1 /*- 2 * BSD LICENSE 3 * 4 * Copyright 2015 6WIND S.A. 5 * Copyright 2015 Mellanox. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of 6WIND S.A. nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef RTE_PMD_MLX5_H_ 35 #define RTE_PMD_MLX5_H_ 36 37 #include <stddef.h> 38 #include <stdint.h> 39 #include <limits.h> 40 #include <net/if.h> 41 #include <netinet/in.h> 42 #include <linux/if.h> 43 44 /* Verbs header. */ 45 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */ 46 #ifdef PEDANTIC 47 #pragma GCC diagnostic ignored "-pedantic" 48 #endif 49 #include <infiniband/verbs.h> 50 #ifdef PEDANTIC 51 #pragma GCC diagnostic error "-pedantic" 52 #endif 53 54 /* DPDK headers don't like -pedantic. */ 55 #ifdef PEDANTIC 56 #pragma GCC diagnostic ignored "-pedantic" 57 #endif 58 #include <rte_ether.h> 59 #include <rte_ethdev.h> 60 #include <rte_spinlock.h> 61 #include <rte_interrupts.h> 62 #include <rte_errno.h> 63 #ifdef PEDANTIC 64 #pragma GCC diagnostic error "-pedantic" 65 #endif 66 67 #include "mlx5_utils.h" 68 #include "mlx5_rxtx.h" 69 #include "mlx5_autoconf.h" 70 #include "mlx5_defs.h" 71 72 enum { 73 PCI_VENDOR_ID_MELLANOX = 0x15b3, 74 }; 75 76 enum { 77 PCI_DEVICE_ID_MELLANOX_CONNECTX4 = 0x1013, 78 PCI_DEVICE_ID_MELLANOX_CONNECTX4VF = 0x1014, 79 PCI_DEVICE_ID_MELLANOX_CONNECTX4LX = 0x1015, 80 PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF = 0x1016, 81 }; 82 83 struct priv { 84 struct rte_eth_dev *dev; /* Ethernet device. */ 85 struct ibv_context *ctx; /* Verbs context. */ 86 struct ibv_device_attr device_attr; /* Device properties. */ 87 struct ibv_pd *pd; /* Protection Domain. */ 88 /* 89 * MAC addresses array and configuration bit-field. 90 * An extra entry that cannot be modified by the DPDK is reserved 91 * for broadcast frames (destination MAC address ff:ff:ff:ff:ff:ff). 92 */ 93 struct ether_addr mac[MLX5_MAX_MAC_ADDRESSES]; 94 BITFIELD_DECLARE(mac_configured, uint32_t, MLX5_MAX_MAC_ADDRESSES); 95 uint16_t vlan_filter[MLX5_MAX_VLAN_IDS]; /* VLAN filters table. */ 96 unsigned int vlan_filter_n; /* Number of configured VLAN filters. */ 97 /* Device properties. */ 98 uint16_t mtu; /* Configured MTU. */ 99 uint8_t port; /* Physical port number. */ 100 unsigned int started:1; /* Device started, flows enabled. */ 101 unsigned int promisc_req:1; /* Promiscuous mode requested. */ 102 unsigned int allmulti_req:1; /* All multicast mode requested. */ 103 unsigned int hw_csum:1; /* Checksum offload is supported. */ 104 unsigned int hw_csum_l2tun:1; /* Same for L2 tunnels. */ 105 unsigned int hw_vlan_strip:1; /* VLAN stripping is supported. */ 106 unsigned int hw_fcs_strip:1; /* FCS stripping is supported. */ 107 unsigned int hw_padding:1; /* End alignment padding is supported. */ 108 unsigned int vf:1; /* This is a VF device. */ 109 unsigned int mps:1; /* Whether multi-packet send is supported. */ 110 unsigned int pending_alarm:1; /* An alarm is pending. */ 111 /* RX/TX queues. */ 112 unsigned int rxqs_n; /* RX queues array size. */ 113 unsigned int txqs_n; /* TX queues array size. */ 114 struct rxq *(*rxqs)[]; /* RX queues. */ 115 struct txq *(*txqs)[]; /* TX queues. */ 116 /* Indirection tables referencing all RX WQs. */ 117 struct ibv_exp_rwq_ind_table *(*ind_tables)[]; 118 unsigned int ind_tables_n; /* Number of indirection tables. */ 119 unsigned int ind_table_max_size; /* Maximum indirection table size. */ 120 /* Hash RX QPs feeding the indirection table. */ 121 struct hash_rxq (*hash_rxqs)[]; 122 unsigned int hash_rxqs_n; /* Hash RX QPs array size. */ 123 /* RSS configuration array indexed by hash RX queue type. */ 124 struct rte_eth_rss_conf *(*rss_conf)[]; 125 uint64_t rss_hf; /* RSS DPDK bit field of active RSS. */ 126 struct rte_intr_handle intr_handle; /* Interrupt handler. */ 127 unsigned int (*reta_idx)[]; /* RETA index table. */ 128 unsigned int reta_idx_n; /* RETA index size. */ 129 struct fdir_filter_list *fdir_filter_list; /* Flow director rules. */ 130 rte_spinlock_t lock; /* Lock for control functions. */ 131 }; 132 133 /* Local storage for secondary process data. */ 134 struct mlx5_secondary_data { 135 struct rte_eth_dev_data data; /* Local device data. */ 136 struct priv *primary_priv; /* Private structure from primary. */ 137 struct rte_eth_dev_data *shared_dev_data; /* Shared device data. */ 138 rte_spinlock_t lock; /* Port configuration lock. */ 139 } mlx5_secondary_data[RTE_MAX_ETHPORTS]; 140 141 /** 142 * Lock private structure to protect it from concurrent access in the 143 * control path. 144 * 145 * @param priv 146 * Pointer to private structure. 147 */ 148 static inline void 149 priv_lock(struct priv *priv) 150 { 151 rte_spinlock_lock(&priv->lock); 152 } 153 154 /** 155 * Unlock private structure. 156 * 157 * @param priv 158 * Pointer to private structure. 159 */ 160 static inline void 161 priv_unlock(struct priv *priv) 162 { 163 rte_spinlock_unlock(&priv->lock); 164 } 165 166 /* mlx5.c */ 167 168 int mlx5_getenv_int(const char *); 169 170 /* mlx5_ethdev.c */ 171 172 struct priv *mlx5_get_priv(struct rte_eth_dev *dev); 173 int mlx5_is_secondary(void); 174 int priv_get_ifname(const struct priv *, char (*)[IF_NAMESIZE]); 175 int priv_ifreq(const struct priv *, int req, struct ifreq *); 176 int priv_get_mtu(struct priv *, uint16_t *); 177 int priv_set_flags(struct priv *, unsigned int, unsigned int); 178 int mlx5_dev_configure(struct rte_eth_dev *); 179 void mlx5_dev_infos_get(struct rte_eth_dev *, struct rte_eth_dev_info *); 180 const uint32_t *mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev); 181 int mlx5_link_update(struct rte_eth_dev *, int); 182 int mlx5_dev_set_mtu(struct rte_eth_dev *, uint16_t); 183 int mlx5_dev_get_flow_ctrl(struct rte_eth_dev *, struct rte_eth_fc_conf *); 184 int mlx5_dev_set_flow_ctrl(struct rte_eth_dev *, struct rte_eth_fc_conf *); 185 int mlx5_ibv_device_to_pci_addr(const struct ibv_device *, 186 struct rte_pci_addr *); 187 void mlx5_dev_link_status_handler(void *); 188 void mlx5_dev_interrupt_handler(struct rte_intr_handle *, void *); 189 void priv_dev_interrupt_handler_uninstall(struct priv *, struct rte_eth_dev *); 190 void priv_dev_interrupt_handler_install(struct priv *, struct rte_eth_dev *); 191 int mlx5_set_link_down(struct rte_eth_dev *dev); 192 int mlx5_set_link_up(struct rte_eth_dev *dev); 193 struct priv *mlx5_secondary_data_setup(struct priv *priv); 194 195 /* mlx5_mac.c */ 196 197 int priv_get_mac(struct priv *, uint8_t (*)[ETHER_ADDR_LEN]); 198 void hash_rxq_mac_addrs_del(struct hash_rxq *); 199 void priv_mac_addrs_disable(struct priv *); 200 void mlx5_mac_addr_remove(struct rte_eth_dev *, uint32_t); 201 int hash_rxq_mac_addrs_add(struct hash_rxq *); 202 int priv_mac_addr_add(struct priv *, unsigned int, 203 const uint8_t (*)[ETHER_ADDR_LEN]); 204 int priv_mac_addrs_enable(struct priv *); 205 void mlx5_mac_addr_add(struct rte_eth_dev *, struct ether_addr *, uint32_t, 206 uint32_t); 207 void mlx5_mac_addr_set(struct rte_eth_dev *, struct ether_addr *); 208 209 /* mlx5_rss.c */ 210 211 int rss_hash_rss_conf_new_key(struct priv *, const uint8_t *, unsigned int, 212 uint64_t); 213 int mlx5_rss_hash_update(struct rte_eth_dev *, struct rte_eth_rss_conf *); 214 int mlx5_rss_hash_conf_get(struct rte_eth_dev *, struct rte_eth_rss_conf *); 215 int priv_rss_reta_index_resize(struct priv *, unsigned int); 216 int mlx5_dev_rss_reta_query(struct rte_eth_dev *, 217 struct rte_eth_rss_reta_entry64 *, uint16_t); 218 int mlx5_dev_rss_reta_update(struct rte_eth_dev *, 219 struct rte_eth_rss_reta_entry64 *, uint16_t); 220 221 /* mlx5_rxmode.c */ 222 223 int priv_special_flow_enable(struct priv *, enum hash_rxq_flow_type); 224 void priv_special_flow_disable(struct priv *, enum hash_rxq_flow_type); 225 int priv_special_flow_enable_all(struct priv *); 226 void priv_special_flow_disable_all(struct priv *); 227 void mlx5_promiscuous_enable(struct rte_eth_dev *); 228 void mlx5_promiscuous_disable(struct rte_eth_dev *); 229 void mlx5_allmulticast_enable(struct rte_eth_dev *); 230 void mlx5_allmulticast_disable(struct rte_eth_dev *); 231 232 /* mlx5_stats.c */ 233 234 void mlx5_stats_get(struct rte_eth_dev *, struct rte_eth_stats *); 235 void mlx5_stats_reset(struct rte_eth_dev *); 236 237 /* mlx5_vlan.c */ 238 239 int mlx5_vlan_filter_set(struct rte_eth_dev *, uint16_t, int); 240 void mlx5_vlan_offload_set(struct rte_eth_dev *, int); 241 void mlx5_vlan_strip_queue_set(struct rte_eth_dev *, uint16_t, int); 242 243 /* mlx5_trigger.c */ 244 245 int mlx5_dev_start(struct rte_eth_dev *); 246 void mlx5_dev_stop(struct rte_eth_dev *); 247 248 /* mlx5_fdir.c */ 249 250 int fdir_init_filters_list(struct priv *); 251 void priv_fdir_delete_filters_list(struct priv *); 252 void priv_fdir_disable(struct priv *); 253 void priv_fdir_enable(struct priv *); 254 int mlx5_dev_filter_ctrl(struct rte_eth_dev *, enum rte_filter_type, 255 enum rte_filter_op, void *); 256 257 #endif /* RTE_PMD_MLX5_H_ */ 258