efx_get_tx_channel
channel = efx_get_tx_channel(efx, skb_get_queue_mapping(skb));
channel = efx_get_tx_channel(efx, idx);
struct efx_channel *channel = efx_get_tx_channel(efx, index);
channel = efx_get_tx_channel(efx, qid / EFX_MAX_TXQ_PER_CHANNEL);
struct efx_channel *channel = efx_get_tx_channel(efx, index);
efx_tx_send_pending(efx_get_tx_channel(efx, index));
efx_tx_send_pending(efx_get_tx_channel(efx, index));
efx_tx_send_pending(efx_get_tx_channel(efx, index));
efx_tx_send_pending(efx_get_tx_channel(efx, index));