linux-kernel - [PATCH 2/4] net-next: ip6: fetch inetpeer in ip6frag

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Message-ID: <20220829114600.GA2374@debian>
Date:   Mon, 29 Aug 2022 13:46:08 +0200
From:   Richard Gobert <richardbgobert@...il.com>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, corbet@....net, yoshfuji@...ux-ipv6.org,
        dsahern@...nel.org, alex.aring@...il.com,
        stefan@...enfreihafen.org, pablo@...filter.org,
        kadlec@...filter.org, fw@...len.de, kafai@...com,
        netdev@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-wpan@...r.kernel.org,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org
Subject: [PATCH 2/4] net-next: ip6: fetch inetpeer in ip6frag_init

Obtain the IPv6 peer in ip6frag_init, to allow for peer memory tracking
in the IPv6 fragment reassembly logic.

Signed-off-by: Richard Gobert <richardbgobert@...il.com>
---
 include/net/ipv6_frag.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/net/ipv6_frag.h b/include/net/ipv6_frag.h
index 5052c66e22d2..62760cd3bdd1 100644
--- a/include/net/ipv6_frag.h
+++ b/include/net/ipv6_frag.h
@@ -6,6 +6,7 @@
 #include <net/addrconf.h>
 #include <net/ipv6.h>
 #include <net/inet_frag.h>
+#include <net/inetpeer.h>
 
 enum ip6_defrag_Richard Goberts {
 	IP6_DEFRAG_LOCAL_DELIVER,
@@ -33,9 +34,11 @@ static inline void ip6frag_init(struct inet_frag_queue *q, const void *a)
 {
 	struct frag_queue *fq = container_of(q, struct frag_queue, q);
 	const struct frag_v6_compare_key *key = a;
+	const struct net *net = q->fqdir->net;
 
 	q->key.v6 = *key;
 	fq->ecn = 0;
+	q->peer = inet_getpeer_v6(net->ipv6.peers, &key->saddr, 1);
 }
 
 static inline u32 ip6frag_key_hashfn(const void *data, u32 len, u32 seed)
-- 
2.36.1