xen-netfront: clean up netfront stats structure

Rename it with netfront_ prefix and purge a bunch of unused fields.

Submitted by:		Wei Liu <wei.liu2@citrix.com>
Reviewed by:		royger
Differential Revision:	https://reviews.freebsd.org/D3889
Sponsored by:		Citrix Systems R&D

diff --git a/sys/dev/xen/netfront/netfront.c b/sys/dev/xen/netfront/netfront.c
index 5ad8004dd0abcbbd8ad321ecb5ae22ece6e0ca2d..4eef5698efd17b24890318da08402419a793ef5e 100644 (file)
--- a/sys/dev/xen/netfront/netfront.c
+++ b/sys/dev/xen/netfront/netfront.c
@@ -191,7 +191,7 @@ struct xn_chain_data {
        struct mbuf    *xn_rx_chain[NET_RX_RING_SIZE+1];
 };
 
-struct net_device_stats
+struct netfront_stats
 {
        u_long  rx_packets;             /* total packets received       */
        u_long  tx_packets;             /* total packets transmitted    */
@@ -199,29 +199,6 @@ struct net_device_stats
        u_long  tx_bytes;               /* total bytes transmitted      */
        u_long  rx_errors;              /* bad packets received         */
        u_long  tx_errors;              /* packet transmit problems     */
-       u_long  rx_dropped;             /* no space in linux buffers    */
-       u_long  tx_dropped;             /* no space available in linux  */
-       u_long  multicast;              /* multicast packets received   */
-       u_long  collisions;
-
-       /* detailed rx_errors: */
-       u_long  rx_length_errors;
-       u_long  rx_over_errors;         /* receiver ring buff overflow  */
-       u_long  rx_crc_errors;          /* recved pkt with crc error    */
-       u_long  rx_frame_errors;        /* recv'd frame alignment error */
-       u_long  rx_fifo_errors;         /* recv'r fifo overrun          */
-       u_long  rx_missed_errors;       /* receiver missed packet       */
-
-       /* detailed tx_errors */
-       u_long  tx_aborted_errors;
-       u_long  tx_carrier_errors;
-       u_long  tx_fifo_errors;
-       u_long  tx_heartbeat_errors;
-       u_long  tx_window_errors;
-
-       /* for cslip etc */
-       u_long  rx_compressed;
-       u_long  tx_compressed;
 };
 
 struct netfront_info {
@@ -230,7 +207,7 @@ struct netfront_info {
        struct lro_ctrl xn_lro;
 #endif
 
-       struct net_device_stats stats;
+       struct netfront_stats stats;
        u_int tx_full;
 
        netif_tx_front_ring_t tx;