diff options
Diffstat (limited to 'zebra/kernel_netlink.c')
| -rw-r--r-- | zebra/kernel_netlink.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/zebra/kernel_netlink.c b/zebra/kernel_netlink.c index 16c94b7482..ad0d4bf56b 100644 --- a/zebra/kernel_netlink.c +++ b/zebra/kernel_netlink.c @@ -1453,6 +1453,15 @@ void kernel_init(struct zebra_ns *zns) if (ret < 0) zlog_notice("Registration for extended dp ACK failed : %d %s", errno, safe_strerror(errno)); + + /* + * Trim off the payload of the original netlink message in the + * acknowledgment. This option is available since Linux 4.2, so if + * setsockopt fails, ignore the error. + */ + one = 1; + ret = setsockopt(zns->netlink_dplane.sock, SOL_NETLINK, NETLINK_CAP_ACK, + &one, sizeof(one)); #endif /* Register kernel socket. */ @@ -1469,8 +1478,11 @@ void kernel_init(struct zebra_ns *zns) zns->netlink_dplane.name, safe_strerror(errno), errno); /* Set receive buffer size if it's set from command line */ - if (nl_rcvbufsize) + if (nl_rcvbufsize) { netlink_recvbuf(&zns->netlink, nl_rcvbufsize); + netlink_recvbuf(&zns->netlink_cmd, nl_rcvbufsize); + netlink_recvbuf(&zns->netlink_dplane, nl_rcvbufsize); + } netlink_install_filter(zns->netlink.sock, zns->netlink_cmd.snl.nl_pid, |