diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/ip_fib.h | 10 | ||||
| -rw-r--r-- | include/net/nexthop.h | 25 |
2 files changed, 35 insertions, 0 deletions
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 72bcfdcb25e0..ffbae7683450 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -422,6 +422,16 @@ static inline int fib_num_tclassid_users(struct net *net) #endif int fib_unmerge(struct net *net); +static inline bool nhc_l3mdev_matches_dev(const struct fib_nh_common *nhc, +const struct net_device *dev) +{ + if (nhc->nhc_dev == dev || + l3mdev_master_ifindex_rcu(nhc->nhc_dev) == dev->ifindex) + return true; + + return false; +} + /* Exported by fib_semantics.c */ int ip_fib_check_default(__be32 gw, struct net_device *dev); int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force); diff --git a/include/net/nexthop.h b/include/net/nexthop.h index caca3d336b37..3bb618e5ecf7 100644 --- a/include/net/nexthop.h +++ b/include/net/nexthop.h @@ -233,6 +233,31 @@ struct fib_nh_common *nexthop_fib_nhc(struct nexthop *nh, int nhsel) return &nhi->fib_nhc; } +static inline bool nexthop_uses_dev(const struct nexthop *nh, + const struct net_device *dev) +{ + struct nh_info *nhi; + + if (nh->is_group) { + struct nh_group *nhg = rcu_dereference(nh->nh_grp); + int i; + + for (i = 0; i < nhg->num_nh; i++) { + struct nexthop *nhe = nhg->nh_entries[i].nh; + + nhi = rcu_dereference(nhe->nh_info); + if (nhc_l3mdev_matches_dev(&nhi->fib_nhc, dev)) + return true; + } + } else { + nhi = rcu_dereference(nh->nh_info); + if (nhc_l3mdev_matches_dev(&nhi->fib_nhc, dev)) + return true; + } + + return false; +} + static inline unsigned int fib_info_num_path(const struct fib_info *fi) { if (unlikely(fi->nh)) |