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/*
* CDDL HEADER START
*
* Copyright(c) 2007-2009 Intel Corporation. All rights reserved.
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright 2014 Pluribus Networks Inc.
*/
#include "igb_sw.h"
/*
* Update driver private statistics.
*/
static int
igb_update_stats(kstat_t *ks, int rw)
{
igb_t *igb;
struct e1000_hw *hw;
igb_stat_t *igb_ks;
uint32_t val_low, val_high;
#ifdef IGB_DEBUG
int i;
#endif
if (rw == KSTAT_WRITE)
return (EACCES);
igb = (igb_t *)ks->ks_private;
igb_ks = (igb_stat_t *)ks->ks_data;
hw = &igb->hw;
mutex_enter(&igb->gen_lock);
/*
* Basic information.
*/
igb_ks->reset_count.value.ui64 = igb->reset_count;
igb_ks->dout_sync.value.ui64 = igb->dout_sync;
#ifdef IGB_DEBUG
igb_ks->rx_frame_error.value.ui64 = 0;
igb_ks->rx_cksum_error.value.ui64 = 0;
igb_ks->rx_exceed_pkt.value.ui64 = 0;
for (i = 0; i < igb->num_rx_rings; i++) {
igb_ks->rx_frame_error.value.ui64 +=
igb->rx_rings[i].stat_frame_error;
igb_ks->rx_cksum_error.value.ui64 +=
igb->rx_rings[i].stat_cksum_error;
igb_ks->rx_exceed_pkt.value.ui64 +=
igb->rx_rings[i].stat_exceed_pkt;
}
igb_ks->tx_overload.value.ui64 = 0;
igb_ks->tx_fail_no_tbd.value.ui64 = 0;
igb_ks->tx_fail_no_tcb.value.ui64 = 0;
igb_ks->tx_fail_dma_bind.value.ui64 = 0;
igb_ks->tx_reschedule.value.ui64 = 0;
for (i = 0; i < igb->num_tx_rings; i++) {
igb_ks->tx_overload.value.ui64 +=
igb->tx_rings[i].stat_overload;
igb_ks->tx_fail_no_tbd.value.ui64 +=
igb->tx_rings[i].stat_fail_no_tbd;
igb_ks->tx_fail_no_tcb.value.ui64 +=
igb->tx_rings[i].stat_fail_no_tcb;
igb_ks->tx_fail_dma_bind.value.ui64 +=
igb->tx_rings[i].stat_fail_dma_bind;
igb_ks->tx_reschedule.value.ui64 +=
igb->tx_rings[i].stat_reschedule;
}
/*
* Hardware calculated statistics.
*/
igb_ks->gprc.value.ul += E1000_READ_REG(hw, E1000_GPRC);
igb_ks->gptc.value.ul += E1000_READ_REG(hw, E1000_GPTC);
igb_ks->prc64.value.ul += E1000_READ_REG(hw, E1000_PRC64);
igb_ks->prc127.value.ul += E1000_READ_REG(hw, E1000_PRC127);
igb_ks->prc255.value.ul += E1000_READ_REG(hw, E1000_PRC255);
igb_ks->prc511.value.ul += E1000_READ_REG(hw, E1000_PRC511);
igb_ks->prc1023.value.ul += E1000_READ_REG(hw, E1000_PRC1023);
igb_ks->prc1522.value.ul += E1000_READ_REG(hw, E1000_PRC1522);
igb_ks->ptc64.value.ul += E1000_READ_REG(hw, E1000_PTC64);
igb_ks->ptc127.value.ul += E1000_READ_REG(hw, E1000_PTC127);
igb_ks->ptc255.value.ul += E1000_READ_REG(hw, E1000_PTC255);
igb_ks->ptc511.value.ul += E1000_READ_REG(hw, E1000_PTC511);
igb_ks->ptc1023.value.ul += E1000_READ_REG(hw, E1000_PTC1023);
igb_ks->ptc1522.value.ul += E1000_READ_REG(hw, E1000_PTC1522);
/*
* The 64-bit register will reset whenever the upper
* 32 bits are read. So we need to read the lower
* 32 bits first, then read the upper 32 bits.
*/
val_low = E1000_READ_REG(hw, E1000_GORCL);
val_high = E1000_READ_REG(hw, E1000_GORCH);
igb_ks->gor.value.ui64 += (uint64_t)val_high << 32 | (uint64_t)val_low;
val_low = E1000_READ_REG(hw, E1000_GOTCL);
val_high = E1000_READ_REG(hw, E1000_GOTCH);
igb_ks->got.value.ui64 += (uint64_t)val_high << 32 | (uint64_t)val_low;
#endif
igb_ks->symerrs.value.ui64 += E1000_READ_REG(hw, E1000_SYMERRS);
igb_ks->mpc.value.ui64 += E1000_READ_REG(hw, E1000_MPC);
igb_ks->rlec.value.ui64 += E1000_READ_REG(hw, E1000_RLEC);
igb_ks->fcruc.value.ui64 += E1000_READ_REG(hw, E1000_FCRUC);
igb_ks->rfc.value.ul += E1000_READ_REG(hw, E1000_RFC);
igb_ks->tncrs.value.ul += E1000_READ_REG(hw, E1000_TNCRS);
igb_ks->tsctc.value.ul += E1000_READ_REG(hw, E1000_TSCTC);
igb_ks->tsctfc.value.ul += E1000_READ_REG(hw, E1000_TSCTFC);
igb_ks->xonrxc.value.ui64 += E1000_READ_REG(hw, E1000_XONRXC);
igb_ks->xontxc.value.ui64 += E1000_READ_REG(hw, E1000_XONTXC);
igb_ks->xoffrxc.value.ui64 += E1000_READ_REG(hw, E1000_XOFFRXC);
igb_ks->xofftxc.value.ui64 += E1000_READ_REG(hw, E1000_XOFFTXC);
mutex_exit(&igb->gen_lock);
if (igb_check_acc_handle(igb->osdep.reg_handle) != DDI_FM_OK) {
ddi_fm_service_impact(igb->dip, DDI_SERVICE_DEGRADED);
return (EIO);
}
return (0);
}
/*
* Create and initialize the driver private statistics.
*/
int
igb_init_stats(igb_t *igb)
{
kstat_t *ks;
igb_stat_t *igb_ks;
/*
* Create and init kstat
*/
ks = kstat_create(MODULE_NAME, ddi_get_instance(igb->dip),
"statistics", "net", KSTAT_TYPE_NAMED,
sizeof (igb_stat_t) / sizeof (kstat_named_t), 0);
if (ks == NULL) {
igb_error(igb,
"Could not create kernel statistics");
return (IGB_FAILURE);
}
igb->igb_ks = ks;
igb_ks = (igb_stat_t *)ks->ks_data;
/*
* Initialize all the statistics.
*/
kstat_named_init(&igb_ks->reset_count, "reset_count",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->dout_sync, "DMA_out_sync",
KSTAT_DATA_UINT64);
#ifdef IGB_DEBUG
kstat_named_init(&igb_ks->rx_frame_error, "rx_frame_error",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->rx_cksum_error, "rx_cksum_error",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->rx_exceed_pkt, "rx_exceed_pkt",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->tx_overload, "tx_overload",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->tx_fail_no_tbd, "tx_fail_no_tbd",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->tx_fail_no_tcb, "tx_fail_no_tcb",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->tx_fail_dma_bind, "tx_fail_dma_bind",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->tx_reschedule, "tx_reschedule",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->gprc, "good_pkts_recvd",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->gptc, "good_pkts_xmitd",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->gor, "good_octets_recvd",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->got, "good_octets_xmitd",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->prc64, "pkts_recvd_( 64b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->prc127, "pkts_recvd_( 65- 127b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->prc255, "pkts_recvd_( 127- 255b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->prc511, "pkts_recvd_( 256- 511b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->prc1023, "pkts_recvd_( 511-1023b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->prc1522, "pkts_recvd_(1024-1522b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->ptc64, "pkts_xmitd_( 64b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->ptc127, "pkts_xmitd_( 65- 127b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->ptc255, "pkts_xmitd_( 128- 255b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->ptc511, "pkts_xmitd_( 255- 511b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->ptc1023, "pkts_xmitd_( 512-1023b)",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->ptc1522, "pkts_xmitd_(1024-1522b)",
KSTAT_DATA_UINT64);
#endif
kstat_named_init(&igb_ks->symerrs, "recv_symbol_errors",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->mpc, "recv_missed_packets",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->rlec, "recv_length_errors",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->fcruc, "recv_unsupport_FC_pkts",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->rfc, "recv_frag",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->tncrs, "xmit_with_no_CRS",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->tsctc, "xmit_TCP_seg_contexts",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->tsctfc, "xmit_TCP_seg_contexts_fail",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->xonrxc, "XONs_recvd",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->xontxc, "XONs_xmitd",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->xoffrxc, "XOFFs_recvd",
KSTAT_DATA_UINT64);
kstat_named_init(&igb_ks->xofftxc, "XOFFs_xmitd",
KSTAT_DATA_UINT64);
/*
* Function to provide kernel stat update on demand
*/
ks->ks_update = igb_update_stats;
ks->ks_private = (void *)igb;
/*
* Add kstat to systems kstat chain
*/
kstat_install(ks);
return (IGB_SUCCESS);
}
/*
* Retrieve a value for one of the statistics for a particular rx ring
*/
int
igb_rx_ring_stat(mac_ring_driver_t rh, uint_t stat, uint64_t *val)
{
igb_rx_ring_t *rx_ring = (igb_rx_ring_t *)rh;
switch (stat) {
case MAC_STAT_RBYTES:
*val = rx_ring->rx_bytes;
break;
case MAC_STAT_IPACKETS:
*val = rx_ring->rx_pkts;
break;
default:
*val = 0;
return (ENOTSUP);
}
return (0);
}
/*
* Retrieve a value for one of the statistics for a particular tx ring
*/
int
igb_tx_ring_stat(mac_ring_driver_t rh, uint_t stat, uint64_t *val)
{
igb_tx_ring_t *tx_ring = (igb_tx_ring_t *)rh;
switch (stat) {
case MAC_STAT_OBYTES:
*val = tx_ring->tx_bytes;
break;
case MAC_STAT_OPACKETS:
*val = tx_ring->tx_pkts;
break;
default:
*val = 0;
return (ENOTSUP);
}
return (0);
}
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