-/*-
- * 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_
#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>
/* 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. */
/* 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. */
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. */
};
/**
rte_spinlock_lock(&priv->lock);
}
+/**
+ * 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.
*
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 *);
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 */
Code Review / deb_dpdk.git / blobdiff