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https://github.com/freebsd/freebsd-src
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Implement hardware MAC statistics counter support. The counters
could be accessed with dev.ste.0.stats sysctl node.
This commit is contained in:
Pyun YongHyeon
parent
84918f5bc8
commit
8657caa66b
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=200910
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@ -125,8 +125,10 @@ static int ste_rxeof(struct ste_softc *, int);
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static void ste_rxfilter(struct ste_softc *);
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static void ste_start(struct ifnet *);
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static void ste_start_locked(struct ifnet *);
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static void ste_stats_clear(struct ste_softc *);
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static void ste_stats_update(struct ste_softc *);
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static void ste_stop(struct ste_softc *);
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static void ste_sysctl_node(struct ste_softc *);
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static void ste_tick(void *);
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static void ste_txeoc(struct ste_softc *);
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static void ste_txeof(struct ste_softc *);
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@ -922,17 +924,75 @@ ste_txeof(struct ste_softc *sc)
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sc->ste_timer = 0;
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}
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static void
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ste_stats_clear(struct ste_softc *sc)
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{
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STE_LOCK_ASSERT(sc);
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/* Rx stats. */
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CSR_READ_2(sc, STE_STAT_RX_OCTETS_LO);
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CSR_READ_2(sc, STE_STAT_RX_OCTETS_HI);
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CSR_READ_2(sc, STE_STAT_RX_FRAMES);
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CSR_READ_1(sc, STE_STAT_RX_BCAST);
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CSR_READ_1(sc, STE_STAT_RX_MCAST);
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CSR_READ_1(sc, STE_STAT_RX_LOST);
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/* Tx stats. */
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CSR_READ_2(sc, STE_STAT_TX_OCTETS_LO);
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CSR_READ_2(sc, STE_STAT_TX_OCTETS_HI);
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CSR_READ_2(sc, STE_STAT_TX_FRAMES);
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CSR_READ_1(sc, STE_STAT_TX_BCAST);
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CSR_READ_1(sc, STE_STAT_TX_MCAST);
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CSR_READ_1(sc, STE_STAT_CARRIER_ERR);
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CSR_READ_1(sc, STE_STAT_SINGLE_COLLS);
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CSR_READ_1(sc, STE_STAT_MULTI_COLLS);
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CSR_READ_1(sc, STE_STAT_LATE_COLLS);
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CSR_READ_1(sc, STE_STAT_TX_DEFER);
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CSR_READ_1(sc, STE_STAT_TX_EXDEFER);
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CSR_READ_1(sc, STE_STAT_TX_ABORT);
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}
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static void
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ste_stats_update(struct ste_softc *sc)
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{
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struct ifnet *ifp;
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struct ste_hw_stats *stats;
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uint32_t val;
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STE_LOCK_ASSERT(sc);
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ifp = sc->ste_ifp;
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ifp->if_collisions += CSR_READ_1(sc, STE_LATE_COLLS)
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+ CSR_READ_1(sc, STE_MULTI_COLLS)
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+ CSR_READ_1(sc, STE_SINGLE_COLLS);
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stats = &sc->ste_stats;
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/* Rx stats. */
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val = (uint32_t)CSR_READ_2(sc, STE_STAT_RX_OCTETS_LO) |
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((uint32_t)CSR_READ_2(sc, STE_STAT_RX_OCTETS_HI)) << 16;
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val &= 0x000FFFFF;
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stats->rx_bytes += val;
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stats->rx_frames += CSR_READ_2(sc, STE_STAT_RX_FRAMES);
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stats->rx_bcast_frames += CSR_READ_1(sc, STE_STAT_RX_BCAST);
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stats->rx_mcast_frames += CSR_READ_1(sc, STE_STAT_RX_MCAST);
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stats->rx_lost_frames += CSR_READ_1(sc, STE_STAT_RX_LOST);
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/* Tx stats. */
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val = (uint32_t)CSR_READ_2(sc, STE_STAT_TX_OCTETS_LO) |
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((uint32_t)CSR_READ_2(sc, STE_STAT_TX_OCTETS_HI)) << 16;
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val &= 0x000FFFFF;
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stats->tx_bytes += val;
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stats->tx_frames += CSR_READ_2(sc, STE_STAT_TX_FRAMES);
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stats->tx_bcast_frames += CSR_READ_1(sc, STE_STAT_TX_BCAST);
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stats->tx_mcast_frames += CSR_READ_1(sc, STE_STAT_TX_MCAST);
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stats->tx_carrsense_errs += CSR_READ_1(sc, STE_STAT_CARRIER_ERR);
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val = CSR_READ_1(sc, STE_STAT_SINGLE_COLLS);
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stats->tx_single_colls += val;
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ifp->if_collisions += val;
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val = CSR_READ_1(sc, STE_STAT_MULTI_COLLS);
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stats->tx_multi_colls += val;
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ifp->if_collisions += val;
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val += CSR_READ_1(sc, STE_STAT_LATE_COLLS);
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stats->tx_late_colls += val;
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ifp->if_collisions += val;
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stats->tx_frames_defered += CSR_READ_1(sc, STE_STAT_TX_DEFER);
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stats->tx_excess_defers += CSR_READ_1(sc, STE_STAT_TX_EXDEFER);
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stats->tx_abort += CSR_READ_1(sc, STE_STAT_TX_ABORT);
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}
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/*
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@ -1032,6 +1092,7 @@ ste_attach(device_t dev)
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error = ENXIO;;
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goto fail;
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}
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ste_sysctl_node(sc);
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if ((error = ste_dma_alloc(sc)) != 0)
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goto fail;
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@ -1625,6 +1686,8 @@ ste_init_locked(struct ste_softc *sc)
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/* Enable stats counters. */
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STE_SETBIT2(sc, STE_MACCTL1, STE_MACCTL1_STATS_ENABLE);
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/* Clear stats counters. */
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ste_stats_clear(sc);
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CSR_WRITE_2(sc, STE_ISR, 0xFFFF);
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#ifdef DEVICE_POLLING
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@ -2013,3 +2076,70 @@ ste_shutdown(device_t dev)
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return (0);
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}
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#define STE_SYSCTL_STAT_ADD32(c, h, n, p, d) \
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SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d)
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#define STE_SYSCTL_STAT_ADD64(c, h, n, p, d) \
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SYSCTL_ADD_QUAD(c, h, OID_AUTO, n, CTLFLAG_RD, p, d)
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static void
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ste_sysctl_node(struct ste_softc *sc)
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{
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struct sysctl_ctx_list *ctx;
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struct sysctl_oid_list *child, *parent;
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struct sysctl_oid *tree;
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struct ste_hw_stats *stats;
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stats = &sc->ste_stats;
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ctx = device_get_sysctl_ctx(sc->ste_dev);
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child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ste_dev));
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tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
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NULL, "STE statistics");
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parent = SYSCTL_CHILDREN(tree);
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/* Rx statistics. */
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tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx", CTLFLAG_RD,
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NULL, "Rx MAC statistics");
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child = SYSCTL_CHILDREN(tree);
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STE_SYSCTL_STAT_ADD64(ctx, child, "good_octets",
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&stats->rx_bytes, "Good octets");
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STE_SYSCTL_STAT_ADD32(ctx, child, "good_frames",
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&stats->rx_frames, "Good frames");
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STE_SYSCTL_STAT_ADD32(ctx, child, "good_bcast_frames",
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&stats->rx_bcast_frames, "Good broadcast frames");
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STE_SYSCTL_STAT_ADD32(ctx, child, "good_mcast_frames",
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&stats->rx_mcast_frames, "Good multicast frames");
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STE_SYSCTL_STAT_ADD32(ctx, child, "lost_frames",
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&stats->rx_lost_frames, "Lost frames");
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/* Tx statistics. */
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tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "tx", CTLFLAG_RD,
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NULL, "Tx MAC statistics");
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child = SYSCTL_CHILDREN(tree);
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STE_SYSCTL_STAT_ADD64(ctx, child, "good_octets",
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&stats->tx_bytes, "Good octets");
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STE_SYSCTL_STAT_ADD32(ctx, child, "good_frames",
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&stats->tx_frames, "Good frames");
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STE_SYSCTL_STAT_ADD32(ctx, child, "good_bcast_frames",
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&stats->tx_bcast_frames, "Good broadcast frames");
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STE_SYSCTL_STAT_ADD32(ctx, child, "good_mcast_frames",
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&stats->tx_mcast_frames, "Good multicast frames");
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STE_SYSCTL_STAT_ADD32(ctx, child, "carrier_errs",
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&stats->tx_carrsense_errs, "Carrier sense errors");
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STE_SYSCTL_STAT_ADD32(ctx, child, "single_colls",
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&stats->tx_single_colls, "Single collisions");
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STE_SYSCTL_STAT_ADD32(ctx, child, "multi_colls",
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&stats->tx_multi_colls, "Multiple collisions");
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STE_SYSCTL_STAT_ADD32(ctx, child, "late_colls",
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&stats->tx_late_colls, "Late collisions");
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STE_SYSCTL_STAT_ADD32(ctx, child, "defers",
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&stats->tx_frames_defered, "Frames with deferrals");
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STE_SYSCTL_STAT_ADD32(ctx, child, "excess_defers",
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&stats->tx_excess_defers, "Frames with excessive derferrals");
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STE_SYSCTL_STAT_ADD32(ctx, child, "abort",
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&stats->tx_abort, "Aborted frames due to Excessive collisions");
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}
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#undef STE_SYSCTL_STAT_ADD32
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#undef STE_SYSCTL_STAT_ADD64
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@ -92,11 +92,25 @@
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#define STE_MAR1 0x62
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#define STE_MAR2 0x64
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#define STE_MAR3 0x66
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#define STE_STATS 0x68
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#define STE_LATE_COLLS 0x75
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#define STE_MULTI_COLLS 0x76
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#define STE_SINGLE_COLLS 0x77
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#define STE_STAT_RX_OCTETS_LO 0x68
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#define STE_STAT_RX_OCTETS_HI 0x6A
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#define STE_STAT_TX_OCTETS_LO 0x6C
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#define STE_STAT_TX_OCTETS_HI 0x6E
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#define STE_STAT_TX_FRAMES 0x70
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#define STE_STAT_RX_FRAMES 0x72
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#define STE_STAT_CARRIER_ERR 0x74
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#define STE_STAT_LATE_COLLS 0x75
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#define STE_STAT_MULTI_COLLS 0x76
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#define STE_STAT_SINGLE_COLLS 0x77
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#define STE_STAT_TX_DEFER 0x78
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#define STE_STAT_RX_LOST 0x79
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#define STE_STAT_TX_EXDEFER 0x7A
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#define STE_STAT_TX_ABORT 0x7B
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#define STE_STAT_TX_BCAST 0x7C
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#define STE_STAT_RX_BCAST 0x7D
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#define STE_STAT_TX_MCAST 0x7E
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#define STE_STAT_RX_MCAST 0x7F
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#define STE_DMACTL_RXDMA_STOPPED 0x00000001
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#define STE_DMACTL_TXDMA_CMPREQ 0x00000002
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@ -388,24 +402,23 @@
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#define STE_PME_EN 0x0010
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#define STE_PME_STATUS 0x8000
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struct ste_stats {
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uint32_t ste_rx_bytes;
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uint32_t ste_tx_bytes;
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uint16_t ste_tx_frames;
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uint16_t ste_rx_frames;
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uint8_t ste_carrsense_errs;
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uint8_t ste_late_colls;
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uint8_t ste_multi_colls;
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uint8_t ste_single_colls;
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uint8_t ste_tx_frames_defered;
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uint8_t ste_rx_lost_frames;
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uint8_t ste_tx_excess_defers;
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uint8_t ste_tx_abort_excess_colls;
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uint8_t ste_tx_bcast_frames;
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uint8_t ste_rx_bcast_frames;
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uint8_t ste_tx_mcast_frames;
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uint8_t ste_rx_mcast_frames;
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struct ste_hw_stats {
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uint64_t rx_bytes;
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uint32_t rx_frames;
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uint32_t rx_bcast_frames;
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uint32_t rx_mcast_frames;
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uint32_t rx_lost_frames;
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uint64_t tx_bytes;
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uint32_t tx_frames;
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uint32_t tx_bcast_frames;
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uint32_t tx_mcast_frames;
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uint32_t tx_carrsense_errs;
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uint32_t tx_single_colls;
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uint32_t tx_multi_colls;
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uint32_t tx_late_colls;
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uint32_t tx_frames_defered;
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uint32_t tx_excess_defers;
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uint32_t tx_abort;
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};
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struct ste_frag {
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@ -566,6 +579,7 @@ struct ste_softc {
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struct ste_list_data ste_ldata;
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struct ste_chain_data ste_cdata;
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struct callout ste_callout;
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struct ste_hw_stats ste_stats;
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struct mtx ste_mtx;
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};
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