diff options
Diffstat (limited to 'drivers/net/sfc/ethtool.c')
| -rw-r--r-- | drivers/net/sfc/ethtool.c | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c index fd19d6ab97a2..7f735d804801 100644 --- a/drivers/net/sfc/ethtool.c +++ b/drivers/net/sfc/ethtool.c @@ -328,9 +328,10 @@ static int efx_fill_loopback_test(struct efx_nic *efx, unsigned int test_index, struct ethtool_string *strings, u64 *data) { + struct efx_channel *channel = efx_get_channel(efx, 0); struct efx_tx_queue *tx_queue; - efx_for_each_channel_tx_queue(tx_queue, &efx->channel[0]) { + efx_for_each_channel_tx_queue(tx_queue, channel) { efx_fill_test(test_index++, strings, data, &lb_tests->tx_sent[tx_queue->queue], EFX_TX_QUEUE_NAME(tx_queue), @@ -673,15 +674,15 @@ static int efx_ethtool_get_coalesce(struct net_device *net_dev, struct ethtool_coalesce *coalesce) { struct efx_nic *efx = netdev_priv(net_dev); - struct efx_tx_queue *tx_queue; struct efx_channel *channel; memset(coalesce, 0, sizeof(*coalesce)); /* Find lowest IRQ moderation across all used TX queues */ coalesce->tx_coalesce_usecs_irq = ~((u32) 0); - efx_for_each_tx_queue(tx_queue, efx) { - channel = tx_queue->channel; + efx_for_each_channel(channel, efx) { + if (!efx_channel_get_tx_queue(channel, 0)) + continue; if (channel->irq_moderation < coalesce->tx_coalesce_usecs_irq) { if (channel->channel < efx->n_rx_channels) coalesce->tx_coalesce_usecs_irq = @@ -708,7 +709,6 @@ static int efx_ethtool_set_coalesce(struct net_device *net_dev, { struct efx_nic *efx = netdev_priv(net_dev); struct efx_channel *channel; - struct efx_tx_queue *tx_queue; unsigned tx_usecs, rx_usecs, adaptive; if (coalesce->use_adaptive_tx_coalesce) @@ -725,8 +725,9 @@ static int efx_ethtool_set_coalesce(struct net_device *net_dev, adaptive = coalesce->use_adaptive_rx_coalesce; /* If the channel is shared only allow RX parameters to be set */ - efx_for_each_tx_queue(tx_queue, efx) { - if ((tx_queue->channel->channel < efx->n_rx_channels) && + efx_for_each_channel(channel, efx) { + if (efx_channel_get_rx_queue(channel) && + efx_channel_get_tx_queue(channel, 0) && tx_usecs) { netif_err(efx, drv, efx->net_dev, "Channel is shared. " "Only RX coalescing may be set\n"); @@ -741,6 +742,42 @@ static int efx_ethtool_set_coalesce(struct net_device *net_dev, return 0; } +static void efx_ethtool_get_ringparam(struct net_device *net_dev, + struct ethtool_ringparam *ring) +{ + struct efx_nic *efx = netdev_priv(net_dev); + + ring->rx_max_pending = EFX_MAX_DMAQ_SIZE; + ring->tx_max_pending = EFX_MAX_DMAQ_SIZE; + ring->rx_mini_max_pending = 0; + ring->rx_jumbo_max_pending = 0; + ring->rx_pending = efx->rxq_entries; + ring->tx_pending = efx->txq_entries; + ring->rx_mini_pending = 0; + ring->rx_jumbo_pending = 0; +} + +static int efx_ethtool_set_ringparam(struct net_device *net_dev, + struct ethtool_ringparam *ring) +{ + struct efx_nic *efx = netdev_priv(net_dev); + + if (ring->rx_mini_pending || ring->rx_jumbo_pending || + ring->rx_pending > EFX_MAX_DMAQ_SIZE || + ring->tx_pending > EFX_MAX_DMAQ_SIZE) + return -EINVAL; + + if (ring->rx_pending < EFX_MIN_RING_SIZE || + ring->tx_pending < EFX_MIN_RING_SIZE) { + netif_err(efx, drv, efx->net_dev, + "TX and RX queues cannot be smaller than %ld\n", + EFX_MIN_RING_SIZE); + return -EINVAL; + } + + return efx_realloc_channels(efx, ring->rx_pending, ring->tx_pending); +} + static int efx_ethtool_set_pauseparam(struct net_device *net_dev, struct ethtool_pauseparam *pause) { @@ -971,6 +1008,8 @@ const struct ethtool_ops efx_ethtool_ops = { .set_eeprom = efx_ethtool_set_eeprom, .get_coalesce = efx_ethtool_get_coalesce, .set_coalesce = efx_ethtool_set_coalesce, + .get_ringparam = efx_ethtool_get_ringparam, + .set_ringparam = efx_ethtool_set_ringparam, .get_pauseparam = efx_ethtool_get_pauseparam, .set_pauseparam = efx_ethtool_set_pauseparam, .get_rx_csum = efx_ethtool_get_rx_csum, |