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igc: Update driver to use ethtool_sprintf

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Complete to commit c8d4725e98 ("intel: Update drivers to use
ethtool_sprintf")
Update the igc driver to make use of ethtool_sprintf. The general idea
is to reduce code size and overhead by replacing the repeated pattern of
string printf statements and ETH_STRING_LEN counter increments.

Suggested-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Sasha Neftin 2021-04-12 17:41:07 +03:00 • committed by Tony Nguyen
parent ebbf5fcb94
commit 220ef1f97e
1 changed files with 13 additions and 26 deletions
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39
drivers/net/ethernet/intel/igc/igc_ethtool.c
View file

@ -765,35 +765,22 @@ static void igc_ethtool_get_strings(struct net_device *netdev, u32 stringset,
IGC_TEST_LEN * ETH_GSTRING_LEN);
break;
case ETH_SS_STATS:
for (i = 0; i < IGC_GLOBAL_STATS_LEN; i++) {
memcpy(p, igc_gstrings_stats[i].stat_string,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < IGC_NETDEV_STATS_LEN; i++) {
memcpy(p, igc_gstrings_net_stats[i].stat_string,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < IGC_GLOBAL_STATS_LEN; i++)
ethtool_sprintf(&p, igc_gstrings_stats[i].stat_string);
for (i = 0; i < IGC_NETDEV_STATS_LEN; i++)
ethtool_sprintf(&p,
igc_gstrings_net_stats[i].stat_string);
for (i = 0; i < adapter->num_tx_queues; i++) {
sprintf(p, "tx_queue_%u_packets", i);
p += ETH_GSTRING_LEN;
sprintf(p, "tx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
sprintf(p, "tx_queue_%u_restart", i);
p += ETH_GSTRING_LEN;
ethtool_sprintf(&p, "tx_queue_%u_packets", i);
ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
ethtool_sprintf(&p, "tx_queue_%u_restart", i);
}
for (i = 0; i < adapter->num_rx_queues; i++) {
sprintf(p, "rx_queue_%u_packets", i);
p += ETH_GSTRING_LEN;
sprintf(p, "rx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
sprintf(p, "rx_queue_%u_drops", i);
p += ETH_GSTRING_LEN;
sprintf(p, "rx_queue_%u_csum_err", i);
p += ETH_GSTRING_LEN;
sprintf(p, "rx_queue_%u_alloc_failed", i);
p += ETH_GSTRING_LEN;
ethtool_sprintf(&p, "rx_queue_%u_packets", i);
ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
ethtool_sprintf(&p, "rx_queue_%u_drops", i);
ethtool_sprintf(&p, "rx_queue_%u_csum_err", i);
ethtool_sprintf(&p, "rx_queue_%u_alloc_failed", i);
}
/* BUG_ON(p - data != IGC_STATS_LEN * ETH_GSTRING_LEN); */
break;