[PATCH v3 bpf-next 01/11] tcp: Clean up reverse xmas tree in cookie_v[46]_check().
From: Kuniyuki Iwashima <hidden>
Date: 2023-11-21 18:43:29
Also in:
bpf
Subsystem:
networking [general], networking [tcp], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neal Cardwell, Linus Torvalds
We will grow and cut the xmas tree in cookie_v[46]_check(). This patch cleans it up to make later patches tidy. Signed-off-by: Kuniyuki Iwashima <redacted> --- net/ipv4/syncookies.c | 10 +++++----- net/ipv6/syncookies.c | 12 ++++++------ 2 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index d37282c06e3d..a0118ea76734 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c@@ -331,18 +331,18 @@ EXPORT_SYMBOL_GPL(cookie_tcp_reqsk_alloc); struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb) { struct ip_options *opt = &TCP_SKB_CB(skb)->header.h4.opt; + const struct tcphdr *th = tcp_hdr(skb); + __u32 cookie = ntohl(th->ack_seq) - 1; struct tcp_options_received tcp_opt; + struct tcp_sock *tp = tcp_sk(sk); struct inet_request_sock *ireq; struct tcp_request_sock *treq; - struct tcp_sock *tp = tcp_sk(sk); - const struct tcphdr *th = tcp_hdr(skb); - __u32 cookie = ntohl(th->ack_seq) - 1; - struct sock *ret = sk; struct request_sock *req; + struct sock *ret = sk; int full_space, mss; + struct flowi4 fl4; struct rtable *rt; __u8 rcv_wscale; - struct flowi4 fl4; u32 tsoff = 0; int l3index;
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 12eedc6ca2cc..aa5fb5486cde 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c@@ -127,17 +127,17 @@ EXPORT_SYMBOL_GPL(__cookie_v6_check); struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb) { + const struct tcphdr *th = tcp_hdr(skb); + __u32 cookie = ntohl(th->ack_seq) - 1; + struct ipv6_pinfo *np = inet6_sk(sk); struct tcp_options_received tcp_opt; + struct tcp_sock *tp = tcp_sk(sk); struct inet_request_sock *ireq; struct tcp_request_sock *treq; - struct ipv6_pinfo *np = inet6_sk(sk); - struct tcp_sock *tp = tcp_sk(sk); - const struct tcphdr *th = tcp_hdr(skb); - __u32 cookie = ntohl(th->ack_seq) - 1; - struct sock *ret = sk; struct request_sock *req; - int full_space, mss; struct dst_entry *dst; + struct sock *ret = sk; + int full_space, mss; __u8 rcv_wscale; u32 tsoff = 0; int l3index;
--
2.30.2