CBL-Mariner/SPECS/kernel-hci/0024-net-mlx5-Bridge-extrac...

112 строки
3.3 KiB
Diff

From b36ee43032bcb38736622ac69a777744a377f971 Mon Sep 17 00:00:00 2001
From: Vlad Buslov <vladbu@nvidia.com>
Date: Fri, 3 Jun 2022 22:32:23 +0300
Subject: [PATCH 3/9] net/mlx5: Bridge, extract VLAN push/pop actions creation
Following patches in series need to re-create VLAN actions when user
changes VLAN protocol. Extract the code that creates VLAN push/pop actions
into dedicated function in order to be reused in next patch.
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Change-Id: I05c14cc505fa732d7a27091ce857e18a4820c120
---
.../ethernet/mellanox/mlx5/core/esw/bridge.c | 52 +++++++++++++------
1 file changed, 36 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c
index 4e3197c0e92b..2b6e258279f0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c
@@ -1025,36 +1025,58 @@ mlx5_esw_bridge_vlan_push_mark_cleanup(struct mlx5_esw_bridge_vlan *vlan, struct
vlan->pkt_mod_hdr_push_mark = NULL;
}
-static struct mlx5_esw_bridge_vlan *
-mlx5_esw_bridge_vlan_create(u16 vid, u16 flags, struct mlx5_esw_bridge_port *port,
- struct mlx5_eswitch *esw)
+static int
+mlx5_esw_bridge_vlan_push_pop_create(u16 flags, struct mlx5_esw_bridge_vlan *vlan,
+ struct mlx5_eswitch *esw)
{
- struct mlx5_esw_bridge_vlan *vlan;
int err;
- vlan = kvzalloc(sizeof(*vlan), GFP_KERNEL);
- if (!vlan)
- return ERR_PTR(-ENOMEM);
-
- vlan->vid = vid;
- vlan->flags = flags;
- INIT_LIST_HEAD(&vlan->fdb_list);
-
if (flags & BRIDGE_VLAN_INFO_PVID) {
err = mlx5_esw_bridge_vlan_push_create(vlan, esw);
if (err)
- goto err_vlan_push;
+ return err;
err = mlx5_esw_bridge_vlan_push_mark_create(vlan, esw);
if (err)
goto err_vlan_push_mark;
}
+
if (flags & BRIDGE_VLAN_INFO_UNTAGGED) {
err = mlx5_esw_bridge_vlan_pop_create(vlan, esw);
if (err)
goto err_vlan_pop;
}
+ return 0;
+
+err_vlan_pop:
+ if (vlan->pkt_mod_hdr_push_mark)
+ mlx5_esw_bridge_vlan_push_mark_cleanup(vlan, esw);
+err_vlan_push_mark:
+ if (vlan->pkt_reformat_push)
+ mlx5_esw_bridge_vlan_push_cleanup(vlan, esw);
+ return err;
+}
+
+static struct mlx5_esw_bridge_vlan *
+mlx5_esw_bridge_vlan_create(u16 vid, u16 flags, struct mlx5_esw_bridge_port *port,
+ struct mlx5_eswitch *esw)
+{
+ struct mlx5_esw_bridge_vlan *vlan;
+ int err;
+
+ vlan = kvzalloc(sizeof(*vlan), GFP_KERNEL);
+ if (!vlan)
+ return ERR_PTR(-ENOMEM);
+
+ vlan->vid = vid;
+ vlan->flags = flags;
+ INIT_LIST_HEAD(&vlan->fdb_list);
+
+ err = mlx5_esw_bridge_vlan_push_pop_create(flags, vlan, esw);
+ if (err)
+ goto err_vlan_push_pop;
+
err = xa_insert(&port->vlans, vid, vlan, GFP_KERNEL);
if (err)
goto err_xa_insert;
@@ -1065,13 +1087,11 @@ mlx5_esw_bridge_vlan_create(u16 vid, u16 flags, struct mlx5_esw_bridge_port *por
err_xa_insert:
if (vlan->pkt_reformat_pop)
mlx5_esw_bridge_vlan_pop_cleanup(vlan, esw);
-err_vlan_pop:
if (vlan->pkt_mod_hdr_push_mark)
mlx5_esw_bridge_vlan_push_mark_cleanup(vlan, esw);
-err_vlan_push_mark:
if (vlan->pkt_reformat_push)
mlx5_esw_bridge_vlan_push_cleanup(vlan, esw);
-err_vlan_push:
+err_vlan_push_pop:
kvfree(vlan);
return ERR_PTR(err);
}
--
2.21.3