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tg3: 64 bit stats on all arches

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Now core network is able to handle 64 bit netdevice stats on 32 bit
arches, we can provide them for tg3, since hardware maintains 64 bit
counters.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2010-07-07 20:44:24 +00:00 committed by David S. Miller
parent 5d07bf2647
commit 511d22247b
2 changed files with 14 additions and 25 deletions
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35
drivers/net/tg3.c
View File

@ -9021,7 +9021,8 @@ err_out1:
return err;
}
static struct net_device_stats *tg3_get_stats(struct net_device *);
static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *,
struct rtnl_link_stats64 *);
static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
static int tg3_close(struct net_device *dev)
@ -9055,8 +9056,8 @@ static int tg3_close(struct net_device *dev)
tg3_ints_fini(tp);
memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
sizeof(tp->net_stats_prev));
tg3_get_stats64(tp->dev, &tp->net_stats_prev);
memcpy(&tp->estats_prev, tg3_get_estats(tp),
sizeof(tp->estats_prev));
@ -9069,24 +9070,12 @@ static int tg3_close(struct net_device *dev)
return 0;
}
static inline unsigned long get_stat64(tg3_stat64_t *val)
{
unsigned long ret;
#if (BITS_PER_LONG == 32)
ret = val->low;
#else
ret = ((u64)val->high << 32) | ((u64)val->low);
#endif
return ret;
}
static inline u64 get_estat64(tg3_stat64_t *val)
static inline u64 get_stat64(tg3_stat64_t *val)
{
return ((u64)val->high << 32) | ((u64)val->low);
}
static unsigned long calc_crc_errors(struct tg3 *tp)
static u64 calc_crc_errors(struct tg3 *tp)
{
struct tg3_hw_stats *hw_stats = tp->hw_stats;
@ -9114,7 +9103,7 @@ static unsigned long calc_crc_errors(struct tg3 *tp)
#define ESTAT_ADD(member) \
estats->member = old_estats->member + \
get_estat64(&hw_stats->member)
get_stat64(&hw_stats->member)
static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
{
@ -9204,11 +9193,11 @@ static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
return estats;
}
static struct net_device_stats *tg3_get_stats(struct net_device *dev)
static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *stats)
{
struct tg3 *tp = netdev_priv(dev);
struct net_device_stats *stats = &tp->net_stats;
struct net_device_stats *old_stats = &tp->net_stats_prev;
struct rtnl_link_stats64 *old_stats = &tp->net_stats_prev;
struct tg3_hw_stats *hw_stats = tp->hw_stats;
if (!hw_stats)
@ -14317,7 +14306,7 @@ static const struct net_device_ops tg3_netdev_ops = {
.ndo_open = tg3_open,
.ndo_stop = tg3_close,
.ndo_start_xmit = tg3_start_xmit,
.ndo_get_stats = tg3_get_stats,
.ndo_get_stats64 = tg3_get_stats64,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_multicast_list = tg3_set_rx_mode,
.ndo_set_mac_address = tg3_set_mac_addr,
@ -14336,7 +14325,7 @@ static const struct net_device_ops tg3_netdev_ops_dma_bug = {
.ndo_open = tg3_open,
.ndo_stop = tg3_close,
.ndo_start_xmit = tg3_start_xmit_dma_bug,
.ndo_get_stats = tg3_get_stats,
.ndo_get_stats64 = tg3_get_stats64,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_multicast_list = tg3_set_rx_mode,
.ndo_set_mac_address = tg3_set_mac_addr,

4
drivers/net/tg3.h
View File

@ -2772,8 +2772,8 @@ struct tg3 {
/* begin "everything else" cacheline(s) section */
struct net_device_stats net_stats;
struct net_device_stats net_stats_prev;
struct rtnl_link_stats64 net_stats;
struct rtnl_link_stats64 net_stats_prev;
struct tg3_ethtool_stats estats;
struct tg3_ethtool_stats estats_prev;