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tcp: remove rtx_syn_ack field 

Now inet_rtx_syn_ack() is only used by TCP, it can directly
call tcp_rtx_synack() instead of using an indirect call
to req->rsk_ops->rtx_syn_ack().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250626153017.2156274-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2025-06-26 15:30:16 +00:00 committed by Jakub Kicinski
parent bf3b1d3985
commit 8d68411a12
4 changed files with 1 additions and 5 deletions
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2
include/net/request_sock.h
View File

@ -30,8 +30,6 @@ struct request_sock_ops {
unsigned int obj_size;
struct kmem_cache *slab;
char *slab_name;
int (*rtx_syn_ack)(const struct sock *sk,
struct request_sock *req);
void (*send_ack)(const struct sock *sk, struct sk_buff *skb,
struct request_sock *req);
void (*send_reset)(const struct sock *sk,

2
net/ipv4/inet_connection_sock.c
View File

@ -886,7 +886,7 @@ static void syn_ack_recalc(struct request_sock *req,
int inet_rtx_syn_ack(const struct sock *parent, struct request_sock *req)
{
int err = req->rsk_ops->rtx_syn_ack(parent, req);
int err = tcp_rtx_synack(parent, req);
if (!err)
req->num_retrans++;

1
net/ipv4/tcp_ipv4.c
View File

@ -1703,7 +1703,6 @@ static struct dst_entry *tcp_v4_route_req(const struct sock *sk,
struct request_sock_ops tcp_request_sock_ops __read_mostly = {
.family = PF_INET,
.obj_size = sizeof(struct tcp_request_sock),
.rtx_syn_ack = tcp_rtx_synack,
.send_ack = tcp_v4_reqsk_send_ack,
.destructor = tcp_v4_reqsk_destructor,
.send_reset = tcp_v4_send_reset,

1
net/ipv6/tcp_ipv6.c
View File

@ -835,7 +835,6 @@ static struct dst_entry *tcp_v6_route_req(const struct sock *sk,
struct request_sock_ops tcp6_request_sock_ops __read_mostly = {
.family = AF_INET6,
.obj_size = sizeof(struct tcp6_request_sock),
.rtx_syn_ack = tcp_rtx_synack,
.send_ack = tcp_v6_reqsk_send_ack,
.destructor = tcp_v6_reqsk_destructor,
.send_reset = tcp_v6_send_reset,