#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/pm_runtime.h>
+#include <linux/highmem.h>
#include "igb.h"
memset(&skb->data[frame_size + 12], 0xAF, 1);
}
-static int igb_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
+static int igb_check_lbtest_frame(struct igb_rx_buffer *rx_buffer,
+ unsigned int frame_size)
{
- frame_size /= 2;
- if (*(skb->data + 3) == 0xFF) {
- if ((*(skb->data + frame_size + 10) == 0xBE) &&
- (*(skb->data + frame_size + 12) == 0xAF)) {
- return 0;
- }
- }
- return 13;
+ unsigned char *data;
+ bool match = true;
+
+ frame_size >>= 1;
+
+ data = kmap(rx_buffer->page);
+
+ if (data[3] != 0xFF ||
+ data[frame_size + 10] != 0xBE ||
+ data[frame_size + 12] != 0xAF)
+ match = false;
+
+ kunmap(rx_buffer->page);
+
+ return match;
}
static int igb_clean_test_rings(struct igb_ring *rx_ring,
union e1000_adv_rx_desc *rx_desc;
struct igb_rx_buffer *rx_buffer_info;
struct igb_tx_buffer *tx_buffer_info;
- struct netdev_queue *txq;
u16 rx_ntc, tx_ntc, count = 0;
- unsigned int total_bytes = 0, total_packets = 0;
/* initialize next to clean and descriptor values */
rx_ntc = rx_ring->next_to_clean;
/* check rx buffer */
rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
- /* unmap rx buffer, will be remapped by alloc_rx_buffers */
- dma_unmap_single(rx_ring->dev,
- rx_buffer_info->dma,
- IGB_RX_HDR_LEN,
- DMA_FROM_DEVICE);
- rx_buffer_info->dma = 0;
+ /* sync Rx buffer for CPU read */
+ dma_sync_single_for_cpu(rx_ring->dev,
+ rx_buffer_info->dma,
+ IGB_RX_BUFSZ,
+ DMA_FROM_DEVICE);
/* verify contents of skb */
- if (!igb_check_lbtest_frame(rx_buffer_info->skb, size))
+ if (igb_check_lbtest_frame(rx_buffer_info, size))
count++;
+ /* sync Rx buffer for device write */
+ dma_sync_single_for_device(rx_ring->dev,
+ rx_buffer_info->dma,
+ IGB_RX_BUFSZ,
+ DMA_FROM_DEVICE);
+
/* unmap buffer on tx side */
tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
- total_bytes += tx_buffer_info->bytecount;
- total_packets += tx_buffer_info->gso_segs;
igb_unmap_and_free_tx_resource(tx_ring, tx_buffer_info);
/* increment rx/tx next to clean counters */
rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
}
- txq = netdev_get_tx_queue(tx_ring->netdev, tx_ring->queue_index);
- netdev_tx_completed_queue(txq, total_packets, total_bytes);
+ netdev_tx_reset_queue(txring_txq(tx_ring));
/* re-map buffers to ring, store next to clean values */
igb_alloc_rx_buffers(rx_ring, count);
msleep_interruptible(4 * 1000);
}
-static int igb_wol_exclusion(struct igb_adapter *adapter,
- struct ethtool_wolinfo *wol)
-{
- struct e1000_hw *hw = &adapter->hw;
- int retval = 1; /* fail by default */
-
- switch (hw->device_id) {
- case E1000_DEV_ID_82575GB_QUAD_COPPER:
- /* WoL not supported */
- wol->supported = 0;
- break;
- case E1000_DEV_ID_82575EB_FIBER_SERDES:
- case E1000_DEV_ID_82576_FIBER:
- case E1000_DEV_ID_82576_SERDES:
- /* Wake events not supported on port B */
- if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1) {
- wol->supported = 0;
- break;
- }
- /* return success for non excluded adapter ports */
- retval = 0;
- break;
- case E1000_DEV_ID_82576_QUAD_COPPER:
- case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
- /* quad port adapters only support WoL on port A */
- if (!(adapter->flags & IGB_FLAG_QUAD_PORT_A)) {
- wol->supported = 0;
- break;
- }
- /* return success for non excluded adapter ports */
- retval = 0;
- break;
- default:
- /* dual port cards only support WoL on port A from now on
- * unless it was enabled in the eeprom for port B
- * so exclude FUNC_1 ports from having WoL enabled */
- if ((rd32(E1000_STATUS) & E1000_STATUS_FUNC_MASK) &&
- !adapter->eeprom_wol) {
- wol->supported = 0;
- break;
- }
-
- retval = 0;
- }
-
- return retval;
-}
-
static void igb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
struct igb_adapter *adapter = netdev_priv(netdev);
WAKE_PHY;
wol->wolopts = 0;
- /* this function will set ->supported = 0 and return 1 if wol is not
- * supported by this hardware */
- if (igb_wol_exclusion(adapter, wol) ||
- !device_can_wakeup(&adapter->pdev->dev))
+ if (!(adapter->flags & IGB_FLAG_WOL_SUPPORTED))
return;
/* apply any specific unsupported masks here */
if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE))
return -EOPNOTSUPP;
- if (igb_wol_exclusion(adapter, wol) ||
- !device_can_wakeup(&adapter->pdev->dev))
+ if (!(adapter->flags & IGB_FLAG_WOL_SUPPORTED))
return wol->wolopts ? -EOPNOTSUPP : 0;
/* these settings will always override what we currently have */
struct igb_adapter *adapter = netdev_priv(dev);
switch (adapter->hw.mac.type) {
-#ifdef CONFIG_IGB_PTP
case e1000_82576:
case e1000_82580:
case e1000_i350:
(1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
return 0;
-#endif /* CONFIG_IGB_PTP */
default:
return -EOPNOTSUPP;
}
}
+static int igb_get_rss_hash_opts(struct igb_adapter *adapter,
+ struct ethtool_rxnfc *cmd)
+{
+ cmd->data = 0;
+
+ /* Report default options for RSS on igb */
+ switch (cmd->flow_type) {
+ case TCP_V4_FLOW:
+ cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ case UDP_V4_FLOW:
+ if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV4_UDP)
+ cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ case SCTP_V4_FLOW:
+ case AH_ESP_V4_FLOW:
+ case AH_V4_FLOW:
+ case ESP_V4_FLOW:
+ case IPV4_FLOW:
+ cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case TCP_V6_FLOW:
+ cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ case UDP_V6_FLOW:
+ if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV6_UDP)
+ cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ case SCTP_V6_FLOW:
+ case AH_ESP_V6_FLOW:
+ case AH_V6_FLOW:
+ case ESP_V6_FLOW:
+ case IPV6_FLOW:
+ cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int igb_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ struct igb_adapter *adapter = netdev_priv(dev);
+ int ret = -EOPNOTSUPP;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_GRXRINGS:
+ cmd->data = adapter->num_rx_queues;
+ ret = 0;
+ break;
+ case ETHTOOL_GRXFH:
+ ret = igb_get_rss_hash_opts(adapter, cmd);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+#define UDP_RSS_FLAGS (IGB_FLAG_RSS_FIELD_IPV4_UDP | \
+ IGB_FLAG_RSS_FIELD_IPV6_UDP)
+static int igb_set_rss_hash_opt(struct igb_adapter *adapter,
+ struct ethtool_rxnfc *nfc)
+{
+ u32 flags = adapter->flags;
+
+ /* RSS does not support anything other than hashing
+ * to queues on src and dst IPs and ports
+ */
+ if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
+ RXH_L4_B_0_1 | RXH_L4_B_2_3))
+ return -EINVAL;
+
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ case TCP_V6_FLOW:
+ if (!(nfc->data & RXH_IP_SRC) ||
+ !(nfc->data & RXH_IP_DST) ||
+ !(nfc->data & RXH_L4_B_0_1) ||
+ !(nfc->data & RXH_L4_B_2_3))
+ return -EINVAL;
+ break;
+ case UDP_V4_FLOW:
+ if (!(nfc->data & RXH_IP_SRC) ||
+ !(nfc->data & RXH_IP_DST))
+ return -EINVAL;
+ switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ flags &= ~IGB_FLAG_RSS_FIELD_IPV4_UDP;
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ flags |= IGB_FLAG_RSS_FIELD_IPV4_UDP;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case UDP_V6_FLOW:
+ if (!(nfc->data & RXH_IP_SRC) ||
+ !(nfc->data & RXH_IP_DST))
+ return -EINVAL;
+ switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ flags &= ~IGB_FLAG_RSS_FIELD_IPV6_UDP;
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ flags |= IGB_FLAG_RSS_FIELD_IPV6_UDP;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case AH_ESP_V4_FLOW:
+ case AH_V4_FLOW:
+ case ESP_V4_FLOW:
+ case SCTP_V4_FLOW:
+ case AH_ESP_V6_FLOW:
+ case AH_V6_FLOW:
+ case ESP_V6_FLOW:
+ case SCTP_V6_FLOW:
+ if (!(nfc->data & RXH_IP_SRC) ||
+ !(nfc->data & RXH_IP_DST) ||
+ (nfc->data & RXH_L4_B_0_1) ||
+ (nfc->data & RXH_L4_B_2_3))
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* if we changed something we need to update flags */
+ if (flags != adapter->flags) {
+ struct e1000_hw *hw = &adapter->hw;
+ u32 mrqc = rd32(E1000_MRQC);
+
+ if ((flags & UDP_RSS_FLAGS) &&
+ !(adapter->flags & UDP_RSS_FLAGS))
+ dev_err(&adapter->pdev->dev,
+ "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
+
+ adapter->flags = flags;
+
+ /* Perform hash on these packet types */
+ mrqc |= E1000_MRQC_RSS_FIELD_IPV4 |
+ E1000_MRQC_RSS_FIELD_IPV4_TCP |
+ E1000_MRQC_RSS_FIELD_IPV6 |
+ E1000_MRQC_RSS_FIELD_IPV6_TCP;
+
+ mrqc &= ~(E1000_MRQC_RSS_FIELD_IPV4_UDP |
+ E1000_MRQC_RSS_FIELD_IPV6_UDP);
+
+ if (flags & IGB_FLAG_RSS_FIELD_IPV4_UDP)
+ mrqc |= E1000_MRQC_RSS_FIELD_IPV4_UDP;
+
+ if (flags & IGB_FLAG_RSS_FIELD_IPV6_UDP)
+ mrqc |= E1000_MRQC_RSS_FIELD_IPV6_UDP;
+
+ wr32(E1000_MRQC, mrqc);
+ }
+
+ return 0;
+}
+
+static int igb_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
+{
+ struct igb_adapter *adapter = netdev_priv(dev);
+ int ret = -EOPNOTSUPP;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_SRXFH:
+ ret = igb_set_rss_hash_opt(adapter, cmd);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static int igb_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+ u32 ipcnfg, eeer;
+
+ if ((hw->mac.type < e1000_i350) ||
+ (hw->phy.media_type != e1000_media_type_copper))
+ return -EOPNOTSUPP;
+
+ edata->supported = (SUPPORTED_1000baseT_Full |
+ SUPPORTED_100baseT_Full);
+
+ ipcnfg = rd32(E1000_IPCNFG);
+ eeer = rd32(E1000_EEER);
+
+ /* EEE status on negotiated link */
+ if (ipcnfg & E1000_IPCNFG_EEE_1G_AN)
+ edata->advertised = ADVERTISED_1000baseT_Full;
+
+ if (ipcnfg & E1000_IPCNFG_EEE_100M_AN)
+ edata->advertised |= ADVERTISED_100baseT_Full;
+
+ if (eeer & E1000_EEER_EEE_NEG)
+ edata->eee_active = true;
+
+ edata->eee_enabled = !hw->dev_spec._82575.eee_disable;
+
+ if (eeer & E1000_EEER_TX_LPI_EN)
+ edata->tx_lpi_enabled = true;
+
+ /* Report correct negotiated EEE status for devices that
+ * wrongly report EEE at half-duplex
+ */
+ if (adapter->link_duplex == HALF_DUPLEX) {
+ edata->eee_enabled = false;
+ edata->eee_active = false;
+ edata->tx_lpi_enabled = false;
+ edata->advertised &= ~edata->advertised;
+ }
+
+ return 0;
+}
+
+static int igb_set_eee(struct net_device *netdev,
+ struct ethtool_eee *edata)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+ struct ethtool_eee eee_curr;
+ s32 ret_val;
+
+ if ((hw->mac.type < e1000_i350) ||
+ (hw->phy.media_type != e1000_media_type_copper))
+ return -EOPNOTSUPP;
+
+ ret_val = igb_get_eee(netdev, &eee_curr);
+ if (ret_val)
+ return ret_val;
+
+ if (eee_curr.eee_enabled) {
+ if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
+ dev_err(&adapter->pdev->dev,
+ "Setting EEE tx-lpi is not supported\n");
+ return -EINVAL;
+ }
+
+ /* Tx LPI timer is not implemented currently */
+ if (edata->tx_lpi_timer) {
+ dev_err(&adapter->pdev->dev,
+ "Setting EEE Tx LPI timer is not supported\n");
+ return -EINVAL;
+ }
+
+ if (eee_curr.advertised != edata->advertised) {
+ dev_err(&adapter->pdev->dev,
+ "Setting EEE Advertisement is not supported\n");
+ return -EINVAL;
+ }
+
+ } else if (!edata->eee_enabled) {
+ dev_err(&adapter->pdev->dev,
+ "Setting EEE options are not supported with EEE disabled\n");
+ return -EINVAL;
+ }
+
+ if (hw->dev_spec._82575.eee_disable != !edata->eee_enabled) {
+ hw->dev_spec._82575.eee_disable = !edata->eee_enabled;
+ igb_set_eee_i350(hw);
+
+ /* reset link */
+ if (!netif_running(netdev))
+ igb_reset(adapter);
+ }
+
+ return 0;
+}
+
static int igb_ethtool_begin(struct net_device *netdev)
{
struct igb_adapter *adapter = netdev_priv(netdev);
.get_coalesce = igb_get_coalesce,
.set_coalesce = igb_set_coalesce,
.get_ts_info = igb_get_ts_info,
+ .get_rxnfc = igb_get_rxnfc,
+ .set_rxnfc = igb_set_rxnfc,
+ .get_eee = igb_get_eee,
+ .set_eee = igb_set_eee,
.begin = igb_ethtool_begin,
.complete = igb_ethtool_complete,
};
git.samba.org / sfrench / cifs-2.6.git / blobdiff