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sfc: ef10: fix TX queue lookup in TX event handling

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[ Upstream commit 172e269edfce34bac7c61c15551816bda4b0f140 ]

We're starting from a TXQ label, not a TXQ type, so
 efx_channel_get_tx_queue() is inappropriate.  This worked by chance,
 because labels and types currently match on EF10, but we shouldn't
 rely on that.

Fixes: 12804793b1 ("sfc: decouple TXQ type from label")
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Edward Cree 2021-04-20 13:29:35 +01:00 committed by Greg Kroah-Hartman
parent 7459bb5943
commit 5231d17eb9
1 changed files with 1 additions and 2 deletions
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3
drivers/net/ethernet/sfc/ef10.c
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@ -2928,8 +2928,7 @@ efx_ef10_handle_tx_event(struct efx_channel *channel, efx_qword_t *event)
/* Get the transmit queue */
tx_ev_q_label = EFX_QWORD_FIELD(*event, ESF_DZ_TX_QLABEL);
tx_queue = efx_channel_get_tx_queue(channel,
tx_ev_q_label % EFX_MAX_TXQ_PER_CHANNEL);
tx_queue = channel->tx_queue + (tx_ev_q_label % EFX_MAX_TXQ_PER_CHANNEL);
if (!tx_queue->timestamping) {
/* Transmit completion */