From: Gal Pressman <gal@nvidia.com>
Date: Wed, 2 Mar 2022 10:02:59 +0200
Subject: net/mlx5e: Add XDP SQs to uplink representors steering tables
Patch-mainline: v5.19-rc1
Git-commit: 65810a2d2ab3c2a640e14a3e249c87e50675e6ce
References: jsc#PED-1549
This patch adds the XDP SQs to the uplink representors steering tables
in swichdev mode and enables XDP usage on them.
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -399,7 +399,9 @@ out_err:
int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv)
{
+ int sqs_per_channel = mlx5e_get_dcb_num_tc(&priv->channels.params);
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ bool is_uplink_rep = mlx5e_is_uplink_rep(priv);
struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5_eswitch_rep *rep = rpriv->rep;
int n, tc, nch, num_sqs = 0;
@@ -411,9 +413,13 @@ int mlx5e_add_sqs_fwd_rules(struct mlx5e
ptp_sq = !!(priv->channels.ptp &&
MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_TX_PORT_TS));
nch = priv->channels.num + ptp_sq;
+ /* +2 for xdpsqs, they don't exist on the ptp channel but will not be
+ * counted for by num_sqs.
+ */
+ if (is_uplink_rep)
+ sqs_per_channel += 2;
- sqs = kvcalloc(nch * mlx5e_get_dcb_num_tc(&priv->channels.params), sizeof(*sqs),
- GFP_KERNEL);
+ sqs = kvcalloc(nch * sqs_per_channel, sizeof(*sqs), GFP_KERNEL);
if (!sqs)
goto out;
@@ -421,6 +427,13 @@ int mlx5e_add_sqs_fwd_rules(struct mlx5e
c = priv->channels.c[n];
for (tc = 0; tc < c->num_tc; tc++)
sqs[num_sqs++] = c->sq[tc].sqn;
+
+ if (is_uplink_rep) {
+ if (c->xdp)
+ sqs[num_sqs++] = c->rq_xdpsq.sqn;
+
+ sqs[num_sqs++] = c->xdpsq.sqn;
+ }
}
if (ptp_sq) {
struct mlx5e_ptp *ptp_ch = priv->channels.ptp;