diff options
Diffstat (limited to 'drivers/net/ethernet/wangxun/libwx/wx_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/wangxun/libwx/wx_ethtool.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c index 93cb6f2294e7..ddc5f6d20b9c 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c @@ -3,9 +3,171 @@ #include <linux/pci.h> #include <linux/phy.h> +#include <linux/ethtool.h> #include "wx_type.h" #include "wx_ethtool.h" +#include "wx_hw.h" + +struct wx_stats { + char stat_string[ETH_GSTRING_LEN]; + size_t sizeof_stat; + off_t stat_offset; +}; + +#define WX_STAT(str, m) { \ + .stat_string = str, \ + .sizeof_stat = sizeof(((struct wx *)0)->m), \ + .stat_offset = offsetof(struct wx, m) } + +static const struct wx_stats wx_gstrings_stats[] = { + WX_STAT("rx_dma_pkts", stats.gprc), + WX_STAT("tx_dma_pkts", stats.gptc), + WX_STAT("rx_dma_bytes", stats.gorc), + WX_STAT("tx_dma_bytes", stats.gotc), + WX_STAT("rx_total_pkts", stats.tpr), + WX_STAT("tx_total_pkts", stats.tpt), + WX_STAT("rx_long_length_count", stats.roc), + WX_STAT("rx_short_length_count", stats.ruc), + WX_STAT("os2bmc_rx_by_bmc", stats.o2bgptc), + WX_STAT("os2bmc_tx_by_bmc", stats.b2ospc), + WX_STAT("os2bmc_tx_by_host", stats.o2bspc), + WX_STAT("os2bmc_rx_by_host", stats.b2ogprc), + WX_STAT("rx_no_dma_resources", stats.rdmdrop), + WX_STAT("tx_busy", tx_busy), + WX_STAT("non_eop_descs", non_eop_descs), + WX_STAT("tx_restart_queue", restart_queue), + WX_STAT("rx_csum_offload_good_count", hw_csum_rx_good), + WX_STAT("rx_csum_offload_errors", hw_csum_rx_error), + WX_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed), +}; + +/* drivers allocates num_tx_queues and num_rx_queues symmetrically so + * we set the num_rx_queues to evaluate to num_tx_queues. This is + * used because we do not have a good way to get the max number of + * rx queues with CONFIG_RPS disabled. + */ +#define WX_NUM_RX_QUEUES netdev->num_tx_queues +#define WX_NUM_TX_QUEUES netdev->num_tx_queues + +#define WX_QUEUE_STATS_LEN ( \ + (WX_NUM_TX_QUEUES + WX_NUM_RX_QUEUES) * \ + (sizeof(struct wx_queue_stats) / sizeof(u64))) +#define WX_GLOBAL_STATS_LEN ARRAY_SIZE(wx_gstrings_stats) +#define WX_STATS_LEN (WX_GLOBAL_STATS_LEN + WX_QUEUE_STATS_LEN) + +int wx_get_sset_count(struct net_device *netdev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return WX_STATS_LEN; + default: + return -EOPNOTSUPP; + } +} +EXPORT_SYMBOL(wx_get_sset_count); + +void wx_get_strings(struct net_device *netdev, u32 stringset, u8 *data) +{ + u8 *p = data; + int i; + + switch (stringset) { + case ETH_SS_STATS: + for (i = 0; i < WX_GLOBAL_STATS_LEN; i++) + ethtool_sprintf(&p, wx_gstrings_stats[i].stat_string); + for (i = 0; i < netdev->num_tx_queues; i++) { + ethtool_sprintf(&p, "tx_queue_%u_packets", i); + ethtool_sprintf(&p, "tx_queue_%u_bytes", i); + } + for (i = 0; i < WX_NUM_RX_QUEUES; i++) { + ethtool_sprintf(&p, "rx_queue_%u_packets", i); + ethtool_sprintf(&p, "rx_queue_%u_bytes", i); + } + break; + } +} +EXPORT_SYMBOL(wx_get_strings); + +void wx_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, u64 *data) +{ + struct wx *wx = netdev_priv(netdev); + struct wx_ring *ring; + unsigned int start; + int i, j; + char *p; + + wx_update_stats(wx); + + for (i = 0; i < WX_GLOBAL_STATS_LEN; i++) { + p = (char *)wx + wx_gstrings_stats[i].stat_offset; + data[i] = (wx_gstrings_stats[i].sizeof_stat == + sizeof(u64)) ? *(u64 *)p : *(u32 *)p; + } + + for (j = 0; j < netdev->num_tx_queues; j++) { + ring = wx->tx_ring[j]; + if (!ring) { + data[i++] = 0; + data[i++] = 0; + continue; + } + + do { + start = u64_stats_fetch_begin(&ring->syncp); + data[i] = ring->stats.packets; + data[i + 1] = ring->stats.bytes; + } while (u64_stats_fetch_retry(&ring->syncp, start)); + i += 2; + } + for (j = 0; j < WX_NUM_RX_QUEUES; j++) { + ring = wx->rx_ring[j]; + if (!ring) { + data[i++] = 0; + data[i++] = 0; + continue; + } + + do { + start = u64_stats_fetch_begin(&ring->syncp); + data[i] = ring->stats.packets; + data[i + 1] = ring->stats.bytes; + } while (u64_stats_fetch_retry(&ring->syncp, start)); + i += 2; + } +} +EXPORT_SYMBOL(wx_get_ethtool_stats); + +void wx_get_mac_stats(struct net_device *netdev, + struct ethtool_eth_mac_stats *mac_stats) +{ + struct wx *wx = netdev_priv(netdev); + struct wx_hw_stats *hwstats; + + wx_update_stats(wx); + + hwstats = &wx->stats; + mac_stats->MulticastFramesXmittedOK = hwstats->mptc; + mac_stats->BroadcastFramesXmittedOK = hwstats->bptc; + mac_stats->MulticastFramesReceivedOK = hwstats->mprc; + mac_stats->BroadcastFramesReceivedOK = hwstats->bprc; +} +EXPORT_SYMBOL(wx_get_mac_stats); + +void wx_get_pause_stats(struct net_device *netdev, + struct ethtool_pause_stats *stats) +{ + struct wx *wx = netdev_priv(netdev); + struct wx_hw_stats *hwstats; + + wx_update_stats(wx); + + hwstats = &wx->stats; + stats->tx_pause_frames = hwstats->lxontxc + hwstats->lxofftxc; + stats->rx_pause_frames = hwstats->lxonoffrxc; +} +EXPORT_SYMBOL(wx_get_pause_stats); void wx_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info) { @@ -14,5 +176,12 @@ void wx_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info) strscpy(info->driver, wx->driver_name, sizeof(info->driver)); strscpy(info->fw_version, wx->eeprom_id, sizeof(info->fw_version)); strscpy(info->bus_info, pci_name(wx->pdev), sizeof(info->bus_info)); + if (wx->num_tx_queues <= WX_NUM_TX_QUEUES) { + info->n_stats = WX_STATS_LEN - + (WX_NUM_TX_QUEUES - wx->num_tx_queues) * + (sizeof(struct wx_queue_stats) / sizeof(u64)) * 2; + } else { + info->n_stats = WX_STATS_LEN; + } } EXPORT_SYMBOL(wx_get_drvinfo); |