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mlxsw: spectrum_router: Support IPv6 overlay encap 

Add the missing bits to recognize IPv6 next hops as IPIP ones to enable
offloading of IPv6 overlay encapsulation.

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 23:49:24 +02:00 committed by David S. Miller
parent 1012b9ac28
commit 8f28a30976
1 changed files with 19 additions and 1 deletions
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20
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
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@ -3757,15 +3757,32 @@ mlxsw_sp_fib6_entry_rt_find(const struct mlxsw_sp_fib6_entry *fib6_entry,
return NULL;
}
static bool mlxsw_sp_nexthop6_ipip_type(const struct mlxsw_sp *mlxsw_sp,
const struct rt6_info *rt,
enum mlxsw_sp_ipip_type *ret)
{
return rt->dst.dev &&
mlxsw_sp_netdev_ipip_type(mlxsw_sp, rt->dst.dev, ret);
}
static int mlxsw_sp_nexthop6_type_init(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop_group *nh_grp,
struct mlxsw_sp_nexthop *nh,
const struct rt6_info *rt)
{
struct mlxsw_sp_router *router = mlxsw_sp->router;
struct net_device *dev = rt->dst.dev;
enum mlxsw_sp_ipip_type ipipt;
struct mlxsw_sp_rif *rif;
int err;
if (mlxsw_sp_nexthop6_ipip_type(mlxsw_sp, rt, &ipipt) &&
router->ipip_ops_arr[ipipt]->can_offload(mlxsw_sp, dev,
MLXSW_SP_L3_PROTO_IPV6)) {
nh->type = MLXSW_SP_NEXTHOP_TYPE_IPIP;
return mlxsw_sp_nexthop_ipip_init(mlxsw_sp, ipipt, nh, dev);
}
nh->type = MLXSW_SP_NEXTHOP_TYPE_ETH;
rif = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev);
if (!rif)
@ -3815,7 +3832,8 @@ static void mlxsw_sp_nexthop6_fini(struct mlxsw_sp *mlxsw_sp,
static bool mlxsw_sp_rt6_is_gateway(const struct mlxsw_sp *mlxsw_sp,
const struct rt6_info *rt)
{
return rt->rt6i_flags & RTF_GATEWAY;
return rt->rt6i_flags & RTF_GATEWAY ||
mlxsw_sp_nexthop6_ipip_type(mlxsw_sp, rt, NULL);
}
static struct mlxsw_sp_nexthop_group *