MINOR: listener: move TCP_FO to bind_conf

It's set per bind line ("tfo") and only used in tcp_bind_listener() so
there's no point keeping the address family tests, let's just store the
flag in the bind_conf under the name BC_O_TCP_FO.
This commit is contained in:
Willy Tarreau 2023-01-12 19:45:58 +01:00
parent d9b4d21248
commit c492f1b17f
3 changed files with 4 additions and 9 deletions

View File

@ -101,7 +101,7 @@ enum li_status {
/* unused 0x0040 */
#define LI_O_ACC_PROXY 0x0080 /* find the proxied address in the first request line */
#define LI_O_UNLIMITED 0x0100 /* listener not subject to global limits (peers & stats socket) */
#define LI_O_TCP_FO 0x0200 /* enable TCP Fast Open (linux >= 3.7) */
/* unused 0x0200 */
/* unused 0x0400 */
/* unused 0x0800 */
#define LI_O_ACC_CIP 0x1000 /* find the proxied address in the NetScaler Client IP header */
@ -124,6 +124,7 @@ enum li_status {
#define BC_O_NOLINGER 0x00000080 /* disable lingering on these listeners */
#define BC_O_NOQUICKACK 0x00000100 /* disable quick ack of immediate data (linux) */
#define BC_O_DEF_ACCEPT 0x00000200 /* wait up to 1 second for data before accepting */
#define BC_O_TCP_FO 0x00000400 /* enable TCP Fast Open (linux >= 3.7) */
/* flags used with bind_conf->ssl_options */

View File

@ -73,13 +73,7 @@ static int bind_parse_defer_accept(char **args, int cur_arg, struct proxy *px, s
/* parse the "tfo" bind keyword */
static int bind_parse_tfo(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
{
struct listener *l;
list_for_each_entry(l, &conf->listeners, by_bind) {
if (l->rx.addr.ss_family == AF_INET || l->rx.addr.ss_family == AF_INET6)
l->options |= LI_O_TCP_FO;
}
conf->options |= BC_O_TCP_FO;
return 0;
}
#endif

View File

@ -670,7 +670,7 @@ int tcp_bind_listener(struct listener *listener, char *errmsg, int errlen)
sizeof(zero));
#endif
#if defined(TCP_FASTOPEN)
if (listener->options & LI_O_TCP_FO) {
if (listener->bind_conf->options & BC_O_TCP_FO) {
/* TFO needs a queue length, let's use the configured backlog */
int qlen = listener_backlog(listener);
if (setsockopt(fd, IPPROTO_TCP, TCP_FASTOPEN, &qlen, sizeof(qlen)) == -1) {