diff mbox series

[v3,bpf-next,01/11] tcp: Clean up reverse xmas tree in cookie_v[46]_check().

Message ID 20231121184245.69569-2-kuniyu@amazon.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series bpf: tcp: Support arbitrary SYN Cookie at TC. | expand

Checks

Context Check Description
bpf/vmtest-bpf-next-VM_Test-16 success Logs for x86_64-gcc / build / build for x86_64 with gcc
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bpf/vmtest-bpf-next-PR fail PR summary
netdev/series_format success Posting correctly formatted
netdev/codegen success Generated files up to date
netdev/tree_selection success Clearly marked for bpf-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1137 this patch: 1137
netdev/cc_maintainers success CCed 6 of 6 maintainers
netdev/build_clang success Errors and warnings before: 1162 this patch: 1162
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1164 this patch: 1164
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 46 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
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Commit Message

Kuniyuki Iwashima Nov. 21, 2023, 6:42 p.m. UTC 
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 <kuniyu@amazon.com>
---
 net/ipv4/syncookies.c | 10 +++++-----
 net/ipv6/syncookies.c | 12 ++++++------
 2 files changed, 11 insertions(+), 11 deletions(-)
diff mbox series

Patch

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;