From: Ben Hutchings Date: Mon, 16 May 2011 16:32:39 +0000 (+0100) Subject: sfc: Fix TX queue numbering when separate_tx_channels=1 X-Git-Tag: firefly_0821_release~7613^2~1367^2~51^2~1 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=602a5322a7a1b6b005cb50d423939bb7a8782838;p=firefly-linux-kernel-4.4.55.git sfc: Fix TX queue numbering when separate_tx_channels=1 This option appears to have been broken by commit 8313aca38b3937947fffebca6e34bac8e24300c8 ('sfc: Allocate each channel separately, along with its RX and TX queues'). Signed-off-by: Ben Hutchings --- diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index 38a55e9e89e4..796c47e03f65 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -1319,8 +1319,20 @@ static void efx_remove_interrupts(struct efx_nic *efx) static void efx_set_channels(struct efx_nic *efx) { + struct efx_channel *channel; + struct efx_tx_queue *tx_queue; + 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 + * RX-only and TX-only channels. + */ + efx_for_each_channel(channel, efx) { + efx_for_each_channel_tx_queue(tx_queue, channel) + tx_queue->queue -= (efx->tx_channel_offset * + EFX_TXQ_TYPES); + } } static int efx_probe_nic(struct efx_nic *efx)