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sfc: decouple TXQ type from label

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Make it possible to have an arbitrary mapping from types to labels,
 because when we add inner-csum-offload TXQs there will no longer be a
 convenient nesting hierarchy of NIC types (EF10 will have inner-csum
 TXQs, while Siena will have HIGHPRI).
Correct a misleading comment on efx_hard_start_xmit().

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree
2020-09-11 23:39:02 +01:00
committed by David S. Miller
parent 4a681bf345
commit 12804793b1
11 changed files with 64 additions and 43 deletions
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5
drivers/net/ethernet/sfc/ef10.c
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@@ -2146,6 +2146,7 @@ static int efx_ef10_irq_test_generate(struct efx_nic *efx)
static int efx_ef10_tx_probe(struct efx_tx_queue *tx_queue)
{
tx_queue->type = tx_queue->label & EFX_TXQ_TYPE_OFFLOAD;
return efx_nic_alloc_buffer(tx_queue->efx, &tx_queue->txd.buf,
(tx_queue->ptr_mask + 1) *
sizeof(efx_qword_t),
@@ -2254,7 +2255,7 @@ static u32 efx_ef10_tso_versions(struct efx_nic *efx)
static void efx_ef10_tx_init(struct efx_tx_queue *tx_queue)
{
bool csum_offload = tx_queue->label & EFX_TXQ_TYPE_OFFLOAD;
bool csum_offload = tx_queue->type & EFX_TXQ_TYPE_OFFLOAD;
struct efx_channel *channel = tx_queue->channel;
struct efx_nic *efx = tx_queue->efx;
struct efx_ef10_nic_data *nic_data;
@@ -2880,7 +2881,7 @@ 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_TXQ_TYPES);
tx_ev_q_label % EFX_MAX_TXQ_PER_CHANNEL);
if (!tx_queue->timestamping) {
/* Transmit completion */