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mlxsw: spectrum: Allow different traps to have different actions 

Up until now we only trapped packets to CPU, but we are going to allow
some packets to be mirrored (trap & forward) to CPU.

Extend the Rx listener with 'action' member.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2016-08-25 18:42:39 +02:00 committed by David S. Miller
parent 93393b339d
commit 63a811417d
2 changed files with 31 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/mellanox/mlxsw/core.h
View File

@ -87,6 +87,7 @@ struct mlxsw_rx_listener {
void (*func)(struct sk_buff *skb, u8 local_port, void *priv); void (*func)(struct sk_buff *skb, u8 local_port, void *priv);
u8 local_port; u8 local_port;
u16 trap_id; u16 trap_id;
enum mlxsw_reg_hpkt_action action;
}; };
struct mlxsw_event_listener { struct mlxsw_event_listener {

59
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -2570,39 +2570,40 @@ static void mlxsw_sp_rx_listener_func(struct sk_buff *skb, u8 local_port,
netif_receive_skb(skb); netif_receive_skb(skb);
} }
#define MLXSW_SP_RXL(_func, _trap_id) \ #define MLXSW_SP_RXL(_func, _trap_id, _action) \
{ \ { \
.func = _func, \ .func = _func, \
.local_port = MLXSW_PORT_DONT_CARE, \ .local_port = MLXSW_PORT_DONT_CARE, \
.trap_id = MLXSW_TRAP_ID_##_trap_id, \ .trap_id = MLXSW_TRAP_ID_##_trap_id, \
.action = MLXSW_REG_HPKT_ACTION_##_action, \
} }
static const struct mlxsw_rx_listener mlxsw_sp_rx_listener[] = { static const struct mlxsw_rx_listener mlxsw_sp_rx_listener[] = {
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, FDB_MC), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, FDB_MC, TRAP_TO_CPU),
/* Traps for specific L2 packet types, not trapped as FDB MC */ /* Traps for specific L2 packet types, not trapped as FDB MC */
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, STP), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, STP, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LACP), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LACP, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, EAPOL), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, EAPOL, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LLDP), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LLDP, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, MMRP), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, MMRP, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, MVRP), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, MVRP, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, RPVST), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, RPVST, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, DHCP), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, DHCP, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_QUERY), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_QUERY, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V1_REPORT), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V1_REPORT, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V2_REPORT), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V2_REPORT, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V2_LEAVE), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V2_LEAVE, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V3_REPORT), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V3_REPORT, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, ARPBC), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, ARPBC, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, ARPUC), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, ARPUC, TRAP_TO_CPU),
/* L3 traps */ /* L3 traps */
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, MTUERROR), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, MTUERROR, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, TTLERROR), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, TTLERROR, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LBERROR), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LBERROR, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, OSPF), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, OSPF, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IP2ME), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IP2ME, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, RTR_INGRESS0), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, RTR_INGRESS0, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, HOST_MISS_IPV4), MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, HOST_MISS_IPV4, TRAP_TO_CPU),
}; };
static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp) static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
@ -2629,7 +2630,7 @@ static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
if (err) if (err)
goto err_rx_listener_register; goto err_rx_listener_register;
mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, mlxsw_reg_hpkt_pack(hpkt_pl, mlxsw_sp_rx_listener[i].action,
mlxsw_sp_rx_listener[i].trap_id); mlxsw_sp_rx_listener[i].trap_id);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl);
if (err) if (err)