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authorAmit Cohen <amcohen@nvidia.com>2021-03-17 12:35:25 +0200
committerDavid S. Miller <davem@davemloft.net>2021-03-17 12:26:28 -0700
commit114a465d890a4fa2e3c0a49001cd47d3e804bf54 (patch)
tree1eb5362dba0c2438fa9ec73445f506105f62990e /drivers
parentmlxsw: reg: Add Switch Port Egress VLAN EtherType Register (diff)
downloadlinux-dev-114a465d890a4fa2e3c0a49001cd47d3e804bf54.tar.xz
linux-dev-114a465d890a4fa2e3c0a49001cd47d3e804bf54.zip
mlxsw: spectrum: Add mlxsw_sp_port_egress_ethtype_set()
A subsequent patch will cause decapsulated packets to have their EtherType determined by the egress port. Add mlxsw_sp_port_egress_ethtype_set() which will be called when a port joins an 802.1ad bridge, so that it will set an 802.1ad EtherType on decapsulated packets transmitted through it, instead of the default 802.1q EtherType. Signed-off-by: Amit Cohen <amcohen@nvidia.com> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c16
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.h2
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 7e40d45b55fe..9aba4fe2c852 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -402,6 +402,22 @@ int mlxsw_sp_ethtype_to_sver_type(u16 ethtype, u8 *p_sver_type)
return 0;
}
+int mlxsw_sp_port_egress_ethtype_set(struct mlxsw_sp_port *mlxsw_sp_port,
+ u16 ethtype)
+{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+ char spevet_pl[MLXSW_REG_SPEVET_LEN];
+ u8 sver_type;
+ int err;
+
+ err = mlxsw_sp_ethtype_to_sver_type(ethtype, &sver_type);
+ if (err)
+ return err;
+
+ mlxsw_reg_spevet_pack(spevet_pl, mlxsw_sp_port->local_port, sver_type);
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spevet), spevet_pl);
+}
+
static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port,
u16 vid, u16 ethtype)
{
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index 63cc8fa3fa62..180ffa41bf46 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -609,6 +609,8 @@ int mlxsw_sp_port_vp_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable);
int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid,
bool learn_enable);
int mlxsw_sp_ethtype_to_sver_type(u16 ethtype, u8 *p_sver_type);
+int mlxsw_sp_port_egress_ethtype_set(struct mlxsw_sp_port *mlxsw_sp_port,
+ u16 ethtype);
int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid,
u16 ethtype);
struct mlxsw_sp_port_vlan *