1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) 2 * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved. 3 */ 4 5 #ifndef _IONIC_LIF_H_ 6 #define _IONIC_LIF_H_ 7 8 #include <inttypes.h> 9 10 #include <rte_ethdev.h> 11 #include <rte_ether.h> 12 13 #include "ionic_osdep.h" 14 #include "ionic_dev.h" 15 #include "ionic_rx_filter.h" 16 17 #define IONIC_ADMINQ_LENGTH 16 /* must be a power of two */ 18 #define IONIC_NOTIFYQ_LENGTH 64 /* must be a power of two */ 19 20 #define IONIC_RSS_OFFLOAD_ALL ( \ 21 IONIC_RSS_TYPE_IPV4 | \ 22 IONIC_RSS_TYPE_IPV4_TCP | \ 23 IONIC_RSS_TYPE_IPV4_UDP | \ 24 IONIC_RSS_TYPE_IPV6 | \ 25 IONIC_RSS_TYPE_IPV6_TCP | \ 26 IONIC_RSS_TYPE_IPV6_UDP) 27 28 #define IONIC_GET_SG_CNTR_IDX(num_sg_elems) (num_sg_elems) 29 30 struct ionic_tx_stats { 31 uint64_t packets; 32 uint64_t bytes; 33 uint64_t drop; 34 uint64_t stop; 35 uint64_t no_csum; 36 uint64_t tso; 37 }; 38 39 struct ionic_rx_stats { 40 uint64_t packets; 41 uint64_t bytes; 42 uint64_t no_cb_arg; 43 uint64_t bad_cq_status; 44 uint64_t no_room; 45 uint64_t bad_len; 46 uint64_t mtods; 47 }; 48 49 #define IONIC_QCQ_F_INITED BIT(0) 50 #define IONIC_QCQ_F_SG BIT(1) 51 #define IONIC_QCQ_F_DEFERRED BIT(4) 52 #define IONIC_QCQ_F_CSUM_L3 BIT(7) 53 #define IONIC_QCQ_F_CSUM_UDP BIT(8) 54 #define IONIC_QCQ_F_CSUM_TCP BIT(9) 55 56 /* Queue / Completion Queue */ 57 struct ionic_qcq { 58 struct ionic_queue q; /**< Queue */ 59 struct ionic_cq cq; /**< Completion Queue */ 60 struct ionic_lif *lif; /**< LIF */ 61 const struct rte_memzone *base_z; 62 void *base; 63 rte_iova_t base_pa; 64 }; 65 66 struct ionic_admin_qcq { 67 struct ionic_qcq qcq; 68 uint16_t flags; 69 }; 70 71 struct ionic_notify_qcq { 72 struct ionic_qcq qcq; 73 uint16_t flags; 74 75 struct ionic_intr_info intr; 76 }; 77 78 struct ionic_rx_qcq { 79 /* cacheline0, cacheline1 */ 80 struct ionic_qcq qcq; 81 82 /* cacheline2 */ 83 struct rte_mempool *mb_pool; 84 uint16_t flags; 85 86 /* cacheline3 (inside stats) */ 87 struct ionic_rx_stats stats; 88 }; 89 90 struct ionic_tx_qcq { 91 /* cacheline0, cacheline1 */ 92 struct ionic_qcq qcq; 93 94 /* cacheline2 */ 95 uint16_t flags; 96 97 struct ionic_tx_stats stats; 98 }; 99 100 #define IONIC_Q_TO_QCQ(_q) container_of(_q, struct ionic_qcq, q) 101 #define IONIC_CQ_TO_QCQ(_cq) container_of(_cq, struct ionic_qcq, cq) 102 103 struct ionic_qtype_info { 104 uint8_t version; 105 uint8_t supported; 106 uint64_t features; 107 uint16_t desc_sz; 108 uint16_t comp_sz; 109 uint16_t sg_desc_sz; 110 uint16_t max_sg_elems; 111 uint16_t sg_desc_stride; 112 }; 113 114 #define IONIC_LIF_F_INITED BIT(0) 115 #define IONIC_LIF_F_LINK_CHECK_NEEDED BIT(1) 116 #define IONIC_LIF_F_UP BIT(2) 117 #define IONIC_LIF_F_FW_RESET BIT(3) 118 119 #define IONIC_LIF_NAME_MAX_SZ (32) 120 121 struct ionic_lif { 122 struct ionic_adapter *adapter; 123 struct rte_eth_dev *eth_dev; 124 uint16_t port_id; /**< Device port identifier */ 125 uint32_t hw_index; 126 uint32_t state; 127 uint32_t ntxqcqs; 128 uint32_t nrxqcqs; 129 rte_spinlock_t adminq_lock; 130 rte_spinlock_t adminq_service_lock; 131 struct ionic_admin_qcq *adminqcq; 132 struct ionic_notify_qcq *notifyqcq; 133 struct ionic_tx_qcq **txqcqs; 134 struct ionic_rx_qcq **rxqcqs; 135 struct ionic_rx_filters rx_filters; 136 struct ionic_doorbell __iomem *kern_dbpage; 137 uint64_t last_eid; 138 uint64_t features; 139 uint32_t hw_features; 140 uint32_t rx_mode; 141 char name[IONIC_LIF_NAME_MAX_SZ]; 142 uint8_t mac_addr[RTE_ETHER_ADDR_LEN]; 143 uint16_t rss_types; 144 uint8_t rss_hash_key[IONIC_RSS_HASH_KEY_SIZE]; 145 uint8_t *rss_ind_tbl; 146 rte_iova_t rss_ind_tbl_pa; 147 const struct rte_memzone *rss_ind_tbl_z; 148 uint32_t rss_ind_tbl_nrxqcqs; 149 uint32_t info_sz; 150 struct ionic_lif_info *info; 151 rte_iova_t info_pa; 152 const struct rte_memzone *info_z; 153 154 struct ionic_qtype_info qtype_info[IONIC_QTYPE_MAX]; 155 uint8_t qtype_ver[IONIC_QTYPE_MAX]; 156 157 struct rte_eth_stats stats_base; 158 struct ionic_lif_stats lif_stats_base; 159 }; 160 161 int ionic_lif_identify(struct ionic_adapter *adapter); 162 int ionic_lifs_size(struct ionic_adapter *ionic); 163 164 int ionic_lif_alloc(struct ionic_lif *lif); 165 void ionic_lif_free(struct ionic_lif *lif); 166 void ionic_lif_free_queues(struct ionic_lif *lif); 167 168 int ionic_lif_init(struct ionic_lif *lif); 169 void ionic_lif_deinit(struct ionic_lif *lif); 170 171 int ionic_lif_start(struct ionic_lif *lif); 172 void ionic_lif_stop(struct ionic_lif *lif); 173 174 void ionic_lif_configure(struct ionic_lif *lif); 175 void ionic_lif_configure_vlan_offload(struct ionic_lif *lif, int mask); 176 void ionic_lif_reset(struct ionic_lif *lif); 177 178 int ionic_intr_alloc(struct ionic_lif *lif, struct ionic_intr_info *intr); 179 180 int ionic_qcq_service(struct ionic_qcq *qcq, int budget, ionic_cq_cb cb, 181 void *cb_arg); 182 183 int ionic_lif_change_mtu(struct ionic_lif *lif, int new_mtu); 184 185 int ionic_dev_add_mac(struct rte_eth_dev *eth_dev, 186 struct rte_ether_addr *mac_addr, 187 uint32_t index __rte_unused, uint32_t pool __rte_unused); 188 void ionic_dev_remove_mac(struct rte_eth_dev *eth_dev, 189 uint32_t index __rte_unused); 190 int ionic_dev_set_mac(struct rte_eth_dev *eth_dev, 191 struct rte_ether_addr *mac_addr); 192 int ionic_dev_vlan_filter_set(struct rte_eth_dev *eth_dev, uint16_t vlan_id, 193 int on); 194 int ionic_dev_promiscuous_enable(struct rte_eth_dev *dev); 195 int ionic_dev_promiscuous_disable(struct rte_eth_dev *dev); 196 int ionic_dev_allmulticast_enable(struct rte_eth_dev *dev); 197 int ionic_dev_allmulticast_disable(struct rte_eth_dev *dev); 198 199 int ionic_rx_qcq_alloc(struct ionic_lif *lif, uint32_t socket_id, 200 uint32_t index, uint16_t nrxq_descs, 201 struct ionic_rx_qcq **qcq_out); 202 int ionic_tx_qcq_alloc(struct ionic_lif *lif, uint32_t socket_id, 203 uint32_t index, uint16_t ntxq_descs, 204 struct ionic_tx_qcq **qcq_out); 205 void ionic_qcq_free(struct ionic_qcq *qcq); 206 207 int ionic_qcq_enable(struct ionic_qcq *qcq); 208 int ionic_qcq_disable(struct ionic_qcq *qcq); 209 210 int ionic_lif_rxq_init(struct ionic_rx_qcq *rxq); 211 void ionic_lif_rxq_deinit(struct ionic_rx_qcq *rxq); 212 213 int ionic_lif_txq_init(struct ionic_tx_qcq *txq); 214 void ionic_lif_txq_deinit(struct ionic_tx_qcq *txq); 215 216 int ionic_lif_rss_config(struct ionic_lif *lif, const uint16_t types, 217 const uint8_t *key, const uint32_t *indir); 218 219 int ionic_lif_set_features(struct ionic_lif *lif); 220 221 void ionic_lif_get_stats(const struct ionic_lif *lif, 222 struct rte_eth_stats *stats); 223 void ionic_lif_reset_stats(struct ionic_lif *lif); 224 225 void ionic_lif_get_hw_stats(struct ionic_lif *lif, 226 struct ionic_lif_stats *stats); 227 void ionic_lif_reset_hw_stats(struct ionic_lif *lif); 228 229 int ionic_notifyq_handler(struct ionic_lif *lif, int budget); 230 231 #endif /* _IONIC_LIF_H_ */ 232