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| author | Jakub Kicinski <kuba@kernel.org> | 2022-03-23 10:52:56 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-03-23 10:53:49 -0700 |
| commit | 89695196f0ba78a17453f9616355f2ca6b293402 (patch) | |
| tree | 7a0f44d06e5b83002899667841baa9a3598bf819 /net/ipv4/route.c | |
| parent | 764f4eb6846f5475f1244767d24d25dd86528a4a (diff) | |
| parent | f92fcb5c00dc924a4661d5bf68de7937040f26b8 (diff) | |
| download | linux-89695196f0ba78a17453f9616355f2ca6b293402.tar.gz linux-89695196f0ba78a17453f9616355f2ca6b293402.tar.bz2 linux-89695196f0ba78a17453f9616355f2ca6b293402.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in overtime fixes, no conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/route.c')
| -rw-r--r-- | net/ipv4/route.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 63f3256a407d..98c6f3429593 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -498,6 +498,15 @@ void __ip_select_ident(struct net *net, struct iphdr *iph, int segs) } EXPORT_SYMBOL(__ip_select_ident); +static void ip_rt_fix_tos(struct flowi4 *fl4) +{ + __u8 tos = RT_FL_TOS(fl4); + + fl4->flowi4_tos = tos & IPTOS_RT_MASK; + fl4->flowi4_scope = tos & RTO_ONLINK ? + RT_SCOPE_LINK : RT_SCOPE_UNIVERSE; +} + static void __build_flow_key(const struct net *net, struct flowi4 *fl4, const struct sock *sk, const struct iphdr *iph, @@ -823,6 +832,7 @@ static void ip_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_buf rt = (struct rtable *) dst; __build_flow_key(net, &fl4, sk, iph, oif, tos, prot, mark, 0); + ip_rt_fix_tos(&fl4); __ip_do_redirect(rt, skb, &fl4, true); } @@ -1047,6 +1057,7 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, struct sock *sk, struct flowi4 fl4; ip_rt_build_flow_key(&fl4, sk, skb); + ip_rt_fix_tos(&fl4); /* Don't make lookup fail for bridged encapsulations */ if (skb && netif_is_any_bridge_port(skb->dev)) @@ -1121,6 +1132,8 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) goto out; new = true; + } else { + ip_rt_fix_tos(&fl4); } __ip_rt_update_pmtu((struct rtable *)xfrm_dst_path(&rt->dst), &fl4, mtu); @@ -2609,7 +2622,6 @@ add: struct rtable *ip_route_output_key_hash(struct net *net, struct flowi4 *fl4, const struct sk_buff *skb) { - __u8 tos = RT_FL_TOS(fl4); struct fib_result res = { .type = RTN_UNSPEC, .fi = NULL, @@ -2619,9 +2631,7 @@ struct rtable *ip_route_output_key_hash(struct net *net, struct flowi4 *fl4, struct rtable *rth; fl4->flowi4_iif = LOOPBACK_IFINDEX; - fl4->flowi4_tos = tos & IPTOS_RT_MASK; - fl4->flowi4_scope = ((tos & RTO_ONLINK) ? - RT_SCOPE_LINK : RT_SCOPE_UNIVERSE); + ip_rt_fix_tos(fl4); rcu_read_lock(); rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb); |