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mlxsw: spectrum: Use generic listener struct for rx traps 

Replace the old rx listener struct definitions by the generic ones.
Use the new generic registering / unregistering functions for them.
Add some macros to organize the trap list.

Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nogah Frankel 2016-11-25 10:33:32 +01:00 committed by David S. Miller
parent b63da93de8
commit 14eeda99c4
1 changed files with 38 additions and 57 deletions
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95
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
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@ -2744,8 +2744,8 @@ static void mlxsw_sp_event_unregister(struct mlxsw_sp *mlxsw_sp,
mlxsw_core_event_listener_unregister(mlxsw_sp->core, el, mlxsw_sp);
}
static void mlxsw_sp_rx_listener_func(struct sk_buff *skb, u8 local_port,
void *priv)
static void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb,
u8 local_port, void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
@ -2773,44 +2773,43 @@ static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u8 local_port,
void *priv)
{
skb->offload_fwd_mark = 1;
return mlxsw_sp_rx_listener_func(skb, local_port, priv);
return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
}
#define MLXSW_SP_RXL(_func, _trap_id, _action) \
{ \
.func = _func, \
.local_port = MLXSW_PORT_DONT_CARE, \
.trap_id = MLXSW_TRAP_ID_##_trap_id, \
.action = MLXSW_REG_HPKT_ACTION_##_action, \
}
#define MLXSW_SP_RXL_NO_MARK(_trap_id, _action) \
MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action, \
DISCARD)
static const struct mlxsw_rx_listener mlxsw_sp_rx_listener[] = {
#define MLXSW_SP_RXL_MARK(_trap_id, _action) \
MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action, \
DISCARD)
static const struct mlxsw_listener mlxsw_sp_rx_listener[] = {
/* L2 traps */
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, STP, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LACP, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LLDP, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_mark_func, DHCP, MIRROR_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_mark_func, IGMP_QUERY, MIRROR_TO_CPU),
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, TRAP_TO_CPU),
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, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_mark_func, ARPBC, MIRROR_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_mark_func, ARPUC, MIRROR_TO_CPU),
MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(LLDP, TRAP_TO_CPU),
MLXSW_SP_RXL_MARK(DHCP, MIRROR_TO_CPU),
MLXSW_SP_RXL_MARK(IGMP_QUERY, MIRROR_TO_CPU),
MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, TRAP_TO_CPU),
MLXSW_SP_RXL_MARK(ARPBC, MIRROR_TO_CPU),
MLXSW_SP_RXL_MARK(ARPUC, MIRROR_TO_CPU),
/* L3 traps */
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, MTUERROR, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, TTLERROR, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LBERROR, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_mark_func, OSPF, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IP2ME, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, RTR_INGRESS0, TRAP_TO_CPU),
MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, HOST_MISS_IPV4, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(MTUERROR, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(TTLERROR, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(LBERROR, TRAP_TO_CPU),
MLXSW_SP_RXL_MARK(OSPF, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(IP2ME, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(RTR_INGRESS0, TRAP_TO_CPU),
MLXSW_SP_RXL_NO_MARK(HOST_MISS_IPV4, TRAP_TO_CPU),
};
static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
{
char htgt_pl[MLXSW_REG_HTGT_LEN];
char hpkt_pl[MLXSW_REG_HPKT_LEN];
int i;
int err;
@ -2825,50 +2824,32 @@ static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
return err;
for (i = 0; i < ARRAY_SIZE(mlxsw_sp_rx_listener); i++) {
err = mlxsw_core_rx_listener_register(mlxsw_sp->core,
&mlxsw_sp_rx_listener[i],
mlxsw_sp);
err = mlxsw_core_trap_register(mlxsw_sp->core,
&mlxsw_sp_rx_listener[i],
mlxsw_sp);
if (err)
goto err_rx_listener_register;
mlxsw_reg_hpkt_pack(hpkt_pl, mlxsw_sp_rx_listener[i].action,
mlxsw_sp_rx_listener[i].trap_id);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl);
if (err)
goto err_rx_trap_set;
}
return 0;
err_rx_trap_set:
mlxsw_core_rx_listener_unregister(mlxsw_sp->core,
&mlxsw_sp_rx_listener[i],
mlxsw_sp);
err_rx_listener_register:
for (i--; i >= 0; i--) {
mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_DISCARD,
mlxsw_sp_rx_listener[i].trap_id);
mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl);
mlxsw_core_rx_listener_unregister(mlxsw_sp->core,
&mlxsw_sp_rx_listener[i],
mlxsw_sp);
mlxsw_core_trap_unregister(mlxsw_sp->core,
&mlxsw_sp_rx_listener[i],
mlxsw_sp);
}
return err;
}
static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp)
{
char hpkt_pl[MLXSW_REG_HPKT_LEN];
int i;
for (i = 0; i < ARRAY_SIZE(mlxsw_sp_rx_listener); i++) {
mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_DISCARD,
mlxsw_sp_rx_listener[i].trap_id);
mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl);
mlxsw_core_rx_listener_unregister(mlxsw_sp->core,
&mlxsw_sp_rx_listener[i],
mlxsw_sp);
mlxsw_core_trap_unregister(mlxsw_sp->core,
&mlxsw_sp_rx_listener[i],
mlxsw_sp);
}
}