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liquidio: New statistics support

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This patch adds extensive support of statistics for data path,
control path and firmware.

Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <rvatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Raghu Vatsavayi 2016-06-21 22:53:11 -07:00 committed by David S. Miller
parent 78e6a9b4a4
commit 1f164717cb
6 changed files with 595 additions and 72 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

588
drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
View File

@ -40,6 +40,8 @@
#include "cn68xx_device.h"
#include "liquidio_image.h"
static int octnet_get_link_stats(struct net_device *netdev);
struct oct_mdio_cmd_context {
int octeon_id;
wait_queue_head_t wc;
@ -77,28 +79,109 @@ enum {
#define OCT_ETHTOOL_REGDUMP_LEN 4096
#define OCT_ETHTOOL_REGSVER 1
static const char oct_iq_stats_strings[][ETH_GSTRING_LEN] = {
"Instr posted",
"Instr processed",
"Instr dropped",
"Bytes Sent",
"Sgentry_sent",
"Inst cntreg",
"Tx done",
"Tx Iq busy",
"Tx dropped",
"Tx bytes",
/* statistics of PF */
static const char oct_stats_strings[][ETH_GSTRING_LEN] = {
"rx_packets",
"tx_packets",
"rx_bytes",
"tx_bytes",
"rx_errors", /*jabber_err+l2_err+frame_err */
"tx_errors", /*fw_err_pko+fw_err_link+fw_err_drop */
"rx_dropped", /*st->fromwire.total_rcvd - st->fromwire.fw_total_rcvd
*+st->fromwire.dmac_drop + st->fromwire.fw_err_drop
*/
"tx_dropped",
"tx_total_sent",
"tx_total_fwd",
"tx_err_pko",
"tx_err_link",
"tx_err_drop",
"tx_tso",
"tx_tso_packets",
"tx_tso_err",
"mac_tx_total_pkts",
"mac_tx_total_bytes",
"mac_tx_mcast_pkts",
"mac_tx_bcast_pkts",
"mac_tx_ctl_packets", /*oct->link_stats.fromhost.ctl_sent */
"mac_tx_total_collisions",
"mac_tx_one_collision",
"mac_tx_multi_collison",
"mac_tx_max_collision_fail",
"mac_tx_max_deferal_fail",
"mac_tx_fifo_err",
"mac_tx_runts",
"rx_total_rcvd",
"rx_total_fwd",
"rx_jabber_err",
"rx_l2_err",
"rx_frame_err",
"rx_err_pko",
"rx_err_link",
"rx_err_drop",
"rx_lro_pkts",
"rx_lro_bytes",
"rx_total_lro",
"rx_lro_aborts",
"rx_lro_aborts_port",
"rx_lro_aborts_seq",
"rx_lro_aborts_tsval",
"rx_lro_aborts_timer",
"rx_fwd_rate",
"mac_rx_total_rcvd",
"mac_rx_bytes",
"mac_rx_total_bcst",
"mac_rx_total_mcst",
"mac_rx_runts",
"mac_rx_ctl_packets",
"mac_rx_fifo_err",
"mac_rx_dma_drop",
"mac_rx_fcs_err",
"link_state_changes",
};
/* statistics of host tx queue */
static const char oct_iq_stats_strings[][ETH_GSTRING_LEN] = {
"packets", /*oct->instr_queue[iq_no]->stats.tx_done*/
"bytes", /*oct->instr_queue[iq_no]->stats.tx_tot_bytes*/
"dropped",
"iq_busy",
"sgentry_sent",
"fw_instr_posted",
"fw_instr_processed",
"fw_instr_dropped",
"fw_bytes_sent",
"tso",
"txq_restart",
};
/* statistics of host rx queue */
static const char oct_droq_stats_strings[][ETH_GSTRING_LEN] = {
"OQ Pkts Received",
"OQ Bytes Received",
"Dropped no dispatch",
"Dropped nomem",
"Dropped toomany",
"Stack RX cnt",
"Stack RX Bytes",
"RX dropped",
"packets", /*oct->droq[oq_no]->stats.rx_pkts_received */
"bytes", /*oct->droq[oq_no]->stats.rx_bytes_received */
"dropped", /*oct->droq[oq_no]->stats.rx_dropped+
*oct->droq[oq_no]->stats.dropped_nodispatch+
*oct->droq[oq_no]->stats.dropped_toomany+
*oct->droq[oq_no]->stats.dropped_nomem
*/
"dropped_nomem",
"dropped_toomany",
"fw_dropped",
"fw_pkts_received",
"fw_bytes_received",
"fw_dropped_nodispatch",
"buffer_alloc_failure",
};
#define OCTNIC_NCMD_AUTONEG_ON 0x1
@ -516,8 +599,13 @@ lio_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
/* Notes: Not supporting any auto negotiation in these
* drivers. Just report pause frame support.
*/
pause->tx_pause = 1;
pause->rx_pause = 1; /* TODO: Need to support RX pause frame!!. */
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct = lio->oct_dev;
pause->autoneg = 0;
pause->tx_pause = oct->tx_pause;
pause->rx_pause = oct->rx_pause;
}
static void
@ -526,51 +614,245 @@ lio_get_ethtool_stats(struct net_device *netdev,
{
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct_dev = lio->oct_dev;
struct net_device_stats *netstats = &netdev->stats;
int i = 0, j;
for (j = 0; j < MAX_OCTEON_INSTR_QUEUES(oct); j++) {
netdev->netdev_ops->ndo_get_stats(netdev);
octnet_get_link_stats(netdev);
/*sum of oct->droq[oq_no]->stats->rx_pkts_received */
data[i++] = CVM_CAST64(netstats->rx_packets);
/*sum of oct->instr_queue[iq_no]->stats.tx_done */
data[i++] = CVM_CAST64(netstats->tx_packets);
/*sum of oct->droq[oq_no]->stats->rx_bytes_received */
data[i++] = CVM_CAST64(netstats->rx_bytes);
/*sum of oct->instr_queue[iq_no]->stats.tx_tot_bytes */
data[i++] = CVM_CAST64(netstats->tx_bytes);
data[i++] = CVM_CAST64(netstats->rx_errors);
data[i++] = CVM_CAST64(netstats->tx_errors);
/*sum of oct->droq[oq_no]->stats->rx_dropped +
*oct->droq[oq_no]->stats->dropped_nodispatch +
*oct->droq[oq_no]->stats->dropped_toomany +
*oct->droq[oq_no]->stats->dropped_nomem
*/
data[i++] = CVM_CAST64(netstats->rx_dropped);
/*sum of oct->instr_queue[iq_no]->stats.tx_dropped */
data[i++] = CVM_CAST64(netstats->tx_dropped);
/*data[i++] = CVM_CAST64(stats->multicast); */
/*data[i++] = CVM_CAST64(stats->collisions); */
/* firmware tx stats */
/*per_core_stats[cvmx_get_core_num()].link_stats[mdata->from_ifidx].
*fromhost.fw_total_sent
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_total_sent);
/*per_core_stats[i].link_stats[port].fromwire.fw_total_fwd */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_total_fwd);
/*per_core_stats[j].link_stats[i].fromhost.fw_err_pko */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_pko);
/*per_core_stats[j].link_stats[i].fromhost.fw_err_link */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_link);
/*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
*fw_err_drop
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_drop);
/*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.fw_tso */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tso);
/*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
*fw_tso_fwd
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tso_fwd);
/*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
*fw_err_tso
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_tso);
/* mac tx statistics */
/*CVMX_BGXX_CMRX_TX_STAT5 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_pkts_sent);
/*CVMX_BGXX_CMRX_TX_STAT4 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_bytes_sent);
/*CVMX_BGXX_CMRX_TX_STAT15 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.mcast_pkts_sent);
/*CVMX_BGXX_CMRX_TX_STAT14 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.bcast_pkts_sent);
/*CVMX_BGXX_CMRX_TX_STAT17 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.ctl_sent);
/*CVMX_BGXX_CMRX_TX_STAT0 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_collisions);
/*CVMX_BGXX_CMRX_TX_STAT3 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.one_collision_sent);
/*CVMX_BGXX_CMRX_TX_STAT2 */
data[i++] =
CVM_CAST64(oct_dev->link_stats.fromhost.multi_collision_sent);
/*CVMX_BGXX_CMRX_TX_STAT0 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.max_collision_fail);
/*CVMX_BGXX_CMRX_TX_STAT1 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.max_deferral_fail);
/*CVMX_BGXX_CMRX_TX_STAT16 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fifo_err);
/*CVMX_BGXX_CMRX_TX_STAT6 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.runts);
/* RX firmware stats */
/*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
*fw_total_rcvd
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_rcvd);
/*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
*fw_total_fwd
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_fwd);
/*per_core_stats[core_id].link_stats[ifidx].fromwire.jabber_err */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.jabber_err);
/*per_core_stats[core_id].link_stats[ifidx].fromwire.l2_err */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.l2_err);
/*per_core_stats[core_id].link_stats[ifidx].fromwire.frame_err */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.frame_err);
/*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
*fw_err_pko
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_pko);
/*per_core_stats[j].link_stats[i].fromwire.fw_err_link */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_link);
/*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx].
*fromwire.fw_err_drop
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_drop);
/* LRO */
/*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
*fw_lro_pkts
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_pkts);
/*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
*fw_lro_octs
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_octs);
/*per_core_stats[j].link_stats[i].fromwire.fw_total_lro */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_lro);
/*per_core_stats[j].link_stats[i].fromwire.fw_lro_aborts */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts);
/*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
*fw_lro_aborts_port
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_port);
/*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
*fw_lro_aborts_seq
*/
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_seq);
/*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
*fw_lro_aborts_tsval
*/
data[i++] =
CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_tsval);
/*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
*fw_lro_aborts_timer
*/
/* intrmod: packet forward rate */
data[i++] =
CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_timer);
/*per_core_stats[j].link_stats[i].fromwire.fw_lro_aborts */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fwd_rate);
/* mac: link-level stats */
/*CVMX_BGXX_CMRX_RX_STAT0 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_rcvd);
/*CVMX_BGXX_CMRX_RX_STAT1 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.bytes_rcvd);
/*CVMX_PKI_STATX_STAT5 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_bcst);
/*CVMX_PKI_STATX_STAT5 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_mcst);
/*wqe->word2.err_code or wqe->word2.err_level */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.runts);
/*CVMX_BGXX_CMRX_RX_STAT2 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.ctl_rcvd);
/*CVMX_BGXX_CMRX_RX_STAT6 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fifo_err);
/*CVMX_BGXX_CMRX_RX_STAT4 */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.dmac_drop);
/*wqe->word2.err_code or wqe->word2.err_level */
data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fcs_err);
/*lio->link_changes*/
data[i++] = CVM_CAST64(lio->link_changes);
/* TX -- lio_update_stats(lio); */
for (j = 0; j < MAX_OCTEON_INSTR_QUEUES(oct_dev); j++) {
if (!(oct_dev->io_qmask.iq & (1ULL << j)))
continue;
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_posted);
data[i++] =
CVM_CAST64(
oct_dev->instr_queue[j]->stats.instr_processed);
data[i++] =
CVM_CAST64(
oct_dev->instr_queue[j]->stats.instr_dropped);
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.bytes_sent);
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.sgentry_sent);
data[i++] =
readl(oct_dev->instr_queue[j]->inst_cnt_reg);
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done);
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_iq_busy);
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_dropped);
/*packets to network port*/
/*# of packets tx to network */
data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done);
/*# of bytes tx to network */
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_tot_bytes);
/*# of packets dropped */
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_dropped);
/*# of tx fails due to queue full */
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_iq_busy);
/*XXX gather entries sent */
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.sgentry_sent);
/*instruction to firmware: data and control */
/*# of instructions to the queue */
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_posted);
/*# of instructions processed */
data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->
stats.instr_processed);
/*# of instructions could not be processed */
data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->
stats.instr_dropped);
/*bytes sent through the queue */
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.bytes_sent);
/*tso request*/
data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_gso);
/*txq restart*/
data[i++] =
CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_restart);
}
/* for (j = 0; j < oct_dev->num_oqs; j++){ */
for (j = 0; j < MAX_OCTEON_OUTPUT_QUEUES(oct); j++) {
/* RX */
/* for (j = 0; j < oct_dev->num_oqs; j++) { */
for (j = 0; j < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); j++) {
if (!(oct_dev->io_qmask.oq & (1ULL << j)))
continue;
data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.pkts_received);
data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.bytes_received);
data[i++] =
CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch);
data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem);
data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany);
/*packets send to TCP/IP network stack */
/*# of packets to network stack */
data[i++] =
CVM_CAST64(oct_dev->droq[j]->stats.rx_pkts_received);
/*# of bytes to network stack */
data[i++] =
CVM_CAST64(oct_dev->droq[j]->stats.rx_bytes_received);
/*# of packets dropped */
data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem +
oct_dev->droq[j]->stats.dropped_toomany +
oct_dev->droq[j]->stats.rx_dropped);
data[i++] =
CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem);
data[i++] =
CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany);
data[i++] =
CVM_CAST64(oct_dev->droq[j]->stats.rx_dropped);
/*control and data path*/
data[i++] =
CVM_CAST64(oct_dev->droq[j]->stats.pkts_received);
data[i++] =
CVM_CAST64(oct_dev->droq[j]->stats.bytes_received);
data[i++] =
CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch);
data[i++] =
CVM_CAST64(oct_dev->droq[j]->stats.rx_alloc_failure);
}
}
@ -579,26 +861,43 @@ static void lio_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct_dev = lio->oct_dev;
int num_iq_stats, num_oq_stats, i, j;
int num_stats;
num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings);
for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) {
if (!(oct_dev->io_qmask.iq & (1ULL << i)))
continue;
for (j = 0; j < num_iq_stats; j++) {
sprintf(data, "IQ%d %s", i, oct_iq_stats_strings[j]);
switch (stringset) {
case ETH_SS_STATS:
num_stats = ARRAY_SIZE(oct_stats_strings);
for (j = 0; j < num_stats; j++) {
sprintf(data, "%s", oct_stats_strings[j]);
data += ETH_GSTRING_LEN;
}
}
num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings);
/* for (i = 0; i < oct_dev->num_oqs; i++) { */
for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct); i++) {
if (!(oct_dev->io_qmask.oq & (1ULL << i)))
continue;
for (j = 0; j < num_oq_stats; j++) {
sprintf(data, "OQ%d %s", i, oct_droq_stats_strings[j]);
data += ETH_GSTRING_LEN;
num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings);
for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct_dev); i++) {
if (!(oct_dev->io_qmask.iq & (1ULL << i)))
continue;
for (j = 0; j < num_iq_stats; j++) {
sprintf(data, "tx-%d-%s", i,
oct_iq_stats_strings[j]);
data += ETH_GSTRING_LEN;
}
}
num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings);
/* for (i = 0; i < oct_dev->num_oqs; i++) { */
for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); i++) {
if (!(oct_dev->io_qmask.oq & (1ULL << i)))
continue;
for (j = 0; j < num_oq_stats; j++) {
sprintf(data, "rx-%d-%s", i,
oct_droq_stats_strings[j]);
data += ETH_GSTRING_LEN;
}
}
break;
default:
netif_info(lio, drv, lio->netdev, "Unknown Stringset !!\n");
break;
}
}
@ -607,8 +906,14 @@ static int lio_get_sset_count(struct net_device *netdev, int sset)
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct_dev = lio->oct_dev;
return (ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs) +
(ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs);
switch (sset) {
case ETH_SS_STATS:
return (ARRAY_SIZE(oct_stats_strings) +
ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs +
ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs);
default:
return -EOPNOTSUPP;
}
}
static int lio_get_intr_coalesce(struct net_device *netdev,
@ -731,6 +1036,155 @@ static int octnet_set_intrmod_cfg(struct lio *lio,
return 0;
}
void
octnet_nic_stats_callback(struct octeon_device *oct_dev,
u32 status, void *ptr)
{
struct octeon_soft_command *sc = (struct octeon_soft_command *)ptr;
struct oct_nic_stats_resp *resp = (struct oct_nic_stats_resp *)
sc->virtrptr;
struct oct_nic_stats_ctrl *ctrl = (struct oct_nic_stats_ctrl *)
sc->ctxptr;
struct nic_rx_stats *rsp_rstats = &resp->stats.fromwire;
struct nic_tx_stats *rsp_tstats = &resp->stats.fromhost;
struct nic_rx_stats *rstats = &oct_dev->link_stats.fromwire;
struct nic_tx_stats *tstats = &oct_dev->link_stats.fromhost;
if ((status != OCTEON_REQUEST_TIMEOUT) && !resp->status) {
octeon_swap_8B_data((u64 *)&resp->stats,
(sizeof(struct oct_link_stats)) >> 3);
/* RX link-level stats */
rstats->total_rcvd = rsp_rstats->total_rcvd;
rstats->bytes_rcvd = rsp_rstats->bytes_rcvd;
rstats->total_bcst = rsp_rstats->total_bcst;
rstats->total_mcst = rsp_rstats->total_mcst;
rstats->runts = rsp_rstats->runts;
rstats->ctl_rcvd = rsp_rstats->ctl_rcvd;
/* Accounts for over/under-run of buffers */
rstats->fifo_err = rsp_rstats->fifo_err;
rstats->dmac_drop = rsp_rstats->dmac_drop;
rstats->fcs_err = rsp_rstats->fcs_err;
rstats->jabber_err = rsp_rstats->jabber_err;
rstats->l2_err = rsp_rstats->l2_err;
rstats->frame_err = rsp_rstats->frame_err;
/* RX firmware stats */
rstats->fw_total_rcvd = rsp_rstats->fw_total_rcvd;
rstats->fw_total_fwd = rsp_rstats->fw_total_fwd;
rstats->fw_err_pko = rsp_rstats->fw_err_pko;
rstats->fw_err_link = rsp_rstats->fw_err_link;
rstats->fw_err_drop = rsp_rstats->fw_err_drop;
/* Number of packets that are LROed */
rstats->fw_lro_pkts = rsp_rstats->fw_lro_pkts;
/* Number of octets that are LROed */
rstats->fw_lro_octs = rsp_rstats->fw_lro_octs;
/* Number of LRO packets formed */
rstats->fw_total_lro = rsp_rstats->fw_total_lro;
/* Number of times lRO of packet aborted */
rstats->fw_lro_aborts = rsp_rstats->fw_lro_aborts;
rstats->fw_lro_aborts_port = rsp_rstats->fw_lro_aborts_port;
rstats->fw_lro_aborts_seq = rsp_rstats->fw_lro_aborts_seq;
rstats->fw_lro_aborts_tsval = rsp_rstats->fw_lro_aborts_tsval;
rstats->fw_lro_aborts_timer = rsp_rstats->fw_lro_aborts_timer;
/* intrmod: packet forward rate */
rstats->fwd_rate = rsp_rstats->fwd_rate;
/* TX link-level stats */
tstats->total_pkts_sent = rsp_tstats->total_pkts_sent;
tstats->total_bytes_sent = rsp_tstats->total_bytes_sent;
tstats->mcast_pkts_sent = rsp_tstats->mcast_pkts_sent;
tstats->bcast_pkts_sent = rsp_tstats->bcast_pkts_sent;
tstats->ctl_sent = rsp_tstats->ctl_sent;
/* Packets sent after one collision*/
tstats->one_collision_sent = rsp_tstats->one_collision_sent;
/* Packets sent after multiple collision*/
tstats->multi_collision_sent = rsp_tstats->multi_collision_sent;
/* Packets not sent due to max collisions */
tstats->max_collision_fail = rsp_tstats->max_collision_fail;
/* Packets not sent due to max deferrals */
tstats->max_deferral_fail = rsp_tstats->max_deferral_fail;
/* Accounts for over/under-run of buffers */
tstats->fifo_err = rsp_tstats->fifo_err;
tstats->runts = rsp_tstats->runts;
/* Total number of collisions detected */
tstats->total_collisions = rsp_tstats->total_collisions;
/* firmware stats */
tstats->fw_total_sent = rsp_tstats->fw_total_sent;
tstats->fw_total_fwd = rsp_tstats->fw_total_fwd;
tstats->fw_err_pko = rsp_tstats->fw_err_pko;
tstats->fw_err_link = rsp_tstats->fw_err_link;
tstats->fw_err_drop = rsp_tstats->fw_err_drop;
tstats->fw_tso = rsp_tstats->fw_tso;
tstats->fw_tso_fwd = rsp_tstats->fw_tso_fwd;
tstats->fw_err_tso = rsp_tstats->fw_err_tso;
resp->status = 1;
} else {
resp->status = -1;
}
complete(&ctrl->complete);
}
/* Configure interrupt moderation parameters */
static int octnet_get_link_stats(struct net_device *netdev)
{
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct_dev = lio->oct_dev;
struct octeon_soft_command *sc;
struct oct_nic_stats_ctrl *ctrl;
struct oct_nic_stats_resp *resp;
int retval;
/* Alloc soft command */
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct_dev,
0,
sizeof(struct oct_nic_stats_resp),
sizeof(struct octnic_ctrl_pkt));
if (!sc)
return -ENOMEM;
resp = (struct oct_nic_stats_resp *)sc->virtrptr;
memset(resp, 0, sizeof(struct oct_nic_stats_resp));
ctrl = (struct oct_nic_stats_ctrl *)sc->ctxptr;
memset(ctrl, 0, sizeof(struct oct_nic_stats_ctrl));
ctrl->netdev = netdev;
init_completion(&ctrl->complete);
sc->iq_no = lio->linfo.txpciq[0].s.q_no;
octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
OPCODE_NIC_PORT_STATS, 0, 0, 0);
sc->callback = octnet_nic_stats_callback;
sc->callback_arg = sc;
sc->wait_time = 500; /*in milli seconds*/
retval = octeon_send_soft_command(oct_dev, sc);
if (retval == IQ_SEND_FAILED) {
octeon_free_soft_command(oct_dev, sc);
return -EINVAL;
}
wait_for_completion_timeout(&ctrl->complete, msecs_to_jiffies(1000));
if (resp->status != 1) {
octeon_free_soft_command(oct_dev, sc);
return -EINVAL;
}
octeon_free_soft_command(oct_dev, sc);
return 0;
}
/* Enable/Disable auto interrupt Moderation */
static int oct_cfg_adaptive_intr(struct lio *lio, struct ethtool_coalesce
*intr_coal)

48
drivers/net/ethernet/cavium/liquidio/lio_main.c
View File

@ -72,6 +72,9 @@ MODULE_PARM_DESC(console_bitmask,
#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
#define INCR_INSTRQUEUE_PKT_COUNT(octeon_dev_ptr, iq_no, field, count) \
(octeon_dev_ptr->instr_queue[iq_no]->stats.field += count)
static int debug = -1;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "NETIF_MSG debug bits");
@ -682,13 +685,24 @@ static inline void txqs_start(struct net_device *netdev)
*/
static inline void txqs_wake(struct net_device *netdev)
{
struct lio *lio = GET_LIO(netdev);
if (netif_is_multiqueue(netdev)) {
int i;
for (i = 0; i < netdev->num_tx_queues; i++)
if (__netif_subqueue_stopped(netdev, i))
for (i = 0; i < netdev->num_tx_queues; i++) {
int qno = lio->linfo.txpciq[i %
(lio->linfo.num_txpciq)].s.q_no;
if (__netif_subqueue_stopped(netdev, i)) {
INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, qno,
tx_restart, 1);
netif_wake_subqueue(netdev, i);
}
}
} else {
INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, lio->txq,
tx_restart, 1);
netif_wake_queue(netdev);
}
}
@ -763,6 +777,8 @@ static inline int check_txq_status(struct lio *lio)
continue;
if (__netif_subqueue_stopped(lio->netdev, q)) {
wake_q(lio->netdev, q);
INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq,
tx_restart, 1);
ret_val++;
}
}
@ -770,6 +786,8 @@ static inline int check_txq_status(struct lio *lio)
if (octnet_iq_is_full(lio->oct_dev, lio->txq))
return 0;
wake_q(lio->netdev, lio->txq);
INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, lio->txq,
tx_restart, 1);
ret_val = 1;
}
return ret_val;
@ -981,10 +999,16 @@ static void update_txq_status(struct octeon_device *oct, int iq_num)
if (__netif_subqueue_stopped(netdev, iq->q_index) &&
lio->linfo.link.s.link_up &&
(!octnet_iq_is_full(oct, iq_num))) {
INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq_num,
tx_restart, 1);
netif_wake_subqueue(netdev, iq->q_index);
} else {
if (!octnet_iq_is_full(oct, lio->txq))
if (!octnet_iq_is_full(oct, lio->txq)) {
INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev,
lio->txq,
tx_restart, 1);
wake_q(netdev, lio->txq);
}
}
}
}
@ -1115,6 +1139,9 @@ static int liquidio_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return -ENOMEM;
}
oct_dev->rx_pause = 1;
oct_dev->tx_pause = 1;
dev_dbg(&oct_dev->pci_dev->dev, "Device is ready\n");
return 0;
@ -1468,8 +1495,10 @@ static inline int check_txq_state(struct lio *lio, struct sk_buff *skb)
if (octnet_iq_is_full(lio->oct_dev, iq))
return 0;
if (__netif_subqueue_stopped(lio->netdev, q))
if (__netif_subqueue_stopped(lio->netdev, q)) {
INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq, tx_restart, 1);
wake_q(lio->netdev, q);
}
return 1;
}
@ -2382,6 +2411,10 @@ void liquidio_link_ctrl_cmd_completion(void *nctrl_ptr)
break;
case OCTNET_CMD_SET_FLOW_CTL:
netif_info(lio, probe, lio->netdev, "Set RX/TX flow control parameters\n");
break;
default:
dev_err(&oct->pci_dev->dev, "%s Unknown cmd %d\n", __func__,
nctrl->ncmd.s.cmd);
@ -2976,7 +3009,9 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev)
if (skb_shinfo(skb)->gso_size) {
tx_info->s.gso_size = skb_shinfo(skb)->gso_size;
tx_info->s.gso_segs = skb_shinfo(skb)->gso_segs;
stats->tx_gso++;
}
/* HW insert VLAN tag */
if (skb_vlan_tag_present(skb)) {
irh->priority = skb_vlan_tag_get(skb) >> 13;
@ -2999,7 +3034,10 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev)
netif_trans_update(netdev);
stats->tx_done++;
if (skb_shinfo(skb)->gso_size)
stats->tx_done += skb_shinfo(skb)->gso_segs;
else
stats->tx_done++;
stats->tx_tot_bytes += skb->len;
return NETDEV_TX_OK;

10
drivers/net/ethernet/cavium/liquidio/liquidio_common.h
View File

@ -736,10 +736,16 @@ struct nic_rx_stats {
u64 fw_err_pko;
u64 fw_err_link;
u64 fw_err_drop;
/* LRO */
u64 fw_lro_pkts; /* Number of packets that are LROed */
u64 fw_lro_octs; /* Number of octets that are LROed */
u64 fw_total_lro; /* Number of LRO packets formed */
u64 fw_lro_aborts; /* Number of times lRO of packet aborted */
u64 fw_lro_aborts_port;
u64 fw_lro_aborts_seq;
u64 fw_lro_aborts_tsval;
u64 fw_lro_aborts_timer;
/* intrmod: packet forward rate */
u64 fwd_rate;
};
@ -763,9 +769,13 @@ struct nic_tx_stats {
/* firmware stats */
u64 fw_total_sent;
u64 fw_total_fwd;
u64 fw_total_fwd_bytes;
u64 fw_err_pko;
u64 fw_err_link;
u64 fw_err_drop;
u64 fw_err_tso;
u64 fw_tso; /* number of tso requests */
u64 fw_tso_fwd; /* number of packets segmented in tso */
};
struct oct_link_stats {

6
drivers/net/ethernet/cavium/liquidio/octeon_device.h
View File

@ -394,6 +394,12 @@ struct octeon_device {
struct cavium_wk console_poll_work[MAX_OCTEON_MAPS];
void *priv;
int rx_pause;
int tx_pause;
struct oct_link_stats link_stats; /*stastics from firmware*/
};
#define OCT_DRV_ONLINE 1

4
drivers/net/ethernet/cavium/liquidio/octeon_iq.h
View File

@ -65,6 +65,10 @@ struct oct_iq_stats {
u64 tx_iq_busy;/**< Numof times this iq was found to be full. */
u64 tx_dropped;/**< Numof pkts dropped dueto xmitpath errors. */
u64 tx_tot_bytes;/**< Total count of bytes sento to network. */
u64 tx_gso; /* count of tso */
u64 tx_dmamap_fail;
u64 tx_restart;
/*u64 tx_timeout_count;*/
};
#define OCT_IQ_STATS_SIZE (sizeof(struct oct_iq_stats))

11
drivers/net/ethernet/cavium/liquidio/octeon_network.h
View File

@ -30,6 +30,17 @@
#include <linux/dma-mapping.h>
#include <linux/ptp_clock_kernel.h>
struct oct_nic_stats_resp {
u64 rh;
struct oct_link_stats stats;
u64 status;
};
struct oct_nic_stats_ctrl {
struct completion complete;
struct net_device *netdev;
};
/** LiquidIO per-interface network private data */
struct lio {
/** State of the interface. Rx/Tx happens only in the RUNNING state. */