| if_bge.c (154292) | if_bge.c (154492) |
|---|---|
| 1/*- 2 * Copyright (c) 2001 Wind River Systems 3 * Copyright (c) 1997, 1998, 1999, 2001 4 * Bill Paul <wpaul@windriver.com>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 18 unchanged lines hidden (view full) --- 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2001 Wind River Systems 3 * Copyright (c) 1997, 1998, 1999, 2001 4 * Bill Paul <wpaul@windriver.com>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 18 unchanged lines hidden (view full) --- 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> |
| 35__FBSDID("$FreeBSD: head/sys/dev/bge/if_bge.c 154292 2006-01-13 08:59:40Z oleg $"); | 35__FBSDID("$FreeBSD: head/sys/dev/bge/if_bge.c 154492 2006-01-17 23:01:58Z oleg $"); |
| 36 37/* 38 * Broadcom BCM570x family gigabit ethernet driver for FreeBSD. 39 * 40 * The Broadcom BCM5700 is based on technology originally developed by 41 * Alteon Networks as part of the Tigon I and Tigon II gigabit ethernet 42 * MAC chips. The BCM5700, sometimes refered to as the Tigon III, has 43 * two on-board MIPS R4000 CPUs and can have as much as 16MB of external --- 2813 unchanged lines hidden (view full) --- 2857 2858static void 2859bge_stats_update_regs(sc) 2860 struct bge_softc *sc; 2861{ 2862 struct ifnet *ifp; 2863 struct bge_mac_stats_regs stats; 2864 u_int32_t *s; | 36 37/* 38 * Broadcom BCM570x family gigabit ethernet driver for FreeBSD. 39 * 40 * The Broadcom BCM5700 is based on technology originally developed by 41 * Alteon Networks as part of the Tigon I and Tigon II gigabit ethernet 42 * MAC chips. The BCM5700, sometimes refered to as the Tigon III, has 43 * two on-board MIPS R4000 CPUs and can have as much as 16MB of external --- 2813 unchanged lines hidden (view full) --- 2857 2858static void 2859bge_stats_update_regs(sc) 2860 struct bge_softc *sc; 2861{ 2862 struct ifnet *ifp; 2863 struct bge_mac_stats_regs stats; 2864 u_int32_t *s; |
| 2865 u_long cnt; /* current register value */ |
|
| 2865 int i; 2866 2867 ifp = sc->bge_ifp; 2868 2869 s = (u_int32_t *)&stats; 2870 for (i = 0; i < sizeof(struct bge_mac_stats_regs); i += 4) { 2871 *s = CSR_READ_4(sc, BGE_RX_STATS + i); 2872 s++; 2873 } 2874 | 2866 int i; 2867 2868 ifp = sc->bge_ifp; 2869 2870 s = (u_int32_t *)&stats; 2871 for (i = 0; i < sizeof(struct bge_mac_stats_regs); i += 4) { 2872 *s = CSR_READ_4(sc, BGE_RX_STATS + i); 2873 s++; 2874 } 2875 |
| 2875 ifp->if_collisions += 2876 (stats.dot3StatsSingleCollisionFrames + 2877 stats.dot3StatsMultipleCollisionFrames + 2878 stats.dot3StatsExcessiveCollisions + 2879 stats.dot3StatsLateCollisions) - 2880 ifp->if_collisions; 2881 2882 return; | 2876 cnt = stats.dot3StatsSingleCollisionFrames + 2877 stats.dot3StatsMultipleCollisionFrames + 2878 stats.dot3StatsExcessiveCollisions + 2879 stats.dot3StatsLateCollisions; 2880 ifp->if_collisions += cnt >= sc->bge_tx_collisions ? 2881 cnt - sc->bge_tx_collisions : cnt; 2882 sc->bge_tx_collisions = cnt; |
| 2883} 2884 2885static void 2886bge_stats_update(sc) 2887 struct bge_softc *sc; 2888{ 2889 struct ifnet *ifp; 2890 bus_size_t stats; | 2883} 2884 2885static void 2886bge_stats_update(sc) 2887 struct bge_softc *sc; 2888{ 2889 struct ifnet *ifp; 2890 bus_size_t stats; |
| 2891 u_long cnt; /* current register value */ |
|
| 2891 2892 ifp = sc->bge_ifp; 2893 2894 stats = BGE_MEMWIN_START + BGE_STATS_BLOCK; 2895 2896#define READ_STAT(sc, stats, stat) \ 2897 CSR_READ_4(sc, stats + offsetof(struct bge_stats, stat)) 2898 | 2892 2893 ifp = sc->bge_ifp; 2894 2895 stats = BGE_MEMWIN_START + BGE_STATS_BLOCK; 2896 2897#define READ_STAT(sc, stats, stat) \ 2898 CSR_READ_4(sc, stats + offsetof(struct bge_stats, stat)) 2899 |
| 2899 ifp->if_collisions += 2900 (READ_STAT(sc, stats, 2901 txstats.dot3StatsSingleCollisionFrames.bge_addr_lo) + 2902 READ_STAT(sc, stats, 2903 txstats.dot3StatsMultipleCollisionFrames.bge_addr_lo) + 2904 READ_STAT(sc, stats, 2905 txstats.dot3StatsExcessiveCollisions.bge_addr_lo) + 2906 READ_STAT(sc, stats, 2907 txstats.dot3StatsLateCollisions.bge_addr_lo)) - 2908 ifp->if_collisions; | 2900 cnt = READ_STAT(sc, stats, 2901 txstats.dot3StatsSingleCollisionFrames.bge_addr_lo); 2902 cnt += READ_STAT(sc, stats, 2903 txstats.dot3StatsMultipleCollisionFrames.bge_addr_lo); 2904 cnt += READ_STAT(sc, stats, 2905 txstats.dot3StatsExcessiveCollisions.bge_addr_lo); 2906 cnt += READ_STAT(sc, stats, 2907 txstats.dot3StatsLateCollisions.bge_addr_lo); 2908 ifp->if_collisions += cnt >= sc->bge_tx_collisions ? 2909 cnt - sc->bge_tx_collisions : cnt; 2910 sc->bge_tx_collisions = cnt; |
| 2909 | 2911 |
| 2910#undef READ_STAT | 2912 cnt = READ_STAT(sc, stats, ifInDiscards.bge_addr_lo); 2913 ifp->if_ierrors += cnt >= sc->bge_rx_discards ? 2914 cnt - sc->bge_rx_discards : cnt; 2915 sc->bge_rx_discards = cnt; |
| 2911 | 2916 |
| 2912#ifdef notdef 2913 ifp->if_collisions += 2914 (sc->bge_rdata->bge_info.bge_stats.dot3StatsSingleCollisionFrames + 2915 sc->bge_rdata->bge_info.bge_stats.dot3StatsMultipleCollisionFrames + 2916 sc->bge_rdata->bge_info.bge_stats.dot3StatsExcessiveCollisions + 2917 sc->bge_rdata->bge_info.bge_stats.dot3StatsLateCollisions) - 2918 ifp->if_collisions; 2919#endif | 2917 cnt = READ_STAT(sc, stats, txstats.ifOutDiscards.bge_addr_lo); 2918 ifp->if_oerrors += cnt >= sc->bge_tx_discards ? 2919 cnt - sc->bge_tx_discards : cnt; 2920 sc->bge_tx_discards = cnt; |
| 2920 | 2921 |
| 2921 return; | 2922#undef READ_STAT |
| 2922} 2923 2924/* 2925 * Pad outbound frame to ETHER_MIN_NOPAD for an unusual reason. 2926 * The bge hardware will pad out Tx runts to ETHER_MIN_NOPAD, 2927 * but when such padded frames employ the bge IP/TCP checksum offload, 2928 * the hardware checksum assist gives incorrect results (possibly 2929 * from incorporating its own padding into the UDP/TCP checksum; who knows). --- 902 unchanged lines hidden --- | 2923} 2924 2925/* 2926 * Pad outbound frame to ETHER_MIN_NOPAD for an unusual reason. 2927 * The bge hardware will pad out Tx runts to ETHER_MIN_NOPAD, 2928 * but when such padded frames employ the bge IP/TCP checksum offload, 2929 * the hardware checksum assist gives incorrect results (possibly 2930 * from incorporating its own padding into the UDP/TCP checksum; who knows). --- 902 unchanged lines hidden --- |