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| author | Brian King <brking@linux.vnet.ibm.com> | 2007-08-17 09:16:43 -0500 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:50:44 -0700 |
| commit | ddbb4de9672097da2c0f19c6ebca0ebb5672e9b8 (patch) | |
| tree | 9569ed9b89cd75302ecd53b76bad554669afc3fa /drivers/net/ibmveth.c | |
| parent | 80e536770c2fcb8d2b7be9f5a36b85c36fd5943a (diff) | |
| download | linux-ddbb4de9672097da2c0f19c6ebca0ebb5672e9b8.tar.bz2 | |
ibmveth: Add ethtool driver stats hooks
Add ethtool hooks to ibmveth to retrieve driver statistics.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/ibmveth.c')
| -rw-r--r-- | drivers/net/ibmveth.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c index 9bf0f92d3a50..40cb00e37df6 100644 --- a/drivers/net/ibmveth.c +++ b/drivers/net/ibmveth.c @@ -113,6 +113,28 @@ MODULE_DESCRIPTION("IBM i/pSeries Virtual Ethernet Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(ibmveth_driver_version); +struct ibmveth_stat { + char name[ETH_GSTRING_LEN]; + int offset; +}; + +#define IBMVETH_STAT_OFF(stat) offsetof(struct ibmveth_adapter, stat) +#define IBMVETH_GET_STAT(a, off) *((u64 *)(((unsigned long)(a)) + off)) + +struct ibmveth_stat ibmveth_stats[] = { + { "replenish_task_cycles", IBMVETH_STAT_OFF(replenish_task_cycles) }, + { "replenish_no_mem", IBMVETH_STAT_OFF(replenish_no_mem) }, + { "replenish_add_buff_failure", IBMVETH_STAT_OFF(replenish_add_buff_failure) }, + { "replenish_add_buff_success", IBMVETH_STAT_OFF(replenish_add_buff_success) }, + { "rx_invalid_buffer", IBMVETH_STAT_OFF(rx_invalid_buffer) }, + { "rx_no_buffer", IBMVETH_STAT_OFF(rx_no_buffer) }, + { "tx_multidesc_send", IBMVETH_STAT_OFF(tx_multidesc_send) }, + { "tx_linearized", IBMVETH_STAT_OFF(tx_linearized) }, + { "tx_linearize_failed", IBMVETH_STAT_OFF(tx_linearize_failed) }, + { "tx_map_failed", IBMVETH_STAT_OFF(tx_map_failed) }, + { "tx_send_failed", IBMVETH_STAT_OFF(tx_send_failed) }, +}; + /* simple methods of getting data from the current rxq entry */ static inline int ibmveth_rxq_pending_buffer(struct ibmveth_adapter *adapter) { @@ -769,6 +791,32 @@ static u32 ibmveth_get_rx_csum(struct net_device *dev) return adapter->rx_csum; } +static void ibmveth_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + int i; + + if (stringset != ETH_SS_STATS) + return; + + for (i = 0; i < ARRAY_SIZE(ibmveth_stats); i++, data += ETH_GSTRING_LEN) + memcpy(data, ibmveth_stats[i].name, ETH_GSTRING_LEN); +} + +static int ibmveth_get_stats_count(struct net_device *dev) +{ + return ARRAY_SIZE(ibmveth_stats); +} + +static void ibmveth_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + int i; + struct ibmveth_adapter *adapter = dev->priv; + + for (i = 0; i < ARRAY_SIZE(ibmveth_stats); i++) + data[i] = IBMVETH_GET_STAT(adapter, ibmveth_stats[i].offset); +} + static const struct ethtool_ops netdev_ethtool_ops = { .get_drvinfo = netdev_get_drvinfo, .get_settings = netdev_get_settings, @@ -780,6 +828,9 @@ static const struct ethtool_ops netdev_ethtool_ops = { .set_rx_csum = ibmveth_set_rx_csum, .get_tso = ethtool_op_get_tso, .get_ufo = ethtool_op_get_ufo, + .get_strings = ibmveth_get_strings, + .get_stats_count = ibmveth_get_stats_count, + .get_ethtool_stats = ibmveth_get_ethtool_stats, }; static int ibmveth_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |