forked from luck/tmp_suning_uos_patched
igb: Fix erroneous display of stats by ethtool -S
Commit 337e067d overlooked the way offsets for netdev stats were considered. Because of this some of the stats shown by ethtool -S were wrong. This patch fixes it. Signed-off-by: Ajit Khaparde <ajitk@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -37,16 +37,22 @@
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#include "igb.h"
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#include "igb.h"
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enum {NETDEV_STATS, IGB_STATS};
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struct igb_stats {
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struct igb_stats {
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char stat_string[ETH_GSTRING_LEN];
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char stat_string[ETH_GSTRING_LEN];
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int type;
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int sizeof_stat;
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int sizeof_stat;
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int stat_offset;
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int stat_offset;
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};
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};
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#define IGB_STAT(m) FIELD_SIZEOF(struct igb_adapter, m), \
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#define IGB_STAT(m) IGB_STATS, \
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offsetof(struct igb_adapter, m)
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FIELD_SIZEOF(struct igb_adapter, m), \
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#define IGB_NETDEV_STAT(m) FIELD_SIZEOF(struct net_device, m), \
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offsetof(struct igb_adapter, m)
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offsetof(struct net_device, m)
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#define IGB_NETDEV_STAT(m) NETDEV_STATS, \
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FIELD_SIZEOF(struct net_device, m), \
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offsetof(struct net_device, m)
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static const struct igb_stats igb_gstrings_stats[] = {
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static const struct igb_stats igb_gstrings_stats[] = {
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{ "rx_packets", IGB_STAT(stats.gprc) },
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{ "rx_packets", IGB_STAT(stats.gprc) },
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{ "tx_packets", IGB_STAT(stats.gptc) },
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{ "tx_packets", IGB_STAT(stats.gptc) },
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@ -1959,10 +1965,21 @@ static void igb_get_ethtool_stats(struct net_device *netdev,
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int stat_count_rx = sizeof(struct igb_rx_queue_stats) / sizeof(u64);
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int stat_count_rx = sizeof(struct igb_rx_queue_stats) / sizeof(u64);
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int j;
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int j;
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int i;
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int i;
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char *p = NULL;
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igb_update_stats(adapter);
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igb_update_stats(adapter);
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for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
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for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
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char *p = (char *)adapter+igb_gstrings_stats[i].stat_offset;
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switch (igb_gstrings_stats[i].type) {
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case NETDEV_STATS:
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p = (char *) netdev +
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igb_gstrings_stats[i].stat_offset;
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break;
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case IGB_STATS:
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p = (char *) adapter +
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igb_gstrings_stats[i].stat_offset;
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break;
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}
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data[i] = (igb_gstrings_stats[i].sizeof_stat ==
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data[i] = (igb_gstrings_stats[i].sizeof_stat ==
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sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
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sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
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}
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}
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