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1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */2/* QLogic qed NIC Driver3 * Copyright (c) 2015-2017 QLogic Corporation4 * Copyright (c) 2019-2020 Marvell International Ltd.5 */6 7#ifndef _QED_L2_H8#define _QED_L2_H9#include <linux/types.h>10#include <linux/io.h>11#include <linux/kernel.h>12#include <linux/slab.h>13#include <linux/qed/qed_eth_if.h>14#include "qed.h"15#include "qed_hw.h"16#include "qed_sp.h"17struct qed_rss_params {18 u8 update_rss_config;19 u8 rss_enable;20 u8 rss_eng_id;21 u8 update_rss_capabilities;22 u8 update_rss_ind_table;23 u8 update_rss_key;24 u8 rss_caps;25 u8 rss_table_size_log;26 27 /* Indirection table consist of rx queue handles */28 void *rss_ind_table[QED_RSS_IND_TABLE_SIZE];29 u32 rss_key[QED_RSS_KEY_SIZE];30};31 32struct qed_sge_tpa_params {33 u8 max_buffers_per_cqe;34 35 u8 update_tpa_en_flg;36 u8 tpa_ipv4_en_flg;37 u8 tpa_ipv6_en_flg;38 u8 tpa_ipv4_tunn_en_flg;39 u8 tpa_ipv6_tunn_en_flg;40 41 u8 update_tpa_param_flg;42 u8 tpa_pkt_split_flg;43 u8 tpa_hdr_data_split_flg;44 u8 tpa_gro_consistent_flg;45 u8 tpa_max_aggs_num;46 u16 tpa_max_size;47 u16 tpa_min_size_to_start;48 u16 tpa_min_size_to_cont;49};50 51enum qed_filter_opcode {52 QED_FILTER_ADD,53 QED_FILTER_REMOVE,54 QED_FILTER_MOVE,55 QED_FILTER_REPLACE, /* Delete all MACs and add new one instead */56 QED_FILTER_FLUSH, /* Removes all filters */57};58 59enum qed_filter_ucast_type {60 QED_FILTER_MAC,61 QED_FILTER_VLAN,62 QED_FILTER_MAC_VLAN,63 QED_FILTER_INNER_MAC,64 QED_FILTER_INNER_VLAN,65 QED_FILTER_INNER_PAIR,66 QED_FILTER_INNER_MAC_VNI_PAIR,67 QED_FILTER_MAC_VNI_PAIR,68 QED_FILTER_VNI,69};70 71struct qed_filter_ucast {72 enum qed_filter_opcode opcode;73 enum qed_filter_ucast_type type;74 u8 is_rx_filter;75 u8 is_tx_filter;76 u8 vport_to_add_to;77 u8 vport_to_remove_from;78 unsigned char mac[ETH_ALEN];79 u8 assert_on_error;80 u16 vlan;81 u32 vni;82};83 84struct qed_filter_mcast {85 /* MOVE is not supported for multicast */86 enum qed_filter_opcode opcode;87 u8 vport_to_add_to;88 u8 vport_to_remove_from;89 u8 num_mc_addrs;90#define QED_MAX_MC_ADDRS 6491 unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN];92};93 94/**95 * qed_eth_rx_queue_stop(): This ramrod closes an Rx queue.96 *97 * @p_hwfn: HW device data.98 * @p_rxq: Handler of queue to close99 * @eq_completion_only: If True completion will be on100 * EQe, if False completion will be101 * on EQe if p_hwfn opaque102 * different from the RXQ opaque103 * otherwise on CQe.104 * @cqe_completion: If True completion will be receive on CQe.105 *106 * Return: Int.107 */108int109qed_eth_rx_queue_stop(struct qed_hwfn *p_hwfn,110 void *p_rxq,111 bool eq_completion_only, bool cqe_completion);112 113/**114 * qed_eth_tx_queue_stop(): Closes a Tx queue.115 *116 * @p_hwfn: HW device data.117 * @p_txq: handle to Tx queue needed to be closed.118 *119 * Return: Int.120 */121int qed_eth_tx_queue_stop(struct qed_hwfn *p_hwfn, void *p_txq);122 123enum qed_tpa_mode {124 QED_TPA_MODE_NONE,125 QED_TPA_MODE_UNUSED,126 QED_TPA_MODE_GRO,127 QED_TPA_MODE_MAX128};129 130struct qed_sp_vport_start_params {131 enum qed_tpa_mode tpa_mode;132 bool remove_inner_vlan;133 bool tx_switching;134 bool handle_ptp_pkts;135 bool only_untagged;136 bool drop_ttl0;137 u8 max_buffers_per_cqe;138 u32 concrete_fid;139 u16 opaque_fid;140 u8 vport_id;141 u16 mtu;142 bool check_mac;143 bool check_ethtype;144};145 146int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,147 struct qed_sp_vport_start_params *p_params);148 149struct qed_filter_accept_flags {150 u8 update_rx_mode_config;151 u8 update_tx_mode_config;152 u8 rx_accept_filter;153 u8 tx_accept_filter;154#define QED_ACCEPT_NONE 0x01155#define QED_ACCEPT_UCAST_MATCHED 0x02156#define QED_ACCEPT_UCAST_UNMATCHED 0x04157#define QED_ACCEPT_MCAST_MATCHED 0x08158#define QED_ACCEPT_MCAST_UNMATCHED 0x10159#define QED_ACCEPT_BCAST 0x20160#define QED_ACCEPT_ANY_VNI 0x40161};162 163struct qed_arfs_config_params {164 bool tcp;165 bool udp;166 bool ipv4;167 bool ipv6;168 enum qed_filter_config_mode mode;169};170 171struct qed_sp_vport_update_params {172 u16 opaque_fid;173 u8 vport_id;174 u8 update_vport_active_rx_flg;175 u8 vport_active_rx_flg;176 u8 update_vport_active_tx_flg;177 u8 vport_active_tx_flg;178 u8 update_inner_vlan_removal_flg;179 u8 inner_vlan_removal_flg;180 u8 silent_vlan_removal_flg;181 u8 update_default_vlan_enable_flg;182 u8 default_vlan_enable_flg;183 u8 update_default_vlan_flg;184 u16 default_vlan;185 u8 update_tx_switching_flg;186 u8 tx_switching_flg;187 u8 update_approx_mcast_flg;188 u8 update_anti_spoofing_en_flg;189 u8 anti_spoofing_en;190 u8 update_accept_any_vlan_flg;191 u8 accept_any_vlan;192 u32 bins[8];193 struct qed_rss_params *rss_params;194 struct qed_filter_accept_flags accept_flags;195 struct qed_sge_tpa_params *sge_tpa_params;196 u8 update_ctl_frame_check;197 u8 mac_chk_en;198 u8 ethtype_chk_en;199};200 201int qed_sp_vport_update(struct qed_hwfn *p_hwfn,202 struct qed_sp_vport_update_params *p_params,203 enum spq_mode comp_mode,204 struct qed_spq_comp_cb *p_comp_data);205 206/**207 * qed_sp_vport_stop: This ramrod closes a VPort after all its208 * RX and TX queues are terminated.209 * An Assert is generated if any queues are left open.210 *211 * @p_hwfn: HW device data.212 * @opaque_fid: Opaque FID213 * @vport_id: VPort ID.214 *215 * Return: Int.216 */217int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id);218 219int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn,220 u16 opaque_fid,221 struct qed_filter_ucast *p_filter_cmd,222 enum spq_mode comp_mode,223 struct qed_spq_comp_cb *p_comp_data);224 225/**226 * qed_sp_eth_rx_queues_update(): This ramrod updates an RX queue.227 * It is used for setting the active state228 * of the queue and updating the TPA and229 * SGE parameters.230 * @p_hwfn: HW device data.231 * @pp_rxq_handlers: An array of queue handlers to be updated.232 * @num_rxqs: number of queues to update.233 * @complete_cqe_flg: Post completion to the CQE Ring if set.234 * @complete_event_flg: Post completion to the Event Ring if set.235 * @comp_mode: Comp mode.236 * @p_comp_data: Pointer Comp data.237 *238 * Return: Int.239 *240 * Note At the moment - only used by non-linux VFs.241 */242 243int244qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn,245 void **pp_rxq_handlers,246 u8 num_rxqs,247 u8 complete_cqe_flg,248 u8 complete_event_flg,249 enum spq_mode comp_mode,250 struct qed_spq_comp_cb *p_comp_data);251 252/**253 * qed_get_vport_stats(): Fills provided statistics254 * struct with statistics.255 *256 * @cdev: Qed dev pointer.257 * @stats: Points to struct that will be filled with statistics.258 *259 * Return: Void.260 */261void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats);262 263/**264 * qed_get_vport_stats_context(): Fills provided statistics265 * struct with statistics.266 *267 * @cdev: Qed dev pointer.268 * @stats: Points to struct that will be filled with statistics.269 * @is_atomic: Hint from the caller - if the func can sleep or not.270 *271 * Context: The function should not sleep in case is_atomic == true.272 * Return: Void.273 */274void qed_get_vport_stats_context(struct qed_dev *cdev,275 struct qed_eth_stats *stats,276 bool is_atomic);277 278void qed_reset_vport_stats(struct qed_dev *cdev);279 280/**281 * qed_arfs_mode_configure(): Enable or disable rfs mode.282 * It must accept at least one of tcp or udp true283 * and at least one of ipv4 or ipv6 true to enable284 * rfs mode.285 *286 * @p_hwfn: HW device data.287 * @p_ptt: P_ptt.288 * @p_cfg_params: arfs mode configuration parameters.289 *290 * Return. Void.291 */292void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn,293 struct qed_ptt *p_ptt,294 struct qed_arfs_config_params *p_cfg_params);295 296/**297 * qed_configure_rfs_ntuple_filter(): This ramrod should be used to add298 * or remove arfs hw filter299 *300 * @p_hwfn: HW device data.301 * @p_cb: Used for QED_SPQ_MODE_CB,where client would initialize302 * it with cookie and callback function address, if not303 * using this mode then client must pass NULL.304 * @p_params: Pointer to params.305 *306 * Return: Void.307 */308int309qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn,310 struct qed_spq_comp_cb *p_cb,311 struct qed_ntuple_filter_params *p_params);312 313#define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8)314#define QED_QUEUE_CID_SELF (0xff)315 316/* Almost identical to the qed_queue_start_common_params,317 * but here we maintain the SB index in IGU CAM.318 */319struct qed_queue_cid_params {320 u8 vport_id;321 u16 queue_id;322 u8 stats_id;323};324 325/* Additional parameters required for initialization of the queue_cid326 * and are relevant only for a PF initializing one for its VFs.327 */328struct qed_queue_cid_vf_params {329 /* Should match the VF's relative index */330 u8 vfid;331 332 /* 0-based queue index. Should reflect the relative qzone the333 * VF thinks is associated with it [in its range].334 */335 u8 vf_qid;336 337 /* Indicates a VF is legacy, making it differ in several things:338 * - Producers would be placed in a different place.339 * - Makes assumptions regarding the CIDs.340 */341 u8 vf_legacy;342 343 u8 qid_usage_idx;344};345 346struct qed_queue_cid {347 /* For stats-id, the `rel' is actually absolute as well */348 struct qed_queue_cid_params rel;349 struct qed_queue_cid_params abs;350 351 /* These have no 'relative' meaning */352 u16 sb_igu_id;353 u8 sb_idx;354 355 u32 cid;356 u16 opaque_fid;357 358 bool b_is_rx;359 360 /* VFs queues are mapped differently, so we need to know the361 * relative queue associated with them [0-based].362 * Notice this is relevant on the *PF* queue-cid of its VF's queues,363 * and not on the VF itself.364 */365 u8 vfid;366 u8 vf_qid;367 368 /* We need an additional index to differentiate between queues opened369 * for same queue-zone, as VFs would have to communicate the info370 * to the PF [otherwise PF has no way to differentiate].371 */372 u8 qid_usage_idx;373 374 u8 vf_legacy;375#define QED_QCID_LEGACY_VF_RX_PROD (BIT(0))376#define QED_QCID_LEGACY_VF_CID (BIT(1))377 378 struct qed_hwfn *p_owner;379};380 381int qed_l2_alloc(struct qed_hwfn *p_hwfn);382void qed_l2_setup(struct qed_hwfn *p_hwfn);383void qed_l2_free(struct qed_hwfn *p_hwfn);384 385void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn,386 struct qed_queue_cid *p_cid);387 388struct qed_queue_cid *389qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,390 u16 opaque_fid,391 struct qed_queue_start_common_params *p_params,392 bool b_is_rx,393 struct qed_queue_cid_vf_params *p_vf_params);394 395int396qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,397 struct qed_sp_vport_start_params *p_params);398 399/**400 * qed_eth_rxq_start_ramrod(): Starts an Rx queue, when queue_cid is401 * already prepared402 *403 * @p_hwfn: HW device data.404 * @p_cid: Pointer CID.405 * @bd_max_bytes: Max bytes.406 * @bd_chain_phys_addr: Chain physcial address.407 * @cqe_pbl_addr: PBL address.408 * @cqe_pbl_size: PBL size.409 *410 * Return: Int.411 */412int413qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn,414 struct qed_queue_cid *p_cid,415 u16 bd_max_bytes,416 dma_addr_t bd_chain_phys_addr,417 dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size);418 419/**420 * qed_eth_txq_start_ramrod(): Starts a Tx queue, where queue_cid is421 * already prepared422 *423 * @p_hwfn: HW device data.424 * @p_cid: Pointer CID.425 * @pbl_addr: PBL address.426 * @pbl_size: PBL size.427 * @pq_id: Parameters for choosing the PQ for this Tx queue.428 *429 * Return: Int.430 */431int432qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn,433 struct qed_queue_cid *p_cid,434 dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id);435 436u8 qed_mcast_bin_from_mac(u8 *mac);437 438int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn,439 struct qed_ptt *p_ptt,440 u16 coalesce, struct qed_queue_cid *p_cid);441 442int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn,443 struct qed_ptt *p_ptt,444 u16 coalesce, struct qed_queue_cid *p_cid);445 446int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn,447 struct qed_ptt *p_ptt,448 struct qed_queue_cid *p_cid, u16 *p_hw_coal);449 450int qed_get_txq_coalesce(struct qed_hwfn *p_hwfn,451 struct qed_ptt *p_ptt,452 struct qed_queue_cid *p_cid, u16 *p_hw_coal);453 454#endif455