1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2015 6WIND S.A.
3 * Copyright 2015 Mellanox Technologies, Ltd
12 * Not needed by this file; included to work around the lack of off_t
13 * definition for mlx5dv.h with unpatched rdma-core versions.
15 #include <sys/types.h>
17 /* Verbs headers do not support -pedantic. */
19 #pragma GCC diagnostic ignored "-Wpedantic"
21 #include <infiniband/mlx5dv.h>
22 #include <infiniband/verbs.h>
24 #pragma GCC diagnostic error "-Wpedantic"
27 #include <rte_ethdev_driver.h>
28 #include <rte_common.h>
30 #include <mlx5_glue.h>
31 #include <mlx5_devx_cmds.h>
34 #include "mlx5_autoconf.h"
35 #include "mlx5_rxtx.h"
36 #include "mlx5_utils.h"
39 * DPDK callback to configure a VLAN filter.
42 * Pointer to Ethernet device structure.
49 * 0 on success, a negative errno value otherwise and rte_errno is set.
52 mlx5_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
54 struct mlx5_priv *priv = dev->data->dev_private;
57 DRV_LOG(DEBUG, "port %u %s VLAN filter ID %" PRIu16,
58 dev->data->port_id, (on ? "enable" : "disable"), vlan_id);
59 assert(priv->vlan_filter_n <= RTE_DIM(priv->vlan_filter));
60 for (i = 0; (i != priv->vlan_filter_n); ++i)
61 if (priv->vlan_filter[i] == vlan_id)
63 /* Check if there's room for another VLAN filter. */
64 if (i == RTE_DIM(priv->vlan_filter)) {
68 if (i < priv->vlan_filter_n) {
69 assert(priv->vlan_filter_n != 0);
70 /* Enabling an existing VLAN filter has no effect. */
73 /* Remove VLAN filter from list. */
74 --priv->vlan_filter_n;
75 memmove(&priv->vlan_filter[i],
76 &priv->vlan_filter[i + 1],
77 sizeof(priv->vlan_filter[i]) *
78 (priv->vlan_filter_n - i));
79 priv->vlan_filter[priv->vlan_filter_n] = 0;
81 assert(i == priv->vlan_filter_n);
82 /* Disabling an unknown VLAN filter has no effect. */
85 /* Add new VLAN filter. */
86 priv->vlan_filter[priv->vlan_filter_n] = vlan_id;
87 ++priv->vlan_filter_n;
90 if (dev->data->dev_started)
91 return mlx5_traffic_restart(dev);
96 * Callback to set/reset VLAN stripping for a specific queue.
99 * Pointer to Ethernet device structure.
103 * Enable/disable VLAN stripping.
106 mlx5_vlan_strip_queue_set(struct rte_eth_dev *dev, uint16_t queue, int on)
108 struct mlx5_priv *priv = dev->data->dev_private;
109 struct mlx5_rxq_data *rxq = (*priv->rxqs)[queue];
110 struct mlx5_rxq_ctrl *rxq_ctrl =
111 container_of(rxq, struct mlx5_rxq_ctrl, rxq);
112 struct ibv_wq_attr mod;
113 uint16_t vlan_offloads =
114 (on ? IBV_WQ_FLAGS_CVLAN_STRIPPING : 0) |
118 /* Validate hw support */
119 if (!priv->config.hw_vlan_strip) {
120 DRV_LOG(ERR, "port %u VLAN stripping is not supported",
124 /* Validate queue number */
125 if (queue >= priv->rxqs_n) {
126 DRV_LOG(ERR, "port %u VLAN stripping, invalid queue number %d",
127 dev->data->port_id, queue);
130 DRV_LOG(DEBUG, "port %u set VLAN offloads 0x%x for port %uqueue %d",
131 dev->data->port_id, vlan_offloads, rxq->port_id, queue);
132 if (!rxq_ctrl->obj) {
133 /* Update related bits in RX queue. */
134 rxq->vlan_strip = !!on;
137 if (rxq_ctrl->obj->type == MLX5_RXQ_OBJ_TYPE_IBV) {
138 mod = (struct ibv_wq_attr){
139 .attr_mask = IBV_WQ_ATTR_FLAGS,
140 .flags_mask = IBV_WQ_FLAGS_CVLAN_STRIPPING,
141 .flags = vlan_offloads,
143 ret = mlx5_glue->modify_wq(rxq_ctrl->obj->wq, &mod);
144 } else if (rxq_ctrl->obj->type == MLX5_RXQ_OBJ_TYPE_DEVX_RQ) {
145 struct mlx5_devx_modify_rq_attr rq_attr;
147 memset(&rq_attr, 0, sizeof(rq_attr));
148 rq_attr.rq_state = MLX5_RQC_STATE_RDY;
149 rq_attr.state = MLX5_RQC_STATE_RDY;
150 rq_attr.vsd = (on ? 0 : 1);
151 rq_attr.modify_bitmask = MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD;
152 ret = mlx5_devx_cmd_modify_rq(rxq_ctrl->obj->rq, &rq_attr);
155 DRV_LOG(ERR, "port %u failed to modify object %d stripping "
156 "mode: %s", dev->data->port_id,
157 rxq_ctrl->obj->type, strerror(rte_errno));
160 /* Update related bits in RX queue. */
161 rxq->vlan_strip = !!on;
165 * Callback to set/reset VLAN offloads for a port.
168 * Pointer to Ethernet device structure.
170 * VLAN offload bit mask.
173 * 0 on success, a negative errno value otherwise and rte_errno is set.
176 mlx5_vlan_offload_set(struct rte_eth_dev *dev, int mask)
178 struct mlx5_priv *priv = dev->data->dev_private;
181 if (mask & ETH_VLAN_STRIP_MASK) {
182 int hw_vlan_strip = !!(dev->data->dev_conf.rxmode.offloads &
183 DEV_RX_OFFLOAD_VLAN_STRIP);
185 if (!priv->config.hw_vlan_strip) {
186 DRV_LOG(ERR, "port %u VLAN stripping is not supported",
190 /* Run on every RX queue and set/reset VLAN stripping. */
191 for (i = 0; (i != priv->rxqs_n); i++)
192 mlx5_vlan_strip_queue_set(dev, i, hw_vlan_strip);