1 /* QLogic qed NIC Driver 2 * Copyright (c) 2015-2017 QLogic Corporation 3 * 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: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 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. 22 * 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 30 * SOFTWARE. 31 */ 32 #ifndef _QED_L2_H 33 #define _QED_L2_H 34 #include <linux/types.h> 35 #include <linux/io.h> 36 #include <linux/kernel.h> 37 #include <linux/slab.h> 38 #include <linux/qed/qed_eth_if.h> 39 #include "qed.h" 40 #include "qed_hw.h" 41 #include "qed_sp.h" 42 struct qed_rss_params { 43 u8 update_rss_config; 44 u8 rss_enable; 45 u8 rss_eng_id; 46 u8 update_rss_capabilities; 47 u8 update_rss_ind_table; 48 u8 update_rss_key; 49 u8 rss_caps; 50 u8 rss_table_size_log; 51 52 /* Indirection table consist of rx queue handles */ 53 void *rss_ind_table[QED_RSS_IND_TABLE_SIZE]; 54 u32 rss_key[QED_RSS_KEY_SIZE]; 55 }; 56 57 struct qed_sge_tpa_params { 58 u8 max_buffers_per_cqe; 59 60 u8 update_tpa_en_flg; 61 u8 tpa_ipv4_en_flg; 62 u8 tpa_ipv6_en_flg; 63 u8 tpa_ipv4_tunn_en_flg; 64 u8 tpa_ipv6_tunn_en_flg; 65 66 u8 update_tpa_param_flg; 67 u8 tpa_pkt_split_flg; 68 u8 tpa_hdr_data_split_flg; 69 u8 tpa_gro_consistent_flg; 70 u8 tpa_max_aggs_num; 71 u16 tpa_max_size; 72 u16 tpa_min_size_to_start; 73 u16 tpa_min_size_to_cont; 74 }; 75 76 enum qed_filter_opcode { 77 QED_FILTER_ADD, 78 QED_FILTER_REMOVE, 79 QED_FILTER_MOVE, 80 QED_FILTER_REPLACE, /* Delete all MACs and add new one instead */ 81 QED_FILTER_FLUSH, /* Removes all filters */ 82 }; 83 84 enum qed_filter_ucast_type { 85 QED_FILTER_MAC, 86 QED_FILTER_VLAN, 87 QED_FILTER_MAC_VLAN, 88 QED_FILTER_INNER_MAC, 89 QED_FILTER_INNER_VLAN, 90 QED_FILTER_INNER_PAIR, 91 QED_FILTER_INNER_MAC_VNI_PAIR, 92 QED_FILTER_MAC_VNI_PAIR, 93 QED_FILTER_VNI, 94 }; 95 96 struct qed_filter_ucast { 97 enum qed_filter_opcode opcode; 98 enum qed_filter_ucast_type type; 99 u8 is_rx_filter; 100 u8 is_tx_filter; 101 u8 vport_to_add_to; 102 u8 vport_to_remove_from; 103 unsigned char mac[ETH_ALEN]; 104 u8 assert_on_error; 105 u16 vlan; 106 u32 vni; 107 }; 108 109 struct qed_filter_mcast { 110 /* MOVE is not supported for multicast */ 111 enum qed_filter_opcode opcode; 112 u8 vport_to_add_to; 113 u8 vport_to_remove_from; 114 u8 num_mc_addrs; 115 #define QED_MAX_MC_ADDRS 64 116 unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN]; 117 }; 118 119 /** 120 * @brief qed_eth_rx_queue_stop - This ramrod closes an Rx queue 121 * 122 * @param p_hwfn 123 * @param p_rxq Handler of queue to close 124 * @param eq_completion_only If True completion will be on 125 * EQe, if False completion will be 126 * on EQe if p_hwfn opaque 127 * different from the RXQ opaque 128 * otherwise on CQe. 129 * @param cqe_completion If True completion will be 130 * receive on CQe. 131 * @return int 132 */ 133 int 134 qed_eth_rx_queue_stop(struct qed_hwfn *p_hwfn, 135 void *p_rxq, 136 bool eq_completion_only, bool cqe_completion); 137 138 /** 139 * @brief qed_eth_tx_queue_stop - closes a Tx queue 140 * 141 * @param p_hwfn 142 * @param p_txq - handle to Tx queue needed to be closed 143 * 144 * @return int 145 */ 146 int qed_eth_tx_queue_stop(struct qed_hwfn *p_hwfn, void *p_txq); 147 148 enum qed_tpa_mode { 149 QED_TPA_MODE_NONE, 150 QED_TPA_MODE_UNUSED, 151 QED_TPA_MODE_GRO, 152 QED_TPA_MODE_MAX 153 }; 154 155 struct qed_sp_vport_start_params { 156 enum qed_tpa_mode tpa_mode; 157 bool remove_inner_vlan; 158 bool tx_switching; 159 bool only_untagged; 160 bool drop_ttl0; 161 u8 max_buffers_per_cqe; 162 u32 concrete_fid; 163 u16 opaque_fid; 164 u8 vport_id; 165 u16 mtu; 166 bool check_mac; 167 bool check_ethtype; 168 }; 169 170 int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 171 struct qed_sp_vport_start_params *p_params); 172 173 174 struct qed_filter_accept_flags { 175 u8 update_rx_mode_config; 176 u8 update_tx_mode_config; 177 u8 rx_accept_filter; 178 u8 tx_accept_filter; 179 #define QED_ACCEPT_NONE 0x01 180 #define QED_ACCEPT_UCAST_MATCHED 0x02 181 #define QED_ACCEPT_UCAST_UNMATCHED 0x04 182 #define QED_ACCEPT_MCAST_MATCHED 0x08 183 #define QED_ACCEPT_MCAST_UNMATCHED 0x10 184 #define QED_ACCEPT_BCAST 0x20 185 }; 186 187 struct qed_sp_vport_update_params { 188 u16 opaque_fid; 189 u8 vport_id; 190 u8 update_vport_active_rx_flg; 191 u8 vport_active_rx_flg; 192 u8 update_vport_active_tx_flg; 193 u8 vport_active_tx_flg; 194 u8 update_inner_vlan_removal_flg; 195 u8 inner_vlan_removal_flg; 196 u8 silent_vlan_removal_flg; 197 u8 update_default_vlan_enable_flg; 198 u8 default_vlan_enable_flg; 199 u8 update_default_vlan_flg; 200 u16 default_vlan; 201 u8 update_tx_switching_flg; 202 u8 tx_switching_flg; 203 u8 update_approx_mcast_flg; 204 u8 update_anti_spoofing_en_flg; 205 u8 anti_spoofing_en; 206 u8 update_accept_any_vlan_flg; 207 u8 accept_any_vlan; 208 unsigned long bins[8]; 209 struct qed_rss_params *rss_params; 210 struct qed_filter_accept_flags accept_flags; 211 struct qed_sge_tpa_params *sge_tpa_params; 212 }; 213 214 int qed_sp_vport_update(struct qed_hwfn *p_hwfn, 215 struct qed_sp_vport_update_params *p_params, 216 enum spq_mode comp_mode, 217 struct qed_spq_comp_cb *p_comp_data); 218 219 /** 220 * @brief qed_sp_vport_stop - 221 * 222 * This ramrod closes a VPort after all its RX and TX queues are terminated. 223 * An Assert is generated if any queues are left open. 224 * 225 * @param p_hwfn 226 * @param opaque_fid 227 * @param vport_id VPort ID 228 * 229 * @return int 230 */ 231 int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id); 232 233 int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn, 234 u16 opaque_fid, 235 struct qed_filter_ucast *p_filter_cmd, 236 enum spq_mode comp_mode, 237 struct qed_spq_comp_cb *p_comp_data); 238 239 /** 240 * @brief qed_sp_rx_eth_queues_update - 241 * 242 * This ramrod updates an RX queue. It is used for setting the active state 243 * of the queue and updating the TPA and SGE parameters. 244 * 245 * @note At the moment - only used by non-linux VFs. 246 * 247 * @param p_hwfn 248 * @param pp_rxq_handlers An array of queue handlers to be updated. 249 * @param num_rxqs number of queues to update. 250 * @param complete_cqe_flg Post completion to the CQE Ring if set 251 * @param complete_event_flg Post completion to the Event Ring if set 252 * @param comp_mode 253 * @param p_comp_data 254 * 255 * @return int 256 */ 257 258 int 259 qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn, 260 void **pp_rxq_handlers, 261 u8 num_rxqs, 262 u8 complete_cqe_flg, 263 u8 complete_event_flg, 264 enum spq_mode comp_mode, 265 struct qed_spq_comp_cb *p_comp_data); 266 267 void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats); 268 269 void qed_reset_vport_stats(struct qed_dev *cdev); 270 271 struct qed_queue_cid { 272 /* 'Relative' is a relative term ;-). Usually the indices [not counting 273 * SBs] would be PF-relative, but there are some cases where that isn't 274 * the case - specifically for a PF configuring its VF indices it's 275 * possible some fields [E.g., stats-id] in 'rel' would already be abs. 276 */ 277 struct qed_queue_start_common_params rel; 278 struct qed_queue_start_common_params abs; 279 u32 cid; 280 u16 opaque_fid; 281 282 /* VFs queues are mapped differently, so we need to know the 283 * relative queue associated with them [0-based]. 284 * Notice this is relevant on the *PF* queue-cid of its VF's queues, 285 * and not on the VF itself. 286 */ 287 bool is_vf; 288 u8 vf_qid; 289 290 /* Legacy VFs might have Rx producer located elsewhere */ 291 bool b_legacy_vf; 292 293 struct qed_hwfn *p_owner; 294 }; 295 296 void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn, 297 struct qed_queue_cid *p_cid); 298 299 struct qed_queue_cid *_qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn, 300 u16 opaque_fid, 301 u32 cid, 302 u8 vf_qid, 303 struct qed_queue_start_common_params 304 *p_params); 305 306 int 307 qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 308 struct qed_sp_vport_start_params *p_params); 309 310 /** 311 * @brief - Starts an Rx queue, when queue_cid is already prepared 312 * 313 * @param p_hwfn 314 * @param p_cid 315 * @param bd_max_bytes 316 * @param bd_chain_phys_addr 317 * @param cqe_pbl_addr 318 * @param cqe_pbl_size 319 * 320 * @return int 321 */ 322 int 323 qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn, 324 struct qed_queue_cid *p_cid, 325 u16 bd_max_bytes, 326 dma_addr_t bd_chain_phys_addr, 327 dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size); 328 329 /** 330 * @brief - Starts a Tx queue, where queue_cid is already prepared 331 * 332 * @param p_hwfn 333 * @param p_cid 334 * @param pbl_addr 335 * @param pbl_size 336 * @param p_pq_params - parameters for choosing the PQ for this Tx queue 337 * 338 * @return int 339 */ 340 int 341 qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn, 342 struct qed_queue_cid *p_cid, 343 dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id); 344 345 u8 qed_mcast_bin_from_mac(u8 *mac); 346 347 #endif /* _QED_L2_H */ 348