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nvethernet: ethtool: counter for pkt_err stats got cleared

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Add counter for how many times pkt_err stats got cleared
using osi_clear_tx_pkt_err_stats and
osi_clear_rx_pkt_err_stats call.

Bug 200548007

Change-Id: I3f98256306f9104ad952ff1829c48ccce41c4d4e
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2304565
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
rakesh goyal
2020-02-28 15:57:36 +05:30
committed by Revanth Kumar Uppala
parent 9980e3e524
commit ecf995a8f7
1 changed files with 43 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/net/ethernet/nvidia/nvethernet/ethtool.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2018-2020, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -38,6 +38,27 @@ struct ether_stats {
size_t stat_offset;
};
/**
* @brief Name of pkt_err statistics, with length of name not more than
* ETH_GSTRING_LEN
*/
#define ETHER_PKT_ERR_STAT(y) \
{ (#y), FIELD_SIZEOF(struct osi_pkt_err_stats, y), \
offsetof(struct osi_dma_priv_data, pkt_err_stats.y)}
/**
* @brief ETHER clear pkt_err statistics
*/
static const struct ether_stats ether_cstrings_stats[] = {
/* Counter for pkt_err stats got cleared */
ETHER_PKT_ERR_STAT(clear_tx_err),
ETHER_PKT_ERR_STAT(clear_rx_err),
};
/**
* @brief clear pkt_err statistics array length
*/
#define ETHER_PKT_ERR_STAT_LEN OSI_ARRAY_SIZE(ether_cstrings_stats)
/**
* @brief Name of extra DMA stat, with length of name not more than ETH_GSTRING_LEN
*/
@@ -305,6 +326,14 @@ static void ether_get_ethtool_stats(struct net_device *dev,
data[j++] = (ether_dstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p);
}
for (i = 0; i < ETHER_PKT_ERR_STAT_LEN; i++) {
char *p = (char *)osi_dma +
ether_cstrings_stats[i].stat_offset;
data[j++] = (ether_cstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p);
}
}
}
@@ -343,6 +372,11 @@ static int ether_get_sset_count(struct net_device *dev, int sset)
} else {
len += ETHER_EXTRA_DMA_STAT_LEN;
}
if (INT_MAX - ETHER_PKT_ERR_STAT_LEN < len) {
/* do nothing */
} else {
len += ETHER_PKT_ERR_STAT_LEN;
}
} else {
len = -EOPNOTSUPP;
}
@@ -396,6 +430,14 @@ static void ether_get_strings(struct net_device *dev, u32 stringset, u8 *data)
}
p += ETH_GSTRING_LEN;
}
for (i = 0; i < ETHER_PKT_ERR_STAT_LEN; i++) {
str = (u8 *)ether_cstrings_stats[i].stat_string;
if (memcpy(p, str, ETH_GSTRING_LEN) ==
OSI_NULL) {
return;
}
p += ETH_GSTRING_LEN;
}
}
} else {
dev_err(pdata->dev, "%s() Unsupported stringset\n", __func__);