summaryrefslogtreecommitdiffstats
path: root/drivers/net/sfc/rx.c
diff options
context:
space:
mode:
authorBen Hutchings <bhutchings@solarflare.com>2009-10-23 08:30:58 +0000
committerDavid S. Miller <davem@davemloft.net>2009-10-24 04:27:05 -0700
commit3ffeabdd2bc62e0ebcb1a51a5d959a86a7a915fc (patch)
treea3b17cc4b0f8300aca46d67a6f9a362f6b052975 /drivers/net/sfc/rx.c
parent12d00cadcc45382fc127712aa35bd0c96cbf81d9 (diff)
downloadblackbird-op-linux-3ffeabdd2bc62e0ebcb1a51a5d959a86a7a915fc.tar.gz
blackbird-op-linux-3ffeabdd2bc62e0ebcb1a51a5d959a86a7a915fc.zip
sfc: Eliminate indirect lookups of queue size constants
Move size and mask definitions into efx.h; calculate page orders in falcon.c. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc/rx.c')
-rw-r--r--drivers/net/sfc/rx.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 01f9432c31ef..ea59ed25b0d8 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -293,8 +293,7 @@ static int __efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue,
* fill anyway.
*/
fill_level = (rx_queue->added_count - rx_queue->removed_count);
- EFX_BUG_ON_PARANOID(fill_level >
- rx_queue->efx->type->rxd_ring_mask + 1);
+ EFX_BUG_ON_PARANOID(fill_level > EFX_RXQ_SIZE);
/* Don't fill if we don't need to */
if (fill_level >= rx_queue->fast_fill_trigger)
@@ -316,8 +315,7 @@ static int __efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue,
retry:
/* Recalculate current fill level now that we have the lock */
fill_level = (rx_queue->added_count - rx_queue->removed_count);
- EFX_BUG_ON_PARANOID(fill_level >
- rx_queue->efx->type->rxd_ring_mask + 1);
+ EFX_BUG_ON_PARANOID(fill_level > EFX_RXQ_SIZE);
space = rx_queue->fast_fill_limit - fill_level;
if (space < EFX_RX_BATCH)
goto out_unlock;
@@ -329,8 +327,7 @@ static int __efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue,
do {
for (i = 0; i < EFX_RX_BATCH; ++i) {
- index = (rx_queue->added_count &
- rx_queue->efx->type->rxd_ring_mask);
+ index = rx_queue->added_count & EFX_RXQ_MASK;
rx_buf = efx_rx_buffer(rx_queue, index);
rc = efx_init_rx_buffer(rx_queue, rx_buf);
if (unlikely(rc))
@@ -629,7 +626,7 @@ int efx_probe_rx_queue(struct efx_rx_queue *rx_queue)
EFX_LOG(efx, "creating RX queue %d\n", rx_queue->queue);
/* Allocate RX buffers */
- rxq_size = (efx->type->rxd_ring_mask + 1) * sizeof(*rx_queue->buffer);
+ rxq_size = EFX_RXQ_SIZE * sizeof(*rx_queue->buffer);
rx_queue->buffer = kzalloc(rxq_size, GFP_KERNEL);
if (!rx_queue->buffer)
return -ENOMEM;
@@ -644,7 +641,6 @@ int efx_probe_rx_queue(struct efx_rx_queue *rx_queue)
void efx_init_rx_queue(struct efx_rx_queue *rx_queue)
{
- struct efx_nic *efx = rx_queue->efx;
unsigned int max_fill, trigger, limit;
EFX_LOG(rx_queue->efx, "initialising RX queue %d\n", rx_queue->queue);
@@ -657,7 +653,7 @@ void efx_init_rx_queue(struct efx_rx_queue *rx_queue)
rx_queue->min_overfill = -1U;
/* Initialise limit fields */
- max_fill = efx->type->rxd_ring_mask + 1 - EFX_RXD_HEAD_ROOM;
+ max_fill = EFX_RXQ_SIZE - EFX_RXD_HEAD_ROOM;
trigger = max_fill * min(rx_refill_threshold, 100U) / 100U;
limit = max_fill * min(rx_refill_limit, 100U) / 100U;
@@ -680,7 +676,7 @@ void efx_fini_rx_queue(struct efx_rx_queue *rx_queue)
/* Release RX buffers NB start at index 0 not current HW ptr */
if (rx_queue->buffer) {
- for (i = 0; i <= rx_queue->efx->type->rxd_ring_mask; i++) {
+ for (i = 0; i <= EFX_RXQ_MASK; i++) {
rx_buf = efx_rx_buffer(rx_queue, i);
efx_fini_rx_buffer(rx_queue, rx_buf);
}
OpenPOWER on IntegriCloud