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Retry send without pktinfo on ENETUNREACH as well

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It seems that newer kernels fail with ENETUNREACH instead of EINVAL with
an invalid source address in pktinfo.

This fixes fast reconnect on source address change.
This commit is contained in:
Matthias Schiffer 2019-11-07 18:28:36 +01:00
parent c29b4b0e3c
commit 8dc1ed3a1e
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
1 changed files with 11 additions and 7 deletions
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8
src/send.c
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@ -133,8 +133,11 @@ static void send_type(const fastd_socket_t *sock, const fastd_peer_address_t *lo
int ret = sendmsg(sock->fd.fd, &msg, 0);
if (ret < 0 && errno == EINVAL && msg.msg_controllen) {
pr_debug2("sendmsg failed, trying again without pktinfo");
if (ret < 0 && msg.msg_controllen) {
switch (errno) {
case EINVAL:
case ENETUNREACH:
pr_debug2("sendmsg: %s (trying again without pktinfo)", strerror(errno));
if (peer && !fastd_peer_handshake_scheduled(peer))
fastd_peer_schedule_handshake_default(peer);
@ -144,6 +147,7 @@ static void send_type(const fastd_socket_t *sock, const fastd_peer_address_t *lo
ret = sendmsg(sock->fd.fd, &msg, 0);
}
}
if (ret < 0) {
switch (errno) {