@@ -125,6 +125,43 @@ int start_server(int family, int type, const char *addr_str, __u16 port,
return -1;
}
+int fastopen_connect(int server_fd, const char *data, unsigned int data_len,
+ int timeout_ms)
+{
+ struct sockaddr_storage addr;
+ socklen_t addrlen = sizeof(addr);
+ struct sockaddr_in *addr_in;
+ int fd, ret;
+
+ if (getsockname(server_fd, (struct sockaddr *)&addr, &addrlen)) {
+ log_err("Failed to get server addr");
+ return -1;
+ }
+
+ addr_in = (struct sockaddr_in *)&addr;
+ fd = socket(addr_in->sin_family, SOCK_STREAM, 0);
+ if (fd < 0) {
+ log_err("Failed to create client socket");
+ return -1;
+ }
+
+ if (settimeo(fd, timeout_ms))
+ goto error_close;
+
+ ret = sendto(fd, data, data_len, MSG_FASTOPEN, (struct sockaddr *)&addr,
+ addrlen);
+ if (ret != data_len) {
+ log_err("sendto(data, %u) != %d\n", data_len, ret);
+ goto error_close;
+ }
+
+ return fd;
+
+error_close:
+ save_errno_close(fd);
+ return -1;
+}
+
static int connect_fd_to_addr(int fd,
const struct sockaddr_storage *addr,
socklen_t addrlen)
@@ -37,5 +37,7 @@ int start_server(int family, int type, const char *addr, __u16 port,
int timeout_ms);
int connect_to_fd(int server_fd, int timeout_ms);
int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms);
+int fastopen_connect(int server_fd, const char *data, unsigned int data_len,
+ int timeout_ms);
#endif
This patch adds a fastopen_connect() helper which will be used in a latter test. Signed-off-by: Martin KaFai Lau <kafai@fb.com> --- tools/testing/selftests/bpf/network_helpers.c | 37 +++++++++++++++++++ tools/testing/selftests/bpf/network_helpers.h | 2 + 2 files changed, 39 insertions(+)