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authorAlexander Ivanov <alexander.ivanov@virtuozzo.com>2022-10-17 09:28:25 +0200
committerKonstantin Kostiuk <kkostiuk@redhat.com>2022-10-26 20:35:07 +0300
commitffb01cc5d6698855103d57281ddfe94b1f3fa3d4 (patch)
tree219ae0399fd547f0fcfc8eeba18b5c6d5079884b
parenta1241094223d69d72bebc5ed7a5f6f57cbc7986c (diff)
qga: Add HW address getting for FreeBSD
Replace a dumb function in commands-bsd.c by the code of HW address getting. Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com> Signed-off-by: Konstantin Kostiuk <kkostiuk@redhat.com>
-rw-r--r--qga/commands-bsd.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/qga/commands-bsd.c b/qga/commands-bsd.c
index ebf0fb8b0f..15cade2d4c 100644
--- a/qga/commands-bsd.c
+++ b/qga/commands-bsd.c
@@ -20,6 +20,8 @@
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
+#include <net/if_dl.h>
+#include <net/ethernet.h>
#include <paths.h>
#if defined(CONFIG_FSFREEZE) || defined(CONFIG_FSTRIM)
@@ -179,7 +181,20 @@ GuestCpuStatsList *qmp_guest_get_cpustats(Error **errp)
bool guest_get_hw_addr(struct ifaddrs *ifa, unsigned char *buf,
bool *obtained, Error **errp)
{
+ struct sockaddr_dl *sdp;
+
*obtained = false;
+
+ if (ifa->ifa_addr->sa_family != AF_LINK) {
+ /* We can get HW address only for AF_LINK family. */
+ g_debug("failed to get MAC address of %s", ifa->ifa_name);
+ return true;
+ }
+
+ sdp = (struct sockaddr_dl *)ifa->ifa_addr;
+ memcpy(buf, sdp->sdl_data + sdp->sdl_nlen, ETHER_ADDR_LEN);
+ *obtained = true;
+
return true;
}
#endif /* HAVE_GETIFADDRS */