diff options
Diffstat (limited to 'src/spdk/dpdk/drivers/net/mlx5/mlx5.h')
| -rw-r--r-- | src/spdk/dpdk/drivers/net/mlx5/mlx5.h | 418 |
1 files changed, 418 insertions, 0 deletions
diff --git a/src/spdk/dpdk/drivers/net/mlx5/mlx5.h b/src/spdk/dpdk/drivers/net/mlx5/mlx5.h new file mode 100644 index 00000000..a3a34cff --- /dev/null +++ b/src/spdk/dpdk/drivers/net/mlx5/mlx5.h @@ -0,0 +1,418 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2015 6WIND S.A. + * Copyright 2015 Mellanox Technologies, Ltd + */ + +#ifndef RTE_PMD_MLX5_H_ +#define RTE_PMD_MLX5_H_ + +#include <stddef.h> +#include <stdint.h> +#include <limits.h> +#include <net/if.h> +#include <netinet/in.h> +#include <sys/queue.h> + +/* Verbs header. */ +/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */ +#ifdef PEDANTIC +#pragma GCC diagnostic ignored "-Wpedantic" +#endif +#include <infiniband/verbs.h> +#ifdef PEDANTIC +#pragma GCC diagnostic error "-Wpedantic" +#endif + +#include <rte_pci.h> +#include <rte_ether.h> +#include <rte_ethdev_driver.h> +#include <rte_rwlock.h> +#include <rte_interrupts.h> +#include <rte_errno.h> +#include <rte_flow.h> + +#include "mlx5_utils.h" +#include "mlx5_mr.h" +#include "mlx5_rxtx.h" +#include "mlx5_autoconf.h" +#include "mlx5_defs.h" + +enum { + PCI_VENDOR_ID_MELLANOX = 0x15b3, +}; + +enum { + PCI_DEVICE_ID_MELLANOX_CONNECTX4 = 0x1013, + PCI_DEVICE_ID_MELLANOX_CONNECTX4VF = 0x1014, + PCI_DEVICE_ID_MELLANOX_CONNECTX4LX = 0x1015, + PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF = 0x1016, + PCI_DEVICE_ID_MELLANOX_CONNECTX5 = 0x1017, + PCI_DEVICE_ID_MELLANOX_CONNECTX5VF = 0x1018, + PCI_DEVICE_ID_MELLANOX_CONNECTX5EX = 0x1019, + PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF = 0x101a, + PCI_DEVICE_ID_MELLANOX_CONNECTX5BF = 0xa2d2, +}; + +/** Switch information returned by mlx5_nl_switch_info(). */ +struct mlx5_switch_info { + uint32_t master:1; /**< Master device. */ + uint32_t representor:1; /**< Representor device. */ + int32_t port_name; /**< Representor port name. */ + uint64_t switch_id; /**< Switch identifier. */ +}; + +LIST_HEAD(mlx5_dev_list, priv); + +/* Shared memory between primary and secondary processes. */ +struct mlx5_shared_data { + struct mlx5_dev_list mem_event_cb_list; + rte_rwlock_t mem_event_rwlock; +}; + +extern struct mlx5_shared_data *mlx5_shared_data; + +struct mlx5_xstats_ctrl { + /* Number of device stats. */ + uint16_t stats_n; + /* Index in the device counters table. */ + uint16_t dev_table_idx[MLX5_MAX_XSTATS]; + uint64_t base[MLX5_MAX_XSTATS]; +}; + +/* Flow list . */ +TAILQ_HEAD(mlx5_flows, rte_flow); + +/* Default PMD specific parameter value. */ +#define MLX5_ARG_UNSET (-1) + +/* + * Device configuration structure. + * + * Merged configuration from: + * + * - Device capabilities, + * - User device parameters disabled features. + */ +struct mlx5_dev_config { + unsigned int hw_csum:1; /* Checksum offload is supported. */ + unsigned int hw_vlan_strip:1; /* VLAN stripping is supported. */ + unsigned int hw_fcs_strip:1; /* FCS stripping is supported. */ + unsigned int hw_padding:1; /* End alignment padding is supported. */ + unsigned int vf:1; /* This is a VF. */ + unsigned int mps:2; /* Multi-packet send supported mode. */ + unsigned int tunnel_en:1; + /* Whether tunnel stateless offloads are supported. */ + unsigned int mpls_en:1; /* MPLS over GRE/UDP is enabled. */ + unsigned int flow_counter_en:1; /* Whether flow counter is supported. */ + unsigned int cqe_comp:1; /* CQE compression is enabled. */ + unsigned int tso:1; /* Whether TSO is supported. */ + unsigned int tx_vec_en:1; /* Tx vector is enabled. */ + unsigned int rx_vec_en:1; /* Rx vector is enabled. */ + unsigned int mpw_hdr_dseg:1; /* Enable DSEGs in the title WQEBB. */ + unsigned int l3_vxlan_en:1; /* Enable L3 VXLAN flow creation. */ + unsigned int vf_nl_en:1; /* Enable Netlink requests in VF mode. */ + unsigned int swp:1; /* Tx generic tunnel checksum and TSO offload. */ + struct { + unsigned int enabled:1; /* Whether MPRQ is enabled. */ + unsigned int stride_num_n; /* Number of strides. */ + unsigned int min_stride_size_n; /* Min size of a stride. */ + unsigned int max_stride_size_n; /* Max size of a stride. */ + unsigned int max_memcpy_len; + /* Maximum packet size to memcpy Rx packets. */ + unsigned int min_rxqs_num; + /* Rx queue count threshold to enable MPRQ. */ + } mprq; /* Configurations for Multi-Packet RQ. */ + unsigned int flow_prio; /* Number of flow priorities. */ + unsigned int tso_max_payload_sz; /* Maximum TCP payload for TSO. */ + unsigned int ind_table_max_size; /* Maximum indirection table size. */ + int txq_inline; /* Maximum packet size for inlining. */ + int txqs_inline; /* Queue number threshold for inlining. */ + int inline_max_packet_sz; /* Max packet size for inlining. */ +}; + +/** + * Type of objet being allocated. + */ +enum mlx5_verbs_alloc_type { + MLX5_VERBS_ALLOC_TYPE_NONE, + MLX5_VERBS_ALLOC_TYPE_TX_QUEUE, + MLX5_VERBS_ALLOC_TYPE_RX_QUEUE, +}; + +/** + * Verbs allocator needs a context to know in the callback which kind of + * resources it is allocating. + */ +struct mlx5_verbs_alloc_ctx { + enum mlx5_verbs_alloc_type type; /* Kind of object being allocated. */ + const void *obj; /* Pointer to the DPDK object. */ +}; + +LIST_HEAD(mlx5_mr_list, mlx5_mr); + +/* Flow drop context necessary due to Verbs API. */ +struct mlx5_drop { + struct mlx5_hrxq *hrxq; /* Hash Rx queue queue. */ + struct mlx5_rxq_ibv *rxq; /* Verbs Rx queue. */ +}; + +/** DPDK port to network interface index (ifindex) conversion. */ +struct mlx5_nl_flow_ptoi { + uint16_t port_id; /**< DPDK port ID. */ + unsigned int ifindex; /**< Network interface index. */ +}; + +struct mnl_socket; + +struct priv { + LIST_ENTRY(priv) mem_event_cb; /* Called by memory event callback. */ + struct rte_eth_dev_data *dev_data; /* Pointer to device data. */ + struct ibv_context *ctx; /* Verbs context. */ + struct ibv_device_attr_ex device_attr; /* Device properties. */ + struct ibv_pd *pd; /* Protection Domain. */ + char ibdev_name[IBV_SYSFS_NAME_MAX]; /* IB device name. */ + char ibdev_path[IBV_SYSFS_PATH_MAX]; /* IB device path for secondary */ + struct ether_addr mac[MLX5_MAX_MAC_ADDRESSES]; /* MAC addresses. */ + BITFIELD_DECLARE(mac_own, uint64_t, MLX5_MAX_MAC_ADDRESSES); + /* Bit-field of MAC addresses owned by the PMD. */ + uint16_t vlan_filter[MLX5_MAX_VLAN_IDS]; /* VLAN filters table. */ + unsigned int vlan_filter_n; /* Number of configured VLAN filters. */ + /* Device properties. */ + uint16_t mtu; /* Configured MTU. */ + unsigned int isolated:1; /* Whether isolated mode is enabled. */ + unsigned int representor:1; /* Device is a port representor. */ + uint16_t domain_id; /* Switch domain identifier. */ + int32_t representor_id; /* Port representor identifier. */ + /* RX/TX queues. */ + unsigned int rxqs_n; /* RX queues array size. */ + unsigned int txqs_n; /* TX queues array size. */ + struct mlx5_rxq_data *(*rxqs)[]; /* RX queues. */ + struct mlx5_txq_data *(*txqs)[]; /* TX queues. */ + struct rte_mempool *mprq_mp; /* Mempool for Multi-Packet RQ. */ + struct rte_eth_rss_conf rss_conf; /* RSS configuration. */ + struct rte_intr_handle intr_handle; /* Interrupt handler. */ + unsigned int (*reta_idx)[]; /* RETA index table. */ + unsigned int reta_idx_n; /* RETA index size. */ + struct mlx5_drop drop_queue; /* Flow drop queues. */ + struct mlx5_flows flows; /* RTE Flow rules. */ + struct mlx5_flows ctrl_flows; /* Control flow rules. */ + LIST_HEAD(counters, mlx5_flow_counter) flow_counters; + /* Flow counters. */ + struct { + uint32_t dev_gen; /* Generation number to flush local caches. */ + rte_rwlock_t rwlock; /* MR Lock. */ + struct mlx5_mr_btree cache; /* Global MR cache table. */ + struct mlx5_mr_list mr_list; /* Registered MR list. */ + struct mlx5_mr_list mr_free_list; /* Freed MR list. */ + } mr; + LIST_HEAD(rxq, mlx5_rxq_ctrl) rxqsctrl; /* DPDK Rx queues. */ + LIST_HEAD(rxqibv, mlx5_rxq_ibv) rxqsibv; /* Verbs Rx queues. */ + LIST_HEAD(hrxq, mlx5_hrxq) hrxqs; /* Verbs Hash Rx queues. */ + LIST_HEAD(txq, mlx5_txq_ctrl) txqsctrl; /* DPDK Tx queues. */ + LIST_HEAD(txqibv, mlx5_txq_ibv) txqsibv; /* Verbs Tx queues. */ + /* Verbs Indirection tables. */ + LIST_HEAD(ind_tables, mlx5_ind_table_ibv) ind_tbls; + uint32_t link_speed_capa; /* Link speed capabilities. */ + struct mlx5_xstats_ctrl xstats_ctrl; /* Extended stats control. */ + int primary_socket; /* Unix socket for primary process. */ + void *uar_base; /* Reserved address space for UAR mapping */ + struct rte_intr_handle intr_handle_socket; /* Interrupt handler. */ + struct mlx5_dev_config config; /* Device configuration. */ + struct mlx5_verbs_alloc_ctx verbs_alloc_ctx; + /* Context for Verbs allocator. */ + int nl_socket_rdma; /* Netlink socket (NETLINK_RDMA). */ + int nl_socket_route; /* Netlink socket (NETLINK_ROUTE). */ + uint32_t nl_sn; /* Netlink message sequence number. */ +#ifndef RTE_ARCH_64 + rte_spinlock_t uar_lock_cq; /* CQs share a common distinct UAR */ + rte_spinlock_t uar_lock[MLX5_UAR_PAGE_NUM_MAX]; + /* UAR same-page access control required in 32bit implementations. */ +#endif + struct mnl_socket *mnl_socket; /* Libmnl socket. */ +}; + +#define PORT_ID(priv) ((priv)->dev_data->port_id) +#define ETH_DEV(priv) (&rte_eth_devices[PORT_ID(priv)]) + +/* mlx5.c */ + +int mlx5_getenv_int(const char *); + +/* mlx5_ethdev.c */ + +int mlx5_get_master_ifname(const struct rte_eth_dev *dev, + char (*ifname)[IF_NAMESIZE]); +int mlx5_get_ifname(const struct rte_eth_dev *dev, char (*ifname)[IF_NAMESIZE]); +unsigned int mlx5_ifindex(const struct rte_eth_dev *dev); +int mlx5_ifreq(const struct rte_eth_dev *dev, int req, struct ifreq *ifr, + int master); +int mlx5_get_mtu(struct rte_eth_dev *dev, uint16_t *mtu); +int mlx5_set_flags(struct rte_eth_dev *dev, unsigned int keep, + unsigned int flags); +int mlx5_dev_configure(struct rte_eth_dev *dev); +void mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info); +const uint32_t *mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev); +int mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete); +int mlx5_force_link_status_change(struct rte_eth_dev *dev, int status); +int mlx5_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu); +int mlx5_dev_get_flow_ctrl(struct rte_eth_dev *dev, + struct rte_eth_fc_conf *fc_conf); +int mlx5_dev_set_flow_ctrl(struct rte_eth_dev *dev, + struct rte_eth_fc_conf *fc_conf); +int mlx5_ibv_device_to_pci_addr(const struct ibv_device *device, + struct rte_pci_addr *pci_addr); +void mlx5_dev_link_status_handler(void *arg); +void mlx5_dev_interrupt_handler(void *arg); +void mlx5_dev_interrupt_handler_uninstall(struct rte_eth_dev *dev); +void mlx5_dev_interrupt_handler_install(struct rte_eth_dev *dev); +int mlx5_set_link_down(struct rte_eth_dev *dev); +int mlx5_set_link_up(struct rte_eth_dev *dev); +int mlx5_is_removed(struct rte_eth_dev *dev); +eth_tx_burst_t mlx5_select_tx_function(struct rte_eth_dev *dev); +eth_rx_burst_t mlx5_select_rx_function(struct rte_eth_dev *dev); +unsigned int mlx5_dev_to_port_id(const struct rte_device *dev, + uint16_t *port_list, + unsigned int port_list_n); +int mlx5_sysfs_switch_info(unsigned int ifindex, + struct mlx5_switch_info *info); + +/* mlx5_mac.c */ + +int mlx5_get_mac(struct rte_eth_dev *dev, uint8_t (*mac)[ETHER_ADDR_LEN]); +void mlx5_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index); +int mlx5_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac, + uint32_t index, uint32_t vmdq); +int mlx5_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr); +int mlx5_set_mc_addr_list(struct rte_eth_dev *dev, + struct ether_addr *mc_addr_set, uint32_t nb_mc_addr); + +/* mlx5_rss.c */ + +int mlx5_rss_hash_update(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf); +int mlx5_rss_hash_conf_get(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf); +int mlx5_rss_reta_index_resize(struct rte_eth_dev *dev, unsigned int reta_size); +int mlx5_dev_rss_reta_query(struct rte_eth_dev *dev, + struct rte_eth_rss_reta_entry64 *reta_conf, + uint16_t reta_size); +int mlx5_dev_rss_reta_update(struct rte_eth_dev *dev, + struct rte_eth_rss_reta_entry64 *reta_conf, + uint16_t reta_size); + +/* mlx5_rxmode.c */ + +void mlx5_promiscuous_enable(struct rte_eth_dev *dev); +void mlx5_promiscuous_disable(struct rte_eth_dev *dev); +void mlx5_allmulticast_enable(struct rte_eth_dev *dev); +void mlx5_allmulticast_disable(struct rte_eth_dev *dev); + +/* mlx5_stats.c */ + +void mlx5_xstats_init(struct rte_eth_dev *dev); +int mlx5_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats); +void mlx5_stats_reset(struct rte_eth_dev *dev); +int mlx5_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats, + unsigned int n); +void mlx5_xstats_reset(struct rte_eth_dev *dev); +int mlx5_xstats_get_names(struct rte_eth_dev *dev __rte_unused, + struct rte_eth_xstat_name *xstats_names, + unsigned int n); + +/* mlx5_vlan.c */ + +int mlx5_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on); +void mlx5_vlan_strip_queue_set(struct rte_eth_dev *dev, uint16_t queue, int on); +int mlx5_vlan_offload_set(struct rte_eth_dev *dev, int mask); + +/* mlx5_trigger.c */ + +int mlx5_dev_start(struct rte_eth_dev *dev); +void mlx5_dev_stop(struct rte_eth_dev *dev); +int mlx5_traffic_enable(struct rte_eth_dev *dev); +void mlx5_traffic_disable(struct rte_eth_dev *dev); +int mlx5_traffic_restart(struct rte_eth_dev *dev); + +/* mlx5_flow.c */ + +int mlx5_flow_discover_priorities(struct rte_eth_dev *dev); +void mlx5_flow_print(struct rte_flow *flow); +int mlx5_flow_validate(struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, + const struct rte_flow_item items[], + const struct rte_flow_action actions[], + struct rte_flow_error *error); +struct rte_flow *mlx5_flow_create(struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, + const struct rte_flow_item items[], + const struct rte_flow_action actions[], + struct rte_flow_error *error); +int mlx5_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow, + struct rte_flow_error *error); +void mlx5_flow_list_flush(struct rte_eth_dev *dev, struct mlx5_flows *list); +int mlx5_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error); +int mlx5_flow_query(struct rte_eth_dev *dev, struct rte_flow *flow, + const struct rte_flow_action *action, void *data, + struct rte_flow_error *error); +int mlx5_flow_isolate(struct rte_eth_dev *dev, int enable, + struct rte_flow_error *error); +int mlx5_dev_filter_ctrl(struct rte_eth_dev *dev, + enum rte_filter_type filter_type, + enum rte_filter_op filter_op, + void *arg); +int mlx5_flow_start(struct rte_eth_dev *dev, struct mlx5_flows *list); +void mlx5_flow_stop(struct rte_eth_dev *dev, struct mlx5_flows *list); +int mlx5_flow_verify(struct rte_eth_dev *dev); +int mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev, + struct rte_flow_item_eth *eth_spec, + struct rte_flow_item_eth *eth_mask, + struct rte_flow_item_vlan *vlan_spec, + struct rte_flow_item_vlan *vlan_mask); +int mlx5_ctrl_flow(struct rte_eth_dev *dev, + struct rte_flow_item_eth *eth_spec, + struct rte_flow_item_eth *eth_mask); +int mlx5_flow_create_drop_queue(struct rte_eth_dev *dev); +void mlx5_flow_delete_drop_queue(struct rte_eth_dev *dev); + +/* mlx5_socket.c */ + +int mlx5_socket_init(struct rte_eth_dev *priv); +void mlx5_socket_uninit(struct rte_eth_dev *priv); +void mlx5_socket_handle(struct rte_eth_dev *priv); +int mlx5_socket_connect(struct rte_eth_dev *priv); + +/* mlx5_nl.c */ + +int mlx5_nl_init(int protocol); +int mlx5_nl_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac, + uint32_t index); +int mlx5_nl_mac_addr_remove(struct rte_eth_dev *dev, struct ether_addr *mac, + uint32_t index); +void mlx5_nl_mac_addr_sync(struct rte_eth_dev *dev); +void mlx5_nl_mac_addr_flush(struct rte_eth_dev *dev); +int mlx5_nl_promisc(struct rte_eth_dev *dev, int enable); +int mlx5_nl_allmulti(struct rte_eth_dev *dev, int enable); +unsigned int mlx5_nl_ifindex(int nl, const char *name); +int mlx5_nl_switch_info(int nl, unsigned int ifindex, + struct mlx5_switch_info *info); + +/* mlx5_nl_flow.c */ + +int mlx5_nl_flow_transpose(void *buf, + size_t size, + const struct mlx5_nl_flow_ptoi *ptoi, + const struct rte_flow_attr *attr, + const struct rte_flow_item *pattern, + const struct rte_flow_action *actions, + struct rte_flow_error *error); +void mlx5_nl_flow_brand(void *buf, uint32_t handle); +int mlx5_nl_flow_create(struct mnl_socket *nl, void *buf, + struct rte_flow_error *error); +int mlx5_nl_flow_destroy(struct mnl_socket *nl, void *buf, + struct rte_flow_error *error); +int mlx5_nl_flow_init(struct mnl_socket *nl, unsigned int ifindex, + struct rte_flow_error *error); +struct mnl_socket *mlx5_nl_flow_socket_create(void); +void mlx5_nl_flow_socket_destroy(struct mnl_socket *nl); + +#endif /* RTE_PMD_MLX5_H_ */ |