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ice: Add code to get DCB related statistics

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This patch adds a new function ice_update_dcb_stats to get DCB stats
from the hardware and ethtool support for displaying these stats.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Anirudh Venkataramanan 2019-02-28 15:24:29 -08:00 • committed by Jeff Kirsher
parent 5f6aa50e4e
commit 4b0fdceb81
6 changed files with 86 additions and 2 deletions
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36
drivers/net/ethernet/intel/ice/ice_ethtool.c
View file

@ -33,8 +33,14 @@ static int ice_q_stats_len(struct net_device *netdev)
#define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats)
#define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats)
#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_VSI_STATS_LEN + \
ice_q_stats_len(n))
#define ICE_PFC_STATS_LEN ( \
(FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_rx) + \
FIELD_SIZEOF(struct ice_pf, stats.priority_xon_rx) + \
FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_tx) + \
FIELD_SIZEOF(struct ice_pf, stats.priority_xon_tx)) \
/ sizeof(u64))
#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
ICE_VSI_STATS_LEN + ice_q_stats_len(n))
static const struct ice_stats ice_gstrings_vsi_stats[] = {
ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
@ -309,6 +315,22 @@ static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
p += ETH_GSTRING_LEN;
}
for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
snprintf(p, ETH_GSTRING_LEN,
"port.tx-priority-%u-xon", i);
p += ETH_GSTRING_LEN;
snprintf(p, ETH_GSTRING_LEN,
"port.tx-priority-%u-xoff", i);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
snprintf(p, ETH_GSTRING_LEN,
"port.rx-priority-%u-xon", i);
p += ETH_GSTRING_LEN;
snprintf(p, ETH_GSTRING_LEN,
"port.rx-priority-%u-xoff", i);
p += ETH_GSTRING_LEN;
}
break;
case ETH_SS_PRIV_FLAGS:
for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
@ -486,6 +508,16 @@ ice_get_ethtool_stats(struct net_device *netdev,
data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
data[i++] = pf->stats.priority_xon_tx[j];
data[i++] = pf->stats.priority_xoff_tx[j];
}
for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
data[i++] = pf->stats.priority_xon_rx[j];
data[i++] = pf->stats.priority_xoff_rx[j];
}
}
/**