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authorIdo Schimmel <idosch@mellanox.com>2018-12-18 15:59:22 +0000
committerDavid S. Miller <davem@davemloft.net>2018-12-18 09:17:38 -0800
commit5d5043917a28438df163c4e6e56e77ef6d981089 (patch)
tree88cf69a7a87330ba463aa6d97ca32a1b9b7298e0 /drivers/net
parentcf0b70e71b32137ccf9c1f3dd9fb30cbf89b4322 (diff)
downloadlinux-5d5043917a28438df163c4e6e56e77ef6d981089.tar.bz2
mlxsw: spectrum: Add trap for decapsulated ARP packets
After a packet was decapsulated it is classified to the relevant FID based on its VNI and undergoes L2 forwarding. Unlike regular (non-encapsulated) ARP packets, Spectrum does not trap decapsulated ARP packets during L2 forwarding and instead can only trap such packets in the underlay router during decapsulation. Add this missing packet trap, which is required for VXLAN routing when the MAC of the target host is not known. Fixes: b02597d513a9 ("mlxsw: spectrum: Add NVE packet traps") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/trap.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 75a2f1495455..f84b9c02fcc5 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -3526,6 +3526,7 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = {
MLXSW_SP_RXL_MR_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false),
/* NVE traps */
MLXSW_SP_RXL_MARK(NVE_ENCAP_ARP, TRAP_TO_CPU, ARP, false),
+ MLXSW_SP_RXL_NO_MARK(NVE_DECAP_ARP, TRAP_TO_CPU, ARP, false),
};
static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/trap.h b/drivers/net/ethernet/mellanox/mlxsw/trap.h
index 6f18f4d3322a..451216dd7f6b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/trap.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/trap.h
@@ -60,6 +60,7 @@ enum {
MLXSW_TRAP_ID_IPV6_MC_LINK_LOCAL_DEST = 0x91,
MLXSW_TRAP_ID_HOST_MISS_IPV6 = 0x92,
MLXSW_TRAP_ID_IPIP_DECAP_ERROR = 0xB1,
+ MLXSW_TRAP_ID_NVE_DECAP_ARP = 0xB8,
MLXSW_TRAP_ID_NVE_ENCAP_ARP = 0xBD,
MLXSW_TRAP_ID_ROUTER_ALERT_IPV4 = 0xD6,
MLXSW_TRAP_ID_ROUTER_ALERT_IPV6 = 0xD7,