From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/net/ipv4/udp.c | 29 +++++++++++++++++++++--------
1 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/kernel/net/ipv4/udp.c b/kernel/net/ipv4/udp.c
index 3c1283c..22862b0 100644
--- a/kernel/net/ipv4/udp.c
+++ b/kernel/net/ipv4/udp.c
@@ -444,14 +444,24 @@
score = compute_score(sk, net, saddr, sport,
daddr, hnum, dif, sdif);
if (score > badness) {
- result = lookup_reuseport(net, sk, skb,
- saddr, sport, daddr, hnum);
+ badness = score;
+ result = lookup_reuseport(net, sk, skb, saddr, sport, daddr, hnum);
+ if (!result) {
+ result = sk;
+ continue;
+ }
+
/* Fall back to scoring if group has connections */
- if (result && !reuseport_has_conns(sk))
+ if (!reuseport_has_conns(sk))
return result;
- result = result ? : sk;
- badness = score;
+ /* Reuseport logic returned an error, keep original score. */
+ if (IS_ERR(result))
+ continue;
+
+ badness = compute_score(result, net, saddr, sport,
+ daddr, hnum, dif, sdif);
+
}
}
return result;
@@ -1584,7 +1594,7 @@
}
EXPORT_SYMBOL_GPL(__udp_enqueue_schedule_skb);
-void udp_destruct_sock(struct sock *sk)
+void udp_destruct_common(struct sock *sk)
{
/* reclaim completely the forward allocated memory */
struct udp_sock *up = udp_sk(sk);
@@ -1597,10 +1607,14 @@
kfree_skb(skb);
}
udp_rmem_release(sk, total, 0, true);
+}
+EXPORT_SYMBOL_GPL(udp_destruct_common);
+static void udp_destruct_sock(struct sock *sk)
+{
+ udp_destruct_common(sk);
inet_sock_destruct(sk);
}
-EXPORT_SYMBOL_GPL(udp_destruct_sock);
int udp_init_sock(struct sock *sk)
{
@@ -1608,7 +1622,6 @@
sk->sk_destruct = udp_destruct_sock;
return 0;
}
-EXPORT_SYMBOL_GPL(udp_init_sock);
void skb_consume_udp(struct sock *sk, struct sk_buff *skb, int len)
{
--
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