN_NO_IR) ||
!local->scan_req->n_ssids) {
next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
} else {
* TODO: channel switching also consumes quite some time,
* add that delay as well to get a better estimation
*/
- if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+ if (chan->flags & IEEE80211_CHAN_NO_IR)
return IEEE80211_PASSIVE_CHANNEL_TIME;
return IEEE80211_PROBE_DELAY + IEEE80211_CHANNEL_TIME;
}
*
* In any case, it is not necessary for a passive scan.
*/
- if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN ||
+ if (chan->flags & IEEE80211_CHAN_NO_IR ||
!local->scan_req->n_ssids) {
*next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
local->next_scan_state = SCAN_DECISION;
struct ieee80211_channel *tmp_ch =
&local->hw.wiphy->bands[band]->channels[i];
- if (tmp_ch->flags & (IEEE80211_CHAN_NO_IBSS |
+ if (tmp_ch->flags & (IEEE80211_CHAN_NO_IR |
IEEE80211_CHAN_DISABLED))
continue;
local->int_scan_req->n_channels = n_ch;
} else {
- if (WARN_ON_ONCE(chan->flags & (IEEE80211_CHAN_NO_IBSS |
+ if (WARN_ON_ONCE(chan->flags & (IEEE80211_CHAN_NO_IR |
IEEE80211_CHAN_DISABLED)))
goto unlock;
*/
void sta_info_free(struct ieee80211_local *local, struct sta_info *sta)
{
+ int i;
+
if (sta->rate_ctrl)
rate_control_free_sta(sta);
+ if (sta->tx_lat) {
+ for (i = 0; i < IEEE80211_NUM_TIDS; i++)
+ kfree(sta->tx_lat[i].bins);
+ kfree(sta->tx_lat);
+ }
+
sta_dbg(sta->sdata, "Destroyed STA %pM\n", sta->sta.addr);
kfree(sta);
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
struct timespec uptime;
+ struct ieee80211_tx_latency_bin_ranges *tx_latency;
int i;
sta = kzalloc(sizeof(*sta) + local->hw.sta_data_size, gfp);
}
}
+ rcu_read_lock();
+
+ tx_latency = rcu_dereference(local->tx_latency);
+ /* init stations Tx latency statistics && TID bins */
+ if (tx_latency)
+ sta->tx_lat = kzalloc(IEEE80211_NUM_TIDS *
+ sizeof(struct ieee80211_tx_latency_stat),
+ GFP_ATOMIC);
+
+ /*
+ * if Tx latency and bins are enabled and the previous allocation
+ * succeeded
+ */
+ if (tx_latency && tx_latency->n_ranges && sta->tx_lat)
+ for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
+ /* size of bins is size of the ranges +1 */
+ sta->tx_lat[i].bin_count =
+ tx_latency->n_ranges + 1;
+ sta->tx_lat[i].bins = kcalloc(sta->tx_lat[i].bin_count,
+ sizeof(u32),
+ GFP_ATOMIC);
+ }
+
+ rcu_read_unlock();
+
sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr);
return sta;
set_sta_flag(sta, WLAN_STA_INSERTED);
+ ieee80211_recalc_min_chandef(sdata);
ieee80211_sta_debugfs_add(sta);
rate_control_add_sta_debugfs(sta);
#ifdef CONFIG_MAC80211_MESH
} else if (ieee80211_vif_is_mesh(&sta->sdata->vif)) {
ps = &sta->sdata->u.mesh.ps;
- /* TIM map only for PLID <= IEEE80211_MAX_AID */
- id = le16_to_cpu(sta->plid) % IEEE80211_MAX_AID;
+ /* TIM map only for 1 <= PLID <= IEEE80211_MAX_AID */
+ id = sta->plid % (IEEE80211_MAX_AID + 1);
#endif
} else {
return;
rate_control_remove_sta_debugfs(sta);
ieee80211_sta_debugfs_remove(sta);
+ ieee80211_recalc_min_chandef(sdata);
call_rcu(&sta->rcu_head, free_sta_rcu);
u8 dialog_token_allocator;
};
+/*
+ * struct ieee80211_tx_latency_stat - Tx latency statistics
+ *
+ * Measures TX latency and jitter for a station per TID.
+ *
+ * @max: worst case latency
+ * @sum: sum of all latencies
+ * @counter: amount of Tx frames sent from interface
+ * @bins: each bin counts how many frames transmitted within a certain
+ * latency range. when disabled it is NULL.
+ * @bin_count: amount of bins.
+ */
+struct ieee80211_tx_latency_stat {
+ u32 max;
+ u32 sum;
+ u32 counter;
+ u32 *bins;
+ u32 bin_count;
+};
/**
* struct sta_info - STA information
* @hnext: hash table linked list pointer
* @local: pointer to the global information
* @sdata: virtual interface this station belongs to
- * @ptk: peer key negotiated with this station, if any
+ * @ptk: peer keys negotiated with this station, if any
+ * @ptk_idx: last installed peer key index
* @gtk: group keys negotiated with this station, if any
+ * @gtk_idx: last installed group key index
* @rate_ctrl: rate control algorithm reference
* @rate_ctrl_priv: rate control private per-STA pointer
* @last_tx_rate: rate used for last transmit, to report to userspace as
* @tid_seq: per-TID sequence numbers for sending to this STA
* @ampdu_mlme: A-MPDU state machine state
* @timer_to_tid: identity mapping to ID timers
+ * @tx_lat: Tx latency statistics
* @llid: Local link ID
* @plid: Peer link ID
* @reason: Cancel reason on PLINK_HOLDING state
* @chain_signal_avg: signal average (per chain)
* @known_smps_mode: the smps_mode the client thinks we are in. Relevant for
* AP only.
+ * @cipher_scheme: optional cipher scheme for this station
*/
struct sta_info {
/* General information, mostly static */
struct ieee80211_local *local;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_key __rcu *gtk[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
- struct ieee80211_key __rcu *ptk;
+ struct ieee80211_key __rcu *ptk[NUM_DEFAULT_KEYS];
+ u8 gtk_idx;
+ u8 ptk_idx;
struct rate_control_ref *rate_ctrl;
void *rate_ctrl_priv;
spinlock_t lock;
struct sta_ampdu_mlme ampdu_mlme;
u8 timer_to_tid[IEEE80211_NUM_TIDS];
+ struct ieee80211_tx_latency_stat *tx_lat;
+
#ifdef CONFIG_MAC80211_MESH
/*
* Mesh peer link attributes
* TODO: move to a sub-structure that is referenced with pointer?
*/
- __le16 llid;
- __le16 plid;
- __le16 reason;
+ u16 llid;
+ u16 plid;
+ u16 reason;
u8 plink_retries;
bool ignore_plink_timer;
enum nl80211_plink_state plink_state;
unsigned int beacon_loss_count;
enum ieee80211_smps_mode known_smps_mode;
+ const struct ieee80211_cipher_scheme *cipher_scheme;
/* keep last! */
struct ieee80211_sta sta;
#include <linux/export.h>
#include <linux/etherdevice.h>
+#include <linux/time.h>
#include <net/mac80211.h>
#include <asm/unaligned.h>
#include "ieee80211_i.h"
}
}
+/*
+ * Measure Tx frame completion and removal time for Tx latency statistics
+ * calculation. A single Tx frame latency should be measured from when it
+ * is entering the Kernel until we receive Tx complete confirmation indication
+ * and remove the skb.
+ */
+static void ieee80211_tx_latency_end_msrmnt(struct ieee80211_local *local,
+ struct sk_buff *skb,
+ struct sta_info *sta,
+ struct ieee80211_hdr *hdr)
+{
+ ktime_t skb_dprt;
+ struct timespec dprt_time;
+ u32 msrmnt;
+ u16 tid;
+ u8 *qc;
+ int i, bin_range_count, bin_count;
+ u32 *bin_ranges;
+ __le16 fc;
+ struct ieee80211_tx_latency_stat *tx_lat;
+ struct ieee80211_tx_latency_bin_ranges *tx_latency;
+ ktime_t skb_arv = skb->tstamp;
+
+ tx_latency = rcu_dereference(local->tx_latency);
+
+ /* assert Tx latency stats are enabled & frame arrived when enabled */
+ if (!tx_latency || !ktime_to_ns(skb_arv))
+ return;
+
+ fc = hdr->frame_control;
+
+ if (!ieee80211_is_data(fc)) /* make sure it is a data frame */
+ return;
+
+ /* get frame tid */
+ if (ieee80211_is_data_qos(hdr->frame_control)) {
+ qc = ieee80211_get_qos_ctl(hdr);
+ tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
+ } else {
+ tid = 0;
+ }
+
+ tx_lat = &sta->tx_lat[tid];
+
+ ktime_get_ts(&dprt_time); /* time stamp completion time */
+ skb_dprt = ktime_set(dprt_time.tv_sec, dprt_time.tv_nsec);
+ msrmnt = ktime_to_ms(ktime_sub(skb_dprt, skb_arv));
+
+ if (tx_lat->max < msrmnt) /* update stats */
+ tx_lat->max = msrmnt;
+ tx_lat->counter++;
+ tx_lat->sum += msrmnt;
+
+ if (!tx_lat->bins) /* bins not activated */
+ return;
+
+ /* count how many Tx frames transmitted with the appropriate latency */
+ bin_range_count = tx_latency->n_ranges;
+ bin_ranges = tx_latency->ranges;
+ bin_count = tx_lat->bin_count;
+
+ for (i = 0; i < bin_range_count; i++) {
+ if (msrmnt <= bin_ranges[i]) {
+ tx_lat->bins[i]++;
+ break;
+ }
+ }
+ if (i == bin_range_count) /* msrmnt is bigger than the biggest range */
+ tx_lat->bins[i]++;
+}
+
/*
* Use a static threshold for now, best value to be determined
* by testing ...
if (acked)
sta->last_ack_signal = info->status.ack_signal;
+
+ /*
+ * Measure frame removal for tx latency
+ * statistics calculation
+ */
+ ieee80211_tx_latency_end_msrmnt(local, skb, sta, hdr);
}
rcu_read_unlock();
#define CHANDEF_PR_ARG __entry->control_freq, __entry->chan_width, \
__entry->center_freq1, __entry->center_freq2
+#define MIN_CHANDEF_ENTRY \
+ __field(u32, min_control_freq) \
+ __field(u32, min_chan_width) \
+ __field(u32, min_center_freq1) \
+ __field(u32, min_center_freq2)
+
+#define MIN_CHANDEF_ASSIGN(c) \
+ __entry->min_control_freq = (c)->chan ? (c)->chan->center_freq : 0; \
+ __entry->min_chan_width = (c)->width; \
+ __entry->min_center_freq1 = (c)->center_freq1; \
+ __entry->min_center_freq2 = (c)->center_freq2;
+#define MIN_CHANDEF_PR_FMT " min_control:%d MHz min_width:%d min_center: %d/%d MHz"
+#define MIN_CHANDEF_PR_ARG __entry->min_control_freq, __entry->min_chan_width, \
+ __entry->min_center_freq1, __entry->min_center_freq2
+
#define CHANCTX_ENTRY CHANDEF_ENTRY \
+ MIN_CHANDEF_ENTRY \
__field(u8, rx_chains_static) \
__field(u8, rx_chains_dynamic)
#define CHANCTX_ASSIGN CHANDEF_ASSIGN(&ctx->conf.def) \
+ MIN_CHANDEF_ASSIGN(&ctx->conf.min_def) \
__entry->rx_chains_static = ctx->conf.rx_chains_static; \
__entry->rx_chains_dynamic = ctx->conf.rx_chains_dynamic
-#define CHANCTX_PR_FMT CHANDEF_PR_FMT " chains:%d/%d"
-#define CHANCTX_PR_ARG CHANDEF_PR_ARG, \
+#define CHANCTX_PR_FMT CHANDEF_PR_FMT MIN_CHANDEF_PR_FMT " chains:%d/%d"
+#define CHANCTX_PR_ARG CHANDEF_PR_ARG, MIN_CHANDEF_PR_ARG, \
__entry->rx_chains_static, __entry->rx_chains_dynamic
#include <linux/bitmap.h>
#include <linux/rcupdate.h>
#include <linux/export.h>
+#include <linux/time.h>
#include <net/net_namespace.h>
#include <net/ieee80211_radiotap.h>
#include <net/cfg80211.h>
if (unlikely(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT))
tx->key = NULL;
- else if (tx->sta && (key = rcu_dereference(tx->sta->ptk)))
+ else if (tx->sta &&
+ (key = rcu_dereference(tx->sta->ptk[tx->sta->ptk_idx])))
tx->key = key;
else if (ieee80211_is_mgmt(hdr->frame_control) &&
is_multicast_ether_addr(hdr->addr1) &&
rem -= fraglen;
tmp = dev_alloc_skb(local->tx_headroom +
frag_threshold +
- IEEE80211_ENCRYPT_HEADROOM +
+ tx->sdata->encrypt_headroom +
IEEE80211_ENCRYPT_TAILROOM);
if (!tmp)
return -ENOMEM;
__skb_queue_tail(&tx->skbs, tmp);
- skb_reserve(tmp, local->tx_headroom +
- IEEE80211_ENCRYPT_HEADROOM);
+ skb_reserve(tmp,
+ local->tx_headroom + tx->sdata->encrypt_headroom);
+
/* copy control information */
memcpy(tmp->cb, skb->cb, sizeof(tmp->cb));
headroom = local->tx_headroom;
if (may_encrypt)
- headroom += IEEE80211_ENCRYPT_HEADROOM;
+ headroom += sdata->encrypt_headroom;
headroom -= skb_headroom(skb);
headroom = max_t(int, 0, headroom);
* radar detection by itself. We can do that later by adding a
* monitor flag interfaces used for AP support.
*/
- if ((chan->flags & (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_RADAR |
- IEEE80211_CHAN_PASSIVE_SCAN)))
+ if ((chan->flags & (IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_RADAR)))
goto fail_rcu;
ieee80211_xmit(sdata, skb, chan->band);
return NETDEV_TX_OK; /* meaning, we dealt with the skb */
}
+/*
+ * Measure Tx frame arrival time for Tx latency statistics calculation
+ * A single Tx frame latency should be measured from when it is entering the
+ * Kernel until we receive Tx complete confirmation indication and the skb is
+ * freed.
+ */
+static void ieee80211_tx_latency_start_msrmnt(struct ieee80211_local *local,
+ struct sk_buff *skb)
+{
+ struct timespec skb_arv;
+ struct ieee80211_tx_latency_bin_ranges *tx_latency;
+
+ tx_latency = rcu_dereference(local->tx_latency);
+ if (!tx_latency)
+ return;
+
+ ktime_get_ts(&skb_arv);
+ skb->tstamp = ktime_set(skb_arv.tv_sec, skb_arv.tv_nsec);
+}
+
/**
* ieee80211_subif_start_xmit - netif start_xmit function for Ethernet-type
* subinterfaces (wlan#, WDS, and VLAN interfaces)
rcu_read_lock();
+ /* Measure frame arrival for Tx latency statistics calculation */
+ ieee80211_tx_latency_start_msrmnt(local, skb);
+
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP_VLAN:
sta = rcu_dereference(sdata->u.vlan.sta);
*/
if (head_need > 0 || skb_cloned(skb)) {
- head_need += IEEE80211_ENCRYPT_HEADROOM;
+ head_need += sdata->encrypt_headroom;
head_need += local->tx_headroom;
head_need = max_t(int, 0, head_need);
if (ieee80211_skb_resize(sdata, skb, head_need, true)) {
mutex_unlock(&local->chanctx_mtx);
}
+void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_chanctx *chanctx;
+
+ mutex_lock(&local->chanctx_mtx);
+
+ chanctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
+
+ if (WARN_ON_ONCE(!chanctx_conf))
+ goto unlock;
+
+ chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
+ ieee80211_recalc_chanctx_min_def(local, chanctx);
+ unlock:
+ mutex_unlock(&local->chanctx_mtx);
+}
+
static bool ieee80211_id_in_list(const u8 *ids, int n_ids, u8 id)
{
int i;
void ieee80211_dfs_cac_cancel(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
+ struct cfg80211_chan_def chandef;
mutex_lock(&local->iflist_mtx);
list_for_each_entry(sdata, &local->interfaces, list) {
cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
if (sdata->wdev.cac_started) {
+ chandef = sdata->vif.bss_conf.chandef;
ieee80211_vif_release_channel(sdata);
cfg80211_cac_event(sdata->dev,
+ &chandef,
NL80211_RADAR_CAC_ABORTED,
GFP_KERNEL);
}
if (ieee80211_vif_is_mesh(&sdata->vif)) {
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- __le16 pre_value;
skb_put(skb, 8);
*pos++ = WLAN_EID_CHAN_SWITCH_PARAM; /* EID */
ifmsh->pre_value = 1;
else
ifmsh->pre_value++;
- pre_value = cpu_to_le16(ifmsh->pre_value);
- memcpy(pos, &pre_value, 2); /* Precedence Value */
+ put_unaligned_le16(ifmsh->pre_value, pos);/* Precedence Value */
pos += 2;
ifmsh->chsw_init = true;
}
ieee80211_tx_skb(sdata, skb);
return 0;
}
+
+bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs)
+{
+ return !(cs == NULL || cs->cipher == 0 ||
+ cs->hdr_len < cs->pn_len + cs->pn_off ||
+ cs->hdr_len <= cs->key_idx_off ||
+ cs->key_idx_shift > 7 ||
+ cs->key_idx_mask == 0);
+}
+
+bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n)
+{
+ int i;
+
+ /* Ensure we have enough iftype bitmap space for all iftype values */
+ WARN_ON((NUM_NL80211_IFTYPES / 8 + 1) > sizeof(cs[0].iftype));
+
+ for (i = 0; i < n; i++)
+ if (!ieee80211_cs_valid(&cs[i]))
+ return false;
+
+ return true;
+}
+
+const struct ieee80211_cipher_scheme *
+ieee80211_cs_get(struct ieee80211_local *local, u32 cipher,
+ enum nl80211_iftype iftype)
+{
+ const struct ieee80211_cipher_scheme *l = local->hw.cipher_schemes;
+ int n = local->hw.n_cipher_schemes;
+ int i;
+ const struct ieee80211_cipher_scheme *cs = NULL;
+
+ for (i = 0; i < n; i++) {
+ if (l[i].cipher == cipher) {
+ cs = &l[i];
+ break;
+ }
+ }
+
+ if (!cs || !(cs->iftype & BIT(iftype)))
+ return NULL;
+
+ return cs;
+}
+
+int ieee80211_cs_headroom(struct ieee80211_local *local,
+ struct cfg80211_crypto_settings *crypto,
+ enum nl80211_iftype iftype)
+{
+ const struct ieee80211_cipher_scheme *cs;
+ int headroom = IEEE80211_ENCRYPT_HEADROOM;
+ int i;
+
+ for (i = 0; i < crypto->n_ciphers_pairwise; i++) {
+ cs = ieee80211_cs_get(local, crypto->ciphers_pairwise[i],
+ iftype);
+
+ if (cs && headroom < cs->hdr_len)
+ headroom = cs->hdr_len;
+ }
+
+ cs = ieee80211_cs_get(local, crypto->cipher_group, iftype);
+ if (cs && headroom < cs->hdr_len)
+ headroom = cs->hdr_len;
+
+ return headroom;
+}
IEEE80211_VHT_CAP_SHORT_GI_160);
/* remaining ones */
- if (own_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) {
+ if (own_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
vht_cap->cap |= cap_info &
(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
- IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX);
- }
+ IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK);
if (own_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
vht_cap->cap |= cap_info &
(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
- IEEE80211_VHT_CAP_BEAMFORMEE_STS_MAX);
+ IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK);
if (own_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
vht_cap->cap |= cap_info &
return RX_CONTINUE;
}
+static ieee80211_tx_result
+ieee80211_crypto_cs_encrypt(struct ieee80211_tx_data *tx,
+ struct sk_buff *skb)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_key *key = tx->key;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ const struct ieee80211_cipher_scheme *cs = key->sta->cipher_scheme;
+ int hdrlen;
+ u8 *pos;
+
+ if (info->control.hw_key &&
+ !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE)) {
+ /* hwaccel has no need for preallocated head room */
+ return TX_CONTINUE;
+ }
+
+ if (unlikely(skb_headroom(skb) < cs->hdr_len &&
+ pskb_expand_head(skb, cs->hdr_len, 0, GFP_ATOMIC)))
+ return TX_DROP;
+
+ hdrlen = ieee80211_hdrlen(hdr->frame_control);
+
+ pos = skb_push(skb, cs->hdr_len);
+ memmove(pos, pos + cs->hdr_len, hdrlen);
+ skb_set_network_header(skb, skb_network_offset(skb) + cs->hdr_len);
+
+ return TX_CONTINUE;
+}
+
+static inline int ieee80211_crypto_cs_pn_compare(u8 *pn1, u8 *pn2, int len)
+{
+ int i;
+
+ /* pn is little endian */
+ for (i = len - 1; i >= 0; i--) {
+ if (pn1[i] < pn2[i])
+ return -1;
+ else if (pn1[i] > pn2[i])
+ return 1;
+ }
+
+ return 0;
+}
+
+static ieee80211_rx_result
+ieee80211_crypto_cs_decrypt(struct ieee80211_rx_data *rx)
+{
+ struct ieee80211_key *key = rx->key;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+ const struct ieee80211_cipher_scheme *cs = NULL;
+ int hdrlen = ieee80211_hdrlen(hdr->frame_control);
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
+ int data_len;
+ u8 *rx_pn;
+ u8 *skb_pn;
+ u8 qos_tid;
+
+ if (!rx->sta || !rx->sta->cipher_scheme ||
+ !(status->flag & RX_FLAG_DECRYPTED))
+ return RX_DROP_UNUSABLE;
+
+ if (!ieee80211_is_data(hdr->frame_control))
+ return RX_CONTINUE;
+
+ cs = rx->sta->cipher_scheme;
+
+ data_len = rx->skb->len - hdrlen - cs->hdr_len;
+
+ if (data_len < 0)
+ return RX_DROP_UNUSABLE;
+
+ if (ieee80211_is_data_qos(hdr->frame_control))
+ qos_tid = *ieee80211_get_qos_ctl(hdr) &
+ IEEE80211_QOS_CTL_TID_MASK;
+ else
+ qos_tid = 0;
+
+ if (skb_linearize(rx->skb))
+ return RX_DROP_UNUSABLE;
+
+ hdr = (struct ieee80211_hdr *)rx->skb->data;
+
+ rx_pn = key->u.gen.rx_pn[qos_tid];
+ skb_pn = rx->skb->data + hdrlen + cs->pn_off;
+
+ if (ieee80211_crypto_cs_pn_compare(skb_pn, rx_pn, cs->pn_len) <= 0)
+ return RX_DROP_UNUSABLE;
+
+ memcpy(rx_pn, skb_pn, cs->pn_len);
+
+ /* remove security header and MIC */
+ if (pskb_trim(rx->skb, rx->skb->len - cs->mic_len))
+ return RX_DROP_UNUSABLE;
+
+ memmove(rx->skb->data + cs->hdr_len, rx->skb->data, hdrlen);
+ skb_pull(rx->skb, cs->hdr_len);
+
+ return RX_CONTINUE;
+}
static void bip_aad(struct sk_buff *skb, u8 *aad)
{
{
struct sk_buff *skb;
struct ieee80211_tx_info *info = NULL;
+ ieee80211_tx_result res;
skb_queue_walk(&tx->skbs, skb) {
info = IEEE80211_SKB_CB(skb);
/* handle hw-only algorithm */
if (!info->control.hw_key)
return TX_DROP;
+
+ if (tx->key->sta->cipher_scheme) {
+ res = ieee80211_crypto_cs_encrypt(tx, skb);
+ if (res != TX_CONTINUE)
+ return res;
+ }
}
ieee80211_tx_set_protected(tx);
return TX_CONTINUE;
}
+
+ieee80211_rx_result
+ieee80211_crypto_hw_decrypt(struct ieee80211_rx_data *rx)
+{
+ if (rx->sta->cipher_scheme)
+ return ieee80211_crypto_cs_decrypt(rx);
+
+ return RX_DROP_UNUSABLE;
+}
ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx);
ieee80211_tx_result
ieee80211_crypto_hw_encrypt(struct ieee80211_tx_data *tx);
+ieee80211_rx_result
+ieee80211_crypto_hw_decrypt(struct ieee80211_rx_data *rx);
#endif /* WPA_H */
width, dfs_state);
}
+static u32 cfg80211_get_start_freq(u32 center_freq,
+ u32 bandwidth)
+{
+ u32 start_freq;
+
+ if (bandwidth <= 20)
+ start_freq = center_freq;
+ else
+ start_freq = center_freq - bandwidth/2 + 10;
+
+ return start_freq;
+}
+
+static u32 cfg80211_get_end_freq(u32 center_freq,
+ u32 bandwidth)
+{
+ u32 end_freq;
+
+ if (bandwidth <= 20)
+ end_freq = center_freq;
+ else
+ end_freq = center_freq + bandwidth/2 - 10;
+
+ return end_freq;
+}
+
static int cfg80211_get_chans_dfs_required(struct wiphy *wiphy,
u32 center_freq,
u32 bandwidth)
struct ieee80211_channel *c;
u32 freq, start_freq, end_freq;
- if (bandwidth <= 20) {
- start_freq = center_freq;
- end_freq = center_freq;
- } else {
- start_freq = center_freq - bandwidth/2 + 10;
- end_freq = center_freq + bandwidth/2 - 10;
- }
+ start_freq = cfg80211_get_start_freq(center_freq, bandwidth);
+ end_freq = cfg80211_get_end_freq(center_freq, bandwidth);
for (freq = start_freq; freq <= end_freq; freq += 20) {
c = ieee80211_get_channel(wiphy, freq);
}
EXPORT_SYMBOL(cfg80211_chandef_dfs_required);
-static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
- u32 center_freq, u32 bandwidth,
- u32 prohibited_flags)
+static int cfg80211_get_chans_dfs_usable(struct wiphy *wiphy,
+ u32 center_freq,
+ u32 bandwidth)
{
struct ieee80211_channel *c;
u32 freq, start_freq, end_freq;
+ int count = 0;
- if (bandwidth <= 20) {
- start_freq = center_freq;
- end_freq = center_freq;
- } else {
- start_freq = center_freq - bandwidth/2 + 10;
- end_freq = center_freq + bandwidth/2 - 10;
+ start_freq = cfg80211_get_start_freq(center_freq, bandwidth);
+ end_freq = cfg80211_get_end_freq(center_freq, bandwidth);
+
+ /*
+ * Check entire range of channels for the bandwidth.
+ * Check all channels are DFS channels (DFS_USABLE or
+ * DFS_AVAILABLE). Return number of usable channels
+ * (require CAC). Allow DFS and non-DFS channel mix.
+ */
+ for (freq = start_freq; freq <= end_freq; freq += 20) {
+ c = ieee80211_get_channel(wiphy, freq);
+ if (!c)
+ return -EINVAL;
+
+ if (c->flags & IEEE80211_CHAN_DISABLED)
+ return -EINVAL;
+
+ if (c->flags & IEEE80211_CHAN_RADAR) {
+ if (c->dfs_state == NL80211_DFS_UNAVAILABLE)
+ return -EINVAL;
+
+ if (c->dfs_state == NL80211_DFS_USABLE)
+ count++;
+ }
}
+ return count;
+}
+
+bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
+ const struct cfg80211_chan_def *chandef)
+{
+ int width;
+ int r1, r2 = 0;
+
+ if (WARN_ON(!cfg80211_chandef_valid(chandef)))
+ return false;
+
+ width = cfg80211_chandef_get_width(chandef);
+ if (width < 0)
+ return false;
+
+ r1 = cfg80211_get_chans_dfs_usable(wiphy, chandef->center_freq1,
+ width);
+
+ if (r1 < 0)
+ return false;
+
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_80P80:
+ WARN_ON(!chandef->center_freq2);
+ r2 = cfg80211_get_chans_dfs_usable(wiphy,
+ chandef->center_freq2,
+ width);
+ if (r2 < 0)
+ return false;
+ break;
+ default:
+ WARN_ON(chandef->center_freq2);
+ break;
+ }
+
+ return (r1 + r2 > 0);
+}
+
+
+static bool cfg80211_get_chans_dfs_available(struct wiphy *wiphy,
+ u32 center_freq,
+ u32 bandwidth)
+{
+ struct ieee80211_channel *c;
+ u32 freq, start_freq, end_freq;
+
+ start_freq = cfg80211_get_start_freq(center_freq, bandwidth);
+ end_freq = cfg80211_get_end_freq(center_freq, bandwidth);
+
+ /*
+ * Check entire range of channels for the bandwidth.
+ * If any channel in between is disabled or has not
+ * had gone through CAC return false
+ */
for (freq = start_freq; freq <= end_freq; freq += 20) {
c = ieee80211_get_channel(wiphy, freq);
if (!c)
return false;
- /* check for radar flags */
- if ((prohibited_flags & c->flags & IEEE80211_CHAN_RADAR) &&
+ if (c->flags & IEEE80211_CHAN_DISABLED)
+ return false;
+
+ if ((c->flags & IEEE80211_CHAN_RADAR) &&
(c->dfs_state != NL80211_DFS_AVAILABLE))
return false;
+ }
+
+ return true;
+}
+
+static bool cfg80211_chandef_dfs_available(struct wiphy *wiphy,
+ const struct cfg80211_chan_def *chandef)
+{
+ int width;
+ int r;
+
+ if (WARN_ON(!cfg80211_chandef_valid(chandef)))
+ return false;
+
+ width = cfg80211_chandef_get_width(chandef);
+ if (width < 0)
+ return false;
+
+ r = cfg80211_get_chans_dfs_available(wiphy, chandef->center_freq1,
+ width);
+
+ /* If any of channels unavailable for cf1 just return */
+ if (!r)
+ return r;
+
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_80P80:
+ WARN_ON(!chandef->center_freq2);
+ r = cfg80211_get_chans_dfs_available(wiphy,
+ chandef->center_freq2,
+ width);
+ default:
+ WARN_ON(chandef->center_freq2);
+ break;
+ }
+
+ return r;
+}
- /* check for the other flags */
- if (c->flags & prohibited_flags & ~IEEE80211_CHAN_RADAR)
+
+static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
+ u32 center_freq, u32 bandwidth,
+ u32 prohibited_flags)
+{
+ struct ieee80211_channel *c;
+ u32 freq, start_freq, end_freq;
+
+ start_freq = cfg80211_get_start_freq(center_freq, bandwidth);
+ end_freq = cfg80211_get_end_freq(center_freq, bandwidth);
+
+ for (freq = start_freq; freq <= end_freq; freq += 20) {
+ c = ieee80211_get_channel(wiphy, freq);
+ if (!c || c->flags & prohibited_flags)
return false;
}
struct cfg80211_chan_def *chandef)
{
bool res;
+ u32 prohibited_flags = IEEE80211_CHAN_DISABLED |
+ IEEE80211_CHAN_NO_IR |
+ IEEE80211_CHAN_RADAR;
trace_cfg80211_reg_can_beacon(wiphy, chandef);
- res = cfg80211_chandef_usable(wiphy, chandef,
- IEEE80211_CHAN_DISABLED |
- IEEE80211_CHAN_PASSIVE_SCAN |
- IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_RADAR);
+ if (cfg80211_chandef_dfs_required(wiphy, chandef) > 0 &&
+ cfg80211_chandef_dfs_available(wiphy, chandef)) {
+ /* We can skip IEEE80211_CHAN_NO_IR if chandef dfs available */
+ prohibited_flags = IEEE80211_CHAN_DISABLED;
+ }
+
+ res = cfg80211_chandef_usable(wiphy, chandef, prohibited_flags);
trace_cfg80211_return_bool(res);
return res;
: CHAN_MODE_EXCLUSIVE;
return;
}
+ break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
if (wdev->current_bss) {
rdev->wiphy.rts_threshold = (u32) -1;
rdev->wiphy.coverage_class = 0;
- rdev->wiphy.features = NL80211_FEATURE_SCAN_FLUSH;
-
return &rdev->wiphy;
}
EXPORT_SYMBOL(wiphy_new);
/* check and set up bitrates */
ieee80211_set_bitrate_flags(wiphy);
+ rdev->wiphy.features |= NL80211_FEATURE_SCAN_FLUSH;
+
rtnl_lock();
res = device_add(&rdev->wiphy.dev);
if (res) {
if (IS_ERR(rdev->wiphy.debugfsdir))
rdev->wiphy.debugfsdir = NULL;
- if (wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) {
+ if (wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) {
struct regulatory_request request;
request.wiphy_idx = get_wiphy_idx(wiphy);
void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
- struct ieee80211_channel *chan, bool offchan,
- unsigned int wait, const u8 *buf, size_t len,
- bool no_cck, bool dont_wait_for_ack, u64 *cookie);
+ struct cfg80211_mgmt_tx_params *params,
+ u64 *cookie);
void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
const struct ieee80211_ht_cap *ht_capa_mask);
void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
enum cfg80211_chan_mode chanmode,
u8 radar_detect);
+/**
+ * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable
+ * @wiphy: the wiphy to validate against
+ * @chandef: the channel definition to check
+ *
+ * Checks if chandef is usable and we can/need start CAC on such channel.
+ *
+ * Return: Return true if all channels available and at least
+ * one channel require CAC (NL80211_DFS_USABLE)
+ */
+bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
+ const struct cfg80211_chan_def *chandef);
+
void cfg80211_set_dfs_state(struct wiphy *wiphy,
const struct cfg80211_chan_def *chandef,
enum nl80211_dfs_state dfs_state);
regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n"
}
-/^[ \t]*#/ {
- # Ignore
-}
-
-!active && /^[ \t]*$/ {
- # Ignore
-}
-
-!active && /country/ {
+function parse_country_head() {
country=$2
sub(/:/, "", country)
printf "static const struct ieee80211_regdomain regdom_%s = {\n", country
regdb = regdb "\t®dom_" country ",\n"
}
-active && /^[ \t]*\(/ {
+function parse_reg_rule()
+{
start = $1
sub(/\(/, "", start)
end = $3
} else if (flagarray[arg] == "PTMP-ONLY") {
flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | "
} else if (flagarray[arg] == "PASSIVE-SCAN") {
- flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | "
+ flags = flags "\n\t\t\tNL80211_RRF_NO_IR | "
} else if (flagarray[arg] == "NO-IBSS") {
- flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | "
+ flags = flags "\n\t\t\tNL80211_RRF_NO_IR | "
+ } else if (flagarray[arg] == "NO-IR") {
+ flags = flags "\n\t\t\tNL80211_RRF_NO_IR | "
}
+
}
flags = flags "0"
printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags
rules++
}
-active && /^[ \t]*$/ {
+function print_tail_country()
+{
active = 0
printf "\t},\n"
printf "\t.n_reg_rules = %d\n", rules
rules = 0;
}
+/^[ \t]*#/ {
+ # Ignore
+}
+
+!active && /^[ \t]*$/ {
+ # Ignore
+}
+
+!active && /country/ {
+ parse_country_head()
+}
+
+active && /^[ \t]*\(/ {
+ parse_reg_rule()
+}
+
+active && /^[ \t]*$/ {
+ print_tail_country()
+}
+
END {
+ if (active)
+ print_tail_country()
print regdb "};"
print ""
print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);"
for (i = 0; i < sband->n_channels; i++) {
chan = &sband->channels[i];
- if (chan->flags & IEEE80211_CHAN_NO_IBSS)
+ if (chan->flags & IEEE80211_CHAN_NO_IR)
continue;
if (chan->flags & IEEE80211_CHAN_DISABLED)
continue;
chan = ieee80211_get_channel(wdev->wiphy, freq);
if (!chan)
return -EINVAL;
- if (chan->flags & IEEE80211_CHAN_NO_IBSS ||
+ if (chan->flags & IEEE80211_CHAN_NO_IR ||
chan->flags & IEEE80211_CHAN_DISABLED)
return -EINVAL;
}
for (i = 0; i < sband->n_channels; i++) {
chan = &sband->channels[i];
- if (chan->flags & (IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN |
+ if (chan->flags & (IEEE80211_CHAN_NO_IR |
IEEE80211_CHAN_DISABLED |
IEEE80211_CHAN_RADAR))
continue;
int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
- struct ieee80211_channel *chan, bool offchan,
- unsigned int wait, const u8 *buf, size_t len,
- bool no_cck, bool dont_wait_for_ack, u64 *cookie)
+ struct cfg80211_mgmt_tx_params *params, u64 *cookie)
{
const struct ieee80211_mgmt *mgmt;
u16 stype;
if (!rdev->ops->mgmt_tx)
return -EOPNOTSUPP;
- if (len < 24 + 1)
+ if (params->len < 24 + 1)
return -EINVAL;
- mgmt = (const struct ieee80211_mgmt *) buf;
+ mgmt = (const struct ieee80211_mgmt *)params->buf;
if (!ieee80211_is_mgmt(mgmt->frame_control))
return -EINVAL;
return -EINVAL;
/* Transmit the Action frame as requested by user space */
- return rdev_mgmt_tx(rdev, wdev, chan, offchan,
- wait, buf, len, no_cck, dont_wait_for_ack,
- cookie);
+ return rdev_mgmt_tx(rdev, wdev, params, cookie);
}
bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm,
EXPORT_SYMBOL(cfg80211_radar_event);
void cfg80211_cac_event(struct net_device *netdev,
+ const struct cfg80211_chan_def *chandef,
enum nl80211_radar_event event, gfp_t gfp)
{
struct wireless_dev *wdev = netdev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- struct cfg80211_chan_def chandef;
unsigned long timeout;
trace_cfg80211_cac_event(netdev, event);
if (WARN_ON(!wdev->channel))
return;
- cfg80211_chandef_create(&chandef, wdev->channel, NL80211_CHAN_NO_HT);
-
switch (event) {
case NL80211_RADAR_CAC_FINISHED:
timeout = wdev->cac_start_time +
msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
WARN_ON(!time_after_eq(jiffies, timeout));
- cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_AVAILABLE);
+ cfg80211_set_dfs_state(wiphy, chandef, NL80211_DFS_AVAILABLE);
break;
case NL80211_RADAR_CAC_ABORTED:
break;
}
wdev->cac_started = false;
- nl80211_radar_notify(rdev, &chandef, event, netdev, gfp);
+ nl80211_radar_notify(rdev, chandef, event, netdev, gfp);
}
EXPORT_SYMBOL(cfg80211_cac_event);
if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
goto nla_put_failure;
- if ((chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) &&
- nla_put_flag(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN))
- goto nla_put_failure;
- if ((chan->flags & IEEE80211_CHAN_NO_IBSS) &&
- nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS))
- goto nla_put_failure;
+ if (chan->flags & IEEE80211_CHAN_NO_IR) {
+ if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
+ goto nla_put_failure;
+ if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
+ goto nla_put_failure;
+ }
if (chan->flags & IEEE80211_CHAN_RADAR) {
if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
goto nla_put_failure;
if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
goto nla_put_failure;
- if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
- nla_put_flag(msg, WIPHY_FLAG_SUPPORTS_5_10_MHZ))
- goto nla_put_failure;
-
state->split_start++;
if (state->split)
break;
if (nl80211_send_coalesce(msg, dev))
goto nla_put_failure;
+ if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
+ (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
+ nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
+ goto nla_put_failure;
+
/* done */
state->split_start = 0;
break;
}
static int nl80211_send_chandef(struct sk_buff *msg,
- struct cfg80211_chan_def *chandef)
+ const struct cfg80211_chan_def *chandef)
{
WARN_ON(!cfg80211_chandef_valid(chandef));
return PTR_ERR(params.acl);
}
+ wdev_lock(wdev);
err = rdev_start_ap(rdev, dev, ¶ms);
if (!err) {
wdev->preset_chandef = params.chandef;
wdev->ssid_len = params.ssid_len;
memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
}
+ wdev_unlock(wdev);
kfree(params.acl);
if (err)
return err;
- return rdev_change_beacon(rdev, dev, ¶ms);
+ wdev_lock(wdev);
+ err = rdev_change_beacon(rdev, dev, ¶ms);
+ wdev_unlock(wdev);
+
+ return err;
}
static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
struct bss_parameters params;
+ int err;
memset(¶ms, 0, sizeof(params));
/* default to not changing parameters */
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;
- return rdev_change_bss(rdev, dev, ¶ms);
+ wdev_lock(wdev);
+ err = rdev_change_bss(rdev, dev, ¶ms);
+ wdev_unlock(wdev);
+
+ return err;
}
static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
char *alpha2 = NULL;
int rem_reg_rules = 0, r = 0;
u32 num_rules = 0, rule_idx = 0, size_of_regd;
- u8 dfs_region = 0;
+ enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
struct ieee80211_regdomain *rd = NULL;
if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
return -EINVAL;
}
+ if (!reg_is_valid_request(alpha2))
+ return -EINVAL;
+
size_of_regd = sizeof(struct ieee80211_regdomain) +
num_rules * sizeof(struct ieee80211_reg_rule);
if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
request->flags = nla_get_u32(
info->attrs[NL80211_ATTR_SCAN_FLAGS]);
- if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
- !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
- ((request->flags & NL80211_SCAN_FLAG_FLUSH) &&
- !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) {
+ if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
+ !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
err = -EOPNOTSUPP;
goto out_free;
}
if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
request->flags = nla_get_u32(
info->attrs[NL80211_ATTR_SCAN_FLAGS]);
- if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
- !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
- ((request->flags & NL80211_SCAN_FLAG_FLUSH) &&
- !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) {
+ if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
+ !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
err = -EOPNOTSUPP;
goto out_free;
}
if (err == 0)
return -EINVAL;
- if (chandef.chan->dfs_state != NL80211_DFS_USABLE)
+ if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef))
return -EINVAL;
if (!rdev->ops->start_radar_detection)
if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
params.block_tx = true;
- return rdev_channel_switch(rdev, dev, ¶ms);
+ wdev_lock(wdev);
+ err = rdev_channel_switch(rdev, dev, ¶ms);
+ wdev_unlock(wdev);
+
+ return err;
}
static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
void *hdr = NULL;
u64 cookie;
struct sk_buff *msg = NULL;
- unsigned int wait = 0;
- bool offchan, no_cck, dont_wait_for_ack;
-
- dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
+ struct cfg80211_mgmt_tx_params params = {
+ .dont_wait_for_ack =
+ info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
+ };
if (!info->attrs[NL80211_ATTR_FRAME])
return -EINVAL;
if (info->attrs[NL80211_ATTR_DURATION]) {
if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
return -EINVAL;
- wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
+ params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
/*
* We should wait on the channel for at least a minimum amount
* of time (10ms) but no longer than the driver supports.
*/
- if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
- wait > rdev->wiphy.max_remain_on_channel_duration)
+ if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
+ params.wait > rdev->wiphy.max_remain_on_channel_duration)
return -EINVAL;
}
- offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
+ params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
- if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
+ if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
return -EINVAL;
- no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
+ params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
/* get the channel if any has been specified, otherwise pass NULL to
* the driver. The latter will use the current one
return err;
}
- if (!chandef.chan && offchan)
+ if (!chandef.chan && params.offchan)
return -EINVAL;
- if (!dont_wait_for_ack) {
+ if (!params.dont_wait_for_ack) {
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return -ENOMEM;
}
}
- err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait,
- nla_data(info->attrs[NL80211_ATTR_FRAME]),
- nla_len(info->attrs[NL80211_ATTR_FRAME]),
- no_cck, dont_wait_for_ack, &cookie);
+ params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
+ params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
+ params.chan = chandef.chan;
+ err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
if (err)
goto free_msg;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- trace_cfg80211_ch_switch_notify(dev, chandef);
+ ASSERT_WDEV_LOCK(wdev);
- wdev_lock(wdev);
+ trace_cfg80211_ch_switch_notify(dev, chandef);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
wdev->iftype != NL80211_IFTYPE_P2P_GO &&
wdev->iftype != NL80211_IFTYPE_ADHOC &&
wdev->iftype != NL80211_IFTYPE_MESH_POINT))
- goto out;
+ return;
wdev->channel = chandef->chan;
nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
-out:
- wdev_unlock(wdev);
- return;
}
EXPORT_SYMBOL(cfg80211_ch_switch_notify);
void
nl80211_radar_notify(struct cfg80211_registered_device *rdev,
- struct cfg80211_chan_def *chandef,
+ const struct cfg80211_chan_def *chandef,
enum nl80211_radar_event event,
struct net_device *netdev, gfp_t gfp)
{
void
nl80211_radar_notify(struct cfg80211_registered_device *rdev,
- struct cfg80211_chan_def *chandef,
+ const struct cfg80211_chan_def *chandef,
enum nl80211_radar_event event,
struct net_device *netdev, gfp_t gfp);
static inline int rdev_mgmt_tx(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
- struct ieee80211_channel *chan, bool offchan,
- unsigned int wait, const u8 *buf, size_t len,
- bool no_cck, bool dont_wait_for_ack, u64 *cookie)
+ struct cfg80211_mgmt_tx_params *params,
+ u64 *cookie)
{
int ret;
- trace_rdev_mgmt_tx(&rdev->wiphy, wdev, chan, offchan,
- wait, no_cck, dont_wait_for_ack);
- ret = rdev->ops->mgmt_tx(&rdev->wiphy, wdev, chan, offchan,
- wait, buf, len, no_cck,
- dont_wait_for_ack, cookie);
+ trace_rdev_mgmt_tx(&rdev->wiphy, wdev, params);
+ ret = rdev->ops->mgmt_tx(&rdev->wiphy, wdev, params, cookie);
trace_rdev_return_int_cookie(&rdev->wiphy, ret, *cookie);
return ret;
}
return rtnl_dereference(wiphy->regd);
}
+static const char *reg_dfs_region_str(enum nl80211_dfs_regions dfs_region)
+{
+ switch (dfs_region) {
+ case NL80211_DFS_UNSET:
+ return "unset";
+ case NL80211_DFS_FCC:
+ return "FCC";
+ case NL80211_DFS_ETSI:
+ return "ETSI";
+ case NL80211_DFS_JP:
+ return "JP";
+ }
+ return "Unknown";
+}
+
static void rcu_free_regdom(const struct ieee80211_regdomain *r)
{
if (!r)
REG_RULE(2412-10, 2462+10, 40, 6, 20, 0),
/* IEEE 802.11b/g, channels 12..13. */
REG_RULE(2467-10, 2472+10, 40, 6, 20,
- NL80211_RRF_PASSIVE_SCAN |
- NL80211_RRF_NO_IBSS),
+ NL80211_RRF_NO_IR),
/* IEEE 802.11 channel 14 - Only JP enables
* this and for 802.11b only */
REG_RULE(2484-10, 2484+10, 20, 6, 20,
- NL80211_RRF_PASSIVE_SCAN |
- NL80211_RRF_NO_IBSS |
+ NL80211_RRF_NO_IR |
NL80211_RRF_NO_OFDM),
/* IEEE 802.11a, channel 36..48 */
REG_RULE(5180-10, 5240+10, 160, 6, 20,
- NL80211_RRF_PASSIVE_SCAN |
- NL80211_RRF_NO_IBSS),
+ NL80211_RRF_NO_IR),
/* IEEE 802.11a, channel 52..64 - DFS required */
REG_RULE(5260-10, 5320+10, 160, 6, 20,
- NL80211_RRF_PASSIVE_SCAN |
- NL80211_RRF_NO_IBSS |
+ NL80211_RRF_NO_IR |
NL80211_RRF_DFS),
/* IEEE 802.11a, channel 100..144 - DFS required */
REG_RULE(5500-10, 5720+10, 160, 6, 20,
- NL80211_RRF_PASSIVE_SCAN |
- NL80211_RRF_NO_IBSS |
+ NL80211_RRF_NO_IR |
NL80211_RRF_DFS),
/* IEEE 802.11a, channel 149..165 */
REG_RULE(5745-10, 5825+10, 80, 6, 20,
- NL80211_RRF_PASSIVE_SCAN |
- NL80211_RRF_NO_IBSS),
+ NL80211_RRF_NO_IR),
/* IEEE 802.11ad (60gHz), channels 1..3 */
REG_RULE(56160+2160*1-1080, 56160+2160*3+1080, 2160, 0, 0, 0),
module_param(ieee80211_regdom, charp, 0444);
MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
+static void reg_kfree_last_request(void)
+{
+ struct regulatory_request *lr;
+
+ lr = get_last_request();
+
+ if (lr != &core_request_world && lr)
+ kfree_rcu(lr, rcu_head);
+}
+
+static void reg_update_last_request(struct regulatory_request *request)
+{
+ reg_kfree_last_request();
+ rcu_assign_pointer(last_request, request);
+}
+
static void reset_regdomains(bool full_reset,
const struct ieee80211_regdomain *new_regdom)
{
const struct ieee80211_regdomain *r;
- struct regulatory_request *lr;
ASSERT_RTNL();
if (!full_reset)
return;
- lr = get_last_request();
- if (lr != &core_request_world && lr)
- kfree_rcu(lr, rcu_head);
- rcu_assign_pointer(last_request, &core_request_world);
+ reg_update_last_request(&core_request_world);
}
/*
return kobject_uevent(®_pdev->dev.kobj, KOBJ_CHANGE);
}
-static bool reg_is_valid_request(const char *alpha2)
+static enum reg_request_treatment
+reg_call_crda(struct regulatory_request *request)
+{
+ if (call_crda(request->alpha2))
+ return REG_REQ_IGNORE;
+ return REG_REQ_OK;
+}
+
+bool reg_is_valid_request(const char *alpha2)
{
struct regulatory_request *lr = get_last_request();
#undef ONE_GHZ_IN_KHZ
}
+/*
+ * Later on we can perhaps use the more restrictive DFS
+ * region but we don't have information for that yet so
+ * for now simply disallow conflicts.
+ */
+static enum nl80211_dfs_regions
+reg_intersect_dfs_region(const enum nl80211_dfs_regions dfs_region1,
+ const enum nl80211_dfs_regions dfs_region2)
+{
+ if (dfs_region1 != dfs_region2)
+ return NL80211_DFS_UNSET;
+ return dfs_region1;
+}
+
/*
* Helper for regdom_intersect(), this does the real
* mathematical intersection fun
rd->n_reg_rules = num_rules;
rd->alpha2[0] = '9';
rd->alpha2[1] = '8';
+ rd->dfs_region = reg_intersect_dfs_region(rd1->dfs_region,
+ rd2->dfs_region);
return rd;
}
static u32 map_regdom_flags(u32 rd_flags)
{
u32 channel_flags = 0;
- if (rd_flags & NL80211_RRF_PASSIVE_SCAN)
- channel_flags |= IEEE80211_CHAN_PASSIVE_SCAN;
- if (rd_flags & NL80211_RRF_NO_IBSS)
- channel_flags |= IEEE80211_CHAN_NO_IBSS;
+ if (rd_flags & NL80211_RRF_NO_IR_ALL)
+ channel_flags |= IEEE80211_CHAN_NO_IR;
if (rd_flags & NL80211_RRF_DFS)
channel_flags |= IEEE80211_CHAN_RADAR;
if (rd_flags & NL80211_RRF_NO_OFDM)
PTR_ERR(reg_rule) == -ERANGE)
return;
- REG_DBG_PRINT("Disabling freq %d MHz\n", chan->center_freq);
- chan->flags |= IEEE80211_CHAN_DISABLED;
+ if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
+ request_wiphy && request_wiphy == wiphy &&
+ request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) {
+ REG_DBG_PRINT("Disabling freq %d MHz for good\n",
+ chan->center_freq);
+ chan->orig_flags |= IEEE80211_CHAN_DISABLED;
+ chan->flags = chan->orig_flags;
+ } else {
+ REG_DBG_PRINT("Disabling freq %d MHz\n",
+ chan->center_freq);
+ chan->flags |= IEEE80211_CHAN_DISABLED;
+ }
return;
}
if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
request_wiphy && request_wiphy == wiphy &&
- request_wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) {
+ request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) {
/*
* This guarantees the driver's requested regulatory domain
* will always be used as a base for further regulatory
chan->max_reg_power = (int) MBM_TO_DBM(power_rule->max_eirp);
if (chan->orig_mpwr) {
/*
- * Devices that have their own custom regulatory domain
- * but also use WIPHY_FLAG_STRICT_REGULATORY will follow the
- * passed country IE power settings.
+ * Devices that use REGULATORY_COUNTRY_IE_FOLLOW_POWER
+ * will always follow the passed country IE power settings.
*/
if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
- wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY &&
- wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY)
+ wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_FOLLOW_POWER)
chan->max_power = chan->max_reg_power;
else
chan->max_power = min(chan->orig_mpwr,
static bool wiphy_strict_alpha2_regd(struct wiphy *wiphy)
{
- if (wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY &&
- !(wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY))
+ if (wiphy->regulatory_flags & REGULATORY_STRICT_REG &&
+ !(wiphy->regulatory_flags & REGULATORY_CUSTOM_REG))
return true;
return false;
}
}
if (initiator == NL80211_REGDOM_SET_BY_CORE &&
- wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) {
+ wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) {
REG_DBG_PRINT("Ignoring regulatory request set by %s "
"since the driver uses its own custom "
"regulatory domain\n",
return true;
if (lr && lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
- wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY)
+ wiphy->regulatory_flags & REGULATORY_CUSTOM_REG)
return true;
return false;
if (!reg_is_world_roaming(wiphy))
return;
- if (wiphy->flags & WIPHY_FLAG_DISABLE_BEACON_HINTS)
+ if (wiphy->regulatory_flags & REGULATORY_DISABLE_BEACON_HINTS)
return;
chan_before.center_freq = chan->center_freq;
chan_before.flags = chan->flags;
- if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) {
- chan->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
- channel_changed = true;
- }
-
- if (chan->flags & IEEE80211_CHAN_NO_IBSS) {
- chan->flags &= ~IEEE80211_CHAN_NO_IBSS;
+ if (chan->flags & IEEE80211_CHAN_NO_IR) {
+ chan->flags &= ~IEEE80211_CHAN_NO_IR;
channel_changed = true;
}
reg_process_ht_flags_band(wiphy, wiphy->bands[band]);
}
+static void reg_call_notifier(struct wiphy *wiphy,
+ struct regulatory_request *request)
+{
+ if (wiphy->reg_notifier)
+ wiphy->reg_notifier(wiphy, request);
+}
+
static void wiphy_update_regulatory(struct wiphy *wiphy,
enum nl80211_reg_initiator initiator)
{
enum ieee80211_band band;
struct regulatory_request *lr = get_last_request();
- if (ignore_reg_update(wiphy, initiator))
+ if (ignore_reg_update(wiphy, initiator)) {
+ /*
+ * Regulatory updates set by CORE are ignored for custom
+ * regulatory cards. Let us notify the changes to the driver,
+ * as some drivers used this to restore its orig_* reg domain.
+ */
+ if (initiator == NL80211_REGDOM_SET_BY_CORE &&
+ wiphy->regulatory_flags & REGULATORY_CUSTOM_REG)
+ reg_call_notifier(wiphy, lr);
return;
+ }
lr->dfs_region = get_cfg80211_regdom()->dfs_region;
reg_process_beacons(wiphy);
reg_process_ht_flags(wiphy);
-
- if (wiphy->reg_notifier)
- wiphy->reg_notifier(wiphy, lr);
+ reg_call_notifier(wiphy, lr);
}
static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator)
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
wiphy = &rdev->wiphy;
wiphy_update_regulatory(wiphy, initiator);
- /*
- * Regulatory updates set by CORE are ignored for custom
- * regulatory cards. Let us notify the changes to the driver,
- * as some drivers used this to restore its orig_* reg domain.
- */
- if (initiator == NL80211_REGDOM_SET_BY_CORE &&
- wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY &&
- wiphy->reg_notifier)
- wiphy->reg_notifier(wiphy, get_last_request());
}
}
if (IS_ERR(reg_rule)) {
REG_DBG_PRINT("Disabling freq %d MHz as custom regd has no rule that fits it\n",
chan->center_freq);
- chan->flags = IEEE80211_CHAN_DISABLED;
+ chan->orig_flags |= IEEE80211_CHAN_DISABLED;
+ chan->flags = chan->orig_flags;
return;
}
enum ieee80211_band band;
unsigned int bands_set = 0;
+ WARN(!(wiphy->regulatory_flags & REGULATORY_CUSTOM_REG),
+ "wiphy should have REGULATORY_CUSTOM_REG\n");
+ wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
+
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
if (!wiphy->bands[band])
continue;
}
EXPORT_SYMBOL(wiphy_apply_custom_regulatory);
-/* This has the logic which determines when a new request
- * should be ignored. */
-static enum reg_request_treatment
-get_reg_request_treatment(struct wiphy *wiphy,
- struct regulatory_request *pending_request)
+static void reg_set_request_processed(void)
{
- struct wiphy *last_wiphy = NULL;
+ bool need_more_processing = false;
struct regulatory_request *lr = get_last_request();
- /* All initial requests are respected */
- if (!lr)
- return REG_REQ_OK;
+ lr->processed = true;
- switch (pending_request->initiator) {
- case NL80211_REGDOM_SET_BY_CORE:
- return REG_REQ_OK;
- case NL80211_REGDOM_SET_BY_COUNTRY_IE:
- if (reg_request_cell_base(lr)) {
- /* Trust a Cell base station over the AP's country IE */
- if (regdom_changes(pending_request->alpha2))
- return REG_REQ_IGNORE;
- return REG_REQ_ALREADY_SET;
- }
+ spin_lock(®_requests_lock);
+ if (!list_empty(®_requests_list))
+ need_more_processing = true;
+ spin_unlock(®_requests_lock);
- last_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
+ if (lr->initiator == NL80211_REGDOM_SET_BY_USER)
+ cancel_delayed_work(®_timeout);
- if (unlikely(!is_an_alpha2(pending_request->alpha2)))
- return -EINVAL;
- if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
- if (last_wiphy != wiphy) {
- /*
- * Two cards with two APs claiming different
- * Country IE alpha2s. We could
- * intersect them, but that seems unlikely
- * to be correct. Reject second one for now.
- */
- if (regdom_changes(pending_request->alpha2))
- return REG_REQ_IGNORE;
- return REG_REQ_ALREADY_SET;
- }
- /*
- * Two consecutive Country IE hints on the same wiphy.
- * This should be picked up early by the driver/stack
- */
- if (WARN_ON(regdom_changes(pending_request->alpha2)))
- return REG_REQ_OK;
- return REG_REQ_ALREADY_SET;
- }
- return REG_REQ_OK;
- case NL80211_REGDOM_SET_BY_DRIVER:
- if (lr->initiator == NL80211_REGDOM_SET_BY_CORE) {
- if (regdom_changes(pending_request->alpha2))
- return REG_REQ_OK;
- return REG_REQ_ALREADY_SET;
- }
+ if (need_more_processing)
+ schedule_work(®_work);
+}
- /*
- * This would happen if you unplug and plug your card
- * back in or if you add a new device for which the previously
- * loaded card also agrees on the regulatory domain.
- */
- if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
- !regdom_changes(pending_request->alpha2))
- return REG_REQ_ALREADY_SET;
+/**
+ * reg_process_hint_core - process core regulatory requests
+ * @pending_request: a pending core regulatory request
+ *
+ * The wireless subsystem can use this function to process
+ * a regulatory request issued by the regulatory core.
+ *
+ * Returns one of the different reg request treatment values.
+ */
+static enum reg_request_treatment
+reg_process_hint_core(struct regulatory_request *core_request)
+{
+
+ core_request->intersect = false;
+ core_request->processed = false;
+
+ reg_update_last_request(core_request);
+ return reg_call_crda(core_request);
+}
+
+static enum reg_request_treatment
+__reg_process_hint_user(struct regulatory_request *user_request)
+{
+ struct regulatory_request *lr = get_last_request();
+
+ if (reg_request_cell_base(user_request))
+ return reg_ignore_cell_hint(user_request);
+
+ if (reg_request_cell_base(lr))
+ return REG_REQ_IGNORE;
+
+ if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)
return REG_REQ_INTERSECT;
- case NL80211_REGDOM_SET_BY_USER:
- if (reg_request_cell_base(pending_request))
- return reg_ignore_cell_hint(pending_request);
+ /*
+ * If the user knows better the user should set the regdom
+ * to their country before the IE is picked up
+ */
+ if (lr->initiator == NL80211_REGDOM_SET_BY_USER &&
+ lr->intersect)
+ return REG_REQ_IGNORE;
+ /*
+ * Process user requests only after previous user/driver/core
+ * requests have been processed
+ */
+ if ((lr->initiator == NL80211_REGDOM_SET_BY_CORE ||
+ lr->initiator == NL80211_REGDOM_SET_BY_DRIVER ||
+ lr->initiator == NL80211_REGDOM_SET_BY_USER) &&
+ regdom_changes(lr->alpha2))
+ return REG_REQ_IGNORE;
- if (reg_request_cell_base(lr))
- return REG_REQ_IGNORE;
+ if (!regdom_changes(user_request->alpha2))
+ return REG_REQ_ALREADY_SET;
- if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)
- return REG_REQ_INTERSECT;
- /*
- * If the user knows better the user should set the regdom
- * to their country before the IE is picked up
- */
- if (lr->initiator == NL80211_REGDOM_SET_BY_USER &&
- lr->intersect)
- return REG_REQ_IGNORE;
- /*
- * Process user requests only after previous user/driver/core
- * requests have been processed
- */
- if ((lr->initiator == NL80211_REGDOM_SET_BY_CORE ||
- lr->initiator == NL80211_REGDOM_SET_BY_DRIVER ||
- lr->initiator == NL80211_REGDOM_SET_BY_USER) &&
- regdom_changes(lr->alpha2))
- return REG_REQ_IGNORE;
+ return REG_REQ_OK;
+}
- if (!regdom_changes(pending_request->alpha2))
- return REG_REQ_ALREADY_SET;
+/**
+ * reg_process_hint_user - process user regulatory requests
+ * @user_request: a pending user regulatory request
+ *
+ * The wireless subsystem can use this function to process
+ * a regulatory request initiated by userspace.
+ *
+ * Returns one of the different reg request treatment values.
+ */
+static enum reg_request_treatment
+reg_process_hint_user(struct regulatory_request *user_request)
+{
+ enum reg_request_treatment treatment;
- return REG_REQ_OK;
+ treatment = __reg_process_hint_user(user_request);
+ if (treatment == REG_REQ_IGNORE ||
+ treatment == REG_REQ_ALREADY_SET) {
+ kfree(user_request);
+ return treatment;
}
- return REG_REQ_IGNORE;
+ user_request->intersect = treatment == REG_REQ_INTERSECT;
+ user_request->processed = false;
+
+ reg_update_last_request(user_request);
+
+ user_alpha2[0] = user_request->alpha2[0];
+ user_alpha2[1] = user_request->alpha2[1];
+
+ return reg_call_crda(user_request);
}
-static void reg_set_request_processed(void)
+static enum reg_request_treatment
+__reg_process_hint_driver(struct regulatory_request *driver_request)
{
- bool need_more_processing = false;
struct regulatory_request *lr = get_last_request();
- lr->processed = true;
-
- spin_lock(®_requests_lock);
- if (!list_empty(®_requests_list))
- need_more_processing = true;
- spin_unlock(®_requests_lock);
+ if (lr->initiator == NL80211_REGDOM_SET_BY_CORE) {
+ if (regdom_changes(driver_request->alpha2))
+ return REG_REQ_OK;
+ return REG_REQ_ALREADY_SET;
+ }
- if (lr->initiator == NL80211_REGDOM_SET_BY_USER)
- cancel_delayed_work(®_timeout);
+ /*
+ * This would happen if you unplug and plug your card
+ * back in or if you add a new device for which the previously
+ * loaded card also agrees on the regulatory domain.
+ */
+ if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
+ !regdom_changes(driver_request->alpha2))
+ return REG_REQ_ALREADY_SET;
- if (need_more_processing)
- schedule_work(®_work);
+ return REG_REQ_INTERSECT;
}
/**
- * __regulatory_hint - hint to the wireless core a regulatory domain
- * @wiphy: if the hint comes from country information from an AP, this
- * is required to be set to the wiphy that received the information
- * @pending_request: the regulatory request currently being processed
+ * reg_process_hint_driver - process driver regulatory requests
+ * @driver_request: a pending driver regulatory request
*
- * The Wireless subsystem can use this function to hint to the wireless core
- * what it believes should be the current regulatory domain.
+ * The wireless subsystem can use this function to process
+ * a regulatory request issued by an 802.11 driver.
*
* Returns one of the different reg request treatment values.
*/
static enum reg_request_treatment
-__regulatory_hint(struct wiphy *wiphy,
- struct regulatory_request *pending_request)
+reg_process_hint_driver(struct wiphy *wiphy,
+ struct regulatory_request *driver_request)
{
const struct ieee80211_regdomain *regd;
- bool intersect = false;
enum reg_request_treatment treatment;
- struct regulatory_request *lr;
- treatment = get_reg_request_treatment(wiphy, pending_request);
+ treatment = __reg_process_hint_driver(driver_request);
switch (treatment) {
- case REG_REQ_INTERSECT:
- if (pending_request->initiator ==
- NL80211_REGDOM_SET_BY_DRIVER) {
- regd = reg_copy_regd(get_cfg80211_regdom());
- if (IS_ERR(regd)) {
- kfree(pending_request);
- return PTR_ERR(regd);
- }
- rcu_assign_pointer(wiphy->regd, regd);
- }
- intersect = true;
- break;
case REG_REQ_OK:
break;
- default:
- /*
- * If the regulatory domain being requested by the
- * driver has already been set just copy it to the
- * wiphy
- */
- if (treatment == REG_REQ_ALREADY_SET &&
- pending_request->initiator == NL80211_REGDOM_SET_BY_DRIVER) {
- regd = reg_copy_regd(get_cfg80211_regdom());
- if (IS_ERR(regd)) {
- kfree(pending_request);
- return REG_REQ_IGNORE;
- }
- treatment = REG_REQ_ALREADY_SET;
- rcu_assign_pointer(wiphy->regd, regd);
- goto new_request;
- }
- kfree(pending_request);
+ case REG_REQ_IGNORE:
+ kfree(driver_request);
return treatment;
+ case REG_REQ_INTERSECT:
+ /* fall through */
+ case REG_REQ_ALREADY_SET:
+ regd = reg_copy_regd(get_cfg80211_regdom());
+ if (IS_ERR(regd)) {
+ kfree(driver_request);
+ return REG_REQ_IGNORE;
+ }
+ rcu_assign_pointer(wiphy->regd, regd);
}
-new_request:
- lr = get_last_request();
- if (lr != &core_request_world && lr)
- kfree_rcu(lr, rcu_head);
- pending_request->intersect = intersect;
- pending_request->processed = false;
- rcu_assign_pointer(last_request, pending_request);
- lr = pending_request;
+ driver_request->intersect = treatment == REG_REQ_INTERSECT;
+ driver_request->processed = false;
- pending_request = NULL;
+ reg_update_last_request(driver_request);
- if (lr->initiator == NL80211_REGDOM_SET_BY_USER) {
- user_alpha2[0] = lr->alpha2[0];
- user_alpha2[1] = lr->alpha2[1];
+ /*
+ * Since CRDA will not be called in this case as we already
+ * have applied the requested regulatory domain before we just
+ * inform userspace we have processed the request
+ */
+ if (treatment == REG_REQ_ALREADY_SET) {
+ nl80211_send_reg_change_event(driver_request);
+ reg_set_request_processed();
+ return treatment;
}
- /* When r == REG_REQ_INTERSECT we do need to call CRDA */
- if (treatment != REG_REQ_OK && treatment != REG_REQ_INTERSECT) {
+ return reg_call_crda(driver_request);
+}
+
+static enum reg_request_treatment
+__reg_process_hint_country_ie(struct wiphy *wiphy,
+ struct regulatory_request *country_ie_request)
+{
+ struct wiphy *last_wiphy = NULL;
+ struct regulatory_request *lr = get_last_request();
+
+ if (reg_request_cell_base(lr)) {
+ /* Trust a Cell base station over the AP's country IE */
+ if (regdom_changes(country_ie_request->alpha2))
+ return REG_REQ_IGNORE;
+ return REG_REQ_ALREADY_SET;
+ } else {
+ if (wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_IGNORE)
+ return REG_REQ_IGNORE;
+ }
+
+ if (unlikely(!is_an_alpha2(country_ie_request->alpha2)))
+ return -EINVAL;
+
+ if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE)
+ return REG_REQ_OK;
+
+ last_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
+
+ if (last_wiphy != wiphy) {
/*
- * Since CRDA will not be called in this case as we already
- * have applied the requested regulatory domain before we just
- * inform userspace we have processed the request
+ * Two cards with two APs claiming different
+ * Country IE alpha2s. We could
+ * intersect them, but that seems unlikely
+ * to be correct. Reject second one for now.
*/
- if (treatment == REG_REQ_ALREADY_SET) {
- nl80211_send_reg_change_event(lr);
- reg_set_request_processed();
- }
- return treatment;
+ if (regdom_changes(country_ie_request->alpha2))
+ return REG_REQ_IGNORE;
+ return REG_REQ_ALREADY_SET;
}
+ /*
+ * Two consecutive Country IE hints on the same wiphy.
+ * This should be picked up early by the driver/stack
+ */
+ if (WARN_ON(regdom_changes(country_ie_request->alpha2)))
+ return REG_REQ_OK;
+ return REG_REQ_ALREADY_SET;
+}
+
+/**
+ * reg_process_hint_country_ie - process regulatory requests from country IEs
+ * @country_ie_request: a regulatory request from a country IE
+ *
+ * The wireless subsystem can use this function to process
+ * a regulatory request issued by a country Information Element.
+ *
+ * Returns one of the different reg request treatment values.
+ */
+static enum reg_request_treatment
+reg_process_hint_country_ie(struct wiphy *wiphy,
+ struct regulatory_request *country_ie_request)
+{
+ enum reg_request_treatment treatment;
+
+ treatment = __reg_process_hint_country_ie(wiphy, country_ie_request);
- if (call_crda(lr->alpha2))
+ switch (treatment) {
+ case REG_REQ_OK:
+ break;
+ case REG_REQ_IGNORE:
+ /* fall through */
+ case REG_REQ_ALREADY_SET:
+ kfree(country_ie_request);
+ return treatment;
+ case REG_REQ_INTERSECT:
+ kfree(country_ie_request);
+ /*
+ * This doesn't happen yet, not sure we
+ * ever want to support it for this case.
+ */
+ WARN_ONCE(1, "Unexpected intersection for country IEs");
return REG_REQ_IGNORE;
- return REG_REQ_OK;
+ }
+
+ country_ie_request->intersect = false;
+ country_ie_request->processed = false;
+
+ reg_update_last_request(country_ie_request);
+
+ return reg_call_crda(country_ie_request);
}
/* This processes *all* regulatory hints */
-static void reg_process_hint(struct regulatory_request *reg_request,
- enum nl80211_reg_initiator reg_initiator)
+static void reg_process_hint(struct regulatory_request *reg_request)
{
struct wiphy *wiphy = NULL;
+ enum reg_request_treatment treatment;
if (WARN_ON(!reg_request->alpha2))
return;
if (reg_request->wiphy_idx != WIPHY_IDX_INVALID)
wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx);
- if (reg_initiator == NL80211_REGDOM_SET_BY_DRIVER && !wiphy) {
+ if (reg_request->initiator == NL80211_REGDOM_SET_BY_DRIVER && !wiphy) {
kfree(reg_request);
return;
}
- switch (__regulatory_hint(wiphy, reg_request)) {
- case REG_REQ_ALREADY_SET:
- /* This is required so that the orig_* parameters are saved */
- if (wiphy && wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY)
- wiphy_update_regulatory(wiphy, reg_initiator);
+ switch (reg_request->initiator) {
+ case NL80211_REGDOM_SET_BY_CORE:
+ reg_process_hint_core(reg_request);
+ return;
+ case NL80211_REGDOM_SET_BY_USER:
+ treatment = reg_process_hint_user(reg_request);
+ if (treatment == REG_REQ_OK ||
+ treatment == REG_REQ_ALREADY_SET)
+ return;
+ schedule_delayed_work(®_timeout, msecs_to_jiffies(3142));
+ return;
+ case NL80211_REGDOM_SET_BY_DRIVER:
+ treatment = reg_process_hint_driver(wiphy, reg_request);
break;
- default:
- if (reg_initiator == NL80211_REGDOM_SET_BY_USER)
- schedule_delayed_work(®_timeout,
- msecs_to_jiffies(3142));
+ case NL80211_REGDOM_SET_BY_COUNTRY_IE:
+ treatment = reg_process_hint_country_ie(wiphy, reg_request);
break;
+ default:
+ WARN(1, "invalid initiator %d\n", reg_request->initiator);
+ return;
}
+
+ /* This is required so that the orig_* parameters are saved */
+ if (treatment == REG_REQ_ALREADY_SET && wiphy &&
+ wiphy->regulatory_flags & REGULATORY_STRICT_REG)
+ wiphy_update_regulatory(wiphy, reg_request->initiator);
}
/*
spin_unlock(®_requests_lock);
- reg_process_hint(reg_request, reg_request->initiator);
+ reg_process_hint(reg_request);
}
/* Processes beacon hints -- this has nothing to do with country IEs */
world_alpha2[1] = cfg80211_world_regdom->alpha2[1];
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
- if (rdev->wiphy.flags & WIPHY_FLAG_CUSTOM_REGULATORY)
+ if (rdev->wiphy.regulatory_flags & REGULATORY_CUSTOM_REG)
restore_custom_reg_settings(&rdev->wiphy);
}
}
}
-bool reg_supported_dfs_region(u8 dfs_region)
+bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region)
{
switch (dfs_region) {
case NL80211_DFS_UNSET:
}
}
-static void print_dfs_region(u8 dfs_region)
-{
- if (!dfs_region)
- return;
-
- switch (dfs_region) {
- case NL80211_DFS_FCC:
- pr_info(" DFS Master region FCC");
- break;
- case NL80211_DFS_ETSI:
- pr_info(" DFS Master region ETSI");
- break;
- case NL80211_DFS_JP:
- pr_info(" DFS Master region JP");
- break;
- default:
- pr_info(" DFS Master region Unknown");
- break;
- }
-}
-
static void print_regdomain(const struct ieee80211_regdomain *rd)
{
struct regulatory_request *lr = get_last_request();
}
}
- print_dfs_region(rd->dfs_region);
+ pr_info(" DFS Master region: %s", reg_dfs_region_str(rd->dfs_region));
print_rd_rules(rd);
}
print_rd_rules(rd);
}
-/* Takes ownership of rd only if it doesn't fail */
-static int __set_regdom(const struct ieee80211_regdomain *rd)
+static int reg_set_rd_core(const struct ieee80211_regdomain *rd)
+{
+ if (!is_world_regdom(rd->alpha2))
+ return -EINVAL;
+ update_world_regdomain(rd);
+ return 0;
+}
+
+static int reg_set_rd_user(const struct ieee80211_regdomain *rd,
+ struct regulatory_request *user_request)
{
- const struct ieee80211_regdomain *regd;
const struct ieee80211_regdomain *intersected_rd = NULL;
- struct wiphy *request_wiphy;
- struct regulatory_request *lr = get_last_request();
- /* Some basic sanity checks first */
+ if (is_world_regdom(rd->alpha2))
+ return -EINVAL;
+
+ if (!regdom_changes(rd->alpha2))
+ return -EALREADY;
- if (!reg_is_valid_request(rd->alpha2))
+ if (!is_valid_rd(rd)) {
+ pr_err("Invalid regulatory domain detected:\n");
+ print_regdomain_info(rd);
return -EINVAL;
+ }
- if (is_world_regdom(rd->alpha2)) {
- update_world_regdomain(rd);
+ if (!user_request->intersect) {
+ reset_regdomains(false, rd);
return 0;
}
- if (!is_alpha2_set(rd->alpha2) && !is_an_alpha2(rd->alpha2) &&
- !is_unknown_alpha2(rd->alpha2))
+ intersected_rd = regdom_intersect(rd, get_cfg80211_regdom());
+ if (!intersected_rd)
return -EINVAL;
- /*
- * Lets only bother proceeding on the same alpha2 if the current
- * rd is non static (it means CRDA was present and was used last)
- * and the pending request came in from a country IE
- */
- if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) {
- /*
- * If someone else asked us to change the rd lets only bother
- * checking if the alpha2 changes if CRDA was already called
- */
- if (!regdom_changes(rd->alpha2))
- return -EALREADY;
- }
+ kfree(rd);
+ rd = NULL;
+ reset_regdomains(false, intersected_rd);
- /*
- * Now lets set the regulatory domain, update all driver channels
- * and finally inform them of what we have done, in case they want
- * to review or adjust their own settings based on their own
- * internal EEPROM data
- */
+ return 0;
+}
+
+static int reg_set_rd_driver(const struct ieee80211_regdomain *rd,
+ struct regulatory_request *driver_request)
+{
+ const struct ieee80211_regdomain *regd;
+ const struct ieee80211_regdomain *intersected_rd = NULL;
+ const struct ieee80211_regdomain *tmp;
+ struct wiphy *request_wiphy;
+
+ if (is_world_regdom(rd->alpha2))
+ return -EINVAL;
+
+ if (!regdom_changes(rd->alpha2))
+ return -EALREADY;
if (!is_valid_rd(rd)) {
pr_err("Invalid regulatory domain detected:\n");
return -EINVAL;
}
- request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
- if (!request_wiphy &&
- (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER ||
- lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)) {
+ request_wiphy = wiphy_idx_to_wiphy(driver_request->wiphy_idx);
+ if (!request_wiphy) {
schedule_delayed_work(®_timeout, 0);
return -ENODEV;
}
- if (!lr->intersect) {
- if (lr->initiator != NL80211_REGDOM_SET_BY_DRIVER) {
- reset_regdomains(false, rd);
- return 0;
- }
-
- /*
- * For a driver hint, lets copy the regulatory domain the
- * driver wanted to the wiphy to deal with conflicts
- */
-
- /*
- * Userspace could have sent two replies with only
- * one kernel request.
- */
+ if (!driver_request->intersect) {
if (request_wiphy->regd)
return -EALREADY;
return 0;
}
- /* Intersection requires a bit more work */
+ intersected_rd = regdom_intersect(rd, get_cfg80211_regdom());
+ if (!intersected_rd)
+ return -EINVAL;
- if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) {
- intersected_rd = regdom_intersect(rd, get_cfg80211_regdom());
- if (!intersected_rd)
- return -EINVAL;
+ /*
+ * We can trash what CRDA provided now.
+ * However if a driver requested this specific regulatory
+ * domain we keep it for its private use
+ */
+ tmp = get_wiphy_regdom(request_wiphy);
+ rcu_assign_pointer(request_wiphy->regd, rd);
+ rcu_free_regdom(tmp);
- /*
- * We can trash what CRDA provided now.
- * However if a driver requested this specific regulatory
- * domain we keep it for its private use
- */
- if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER) {
- const struct ieee80211_regdomain *tmp;
+ rd = NULL;
- tmp = get_wiphy_regdom(request_wiphy);
- rcu_assign_pointer(request_wiphy->regd, rd);
- rcu_free_regdom(tmp);
- } else {
- kfree(rd);
- }
+ reset_regdomains(false, intersected_rd);
- rd = NULL;
+ return 0;
+}
- reset_regdomains(false, intersected_rd);
+static int reg_set_rd_country_ie(const struct ieee80211_regdomain *rd,
+ struct regulatory_request *country_ie_request)
+{
+ struct wiphy *request_wiphy;
- return 0;
+ if (!is_alpha2_set(rd->alpha2) && !is_an_alpha2(rd->alpha2) &&
+ !is_unknown_alpha2(rd->alpha2))
+ return -EINVAL;
+
+ /*
+ * Lets only bother proceeding on the same alpha2 if the current
+ * rd is non static (it means CRDA was present and was used last)
+ * and the pending request came in from a country IE
+ */
+
+ if (!is_valid_rd(rd)) {
+ pr_err("Invalid regulatory domain detected:\n");
+ print_regdomain_info(rd);
+ return -EINVAL;
}
- return -EINVAL;
-}
+ request_wiphy = wiphy_idx_to_wiphy(country_ie_request->wiphy_idx);
+ if (!request_wiphy) {
+ schedule_delayed_work(®_timeout, 0);
+ return -ENODEV;
+ }
+
+ if (country_ie_request->intersect)
+ return -EINVAL;
+ reset_regdomains(false, rd);
+ return 0;
+}
/*
* Use this call to set the current regulatory domain. Conflicts with
struct regulatory_request *lr;
int r;
+ if (!reg_is_valid_request(rd->alpha2)) {
+ kfree(rd);
+ return -EINVAL;
+ }
+
lr = get_last_request();
/* Note that this doesn't update the wiphys, this is done below */
- r = __set_regdom(rd);
+ switch (lr->initiator) {
+ case NL80211_REGDOM_SET_BY_CORE:
+ r = reg_set_rd_core(rd);
+ break;
+ case NL80211_REGDOM_SET_BY_USER:
+ r = reg_set_rd_user(rd, lr);
+ break;
+ case NL80211_REGDOM_SET_BY_DRIVER:
+ r = reg_set_rd_driver(rd, lr);
+ break;
+ case NL80211_REGDOM_SET_BY_COUNTRY_IE:
+ r = reg_set_rd_country_ie(rd, lr);
+ break;
+ default:
+ WARN(1, "invalid initiator %d\n", lr->initiator);
+ return -EINVAL;
+ }
+
if (r) {
if (r == -EALREADY)
reg_set_request_processed();
extern const struct ieee80211_regdomain __rcu *cfg80211_regdomain;
+bool reg_is_valid_request(const char *alpha2);
bool is_world_regdom(const char *alpha2);
-bool reg_supported_dfs_region(u8 dfs_region);
+bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region);
int regulatory_hint_user(const char *alpha2,
enum nl80211_user_reg_hint_type user_reg_hint_type);
TRACE_EVENT(rdev_mgmt_tx,
TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev,
- struct ieee80211_channel *chan, bool offchan,
- unsigned int wait, bool no_cck, bool dont_wait_for_ack),
- TP_ARGS(wiphy, wdev, chan, offchan, wait, no_cck, dont_wait_for_ack),
+ struct cfg80211_mgmt_tx_params *params),
+ TP_ARGS(wiphy, wdev, params),
TP_STRUCT__entry(
WIPHY_ENTRY
WDEV_ENTRY
TP_fast_assign(
WIPHY_ASSIGN;
WDEV_ASSIGN;
- CHAN_ASSIGN(chan);
- __entry->offchan = offchan;
- __entry->wait = wait;
- __entry->no_cck = no_cck;
- __entry->dont_wait_for_ack = dont_wait_for_ack;
+ CHAN_ASSIGN(params->chan);
+ __entry->offchan = params->offchan;
+ __entry->wait = params->wait;
+ __entry->no_cck = params->no_cck;
+ __entry->dont_wait_for_ack = params->dont_wait_for_ack;
),
TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", " CHAN_PR_FMT ", offchan: %s,"
" wait: %u, no cck: %s, dont wait for ack: %s",
git.samba.org / sfrench / cifs-2.6.git / commitdiff