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path: root/drivers/net/sfc/nic.c
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Diffstat (limited to 'drivers/net/sfc/nic.c')
-rw-r--r--drivers/net/sfc/nic.c85
1 files changed, 49 insertions, 36 deletions
diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c
index be4d5524054f..9e3563348eb7 100644
--- a/drivers/net/sfc/nic.c
+++ b/drivers/net/sfc/nic.c
@@ -682,7 +682,8 @@ efx_handle_tx_event(struct efx_channel *channel, efx_qword_t *event)
/* Transmit completion */
tx_ev_desc_ptr = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_DESC_PTR);
tx_ev_q_label = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_Q_LABEL);
- tx_queue = &efx->tx_queue[tx_ev_q_label];
+ tx_queue = efx_channel_get_tx_queue(
+ channel, tx_ev_q_label % EFX_TXQ_TYPES);
tx_packets = ((tx_ev_desc_ptr - tx_queue->read_count) &
EFX_TXQ_MASK);
channel->irq_mod_score += tx_packets;
@@ -690,7 +691,8 @@ efx_handle_tx_event(struct efx_channel *channel, efx_qword_t *event)
} else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_WQ_FF_FULL)) {
/* Rewrite the FIFO write pointer */
tx_ev_q_label = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_Q_LABEL);
- tx_queue = &efx->tx_queue[tx_ev_q_label];
+ tx_queue = efx_channel_get_tx_queue(
+ channel, tx_ev_q_label % EFX_TXQ_TYPES);
if (efx_dev_registered(efx))
netif_tx_lock(efx->net_dev);
@@ -830,7 +832,7 @@ efx_handle_rx_event(struct efx_channel *channel, const efx_qword_t *event)
WARN_ON(EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_Q_LABEL) !=
channel->channel);
- rx_queue = &efx->rx_queue[channel->channel];
+ rx_queue = efx_channel_get_rx_queue(channel);
rx_ev_desc_ptr = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_DESC_PTR);
expected_ptr = rx_queue->removed_count & EFX_RXQ_MASK;
@@ -882,7 +884,7 @@ efx_handle_generated_event(struct efx_channel *channel, efx_qword_t *event)
/* The queue must be empty, so we won't receive any rx
* events, so efx_process_channel() won't refill the
* queue. Refill it here */
- efx_fast_push_rx_descriptors(&efx->rx_queue[channel->channel]);
+ efx_fast_push_rx_descriptors(efx_channel_get_rx_queue(channel));
else
netif_dbg(efx, hw, efx->net_dev, "channel %d received "
"generated event "EFX_QWORD_FMT"\n",
@@ -1166,7 +1168,7 @@ void efx_nic_generate_fill_event(struct efx_channel *channel)
static void efx_poll_flush_events(struct efx_nic *efx)
{
- struct efx_channel *channel = &efx->channel[0];
+ struct efx_channel *channel = efx_get_channel(efx, 0);
struct efx_tx_queue *tx_queue;
struct efx_rx_queue *rx_queue;
unsigned int read_ptr = channel->eventq_read_ptr;
@@ -1188,7 +1190,9 @@ static void efx_poll_flush_events(struct efx_nic *efx)
ev_queue = EFX_QWORD_FIELD(*event,
FSF_AZ_DRIVER_EV_SUBDATA);
if (ev_queue < EFX_TXQ_TYPES * efx->n_tx_channels) {
- tx_queue = efx->tx_queue + ev_queue;
+ tx_queue = efx_get_tx_queue(
+ efx, ev_queue / EFX_TXQ_TYPES,
+ ev_queue % EFX_TXQ_TYPES);
tx_queue->flushed = FLUSH_DONE;
}
} else if (ev_code == FSE_AZ_EV_CODE_DRIVER_EV &&
@@ -1198,7 +1202,7 @@ static void efx_poll_flush_events(struct efx_nic *efx)
ev_failed = EFX_QWORD_FIELD(
*event, FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL);
if (ev_queue < efx->n_rx_channels) {
- rx_queue = efx->rx_queue + ev_queue;
+ rx_queue = efx_get_rx_queue(efx, ev_queue);
rx_queue->flushed =
ev_failed ? FLUSH_FAILED : FLUSH_DONE;
}
@@ -1219,6 +1223,7 @@ static void efx_poll_flush_events(struct efx_nic *efx)
* serialise them */
int efx_nic_flush_queues(struct efx_nic *efx)
{
+ struct efx_channel *channel;
struct efx_rx_queue *rx_queue;
struct efx_tx_queue *tx_queue;
int i, tx_pending, rx_pending;
@@ -1227,29 +1232,35 @@ int efx_nic_flush_queues(struct efx_nic *efx)
efx->type->prepare_flush(efx);
/* Flush all tx queues in parallel */
- efx_for_each_tx_queue(tx_queue, efx)
- efx_flush_tx_queue(tx_queue);
+ efx_for_each_channel(channel, efx) {
+ efx_for_each_channel_tx_queue(tx_queue, channel)
+ efx_flush_tx_queue(tx_queue);
+ }
/* The hardware supports four concurrent rx flushes, each of which may
* need to be retried if there is an outstanding descriptor fetch */
for (i = 0; i < EFX_FLUSH_POLL_COUNT; ++i) {
rx_pending = tx_pending = 0;
- efx_for_each_rx_queue(rx_queue, efx) {
- if (rx_queue->flushed == FLUSH_PENDING)
- ++rx_pending;
- }
- efx_for_each_rx_queue(rx_queue, efx) {
- if (rx_pending == EFX_RX_FLUSH_COUNT)
- break;
- if (rx_queue->flushed == FLUSH_FAILED ||
- rx_queue->flushed == FLUSH_NONE) {
- efx_flush_rx_queue(rx_queue);
- ++rx_pending;
+ efx_for_each_channel(channel, efx) {
+ efx_for_each_channel_rx_queue(rx_queue, channel) {
+ if (rx_queue->flushed == FLUSH_PENDING)
+ ++rx_pending;
}
}
- efx_for_each_tx_queue(tx_queue, efx) {
- if (tx_queue->flushed != FLUSH_DONE)
- ++tx_pending;
+ efx_for_each_channel(channel, efx) {
+ efx_for_each_channel_rx_queue(rx_queue, channel) {
+ if (rx_pending == EFX_RX_FLUSH_COUNT)
+ break;
+ if (rx_queue->flushed == FLUSH_FAILED ||
+ rx_queue->flushed == FLUSH_NONE) {
+ efx_flush_rx_queue(rx_queue);
+ ++rx_pending;
+ }
+ }
+ efx_for_each_channel_tx_queue(tx_queue, channel) {
+ if (tx_queue->flushed != FLUSH_DONE)
+ ++tx_pending;
+ }
}
if (rx_pending == 0 && tx_pending == 0)
@@ -1261,19 +1272,21 @@ int efx_nic_flush_queues(struct efx_nic *efx)
/* Mark the queues as all flushed. We're going to return failure
* leading to a reset, or fake up success anyway */
- efx_for_each_tx_queue(tx_queue, efx) {
- if (tx_queue->flushed != FLUSH_DONE)
- netif_err(efx, hw, efx->net_dev,
- "tx queue %d flush command timed out\n",
- tx_queue->queue);
- tx_queue->flushed = FLUSH_DONE;
- }
- efx_for_each_rx_queue(rx_queue, efx) {
- if (rx_queue->flushed != FLUSH_DONE)
- netif_err(efx, hw, efx->net_dev,
- "rx queue %d flush command timed out\n",
- efx_rx_queue_index(rx_queue));
- rx_queue->flushed = FLUSH_DONE;
+ efx_for_each_channel(channel, efx) {
+ efx_for_each_channel_tx_queue(tx_queue, channel) {
+ if (tx_queue->flushed != FLUSH_DONE)
+ netif_err(efx, hw, efx->net_dev,
+ "tx queue %d flush command timed out\n",
+ tx_queue->queue);
+ tx_queue->flushed = FLUSH_DONE;
+ }
+ efx_for_each_channel_rx_queue(rx_queue, channel) {
+ if (rx_queue->flushed != FLUSH_DONE)
+ netif_err(efx, hw, efx->net_dev,
+ "rx queue %d flush command timed out\n",
+ efx_rx_queue_index(rx_queue));
+ rx_queue->flushed = FLUSH_DONE;
+ }
}
return -ETIMEDOUT;