Commit 7607dd35 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller

mlxsw: spectrum: Trap IPv4 packets with Router Alert option

In case local sockets have the IP_ROUTER_ALERT socket option set, then
they expect to get packets with the Router Alert option.

Trap such packets, so that the kernel could inspect them and potentially
send them to interested sockets.
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0fcc4847
...@@ -3342,6 +3342,7 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = { ...@@ -3342,6 +3342,7 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = {
MLXSW_SP_RXL_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false), MLXSW_SP_RXL_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false),
MLXSW_SP_RXL_MARK(HOST_MISS_IPV4, TRAP_TO_CPU, ARP_MISS, false), MLXSW_SP_RXL_MARK(HOST_MISS_IPV4, TRAP_TO_CPU, ARP_MISS, false),
MLXSW_SP_RXL_MARK(BGP_IPV4, TRAP_TO_CPU, BGP_IPV4, false), MLXSW_SP_RXL_MARK(BGP_IPV4, TRAP_TO_CPU, BGP_IPV4, false),
MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, TRAP_TO_CPU, ROUTER_EXP, false),
/* PKT Sample trap */ /* PKT Sample trap */
MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU, MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU,
false, SP_IP2ME, DISCARD), false, SP_IP2ME, DISCARD),
......
...@@ -66,6 +66,7 @@ enum { ...@@ -66,6 +66,7 @@ enum {
MLXSW_TRAP_ID_RTR_INGRESS0 = 0x70, MLXSW_TRAP_ID_RTR_INGRESS0 = 0x70,
MLXSW_TRAP_ID_BGP_IPV4 = 0x88, MLXSW_TRAP_ID_BGP_IPV4 = 0x88,
MLXSW_TRAP_ID_HOST_MISS_IPV4 = 0x90, MLXSW_TRAP_ID_HOST_MISS_IPV4 = 0x90,
MLXSW_TRAP_ID_ROUTER_ALERT_IPV4 = 0xD6,
MLXSW_TRAP_ID_ACL0 = 0x1C0, MLXSW_TRAP_ID_ACL0 = 0x1C0,
MLXSW_TRAP_ID_MAX = 0x1FF MLXSW_TRAP_ID_MAX = 0x1FF
......
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