diff options
| author | Petr Machata <petrm@nvidia.com> | 2021-01-28 13:49:14 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-28 20:49:51 -0800 |
| commit | 79bc55e3fee9f6169756d1a9d68c3ba9e774c3b1 (patch) | |
| tree | 756d8d048e3ac103c3b19fd8eac644308d1308bd /net/ipv4/nexthop.c | |
| parent | 5d1f0f09b5f0176494419a056db3a6647becd316 (diff) | |
nexthop: Dispatch nexthop_select_path() by group type
The logic for selecting path depends on the next-hop group type. Adapt the
nexthop_select_path() to dispatch according to the group type.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/nexthop.c')
| -rw-r--r-- | net/ipv4/nexthop.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index 1deb9e4df1de..43bb5f451343 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -680,16 +680,11 @@ static bool ipv4_good_nh(const struct fib_nh *nh) return !!(state & NUD_VALID); } -struct nexthop *nexthop_select_path(struct nexthop *nh, int hash) +static struct nexthop *nexthop_select_path_mp(struct nh_group *nhg, int hash) { struct nexthop *rc = NULL; - struct nh_group *nhg; int i; - if (!nh->is_group) - return nh; - - nhg = rcu_dereference(nh->nh_grp); for (i = 0; i < nhg->num_nh; ++i) { struct nh_grp_entry *nhge = &nhg->nh_entries[i]; struct nh_info *nhi; @@ -721,6 +716,21 @@ struct nexthop *nexthop_select_path(struct nexthop *nh, int hash) return rc; } + +struct nexthop *nexthop_select_path(struct nexthop *nh, int hash) +{ + struct nh_group *nhg; + + if (!nh->is_group) + return nh; + + nhg = rcu_dereference(nh->nh_grp); + if (nhg->mpath) + return nexthop_select_path_mp(nhg, hash); + + /* Unreachable. */ + return NULL; +} EXPORT_SYMBOL_GPL(nexthop_select_path); int nexthop_for_each_fib6_nh(struct nexthop *nh, |