1 /* QLogic qed NIC Driver 2 * Copyright (c) 2015 QLogic Corporation 3 * 4 * This software is available under the terms of the GNU General Public License 5 * (GPL) Version 2, available from the file COPYING in the main directory of 6 * this source tree. 7 */ 8 #ifndef _QED_L2_H 9 #define _QED_L2_H 10 #include <linux/types.h> 11 #include <linux/io.h> 12 #include <linux/kernel.h> 13 #include <linux/slab.h> 14 #include <linux/qed/qed_eth_if.h> 15 #include "qed.h" 16 #include "qed_hw.h" 17 #include "qed_sp.h" 18 19 struct qed_sge_tpa_params { 20 u8 max_buffers_per_cqe; 21 22 u8 update_tpa_en_flg; 23 u8 tpa_ipv4_en_flg; 24 u8 tpa_ipv6_en_flg; 25 u8 tpa_ipv4_tunn_en_flg; 26 u8 tpa_ipv6_tunn_en_flg; 27 28 u8 update_tpa_param_flg; 29 u8 tpa_pkt_split_flg; 30 u8 tpa_hdr_data_split_flg; 31 u8 tpa_gro_consistent_flg; 32 u8 tpa_max_aggs_num; 33 u16 tpa_max_size; 34 u16 tpa_min_size_to_start; 35 u16 tpa_min_size_to_cont; 36 }; 37 38 enum qed_filter_opcode { 39 QED_FILTER_ADD, 40 QED_FILTER_REMOVE, 41 QED_FILTER_MOVE, 42 QED_FILTER_REPLACE, /* Delete all MACs and add new one instead */ 43 QED_FILTER_FLUSH, /* Removes all filters */ 44 }; 45 46 enum qed_filter_ucast_type { 47 QED_FILTER_MAC, 48 QED_FILTER_VLAN, 49 QED_FILTER_MAC_VLAN, 50 QED_FILTER_INNER_MAC, 51 QED_FILTER_INNER_VLAN, 52 QED_FILTER_INNER_PAIR, 53 QED_FILTER_INNER_MAC_VNI_PAIR, 54 QED_FILTER_MAC_VNI_PAIR, 55 QED_FILTER_VNI, 56 }; 57 58 struct qed_filter_ucast { 59 enum qed_filter_opcode opcode; 60 enum qed_filter_ucast_type type; 61 u8 is_rx_filter; 62 u8 is_tx_filter; 63 u8 vport_to_add_to; 64 u8 vport_to_remove_from; 65 unsigned char mac[ETH_ALEN]; 66 u8 assert_on_error; 67 u16 vlan; 68 u32 vni; 69 }; 70 71 struct qed_filter_mcast { 72 /* MOVE is not supported for multicast */ 73 enum qed_filter_opcode opcode; 74 u8 vport_to_add_to; 75 u8 vport_to_remove_from; 76 u8 num_mc_addrs; 77 #define QED_MAX_MC_ADDRS 64 78 unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN]; 79 }; 80 81 /** 82 * @brief qed_eth_rx_queue_stop - This ramrod closes an Rx queue 83 * 84 * @param p_hwfn 85 * @param p_rxq Handler of queue to close 86 * @param eq_completion_only If True completion will be on 87 * EQe, if False completion will be 88 * on EQe if p_hwfn opaque 89 * different from the RXQ opaque 90 * otherwise on CQe. 91 * @param cqe_completion If True completion will be 92 * receive on CQe. 93 * @return int 94 */ 95 int 96 qed_eth_rx_queue_stop(struct qed_hwfn *p_hwfn, 97 void *p_rxq, 98 bool eq_completion_only, bool cqe_completion); 99 100 /** 101 * @brief qed_eth_tx_queue_stop - closes a Tx queue 102 * 103 * @param p_hwfn 104 * @param p_txq - handle to Tx queue needed to be closed 105 * 106 * @return int 107 */ 108 int qed_eth_tx_queue_stop(struct qed_hwfn *p_hwfn, void *p_txq); 109 110 enum qed_tpa_mode { 111 QED_TPA_MODE_NONE, 112 QED_TPA_MODE_UNUSED, 113 QED_TPA_MODE_GRO, 114 QED_TPA_MODE_MAX 115 }; 116 117 struct qed_sp_vport_start_params { 118 enum qed_tpa_mode tpa_mode; 119 bool remove_inner_vlan; 120 bool tx_switching; 121 bool only_untagged; 122 bool drop_ttl0; 123 u8 max_buffers_per_cqe; 124 u32 concrete_fid; 125 u16 opaque_fid; 126 u8 vport_id; 127 u16 mtu; 128 bool check_mac; 129 bool check_ethtype; 130 }; 131 132 int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 133 struct qed_sp_vport_start_params *p_params); 134 135 struct qed_rss_params { 136 u8 update_rss_config; 137 u8 rss_enable; 138 u8 rss_eng_id; 139 u8 update_rss_capabilities; 140 u8 update_rss_ind_table; 141 u8 update_rss_key; 142 u8 rss_caps; 143 u8 rss_table_size_log; 144 u16 rss_ind_table[QED_RSS_IND_TABLE_SIZE]; 145 u32 rss_key[QED_RSS_KEY_SIZE]; 146 }; 147 148 struct qed_filter_accept_flags { 149 u8 update_rx_mode_config; 150 u8 update_tx_mode_config; 151 u8 rx_accept_filter; 152 u8 tx_accept_filter; 153 #define QED_ACCEPT_NONE 0x01 154 #define QED_ACCEPT_UCAST_MATCHED 0x02 155 #define QED_ACCEPT_UCAST_UNMATCHED 0x04 156 #define QED_ACCEPT_MCAST_MATCHED 0x08 157 #define QED_ACCEPT_MCAST_UNMATCHED 0x10 158 #define QED_ACCEPT_BCAST 0x20 159 }; 160 161 struct qed_sp_vport_update_params { 162 u16 opaque_fid; 163 u8 vport_id; 164 u8 update_vport_active_rx_flg; 165 u8 vport_active_rx_flg; 166 u8 update_vport_active_tx_flg; 167 u8 vport_active_tx_flg; 168 u8 update_inner_vlan_removal_flg; 169 u8 inner_vlan_removal_flg; 170 u8 silent_vlan_removal_flg; 171 u8 update_default_vlan_enable_flg; 172 u8 default_vlan_enable_flg; 173 u8 update_default_vlan_flg; 174 u16 default_vlan; 175 u8 update_tx_switching_flg; 176 u8 tx_switching_flg; 177 u8 update_approx_mcast_flg; 178 u8 update_anti_spoofing_en_flg; 179 u8 anti_spoofing_en; 180 u8 update_accept_any_vlan_flg; 181 u8 accept_any_vlan; 182 unsigned long bins[8]; 183 struct qed_rss_params *rss_params; 184 struct qed_filter_accept_flags accept_flags; 185 struct qed_sge_tpa_params *sge_tpa_params; 186 }; 187 188 int qed_sp_vport_update(struct qed_hwfn *p_hwfn, 189 struct qed_sp_vport_update_params *p_params, 190 enum spq_mode comp_mode, 191 struct qed_spq_comp_cb *p_comp_data); 192 193 /** 194 * @brief qed_sp_vport_stop - 195 * 196 * This ramrod closes a VPort after all its RX and TX queues are terminated. 197 * An Assert is generated if any queues are left open. 198 * 199 * @param p_hwfn 200 * @param opaque_fid 201 * @param vport_id VPort ID 202 * 203 * @return int 204 */ 205 int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id); 206 207 int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn, 208 u16 opaque_fid, 209 struct qed_filter_ucast *p_filter_cmd, 210 enum spq_mode comp_mode, 211 struct qed_spq_comp_cb *p_comp_data); 212 213 /** 214 * @brief qed_sp_rx_eth_queues_update - 215 * 216 * This ramrod updates an RX queue. It is used for setting the active state 217 * of the queue and updating the TPA and SGE parameters. 218 * 219 * @note At the moment - only used by non-linux VFs. 220 * 221 * @param p_hwfn 222 * @param pp_rxq_handlers An array of queue handlers to be updated. 223 * @param num_rxqs number of queues to update. 224 * @param complete_cqe_flg Post completion to the CQE Ring if set 225 * @param complete_event_flg Post completion to the Event Ring if set 226 * @param comp_mode 227 * @param p_comp_data 228 * 229 * @return int 230 */ 231 232 int 233 qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn, 234 void **pp_rxq_handlers, 235 u8 num_rxqs, 236 u8 complete_cqe_flg, 237 u8 complete_event_flg, 238 enum spq_mode comp_mode, 239 struct qed_spq_comp_cb *p_comp_data); 240 241 void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats); 242 243 void qed_reset_vport_stats(struct qed_dev *cdev); 244 245 struct qed_queue_cid { 246 /* 'Relative' is a relative term ;-). Usually the indices [not counting 247 * SBs] would be PF-relative, but there are some cases where that isn't 248 * the case - specifically for a PF configuring its VF indices it's 249 * possible some fields [E.g., stats-id] in 'rel' would already be abs. 250 */ 251 struct qed_queue_start_common_params rel; 252 struct qed_queue_start_common_params abs; 253 u32 cid; 254 u16 opaque_fid; 255 256 /* VFs queues are mapped differently, so we need to know the 257 * relative queue associated with them [0-based]. 258 * Notice this is relevant on the *PF* queue-cid of its VF's queues, 259 * and not on the VF itself. 260 */ 261 bool is_vf; 262 u8 vf_qid; 263 264 /* Legacy VFs might have Rx producer located elsewhere */ 265 bool b_legacy_vf; 266 }; 267 268 void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn, 269 struct qed_queue_cid *p_cid); 270 271 struct qed_queue_cid *_qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn, 272 u16 opaque_fid, 273 u32 cid, 274 u8 vf_qid, 275 struct qed_queue_start_common_params 276 *p_params); 277 278 int 279 qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 280 struct qed_sp_vport_start_params *p_params); 281 282 /** 283 * @brief - Starts an Rx queue, when queue_cid is already prepared 284 * 285 * @param p_hwfn 286 * @param p_cid 287 * @param bd_max_bytes 288 * @param bd_chain_phys_addr 289 * @param cqe_pbl_addr 290 * @param cqe_pbl_size 291 * 292 * @return int 293 */ 294 int 295 qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn, 296 struct qed_queue_cid *p_cid, 297 u16 bd_max_bytes, 298 dma_addr_t bd_chain_phys_addr, 299 dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size); 300 301 /** 302 * @brief - Starts a Tx queue, where queue_cid is already prepared 303 * 304 * @param p_hwfn 305 * @param p_cid 306 * @param pbl_addr 307 * @param pbl_size 308 * @param p_pq_params - parameters for choosing the PQ for this Tx queue 309 * 310 * @return int 311 */ 312 int 313 qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn, 314 struct qed_queue_cid *p_cid, 315 dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id); 316 317 u8 qed_mcast_bin_from_mac(u8 *mac); 318 319 #endif /* _QED_L2_H */ 320