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net: ipv4: remove unused arg exact_dif in compute_score 

The arg exact_dif is not used anymore, remove it. inet_exact_dif_match()
is no longer needed after the above is removed, so remove it too.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Miaohe Lin 2020-08-31 02:26:34 -04:00 committed by David S. Miller
parent 3f7d820bad
commit 34e1ec319e
2 changed files with 2 additions and 14 deletions
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10
include/net/tcp.h
View File

@ -941,16 +941,6 @@ INDIRECT_CALLABLE_DECLARE(void tcp_v6_early_demux(struct sk_buff *skb));
#endif
static inline bool inet_exact_dif_match(struct net *net, struct sk_buff *skb)
{
#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV)
if (!net->ipv4.sysctl_tcp_l3mdev_accept &&
skb && ipv4_l3mdev_skb(IPCB(skb)->flags))
return true;
#endif
return false;
}
/* TCP_SKB_CB reference means this can not be used from early demux */
static inline int tcp_v4_sdif(struct sk_buff *skb)
{

6
net/ipv4/inet_hashtables.c
View File

@ -228,7 +228,7 @@ static void inet_unhash2(struct inet_hashinfo *h, struct sock *sk)
static inline int compute_score(struct sock *sk, struct net *net,
const unsigned short hnum, const __be32 daddr,
const int dif, const int sdif, bool exact_dif)
const int dif, const int sdif)
{
int score = -1;
@ -277,15 +277,13 @@ static struct sock *inet_lhash2_lookup(struct net *net,
const __be32 daddr, const unsigned short hnum,
const int dif, const int sdif)
{
bool exact_dif = inet_exact_dif_match(net, skb);
struct inet_connection_sock *icsk;
struct sock *sk, *result = NULL;
int score, hiscore = 0;
inet_lhash2_for_each_icsk_rcu(icsk, &ilb2->head) {
sk = (struct sock *)icsk;
score = compute_score(sk, net, hnum, daddr,
dif, sdif, exact_dif);
score = compute_score(sk, net, hnum, daddr, dif, sdif);
if (score > hiscore) {
result = lookup_reuseport(net, sk, skb, doff,
saddr, sport, daddr, hnum);