[RFC,3/3] net/mlx5: add new devarg dv_lacp_by_user
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Commit Message
The new devarg will control the steering of the lacp traffic.
when setting dv_lacp_by_user = 0 the lacp traffic will be
steered to kernel and managed there.
When setting dv_lacp_by_user = 1 the lacp traffic will
not be steered and the user will need to manage it.
Signed-off-by: Shiri Kuzin <shirik@mellanox.com>
---
drivers/net/mlx5/mlx5.c | 6 ++++++
drivers/net/mlx5/mlx5.h | 2 ++
drivers/net/mlx5/mlx5_trigger.c | 9 +++++++++
3 files changed, 17 insertions(+)
@@ -140,6 +140,9 @@
/* Enable extensive flow metadata support. */
#define MLX5_DV_XMETA_EN "dv_xmeta_en"
+/* Device parameter to let the user manage the lacp traffic of bonded device */
+#define MLX5_DV_LACP_BY_USER "dv_lacp_by_user"
+
/* Activate Netlink support in VF mode. */
#define MLX5_VF_NL_EN "vf_nl_en"
@@ -1852,6 +1855,8 @@ struct mlx5_flow_id_pool *
return -rte_errno;
}
config->dv_xmeta_en = tmp;
+ } else if (strcmp(MLX5_DV_LACP_BY_USER, key) == 0) {
+ config->dv_lacp_by_user = !!tmp;
} else if (strcmp(MLX5_MR_EXT_MEMSEG_EN, key) == 0) {
config->mr_ext_memseg_en = !!tmp;
} else if (strcmp(MLX5_MAX_DUMP_FILES_NUM, key) == 0) {
@@ -1910,6 +1915,7 @@ struct mlx5_flow_id_pool *
MLX5_DV_ESW_EN,
MLX5_DV_FLOW_EN,
MLX5_DV_XMETA_EN,
+ MLX5_DV_LACP_BY_USER,
MLX5_MR_EXT_MEMSEG_EN,
MLX5_REPRESENTOR,
MLX5_MAX_DUMP_FILES_NUM,
@@ -157,6 +157,8 @@ struct mlx5_dev_config {
unsigned int dv_esw_en:1; /* Enable E-Switch DV flow. */
unsigned int dv_flow_en:1; /* Enable DV flow. */
unsigned int dv_xmeta_en:2; /* Enable extensive flow metadata. */
+ unsigned int dv_lacp_by_user:1;
+ /* Enable user to manage LACP traffic. */
unsigned int swp:1; /* Tx generic tunnel checksum and TSO offload. */
unsigned int devx:1; /* Whether devx interface is available or not. */
unsigned int dest_tir:1; /* Whether advanced DR API is available. */
@@ -434,6 +434,10 @@
const struct rte_ether_addr cmp = {
.addr_bytes = "\x00\x00\x00\x00\x00\x00",
};
+ struct rte_flow_item_eth lacp_spec = {
+ .type = 0x8809,
+ .dst.addr_bytes = "\x01\x80\xc2\x00\x00\x02",
+ };
unsigned int i;
unsigned int j;
int ret;
@@ -464,6 +468,11 @@
" configured - only Eswitch group 0 flows are"
" supported.", dev->data->port_id);
}
+ if (!priv->config.dv_lacp_by_user && priv->pf_bond) {
+ ret = mlx5_flow_default_miss(dev,&lacp_spec);
+ if (ret)
+ goto error;
+ }
if (priv->isolated)
return 0;
if (dev->data->promiscuous) {