Ethdev Tx offloads API has changed since:
commit cba7f53b717d ("ethdev: introduce Tx queue offloads API")
This commit support the new Tx offloads API.
Signed-off-by: Shahaf Shuler <shah...@mellanox.com>
---
drivers/net/mlx4/mlx4.c | 9 +++++
drivers/net/mlx4/mlx4_ethdev.c | 7 +---
drivers/net/mlx4/mlx4_rxtx.h | 1 +
drivers/net/mlx4/mlx4_txq.c | 66 +++++++++++++++++++++++++++++++++++--
4 files changed, 75 insertions(+), 8 deletions(-)
diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index f9e4f9d73..38c545b1b 100644
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -99,8 +99,17 @@ mlx4_dev_configure(struct rte_eth_dev *dev)
{
struct priv *priv = dev->data->dev_private;
struct rte_flow_error error;
+ uint64_t supp_tx_offloads = mlx4_priv_get_tx_port_offloads(priv);
+ uint64_t tx_offloads = dev->data->dev_conf.txmode.offloads;
int ret;
+ if ((tx_offloads & supp_tx_offloads) != tx_offloads) {
+ rte_errno = ENOTSUP;
+ ERROR("Some Tx offloads are not supported "
+ "requested 0x%lx supported 0x%lx\n",
+ tx_offloads, supp_tx_offloads);
+ return -rte_errno;
+ }
/* Prepare internal flow rules. */
ret = mlx4_flow_sync(priv, &error);
if (ret) {
diff --git a/drivers/net/mlx4/mlx4_ethdev.c b/drivers/net/mlx4/mlx4_ethdev.c
index 2f69e7d4f..63e00b1da 100644
--- a/drivers/net/mlx4/mlx4_ethdev.c
+++ b/drivers/net/mlx4/mlx4_ethdev.c
@@ -767,17 +767,12 @@ mlx4_dev_infos_get(struct rte_eth_dev *dev, struct
rte_eth_dev_info *info)
info->max_tx_queues = max;
info->max_mac_addrs = RTE_DIM(priv->mac);
info->rx_offload_capa = 0;
- info->tx_offload_capa = 0;
+ info->tx_offload_capa = mlx4_priv_get_tx_port_offloads(priv);
if (priv->hw_csum) {
- info->tx_offload_capa |= (DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM);
info->rx_offload_capa |= (DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM);
}
- if (priv->hw_csum_l2tun)
- info->tx_offload_capa |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
if (mlx4_get_ifname(priv, &ifname) == 0)
info->if_index = if_nametoindex(ifname);
info->hash_key_size = MLX4_RSS_HASH_KEY_SIZE;
diff --git a/drivers/net/mlx4/mlx4_rxtx.h b/drivers/net/mlx4/mlx4_rxtx.h
index 463df2b0b..528600a18 100644
--- a/drivers/net/mlx4/mlx4_rxtx.h
+++ b/drivers/net/mlx4/mlx4_rxtx.h
@@ -181,6 +181,7 @@ int mlx4_tx_queue_setup(struct rte_eth_dev *dev, uint16_t
idx,
uint16_t desc, unsigned int socket,
const struct rte_eth_txconf *conf);
void mlx4_tx_queue_release(void *dpdk_txq);
+uint64_t mlx4_priv_get_tx_port_offloads(struct priv *priv);
/**
* Get memory region (MR) <-> memory pool (MP) association from txq->mp2mr[].
diff --git a/drivers/net/mlx4/mlx4_txq.c b/drivers/net/mlx4/mlx4_txq.c
index 7882a4d0b..91befb16b 100644
--- a/drivers/net/mlx4/mlx4_txq.c
+++ b/drivers/net/mlx4/mlx4_txq.c
@@ -184,6 +184,56 @@ mlx4_txq_fill_dv_obj_info(struct txq *txq, struct
mlx4dv_obj *mlxdv)
}
/**
+ * Returns the per-port supported offloads.
+ *
+ * @param priv
+ * Pointer to private structure.
+ *
+ * @return
+ * Supported Tx offloads.
+ */
+uint64_t
+mlx4_priv_get_tx_port_offloads(struct priv *priv)
+{
+ uint64_t offloads = DEV_TX_OFFLOAD_MULTI_SEGS;
+
+ if (priv->hw_csum) {
+ offloads |= (DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM);
+ }
+ if (priv->hw_csum_l2tun)
+ offloads |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
+
+ return offloads;
+}
+
+/**
+ * Checks if the per-queue offload configuration is valid.
+ *
+ * @param priv
+ * Pointer to private structure.
+ * @param offloads
+ * Per-queue offloads configuration.
+ *
+ * @return
+ * 1 if the configuration is valid, 0 otherwise.
+ */
+static int
+priv_is_tx_queue_offloads_allowed(struct priv *priv, uint64_t offloads)
+{
+ uint64_t port_offloads = priv->dev->data->dev_conf.txmode.offloads;
+ uint64_t port_supp_offloads = mlx4_priv_get_tx_port_offloads(priv);
+
+ /* There are no Tx offloads which are per queue. */
+ if ((offloads & port_supp_offloads) != offloads)
+ return 0;
+ if ((port_offloads ^ offloads) & port_supp_offloads)
+ return 0;
+ return 1;
+}
+
+/**
* DPDK callback to configure a Tx queue.
*
* @param dev
@@ -234,6 +284,15 @@ mlx4_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx,
uint16_t desc,
(void)conf; /* Thresholds configuration (ignored). */
DEBUG("%p: configuring queue %u for %u descriptors",
(void *)dev, idx, desc);
+ if (!priv_is_tx_queue_offloads_allowed(priv, conf->offloads)) {
+ rte_errno = ENOTSUP;
+ ERROR("%p: Tx queue offloads 0x%lx don't match port "
+ "offloads 0x%lx or supported offloads 0x%lx",
+ (void *)dev, conf->offloads,
+ dev->data->dev_conf.txmode.offloads,
+ mlx4_priv_get_tx_port_offloads(priv));
+ return -rte_errno;
+ }
if (idx >= dev->data->nb_tx_queues) {
rte_errno = EOVERFLOW;
ERROR("%p: queue index out of range (%u >= %u)",
@@ -278,8 +337,11 @@ mlx4_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx,
uint16_t desc,
RTE_MIN(MLX4_PMD_TX_PER_COMP_REQ, desc / 4),
.elts_comp_cd_init =
RTE_MIN(MLX4_PMD_TX_PER_COMP_REQ, desc / 4),
- .csum = priv->hw_csum,
- .csum_l2tun = priv->hw_csum_l2tun,
+ .csum = !!(conf->offloads & (DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM)),
+ .csum_l2tun = !!(conf->offloads &
+ DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM),
/* Enable Tx loopback for VF devices. */
.lb = !!priv->vf,
.bounce_buf = bounce_buf,
--
2.12.0
