diff options
Diffstat (limited to 'drivers/net/mlx5/mlx5.h')
| -rw-r--r-- | drivers/net/mlx5/mlx5.h | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h new file mode 100644 index 00000000..24876625 --- /dev/null +++ b/drivers/net/mlx5/mlx5.h @@ -0,0 +1,257 @@ +/*- + * BSD LICENSE + * + * Copyright 2015 6WIND S.A. + * Copyright 2015 Mellanox. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of 6WIND S.A. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#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 <linux/if.h> + +/* Verbs header. */ +/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */ +#ifdef PEDANTIC +#pragma GCC diagnostic ignored "-pedantic" +#endif +#include <infiniband/verbs.h> +#ifdef PEDANTIC +#pragma GCC diagnostic error "-pedantic" +#endif + +/* DPDK headers don't like -pedantic. */ +#ifdef PEDANTIC +#pragma GCC diagnostic ignored "-pedantic" +#endif +#include <rte_ether.h> +#include <rte_ethdev.h> +#include <rte_spinlock.h> +#include <rte_interrupts.h> +#include <rte_errno.h> +#ifdef PEDANTIC +#pragma GCC diagnostic error "-pedantic" +#endif + +#include "mlx5_utils.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, +}; + +struct priv { + struct rte_eth_dev *dev; /* Ethernet device. */ + struct ibv_context *ctx; /* Verbs context. */ + struct ibv_device_attr device_attr; /* Device properties. */ + struct ibv_pd *pd; /* Protection Domain. */ + /* + * MAC addresses array and configuration bit-field. + * An extra entry that cannot be modified by the DPDK is reserved + * for broadcast frames (destination MAC address ff:ff:ff:ff:ff:ff). + */ + struct ether_addr mac[MLX5_MAX_MAC_ADDRESSES]; + BITFIELD_DECLARE(mac_configured, uint32_t, MLX5_MAX_MAC_ADDRESSES); + 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. */ + uint8_t port; /* Physical port number. */ + unsigned int started:1; /* Device started, flows enabled. */ + unsigned int promisc_req:1; /* Promiscuous mode requested. */ + unsigned int allmulti_req:1; /* All multicast mode requested. */ + unsigned int hw_csum:1; /* Checksum offload is supported. */ + unsigned int hw_csum_l2tun:1; /* Same for L2 tunnels. */ + 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 device. */ + unsigned int mps:1; /* Whether multi-packet send is supported. */ + unsigned int pending_alarm:1; /* An alarm is pending. */ + /* RX/TX queues. */ + unsigned int rxqs_n; /* RX queues array size. */ + unsigned int txqs_n; /* TX queues array size. */ + struct rxq *(*rxqs)[]; /* RX queues. */ + struct txq *(*txqs)[]; /* TX queues. */ + /* Indirection tables referencing all RX WQs. */ + struct ibv_exp_rwq_ind_table *(*ind_tables)[]; + unsigned int ind_tables_n; /* Number of indirection tables. */ + unsigned int ind_table_max_size; /* Maximum indirection table size. */ + /* Hash RX QPs feeding the indirection table. */ + struct hash_rxq (*hash_rxqs)[]; + unsigned int hash_rxqs_n; /* Hash RX QPs array size. */ + /* RSS configuration array indexed by hash RX queue type. */ + struct rte_eth_rss_conf *(*rss_conf)[]; + uint64_t rss_hf; /* RSS DPDK bit field of active RSS. */ + struct rte_intr_handle intr_handle; /* Interrupt handler. */ + unsigned int (*reta_idx)[]; /* RETA index table. */ + unsigned int reta_idx_n; /* RETA index size. */ + struct fdir_filter_list *fdir_filter_list; /* Flow director rules. */ + rte_spinlock_t lock; /* Lock for control functions. */ +}; + +/* Local storage for secondary process data. */ +struct mlx5_secondary_data { + struct rte_eth_dev_data data; /* Local device data. */ + struct priv *primary_priv; /* Private structure from primary. */ + struct rte_eth_dev_data *shared_dev_data; /* Shared device data. */ + rte_spinlock_t lock; /* Port configuration lock. */ +} mlx5_secondary_data[RTE_MAX_ETHPORTS]; + +/** + * Lock private structure to protect it from concurrent access in the + * control path. + * + * @param priv + * Pointer to private structure. + */ +static inline void +priv_lock(struct priv *priv) +{ + rte_spinlock_lock(&priv->lock); +} + +/** + * Unlock private structure. + * + * @param priv + * Pointer to private structure. + */ +static inline void +priv_unlock(struct priv *priv) +{ + rte_spinlock_unlock(&priv->lock); +} + +/* mlx5.c */ + +int mlx5_getenv_int(const char *); + +/* mlx5_ethdev.c */ + +struct priv *mlx5_get_priv(struct rte_eth_dev *dev); +int mlx5_is_secondary(void); +int priv_get_ifname(const struct priv *, char (*)[IF_NAMESIZE]); +int priv_ifreq(const struct priv *, int req, struct ifreq *); +int priv_get_mtu(struct priv *, uint16_t *); +int priv_set_flags(struct priv *, unsigned int, unsigned int); +int mlx5_dev_configure(struct rte_eth_dev *); +void mlx5_dev_infos_get(struct rte_eth_dev *, struct rte_eth_dev_info *); +const uint32_t *mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev); +int mlx5_link_update(struct rte_eth_dev *, int); +int mlx5_dev_set_mtu(struct rte_eth_dev *, uint16_t); +int mlx5_dev_get_flow_ctrl(struct rte_eth_dev *, struct rte_eth_fc_conf *); +int mlx5_dev_set_flow_ctrl(struct rte_eth_dev *, struct rte_eth_fc_conf *); +int mlx5_ibv_device_to_pci_addr(const struct ibv_device *, + struct rte_pci_addr *); +void mlx5_dev_link_status_handler(void *); +void mlx5_dev_interrupt_handler(struct rte_intr_handle *, void *); +void priv_dev_interrupt_handler_uninstall(struct priv *, struct rte_eth_dev *); +void priv_dev_interrupt_handler_install(struct priv *, struct rte_eth_dev *); +int mlx5_set_link_down(struct rte_eth_dev *dev); +int mlx5_set_link_up(struct rte_eth_dev *dev); +struct priv *mlx5_secondary_data_setup(struct priv *priv); + +/* mlx5_mac.c */ + +int priv_get_mac(struct priv *, uint8_t (*)[ETHER_ADDR_LEN]); +void hash_rxq_mac_addrs_del(struct hash_rxq *); +void priv_mac_addrs_disable(struct priv *); +void mlx5_mac_addr_remove(struct rte_eth_dev *, uint32_t); +int hash_rxq_mac_addrs_add(struct hash_rxq *); +int priv_mac_addr_add(struct priv *, unsigned int, + const uint8_t (*)[ETHER_ADDR_LEN]); +int priv_mac_addrs_enable(struct priv *); +void mlx5_mac_addr_add(struct rte_eth_dev *, struct ether_addr *, uint32_t, + uint32_t); +void mlx5_mac_addr_set(struct rte_eth_dev *, struct ether_addr *); + +/* mlx5_rss.c */ + +int rss_hash_rss_conf_new_key(struct priv *, const uint8_t *, unsigned int, + uint64_t); +int mlx5_rss_hash_update(struct rte_eth_dev *, struct rte_eth_rss_conf *); +int mlx5_rss_hash_conf_get(struct rte_eth_dev *, struct rte_eth_rss_conf *); +int priv_rss_reta_index_resize(struct priv *, unsigned int); +int mlx5_dev_rss_reta_query(struct rte_eth_dev *, + struct rte_eth_rss_reta_entry64 *, uint16_t); +int mlx5_dev_rss_reta_update(struct rte_eth_dev *, + struct rte_eth_rss_reta_entry64 *, uint16_t); + +/* mlx5_rxmode.c */ + +int priv_special_flow_enable(struct priv *, enum hash_rxq_flow_type); +void priv_special_flow_disable(struct priv *, enum hash_rxq_flow_type); +int priv_special_flow_enable_all(struct priv *); +void priv_special_flow_disable_all(struct priv *); +void mlx5_promiscuous_enable(struct rte_eth_dev *); +void mlx5_promiscuous_disable(struct rte_eth_dev *); +void mlx5_allmulticast_enable(struct rte_eth_dev *); +void mlx5_allmulticast_disable(struct rte_eth_dev *); + +/* mlx5_stats.c */ + +void mlx5_stats_get(struct rte_eth_dev *, struct rte_eth_stats *); +void mlx5_stats_reset(struct rte_eth_dev *); + +/* mlx5_vlan.c */ + +int mlx5_vlan_filter_set(struct rte_eth_dev *, uint16_t, int); +void mlx5_vlan_offload_set(struct rte_eth_dev *, int); +void mlx5_vlan_strip_queue_set(struct rte_eth_dev *, uint16_t, int); + +/* mlx5_trigger.c */ + +int mlx5_dev_start(struct rte_eth_dev *); +void mlx5_dev_stop(struct rte_eth_dev *); + +/* mlx5_fdir.c */ + +int fdir_init_filters_list(struct priv *); +void priv_fdir_delete_filters_list(struct priv *); +void priv_fdir_disable(struct priv *); +void priv_fdir_enable(struct priv *); +int mlx5_dev_filter_ctrl(struct rte_eth_dev *, enum rte_filter_type, + enum rte_filter_op, void *); + +#endif /* RTE_PMD_MLX5_H_ */ |