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| author | Ajit Khaparde <ajitk@serverengines.com> | 2009-10-13 01:45:48 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-13 11:48:28 -0700 |
| commit | 8328c38fcda2743249fd142174acf025d4cdd21f (patch) | |
| tree | 40c920ed68896e0c71290d2e0b00cac5108ac8b5 /drivers/net/e1000 | |
| parent | e0f36a95c7adb6551188cdcc5a7031ce106fccbf (diff) | |
| download | linux-stable-8328c38fcda2743249fd142174acf025d4cdd21f.tar.gz linux-stable-8328c38fcda2743249fd142174acf025d4cdd21f.tar.bz2 linux-stable-8328c38fcda2743249fd142174acf025d4cdd21f.zip | |
e1000: Fix erroneous display of stats by ethtool -S
Commit 23d26497 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>
Diffstat (limited to 'drivers/net/e1000')
| -rw-r--r-- | drivers/net/e1000/e1000_ethtool.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index e25b339eb5bd..ffbae0a0b4f1 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -31,16 +31,22 @@ #include "e1000.h" #include <asm/uaccess.h> +enum {NETDEV_STATS, E1000_STATS}; + struct e1000_stats { char stat_string[ETH_GSTRING_LEN]; + int type; int sizeof_stat; int stat_offset; }; -#define E1000_STAT(m) FIELD_SIZEOF(struct e1000_adapter, m), \ - offsetof(struct e1000_adapter, m) -#define E1000_NETDEV_STAT(m) FIELD_SIZEOF(struct net_device, m), \ - offsetof(struct net_device, m) +#define E1000_STAT(m) E1000_STATS, \ + sizeof(((struct e1000_adapter *)0)->m), \ + offsetof(struct e1000_adapter, m) +#define E1000_NETDEV_STAT(m) NETDEV_STATS, \ + sizeof(((struct net_device *)0)->m), \ + offsetof(struct net_device, m) + static const struct e1000_stats e1000_gstrings_stats[] = { { "rx_packets", E1000_STAT(stats.gprc) }, { "tx_packets", E1000_STAT(stats.gptc) }, @@ -1832,10 +1838,21 @@ static void e1000_get_ethtool_stats(struct net_device *netdev, { struct e1000_adapter *adapter = netdev_priv(netdev); int i; + char *p = NULL; e1000_update_stats(adapter); for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { - char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset; + switch (e1000_gstrings_stats[i].type) { + case NETDEV_STATS: + p = (char *) netdev + + e1000_gstrings_stats[i].stat_offset; + break; + case E1000_STATS: + p = (char *) adapter + + e1000_gstrings_stats[i].stat_offset; + break; + } + data[i] = (e1000_gstrings_stats[i].sizeof_stat == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } |