Commit 849dbf09 authored by Sudarsana Reddy Kalluru's avatar Sudarsana Reddy Kalluru Committed by David S. Miller
Browse files

qede: Add support for dumping the grc data. 



This patch adds driver support for configuring grc dump config flags, and
dumping the grc data via ethtool get/set-dump interfaces.

Signed-off-by: default avatarSudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: default avatarAriel Elior <aelior@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3b86bd07

drivers/net/ethernet/qlogic/qede/qede.h

+1 −0
Original line number Diff line number Diff line
@@ -181,6 +181,7 @@ enum qede_flags_bit { 
enum qede_dump_cmd {

	QEDE_DUMP_CMD_NONE = 0,

	QEDE_DUMP_CMD_NVM_CFG,

	QEDE_DUMP_CMD_GRCDUMP,

	QEDE_DUMP_CMD_MAX

};

drivers/net/ethernet/qlogic/qede/qede_ethtool.c

+27 −2
Original line number Diff line number Diff line
@@ -2001,6 +2001,10 @@ static int qede_set_dump(struct net_device *dev, struct ethtool_dump *val) 
		edev->dump_info.args[edev->dump_info.num_args] = val->flag;

		edev->dump_info.num_args++;

		break;

	case QEDE_DUMP_CMD_GRCDUMP:

		rc = edev->ops->common->set_grc_config(edev->cdev,

						       val->flag, 1);

		break;

	default:

		break;

	}
@@ -2013,14 +2017,24 @@ static int qede_get_dump_flag(struct net_device *dev, 
{

	struct qede_dev *edev = netdev_priv(dev);



	if (!edev->ops || !edev->ops->common) {

		DP_ERR(edev, "Edev ops not populated\n");

		return -EINVAL;

	}



	dump->version = QEDE_DUMP_VERSION;

	switch (edev->dump_info.cmd) {

	case QEDE_DUMP_CMD_NVM_CFG:

		dump->flag = QEDE_DUMP_CMD_NVM_CFG;

		dump->len = QEDE_DUMP_NVM_BUF_LEN;

		break;

	default:

	case QEDE_DUMP_CMD_GRCDUMP:

		dump->flag = QEDE_DUMP_CMD_GRCDUMP;

		dump->len = edev->ops->common->dbg_all_data_size(edev->cdev);

		break;

	default:

		DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd);

		return -EINVAL;

	}



	DP_VERBOSE(edev, QED_MSG_DEBUG,
@@ -2033,7 +2047,14 @@ static int qede_get_dump_data(struct net_device *dev, 
			      struct ethtool_dump *dump, void *buf)

{

	struct qede_dev *edev = netdev_priv(dev);

	int rc;

	int rc = 0;



	if (!edev->ops || !edev->ops->common) {

		DP_ERR(edev, "Edev ops not populated\n");

		edev->dump_info.cmd = QEDE_DUMP_CMD_NONE;

		edev->dump_info.num_args = 0;

		return -EINVAL;

	}



	switch (edev->dump_info.cmd) {

	case QEDE_DUMP_CMD_NVM_CFG:
@@ -2047,6 +2068,10 @@ static int qede_get_dump_data(struct net_device *dev, 
						      edev->dump_info.args[0],

						      edev->dump_info.args[1]);

		break;

	case QEDE_DUMP_CMD_GRCDUMP:

		memset(buf, 0, dump->len);

		rc = edev->ops->common->dbg_all_data(edev->cdev, buf);

		break;

	default:

		DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd);

		rc = -EINVAL;

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