[ovs-dev] [PATCH 04/13] netdev-bsd: NetBSD: keep a AF_LINK socket open

[yamt at mwd.biglobe.ne.jp]

From: YAMAMOTO Takashi <yamt at mwd.biglobe.ne.jp>

this will be used for get_stats and set_etheraddr

Signed-off-by: YAMAMOTO Takashi <yamt at mwd.biglobe.ne.jp>
---
 lib/netdev-bsd.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/netdev-bsd.c b/lib/netdev-bsd.c
index 06f5fdf..3e91261 100644
--- a/lib/netdev-bsd.c
+++ b/lib/netdev-bsd.c
@@ -105,6 +105,11 @@ enum {
 /* An AF_INET socket (used for ioctl operations). */
 static int af_inet_sock = -1;
 
+#if defined(__NetBSD__)
+/* AF_LINK socket used for netdev_bsd_get_stats and set_etheraddr */
+static int af_link_sock = -1;
+#endif /* defined(__NetBSD__) */
+
 #define PCAP_SNAPLEN 2048
 
 
@@ -176,9 +181,17 @@ netdev_bsd_init(void)
 
     af_inet_sock = socket(AF_INET, SOCK_DGRAM, 0);
     status = af_inet_sock >= 0 ? 0 : errno;
-
     if (status) {
         VLOG_ERR("failed to create inet socket: %s", strerror(status));
+        return status;
+    }
+
+    af_link_sock = socket(AF_LINK, SOCK_DGRAM, 0);
+    status = af_link_sock >= 0 ? 0 : errno;
+    if (status) {
+        VLOG_ERR("failed to create link socket: %s", strerror(status));
+        close(af_inet_sock);
+        af_inet_sock = -1;
     }
 
     return status;
-- 
1.8.0.1