Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d8ab848c authored by Raghu Vatsavayi's avatar Raghu Vatsavayi Committed by David S. Miller
Browse files

liquidio VF ethtool stats 



Adds support for VF ethtool stats

Signed-off-by: default avatarRaghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: default avatarDerek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: default avatarSatanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: default avatarFelix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c05ebcc8

drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.h

+2 −0
Original line number Diff line number Diff line
@@ -44,5 +44,7 @@ int cn23xx_octeon_pfvf_handshake(struct octeon_device *oct); 


int cn23xx_setup_octeon_vf_device(struct octeon_device *oct);



u32 cn23xx_vf_get_oq_ticks(struct octeon_device *oct, u32 time_intr_in_us);



void cn23xx_dump_vf_initialized_regs(struct octeon_device *oct);

#endif

drivers/net/ethernet/cavium/liquidio/lio_ethtool.c

+414 −98
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
#include "cn66xx_regs.h"

#include "cn66xx_device.h"

#include "cn23xx_pf_device.h"

#include "cn23xx_vf_device.h"



static int octnet_get_link_stats(struct net_device *netdev);
@@ -72,6 +73,7 @@ enum { 


#define OCT_ETHTOOL_REGDUMP_LEN  4096

#define OCT_ETHTOOL_REGDUMP_LEN_23XX  (4096 * 11)

#define OCT_ETHTOOL_REGDUMP_LEN_23XX_VF  (4096 * 2)

#define OCT_ETHTOOL_REGSVER  1



/* statistics of PF */
@@ -147,6 +149,19 @@ static const char oct_stats_strings[][ETH_GSTRING_LEN] = { 
	"link_state_changes",

};



/* statistics of VF */

static const char oct_vf_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", /* total_rcvd - fw_total_rcvd + dmac_drop + fw_err_drop */

	"tx_dropped",

	"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*/
@@ -192,25 +207,28 @@ static const char oct_priv_flags_strings[][ETH_GSTRING_LEN] = { 
#define OCTNIC_NCMD_AUTONEG_ON  0x1

#define OCTNIC_NCMD_PHY_ON      0x2



static int lio_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)

static int lio_get_link_ksettings(struct net_device *netdev,

				  struct ethtool_link_ksettings *ecmd)

{

	struct lio *lio = GET_LIO(netdev);

	struct octeon_device *oct = lio->oct_dev;

	struct oct_link_info *linfo;

	u32 supported, advertising;



	linfo = &lio->linfo;



	if (linfo->link.s.if_mode == INTERFACE_MODE_XAUI ||

	    linfo->link.s.if_mode == INTERFACE_MODE_RXAUI ||

	    linfo->link.s.if_mode == INTERFACE_MODE_XFI) {

		ecmd->port = PORT_FIBRE;

		ecmd->supported =

			(SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE |

		ecmd->base.port = PORT_FIBRE;

		supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE |

			     SUPPORTED_Pause);

		ecmd->advertising =

			(ADVERTISED_10000baseT_Full | ADVERTISED_Pause);

		ecmd->transceiver = XCVR_EXTERNAL;

		ecmd->autoneg = AUTONEG_DISABLE;

		advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_Pause);

		ethtool_convert_legacy_u32_to_link_mode(

			ecmd->link_modes.supported, supported);

		ethtool_convert_legacy_u32_to_link_mode(

			ecmd->link_modes.advertising, advertising);

		ecmd->base.autoneg = AUTONEG_DISABLE;



	} else {

		dev_err(&oct->pci_dev->dev, "Unknown link interface reported %d\n",
@@ -218,11 +236,11 @@ static int lio_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) 
	}



	if (linfo->link.s.link_up) {

		ethtool_cmd_speed_set(ecmd, linfo->link.s.speed);

		ecmd->duplex = linfo->link.s.duplex;

		ecmd->base.speed = linfo->link.s.speed;

		ecmd->base.duplex = linfo->link.s.duplex;

	} else {

		ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);

		ecmd->duplex = DUPLEX_UNKNOWN;

		ecmd->base.speed = SPEED_UNKNOWN;

		ecmd->base.duplex = DUPLEX_UNKNOWN;

	}



	return 0;
@@ -245,6 +263,23 @@ lio_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 
	strncpy(drvinfo->bus_info, pci_name(oct->pci_dev), 32);

}



static void

lio_get_vf_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)

{

	struct octeon_device *oct;

	struct lio *lio;



	lio = GET_LIO(netdev);

	oct = lio->oct_dev;



	memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));

	strcpy(drvinfo->driver, "liquidio_vf");

	strcpy(drvinfo->version, LIQUIDIO_VERSION);

	strncpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version,

		ETHTOOL_FWVERS_LEN);

	strncpy(drvinfo->bus_info, pci_name(oct->pci_dev), 32);

}



static void

lio_ethtool_get_channels(struct net_device *dev,

			 struct ethtool_channels *channel)
@@ -982,6 +1017,109 @@ lio_get_ethtool_stats(struct net_device *netdev, 
	}

}



static void lio_vf_get_ethtool_stats(struct net_device *netdev,

				     struct ethtool_stats *stats

				     __attribute__((unused)),

				     u64 *data)

{

	struct net_device_stats *netstats = &netdev->stats;

	struct lio *lio = GET_LIO(netdev);

	struct octeon_device *oct_dev = lio->oct_dev;

	int i = 0, j, vj;



	netdev->netdev_ops->ndo_get_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);

	/* lio->link_changes */

	data[i++] = CVM_CAST64(lio->link_changes);



	for (vj = 0; vj < lio->linfo.num_txpciq; vj++) {

		j = lio->linfo.txpciq[vj].s.q_no;



		/* 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);

		/* vxlan request */

		data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_vxlan);

		/* txq restart */

		data[i++] = CVM_CAST64(

				oct_dev->instr_queue[j]->stats.tx_restart);

	}



	/* RX */

	for (vj = 0; vj < lio->linfo.num_rxpciq; vj++) {

		j = lio->linfo.rxpciq[vj].s.q_no;



		/* 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);

		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_vxlan);

		data[i++] =

		    CVM_CAST64(oct_dev->droq[j]->stats.rx_alloc_failure);

	}

}



static void lio_get_priv_flags_strings(struct lio *lio, u8 *data)

{

	struct octeon_device *oct_dev = lio->oct_dev;
@@ -989,6 +1127,7 @@ static void lio_get_priv_flags_strings(struct lio *lio, u8 *data) 


	switch (oct_dev->chip_id) {

	case OCTEON_CN23XX_PF_VID:

	case OCTEON_CN23XX_VF_VID:

		for (i = 0; i < ARRAY_SIZE(oct_priv_flags_strings); i++) {

			sprintf(data, "%s", oct_priv_flags_strings[i]);

			data += ETH_GSTRING_LEN;
@@ -1050,12 +1189,61 @@ static void lio_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 
	}

}



static void lio_vf_get_strings(struct net_device *netdev, u32 stringset,

			       u8 *data)

{

	int num_iq_stats, num_oq_stats, i, j;

	struct lio *lio = GET_LIO(netdev);

	struct octeon_device *oct_dev = lio->oct_dev;

	int num_stats;



	switch (stringset) {

	case ETH_SS_STATS:

		num_stats = ARRAY_SIZE(oct_vf_stats_strings);

		for (j = 0; j < num_stats; j++) {

			sprintf(data, "%s", oct_vf_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 & BIT_ULL(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 < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); i++) {

			if (!(oct_dev->io_qmask.oq & BIT_ULL(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;



	case ETH_SS_PRIV_FLAGS:

		lio_get_priv_flags_strings(lio, data);

		break;

	default:

		netif_info(lio, drv, lio->netdev, "Unknown Stringset !!\n");

		break;

	}

}



static int lio_get_priv_flags_ss_count(struct lio *lio)

{

	struct octeon_device *oct_dev = lio->oct_dev;



	switch (oct_dev->chip_id) {

	case OCTEON_CN23XX_PF_VID:

	case OCTEON_CN23XX_VF_VID:

		return ARRAY_SIZE(oct_priv_flags_strings);

	case OCTEON_CN68XX:

	case OCTEON_CN66XX:
@@ -1083,6 +1271,23 @@ static int lio_get_sset_count(struct net_device *netdev, int sset) 
	}

}



static int lio_vf_get_sset_count(struct net_device *netdev, int sset)

{

	struct lio *lio = GET_LIO(netdev);

	struct octeon_device *oct_dev = lio->oct_dev;



	switch (sset) {

	case ETH_SS_STATS:

		return (ARRAY_SIZE(oct_vf_stats_strings) +

			ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs +

			ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs);

	case ETH_SS_PRIV_FLAGS:

		return lio_get_priv_flags_ss_count(lio);

	default:

		return -EOPNOTSUPP;

	}

}



static int lio_get_intr_coalesce(struct net_device *netdev,

				 struct ethtool_coalesce *intr_coal)

{
@@ -1095,6 +1300,7 @@ static int lio_get_intr_coalesce(struct net_device *netdev, 


	switch (oct->chip_id) {

	case OCTEON_CN23XX_PF_VID:

	case OCTEON_CN23XX_VF_VID:

		if (!intrmod_cfg->rx_enable) {

			intr_coal->rx_coalesce_usecs = intrmod_cfg->rx_usecs;

			intr_coal->rx_max_coalesced_frames =
@@ -1141,7 +1347,7 @@ static int lio_get_intr_coalesce(struct net_device *netdev, 
		intr_coal->rx_max_coalesced_frames_low =

		    intrmod_cfg->rx_mincnt_trigger;

	}

	if (OCTEON_CN23XX_PF(oct) &&

	if ((OCTEON_CN23XX_PF(oct) || OCTEON_CN23XX_VF(oct)) &&

	    (intrmod_cfg->tx_enable)) {

		intr_coal->use_adaptive_tx_coalesce = intrmod_cfg->tx_enable;

		intr_coal->tx_max_coalesced_frames_high =
@@ -1499,6 +1705,26 @@ oct_cfg_rx_intrcnt(struct lio *lio, struct ethtool_coalesce *intr_coal) 
		oct->intrmod.rx_frames = rx_max_coalesced_frames;

		break;

	}

	case OCTEON_CN23XX_VF_VID: {

		int q_no;



		if (!intr_coal->rx_max_coalesced_frames)

			rx_max_coalesced_frames = oct->intrmod.rx_frames;

		else

			rx_max_coalesced_frames =

			    intr_coal->rx_max_coalesced_frames;

		for (q_no = 0; q_no < oct->num_oqs; q_no++) {

			octeon_write_csr64(

			    oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no),

			    (octeon_read_csr64(

				 oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no)) &

			     (0x3fffff00000000UL)) |

				rx_max_coalesced_frames);

			/* consider writing to resend bit here */

		}

		oct->intrmod.rx_frames = rx_max_coalesced_frames;

		break;

	}

	default:

		return -EINVAL;

	}
@@ -1552,6 +1778,27 @@ static int oct_cfg_rx_intrtime(struct lio *lio, 
		oct->intrmod.rx_usecs = rx_coalesce_usecs;

		break;

	}

	case OCTEON_CN23XX_VF_VID: {

		u64 time_threshold;

		int q_no;



		if (!intr_coal->rx_coalesce_usecs)

			rx_coalesce_usecs = oct->intrmod.rx_usecs;

		else

			rx_coalesce_usecs = intr_coal->rx_coalesce_usecs;



		time_threshold =

		    cn23xx_vf_get_oq_ticks(oct, (u32)rx_coalesce_usecs);

		for (q_no = 0; q_no < oct->num_oqs; q_no++) {

			octeon_write_csr64(

				oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no),

				(oct->intrmod.rx_frames |

				 (time_threshold << 32)));

			/* consider setting resend bit */

		}

		oct->intrmod.rx_usecs = rx_coalesce_usecs;

		break;

	}

	default:

		return -EINVAL;

	}
@@ -1573,6 +1820,7 @@ oct_cfg_tx_intrcnt(struct lio *lio, struct ethtool_coalesce *intr_coal 
	case OCTEON_CN68XX:

	case OCTEON_CN66XX:

		break;

	case OCTEON_CN23XX_VF_VID:

	case OCTEON_CN23XX_PF_VID: {

		int q_no;
@@ -1631,6 +1879,7 @@ static int lio_set_intr_coalesce(struct net_device *netdev, 
		}

		break;

	case OCTEON_CN23XX_PF_VID:

	case OCTEON_CN23XX_VF_VID:

		break;

	default:

		return -EINVAL;
@@ -1693,86 +1942,6 @@ static int lio_get_ts_info(struct net_device *netdev, 
	return 0;

}



static int lio_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)

{

	struct lio *lio = GET_LIO(netdev);

	struct octeon_device *oct = lio->oct_dev;

	struct oct_link_info *linfo;

	struct octnic_ctrl_pkt nctrl;

	int ret = 0;



	/* get the link info */

	linfo = &lio->linfo;



	if (ecmd->autoneg != AUTONEG_ENABLE && ecmd->autoneg != AUTONEG_DISABLE)

		return -EINVAL;



	if (ecmd->autoneg == AUTONEG_DISABLE && ((ecmd->speed != SPEED_100 &&

						  ecmd->speed != SPEED_10) ||

						 (ecmd->duplex != DUPLEX_HALF &&

						  ecmd->duplex != DUPLEX_FULL)))

		return -EINVAL;



	/* Ethtool Support is not provided for XAUI, RXAUI, and XFI Interfaces

	 * as they operate at fixed Speed and Duplex settings

	 */

	if (linfo->link.s.if_mode == INTERFACE_MODE_XAUI ||

	    linfo->link.s.if_mode == INTERFACE_MODE_RXAUI ||

	    linfo->link.s.if_mode == INTERFACE_MODE_XFI) {

		dev_info(&oct->pci_dev->dev,

			 "Autonegotiation, duplex and speed settings cannot be modified.\n");

		return -EINVAL;

	}



	memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));



	nctrl.ncmd.u64 = 0;

	nctrl.ncmd.s.cmd = OCTNET_CMD_SET_SETTINGS;

	nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;

	nctrl.wait_time = 1000;

	nctrl.netpndev = (u64)netdev;

	nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;



	/* Passing the parameters sent by ethtool like Speed, Autoneg & Duplex

	 * to SE core application using ncmd.s.more & ncmd.s.param

	 */

	if (ecmd->autoneg == AUTONEG_ENABLE) {

		/* Autoneg ON */

		nctrl.ncmd.s.more = OCTNIC_NCMD_PHY_ON |

				     OCTNIC_NCMD_AUTONEG_ON;

		nctrl.ncmd.s.param1 = ecmd->advertising;

	} else {

		/* Autoneg OFF */

		nctrl.ncmd.s.more = OCTNIC_NCMD_PHY_ON;



		nctrl.ncmd.s.param2 = ecmd->duplex;



		nctrl.ncmd.s.param1 = ecmd->speed;

	}



	ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);

	if (ret < 0) {

		dev_err(&oct->pci_dev->dev, "Failed to set settings\n");

		return -1;

	}



	return 0;

}



static int lio_nway_reset(struct net_device *netdev)

{

	if (netif_running(netdev)) {

		struct ethtool_cmd ecmd;



		memset(&ecmd, 0, sizeof(struct ethtool_cmd));

		ecmd.autoneg = 0;

		ecmd.speed = 0;

		ecmd.duplex = 0;

		lio_set_settings(netdev, &ecmd);

	}

	return 0;

}



/* Return register dump len. */

static int lio_get_regs_len(struct net_device *dev)

{
@@ -1782,6 +1951,8 @@ static int lio_get_regs_len(struct net_device *dev) 
	switch (oct->chip_id) {

	case OCTEON_CN23XX_PF_VID:

		return OCT_ETHTOOL_REGDUMP_LEN_23XX;

	case OCTEON_CN23XX_VF_VID:

		return OCT_ETHTOOL_REGDUMP_LEN_23XX_VF;

	default:

		return OCT_ETHTOOL_REGDUMP_LEN;

	}
@@ -2007,6 +2178,123 @@ static int cn23xx_read_csr_reg(char *s, struct octeon_device *oct) 
	return len;

}



static int cn23xx_vf_read_csr_reg(char *s, struct octeon_device *oct)

{

	int len = 0;

	u32 reg;

	int i;



	/* PCI  Window Registers */



	len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n");



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_OQ_BUFF_INFO_SIZE(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_OUT_SIZE): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_IQ_INSTR_COUNT64(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_OQ_PKTS_CREDIT(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_SLIST_BAOFF_DBELL): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_OQ_SIZE(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_SLIST_FIFO_RSIZE): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_OQ_PKT_CONTROL(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d__OUTPUT_CONTROL): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_OQ_BASE_ADDR64(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_SLIST_BADDR): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_INT_LEVELS): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_OQ_PKTS_SENT(i);

		len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_CNTS): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = 0x100c0 + i * CN23XX_VF_OQ_OFFSET;

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_ERROR_INFO): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = 0x100d0 + i * CN23XX_VF_IQ_OFFSET;

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_VF_INT_SUM): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_IQ_PKT_CONTROL64(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_INPUT_CONTROL): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_IQ_BASE_ADDR64(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_INSTR_BADDR): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_IQ_DOORBELL(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_INSTR_BAOFF_DBELL): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_IQ_SIZE(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT%d_INSTR_FIFO_RSIZE): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {

		reg = CN23XX_VF_SLI_IQ_INSTR_COUNT64(i);

		len += sprintf(s + len,

			       "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n",

			       reg, i, (u64)octeon_read_csr64(oct, reg));

	}



	return len;

}



static int cn6xxx_read_csr_reg(char *s, struct octeon_device *oct)

{

	u32 reg;
@@ -2153,6 +2441,10 @@ static void lio_get_regs(struct net_device *dev, 
		memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN_23XX);

		len += cn23xx_read_csr_reg(regbuf + len, oct);

		break;

	case OCTEON_CN23XX_VF_VID:

		memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN_23XX_VF);

		len += cn23xx_vf_read_csr_reg(regbuf + len, oct);

		break;

	case OCTEON_CN68XX:

	case OCTEON_CN66XX:

		memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN);
@@ -2183,7 +2475,7 @@ static int lio_set_priv_flags(struct net_device *netdev, u32 flags) 
}



static const struct ethtool_ops lio_ethtool_ops = {

	.get_settings		= lio_get_settings,

	.get_link_ksettings	= lio_get_link_ksettings,

	.get_link		= ethtool_op_get_link,

	.get_drvinfo		= lio_get_drvinfo,

	.get_ringparam		= lio_ethtool_get_ringparam,
@@ -2200,8 +2492,26 @@ static const struct ethtool_ops lio_ethtool_ops = { 
	.get_msglevel		= lio_get_msglevel,

	.set_msglevel		= lio_set_msglevel,

	.get_sset_count		= lio_get_sset_count,

	.nway_reset		= lio_nway_reset,

	.set_settings		= lio_set_settings,

	.get_coalesce		= lio_get_intr_coalesce,

	.set_coalesce		= lio_set_intr_coalesce,

	.get_priv_flags		= lio_get_priv_flags,

	.set_priv_flags		= lio_set_priv_flags,

	.get_ts_info		= lio_get_ts_info,

};



static const struct ethtool_ops lio_vf_ethtool_ops = {

	.get_link_ksettings	= lio_get_link_ksettings,

	.get_link		= ethtool_op_get_link,

	.get_drvinfo		= lio_get_vf_drvinfo,

	.get_ringparam		= lio_ethtool_get_ringparam,

	.get_channels		= lio_ethtool_get_channels,

	.get_strings		= lio_vf_get_strings,

	.get_ethtool_stats	= lio_vf_get_ethtool_stats,

	.get_regs_len		= lio_get_regs_len,

	.get_regs		= lio_get_regs,

	.get_msglevel		= lio_get_msglevel,

	.set_msglevel		= lio_set_msglevel,

	.get_sset_count		= lio_vf_get_sset_count,

	.get_coalesce		= lio_get_intr_coalesce,

	.set_coalesce		= lio_set_intr_coalesce,

	.get_priv_flags		= lio_get_priv_flags,
@@ -2211,5 +2521,11 @@ static const struct ethtool_ops lio_ethtool_ops = { 


void liquidio_set_ethtool_ops(struct net_device *netdev)

{

	struct lio *lio = GET_LIO(netdev);

	struct octeon_device *oct = lio->oct_dev;



	if (OCTEON_CN23XX_VF(oct))

		netdev->ethtool_ops = &lio_vf_ethtool_ops;

	else

		netdev->ethtool_ops = &lio_ethtool_ops;

}

drivers/net/ethernet/cavium/liquidio/lio_vf_main.c

+79 −0
Original line number Diff line number Diff line
@@ -1823,6 +1823,56 @@ static int liquidio_set_mac(struct net_device *netdev, void *p) 
	return 0;

}



/**

 * \brief Net device get_stats

 * @param netdev network device

 */

static struct net_device_stats *liquidio_get_stats(struct net_device *netdev)

{

	struct lio *lio = GET_LIO(netdev);

	struct net_device_stats *stats = &netdev->stats;

	u64 pkts = 0, drop = 0, bytes = 0;

	struct oct_droq_stats *oq_stats;

	struct oct_iq_stats *iq_stats;

	struct octeon_device *oct;

	int i, iq_no, oq_no;



	oct = lio->oct_dev;



	for (i = 0; i < lio->linfo.num_txpciq; i++) {

		iq_no = lio->linfo.txpciq[i].s.q_no;

		iq_stats = &oct->instr_queue[iq_no]->stats;

		pkts += iq_stats->tx_done;

		drop += iq_stats->tx_dropped;

		bytes += iq_stats->tx_tot_bytes;

	}



	stats->tx_packets = pkts;

	stats->tx_bytes = bytes;

	stats->tx_dropped = drop;



	pkts = 0;

	drop = 0;

	bytes = 0;



	for (i = 0; i < lio->linfo.num_rxpciq; i++) {

		oq_no = lio->linfo.rxpciq[i].s.q_no;

		oq_stats = &oct->droq[oq_no]->stats;

		pkts += oq_stats->rx_pkts_received;

		drop += (oq_stats->rx_dropped +

			 oq_stats->dropped_nodispatch +

			 oq_stats->dropped_toomany +

			 oq_stats->dropped_nomem);

		bytes += oq_stats->rx_bytes_received;

	}



	stats->rx_bytes = bytes;

	stats->rx_packets = pkts;

	stats->rx_dropped = drop;



	return stats;

}



/**

 * \brief Net device change_mtu

 * @param netdev network device
@@ -2325,6 +2375,7 @@ static const struct net_device_ops lionetdevops = { 
	.ndo_open		= liquidio_open,

	.ndo_stop		= liquidio_stop,

	.ndo_start_xmit		= liquidio_xmit,

	.ndo_get_stats		= liquidio_get_stats,

	.ndo_set_mac_address	= liquidio_set_mac,

	.ndo_set_rx_mode	= liquidio_set_mcast_list,

	.ndo_tx_timeout		= liquidio_tx_timeout,
@@ -2614,6 +2665,13 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) 
			goto setup_nic_dev_fail;

		}



		/* Register ethtool support */

		liquidio_set_ethtool_ops(netdev);

		if (lio->oct_dev->chip_id == OCTEON_CN23XX_VF_VID)

			octeon_dev->priv_flags = OCT_PRIV_FLAG_DEFAULT;

		else

			octeon_dev->priv_flags = 0x0;



		if (netdev->features & NETIF_F_LRO)

			liquidio_set_feature(netdev, OCTNET_CMD_LRO_ENABLE,

					     OCTNIC_LROIPV4 | OCTNIC_LROIPV6);
@@ -2679,6 +2737,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) 
 */

static int liquidio_init_nic_module(struct octeon_device *oct)

{

	struct oct_intrmod_cfg *intrmod_cfg;

	int num_nic_ports = 1;

	int i, retval = 0;
@@ -2700,6 +2759,26 @@ static int liquidio_init_nic_module(struct octeon_device *oct) 
		goto octnet_init_failure;

	}



	/* Initialize interrupt moderation params */

	intrmod_cfg = &((struct octeon_device *)oct)->intrmod;

	intrmod_cfg->rx_enable = 1;

	intrmod_cfg->check_intrvl = LIO_INTRMOD_CHECK_INTERVAL;

	intrmod_cfg->maxpkt_ratethr = LIO_INTRMOD_MAXPKT_RATETHR;

	intrmod_cfg->minpkt_ratethr = LIO_INTRMOD_MINPKT_RATETHR;

	intrmod_cfg->rx_maxcnt_trigger = LIO_INTRMOD_RXMAXCNT_TRIGGER;

	intrmod_cfg->rx_maxtmr_trigger = LIO_INTRMOD_RXMAXTMR_TRIGGER;

	intrmod_cfg->rx_mintmr_trigger = LIO_INTRMOD_RXMINTMR_TRIGGER;

	intrmod_cfg->rx_mincnt_trigger = LIO_INTRMOD_RXMINCNT_TRIGGER;

	intrmod_cfg->tx_enable = 1;

	intrmod_cfg->tx_maxcnt_trigger = LIO_INTRMOD_TXMAXCNT_TRIGGER;

	intrmod_cfg->tx_mincnt_trigger = LIO_INTRMOD_TXMINCNT_TRIGGER;

	intrmod_cfg->rx_frames = CFG_GET_OQ_INTR_PKT(octeon_get_conf(oct));

	intrmod_cfg->rx_usecs = CFG_GET_OQ_INTR_TIME(octeon_get_conf(oct));

	intrmod_cfg->tx_frames = CFG_GET_IQ_INTR_PKT(octeon_get_conf(oct));

	dev_dbg(&oct->pci_dev->dev, "Network interfaces ready\n");



	return retval;



octnet_init_failure:



	oct->ifcount = 0;