From: Guillaume Nault Date: Thu, 14 Nov 2024 16:03:38 +0000 (+0100) Subject: netfilter: rpfilter: Convert rpfilter_mt() to dscp_t. X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=f694ce6de58930146037aa3f69a534e98b007ff3;p=users%2Fdwmw2%2Flinux.git 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 Signed-off-by: Pablo Neira Ayuso --- diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c index 1ce7a1655b974..a27782d7653eb 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);