diff options
| -rw-r--r-- | include/net/ip_fib.h | 13 | ||||
| -rw-r--r-- | net/switchdev/switchdev.c | 4 |
2 files changed, 15 insertions, 2 deletions
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 116a9c0eb455..ffccf1787914 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -123,6 +123,7 @@ struct fib_info { #ifdef CONFIG_IP_ROUTE_MULTIPATH int fib_weight; #endif + unsigned int fib_offload_cnt; struct rcu_head rcu; struct fib_nh fib_nh[0]; #define fib_dev fib_nh[0].nh_dev @@ -174,6 +175,18 @@ struct fib_result_nl { __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh); +static inline void fib_info_offload_inc(struct fib_info *fi) +{ + fi->fib_offload_cnt++; + fi->fib_flags |= RTNH_F_OFFLOAD; +} + +static inline void fib_info_offload_dec(struct fib_info *fi) +{ + if (--fi->fib_offload_cnt == 0) + fi->fib_flags &= ~RTNH_F_OFFLOAD; +} + #define FIB_RES_SADDR(net, res) \ ((FIB_RES_NH(res).nh_saddr_genid == \ atomic_read(&(net)->ipv4.dev_addr_genid)) ? \ diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 10b819308439..abd8d2a38a7d 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -1216,7 +1216,7 @@ int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi, ipv4_fib.obj.orig_dev = dev; err = switchdev_port_obj_add(dev, &ipv4_fib.obj); if (!err) - fi->fib_flags |= RTNH_F_OFFLOAD; + fib_info_offload_inc(fi); return err == -EOPNOTSUPP ? 0 : err; } @@ -1260,7 +1260,7 @@ int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi, ipv4_fib.obj.orig_dev = dev; err = switchdev_port_obj_del(dev, &ipv4_fib.obj); if (!err) - fi->fib_flags &= ~RTNH_F_OFFLOAD; + fib_info_offload_dec(fi); return err == -EOPNOTSUPP ? 0 : err; } |