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
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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(priv, hwmtu) ((hwmtu) - ((priv)->hard_mtu))
61 #define MLX5E_SW2HW_MTU(priv, swmtu) ((swmtu) + ((priv)->hard_mtu))
63 #define MLX5E_MAX_DSCP 64
64 #define MLX5E_MAX_NUM_TC 8
66 #define MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE 0x6
67 #define MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE 0xa
68 #define MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE 0xd
70 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE 0x1
71 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
72 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xd
74 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x2
75 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW 0x3
76 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW 0x6
78 #define MLX5_RX_HEADROOM NET_SKB_PAD
79 #define MLX5_SKB_FRAG_SZ(len) (SKB_DATA_ALIGN(len) + \
80 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
82 #define MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev) \
83 (6 + MLX5_CAP_GEN(mdev, cache_line_128byte)) /* HW restriction */
84 #define MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, req) \
85 max_t(u32, MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev), req)
86 #define MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev) MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, 6)
87 #define MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, 8)
88 #define MLX5E_MPWQE_STRIDE_SZ(mdev, cqe_cmprs) \
89 (cqe_cmprs ? MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) : \
90 MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev))
92 #define MLX5_MPWRQ_LOG_WQE_SZ 18
93 #define MLX5_MPWRQ_WQE_PAGE_ORDER (MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT > 0 ? \
94 MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT : 0)
95 #define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER)
96 #define MLX5_MPWRQ_STRIDES_PER_PAGE (MLX5_MPWRQ_NUM_STRIDES >> \
97 MLX5_MPWRQ_WQE_PAGE_ORDER)
99 #define MLX5_MTT_OCTW(npages) (ALIGN(npages, 8) / 2)
100 #define MLX5E_REQUIRED_MTTS(wqes) \
101 (wqes * ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8))
102 #define MLX5E_VALID_NUM_MTTS(num_mtts) (MLX5_MTT_OCTW(num_mtts) - 1 <= U16_MAX)
104 #define MLX5_UMR_ALIGN (2048)
105 #define MLX5_MPWRQ_SMALL_PACKET_THRESHOLD (256)
107 #define MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ (64 * 1024)
108 #define MLX5E_DEFAULT_LRO_TIMEOUT 32
109 #define MLX5E_LRO_TIMEOUT_ARR_SIZE 4
111 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC 0x10
112 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE 0x3
113 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS 0x20
114 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC 0x10
115 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC_FROM_CQE 0x10
116 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS 0x20
117 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES 0x80
118 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW 0x2
120 #define MLX5E_LOG_INDIR_RQT_SIZE 0x7
121 #define MLX5E_INDIR_RQT_SIZE BIT(MLX5E_LOG_INDIR_RQT_SIZE)
122 #define MLX5E_MIN_NUM_CHANNELS 0x1
123 #define MLX5E_MAX_NUM_CHANNELS (MLX5E_INDIR_RQT_SIZE >> 1)
124 #define MLX5E_MAX_NUM_SQS (MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC)
125 #define MLX5E_TX_CQ_POLL_BUDGET 128
126 #define MLX5E_UPDATE_STATS_INTERVAL 200 /* msecs */
128 #define MLX5E_ICOSQ_MAX_WQEBBS \
129 (DIV_ROUND_UP(sizeof(struct mlx5e_umr_wqe), MLX5_SEND_WQE_BB))
131 #define MLX5E_XDP_MIN_INLINE (ETH_HLEN + VLAN_HLEN)
132 #define MLX5E_XDP_TX_DS_COUNT \
133 ((sizeof(struct mlx5e_tx_wqe) / MLX5_SEND_WQE_DS) + 1 /* SG DS */)
135 #define MLX5E_NUM_MAIN_GROUPS 9
137 #define MLX5E_MSG_LEVEL NETIF_MSG_LINK
139 #define mlx5e_dbg(mlevel, priv, format, ...) \
141 if (NETIF_MSG_##mlevel & (priv)->msglevel) \
142 netdev_warn(priv->netdev, format, \
147 static inline u16 mlx5_min_rx_wqes(int wq_type, u32 wq_size)
150 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
151 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW,
154 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES,
159 static inline int mlx5_min_log_rq_size(int wq_type)
162 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
163 return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW;
165 return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE;
169 static inline int mlx5_max_log_rq_size(int wq_type)
172 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
173 return MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW;
175 return MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE;
179 static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev)
181 return is_kdump_kernel() ?
182 MLX5E_MIN_NUM_CHANNELS :
183 min_t(int, mdev->priv.eq_table.num_comp_vectors,
184 MLX5E_MAX_NUM_CHANNELS);
187 struct mlx5e_tx_wqe {
188 struct mlx5_wqe_ctrl_seg ctrl;
189 struct mlx5_wqe_eth_seg eth;
192 struct mlx5e_rx_wqe {
193 struct mlx5_wqe_srq_next_seg next;
194 struct mlx5_wqe_data_seg data;
197 struct mlx5e_umr_wqe {
198 struct mlx5_wqe_ctrl_seg ctrl;
199 struct mlx5_wqe_umr_ctrl_seg uctrl;
200 struct mlx5_mkey_seg mkc;
201 struct mlx5_wqe_data_seg data;
204 extern const char mlx5e_self_tests[][ETH_GSTRING_LEN];
206 static const char mlx5e_priv_flags[][ETH_GSTRING_LEN] = {
212 enum mlx5e_priv_flag {
213 MLX5E_PFLAG_RX_CQE_BASED_MODER = (1 << 0),
214 MLX5E_PFLAG_TX_CQE_BASED_MODER = (1 << 1),
215 MLX5E_PFLAG_RX_CQE_COMPRESS = (1 << 2),
218 #define MLX5E_SET_PFLAG(params, pflag, enable) \
221 (params)->pflags |= (pflag); \
223 (params)->pflags &= ~(pflag); \
226 #define MLX5E_GET_PFLAG(params, pflag) (!!((params)->pflags & (pflag)))
228 #ifdef CONFIG_MLX5_CORE_EN_DCB
229 #define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
232 struct mlx5e_params {
236 u8 mpwqe_log_stride_sz;
237 u8 mpwqe_log_num_strides;
241 bool rx_cqe_compress_def;
242 struct net_dim_cq_moder rx_cq_moderation;
243 struct net_dim_cq_moder tx_cq_moderation;
247 u8 tx_min_inline_mode;
249 u8 toeplitz_hash_key[40];
250 u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE];
251 bool vlan_strip_disable;
256 struct bpf_prog *xdp_prog;
259 #ifdef CONFIG_MLX5_CORE_EN_DCB
260 struct mlx5e_cee_config {
261 /* bw pct for priority group */
262 u8 pg_bw_pct[CEE_DCBX_MAX_PGS];
263 u8 prio_to_pg_map[CEE_DCBX_MAX_PRIO];
264 bool pfc_setting[CEE_DCBX_MAX_PRIO];
271 MLX5_DCB_CHG_NO_RESET,
275 enum mlx5_dcbx_oper_mode mode;
276 struct mlx5e_cee_config cee_cfg; /* pending configuration */
279 /* The only setting that cannot be read from FW */
280 u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
284 struct mlx5e_dcbx_dp {
285 u8 dscp2prio[MLX5E_MAX_DSCP];
291 MLX5E_RQ_STATE_ENABLED,
295 #define MLX5E_TEST_BIT(state, nr) (state & BIT(nr))
298 /* data path - accessed per cqe */
301 /* data path - accessed per napi poll */
303 struct napi_struct *napi;
304 struct mlx5_core_cq mcq;
305 struct mlx5e_channel *channel;
307 /* cqe decompression */
308 struct mlx5_cqe64 title;
309 struct mlx5_mini_cqe8 mini_arr[MLX5_MINI_CQE_ARRAY_SIZE];
312 u16 decmprs_wqe_counter;
315 struct mlx5_core_dev *mdev;
316 struct mlx5_frag_wq_ctrl wq_ctrl;
317 } ____cacheline_aligned_in_smp;
319 struct mlx5e_tx_wqe_info {
326 enum mlx5e_dma_map_type {
327 MLX5E_DMA_MAP_SINGLE,
331 struct mlx5e_sq_dma {
334 enum mlx5e_dma_map_type type;
338 MLX5E_SQ_STATE_ENABLED,
339 MLX5E_SQ_STATE_IPSEC,
342 struct mlx5e_sq_wqe_info {
349 /* dirtied @completion */
354 u16 pc ____cacheline_aligned_in_smp;
356 struct mlx5e_sq_stats stats;
360 /* write@xmit, read@completion */
362 struct mlx5e_sq_dma *dma_fifo;
363 struct mlx5e_tx_wqe_info *wqe_info;
367 struct mlx5_wq_cyc wq;
369 void __iomem *uar_map;
370 struct netdev_queue *txq;
378 struct hwtstamp_config *tstamp;
379 struct mlx5_clock *clock;
382 struct mlx5_wq_ctrl wq_ctrl;
383 struct mlx5e_channel *channel;
386 } ____cacheline_aligned_in_smp;
391 /* dirtied @rx completion */
397 /* write@xmit, read@completion */
399 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;
439 struct mlx5_wq_ctrl wq_ctrl;
440 struct mlx5e_channel *channel;
441 } ____cacheline_aligned_in_smp;
444 mlx5e_wqc_has_room_for(struct mlx5_wq_cyc *wq, u16 cc, u16 pc, u16 n)
446 return (((wq->sz_m1 & (cc - pc)) >= n) || (cc == pc));
449 struct mlx5e_dma_info {
454 struct mlx5e_wqe_frag_info {
455 struct mlx5e_dma_info di;
459 struct mlx5e_umr_dma_info {
462 struct mlx5e_dma_info dma_info[MLX5_MPWRQ_PAGES_PER_WQE];
463 struct mlx5e_umr_wqe wqe;
466 struct mlx5e_mpw_info {
467 struct mlx5e_umr_dma_info umr;
468 u16 consumed_strides;
469 u16 skbs_frags[MLX5_MPWRQ_PAGES_PER_WQE];
472 /* a single cache unit is capable to serve one napi call (for non-striding rq)
473 * or a MPWQE (for striding rq).
475 #define MLX5E_CACHE_UNIT (MLX5_MPWRQ_PAGES_PER_WQE > NAPI_POLL_WEIGHT ? \
476 MLX5_MPWRQ_PAGES_PER_WQE : NAPI_POLL_WEIGHT)
477 #define MLX5E_CACHE_SIZE (4 * roundup_pow_of_two(MLX5E_CACHE_UNIT))
478 struct mlx5e_page_cache {
481 struct mlx5e_dma_info page_cache[MLX5E_CACHE_SIZE];
485 typedef void (*mlx5e_fp_handle_rx_cqe)(struct mlx5e_rq*, struct mlx5_cqe64*);
486 typedef bool (*mlx5e_fp_post_rx_wqes)(struct mlx5e_rq *rq);
487 typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq*, u16);
491 struct mlx5_wq_ll wq;
495 struct mlx5e_wqe_frag_info *frag_info;
496 u32 frag_sz; /* max possible skb frag_sz */
503 struct mlx5e_mpw_info *info;
507 bool umr_in_progress;
513 u8 map_dir; /* dma map direction */
516 struct mlx5e_channel *channel;
518 struct net_device *netdev;
519 struct mlx5e_rq_stats stats;
521 struct mlx5e_page_cache page_cache;
522 struct hwtstamp_config *tstamp;
523 struct mlx5_clock *clock;
525 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
526 mlx5e_fp_post_rx_wqes post_wqes;
527 mlx5e_fp_dealloc_wqe dealloc_wqe;
532 struct net_dim dim; /* Dynamic Interrupt Moderation */
535 struct bpf_prog *xdp_prog;
536 struct mlx5e_xdpsq xdpsq;
539 struct mlx5_wq_ctrl wq_ctrl;
543 struct mlx5_core_dev *mdev;
544 struct mlx5_core_mkey umr_mkey;
546 /* XDP read-mostly */
547 struct xdp_rxq_info xdp_rxq;
548 } ____cacheline_aligned_in_smp;
550 struct mlx5e_channel {
553 struct mlx5e_txqsq sq[MLX5E_MAX_NUM_TC];
554 struct mlx5e_icosq icosq; /* internal control operations */
556 struct napi_struct napi;
558 struct net_device *netdev;
562 /* data path - accessed per napi poll */
563 struct irq_desc *irq_desc;
564 struct mlx5e_ch_stats stats;
567 struct mlx5e_priv *priv;
568 struct mlx5_core_dev *mdev;
569 struct hwtstamp_config *tstamp;
574 struct mlx5e_channels {
575 struct mlx5e_channel **c;
577 struct mlx5e_params params;
580 enum mlx5e_traffic_types {
585 MLX5E_TT_IPV4_IPSEC_AH,
586 MLX5E_TT_IPV6_IPSEC_AH,
587 MLX5E_TT_IPV4_IPSEC_ESP,
588 MLX5E_TT_IPV6_IPSEC_ESP,
593 MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY,
596 enum mlx5e_tunnel_types {
603 MLX5E_STATE_ASYNC_EVENTS_ENABLED,
605 MLX5E_STATE_DESTROYING,
608 struct mlx5e_vxlan_db {
609 spinlock_t lock; /* protect vxlan table */
610 struct radix_tree_root tree;
613 struct mlx5e_l2_rule {
614 u8 addr[ETH_ALEN + 2];
615 struct mlx5_flow_handle *rule;
618 struct mlx5e_flow_table {
620 struct mlx5_flow_table *t;
621 struct mlx5_flow_group **g;
624 #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
626 struct mlx5e_tc_table {
627 struct mlx5_flow_table *t;
629 struct rhashtable_params ht_params;
630 struct rhashtable ht;
632 DECLARE_HASHTABLE(mod_hdr_tbl, 8);
633 DECLARE_HASHTABLE(hairpin_tbl, 8);
636 struct mlx5e_vlan_table {
637 struct mlx5e_flow_table ft;
638 DECLARE_BITMAP(active_cvlans, VLAN_N_VID);
639 DECLARE_BITMAP(active_svlans, VLAN_N_VID);
640 struct mlx5_flow_handle *active_cvlans_rule[VLAN_N_VID];
641 struct mlx5_flow_handle *active_svlans_rule[VLAN_N_VID];
642 struct mlx5_flow_handle *untagged_rule;
643 struct mlx5_flow_handle *any_cvlan_rule;
644 struct mlx5_flow_handle *any_svlan_rule;
645 bool cvlan_filter_disabled;
648 struct mlx5e_l2_table {
649 struct mlx5e_flow_table ft;
650 struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
651 struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
652 struct mlx5e_l2_rule broadcast;
653 struct mlx5e_l2_rule allmulti;
654 struct mlx5e_l2_rule promisc;
655 bool broadcast_enabled;
656 bool allmulti_enabled;
657 bool promisc_enabled;
660 /* L3/L4 traffic type classifier */
661 struct mlx5e_ttc_table {
662 struct mlx5e_flow_table ft;
663 struct mlx5_flow_handle *rules[MLX5E_NUM_TT];
664 struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT];
667 #define ARFS_HASH_SHIFT BITS_PER_BYTE
668 #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
670 struct mlx5e_flow_table ft;
671 struct mlx5_flow_handle *default_rule;
672 struct hlist_head rules_hash[ARFS_HASH_SIZE];
683 struct mlx5e_arfs_tables {
684 struct arfs_table arfs_tables[ARFS_NUM_TYPES];
685 /* Protect aRFS rules list */
686 spinlock_t arfs_lock;
687 struct list_head rules;
689 struct workqueue_struct *wq;
694 MLX5E_VLAN_FT_LEVEL = 0,
697 MLX5E_INNER_TTC_FT_LEVEL,
702 MLX5E_TC_FT_LEVEL = 0,
703 MLX5E_TC_TTC_FT_LEVEL,
706 struct mlx5e_ethtool_table {
707 struct mlx5_flow_table *ft;
711 #define ETHTOOL_NUM_L3_L4_FTS 7
712 #define ETHTOOL_NUM_L2_FTS 4
714 struct mlx5e_ethtool_steering {
715 struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
716 struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS];
717 struct list_head rules;
721 struct mlx5e_flow_steering {
722 struct mlx5_flow_namespace *ns;
723 struct mlx5e_ethtool_steering ethtool;
724 struct mlx5e_tc_table tc;
725 struct mlx5e_vlan_table vlan;
726 struct mlx5e_l2_table l2;
727 struct mlx5e_ttc_table ttc;
728 struct mlx5e_ttc_table inner_ttc;
729 struct mlx5e_arfs_tables arfs;
739 struct mlx5e_rqt rqt;
740 struct list_head list;
749 /* priv data path fields - start */
750 struct mlx5e_txqsq *txq2sq[MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC];
751 int channel_tc2txq[MLX5E_MAX_NUM_CHANNELS][MLX5E_MAX_NUM_TC];
752 #ifdef CONFIG_MLX5_CORE_EN_DCB
753 struct mlx5e_dcbx_dp dcbx_dp;
755 /* priv data path fields - end */
759 struct mutex state_lock; /* Protects Interface state */
760 struct mlx5e_rq drop_rq;
762 struct mlx5e_channels channels;
763 u32 tisn[MLX5E_MAX_NUM_TC];
764 struct mlx5e_rqt indir_rqt;
765 struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS];
766 struct mlx5e_tir inner_indir_tir[MLX5E_NUM_INDIR_TIRS];
767 struct mlx5e_tir direct_tir[MLX5E_MAX_NUM_CHANNELS];
768 u32 tx_rates[MLX5E_MAX_NUM_SQS];
771 struct mlx5e_flow_steering fs;
772 struct mlx5e_vxlan_db vxlan;
774 struct workqueue_struct *wq;
775 struct work_struct update_carrier_work;
776 struct work_struct set_rx_mode_work;
777 struct work_struct tx_timeout_work;
778 struct delayed_work update_stats_work;
780 struct mlx5_core_dev *mdev;
781 struct net_device *netdev;
782 struct mlx5e_stats stats;
783 struct hwtstamp_config tstamp;
785 u16 drop_rq_q_counter;
786 #ifdef CONFIG_MLX5_CORE_EN_DCB
787 struct mlx5e_dcbx dcbx;
790 const struct mlx5e_profile *profile;
792 #ifdef CONFIG_MLX5_EN_IPSEC
793 struct mlx5e_ipsec *ipsec;
797 struct mlx5e_profile {
798 void (*init)(struct mlx5_core_dev *mdev,
799 struct net_device *netdev,
800 const struct mlx5e_profile *profile, void *ppriv);
801 void (*cleanup)(struct mlx5e_priv *priv);
802 int (*init_rx)(struct mlx5e_priv *priv);
803 void (*cleanup_rx)(struct mlx5e_priv *priv);
804 int (*init_tx)(struct mlx5e_priv *priv);
805 void (*cleanup_tx)(struct mlx5e_priv *priv);
806 void (*enable)(struct mlx5e_priv *priv);
807 void (*disable)(struct mlx5e_priv *priv);
808 void (*update_stats)(struct mlx5e_priv *priv);
809 void (*update_carrier)(struct mlx5e_priv *priv);
810 int (*max_nch)(struct mlx5_core_dev *mdev);
812 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
813 mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe;
815 void (*netdev_registered_init)(struct mlx5e_priv *priv);
816 void (*netdev_registered_remove)(struct mlx5e_priv *priv);
820 void mlx5e_build_ptys2ethtool_map(void);
822 u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb,
823 void *accel_priv, select_queue_fallback_t fallback);
824 netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev);
826 void mlx5e_completion_event(struct mlx5_core_cq *mcq);
827 void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, enum mlx5_event event);
828 int mlx5e_napi_poll(struct napi_struct *napi, int budget);
829 bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget);
830 int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
831 bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq);
832 void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq);
833 void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq);
835 void mlx5e_page_release(struct mlx5e_rq *rq, struct mlx5e_dma_info *dma_info,
837 void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
838 void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
839 bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
840 bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq);
841 void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix);
842 void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix);
843 void mlx5e_free_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi);
845 void mlx5e_update_stats(struct mlx5e_priv *priv);
847 int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
848 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
849 void mlx5e_init_l2_addr(struct mlx5e_priv *priv);
850 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
851 int mlx5e_self_test_num(struct mlx5e_priv *priv);
852 void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,
854 int mlx5e_ethtool_get_flow(struct mlx5e_priv *priv, struct ethtool_rxnfc *info,
856 int mlx5e_ethtool_get_all_flows(struct mlx5e_priv *priv,
857 struct ethtool_rxnfc *info, u32 *rule_locs);
858 int mlx5e_ethtool_flow_replace(struct mlx5e_priv *priv,
859 struct ethtool_rx_flow_spec *fs);
860 int mlx5e_ethtool_flow_remove(struct mlx5e_priv *priv,
862 void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);
863 void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);
864 void mlx5e_set_rx_mode_work(struct work_struct *work);
866 int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr);
867 int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr);
868 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val);
870 int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
872 int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
874 void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv);
875 void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
876 void mlx5e_timestamp_init(struct mlx5e_priv *priv);
878 struct mlx5e_redirect_rqt_param {
881 u32 rqn; /* Direct RQN (Non-RSS) */
884 struct mlx5e_channels *channels;
885 } rss; /* RSS data */
889 int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz,
890 struct mlx5e_redirect_rqt_param rrp);
891 void mlx5e_build_indir_tir_ctx_hash(struct mlx5e_params *params,
892 enum mlx5e_traffic_types tt,
893 void *tirc, bool inner);
895 int mlx5e_open_locked(struct net_device *netdev);
896 int mlx5e_close_locked(struct net_device *netdev);
898 int mlx5e_open_channels(struct mlx5e_priv *priv,
899 struct mlx5e_channels *chs);
900 void mlx5e_close_channels(struct mlx5e_channels *chs);
902 /* Function pointer to be used to modify WH settings while
905 typedef int (*mlx5e_fp_hw_modify)(struct mlx5e_priv *priv);
906 void mlx5e_switch_priv_channels(struct mlx5e_priv *priv,
907 struct mlx5e_channels *new_chs,
908 mlx5e_fp_hw_modify hw_modify);
909 void mlx5e_activate_priv_channels(struct mlx5e_priv *priv);
910 void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv);
912 void mlx5e_build_default_indir_rqt(u32 *indirection_rqt, int len,
914 int mlx5e_get_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed);
916 void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params,
918 void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params,
920 void mlx5e_init_rq_type_params(struct mlx5_core_dev *mdev,
921 struct mlx5e_params *params,
924 static inline bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev)
926 return (MLX5_CAP_ETH(mdev, tunnel_stateless_gre) &&
927 MLX5_CAP_FLOWTABLE_NIC_RX(mdev, ft_field_support.inner_ip_version));
931 struct mlx5e_tx_wqe *mlx5e_post_nop(struct mlx5_wq_cyc *wq, u32 sqn, u16 *pc)
933 u16 pi = *pc & wq->sz_m1;
934 struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi);
935 struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
937 memset(cseg, 0, sizeof(*cseg));
939 cseg->opmod_idx_opcode = cpu_to_be32((*pc << 8) | MLX5_OPCODE_NOP);
940 cseg->qpn_ds = cpu_to_be32((sqn << 8) | 0x01);
948 void mlx5e_notify_hw(struct mlx5_wq_cyc *wq, u16 pc,
949 void __iomem *uar_map,
950 struct mlx5_wqe_ctrl_seg *ctrl)
952 ctrl->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE;
953 /* ensure wqe is visible to device before updating doorbell record */
956 *wq->db = cpu_to_be32(pc);
958 /* ensure doorbell record is visible to device before ringing the
963 mlx5_write64((__be32 *)ctrl, uar_map, NULL);
966 static inline void mlx5e_cq_arm(struct mlx5e_cq *cq)
968 struct mlx5_core_cq *mcq;
971 mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, cq->wq.cc);
974 static inline u32 mlx5e_get_wqe_mtt_offset(struct mlx5e_rq *rq, u16 wqe_ix)
976 return wqe_ix * ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8);
979 extern const struct ethtool_ops mlx5e_ethtool_ops;
980 #ifdef CONFIG_MLX5_CORE_EN_DCB
981 extern const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops;
982 int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets);
983 void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv);
984 void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv);
985 void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv);
988 #ifndef CONFIG_RFS_ACCEL
989 static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv)
994 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
996 static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv)
1001 static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv)
1006 int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
1007 void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
1008 int mlx5e_arfs_enable(struct mlx5e_priv *priv);
1009 int mlx5e_arfs_disable(struct mlx5e_priv *priv);
1010 int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
1011 u16 rxq_index, u32 flow_id);
1014 u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev);
1015 int mlx5e_create_tir(struct mlx5_core_dev *mdev,
1016 struct mlx5e_tir *tir, u32 *in, int inlen);
1017 void mlx5e_destroy_tir(struct mlx5_core_dev *mdev,
1018 struct mlx5e_tir *tir);
1019 int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev);
1020 void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev);
1021 int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb);
1023 /* common netdev helpers */
1024 int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv);
1026 int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv);
1027 void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv);
1029 int mlx5e_create_direct_rqts(struct mlx5e_priv *priv);
1030 void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv);
1031 int mlx5e_create_direct_tirs(struct mlx5e_priv *priv);
1032 void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv);
1033 void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt);
1036 struct mlx5_flow_table_attr ft_attr;
1038 u32 indir_tirn[MLX5E_NUM_INDIR_TIRS];
1039 struct mlx5e_ttc_table *inner_ttc;
1042 void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params);
1043 void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params);
1044 void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params);
1046 int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
1047 struct mlx5e_ttc_table *ttc);
1048 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv,
1049 struct mlx5e_ttc_table *ttc);
1051 int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
1052 struct mlx5e_ttc_table *ttc);
1053 void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv,
1054 struct mlx5e_ttc_table *ttc);
1056 int mlx5e_create_tis(struct mlx5_core_dev *mdev, int tc,
1057 u32 underlay_qpn, u32 *tisn);
1058 void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn);
1060 int mlx5e_create_tises(struct mlx5e_priv *priv);
1061 void mlx5e_cleanup_nic_tx(struct mlx5e_priv *priv);
1062 int mlx5e_close(struct net_device *netdev);
1063 int mlx5e_open(struct net_device *netdev);
1064 void mlx5e_update_stats_work(struct work_struct *work);
1065 u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout);
1067 int mlx5e_bits_invert(unsigned long a, int size);
1069 /* ethtool helpers */
1070 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
1071 struct ethtool_drvinfo *drvinfo);
1072 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv,
1073 uint32_t stringset, uint8_t *data);
1074 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset);
1075 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
1076 struct ethtool_stats *stats, u64 *data);
1077 void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
1078 struct ethtool_ringparam *param);
1079 int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
1080 struct ethtool_ringparam *param);
1081 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
1082 struct ethtool_channels *ch);
1083 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
1084 struct ethtool_channels *ch);
1085 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
1086 struct ethtool_coalesce *coal);
1087 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
1088 struct ethtool_coalesce *coal);
1089 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
1090 struct ethtool_ts_info *info);
1091 int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1092 struct ethtool_flash *flash);
1094 int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
1097 /* mlx5e generic netdev management API */
1099 mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile,
1101 int mlx5e_attach_netdev(struct mlx5e_priv *priv);
1102 void mlx5e_detach_netdev(struct mlx5e_priv *priv);
1103 void mlx5e_destroy_netdev(struct mlx5e_priv *priv);
1104 void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
1105 struct mlx5e_params *params,
1107 u8 mlx5e_params_calculate_tx_min_inline(struct mlx5_core_dev *mdev);
1108 void mlx5e_rx_dim_work(struct work_struct *work);
1109 #endif /* __MLX5_EN_H__ */