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 uint64_t frags; 38 }; 39 40 struct ionic_rx_stats { 41 uint64_t packets; 42 uint64_t bytes; 43 uint64_t no_cb_arg; 44 uint64_t bad_cq_status; 45 uint64_t no_room; 46 uint64_t bad_len; 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 struct rte_mempool *mb_pool; /**< mbuf pool to populate the RX ring */ 62 union { 63 struct ionic_tx_stats tx; 64 struct ionic_rx_stats rx; 65 } stats; 66 const struct rte_memzone *base_z; 67 void *base; 68 rte_iova_t base_pa; 69 uint32_t total_size; 70 uint32_t flags; 71 struct ionic_intr_info intr; 72 }; 73 74 #define IONIC_Q_TO_QCQ(q) container_of(q, struct ionic_qcq, q) 75 #define IONIC_Q_TO_TX_STATS(q) (&IONIC_Q_TO_QCQ(q)->stats.tx) 76 #define IONIC_Q_TO_RX_STATS(q) (&IONIC_Q_TO_QCQ(q)->stats.rx) 77 78 struct ionic_qtype_info { 79 uint8_t version; 80 uint8_t supported; 81 uint64_t features; 82 uint16_t desc_sz; 83 uint16_t comp_sz; 84 uint16_t sg_desc_sz; 85 uint16_t max_sg_elems; 86 uint16_t sg_desc_stride; 87 }; 88 89 #define IONIC_LIF_F_INITED BIT(0) 90 #define IONIC_LIF_F_LINK_CHECK_NEEDED BIT(1) 91 #define IONIC_LIF_F_UP BIT(2) 92 #define IONIC_LIF_F_FW_RESET BIT(3) 93 94 #define IONIC_LIF_NAME_MAX_SZ (32) 95 96 struct ionic_lif { 97 struct ionic_adapter *adapter; 98 struct rte_eth_dev *eth_dev; 99 uint16_t port_id; /**< Device port identifier */ 100 uint32_t hw_index; 101 uint32_t state; 102 uint32_t ntxqcqs; 103 uint32_t nrxqcqs; 104 rte_spinlock_t adminq_lock; 105 rte_spinlock_t adminq_service_lock; 106 struct ionic_qcq *adminqcq; 107 struct ionic_qcq *notifyqcq; 108 struct ionic_qcq **txqcqs; 109 struct ionic_qcq **rxqcqs; 110 struct ionic_rx_filters rx_filters; 111 struct ionic_doorbell __iomem *kern_dbpage; 112 uint64_t last_eid; 113 uint64_t features; 114 uint32_t hw_features; 115 uint32_t rx_mode; 116 char name[IONIC_LIF_NAME_MAX_SZ]; 117 uint8_t mac_addr[RTE_ETHER_ADDR_LEN]; 118 uint16_t rss_types; 119 uint8_t rss_hash_key[IONIC_RSS_HASH_KEY_SIZE]; 120 uint8_t *rss_ind_tbl; 121 rte_iova_t rss_ind_tbl_pa; 122 const struct rte_memzone *rss_ind_tbl_z; 123 uint32_t rss_ind_tbl_nrxqcqs; 124 uint32_t info_sz; 125 struct ionic_lif_info *info; 126 rte_iova_t info_pa; 127 const struct rte_memzone *info_z; 128 129 struct ionic_qtype_info qtype_info[IONIC_QTYPE_MAX]; 130 uint8_t qtype_ver[IONIC_QTYPE_MAX]; 131 132 struct rte_eth_stats stats_base; 133 struct ionic_lif_stats lif_stats_base; 134 }; 135 136 int ionic_lif_identify(struct ionic_adapter *adapter); 137 int ionic_lifs_size(struct ionic_adapter *ionic); 138 139 int ionic_lif_alloc(struct ionic_lif *lif); 140 void ionic_lif_free(struct ionic_lif *lif); 141 void ionic_lif_free_queues(struct ionic_lif *lif); 142 143 int ionic_lif_init(struct ionic_lif *lif); 144 void ionic_lif_deinit(struct ionic_lif *lif); 145 146 int ionic_lif_start(struct ionic_lif *lif); 147 void ionic_lif_stop(struct ionic_lif *lif); 148 149 void ionic_lif_configure(struct ionic_lif *lif); 150 void ionic_lif_configure_vlan_offload(struct ionic_lif *lif, int mask); 151 void ionic_lif_reset(struct ionic_lif *lif); 152 153 int ionic_intr_alloc(struct ionic_lif *lif, struct ionic_intr_info *intr); 154 void ionic_intr_free(struct ionic_lif *lif, struct ionic_intr_info *intr); 155 156 bool ionic_adminq_service(struct ionic_cq *cq, uint32_t cq_desc_index, 157 void *cb_arg); 158 int ionic_qcq_service(struct ionic_qcq *qcq, int budget, ionic_cq_cb cb, 159 void *cb_arg); 160 161 int ionic_lif_change_mtu(struct ionic_lif *lif, int new_mtu); 162 163 int ionic_dev_add_mac(struct rte_eth_dev *eth_dev, 164 struct rte_ether_addr *mac_addr, 165 uint32_t index __rte_unused, uint32_t pool __rte_unused); 166 void ionic_dev_remove_mac(struct rte_eth_dev *eth_dev, 167 uint32_t index __rte_unused); 168 int ionic_dev_set_mac(struct rte_eth_dev *eth_dev, 169 struct rte_ether_addr *mac_addr); 170 int ionic_dev_vlan_filter_set(struct rte_eth_dev *eth_dev, uint16_t vlan_id, 171 int on); 172 int ionic_dev_promiscuous_enable(struct rte_eth_dev *dev); 173 int ionic_dev_promiscuous_disable(struct rte_eth_dev *dev); 174 int ionic_dev_allmulticast_enable(struct rte_eth_dev *dev); 175 int ionic_dev_allmulticast_disable(struct rte_eth_dev *dev); 176 177 int ionic_rx_qcq_alloc(struct ionic_lif *lif, uint32_t index, 178 uint16_t nrxq_descs, struct ionic_qcq **qcq); 179 int ionic_tx_qcq_alloc(struct ionic_lif *lif, uint32_t index, 180 uint16_t ntxq_descs, struct ionic_qcq **qcq); 181 void ionic_qcq_free(struct ionic_qcq *qcq); 182 183 int ionic_qcq_enable(struct ionic_qcq *qcq); 184 int ionic_qcq_disable(struct ionic_qcq *qcq); 185 186 int ionic_lif_rxq_init(struct ionic_qcq *qcq); 187 void ionic_lif_rxq_deinit(struct ionic_qcq *qcq); 188 189 int ionic_lif_txq_init(struct ionic_qcq *qcq); 190 void ionic_lif_txq_deinit(struct ionic_qcq *qcq); 191 192 int ionic_lif_rss_config(struct ionic_lif *lif, const uint16_t types, 193 const uint8_t *key, const uint32_t *indir); 194 195 int ionic_lif_set_features(struct ionic_lif *lif); 196 197 void ionic_lif_get_stats(const struct ionic_lif *lif, 198 struct rte_eth_stats *stats); 199 void ionic_lif_reset_stats(struct ionic_lif *lif); 200 201 void ionic_lif_get_hw_stats(struct ionic_lif *lif, 202 struct ionic_lif_stats *stats); 203 void ionic_lif_reset_hw_stats(struct ionic_lif *lif); 204 205 int ionic_notifyq_handler(struct ionic_lif *lif, int budget); 206 207 #endif /* _IONIC_LIF_H_ */ 208