sfc: Create multiple TX queues

Create a core TX queue and 2 hardware TX queues for each channel.
If separate_tx_channels is set, create equal numbers of RX and TX
channels instead.

Rewrite the channel and queue iteration macros accordingly.
Eliminate efx_channel::used_flags as redundant.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index cbe9319f8322..22026bfbc4c1 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -647,7 +647,7 @@ static int efx_ethtool_get_coalesce(struct net_device *net_dev,
         efx_for_each_tx_queue(tx_queue, efx) {
                 channel = tx_queue->channel;
                 if (channel->irq_moderation < coalesce->tx_coalesce_usecs_irq) {
-                        if (channel->used_flags != EFX_USED_BY_RX_TX)
+                        if (channel->channel < efx->n_rx_channels)
                                 coalesce->tx_coalesce_usecs_irq =
                                         channel->irq_moderation;
                         else
@@ -690,7 +690,7 @@ static int efx_ethtool_set_coalesce(struct net_device *net_dev,
 
         /* If the channel is shared only allow RX parameters to be set */
         efx_for_each_tx_queue(tx_queue, efx) {
-                if ((tx_queue->channel->used_flags == EFX_USED_BY_RX_TX) &&
+                if ((tx_queue->channel->channel < efx->n_rx_channels) &&
                     tx_usecs) {
                         EFX_ERR(efx, "Channel is shared. "
                                 "Only RX coalescing may be set\n");