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rtbsd: support RTM_IFANNOUNCE messages

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When devices are created, they are announced using RTM_IFANNOUNCE messages using
PF_ROUTE.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Thadeu Lima de Souza Cascardo
2015-07-31 14:35:01 -03:00
committed by Ben Pfaff
parent 42d47927fc
commit f5fb24db56
1 changed files with 21 additions and 3 deletions
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24
lib/rtbsd.c
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@@ -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);
}