sfc: Add explicit RX queue flag to channel

The PTP channel will have its own RX queue even though it's not
a regular traffic channel.

Original work by Ben Hutchings <bhutchings@solarflare.com>

Signed-off-by: Stuart Hodgson <smhodgson@solarflare.com>
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index a606db43c5ba..342a1f31e5b8 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -1451,10 +1451,16 @@ static void efx_set_channels(struct efx_nic *efx)
         efx->tx_channel_offset =
                 separate_tx_channels ? efx->n_channels - efx->n_tx_channels : 0;
 
-        /* We need to adjust the TX queue numbers if we have separate
+        /* We need to mark which channels really have RX and TX
+         * queues, and adjust the TX queue numbers if we have separate
          * RX-only and TX-only channels.
          */
         efx_for_each_channel(channel, efx) {
+                if (channel->channel < efx->n_rx_channels)
+                        channel->rx_queue.core_index = channel->channel;
+                else
+                        channel->rx_queue.core_index = -1;
+
                 efx_for_each_channel_tx_queue(tx_queue, channel)
                         tx_queue->queue -= (efx->tx_channel_offset *
                                             EFX_TXQ_TYPES);