From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 11 Dec 2023 02:45:28 +0000 Subject: [PATCH] add boot partition size --- kernel/net/netfilter/utils.c | 38 ++++++++++++++++++++++++++++---------- 1 files changed, 28 insertions(+), 10 deletions(-) diff --git a/kernel/net/netfilter/utils.c b/kernel/net/netfilter/utils.c index e8da9a9..2182d36 100644 --- a/kernel/net/netfilter/utils.c +++ b/kernel/net/netfilter/utils.c @@ -17,16 +17,17 @@ case CHECKSUM_COMPLETE: if (hook != NF_INET_PRE_ROUTING && hook != NF_INET_LOCAL_IN) break; - if ((protocol == 0 && !csum_fold(skb->csum)) || + if ((protocol != IPPROTO_TCP && protocol != IPPROTO_UDP && + !csum_fold(skb->csum)) || !csum_tcpudp_magic(iph->saddr, iph->daddr, skb->len - dataoff, protocol, skb->csum)) { skb->ip_summed = CHECKSUM_UNNECESSARY; break; } - /* fall through */ + fallthrough; case CHECKSUM_NONE: - if (protocol == 0) + if (protocol != IPPROTO_TCP && protocol != IPPROTO_UDP) skb->csum = 0; else skb->csum = csum_tcpudp_nofold(iph->saddr, iph->daddr, @@ -50,7 +51,7 @@ case CHECKSUM_COMPLETE: if (len == skb->len - dataoff) return nf_ip_checksum(skb, hook, dataoff, protocol); - /* fall through */ + fallthrough; case CHECKSUM_NONE: skb->csum = csum_tcpudp_nofold(iph->saddr, iph->daddr, protocol, skb->len - dataoff, 0); @@ -78,7 +79,7 @@ skb->ip_summed = CHECKSUM_UNNECESSARY; break; } - /* fall through */ + fallthrough; case CHECKSUM_NONE: skb->csum = ~csum_unfold( csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, @@ -105,7 +106,7 @@ case CHECKSUM_COMPLETE: if (len == skb->len - dataoff) return nf_ip6_checksum(skb, hook, dataoff, protocol); - /* fall through */ + fallthrough; case CHECKSUM_NONE: hsum = skb_checksum(skb, 0, dataoff, 0); skb->csum = ~csum_unfold(csum_ipv6_magic(&ip6h->saddr, @@ -162,7 +163,7 @@ int nf_route(struct net *net, struct dst_entry **dst, struct flowi *fl, bool strict, unsigned short family) { - const struct nf_ipv6_ops *v6ops; + const struct nf_ipv6_ops *v6ops __maybe_unused; int ret = 0; switch (family) { @@ -170,9 +171,7 @@ ret = nf_ip_route(net, dst, fl, strict); break; case AF_INET6: - v6ops = rcu_dereference(nf_ipv6_ops); - if (v6ops) - ret = v6ops->route(net, dst, fl, strict); + ret = nf_ip6_route(net, dst, fl, strict); break; } @@ -180,6 +179,25 @@ } EXPORT_SYMBOL_GPL(nf_route); +static int nf_ip_reroute(struct sk_buff *skb, const struct nf_queue_entry *entry) +{ +#ifdef CONFIG_INET + const struct ip_rt_info *rt_info = nf_queue_entry_reroute(entry); + + if (entry->state.hook == NF_INET_LOCAL_OUT) { + const struct iphdr *iph = ip_hdr(skb); + + if (!(iph->tos == rt_info->tos && + skb->mark == rt_info->mark && + iph->daddr == rt_info->daddr && + iph->saddr == rt_info->saddr)) + return ip_route_me_harder(entry->state.net, entry->state.sk, + skb, RTN_UNSPEC); + } +#endif + return 0; +} + int nf_reroute(struct sk_buff *skb, struct nf_queue_entry *entry) { const struct nf_ipv6_ops *v6ops; -- Gitblit v1.6.2