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Try value 42 for mptcp (fallback to 26)

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This commit is contained in:
Adrien Gallouët
2017-06-07 11:27:44 +02:00
parent 8cb849fbc3
commit 0a797b4f5f
1 changed files with 28 additions and 16 deletions
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44
src/main.c
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@@ -53,8 +53,6 @@
#define GT_ABYTES (16)
#define GT_KEYBYTES (32)
#define MPTCP_ENABLED (26)
static struct {
volatile sig_atomic_t quit;
volatile sig_atomic_t info;
@@ -116,13 +114,16 @@ enum sk_opt {
sk_acceptfilter,
sk_quickack,
sk_user_timeout,
sk_mptcp,
sk_mptcp_26,
sk_mptcp_42,
};
static void sk_set (int fd, enum sk_opt opt, const void *val, socklen_t len)
static int sk_set (int fd, enum sk_opt opt, const void *val, socklen_t len)
{
if (!val || len<=0)
return;
if (!val || len<=0) {
errno = EINVAL;
return -1;
}
struct {
const char *name;
@@ -173,33 +174,44 @@ static void sk_set (int fd, enum sk_opt opt, const void *val, socklen_t len)
1, IPPROTO_TCP, TCP_USER_TIMEOUT,
#endif
},
[sk_mptcp] = { "MPTCP_ENABLED",
#ifdef MPTCP_ENABLED
1, IPPROTO_TCP, MPTCP_ENABLED,
#endif
},
[sk_mptcp_26] = { "MPTCP_ENABLED (26)", 1, IPPROTO_TCP, 26 },
[sk_mptcp_42] = { "MPTCP_ENABLED (42)", 1, IPPROTO_TCP, 42 },
};
if (!opts[opt].present) {
gt_na(opts[opt].name);
return;
errno = EINVAL;
return -1;
}
if (setsockopt(fd, opts[opt].level, opts[opt].option, val, len)==-1)
int ret = setsockopt(fd, opts[opt].level, opts[opt].option, val, len);
if (ret==-1) {
int err = errno;
gt_log("couldn't set socket option `%s'\n", opts[opt].name);
errno = err;
}
static void sk_set_int (int fd, enum sk_opt opt, int val)
return ret;
}
static int sk_set_int (int fd, enum sk_opt opt, int val)
{
return sk_set(fd, opt, &val, sizeof(val));
}
static void sk_set_mptcp (int fd)
{
if (sk_set_int(fd, sk_mptcp_42, 1)==-1)
sk_set_int(fd, sk_mptcp_26, 1);
}
static int sk_listen (int fd, struct addrinfo *ai)
{
sk_set_int(fd, sk_reuseaddr, 1);
if (gt.mptcp)
sk_set_int(fd, sk_mptcp, 1);
sk_set_mptcp(fd);
if (bind(fd, ai->ai_addr, ai->ai_addrlen)==-1) {
perror("bind");
@@ -226,7 +238,7 @@ static int sk_connect (int fd, struct addrinfo *ai)
fd_set_nonblock(fd);
if (gt.mptcp)
sk_set_int(fd, sk_mptcp, 1);
sk_set_mptcp(fd);
int ret = connect(fd, ai->ai_addr, ai->ai_addrlen);