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| author | David S. Miller <davem@davemloft.net> | 2018-01-09 10:37:00 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-09 10:37:00 -0500 |
| commit | a0ce093180f2bbb832b3f5583adc640ad67ea568 (patch) | |
| tree | 62c9aca5be3566ea4810e4584a02870de8b953f8 /net/ipv6 | |
| parent | f4803f1b73f877a571be4c8e531dfcf190acc691 (diff) | |
| parent | ef7f8cec80a0ba7bd00ece46844c8994117dc910 (diff) | |
| download | linux-a0ce093180f2bbb832b3f5583adc640ad67ea568.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/ip6_fib.c | 35 | ||||
| -rw-r--r-- | net/ipv6/ip6_tunnel.c | 15 |
2 files changed, 28 insertions, 22 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index edda5ad3b405..b5f19703fca6 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -1243,23 +1243,28 @@ out: * If fib6_add_1 has cleared the old leaf pointer in the * super-tree leaf node we have to find a new one for it. */ - struct rt6_info *pn_leaf = rcu_dereference_protected(pn->leaf, - lockdep_is_held(&table->tb6_lock)); - if (pn != fn && pn_leaf == rt) { - pn_leaf = NULL; - RCU_INIT_POINTER(pn->leaf, NULL); - atomic_dec(&rt->rt6i_ref); - } - if (pn != fn && !pn_leaf && !(pn->fn_flags & RTN_RTINFO)) { - pn_leaf = fib6_find_prefix(info->nl_net, table, pn); -#if RT6_DEBUG >= 2 - if (!pn_leaf) { - WARN_ON(!pn_leaf); - pn_leaf = info->nl_net->ipv6.ip6_null_entry; + if (pn != fn) { + struct rt6_info *pn_leaf = + rcu_dereference_protected(pn->leaf, + lockdep_is_held(&table->tb6_lock)); + if (pn_leaf == rt) { + pn_leaf = NULL; + RCU_INIT_POINTER(pn->leaf, NULL); + atomic_dec(&rt->rt6i_ref); } + if (!pn_leaf && !(pn->fn_flags & RTN_RTINFO)) { + pn_leaf = fib6_find_prefix(info->nl_net, table, + pn); +#if RT6_DEBUG >= 2 + if (!pn_leaf) { + WARN_ON(!pn_leaf); + pn_leaf = + info->nl_net->ipv6.ip6_null_entry; + } #endif - atomic_inc(&pn_leaf->rt6i_ref); - rcu_assign_pointer(pn->leaf, pn_leaf); + atomic_inc(&pn_leaf->rt6i_ref); + rcu_assign_pointer(pn->leaf, pn_leaf); + } } #endif goto failure; diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 8a4610e84e58..8071f42cd8a0 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1077,10 +1077,11 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield, memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr)); neigh_release(neigh); } - } else if (!(t->parms.flags & - (IP6_TNL_F_USE_ORIG_TCLASS | IP6_TNL_F_USE_ORIG_FWMARK))) { - /* enable the cache only only if the routing decision does - * not depend on the current inner header value + } else if (t->parms.proto != 0 && !(t->parms.flags & + (IP6_TNL_F_USE_ORIG_TCLASS | + IP6_TNL_F_USE_ORIG_FWMARK))) { + /* enable the cache only if neither the outer protocol nor the + * routing decision depends on the current inner header value */ use_cache = true; } @@ -1679,11 +1680,11 @@ int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu) { struct ip6_tnl *tnl = netdev_priv(dev); - if (tnl->parms.proto == IPPROTO_IPIP) { - if (new_mtu < ETH_MIN_MTU) + if (tnl->parms.proto == IPPROTO_IPV6) { + if (new_mtu < IPV6_MIN_MTU) return -EINVAL; } else { - if (new_mtu < IPV6_MIN_MTU) + if (new_mtu < ETH_MIN_MTU) return -EINVAL; } if (new_mtu > 0xFFF8 - dev->hard_header_len) |