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mlxsw: spectrum_router: Extract mlxsw_sp_fi_is_gateway()

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For IPv4 IP-in-IP offload, routes that direct traffic to IP-in-IP
devices need to be considered gateway routes as well. That involves a
bit more logic, so extract the current test to a separate function,
where the logic can be later added.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-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:
Petr Machata 2017-09-02 23:49:20 +02:00 committed by David S. Miller
parent 6ddb7426a7
commit 9b01451ad5
1 changed files with 10 additions and 4 deletions
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14
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
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@ -2382,6 +2382,12 @@ static void mlxsw_sp_nexthop_rif_gone_sync(struct mlxsw_sp *mlxsw_sp,
}
}
static bool mlxsw_sp_fi_is_gateway(const struct mlxsw_sp *mlxsw_sp,
const struct fib_info *fi)
{
return fi->fib_nh->nh_scope == RT_SCOPE_LINK;
}
static struct mlxsw_sp_nexthop_group *
mlxsw_sp_nexthop4_group_create(struct mlxsw_sp *mlxsw_sp, struct fib_info *fi)
{
@ -2401,7 +2407,7 @@ mlxsw_sp_nexthop4_group_create(struct mlxsw_sp *mlxsw_sp, struct fib_info *fi)
INIT_LIST_HEAD(&nh_grp->fib_list);
nh_grp->neigh_tbl = &arp_tbl;
nh_grp->gateway = fi->fib_nh->nh_scope == RT_SCOPE_LINK;
nh_grp->gateway = mlxsw_sp_fi_is_gateway(mlxsw_sp, fi);
nh_grp->count = fi->fib_nhs;
fib_info_hold(fi);
for (i = 0; i < nh_grp->count; i++) {
@ -2801,10 +2807,10 @@ mlxsw_sp_fib4_entry_type_set(struct mlxsw_sp *mlxsw_sp,
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_LOCAL;
return 0;
case RTN_UNICAST:
if (fi->fib_nh->nh_scope != RT_SCOPE_LINK)
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_LOCAL;
else
if (mlxsw_sp_fi_is_gateway(mlxsw_sp, fi))
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_REMOTE;
else
fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_LOCAL;
return 0;
default:
return -EINVAL;