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authorLorenz Bauer <lmb@isovalent.com>2023-07-20 18:30:07 +0300
committerMartin KaFai Lau <martin.lau@kernel.org>2023-07-25 23:51:44 +0300
commitce796e60b3b196b61fcc565df195443cbb846ef0 (patch)
tree10d8c7df5fe41aaa2866547eca379327f7e90a1b /net/ipv4
parent67312adc96b5a585970d03b62412847afe2c6b01 (diff)
downloadlinux-ce796e60b3b196b61fcc565df195443cbb846ef0.tar.xz
net: export inet_lookup_reuseport and inet6_lookup_reuseport
Rename the existing reuseport helpers for IPv4 and IPv6 so that they can be invoked in the follow up commit. Export them so that building DCCP and IPv6 as a module works. No change in functionality. Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Lorenz Bauer <lmb@isovalent.com> Link: https://lore.kernel.org/r/20230720-so-reuseport-v6-3-7021b683cdae@isovalent.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/inet_hashtables.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 0819d6001b9a..ecb838460629 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -332,10 +332,10 @@ static inline int compute_score(struct sock *sk, struct net *net,
return score;
}
-static inline struct sock *lookup_reuseport(struct net *net, struct sock *sk,
- struct sk_buff *skb, int doff,
- __be32 saddr, __be16 sport,
- __be32 daddr, unsigned short hnum)
+struct sock *inet_lookup_reuseport(struct net *net, struct sock *sk,
+ struct sk_buff *skb, int doff,
+ __be32 saddr, __be16 sport,
+ __be32 daddr, unsigned short hnum)
{
struct sock *reuse_sk = NULL;
u32 phash;
@@ -346,6 +346,7 @@ static inline struct sock *lookup_reuseport(struct net *net, struct sock *sk,
}
return reuse_sk;
}
+EXPORT_SYMBOL_GPL(inet_lookup_reuseport);
/*
* Here are some nice properties to exploit here. The BSD API
@@ -369,8 +370,8 @@ static struct sock *inet_lhash2_lookup(struct net *net,
sk_nulls_for_each_rcu(sk, node, &ilb2->nulls_head) {
score = compute_score(sk, net, hnum, daddr, dif, sdif);
if (score > hiscore) {
- result = lookup_reuseport(net, sk, skb, doff,
- saddr, sport, daddr, hnum);
+ result = inet_lookup_reuseport(net, sk, skb, doff,
+ saddr, sport, daddr, hnum);
if (result)
return result;
@@ -399,7 +400,7 @@ static inline struct sock *inet_lookup_run_bpf(struct net *net,
if (no_reuseport || IS_ERR_OR_NULL(sk))
return sk;
- reuse_sk = lookup_reuseport(net, sk, skb, doff, saddr, sport, daddr, hnum);
+ reuse_sk = inet_lookup_reuseport(net, sk, skb, doff, saddr, sport, daddr, hnum);
if (reuse_sk)
sk = reuse_sk;
return sk;