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/rhashtable.h>
48 #include <net/switchdev.h>
50 #include "mlx5_core.h"
53 #define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
55 #define MLX5E_ETH_HARD_MTU (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
57 #define MLX5E_HW2SW_MTU(priv, hwmtu) ((hwmtu) - ((priv)->hard_mtu))
58 #define MLX5E_SW2HW_MTU(priv, swmtu) ((swmtu) + ((priv)->hard_mtu))
60 #define MLX5E_MAX_NUM_TC 8
62 #define MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE 0x6
63 #define MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE 0xa
64 #define MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE 0xd
66 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE 0x1
67 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
68 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xd
70 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x1
71 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW 0x3
72 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW 0x6
74 #define MLX5_RX_HEADROOM NET_SKB_PAD
75 #define MLX5_SKB_FRAG_SZ(len) (SKB_DATA_ALIGN(len) + \
76 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
78 #define MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev) \
79 (6 + MLX5_CAP_GEN(mdev, cache_line_128byte)) /* HW restriction */
80 #define MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, req) \
81 max_t(u32, MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev), req)
82 #define MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev) MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, 6)
83 #define MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, 8)
85 #define MLX5_MPWRQ_LOG_WQE_SZ 18
86 #define MLX5_MPWRQ_WQE_PAGE_ORDER (MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT > 0 ? \
87 MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT : 0)
88 #define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER)
89 #define MLX5_MPWRQ_STRIDES_PER_PAGE (MLX5_MPWRQ_NUM_STRIDES >> \
90 MLX5_MPWRQ_WQE_PAGE_ORDER)
92 #define MLX5_MTT_OCTW(npages) (ALIGN(npages, 8) / 2)
93 #define MLX5E_REQUIRED_MTTS(wqes) \
94 (wqes * ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8))
95 #define MLX5E_VALID_NUM_MTTS(num_mtts) (MLX5_MTT_OCTW(num_mtts) - 1 <= U16_MAX)
97 #define MLX5_UMR_ALIGN (2048)
98 #define MLX5_MPWRQ_SMALL_PACKET_THRESHOLD (256)
100 #define MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ (64 * 1024)
101 #define MLX5E_DEFAULT_LRO_TIMEOUT 32
102 #define MLX5E_LRO_TIMEOUT_ARR_SIZE 4
104 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC 0x10
105 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE 0x3
106 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS 0x20
107 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC 0x10
108 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS 0x20
109 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES 0x80
110 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW 0x2
112 #define MLX5E_LOG_INDIR_RQT_SIZE 0x7
113 #define MLX5E_INDIR_RQT_SIZE BIT(MLX5E_LOG_INDIR_RQT_SIZE)
114 #define MLX5E_MIN_NUM_CHANNELS 0x1
115 #define MLX5E_MAX_NUM_CHANNELS (MLX5E_INDIR_RQT_SIZE >> 1)
116 #define MLX5E_MAX_NUM_SQS (MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC)
117 #define MLX5E_TX_CQ_POLL_BUDGET 128
118 #define MLX5E_UPDATE_STATS_INTERVAL 200 /* msecs */
120 #define MLX5E_ICOSQ_MAX_WQEBBS \
121 (DIV_ROUND_UP(sizeof(struct mlx5e_umr_wqe), MLX5_SEND_WQE_BB))
123 #define MLX5E_XDP_MIN_INLINE (ETH_HLEN + VLAN_HLEN)
124 #define MLX5E_XDP_TX_DS_COUNT \
125 ((sizeof(struct mlx5e_tx_wqe) / MLX5_SEND_WQE_DS) + 1 /* SG DS */)
127 #define MLX5E_NUM_MAIN_GROUPS 9
129 static inline u16 mlx5_min_rx_wqes(int wq_type, u32 wq_size)
132 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
133 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW,
136 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES,
141 static inline int mlx5_min_log_rq_size(int wq_type)
144 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
145 return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW;
147 return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE;
151 static inline int mlx5_max_log_rq_size(int wq_type)
154 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
155 return MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW;
157 return MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE;
161 static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev)
163 return is_kdump_kernel() ?
164 MLX5E_MIN_NUM_CHANNELS :
165 min_t(int, mdev->priv.eq_table.num_comp_vectors,
166 MLX5E_MAX_NUM_CHANNELS);
169 struct mlx5e_tx_wqe {
170 struct mlx5_wqe_ctrl_seg ctrl;
171 struct mlx5_wqe_eth_seg eth;
174 struct mlx5e_rx_wqe {
175 struct mlx5_wqe_srq_next_seg next;
176 struct mlx5_wqe_data_seg data;
179 struct mlx5e_umr_wqe {
180 struct mlx5_wqe_ctrl_seg ctrl;
181 struct mlx5_wqe_umr_ctrl_seg uctrl;
182 struct mlx5_mkey_seg mkc;
183 struct mlx5_wqe_data_seg data;
186 extern const char mlx5e_self_tests[][ETH_GSTRING_LEN];
188 static const char mlx5e_priv_flags[][ETH_GSTRING_LEN] = {
193 enum mlx5e_priv_flag {
194 MLX5E_PFLAG_RX_CQE_BASED_MODER = (1 << 0),
195 MLX5E_PFLAG_RX_CQE_COMPRESS = (1 << 1),
198 #define MLX5E_SET_PFLAG(params, pflag, enable) \
201 (params)->pflags |= (pflag); \
203 (params)->pflags &= ~(pflag); \
206 #define MLX5E_GET_PFLAG(params, pflag) (!!((params)->pflags & (pflag)))
208 #ifdef CONFIG_MLX5_CORE_EN_DCB
209 #define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
212 struct mlx5e_cq_moder {
217 struct mlx5e_params {
221 u8 mpwqe_log_stride_sz;
222 u8 mpwqe_log_num_strides;
226 u8 rx_cq_period_mode;
227 bool rx_cqe_compress_def;
228 struct mlx5e_cq_moder rx_cq_moderation;
229 struct mlx5e_cq_moder tx_cq_moderation;
233 u8 tx_min_inline_mode;
235 u8 toeplitz_hash_key[40];
236 u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE];
237 bool vlan_strip_disable;
242 struct bpf_prog *xdp_prog;
245 #ifdef CONFIG_MLX5_CORE_EN_DCB
246 struct mlx5e_cee_config {
247 /* bw pct for priority group */
248 u8 pg_bw_pct[CEE_DCBX_MAX_PGS];
249 u8 prio_to_pg_map[CEE_DCBX_MAX_PRIO];
250 bool pfc_setting[CEE_DCBX_MAX_PRIO];
257 MLX5_DCB_CHG_NO_RESET,
261 enum mlx5_dcbx_oper_mode mode;
262 struct mlx5e_cee_config cee_cfg; /* pending configuration */
264 /* The only setting that cannot be read from FW */
265 u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
270 #define MAX_PIN_NUM 8
272 u8 pin_caps[MAX_PIN_NUM];
273 struct work_struct out_work;
274 u64 start[MAX_PIN_NUM];
278 struct mlx5e_tstamp {
280 struct cyclecounter cycles;
281 struct timecounter clock;
282 struct hwtstamp_config hwtstamp_config;
284 unsigned long overflow_period;
285 struct delayed_work overflow_work;
286 struct mlx5_core_dev *mdev;
287 struct ptp_clock *ptp;
288 struct ptp_clock_info ptp_info;
289 struct mlx5e_pps pps_info;
293 MLX5E_RQ_STATE_ENABLED,
294 MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS,
299 /* data path - accessed per cqe */
302 /* data path - accessed per napi poll */
304 struct napi_struct *napi;
305 struct mlx5_core_cq mcq;
306 struct mlx5e_channel *channel;
308 /* cqe decompression */
309 struct mlx5_cqe64 title;
310 struct mlx5_mini_cqe8 mini_arr[MLX5_MINI_CQE_ARRAY_SIZE];
313 u16 decmprs_wqe_counter;
316 struct mlx5_core_dev *mdev;
317 struct mlx5_frag_wq_ctrl wq_ctrl;
318 } ____cacheline_aligned_in_smp;
320 struct mlx5e_tx_wqe_info {
327 enum mlx5e_dma_map_type {
328 MLX5E_DMA_MAP_SINGLE,
332 struct mlx5e_sq_dma {
335 enum mlx5e_dma_map_type type;
339 MLX5E_SQ_STATE_ENABLED,
340 MLX5E_SQ_STATE_IPSEC,
343 struct mlx5e_sq_wqe_info {
351 /* dirtied @completion */
356 u16 pc ____cacheline_aligned_in_smp;
358 struct mlx5e_sq_stats stats;
362 /* write@xmit, read@completion */
364 struct mlx5e_sq_dma *dma_fifo;
365 struct mlx5e_tx_wqe_info *wqe_info;
369 struct mlx5_wq_cyc wq;
371 void __iomem *uar_map;
372 struct netdev_queue *txq;
378 struct mlx5e_tstamp *tstamp;
383 struct mlx5_wq_ctrl wq_ctrl;
384 struct mlx5e_channel *channel;
387 } ____cacheline_aligned_in_smp;
392 /* dirtied @rx completion */
398 /* write@xmit, read@completion */
400 struct mlx5e_dma_info *di;
405 struct mlx5_wq_cyc wq;
406 void __iomem *uar_map;
414 struct mlx5_wq_ctrl wq_ctrl;
415 struct mlx5e_channel *channel;
416 } ____cacheline_aligned_in_smp;
421 /* dirtied @completion */
425 u16 pc ____cacheline_aligned_in_smp;
431 /* write@xmit, read@completion */
433 struct mlx5e_sq_wqe_info *ico_wqe;
437 struct mlx5_wq_cyc wq;
438 void __iomem *uar_map;
446 struct mlx5_wq_ctrl wq_ctrl;
447 struct mlx5e_channel *channel;
448 } ____cacheline_aligned_in_smp;
451 mlx5e_wqc_has_room_for(struct mlx5_wq_cyc *wq, u16 cc, u16 pc, u16 n)
453 return (((wq->sz_m1 & (cc - pc)) >= n) || (cc == pc));
456 struct mlx5e_dma_info {
461 struct mlx5e_wqe_frag_info {
462 struct mlx5e_dma_info di;
466 struct mlx5e_umr_dma_info {
469 struct mlx5e_dma_info dma_info[MLX5_MPWRQ_PAGES_PER_WQE];
470 struct mlx5e_umr_wqe wqe;
473 struct mlx5e_mpw_info {
474 struct mlx5e_umr_dma_info umr;
475 u16 consumed_strides;
476 u16 skbs_frags[MLX5_MPWRQ_PAGES_PER_WQE];
479 struct mlx5e_rx_am_stats {
480 int ppms; /* packets per msec */
481 int bpms; /* bytes per msec */
482 int epms; /* events per msec */
485 struct mlx5e_rx_am_sample {
492 struct mlx5e_rx_am { /* Adaptive Moderation */
494 struct mlx5e_rx_am_stats prev_stats;
495 struct mlx5e_rx_am_sample start_sample;
496 struct work_struct work;
505 /* a single cache unit is capable to serve one napi call (for non-striding rq)
506 * or a MPWQE (for striding rq).
508 #define MLX5E_CACHE_UNIT (MLX5_MPWRQ_PAGES_PER_WQE > NAPI_POLL_WEIGHT ? \
509 MLX5_MPWRQ_PAGES_PER_WQE : NAPI_POLL_WEIGHT)
510 #define MLX5E_CACHE_SIZE (2 * roundup_pow_of_two(MLX5E_CACHE_UNIT))
511 struct mlx5e_page_cache {
514 struct mlx5e_dma_info page_cache[MLX5E_CACHE_SIZE];
518 typedef void (*mlx5e_fp_handle_rx_cqe)(struct mlx5e_rq*, struct mlx5_cqe64*);
519 typedef int (*mlx5e_fp_alloc_wqe)(struct mlx5e_rq*, struct mlx5e_rx_wqe*, u16);
520 typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq*, u16);
524 struct mlx5_wq_ll wq;
528 struct mlx5e_wqe_frag_info *frag_info;
529 u32 frag_sz; /* max possible skb frag_sz */
534 struct mlx5e_mpw_info *info;
540 u32 wqe_sz; /* wqe data buffer size */
541 u8 map_dir; /* dma map direction */
546 struct net_device *netdev;
547 struct mlx5e_tstamp *tstamp;
548 struct mlx5e_rq_stats stats;
550 struct mlx5e_page_cache page_cache;
552 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
553 mlx5e_fp_alloc_wqe alloc_wqe;
554 mlx5e_fp_dealloc_wqe dealloc_wqe;
560 struct mlx5e_rx_am am; /* Adaptive Moderation */
563 struct bpf_prog *xdp_prog;
564 struct mlx5e_xdpsq xdpsq;
567 struct mlx5_wq_ctrl wq_ctrl;
570 u32 mpwqe_num_strides;
572 struct mlx5e_channel *channel;
573 struct mlx5_core_dev *mdev;
574 struct mlx5_core_mkey umr_mkey;
575 } ____cacheline_aligned_in_smp;
578 MLX5E_CHANNEL_NAPI_SCHED = 1,
581 struct mlx5e_channel {
584 struct mlx5e_txqsq sq[MLX5E_MAX_NUM_TC];
585 struct mlx5e_icosq icosq; /* internal control operations */
587 struct napi_struct napi;
589 struct net_device *netdev;
595 struct mlx5e_priv *priv;
596 struct mlx5_core_dev *mdev;
597 struct mlx5e_tstamp *tstamp;
602 struct mlx5e_channels {
603 struct mlx5e_channel **c;
605 struct mlx5e_params params;
608 enum mlx5e_traffic_types {
613 MLX5E_TT_IPV4_IPSEC_AH,
614 MLX5E_TT_IPV6_IPSEC_AH,
615 MLX5E_TT_IPV4_IPSEC_ESP,
616 MLX5E_TT_IPV6_IPSEC_ESP,
621 MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY,
624 enum mlx5e_tunnel_types {
631 MLX5E_STATE_ASYNC_EVENTS_ENABLED,
633 MLX5E_STATE_DESTROYING,
636 struct mlx5e_vxlan_db {
637 spinlock_t lock; /* protect vxlan table */
638 struct radix_tree_root tree;
641 struct mlx5e_l2_rule {
642 u8 addr[ETH_ALEN + 2];
643 struct mlx5_flow_handle *rule;
646 struct mlx5e_flow_table {
648 struct mlx5_flow_table *t;
649 struct mlx5_flow_group **g;
652 #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
654 struct mlx5e_tc_table {
655 struct mlx5_flow_table *t;
657 struct rhashtable_params ht_params;
658 struct rhashtable ht;
660 DECLARE_HASHTABLE(mod_hdr_tbl, 8);
663 struct mlx5e_vlan_table {
664 struct mlx5e_flow_table ft;
665 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
666 struct mlx5_flow_handle *active_vlans_rule[VLAN_N_VID];
667 struct mlx5_flow_handle *untagged_rule;
668 struct mlx5_flow_handle *any_cvlan_rule;
669 struct mlx5_flow_handle *any_svlan_rule;
670 bool filter_disabled;
673 struct mlx5e_l2_table {
674 struct mlx5e_flow_table ft;
675 struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
676 struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
677 struct mlx5e_l2_rule broadcast;
678 struct mlx5e_l2_rule allmulti;
679 struct mlx5e_l2_rule promisc;
680 bool broadcast_enabled;
681 bool allmulti_enabled;
682 bool promisc_enabled;
685 /* L3/L4 traffic type classifier */
686 struct mlx5e_ttc_table {
687 struct mlx5e_flow_table ft;
688 struct mlx5_flow_handle *rules[MLX5E_NUM_TT];
689 struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT];
692 #define ARFS_HASH_SHIFT BITS_PER_BYTE
693 #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
695 struct mlx5e_flow_table ft;
696 struct mlx5_flow_handle *default_rule;
697 struct hlist_head rules_hash[ARFS_HASH_SIZE];
708 struct mlx5e_arfs_tables {
709 struct arfs_table arfs_tables[ARFS_NUM_TYPES];
710 /* Protect aRFS rules list */
711 spinlock_t arfs_lock;
712 struct list_head rules;
714 struct workqueue_struct *wq;
719 MLX5E_VLAN_FT_LEVEL = 0,
722 MLX5E_INNER_TTC_FT_LEVEL,
726 struct mlx5e_ethtool_table {
727 struct mlx5_flow_table *ft;
731 #define ETHTOOL_NUM_L3_L4_FTS 7
732 #define ETHTOOL_NUM_L2_FTS 4
734 struct mlx5e_ethtool_steering {
735 struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
736 struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS];
737 struct list_head rules;
741 struct mlx5e_flow_steering {
742 struct mlx5_flow_namespace *ns;
743 struct mlx5e_ethtool_steering ethtool;
744 struct mlx5e_tc_table tc;
745 struct mlx5e_vlan_table vlan;
746 struct mlx5e_l2_table l2;
747 struct mlx5e_ttc_table ttc;
748 struct mlx5e_ttc_table inner_ttc;
749 struct mlx5e_arfs_tables arfs;
759 struct mlx5e_rqt rqt;
760 struct list_head list;
769 /* priv data path fields - start */
770 struct mlx5e_txqsq *txq2sq[MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC];
771 int channel_tc2txq[MLX5E_MAX_NUM_CHANNELS][MLX5E_MAX_NUM_TC];
772 /* priv data path fields - end */
775 struct mutex state_lock; /* Protects Interface state */
776 struct mlx5e_rq drop_rq;
778 struct mlx5e_channels channels;
779 u32 tisn[MLX5E_MAX_NUM_TC];
780 struct mlx5e_rqt indir_rqt;
781 struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS];
782 struct mlx5e_tir inner_indir_tir[MLX5E_NUM_INDIR_TIRS];
783 struct mlx5e_tir direct_tir[MLX5E_MAX_NUM_CHANNELS];
784 u32 tx_rates[MLX5E_MAX_NUM_SQS];
787 struct mlx5e_flow_steering fs;
788 struct mlx5e_vxlan_db vxlan;
790 struct workqueue_struct *wq;
791 struct work_struct update_carrier_work;
792 struct work_struct set_rx_mode_work;
793 struct work_struct tx_timeout_work;
794 struct delayed_work update_stats_work;
796 struct mlx5_core_dev *mdev;
797 struct net_device *netdev;
798 struct mlx5e_stats stats;
799 struct mlx5e_tstamp tstamp;
801 #ifdef CONFIG_MLX5_CORE_EN_DCB
802 struct mlx5e_dcbx dcbx;
805 const struct mlx5e_profile *profile;
807 #ifdef CONFIG_MLX5_EN_IPSEC
808 struct mlx5e_ipsec *ipsec;
812 struct mlx5e_profile {
813 void (*init)(struct mlx5_core_dev *mdev,
814 struct net_device *netdev,
815 const struct mlx5e_profile *profile, void *ppriv);
816 void (*cleanup)(struct mlx5e_priv *priv);
817 int (*init_rx)(struct mlx5e_priv *priv);
818 void (*cleanup_rx)(struct mlx5e_priv *priv);
819 int (*init_tx)(struct mlx5e_priv *priv);
820 void (*cleanup_tx)(struct mlx5e_priv *priv);
821 void (*enable)(struct mlx5e_priv *priv);
822 void (*disable)(struct mlx5e_priv *priv);
823 void (*update_stats)(struct mlx5e_priv *priv);
824 void (*update_carrier)(struct mlx5e_priv *priv);
825 int (*max_nch)(struct mlx5_core_dev *mdev);
827 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
828 mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe;
833 void mlx5e_build_ptys2ethtool_map(void);
835 u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb,
836 void *accel_priv, select_queue_fallback_t fallback);
837 netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev);
839 void mlx5e_completion_event(struct mlx5_core_cq *mcq);
840 void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, enum mlx5_event event);
841 int mlx5e_napi_poll(struct napi_struct *napi, int budget);
842 bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget);
843 int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
844 bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq);
845 void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq);
846 void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq);
848 void mlx5e_page_release(struct mlx5e_rq *rq, struct mlx5e_dma_info *dma_info,
850 void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
851 void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
852 bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
853 int mlx5e_alloc_rx_wqe(struct mlx5e_rq *rq, struct mlx5e_rx_wqe *wqe, u16 ix);
854 int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_rx_wqe *wqe, u16 ix);
855 void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix);
856 void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix);
857 void mlx5e_post_rx_mpwqe(struct mlx5e_rq *rq);
858 void mlx5e_free_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi);
860 void mlx5e_rx_am(struct mlx5e_rq *rq);
861 void mlx5e_rx_am_work(struct work_struct *work);
862 struct mlx5e_cq_moder mlx5e_am_get_def_profile(u8 rx_cq_period_mode);
864 void mlx5e_update_stats(struct mlx5e_priv *priv, bool full);
866 int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
867 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
868 void mlx5e_init_l2_addr(struct mlx5e_priv *priv);
869 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
870 int mlx5e_self_test_num(struct mlx5e_priv *priv);
871 void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,
873 int mlx5e_ethtool_get_flow(struct mlx5e_priv *priv, struct ethtool_rxnfc *info,
875 int mlx5e_ethtool_get_all_flows(struct mlx5e_priv *priv,
876 struct ethtool_rxnfc *info, u32 *rule_locs);
877 int mlx5e_ethtool_flow_replace(struct mlx5e_priv *priv,
878 struct ethtool_rx_flow_spec *fs);
879 int mlx5e_ethtool_flow_remove(struct mlx5e_priv *priv,
881 void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);
882 void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);
883 void mlx5e_set_rx_mode_work(struct work_struct *work);
885 void mlx5e_fill_hwstamp(struct mlx5e_tstamp *clock, u64 timestamp,
886 struct skb_shared_hwtstamps *hwts);
887 void mlx5e_timestamp_init(struct mlx5e_priv *priv);
888 void mlx5e_timestamp_cleanup(struct mlx5e_priv *priv);
889 void mlx5e_pps_event_handler(struct mlx5e_priv *priv,
890 struct ptp_clock_event *event);
891 int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr);
892 int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr);
893 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val);
895 int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
897 int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
899 void mlx5e_enable_vlan_filter(struct mlx5e_priv *priv);
900 void mlx5e_disable_vlan_filter(struct mlx5e_priv *priv);
902 struct mlx5e_redirect_rqt_param {
905 u32 rqn; /* Direct RQN (Non-RSS) */
908 struct mlx5e_channels *channels;
909 } rss; /* RSS data */
913 int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz,
914 struct mlx5e_redirect_rqt_param rrp);
915 void mlx5e_build_indir_tir_ctx_hash(struct mlx5e_params *params,
916 enum mlx5e_traffic_types tt,
917 void *tirc, bool inner);
919 int mlx5e_open_locked(struct net_device *netdev);
920 int mlx5e_close_locked(struct net_device *netdev);
922 int mlx5e_open_channels(struct mlx5e_priv *priv,
923 struct mlx5e_channels *chs);
924 void mlx5e_close_channels(struct mlx5e_channels *chs);
926 /* Function pointer to be used to modify WH settings while
929 typedef int (*mlx5e_fp_hw_modify)(struct mlx5e_priv *priv);
930 void mlx5e_switch_priv_channels(struct mlx5e_priv *priv,
931 struct mlx5e_channels *new_chs,
932 mlx5e_fp_hw_modify hw_modify);
933 void mlx5e_activate_priv_channels(struct mlx5e_priv *priv);
934 void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv);
936 void mlx5e_build_default_indir_rqt(struct mlx5_core_dev *mdev,
937 u32 *indirection_rqt, int len,
939 int mlx5e_get_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed);
941 void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params,
943 void mlx5e_set_rq_type_params(struct mlx5_core_dev *mdev,
944 struct mlx5e_params *params, u8 rq_type);
946 static inline bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev)
948 return (MLX5_CAP_ETH(mdev, tunnel_stateless_gre) &&
949 MLX5_CAP_FLOWTABLE_NIC_RX(mdev, ft_field_support.inner_ip_version));
953 struct mlx5e_tx_wqe *mlx5e_post_nop(struct mlx5_wq_cyc *wq, u32 sqn, u16 *pc)
955 u16 pi = *pc & wq->sz_m1;
956 struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi);
957 struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
959 memset(cseg, 0, sizeof(*cseg));
961 cseg->opmod_idx_opcode = cpu_to_be32((*pc << 8) | MLX5_OPCODE_NOP);
962 cseg->qpn_ds = cpu_to_be32((sqn << 8) | 0x01);
970 void mlx5e_notify_hw(struct mlx5_wq_cyc *wq, u16 pc,
971 void __iomem *uar_map,
972 struct mlx5_wqe_ctrl_seg *ctrl)
974 ctrl->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE;
975 /* ensure wqe is visible to device before updating doorbell record */
978 *wq->db = cpu_to_be32(pc);
980 /* ensure doorbell record is visible to device before ringing the
985 mlx5_write64((__be32 *)ctrl, uar_map, NULL);
988 static inline void mlx5e_cq_arm(struct mlx5e_cq *cq)
990 struct mlx5_core_cq *mcq;
993 mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, cq->wq.cc);
996 static inline u32 mlx5e_get_wqe_mtt_offset(struct mlx5e_rq *rq, u16 wqe_ix)
998 return wqe_ix * ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8);
1001 extern const struct ethtool_ops mlx5e_ethtool_ops;
1002 #ifdef CONFIG_MLX5_CORE_EN_DCB
1003 extern const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops;
1004 int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets);
1005 void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv);
1008 #ifndef CONFIG_RFS_ACCEL
1009 static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv)
1014 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
1016 static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv)
1021 static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv)
1026 int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
1027 void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
1028 int mlx5e_arfs_enable(struct mlx5e_priv *priv);
1029 int mlx5e_arfs_disable(struct mlx5e_priv *priv);
1030 int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
1031 u16 rxq_index, u32 flow_id);
1034 u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev);
1035 int mlx5e_create_tir(struct mlx5_core_dev *mdev,
1036 struct mlx5e_tir *tir, u32 *in, int inlen);
1037 void mlx5e_destroy_tir(struct mlx5_core_dev *mdev,
1038 struct mlx5e_tir *tir);
1039 int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev);
1040 void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev);
1041 int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb);
1043 /* common netdev helpers */
1044 int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv);
1046 int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv);
1047 void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv);
1049 int mlx5e_create_direct_rqts(struct mlx5e_priv *priv);
1050 void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv);
1051 int mlx5e_create_direct_tirs(struct mlx5e_priv *priv);
1052 void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv);
1053 void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt);
1055 int mlx5e_create_ttc_table(struct mlx5e_priv *priv);
1056 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv);
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);
1067 u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout);
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 /* mlx5e generic netdev management API */
1096 mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile,
1098 int mlx5e_attach_netdev(struct mlx5e_priv *priv);
1099 void mlx5e_detach_netdev(struct mlx5e_priv *priv);
1100 void mlx5e_destroy_netdev(struct mlx5e_priv *priv);
1101 void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
1102 struct mlx5e_params *params,
1105 #endif /* __MLX5_EN_H__ */