[ovs-dev] [PATCH 16/18] implement get_stats for NetBSD

[YAMAMOTO Takashi]

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

Signed-off-by: YAMAMOTO Takashi <yamamoto at valinux.co.jp>
---
 lib/netdev-bsd.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 49 insertions(+), 4 deletions(-)

diff --git a/lib/netdev-bsd.c b/lib/netdev-bsd.c
index 615a26f..1cb1d8b 100644
--- a/lib/netdev-bsd.c
+++ b/lib/netdev-bsd.c
@@ -890,7 +890,7 @@ netdev_bsd_get_carrier(const struct netdev *netdev_, bool *carrier)
 
 /* Retrieves current device stats for 'netdev'. */
 static int
-netdev_bsd_get_stats(const struct netdev *netdev_ __attribute__((__unused__)), struct netdev_stats *stats)
+netdev_bsd_get_stats(const struct netdev *netdev_, struct netdev_stats *stats)
 {
 #if defined(__FreeBSD__)
     int if_count, i;
@@ -951,10 +951,55 @@ netdev_bsd_get_stats(const struct netdev *netdev_ __attribute__((__unused__)), s
     }
 
     return 0;
-#else
-    /* XXXnotyet */
-    memset(stats, 0, sizeof(*stats));
+#elif defined(__NetBSD__)
+    struct netdev_dev_bsd *netdev_dev =
+        netdev_dev_bsd_cast(netdev_get_dev(netdev_));
+    struct ifdatareq ifdr;
+    struct if_data *ifd;
+    int saved_errno;
+    int s;
+    int ret;
+
+    s = socket(AF_LINK, SOCK_DGRAM, 0);
+    if (s == -1) {
+        return errno;
+    }
+    memset(&ifdr, 0, sizeof(ifdr));
+    strncpy(ifdr.ifdr_name, netdev_dev->kernel_name, sizeof(ifdr.ifdr_name));
+    ret = ioctl(s, SIOCGIFDATA, &ifdr);
+    saved_errno = errno;
+    close(s);
+    if (ret == -1) {
+        return saved_errno;
+    }
+    ifd = &ifdr.ifdr_data;
+    /*
+     * note: UINT64_MAX means unsupported
+     */
+    stats->rx_packets = ifd->ifi_ipackets;
+    stats->tx_packets = ifd->ifi_opackets;
+    stats->rx_bytes = ifd->ifi_obytes;
+    stats->tx_bytes = ifd->ifi_ibytes;
+    stats->rx_errors = ifd->ifi_ierrors;
+    stats->tx_errors = ifd->ifi_oerrors;
+    stats->rx_dropped = ifd->ifi_iqdrops;
+    stats->tx_dropped = UINT64_MAX;
+    stats->multicast = ifd->ifi_imcasts;
+    stats->collisions = ifd->ifi_collisions;
+    stats->rx_length_errors = UINT64_MAX;
+    stats->rx_over_errors = UINT64_MAX;
+    stats->rx_crc_errors = UINT64_MAX;
+    stats->rx_frame_errors = UINT64_MAX;
+    stats->rx_fifo_errors = UINT64_MAX;
+    stats->rx_missed_errors = UINT64_MAX;
+    stats->tx_aborted_errors = UINT64_MAX;
+    stats->tx_carrier_errors = UINT64_MAX;
+    stats->tx_fifo_errors = UINT64_MAX;
+    stats->tx_heartbeat_errors = UINT64_MAX;
+    stats->tx_window_errors = UINT64_MAX;
     return 0;
+#else
+#error not implemented
 #endif
 }
 
-- 
1.7.12