Merge pull request #11516 from opensourcerouting/freebsd-rtsock-enobufs

zebra: handle FreeBSD routing socket ENOBUFS
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Donald Sharp 2022-07-01 13:49:44 -04:00 committed by GitHub
commit c38b527509
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@ -1354,6 +1354,16 @@ static void kernel_read(struct thread *thread)
if (nbytes < 0) {
if (errno == ENOBUFS) {
#ifdef __FreeBSD__
/*
* ENOBUFS indicates a temporary resource
* shortage and is not harmful for consistency of
* reading the routing socket. Ignore it.
*/
thread_add_read(zrouter.master, kernel_read, NULL, sock,
NULL);
return;
#else
flog_err(EC_ZEBRA_RECVMSG_OVERRUN,
"routing socket overrun: %s",
safe_strerror(errno));
@ -1363,6 +1373,7 @@ static void kernel_read(struct thread *thread)
* recover zebra at this point.
*/
exit(-1);
#endif
}
if (errno != EAGAIN && errno != EWOULDBLOCK)
flog_err_sys(EC_LIB_SOCKET, "routing socket error: %s",