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nvethernet: dump HW features through debugfs

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cat /sys/kernel/debug/nvethernet-<interface>/hw_features to
dump the HW features

Bug 200563382

Change-Id: Ifd8eab0564123d1f588241fbadb739e6ef553114
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2338196
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: Rakesh Goyal <rgoyal@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Bhadram Varka
2020-04-09 16:11:10 +05:30
committed by Revanth Kumar Uppala
parent d7e0d58393
commit a921c9487b
3 changed files with 467 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/net/ethernet/nvidia/nvethernet/ether_linux.c
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@@ -4145,8 +4145,8 @@ static void init_filter_values(struct ether_priv_data *pdata)
pdata->num_mac_addr_regs = ETHER_ADDR_REG_CNT_128;
} else if (pdata->hw_feat.mac_addr32_sel == OSI_ENABLE) {
pdata->num_mac_addr_regs = ETHER_ADDR_REG_CNT_64;
} else if (pdata->hw_feat.mac_addr16_sel ==
EQOS_MAC_HFR0_ADDMACADRSEL_MASK) {
} else if (pdata->hw_feat.mac_addr_sel ==
(ETHER_ADDR_REG_CNT_32 - 1U)) {
pdata->num_mac_addr_regs = ETHER_ADDR_REG_CNT_32;
} else {
pdata->num_mac_addr_regs = ETHER_ADDR_REG_CNT_1;
@@ -4320,19 +4320,20 @@ static int ether_probe(struct platform_device *pdev)
ether_tx_usecs_hrtimer;
}
ret = register_netdev(ndev);
if (ret < 0) {
dev_err(&pdev->dev, "failed to register netdev\n");
goto err_netdev;
}
/* Register sysfs entry */
ret = ether_sysfs_register(pdata->dev);
ret = ether_sysfs_register(pdata);
if (ret < 0) {
dev_err(&pdev->dev,
"failed to create nvethernet sysfs group\n");
goto err_sysfs;
}
ret = register_netdev(ndev);
if (ret < 0) {
dev_err(&pdev->dev, "failed to register netdev\n");
goto err_netdev;
}
spin_lock_init(&pdata->rlock);
init_filter_values(pdata);
@@ -4351,9 +4352,9 @@ static int ether_probe(struct platform_device *pdev)
return 0;
err_netdev:
ether_sysfs_unregister(pdata->dev);
err_sysfs:
unregister_netdev(ndev);
err_netdev:
err_napi:
mdiobus_unregister(pdata->mii);
err_dma_mask:
@@ -4388,7 +4389,7 @@ static int ether_remove(struct platform_device *pdev)
unregister_netdev(ndev);
/* remove nvethernet sysfs group under /sys/devices/<ether_device>/ */
ether_sysfs_unregister(pdata->dev);
ether_sysfs_unregister(pdata);
if (pdata->mii != NULL) {
mdiobus_unregister(pdata->mii);