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ixgbe: Fix erroneous display of stats by ethtool -S

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Commit 59aa3cc4 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>
This commit is contained in:
Ajit Khaparde 2009-10-13 01:47:33 +00:00 committed by David S. Miller
parent 70f9cf8951
commit 29c3a050f8
1 changed files with 22 additions and 5 deletions
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27
drivers/net/ixgbe/ixgbe_ethtool.c
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@ -40,16 +40,22 @@
#define IXGBE_ALL_RAR_ENTRIES 16
enum {NETDEV_STATS, IXGBE_STATS};
struct ixgbe_stats {
char stat_string[ETH_GSTRING_LEN];
int type;
int sizeof_stat;
int stat_offset;
};
#define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
offsetof(struct ixgbe_adapter, m)
#define IXGBE_NETDEV_STAT(m) sizeof(((struct net_device *)0)->m), \
offsetof(struct net_device, m)
#define IXGBE_STAT(m) IXGBE_STATS, \
sizeof(((struct ixgbe_adapter *)0)->m), \
offsetof(struct ixgbe_adapter, m)
#define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \
sizeof(((struct net_device *)0)->m), \
offsetof(struct net_device, m)
static struct ixgbe_stats ixgbe_gstrings_stats[] = {
{"rx_packets", IXGBE_NETDEV_STAT(stats.rx_packets)},
{"tx_packets", IXGBE_NETDEV_STAT(stats.tx_packets)},
@ -931,10 +937,21 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev,
int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
int j, k;
int i;
char *p = NULL;
ixgbe_update_stats(adapter);
for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
switch (ixgbe_gstrings_stats[i].type) {
case NETDEV_STATS:
p = (char *) netdev +
ixgbe_gstrings_stats[i].stat_offset;
break;
case IXGBE_STATS:
p = (char *) adapter +
ixgbe_gstrings_stats[i].stat_offset;
break;
}
data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}