Merge branch 'mlx5-misc-fixes-2024-12-03'

Tariq Toukan says:

====================
mlx5 misc fixes 2024-12-03

This patchset provides misc bug fixes from the team to the mlx5 core and
Eth drivers.
====================

Link: https://patch.msgid.link/20241203204920.232744-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

5 files changed, 34 insertions, 19 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c
index 878cbdbf5ec8..e7e01f3298ef 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c
@@ -5,6 +5,7 @@
 #include <net/nexthop.h>
 #include <net/ip_tunnels.h>
 #include "tc_tun_encap.h"
+#include "fs_core.h"
 #include "en_tc.h"
 #include "tc_tun.h"
 #include "rep/tc.h"
@@ -24,10 +25,18 @@ static int mlx5e_set_int_port_tunnel(struct mlx5e_priv *priv,
 
 	route_dev = dev_get_by_index(dev_net(e->out_dev), e->route_dev_ifindex);
 
-	if (!route_dev || !netif_is_ovs_master(route_dev) ||
-	    attr->parse_attr->filter_dev == e->out_dev)
+	if (!route_dev || !netif_is_ovs_master(route_dev))
 		goto out;
 
+	if (priv->mdev->priv.steering->mode == MLX5_FLOW_STEERING_MODE_DMFS &&
+	    mlx5e_eswitch_uplink_rep(attr->parse_attr->filter_dev) &&
+	    (attr->esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) {
+		mlx5_core_warn(priv->mdev,
+			       "Matching on external port with encap + fwd to table actions is not allowed for firmware steering\n");
+		err = -EINVAL;
+		goto out;
+	}
+
 	err = mlx5e_set_fwd_to_int_port_actions(priv, attr, e->route_dev_ifindex,
 						MLX5E_TC_INT_PORT_EGRESS,
 						&attr->action, out_index);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index d0b80b520397..dd16d73000c3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2680,11 +2680,11 @@ void mlx5e_trigger_napi_sched(struct napi_struct *napi)
 
 static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix,
 			      struct mlx5e_params *params,
-			      struct mlx5e_channel_param *cparam,
 			      struct xsk_buff_pool *xsk_pool,
 			      struct mlx5e_channel **cp)
 {
 	struct net_device *netdev = priv->netdev;
+	struct mlx5e_channel_param *cparam;
 	struct mlx5_core_dev *mdev;
 	struct mlx5e_xsk_param xsk;
 	struct mlx5e_channel *c;
@@ -2706,8 +2706,15 @@ static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix,
 		return err;
 
 	c = kvzalloc_node(sizeof(*c), GFP_KERNEL, cpu_to_node(cpu));
-	if (!c)
-		return -ENOMEM;
+	cparam = kvzalloc(sizeof(*cparam), GFP_KERNEL);
+	if (!c || !cparam) {
+		err = -ENOMEM;
+		goto err_free;
+	}
+
+	err = mlx5e_build_channel_param(mdev, params, cparam);
+	if (err)
+		goto err_free;
 
 	c->priv     = priv;
 	c->mdev     = mdev;
@@ -2741,6 +2748,7 @@ static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix,
 
 	*cp = c;
 
+	kvfree(cparam);
 	return 0;
 
 err_close_queues:
@@ -2749,6 +2757,8 @@ err_close_queues:
 err_napi_del:
 	netif_napi_del(&c->napi);
 
+err_free:
+	kvfree(cparam);
 	kvfree(c);
 
 	return err;
@@ -2807,20 +2817,14 @@ static void mlx5e_close_channel(struct mlx5e_channel *c)
 int mlx5e_open_channels(struct mlx5e_priv *priv,
 			struct mlx5e_channels *chs)
 {
-	struct mlx5e_channel_param *cparam;
 	int err = -ENOMEM;
 	int i;
 
 	chs->num = chs->params.num_channels;
 
 	chs->c = kcalloc(chs->num, sizeof(struct mlx5e_channel *), GFP_KERNEL);
-	cparam = kvzalloc(sizeof(struct mlx5e_channel_param), GFP_KERNEL);
-	if (!chs->c || !cparam)
-		goto err_free;
-
-	err = mlx5e_build_channel_param(priv->mdev, &chs->params, cparam);
-	if (err)
-		goto err_free;
+	if (!chs->c)
+		goto err_out;
 
 	for (i = 0; i < chs->num; i++) {
 		struct xsk_buff_pool *xsk_pool = NULL;
@@ -2828,7 +2832,7 @@ int mlx5e_open_channels(struct mlx5e_priv *priv,
 		if (chs->params.xdp_prog)
 			xsk_pool = mlx5e_xsk_get_pool(&chs->params, chs->params.xsk, i);
 
-		err = mlx5e_open_channel(priv, i, &chs->params, cparam, xsk_pool, &chs->c[i]);
+		err = mlx5e_open_channel(priv, i, &chs->params, xsk_pool, &chs->c[i]);
 		if (err)
 			goto err_close_channels;
 	}
@@ -2846,7 +2850,6 @@ int mlx5e_open_channels(struct mlx5e_priv *priv,
 	}
 
 	mlx5e_health_channels_update(priv);
-	kvfree(cparam);
 	return 0;
 
 err_close_ptp:
@@ -2857,9 +2860,8 @@ err_close_channels:
 	for (i--; i >= 0; i--)
 		mlx5e_close_channel(chs->c[i]);
 
-err_free:
 	kfree(chs->c);
-	kvfree(cparam);
+err_out:
 	chs->num = 0;
 	return err;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index d6ff2dc4c19e..d5b42b3a19fd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2335,9 +2335,10 @@ out_free:
 static void esw_mode_change(struct mlx5_eswitch *esw, u16 mode)
 {
 	mlx5_devcom_comp_lock(esw->dev->priv.hca_devcom_comp);
-
-	if (esw->dev->priv.flags & MLX5_PRIV_FLAGS_DISABLE_IB_ADEV) {
+	if (esw->dev->priv.flags & MLX5_PRIV_FLAGS_DISABLE_IB_ADEV ||
+	    mlx5_core_mp_enabled(esw->dev)) {
 		esw->mode = mode;
+		mlx5_rescan_drivers_locked(esw->dev);
 		mlx5_devcom_comp_unlock(esw->dev->priv.hca_devcom_comp);
 		return;
 	}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/bwc_complex.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/bwc_complex.c
index c00010ca86bd..9fb059a6511f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/bwc_complex.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/bwc_complex.c
@@ -39,6 +39,8 @@ bool mlx5hws_bwc_match_params_is_complex(struct mlx5hws_context *ctx,
 		} else {
 			mlx5hws_err(ctx, "Failed to calculate matcher definer layout\n");
 		}
+	} else {
+		kfree(mt->fc);
 	}
 
 	mlx5hws_match_template_destroy(mt);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c
index 424797b6d802..883b4ed30892 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c
@@ -990,6 +990,7 @@ static int hws_bwc_send_queues_init(struct mlx5hws_context *ctx)
 	for (i = 0; i < bwc_queues; i++) {
 		mutex_init(&ctx->bwc_send_queue_locks[i]);
 		lockdep_register_key(ctx->bwc_lock_class_keys + i);
+		lockdep_set_class(ctx->bwc_send_queue_locks + i, ctx->bwc_lock_class_keys + i);
 	}
 
 	return 0;