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Message-Id: <1471271873-4389-6-git-send-email-jiri@resnulli.us> Date: Mon, 15 Aug 2016 16:37:49 +0200 From: Jiri Pirko <jiri@...nulli.us> To: netdev@...r.kernel.org Cc: davem@...emloft.net, idosch@...lanox.com, eladr@...lanox.com, yotamg@...lanox.com, nogahf@...lanox.com, ogerlitz@...lanox.com Subject: [patch net 5/9] mlxsw: spectrum: Add missing packet traps From: Elad Raz <eladr@...lanox.com> Add the following traps: 1) MTU Error: Trap packets whose size is bigger than the egress RIF's MTU. If DF bit isn't set, traffic will continue to be routed in slow path. 2) TTL Error: Trap packets whose TTL expired. This allows traceroute to work properly. 3) OSPF packets. Fixes: 7b27ce7bb9cd ("mlxsw: spectrum: Add traps needed for router implementation") Signed-off-by: Elad Raz <eladr@...lanox.com> Signed-off-by: Ido Schimmel <idosch@...lanox.com> Signed-off-by: Jiri Pirko <jiri@...lanox.com> --- drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 15 +++++++++++++++ drivers/net/ethernet/mellanox/mlxsw/trap.h | 3 +++ 2 files changed, 18 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 12681db..6b69c8a 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -2651,6 +2651,21 @@ static const struct mlxsw_rx_listener mlxsw_sp_rx_listener[] = { { .func = mlxsw_sp_rx_listener_func, .local_port = MLXSW_PORT_DONT_CARE, + .trap_id = MLXSW_TRAP_ID_MTUERROR, + }, + { + .func = mlxsw_sp_rx_listener_func, + .local_port = MLXSW_PORT_DONT_CARE, + .trap_id = MLXSW_TRAP_ID_TTLERROR, + }, + { + .func = mlxsw_sp_rx_listener_func, + .local_port = MLXSW_PORT_DONT_CARE, + .trap_id = MLXSW_TRAP_ID_OSPF, + }, + { + .func = mlxsw_sp_rx_listener_func, + .local_port = MLXSW_PORT_DONT_CARE, .trap_id = MLXSW_TRAP_ID_IP2ME, }, { diff --git a/drivers/net/ethernet/mellanox/mlxsw/trap.h b/drivers/net/ethernet/mellanox/mlxsw/trap.h index 470d769..9508e0a 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/trap.h +++ b/drivers/net/ethernet/mellanox/mlxsw/trap.h @@ -56,6 +56,9 @@ enum { MLXSW_TRAP_ID_IGMP_V3_REPORT = 0x34, MLXSW_TRAP_ID_ARPBC = 0x50, MLXSW_TRAP_ID_ARPUC = 0x51, + MLXSW_TRAP_ID_MTUERROR = 0x52, + MLXSW_TRAP_ID_TTLERROR = 0x53, + MLXSW_TRAP_ID_OSPF = 0x55, MLXSW_TRAP_ID_IP2ME = 0x5F, MLXSW_TRAP_ID_RTR_INGRESS0 = 0x70, MLXSW_TRAP_ID_HOST_MISS_IPV4 = 0x90, -- 2.5.5
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