diff options
Diffstat (limited to 'drivers/net/mlx5/mlx5.h')
| -rw-r--r-- | drivers/net/mlx5/mlx5.h | 134 |
1 files changed, 80 insertions, 54 deletions
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index e6a69b82..965c19f2 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -1,34 +1,6 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2015 6WIND S.A. + * Copyright 2015 Mellanox. */ #ifndef RTE_PMD_MLX5_H_ @@ -53,7 +25,7 @@ #include <rte_pci.h> #include <rte_ether.h> -#include <rte_ethdev.h> +#include <rte_ethdev_driver.h> #include <rte_spinlock.h> #include <rte_interrupts.h> #include <rte_errno.h> @@ -90,6 +62,57 @@ struct mlx5_xstats_ctrl { /* 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_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 sriov:1; /* This is a VF or PF with VF devices. */ + unsigned int mps:2; /* Multi-packet send supported mode. */ + unsigned int tunnel_en:1; /* Whether tunnel is supported. */ + 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 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. */ +}; + struct priv { struct rte_eth_dev *dev; /* Ethernet device of master process. */ struct ibv_context *ctx; /* Verbs context. */ @@ -102,33 +125,13 @@ struct priv { /* Device properties. */ uint16_t mtu; /* Configured MTU. */ uint8_t port; /* Physical port number. */ - 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 sriov:1; /* This is a VF or PF with VF devices. */ - unsigned int mps:2; /* Multi-packet send mode (0: disabled). */ - unsigned int mpw_hdr_dseg:1; /* Enable DSEGs in the title WQEBB. */ - unsigned int cqe_comp:1; /* Whether CQE compression is enabled. */ unsigned int pending_alarm:1; /* An alarm is pending. */ - unsigned int tso:1; /* Whether TSO is supported. */ - unsigned int tunnel_en:1; unsigned int isolated:1; /* Whether isolated mode is enabled. */ - unsigned int tx_vec_en:1; /* Whether Tx vector is enabled. */ - unsigned int rx_vec_en:1; /* Whether Rx vector is enabled. */ - unsigned int counter_set_supported:1; /* Counter set is supported. */ - /* Whether Tx offloads for tunneled packets are supported. */ - unsigned int max_tso_payload_sz; /* Maximum TCP payload for TSO. */ - unsigned int txq_inline; /* Maximum packet size for inlining. */ - unsigned int txqs_inline; /* Queue number threshold for inlining. */ - unsigned int inline_max_packet_sz; /* Max packet size for inlining. */ /* 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. */ - unsigned int ind_table_max_size; /* Maximum indirection table size. */ struct rte_eth_rss_conf rss_conf; /* RSS configuration. */ struct rte_intr_handle intr_handle; /* Interrupt handler. */ unsigned int (*reta_idx)[]; /* RETA index table. */ @@ -148,7 +151,11 @@ struct priv { struct mlx5_xstats_ctrl xstats_ctrl; /* Extended stats control. */ rte_spinlock_t lock; /* Lock for control functions. */ 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. */ }; /** @@ -165,6 +172,22 @@ priv_lock(struct priv *priv) } /** + * Try to lock private structure to protect it from concurrent access in the + * control path. + * + * @param priv + * Pointer to private structure. + * + * @return + * 1 if the lock is successfully taken; 0 otherwise. + */ +static inline int +priv_trylock(struct priv *priv) +{ + return rte_spinlock_trylock(&priv->lock); +} + +/** * Unlock private structure. * * @param priv @@ -194,6 +217,8 @@ 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 priv_link_update(struct priv *, int); +int priv_force_link_status_change(struct priv *, int); 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 *); @@ -206,8 +231,9 @@ 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); -void priv_dev_select_tx_function(struct priv *priv, struct rte_eth_dev *dev); -void priv_dev_select_rx_function(struct priv *priv, struct rte_eth_dev *dev); +int mlx5_is_removed(struct rte_eth_dev *dev); +eth_tx_burst_t priv_select_tx_function(struct priv *, struct rte_eth_dev *); +eth_rx_burst_t priv_select_rx_function(struct priv *, struct rte_eth_dev *); /* mlx5_mac.c */ |