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Diffstat (limited to 'lib/connect.c')
-rw-r--r--lib/connect.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/lib/connect.c b/lib/connect.c
index 45e18bc07..3edb71eb7 100644
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -28,8 +28,10 @@
#ifdef HAVE_SYS_UN_H
#include <sys/un.h> /* for sockaddr_un */
#endif
-#ifdef HAVE_NETINET_TCP_H
-#include <netinet/tcp.h> /* for TCP_NODELAY */
+#ifdef HAVE_LINUX_TCP_H
+#include <linux/tcp.h>
+#elif defined(HAVE_NETINET_TCP_H)
+#include <netinet/tcp.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
@@ -989,6 +991,9 @@ static CURLcode singleipconnect(struct connectdata *conn,
char ipaddress[MAX_IPADR_LEN];
long port;
bool is_tcp;
+#ifdef TCP_FASTOPEN_CONNECT
+ int optval = 1;
+#endif
*sockp = CURL_SOCKET_BAD;
@@ -1092,7 +1097,15 @@ static CURLcode singleipconnect(struct connectdata *conn,
# else
rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
# endif /* HAVE_BUILTIN_AVAILABLE */
-#elif defined(MSG_FASTOPEN) /* Linux */
+#elif defined(TCP_FASTOPEN_CONNECT) /* Linux >= 4.11 */
+ if(setsockopt(sockfd, IPPROTO_TCP, TCP_FASTOPEN_CONNECT,
+ (void *)&optval, sizeof(optval)) < 0)
+ infof(data, "Failed to enable TCP Fast Open on fd %d\n", sockfd);
+ else
+ infof(data, "TCP_FASTOPEN_CONNECT set\n");
+
+ rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
+#elif defined(MSG_FASTOPEN) /* old Linux */
if(conn->given->flags & PROTOPT_SSL)
rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
else