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authorSudarsana Reddy Kalluru <skalluru@marvell.com>2019-08-30 00:42:06 -0700
committerDavid S. Miller <davem@davemloft.net>2019-08-31 13:32:30 -0700
commit849dbf09234a432795e2e210de16a51ddb2228f5 (patch)
treef154e98c460194f01da92ec63f78fd1fe8ee4792 /drivers/net
parent3b86bd076284724489381e391f84a34078b3d5bc (diff)
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede.h1
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_ethtool.c29
2 files changed, 28 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h
index 8f2adde131e4..c303a92d5b06 100644
--- a/drivers/net/ethernet/qlogic/qede/qede.h
+++ b/drivers/net/ethernet/qlogic/qede/qede.h
@@ -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
};
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index 235929385d5a..ec27a43230d7 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -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;