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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: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sudarsana Reddy Kalluru 2019-08-30 00:42:06 -07:00 committed by David S. Miller
parent 3b86bd0762
commit 849dbf0923
2 changed files with 28 additions and 2 deletions
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1
drivers/net/ethernet/qlogic/qede/qede.h
View File

@ -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
};

29
drivers/net/ethernet/qlogic/qede/qede_ethtool.c
View File

@ -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;