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authorGuillaume Nault <gnault@redhat.com>2024-11-14 17:03:38 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2024-11-15 11:00:29 +0100
commitf694ce6de58930146037aa3f69a534e98b007ff3 (patch)
tree982b495a7898b51a2fc2785ade0c1c9523922399 /net
parent6f9615a6e686bc0acfb5a02050a50782a6a378b2 (diff)
netfilter: rpfilter: Convert rpfilter_mt() to dscp_t.
Use ip4h_dscp() instead of reading iph->tos directly. ip4h_dscp() returns a dscp_t value which is temporarily converted back to __u8 with inet_dscp_to_dsfield(). When converting ->flowi4_tos to dscp_t in the future, we'll only have to remove that inet_dscp_to_dsfield() call. Signed-off-by: Guillaume Nault <gnault@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/netfilter/ipt_rpfilter.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c
index 1ce7a1655b97..a27782d7653e 100644
--- a/net/ipv4/netfilter/ipt_rpfilter.c
+++ b/net/ipv4/netfilter/ipt_rpfilter.c
@@ -76,7 +76,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
flow.daddr = iph->saddr;
flow.saddr = rpfilter_get_saddr(iph->daddr);
flow.flowi4_mark = info->flags & XT_RPFILTER_VALID_MARK ? skb->mark : 0;
- flow.flowi4_tos = iph->tos & INET_DSCP_MASK;
+ flow.flowi4_tos = inet_dscp_to_dsfield(ip4h_dscp(iph));
flow.flowi4_scope = RT_SCOPE_UNIVERSE;
flow.flowi4_l3mdev = l3mdev_master_ifindex_rcu(xt_in(par));
flow.flowi4_uid = sock_net_uid(xt_net(par), NULL);