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| author |   Govindarajulu Varadarajan <_govind@gmx.com> | 2014-12-24 15:59:38 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-12-31 13:08:45 -0500 |
| commit | 58feff07e9c964a88f82d13d272d384bd4274a33 (patch) | |
| tree | 5ad7ef704398f5dd859fac7a14831bdcc8389a8d /drivers/net/ethernet/cisco/enic/enic_ethtool.c | |
| parent | enic: check dma_mapping_error (diff) | |
| download | linux-dev-58feff07e9c964a88f82d13d272d384bd4274a33.tar.xz linux-dev-58feff07e9c964a88f82d13d272d384bd4274a33.zip | |
enic: add stats for dma mapping error
This patch adds generic statistics for enic. As of now dma_map_error is the only
member. dma_map_erro is incremented every time dma maping error happens.
Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cisco/enic/enic_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_ethtool.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_ethtool.c b/drivers/net/ethernet/cisco/enic/enic_ethtool.c index eba1eb846d34..0c396c1f55dc 100644 --- a/drivers/net/ethernet/cisco/enic/enic_ethtool.c +++ b/drivers/net/ethernet/cisco/enic/enic_ethtool.c @@ -24,6 +24,7 @@ #include "enic_dev.h" #include "enic_clsf.h" #include "vnic_rss.h" +#include "vnic_stats.h" struct enic_stat { char name[ETH_GSTRING_LEN]; @@ -40,6 +41,11 @@ struct enic_stat { .index = offsetof(struct vnic_rx_stats, stat) / sizeof(u64) \ } +#define ENIC_GEN_STAT(stat) { \ + .name = #stat, \ + .index = offsetof(struct vnic_gen_stats, stat) / sizeof(u64)\ +} + static const struct enic_stat enic_tx_stats[] = { ENIC_TX_STAT(tx_frames_ok), ENIC_TX_STAT(tx_unicast_frames_ok), @@ -78,8 +84,13 @@ static const struct enic_stat enic_rx_stats[] = { ENIC_RX_STAT(rx_frames_to_max), }; +static const struct enic_stat enic_gen_stats[] = { + ENIC_GEN_STAT(dma_map_error), +}; + static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats); static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats); +static const unsigned int enic_n_gen_stats = ARRAY_SIZE(enic_gen_stats); void enic_intr_coal_set_rx(struct enic *enic, u32 timer) { @@ -146,6 +157,10 @@ static void enic_get_strings(struct net_device *netdev, u32 stringset, memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN); data += ETH_GSTRING_LEN; } + for (i = 0; i < enic_n_gen_stats; i++) { + memcpy(data, enic_gen_stats[i].name, ETH_GSTRING_LEN); + data += ETH_GSTRING_LEN; + } break; } } @@ -154,7 +169,7 @@ static int enic_get_sset_count(struct net_device *netdev, int sset) { switch (sset) { case ETH_SS_STATS: - return enic_n_tx_stats + enic_n_rx_stats; + return enic_n_tx_stats + enic_n_rx_stats + enic_n_gen_stats; default: return -EOPNOTSUPP; } @@ -173,6 +188,8 @@ static void enic_get_ethtool_stats(struct net_device *netdev, *(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index]; for (i = 0; i < enic_n_rx_stats; i++) *(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index]; + for (i = 0; i < enic_n_gen_stats; i++) + *(data++) = ((u64 *)&enic->gen_stats)[enic_gen_stats[i].index]; } static u32 enic_get_msglevel(struct net_device *netdev) |