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"
58 #define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
60 #define MLX5E_ETH_HARD_MTU (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
62 #define MLX5E_HW2SW_MTU(params, hwmtu) ((hwmtu) - ((params)->hard_mtu))
63 #define MLX5E_SW2HW_MTU(params, swmtu) ((swmtu) + ((params)->hard_mtu))
65 #define MLX5E_MAX_DSCP 64
66 #define MLX5E_MAX_NUM_TC 8
68 #define MLX5_RX_HEADROOM NET_SKB_PAD
69 #define MLX5_SKB_FRAG_SZ(len) (SKB_DATA_ALIGN(len) + \
70 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
72 #define MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev) \
73 (6 + MLX5_CAP_GEN(mdev, cache_line_128byte)) /* HW restriction */
74 #define MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, req) \
75 max_t(u32, MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev), req)
76 #define MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev) MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, 6)
77 #define MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, 8)
78 #define MLX5E_MPWQE_STRIDE_SZ(mdev, cqe_cmprs) \
79 (cqe_cmprs ? MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) : \
80 MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev))
82 #define MLX5_MPWRQ_LOG_WQE_SZ 18
83 #define MLX5_MPWRQ_WQE_PAGE_ORDER (MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT > 0 ? \
84 MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT : 0)
85 #define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER)
87 #define MLX5_MTT_OCTW(npages) (ALIGN(npages, 8) / 2)
88 #define MLX5E_REQUIRED_WQE_MTTS (ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8))
89 #define MLX5E_LOG_ALIGNED_MPWQE_PPW (ilog2(MLX5E_REQUIRED_WQE_MTTS))
90 #define MLX5E_REQUIRED_MTTS(wqes) (wqes * MLX5E_REQUIRED_WQE_MTTS)
91 #define MLX5E_MAX_RQ_NUM_MTTS \
92 ((1 << 16) * 2) /* So that MLX5_MTT_OCTW(num_mtts) fits into u16 */
93 #define MLX5E_ORDER2_MAX_PACKET_MTU (order_base_2(10 * 1024))
94 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW \
95 (ilog2(MLX5E_MAX_RQ_NUM_MTTS / MLX5E_REQUIRED_WQE_MTTS))
96 #define MLX5E_LOG_MAX_RQ_NUM_PACKETS_MPW \
97 (MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW + \
98 (MLX5_MPWRQ_LOG_WQE_SZ - MLX5E_ORDER2_MAX_PACKET_MTU))
100 #define MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE 0x6
101 #define MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE 0xa
102 #define MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE 0xd
104 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE 0x1
105 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
106 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE min_t(u8, 0xd, \
107 MLX5E_LOG_MAX_RQ_NUM_PACKETS_MPW)
109 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x2
111 #define MLX5_MPWRQ_SMALL_PACKET_THRESHOLD (256)
113 #define MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ (64 * 1024)
114 #define MLX5E_DEFAULT_LRO_TIMEOUT 32
115 #define MLX5E_LRO_TIMEOUT_ARR_SIZE 4
117 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC 0x10
118 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE 0x3
119 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS 0x20
120 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC 0x10
121 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC_FROM_CQE 0x10
122 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS 0x20
123 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES 0x80
124 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW 0x2
126 #define MLX5E_LOG_INDIR_RQT_SIZE 0x7
127 #define MLX5E_INDIR_RQT_SIZE BIT(MLX5E_LOG_INDIR_RQT_SIZE)
128 #define MLX5E_MIN_NUM_CHANNELS 0x1
129 #define MLX5E_MAX_NUM_CHANNELS (MLX5E_INDIR_RQT_SIZE >> 1)
130 #define MLX5E_MAX_NUM_SQS (MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC)
131 #define MLX5E_TX_CQ_POLL_BUDGET 128
132 #define MLX5E_UPDATE_STATS_INTERVAL 200 /* msecs */
133 #define MLX5E_SQ_RECOVER_MIN_INTERVAL 500 /* msecs */
135 #define MLX5E_UMR_WQE_INLINE_SZ \
136 (sizeof(struct mlx5e_umr_wqe) + \
137 ALIGN(MLX5_MPWRQ_PAGES_PER_WQE * sizeof(struct mlx5_mtt), \
138 MLX5_UMR_MTT_ALIGNMENT))
139 #define MLX5E_UMR_WQEBBS \
140 (DIV_ROUND_UP(MLX5E_UMR_WQE_INLINE_SZ, MLX5_SEND_WQE_BB))
141 #define MLX5E_ICOSQ_MAX_WQEBBS MLX5E_UMR_WQEBBS
143 #define MLX5E_XDP_MIN_INLINE (ETH_HLEN + VLAN_HLEN)
144 #define MLX5E_XDP_TX_DS_COUNT \
145 ((sizeof(struct mlx5e_tx_wqe) / MLX5_SEND_WQE_DS) + 1 /* SG DS */)
147 #define MLX5E_NUM_MAIN_GROUPS 9
149 #define MLX5E_MSG_LEVEL NETIF_MSG_LINK
151 #define mlx5e_dbg(mlevel, priv, format, ...) \
153 if (NETIF_MSG_##mlevel & (priv)->msglevel) \
154 netdev_warn(priv->netdev, format, \
159 static inline u16 mlx5_min_rx_wqes(int wq_type, u32 wq_size)
162 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
163 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW,
166 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES,
171 static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev)
173 return is_kdump_kernel() ?
174 MLX5E_MIN_NUM_CHANNELS :
175 min_t(int, mdev->priv.eq_table.num_comp_vectors,
176 MLX5E_MAX_NUM_CHANNELS);
179 struct mlx5e_tx_wqe {
180 struct mlx5_wqe_ctrl_seg ctrl;
181 struct mlx5_wqe_eth_seg eth;
184 struct mlx5e_rx_wqe {
185 struct mlx5_wqe_srq_next_seg next;
186 struct mlx5_wqe_data_seg data;
189 struct mlx5e_umr_wqe {
190 struct mlx5_wqe_ctrl_seg ctrl;
191 struct mlx5_wqe_umr_ctrl_seg uctrl;
192 struct mlx5_mkey_seg mkc;
193 struct mlx5_mtt inline_mtts[0];
196 extern const char mlx5e_self_tests[][ETH_GSTRING_LEN];
198 static const char mlx5e_priv_flags[][ETH_GSTRING_LEN] = {
205 enum mlx5e_priv_flag {
206 MLX5E_PFLAG_RX_CQE_BASED_MODER = (1 << 0),
207 MLX5E_PFLAG_TX_CQE_BASED_MODER = (1 << 1),
208 MLX5E_PFLAG_RX_CQE_COMPRESS = (1 << 2),
209 MLX5E_PFLAG_RX_STRIDING_RQ = (1 << 3),
212 #define MLX5E_SET_PFLAG(params, pflag, enable) \
215 (params)->pflags |= (pflag); \
217 (params)->pflags &= ~(pflag); \
220 #define MLX5E_GET_PFLAG(params, pflag) (!!((params)->pflags & (pflag)))
222 #ifdef CONFIG_MLX5_CORE_EN_DCB
223 #define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
226 struct mlx5e_params {
229 u8 log_rq_mtu_frames;
232 bool rx_cqe_compress_def;
233 struct net_dim_cq_moder rx_cq_moderation;
234 struct net_dim_cq_moder tx_cq_moderation;
237 u8 tx_min_inline_mode;
239 u8 toeplitz_hash_key[40];
240 u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE];
241 bool vlan_strip_disable;
247 struct bpf_prog *xdp_prog;
252 #ifdef CONFIG_MLX5_CORE_EN_DCB
253 struct mlx5e_cee_config {
254 /* bw pct for priority group */
255 u8 pg_bw_pct[CEE_DCBX_MAX_PGS];
256 u8 prio_to_pg_map[CEE_DCBX_MAX_PRIO];
257 bool pfc_setting[CEE_DCBX_MAX_PRIO];
264 MLX5_DCB_CHG_NO_RESET,
268 enum mlx5_dcbx_oper_mode mode;
269 struct mlx5e_cee_config cee_cfg; /* pending configuration */
272 /* The only setting that cannot be read from FW */
273 u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
277 struct mlx5e_dcbx_dp {
278 u8 dscp2prio[MLX5E_MAX_DSCP];
284 MLX5E_RQ_STATE_ENABLED,
288 #define MLX5E_TEST_BIT(state, nr) (state & BIT(nr))
291 /* data path - accessed per cqe */
294 /* data path - accessed per napi poll */
296 struct napi_struct *napi;
297 struct mlx5_core_cq mcq;
298 struct mlx5e_channel *channel;
300 /* cqe decompression */
301 struct mlx5_cqe64 title;
302 struct mlx5_mini_cqe8 mini_arr[MLX5_MINI_CQE_ARRAY_SIZE];
305 u16 decmprs_wqe_counter;
308 struct mlx5_core_dev *mdev;
309 struct mlx5_frag_wq_ctrl wq_ctrl;
310 } ____cacheline_aligned_in_smp;
312 struct mlx5e_tx_wqe_info {
319 enum mlx5e_dma_map_type {
320 MLX5E_DMA_MAP_SINGLE,
324 struct mlx5e_sq_dma {
327 enum mlx5e_dma_map_type type;
331 MLX5E_SQ_STATE_ENABLED,
332 MLX5E_SQ_STATE_RECOVERING,
333 MLX5E_SQ_STATE_IPSEC,
337 struct mlx5e_sq_wqe_info {
344 /* dirtied @completion */
347 struct net_dim dim; /* Adaptive Moderation */
350 u16 pc ____cacheline_aligned_in_smp;
352 struct mlx5e_sq_stats stats;
356 /* write@xmit, read@completion */
358 struct mlx5e_sq_dma *dma_fifo;
359 struct mlx5e_tx_wqe_info *wqe_info;
363 struct mlx5_wq_cyc wq;
365 void __iomem *uar_map;
366 struct netdev_queue *txq;
373 struct hwtstamp_config *tstamp;
374 struct mlx5_clock *clock;
377 struct mlx5_wq_ctrl wq_ctrl;
378 struct mlx5e_channel *channel;
381 struct mlx5e_txqsq_recover {
382 struct work_struct recover_work;
385 } ____cacheline_aligned_in_smp;
390 /* dirtied @rx completion */
396 /* write@xmit, read@completion */
398 struct mlx5e_dma_info *di;
404 struct mlx5_wq_cyc wq;
405 void __iomem *uar_map;
413 struct mlx5_wq_ctrl wq_ctrl;
414 struct mlx5e_channel *channel;
415 } ____cacheline_aligned_in_smp;
421 u16 pc ____cacheline_aligned_in_smp;
425 /* write@xmit, read@completion */
427 struct mlx5e_sq_wqe_info *ico_wqe;
431 struct mlx5_wq_cyc wq;
432 void __iomem *uar_map;
438 struct mlx5_wq_ctrl wq_ctrl;
439 struct mlx5e_channel *channel;
440 } ____cacheline_aligned_in_smp;
443 mlx5e_wqc_has_room_for(struct mlx5_wq_cyc *wq, u16 cc, u16 pc, u16 n)
445 return (((wq->sz_m1 & (cc - pc)) >= n) || (cc == pc));
448 struct mlx5e_dma_info {
453 struct mlx5e_wqe_frag_info {
454 struct mlx5e_dma_info di;
458 struct mlx5e_umr_dma_info {
459 struct mlx5e_dma_info dma_info[MLX5_MPWRQ_PAGES_PER_WQE];
462 struct mlx5e_mpw_info {
463 struct mlx5e_umr_dma_info umr;
464 u16 consumed_strides;
465 DECLARE_BITMAP(xdp_xmit_bitmap, MLX5_MPWRQ_PAGES_PER_WQE);
468 /* a single cache unit is capable to serve one napi call (for non-striding rq)
469 * or a MPWQE (for striding rq).
471 #define MLX5E_CACHE_UNIT (MLX5_MPWRQ_PAGES_PER_WQE > NAPI_POLL_WEIGHT ? \
472 MLX5_MPWRQ_PAGES_PER_WQE : NAPI_POLL_WEIGHT)
473 #define MLX5E_CACHE_SIZE (4 * roundup_pow_of_two(MLX5E_CACHE_UNIT))
474 struct mlx5e_page_cache {
477 struct mlx5e_dma_info page_cache[MLX5E_CACHE_SIZE];
481 typedef void (*mlx5e_fp_handle_rx_cqe)(struct mlx5e_rq*, struct mlx5_cqe64*);
482 typedef struct sk_buff *
483 (*mlx5e_fp_skb_from_cqe_mpwrq)(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
484 u16 cqe_bcnt, u32 head_offset, u32 page_idx);
485 typedef bool (*mlx5e_fp_post_rx_wqes)(struct mlx5e_rq *rq);
486 typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq*, u16);
489 MLX5E_RQ_FLAG_XDP_XMIT = BIT(0),
494 struct mlx5_wq_ll wq;
498 struct mlx5e_wqe_frag_info *frag_info;
499 u32 frag_sz; /* max possible skb frag_sz */
505 struct mlx5e_umr_wqe umr_wqe;
506 struct mlx5e_mpw_info *info;
507 mlx5e_fp_skb_from_cqe_mpwrq skb_from_cqe_mpwrq;
510 bool umr_in_progress;
516 u8 map_dir; /* dma map direction */
519 struct mlx5e_channel *channel;
521 struct net_device *netdev;
522 struct mlx5e_rq_stats stats;
524 struct mlx5e_page_cache page_cache;
525 struct hwtstamp_config *tstamp;
526 struct mlx5_clock *clock;
528 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
529 mlx5e_fp_post_rx_wqes post_wqes;
530 mlx5e_fp_dealloc_wqe dealloc_wqe;
535 struct net_dim dim; /* Dynamic Interrupt Moderation */
538 struct bpf_prog *xdp_prog;
540 struct mlx5e_xdpsq xdpsq;
541 DECLARE_BITMAP(flags, 8);
542 struct page_pool *page_pool;
545 struct mlx5_wq_ctrl wq_ctrl;
549 struct mlx5_core_dev *mdev;
550 struct mlx5_core_mkey umr_mkey;
552 /* XDP read-mostly */
553 struct xdp_rxq_info xdp_rxq;
554 } ____cacheline_aligned_in_smp;
556 struct mlx5e_channel {
559 struct mlx5e_txqsq sq[MLX5E_MAX_NUM_TC];
560 struct mlx5e_icosq icosq; /* internal control operations */
562 struct napi_struct napi;
564 struct net_device *netdev;
568 /* data path - accessed per napi poll */
569 struct irq_desc *irq_desc;
570 struct mlx5e_ch_stats stats;
573 struct mlx5e_priv *priv;
574 struct mlx5_core_dev *mdev;
575 struct hwtstamp_config *tstamp;
580 struct mlx5e_channels {
581 struct mlx5e_channel **c;
583 struct mlx5e_params params;
586 enum mlx5e_traffic_types {
591 MLX5E_TT_IPV4_IPSEC_AH,
592 MLX5E_TT_IPV6_IPSEC_AH,
593 MLX5E_TT_IPV4_IPSEC_ESP,
594 MLX5E_TT_IPV6_IPSEC_ESP,
599 MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY,
602 enum mlx5e_tunnel_types {
609 MLX5E_STATE_ASYNC_EVENTS_ENABLED,
611 MLX5E_STATE_DESTROYING,
614 struct mlx5e_vxlan_db {
615 spinlock_t lock; /* protect vxlan table */
616 struct radix_tree_root tree;
619 struct mlx5e_l2_rule {
620 u8 addr[ETH_ALEN + 2];
621 struct mlx5_flow_handle *rule;
624 struct mlx5e_flow_table {
626 struct mlx5_flow_table *t;
627 struct mlx5_flow_group **g;
630 #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
632 struct mlx5e_tc_table {
633 struct mlx5_flow_table *t;
635 struct rhashtable_params ht_params;
636 struct rhashtable ht;
638 DECLARE_HASHTABLE(mod_hdr_tbl, 8);
639 DECLARE_HASHTABLE(hairpin_tbl, 8);
642 struct mlx5e_vlan_table {
643 struct mlx5e_flow_table ft;
644 DECLARE_BITMAP(active_cvlans, VLAN_N_VID);
645 DECLARE_BITMAP(active_svlans, VLAN_N_VID);
646 struct mlx5_flow_handle *active_cvlans_rule[VLAN_N_VID];
647 struct mlx5_flow_handle *active_svlans_rule[VLAN_N_VID];
648 struct mlx5_flow_handle *untagged_rule;
649 struct mlx5_flow_handle *any_cvlan_rule;
650 struct mlx5_flow_handle *any_svlan_rule;
651 bool cvlan_filter_disabled;
654 struct mlx5e_l2_table {
655 struct mlx5e_flow_table ft;
656 struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
657 struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
658 struct mlx5e_l2_rule broadcast;
659 struct mlx5e_l2_rule allmulti;
660 struct mlx5e_l2_rule promisc;
661 bool broadcast_enabled;
662 bool allmulti_enabled;
663 bool promisc_enabled;
666 /* L3/L4 traffic type classifier */
667 struct mlx5e_ttc_table {
668 struct mlx5e_flow_table ft;
669 struct mlx5_flow_handle *rules[MLX5E_NUM_TT];
670 struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT];
673 #define ARFS_HASH_SHIFT BITS_PER_BYTE
674 #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
676 struct mlx5e_flow_table ft;
677 struct mlx5_flow_handle *default_rule;
678 struct hlist_head rules_hash[ARFS_HASH_SIZE];
689 struct mlx5e_arfs_tables {
690 struct arfs_table arfs_tables[ARFS_NUM_TYPES];
691 /* Protect aRFS rules list */
692 spinlock_t arfs_lock;
693 struct list_head rules;
695 struct workqueue_struct *wq;
700 MLX5E_VLAN_FT_LEVEL = 0,
703 MLX5E_INNER_TTC_FT_LEVEL,
708 MLX5E_TC_FT_LEVEL = 0,
709 MLX5E_TC_TTC_FT_LEVEL,
712 struct mlx5e_ethtool_table {
713 struct mlx5_flow_table *ft;
717 #define ETHTOOL_NUM_L3_L4_FTS 7
718 #define ETHTOOL_NUM_L2_FTS 4
720 struct mlx5e_ethtool_steering {
721 struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
722 struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS];
723 struct list_head rules;
727 struct mlx5e_flow_steering {
728 struct mlx5_flow_namespace *ns;
729 struct mlx5e_ethtool_steering ethtool;
730 struct mlx5e_tc_table tc;
731 struct mlx5e_vlan_table vlan;
732 struct mlx5e_l2_table l2;
733 struct mlx5e_ttc_table ttc;
734 struct mlx5e_ttc_table inner_ttc;
735 struct mlx5e_arfs_tables arfs;
745 struct mlx5e_rqt rqt;
746 struct list_head list;
755 /* priv data path fields - start */
756 struct mlx5e_txqsq *txq2sq[MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC];
757 int channel_tc2txq[MLX5E_MAX_NUM_CHANNELS][MLX5E_MAX_NUM_TC];
758 #ifdef CONFIG_MLX5_CORE_EN_DCB
759 struct mlx5e_dcbx_dp dcbx_dp;
761 /* priv data path fields - end */
765 struct mutex state_lock; /* Protects Interface state */
766 struct mlx5e_rq drop_rq;
768 struct mlx5e_channels channels;
769 u32 tisn[MLX5E_MAX_NUM_TC];
770 struct mlx5e_rqt indir_rqt;
771 struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS];
772 struct mlx5e_tir inner_indir_tir[MLX5E_NUM_INDIR_TIRS];
773 struct mlx5e_tir direct_tir[MLX5E_MAX_NUM_CHANNELS];
774 u32 tx_rates[MLX5E_MAX_NUM_SQS];
776 struct mlx5e_flow_steering fs;
777 struct mlx5e_vxlan_db vxlan;
779 struct workqueue_struct *wq;
780 struct work_struct update_carrier_work;
781 struct work_struct set_rx_mode_work;
782 struct work_struct tx_timeout_work;
783 struct delayed_work update_stats_work;
785 struct mlx5_core_dev *mdev;
786 struct net_device *netdev;
787 struct mlx5e_stats stats;
788 struct hwtstamp_config tstamp;
790 u16 drop_rq_q_counter;
791 #ifdef CONFIG_MLX5_CORE_EN_DCB
792 struct mlx5e_dcbx dcbx;
795 const struct mlx5e_profile *profile;
797 #ifdef CONFIG_MLX5_EN_IPSEC
798 struct mlx5e_ipsec *ipsec;
802 struct mlx5e_profile {
803 void (*init)(struct mlx5_core_dev *mdev,
804 struct net_device *netdev,
805 const struct mlx5e_profile *profile, void *ppriv);
806 void (*cleanup)(struct mlx5e_priv *priv);
807 int (*init_rx)(struct mlx5e_priv *priv);
808 void (*cleanup_rx)(struct mlx5e_priv *priv);
809 int (*init_tx)(struct mlx5e_priv *priv);
810 void (*cleanup_tx)(struct mlx5e_priv *priv);
811 void (*enable)(struct mlx5e_priv *priv);
812 void (*disable)(struct mlx5e_priv *priv);
813 void (*update_stats)(struct mlx5e_priv *priv);
814 void (*update_carrier)(struct mlx5e_priv *priv);
815 int (*max_nch)(struct mlx5_core_dev *mdev);
817 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
818 mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe;
820 void (*netdev_registered_init)(struct mlx5e_priv *priv);
821 void (*netdev_registered_remove)(struct mlx5e_priv *priv);
825 void mlx5e_build_ptys2ethtool_map(void);
827 u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb,
828 void *accel_priv, select_queue_fallback_t fallback);
829 netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev);
831 void mlx5e_completion_event(struct mlx5_core_cq *mcq);
832 void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, enum mlx5_event event);
833 int mlx5e_napi_poll(struct napi_struct *napi, int budget);
834 bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget);
835 int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
836 bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq);
837 void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq);
838 void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq);
840 bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev);
841 bool mlx5e_striding_rq_possible(struct mlx5_core_dev *mdev,
842 struct mlx5e_params *params);
844 void mlx5e_page_release(struct mlx5e_rq *rq, struct mlx5e_dma_info *dma_info,
846 void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
847 void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
848 bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
849 bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq);
850 void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix);
851 void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix);
852 void mlx5e_free_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi);
854 mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
855 u16 cqe_bcnt, u32 head_offset, u32 page_idx);
857 mlx5e_skb_from_cqe_mpwrq_nonlinear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
858 u16 cqe_bcnt, u32 head_offset, u32 page_idx);
860 void mlx5e_update_stats(struct mlx5e_priv *priv);
862 int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
863 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
864 void mlx5e_init_l2_addr(struct mlx5e_priv *priv);
865 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
866 int mlx5e_self_test_num(struct mlx5e_priv *priv);
867 void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,
869 int mlx5e_ethtool_get_flow(struct mlx5e_priv *priv, struct ethtool_rxnfc *info,
871 int mlx5e_ethtool_get_all_flows(struct mlx5e_priv *priv,
872 struct ethtool_rxnfc *info, u32 *rule_locs);
873 int mlx5e_ethtool_flow_replace(struct mlx5e_priv *priv,
874 struct ethtool_rx_flow_spec *fs);
875 int mlx5e_ethtool_flow_remove(struct mlx5e_priv *priv,
877 void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);
878 void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);
879 void mlx5e_set_rx_mode_work(struct work_struct *work);
881 int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr);
882 int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr);
883 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val);
885 int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
887 int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
889 void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv);
890 void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
891 void mlx5e_timestamp_init(struct mlx5e_priv *priv);
893 struct mlx5e_redirect_rqt_param {
896 u32 rqn; /* Direct RQN (Non-RSS) */
899 struct mlx5e_channels *channels;
900 } rss; /* RSS data */
904 int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz,
905 struct mlx5e_redirect_rqt_param rrp);
906 void mlx5e_build_indir_tir_ctx_hash(struct mlx5e_params *params,
907 enum mlx5e_traffic_types tt,
908 void *tirc, bool inner);
910 int mlx5e_open_locked(struct net_device *netdev);
911 int mlx5e_close_locked(struct net_device *netdev);
913 int mlx5e_open_channels(struct mlx5e_priv *priv,
914 struct mlx5e_channels *chs);
915 void mlx5e_close_channels(struct mlx5e_channels *chs);
917 /* Function pointer to be used to modify WH settings while
920 typedef int (*mlx5e_fp_hw_modify)(struct mlx5e_priv *priv);
921 void mlx5e_switch_priv_channels(struct mlx5e_priv *priv,
922 struct mlx5e_channels *new_chs,
923 mlx5e_fp_hw_modify hw_modify);
924 void mlx5e_activate_priv_channels(struct mlx5e_priv *priv);
925 void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv);
927 void mlx5e_build_default_indir_rqt(u32 *indirection_rqt, int len,
929 int mlx5e_get_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed);
931 void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params,
933 void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params,
935 void mlx5e_set_rq_type(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
936 void mlx5e_init_rq_type_params(struct mlx5_core_dev *mdev,
937 struct mlx5e_params *params);
939 static inline bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev)
941 return (MLX5_CAP_ETH(mdev, tunnel_stateless_gre) &&
942 MLX5_CAP_FLOWTABLE_NIC_RX(mdev, ft_field_support.inner_ip_version));
946 struct mlx5e_tx_wqe *mlx5e_post_nop(struct mlx5_wq_cyc *wq, u32 sqn, u16 *pc)
948 u16 pi = *pc & wq->sz_m1;
949 struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi);
950 struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
952 memset(cseg, 0, sizeof(*cseg));
954 cseg->opmod_idx_opcode = cpu_to_be32((*pc << 8) | MLX5_OPCODE_NOP);
955 cseg->qpn_ds = cpu_to_be32((sqn << 8) | 0x01);
963 void mlx5e_notify_hw(struct mlx5_wq_cyc *wq, u16 pc,
964 void __iomem *uar_map,
965 struct mlx5_wqe_ctrl_seg *ctrl)
967 ctrl->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE;
968 /* ensure wqe is visible to device before updating doorbell record */
971 *wq->db = cpu_to_be32(pc);
973 /* ensure doorbell record is visible to device before ringing the
978 mlx5_write64((__be32 *)ctrl, uar_map, NULL);
981 static inline void mlx5e_cq_arm(struct mlx5e_cq *cq)
983 struct mlx5_core_cq *mcq;
986 mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, cq->wq.cc);
989 extern const struct ethtool_ops mlx5e_ethtool_ops;
990 #ifdef CONFIG_MLX5_CORE_EN_DCB
991 extern const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops;
992 int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets);
993 void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv);
994 void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv);
995 void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv);
998 #ifndef CONFIG_RFS_ACCEL
999 static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv)
1004 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
1006 static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv)
1011 static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv)
1016 int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
1017 void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
1018 int mlx5e_arfs_enable(struct mlx5e_priv *priv);
1019 int mlx5e_arfs_disable(struct mlx5e_priv *priv);
1020 int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
1021 u16 rxq_index, u32 flow_id);
1024 int mlx5e_create_tir(struct mlx5_core_dev *mdev,
1025 struct mlx5e_tir *tir, u32 *in, int inlen);
1026 void mlx5e_destroy_tir(struct mlx5_core_dev *mdev,
1027 struct mlx5e_tir *tir);
1028 int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev);
1029 void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev);
1030 int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb);
1032 /* common netdev helpers */
1033 int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv);
1035 int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv);
1036 void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv);
1038 int mlx5e_create_direct_rqts(struct mlx5e_priv *priv);
1039 void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv);
1040 int mlx5e_create_direct_tirs(struct mlx5e_priv *priv);
1041 void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv);
1042 void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt);
1045 struct mlx5_flow_table_attr ft_attr;
1047 u32 indir_tirn[MLX5E_NUM_INDIR_TIRS];
1048 struct mlx5e_ttc_table *inner_ttc;
1051 void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params);
1052 void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params);
1053 void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params);
1055 int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
1056 struct mlx5e_ttc_table *ttc);
1057 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv,
1058 struct mlx5e_ttc_table *ttc);
1060 int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
1061 struct mlx5e_ttc_table *ttc);
1062 void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv,
1063 struct mlx5e_ttc_table *ttc);
1065 int mlx5e_create_tis(struct mlx5_core_dev *mdev, int tc,
1066 u32 underlay_qpn, u32 *tisn);
1067 void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn);
1069 int mlx5e_create_tises(struct mlx5e_priv *priv);
1070 void mlx5e_cleanup_nic_tx(struct mlx5e_priv *priv);
1071 int mlx5e_close(struct net_device *netdev);
1072 int mlx5e_open(struct net_device *netdev);
1073 void mlx5e_update_stats_work(struct work_struct *work);
1075 int mlx5e_bits_invert(unsigned long a, int size);
1077 /* ethtool helpers */
1078 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
1079 struct ethtool_drvinfo *drvinfo);
1080 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv,
1081 uint32_t stringset, uint8_t *data);
1082 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset);
1083 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
1084 struct ethtool_stats *stats, u64 *data);
1085 void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
1086 struct ethtool_ringparam *param);
1087 int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
1088 struct ethtool_ringparam *param);
1089 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
1090 struct ethtool_channels *ch);
1091 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
1092 struct ethtool_channels *ch);
1093 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
1094 struct ethtool_coalesce *coal);
1095 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
1096 struct ethtool_coalesce *coal);
1097 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
1098 struct ethtool_ts_info *info);
1099 int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1100 struct ethtool_flash *flash);
1102 int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
1105 /* mlx5e generic netdev management API */
1107 mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile,
1109 int mlx5e_attach_netdev(struct mlx5e_priv *priv);
1110 void mlx5e_detach_netdev(struct mlx5e_priv *priv);
1111 void mlx5e_destroy_netdev(struct mlx5e_priv *priv);
1112 void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
1113 struct mlx5e_params *params,
1114 u16 max_channels, u16 mtu);
1115 u8 mlx5e_params_calculate_tx_min_inline(struct mlx5_core_dev *mdev);
1116 void mlx5e_rx_dim_work(struct work_struct *work);
1117 void mlx5e_tx_dim_work(struct work_struct *work);
1118 #endif /* __MLX5_EN_H__ */