When devices are created, they are announced using RTM_IFANNOUNCE messages using
PF_ROUTE.
Signed-off-by: Thadeu Lima de Souza Cascardo <casca...@redhat.com>
---
lib/rtbsd.c | 24 +++++++++++++++++++++---
1 file changed, 21 insertions(+), 3 deletions(-)
diff --git a/lib/rtbsd.c b/lib/rtbsd.c
index 8fc88e4..33fb9fd 100644
--- a/lib/rtbsd.c
+++ b/lib/rtbsd.c
@@ -124,8 +124,15 @@ rtbsd_notifier_run(void)
if (retval >= 0) {
/* received packet from PF_ROUTE socket
* XXX check for bad packets */
- if (msg.ifm_type == RTM_IFINFO) {
+ switch (msg.ifm_type) {
+ case RTM_IFINFO:
+ /* Since RTM_IFANNOUNCE messages are smaller than RTM_IFINFO
+ * messages, the same buffer may be used. */
+ case RTM_IFANNOUNCE:
rtbsd_report_change(&msg);
+ break;
+ default:
+ break;
}
} else if (errno == EAGAIN) {
ovs_mutex_unlock(&rtbsd_mutex);
@@ -161,14 +168,25 @@ rtbsd_report_change(const struct if_msghdr *msg)
{
struct rtbsd_notifier *notifier;
struct rtbsd_change change;
+ const struct if_announcemsghdr *ahdr;
COVERAGE_INC(rtbsd_changed);
change.msg_type = msg->ifm_type; //XXX
- change.if_index = msg->ifm_index;
- if_indextoname(msg->ifm_index, change.if_name);
change.master_ifindex = 0; //XXX
+ switch (msg->ifm_type) {
+ case RTM_IFINFO:
+ change.if_index = msg->ifm_index;
+ if_indextoname(msg->ifm_index, change.if_name);
+ break;
+ case RTM_IFANNOUNCE:
+ ahdr = (const struct if_announcemsghdr *) msg;
+ change.if_index = ahdr->ifan_index;
+ strncpy(change.if_name, ahdr->ifan_name, IF_NAMESIZE);
+ break;
+ }
+
LIST_FOR_EACH (notifier, node, &all_notifiers) {
notifier->cb(&change, notifier->aux);
}
--
2.4.2
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