2 * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 #include <linux/if_vlan.h>
36 #include <linux/etherdevice.h>
37 #include <linux/timecounter.h>
38 #include <linux/net_tstamp.h>
39 #include <linux/ptp_clock_kernel.h>
40 #include <linux/crash_dump.h>
41 #include <linux/mlx5/driver.h>
42 #include <linux/mlx5/qp.h>
43 #include <linux/mlx5/cq.h>
44 #include <linux/mlx5/port.h>
45 #include <linux/mlx5/vport.h>
46 #include <linux/mlx5/transobj.h>
47 #include <linux/mlx5/fs.h>
48 #include <linux/rhashtable.h>
49 #include <net/switchdev.h>
51 #include <linux/net_dim.h>
53 #include "mlx5_core.h"
56 #define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
58 #define MLX5E_ETH_HARD_MTU (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
60 #define MLX5E_HW2SW_MTU(params, hwmtu) ((hwmtu) - ((params)->hard_mtu))
61 #define MLX5E_SW2HW_MTU(params, swmtu) ((swmtu) + ((params)->hard_mtu))
63 #define MLX5E_MAX_DSCP 64
64 #define MLX5E_MAX_NUM_TC 8
66 #define MLX5_RX_HEADROOM NET_SKB_PAD
67 #define MLX5_SKB_FRAG_SZ(len) (SKB_DATA_ALIGN(len) + \
68 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
70 #define MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev) \
71 (6 + MLX5_CAP_GEN(mdev, cache_line_128byte)) /* HW restriction */
72 #define MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, req) \
73 max_t(u32, MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev), req)
74 #define MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev) MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, 6)
75 #define MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, 8)
76 #define MLX5E_MPWQE_STRIDE_SZ(mdev, cqe_cmprs) \
77 (cqe_cmprs ? MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) : \
78 MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev))
80 #define MLX5_MPWRQ_LOG_WQE_SZ 18
81 #define MLX5_MPWRQ_WQE_PAGE_ORDER (MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT > 0 ? \
82 MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT : 0)
83 #define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER)
85 #define MLX5_MTT_OCTW(npages) (ALIGN(npages, 8) / 2)
86 #define MLX5E_REQUIRED_WQE_MTTS (ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8))
87 #define MLX5E_LOG_ALIGNED_MPWQE_PPW (ilog2(MLX5E_REQUIRED_WQE_MTTS))
88 #define MLX5E_REQUIRED_MTTS(wqes) (wqes * MLX5E_REQUIRED_WQE_MTTS)
89 #define MLX5E_MAX_RQ_NUM_MTTS \
90 ((1 << 16) * 2) /* So that MLX5_MTT_OCTW(num_mtts) fits into u16 */
91 #define MLX5E_ORDER2_MAX_PACKET_MTU (order_base_2(10 * 1024))
92 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW \
93 (ilog2(MLX5E_MAX_RQ_NUM_MTTS / MLX5E_REQUIRED_WQE_MTTS))
94 #define MLX5E_LOG_MAX_RQ_NUM_PACKETS_MPW \
95 (MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW + \
96 (MLX5_MPWRQ_LOG_WQE_SZ - MLX5E_ORDER2_MAX_PACKET_MTU))
98 #define MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE 0x6
99 #define MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE 0xa
100 #define MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE 0xd
102 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE 0x1
103 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
104 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE min_t(u8, 0xd, \
105 MLX5E_LOG_MAX_RQ_NUM_PACKETS_MPW)
107 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x2
109 #define MLX5_MPWRQ_SMALL_PACKET_THRESHOLD (256)
111 #define MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ (64 * 1024)
112 #define MLX5E_DEFAULT_LRO_TIMEOUT 32
113 #define MLX5E_LRO_TIMEOUT_ARR_SIZE 4
115 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC 0x10
116 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE 0x3
117 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS 0x20
118 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC 0x10
119 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC_FROM_CQE 0x10
120 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS 0x20
121 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES 0x80
122 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW 0x2
124 #define MLX5E_LOG_INDIR_RQT_SIZE 0x7
125 #define MLX5E_INDIR_RQT_SIZE BIT(MLX5E_LOG_INDIR_RQT_SIZE)
126 #define MLX5E_MIN_NUM_CHANNELS 0x1
127 #define MLX5E_MAX_NUM_CHANNELS (MLX5E_INDIR_RQT_SIZE >> 1)
128 #define MLX5E_MAX_NUM_SQS (MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC)
129 #define MLX5E_TX_CQ_POLL_BUDGET 128
130 #define MLX5E_UPDATE_STATS_INTERVAL 200 /* msecs */
131 #define MLX5E_SQ_RECOVER_MIN_INTERVAL 500 /* msecs */
133 #define MLX5E_UMR_WQE_INLINE_SZ \
134 (sizeof(struct mlx5e_umr_wqe) + \
135 ALIGN(MLX5_MPWRQ_PAGES_PER_WQE * sizeof(struct mlx5_mtt), \
136 MLX5_UMR_MTT_ALIGNMENT))
137 #define MLX5E_UMR_WQEBBS \
138 (DIV_ROUND_UP(MLX5E_UMR_WQE_INLINE_SZ, MLX5_SEND_WQE_BB))
139 #define MLX5E_ICOSQ_MAX_WQEBBS MLX5E_UMR_WQEBBS
141 #define MLX5E_XDP_MIN_INLINE (ETH_HLEN + VLAN_HLEN)
142 #define MLX5E_XDP_TX_DS_COUNT \
143 ((sizeof(struct mlx5e_tx_wqe) / MLX5_SEND_WQE_DS) + 1 /* SG DS */)
145 #define MLX5E_NUM_MAIN_GROUPS 9
147 #define MLX5E_MSG_LEVEL NETIF_MSG_LINK
149 #define mlx5e_dbg(mlevel, priv, format, ...) \
151 if (NETIF_MSG_##mlevel & (priv)->msglevel) \
152 netdev_warn(priv->netdev, format, \
157 static inline u16 mlx5_min_rx_wqes(int wq_type, u32 wq_size)
160 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
161 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW,
164 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES,
169 static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev)
171 return is_kdump_kernel() ?
172 MLX5E_MIN_NUM_CHANNELS :
173 min_t(int, mdev->priv.eq_table.num_comp_vectors,
174 MLX5E_MAX_NUM_CHANNELS);
177 struct mlx5e_tx_wqe {
178 struct mlx5_wqe_ctrl_seg ctrl;
179 struct mlx5_wqe_eth_seg eth;
182 struct mlx5e_rx_wqe {
183 struct mlx5_wqe_srq_next_seg next;
184 struct mlx5_wqe_data_seg data;
187 struct mlx5e_umr_wqe {
188 struct mlx5_wqe_ctrl_seg ctrl;
189 struct mlx5_wqe_umr_ctrl_seg uctrl;
190 struct mlx5_mkey_seg mkc;
191 struct mlx5_mtt inline_mtts[0];
194 extern const char mlx5e_self_tests[][ETH_GSTRING_LEN];
196 static const char mlx5e_priv_flags[][ETH_GSTRING_LEN] = {
203 enum mlx5e_priv_flag {
204 MLX5E_PFLAG_RX_CQE_BASED_MODER = (1 << 0),
205 MLX5E_PFLAG_TX_CQE_BASED_MODER = (1 << 1),
206 MLX5E_PFLAG_RX_CQE_COMPRESS = (1 << 2),
207 MLX5E_PFLAG_RX_STRIDING_RQ = (1 << 3),
210 #define MLX5E_SET_PFLAG(params, pflag, enable) \
213 (params)->pflags |= (pflag); \
215 (params)->pflags &= ~(pflag); \
218 #define MLX5E_GET_PFLAG(params, pflag) (!!((params)->pflags & (pflag)))
220 #ifdef CONFIG_MLX5_CORE_EN_DCB
221 #define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
224 struct mlx5e_params {
227 u8 log_rq_mtu_frames;
230 bool rx_cqe_compress_def;
231 struct net_dim_cq_moder rx_cq_moderation;
232 struct net_dim_cq_moder tx_cq_moderation;
235 u8 tx_min_inline_mode;
237 u8 toeplitz_hash_key[40];
238 u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE];
239 bool vlan_strip_disable;
244 struct bpf_prog *xdp_prog;
249 #ifdef CONFIG_MLX5_CORE_EN_DCB
250 struct mlx5e_cee_config {
251 /* bw pct for priority group */
252 u8 pg_bw_pct[CEE_DCBX_MAX_PGS];
253 u8 prio_to_pg_map[CEE_DCBX_MAX_PRIO];
254 bool pfc_setting[CEE_DCBX_MAX_PRIO];
261 MLX5_DCB_CHG_NO_RESET,
265 enum mlx5_dcbx_oper_mode mode;
266 struct mlx5e_cee_config cee_cfg; /* pending configuration */
269 /* The only setting that cannot be read from FW */
270 u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
274 struct mlx5e_dcbx_dp {
275 u8 dscp2prio[MLX5E_MAX_DSCP];
281 MLX5E_RQ_STATE_ENABLED,
285 #define MLX5E_TEST_BIT(state, nr) (state & BIT(nr))
288 /* data path - accessed per cqe */
291 /* data path - accessed per napi poll */
293 struct napi_struct *napi;
294 struct mlx5_core_cq mcq;
295 struct mlx5e_channel *channel;
297 /* cqe decompression */
298 struct mlx5_cqe64 title;
299 struct mlx5_mini_cqe8 mini_arr[MLX5_MINI_CQE_ARRAY_SIZE];
302 u16 decmprs_wqe_counter;
305 struct mlx5_core_dev *mdev;
306 struct mlx5_frag_wq_ctrl wq_ctrl;
307 } ____cacheline_aligned_in_smp;
309 struct mlx5e_tx_wqe_info {
316 enum mlx5e_dma_map_type {
317 MLX5E_DMA_MAP_SINGLE,
321 struct mlx5e_sq_dma {
324 enum mlx5e_dma_map_type type;
328 MLX5E_SQ_STATE_ENABLED,
329 MLX5E_SQ_STATE_RECOVERING,
330 MLX5E_SQ_STATE_IPSEC,
333 struct mlx5e_sq_wqe_info {
340 /* dirtied @completion */
345 u16 pc ____cacheline_aligned_in_smp;
347 struct mlx5e_sq_stats stats;
351 /* write@xmit, read@completion */
353 struct mlx5e_sq_dma *dma_fifo;
354 struct mlx5e_tx_wqe_info *wqe_info;
358 struct mlx5_wq_cyc wq;
360 void __iomem *uar_map;
361 struct netdev_queue *txq;
368 struct hwtstamp_config *tstamp;
369 struct mlx5_clock *clock;
372 struct mlx5_wq_ctrl wq_ctrl;
373 struct mlx5e_channel *channel;
376 struct mlx5e_txqsq_recover {
377 struct work_struct recover_work;
380 } ____cacheline_aligned_in_smp;
385 /* dirtied @rx completion */
391 /* write@xmit, read@completion */
393 struct mlx5e_dma_info *di;
398 struct mlx5_wq_cyc wq;
399 void __iomem *uar_map;
407 struct mlx5_wq_ctrl wq_ctrl;
408 struct mlx5e_channel *channel;
409 } ____cacheline_aligned_in_smp;
415 u16 pc ____cacheline_aligned_in_smp;
419 /* write@xmit, read@completion */
421 struct mlx5e_sq_wqe_info *ico_wqe;
425 struct mlx5_wq_cyc wq;
426 void __iomem *uar_map;
432 struct mlx5_wq_ctrl wq_ctrl;
433 struct mlx5e_channel *channel;
434 } ____cacheline_aligned_in_smp;
437 mlx5e_wqc_has_room_for(struct mlx5_wq_cyc *wq, u16 cc, u16 pc, u16 n)
439 return (((wq->sz_m1 & (cc - pc)) >= n) || (cc == pc));
442 struct mlx5e_dma_info {
447 struct mlx5e_wqe_frag_info {
448 struct mlx5e_dma_info di;
452 struct mlx5e_umr_dma_info {
453 struct mlx5e_dma_info dma_info[MLX5_MPWRQ_PAGES_PER_WQE];
456 struct mlx5e_mpw_info {
457 struct mlx5e_umr_dma_info umr;
458 u16 consumed_strides;
459 DECLARE_BITMAP(xdp_xmit_bitmap, MLX5_MPWRQ_PAGES_PER_WQE);
462 /* a single cache unit is capable to serve one napi call (for non-striding rq)
463 * or a MPWQE (for striding rq).
465 #define MLX5E_CACHE_UNIT (MLX5_MPWRQ_PAGES_PER_WQE > NAPI_POLL_WEIGHT ? \
466 MLX5_MPWRQ_PAGES_PER_WQE : NAPI_POLL_WEIGHT)
467 #define MLX5E_CACHE_SIZE (4 * roundup_pow_of_two(MLX5E_CACHE_UNIT))
468 struct mlx5e_page_cache {
471 struct mlx5e_dma_info page_cache[MLX5E_CACHE_SIZE];
475 typedef void (*mlx5e_fp_handle_rx_cqe)(struct mlx5e_rq*, struct mlx5_cqe64*);
476 typedef struct sk_buff *
477 (*mlx5e_fp_skb_from_cqe_mpwrq)(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
478 u16 cqe_bcnt, u32 head_offset, u32 page_idx);
479 typedef bool (*mlx5e_fp_post_rx_wqes)(struct mlx5e_rq *rq);
480 typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq*, u16);
483 MLX5E_RQ_FLAG_XDP_XMIT = BIT(0),
488 struct mlx5_wq_ll wq;
492 struct mlx5e_wqe_frag_info *frag_info;
493 u32 frag_sz; /* max possible skb frag_sz */
499 struct mlx5e_umr_wqe umr_wqe;
500 struct mlx5e_mpw_info *info;
501 mlx5e_fp_skb_from_cqe_mpwrq skb_from_cqe_mpwrq;
504 bool umr_in_progress;
510 u8 map_dir; /* dma map direction */
513 struct mlx5e_channel *channel;
515 struct net_device *netdev;
516 struct mlx5e_rq_stats stats;
518 struct mlx5e_page_cache page_cache;
519 struct hwtstamp_config *tstamp;
520 struct mlx5_clock *clock;
522 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
523 mlx5e_fp_post_rx_wqes post_wqes;
524 mlx5e_fp_dealloc_wqe dealloc_wqe;
529 struct net_dim dim; /* Dynamic Interrupt Moderation */
532 struct bpf_prog *xdp_prog;
534 struct mlx5e_xdpsq xdpsq;
535 DECLARE_BITMAP(flags, 8);
538 struct mlx5_wq_ctrl wq_ctrl;
542 struct mlx5_core_dev *mdev;
543 struct mlx5_core_mkey umr_mkey;
545 /* XDP read-mostly */
546 struct xdp_rxq_info xdp_rxq;
547 } ____cacheline_aligned_in_smp;
549 struct mlx5e_channel {
552 struct mlx5e_txqsq sq[MLX5E_MAX_NUM_TC];
553 struct mlx5e_icosq icosq; /* internal control operations */
555 struct napi_struct napi;
557 struct net_device *netdev;
561 /* data path - accessed per napi poll */
562 struct irq_desc *irq_desc;
563 struct mlx5e_ch_stats stats;
566 struct mlx5e_priv *priv;
567 struct mlx5_core_dev *mdev;
568 struct hwtstamp_config *tstamp;
573 struct mlx5e_channels {
574 struct mlx5e_channel **c;
576 struct mlx5e_params params;
579 enum mlx5e_traffic_types {
584 MLX5E_TT_IPV4_IPSEC_AH,
585 MLX5E_TT_IPV6_IPSEC_AH,
586 MLX5E_TT_IPV4_IPSEC_ESP,
587 MLX5E_TT_IPV6_IPSEC_ESP,
592 MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY,
595 enum mlx5e_tunnel_types {
602 MLX5E_STATE_ASYNC_EVENTS_ENABLED,
604 MLX5E_STATE_DESTROYING,
607 struct mlx5e_vxlan_db {
608 spinlock_t lock; /* protect vxlan table */
609 struct radix_tree_root tree;
612 struct mlx5e_l2_rule {
613 u8 addr[ETH_ALEN + 2];
614 struct mlx5_flow_handle *rule;
617 struct mlx5e_flow_table {
619 struct mlx5_flow_table *t;
620 struct mlx5_flow_group **g;
623 #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
625 struct mlx5e_tc_table {
626 struct mlx5_flow_table *t;
628 struct rhashtable_params ht_params;
629 struct rhashtable ht;
631 DECLARE_HASHTABLE(mod_hdr_tbl, 8);
632 DECLARE_HASHTABLE(hairpin_tbl, 8);
635 struct mlx5e_vlan_table {
636 struct mlx5e_flow_table ft;
637 DECLARE_BITMAP(active_cvlans, VLAN_N_VID);
638 DECLARE_BITMAP(active_svlans, VLAN_N_VID);
639 struct mlx5_flow_handle *active_cvlans_rule[VLAN_N_VID];
640 struct mlx5_flow_handle *active_svlans_rule[VLAN_N_VID];
641 struct mlx5_flow_handle *untagged_rule;
642 struct mlx5_flow_handle *any_cvlan_rule;
643 struct mlx5_flow_handle *any_svlan_rule;
644 bool cvlan_filter_disabled;
647 struct mlx5e_l2_table {
648 struct mlx5e_flow_table ft;
649 struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
650 struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
651 struct mlx5e_l2_rule broadcast;
652 struct mlx5e_l2_rule allmulti;
653 struct mlx5e_l2_rule promisc;
654 bool broadcast_enabled;
655 bool allmulti_enabled;
656 bool promisc_enabled;
659 /* L3/L4 traffic type classifier */
660 struct mlx5e_ttc_table {
661 struct mlx5e_flow_table ft;
662 struct mlx5_flow_handle *rules[MLX5E_NUM_TT];
663 struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT];
666 #define ARFS_HASH_SHIFT BITS_PER_BYTE
667 #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
669 struct mlx5e_flow_table ft;
670 struct mlx5_flow_handle *default_rule;
671 struct hlist_head rules_hash[ARFS_HASH_SIZE];
682 struct mlx5e_arfs_tables {
683 struct arfs_table arfs_tables[ARFS_NUM_TYPES];
684 /* Protect aRFS rules list */
685 spinlock_t arfs_lock;
686 struct list_head rules;
688 struct workqueue_struct *wq;
693 MLX5E_VLAN_FT_LEVEL = 0,
696 MLX5E_INNER_TTC_FT_LEVEL,
701 MLX5E_TC_FT_LEVEL = 0,
702 MLX5E_TC_TTC_FT_LEVEL,
705 struct mlx5e_ethtool_table {
706 struct mlx5_flow_table *ft;
710 #define ETHTOOL_NUM_L3_L4_FTS 7
711 #define ETHTOOL_NUM_L2_FTS 4
713 struct mlx5e_ethtool_steering {
714 struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
715 struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS];
716 struct list_head rules;
720 struct mlx5e_flow_steering {
721 struct mlx5_flow_namespace *ns;
722 struct mlx5e_ethtool_steering ethtool;
723 struct mlx5e_tc_table tc;
724 struct mlx5e_vlan_table vlan;
725 struct mlx5e_l2_table l2;
726 struct mlx5e_ttc_table ttc;
727 struct mlx5e_ttc_table inner_ttc;
728 struct mlx5e_arfs_tables arfs;
738 struct mlx5e_rqt rqt;
739 struct list_head list;
748 /* priv data path fields - start */
749 struct mlx5e_txqsq *txq2sq[MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC];
750 int channel_tc2txq[MLX5E_MAX_NUM_CHANNELS][MLX5E_MAX_NUM_TC];
751 #ifdef CONFIG_MLX5_CORE_EN_DCB
752 struct mlx5e_dcbx_dp dcbx_dp;
754 /* priv data path fields - end */
758 struct mutex state_lock; /* Protects Interface state */
759 struct mlx5e_rq drop_rq;
761 struct mlx5e_channels channels;
762 u32 tisn[MLX5E_MAX_NUM_TC];
763 struct mlx5e_rqt indir_rqt;
764 struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS];
765 struct mlx5e_tir inner_indir_tir[MLX5E_NUM_INDIR_TIRS];
766 struct mlx5e_tir direct_tir[MLX5E_MAX_NUM_CHANNELS];
767 u32 tx_rates[MLX5E_MAX_NUM_SQS];
769 struct mlx5e_flow_steering fs;
770 struct mlx5e_vxlan_db vxlan;
772 struct workqueue_struct *wq;
773 struct work_struct update_carrier_work;
774 struct work_struct set_rx_mode_work;
775 struct work_struct tx_timeout_work;
776 struct delayed_work update_stats_work;
778 struct mlx5_core_dev *mdev;
779 struct net_device *netdev;
780 struct mlx5e_stats stats;
781 struct hwtstamp_config tstamp;
783 u16 drop_rq_q_counter;
784 #ifdef CONFIG_MLX5_CORE_EN_DCB
785 struct mlx5e_dcbx dcbx;
788 const struct mlx5e_profile *profile;
790 #ifdef CONFIG_MLX5_EN_IPSEC
791 struct mlx5e_ipsec *ipsec;
795 struct mlx5e_profile {
796 void (*init)(struct mlx5_core_dev *mdev,
797 struct net_device *netdev,
798 const struct mlx5e_profile *profile, void *ppriv);
799 void (*cleanup)(struct mlx5e_priv *priv);
800 int (*init_rx)(struct mlx5e_priv *priv);
801 void (*cleanup_rx)(struct mlx5e_priv *priv);
802 int (*init_tx)(struct mlx5e_priv *priv);
803 void (*cleanup_tx)(struct mlx5e_priv *priv);
804 void (*enable)(struct mlx5e_priv *priv);
805 void (*disable)(struct mlx5e_priv *priv);
806 void (*update_stats)(struct mlx5e_priv *priv);
807 void (*update_carrier)(struct mlx5e_priv *priv);
808 int (*max_nch)(struct mlx5_core_dev *mdev);
810 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
811 mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe;
813 void (*netdev_registered_init)(struct mlx5e_priv *priv);
814 void (*netdev_registered_remove)(struct mlx5e_priv *priv);
818 void mlx5e_build_ptys2ethtool_map(void);
820 u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb,
821 void *accel_priv, select_queue_fallback_t fallback);
822 netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev);
824 void mlx5e_completion_event(struct mlx5_core_cq *mcq);
825 void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, enum mlx5_event event);
826 int mlx5e_napi_poll(struct napi_struct *napi, int budget);
827 bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget);
828 int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
829 bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq);
830 void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq);
831 void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq);
833 bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev);
834 bool mlx5e_striding_rq_possible(struct mlx5_core_dev *mdev,
835 struct mlx5e_params *params);
837 void mlx5e_page_release(struct mlx5e_rq *rq, struct mlx5e_dma_info *dma_info,
839 void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
840 void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
841 bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
842 bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq);
843 void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix);
844 void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix);
845 void mlx5e_free_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi);
847 mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
848 u16 cqe_bcnt, u32 head_offset, u32 page_idx);
850 mlx5e_skb_from_cqe_mpwrq_nonlinear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
851 u16 cqe_bcnt, u32 head_offset, u32 page_idx);
853 void mlx5e_update_stats(struct mlx5e_priv *priv);
855 int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
856 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
857 void mlx5e_init_l2_addr(struct mlx5e_priv *priv);
858 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
859 int mlx5e_self_test_num(struct mlx5e_priv *priv);
860 void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,
862 int mlx5e_ethtool_get_flow(struct mlx5e_priv *priv, struct ethtool_rxnfc *info,
864 int mlx5e_ethtool_get_all_flows(struct mlx5e_priv *priv,
865 struct ethtool_rxnfc *info, u32 *rule_locs);
866 int mlx5e_ethtool_flow_replace(struct mlx5e_priv *priv,
867 struct ethtool_rx_flow_spec *fs);
868 int mlx5e_ethtool_flow_remove(struct mlx5e_priv *priv,
870 void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);
871 void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);
872 void mlx5e_set_rx_mode_work(struct work_struct *work);
874 int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr);
875 int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr);
876 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val);
878 int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
880 int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
882 void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv);
883 void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
884 void mlx5e_timestamp_init(struct mlx5e_priv *priv);
886 struct mlx5e_redirect_rqt_param {
889 u32 rqn; /* Direct RQN (Non-RSS) */
892 struct mlx5e_channels *channels;
893 } rss; /* RSS data */
897 int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz,
898 struct mlx5e_redirect_rqt_param rrp);
899 void mlx5e_build_indir_tir_ctx_hash(struct mlx5e_params *params,
900 enum mlx5e_traffic_types tt,
901 void *tirc, bool inner);
903 int mlx5e_open_locked(struct net_device *netdev);
904 int mlx5e_close_locked(struct net_device *netdev);
906 int mlx5e_open_channels(struct mlx5e_priv *priv,
907 struct mlx5e_channels *chs);
908 void mlx5e_close_channels(struct mlx5e_channels *chs);
910 /* Function pointer to be used to modify WH settings while
913 typedef int (*mlx5e_fp_hw_modify)(struct mlx5e_priv *priv);
914 void mlx5e_switch_priv_channels(struct mlx5e_priv *priv,
915 struct mlx5e_channels *new_chs,
916 mlx5e_fp_hw_modify hw_modify);
917 void mlx5e_activate_priv_channels(struct mlx5e_priv *priv);
918 void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv);
920 void mlx5e_build_default_indir_rqt(u32 *indirection_rqt, int len,
922 int mlx5e_get_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed);
924 void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params,
926 void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params,
928 void mlx5e_set_rq_type(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
929 void mlx5e_init_rq_type_params(struct mlx5_core_dev *mdev,
930 struct mlx5e_params *params);
932 static inline bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev)
934 return (MLX5_CAP_ETH(mdev, tunnel_stateless_gre) &&
935 MLX5_CAP_FLOWTABLE_NIC_RX(mdev, ft_field_support.inner_ip_version));
939 struct mlx5e_tx_wqe *mlx5e_post_nop(struct mlx5_wq_cyc *wq, u32 sqn, u16 *pc)
941 u16 pi = *pc & wq->sz_m1;
942 struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi);
943 struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
945 memset(cseg, 0, sizeof(*cseg));
947 cseg->opmod_idx_opcode = cpu_to_be32((*pc << 8) | MLX5_OPCODE_NOP);
948 cseg->qpn_ds = cpu_to_be32((sqn << 8) | 0x01);
956 void mlx5e_notify_hw(struct mlx5_wq_cyc *wq, u16 pc,
957 void __iomem *uar_map,
958 struct mlx5_wqe_ctrl_seg *ctrl)
960 ctrl->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE;
961 /* ensure wqe is visible to device before updating doorbell record */
964 *wq->db = cpu_to_be32(pc);
966 /* ensure doorbell record is visible to device before ringing the
971 mlx5_write64((__be32 *)ctrl, uar_map, NULL);
974 static inline void mlx5e_cq_arm(struct mlx5e_cq *cq)
976 struct mlx5_core_cq *mcq;
979 mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, cq->wq.cc);
982 extern const struct ethtool_ops mlx5e_ethtool_ops;
983 #ifdef CONFIG_MLX5_CORE_EN_DCB
984 extern const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops;
985 int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets);
986 void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv);
987 void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv);
988 void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv);
991 #ifndef CONFIG_RFS_ACCEL
992 static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv)
997 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
999 static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv)
1004 static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv)
1009 int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
1010 void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
1011 int mlx5e_arfs_enable(struct mlx5e_priv *priv);
1012 int mlx5e_arfs_disable(struct mlx5e_priv *priv);
1013 int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
1014 u16 rxq_index, u32 flow_id);
1017 int mlx5e_create_tir(struct mlx5_core_dev *mdev,
1018 struct mlx5e_tir *tir, u32 *in, int inlen);
1019 void mlx5e_destroy_tir(struct mlx5_core_dev *mdev,
1020 struct mlx5e_tir *tir);
1021 int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev);
1022 void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev);
1023 int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb);
1025 /* common netdev helpers */
1026 int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv);
1028 int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv);
1029 void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv);
1031 int mlx5e_create_direct_rqts(struct mlx5e_priv *priv);
1032 void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv);
1033 int mlx5e_create_direct_tirs(struct mlx5e_priv *priv);
1034 void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv);
1035 void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt);
1038 struct mlx5_flow_table_attr ft_attr;
1040 u32 indir_tirn[MLX5E_NUM_INDIR_TIRS];
1041 struct mlx5e_ttc_table *inner_ttc;
1044 void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params);
1045 void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params);
1046 void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params);
1048 int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
1049 struct mlx5e_ttc_table *ttc);
1050 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv,
1051 struct mlx5e_ttc_table *ttc);
1053 int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
1054 struct mlx5e_ttc_table *ttc);
1055 void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv,
1056 struct mlx5e_ttc_table *ttc);
1058 int mlx5e_create_tis(struct mlx5_core_dev *mdev, int tc,
1059 u32 underlay_qpn, u32 *tisn);
1060 void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn);
1062 int mlx5e_create_tises(struct mlx5e_priv *priv);
1063 void mlx5e_cleanup_nic_tx(struct mlx5e_priv *priv);
1064 int mlx5e_close(struct net_device *netdev);
1065 int mlx5e_open(struct net_device *netdev);
1066 void mlx5e_update_stats_work(struct work_struct *work);
1068 int mlx5e_bits_invert(unsigned long a, int size);
1070 /* ethtool helpers */
1071 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
1072 struct ethtool_drvinfo *drvinfo);
1073 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv,
1074 uint32_t stringset, uint8_t *data);
1075 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset);
1076 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
1077 struct ethtool_stats *stats, u64 *data);
1078 void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
1079 struct ethtool_ringparam *param);
1080 int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
1081 struct ethtool_ringparam *param);
1082 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
1083 struct ethtool_channels *ch);
1084 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
1085 struct ethtool_channels *ch);
1086 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
1087 struct ethtool_coalesce *coal);
1088 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
1089 struct ethtool_coalesce *coal);
1090 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
1091 struct ethtool_ts_info *info);
1092 int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1093 struct ethtool_flash *flash);
1095 int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
1098 /* mlx5e generic netdev management API */
1100 mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile,
1102 int mlx5e_attach_netdev(struct mlx5e_priv *priv);
1103 void mlx5e_detach_netdev(struct mlx5e_priv *priv);
1104 void mlx5e_destroy_netdev(struct mlx5e_priv *priv);
1105 void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
1106 struct mlx5e_params *params,
1107 u16 max_channels, u16 mtu);
1108 u8 mlx5e_params_calculate_tx_min_inline(struct mlx5_core_dev *mdev);
1109 void mlx5e_rx_dim_work(struct work_struct *work);
1110 #endif /* __MLX5_EN_H__ */