oce_stat.c revision 4d0e50075058332ce0cd62bc2669a8a4dea45da0
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * CDDL HEADER START
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4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * or http://www.opensolaris.org/os/licensing.
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4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * CDDL HEADER END
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * Copyright 2009 Emulex. All rights reserved.
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * Use is subject to license terms.
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * Source file containing the implementation of the driver statistics
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * and related helper functions
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * function called by kstat to update the stats counters
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * ksp - pointer to the kstats structure
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * rw - flags defining read/write
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * return DDI_SUCCESS => success, failure otherwise
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats = (struct oce_stat *)ksp->ks_data;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan port_stats = &dev->hw_stats->params.rsp.rx.port[dev->port_id];
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * allow stats update only if enough
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * time has elapsed since last update
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan if ((new - dev->stat_ticks) >= drv_usectohz(STAT_TIMEOUT)) {
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan /* fetch the latest stats from the adapter */
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan /* update the stats */
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_bytes_lo.value.ul = port_stats->rx_bytes_lsd;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_bytes_hi.value.ul = port_stats->rx_bytes_msd;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_frames.value.ul = port_stats->rx_total_frames;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_errors.value.ul = port_stats->rx_crc_errors +
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan port_stats->rx_alignment_symbol_errors +
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_drops.value.ul = port_stats->rx_dropped_too_small +
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan port_stats->rx_dropped_header_too_small +
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->tx_bytes_lo.value.ul = port_stats->tx_bytes_lsd;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->tx_bytes_hi.value.ul = port_stats->tx_bytes_msd;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->tx_frames.value.ul = port_stats->tx_unicast_frames +
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->tx_errors.value.ul = dev->tx_errors;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_alignment_symbol_errors.value.ul =
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_address_match_errors.value.ul =
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_fifo_overflow.value.ul = port_stats->rx_fifo_overflow;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_input_fifo_overflow.value.ul =
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan} /* oce_update_stats */
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * function to setup the kstat_t structure for the device and install it
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * dev - software handle to the device
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * return DDI_SUCCESS => success, failure otherwise
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan uint32_t num_stats = sizeof (struct oce_stat) /
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan /* allocate the kstat */
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan dev->oce_kstats = kstat_create(OCE_MOD_NAME, dev->dev_id, "stats",
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "kstat creation failed: 0x%p",
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan /* allocate the device copy of the stats */
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan dev->stats_dbuf = oce_alloc_dma_buffer(dev,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "Could not allocate stats_dbuf: %p",
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan dev->hw_stats = (struct mbx_get_nic_stats *)DBUF_VA(dev->stats_dbuf);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan /* initialize the counters */
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats = (struct oce_stat *)dev->oce_kstats->ks_data;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_bytes_hi, "rx bytes msd", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_bytes_lo, "rx bytes lsd", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_frames, "rx frames", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_errors, "rx errors", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_drops, "rx drops", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->tx_bytes_hi, "tx bytes msd", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->tx_bytes_lo, "tx bytes lsd", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->tx_frames, "tx frames", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->tx_errors, "tx errors", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_unicast_frames,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_multicast_frames,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "rx multicast frames", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_broadcast_frames,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "rx broadcast frames", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_alignment_symbol_errors,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "rx alignment symbol errors", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_in_range_errors,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "rx in range errors", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_out_range_errors,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "rx out range errors", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_frame_too_long,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_address_match_errors,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "rx address match errors", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_pause_frames,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_control_frames,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_ip_checksum_errs,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "rx ip checksum errors", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_tcp_checksum_errs,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "rx tcp checksum errors", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_udp_checksum_errs,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "rx udp checksum errors", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_fifo_overflow,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->rx_input_fifo_overflow,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "rx input fifo overflow", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->tx_unicast_frames,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->tx_multicast_frames,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "tx multicast frames", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->tx_broadcast_frames,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan "tx broadcast frames", KSTAT_DATA_ULONG);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->tx_pause_frames,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan kstat_named_init(&stats->tx_control_frames,
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan dev->oce_kstats->ks_update = oce_update_stats;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan dev->oce_kstats->ks_private = (void *)dev;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan} /* oce_stat_init */
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * function to undo initialization done in oce_stat_init
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * dev - software handle to the device
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan oce_free_dma_buffer(dev, dev->stats_dbuf);
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan} /* oce_stat_fini */
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * GLDv3 entry for statistic query
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathanoce_m_stat(void *arg, uint_t stat, uint64_t *val)
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats = (struct oce_stat *)dev->oce_kstats->ks_data;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan port_stats = &dev->hw_stats->params.rsp.rx.port[dev->port_id];
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * allow stats update only if enough
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan * time has elapsed since last update
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan if ((new - dev->stat_ticks) >= drv_usectohz(STAT_TIMEOUT)) {
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan /* update hw stats. Required for netstat */
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_bytes_lo.value.ul = port_stats->rx_bytes_lsd;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_bytes_hi.value.ul = port_stats->rx_bytes_msd;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan *val = (uint64_t)stats->rx_bytes_hi.value.ul << 32 |
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_frames.value.ul = port_stats->rx_total_frames;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->tx_bytes_lo.value.ul = port_stats->tx_bytes_lsd;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->tx_bytes_hi.value.ul = port_stats->tx_bytes_msd;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan *val = (uint64_t)stats->tx_bytes_hi.value.ul << 32 |
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->tx_frames.value.ul = port_stats->tx_unicast_frames +
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan *val = stats->rx_broadcast_frames.value.ul;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan *val = stats->rx_multicast_frames.value.ul;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan *val = stats->tx_multicast_frames.value.ul;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan *val = stats->tx_broadcast_frames.value.ul;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan *val = stats->rx_fifo_overflow.value.ul;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_errors.value.ul = port_stats->rx_crc_errors +
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan port_stats->rx_alignment_symbol_errors +
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_alignment_symbol_errors.value.ul =
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan *val = port_stats->rx_alignment_symbol_errors;
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan stats->rx_errors.value.ul = port_stats->rx_crc_errors +
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan port_stats->rx_alignment_symbol_errors +
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan else if (dev->flow_control == OCE_FC_TX)
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan else if (dev->flow_control == OCE_FC_RX)
4d0e50075058332ce0cd62bc2669a8a4dea45da0Sukumar Swaminathan} /* oce_m_stat */