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authorBen Hutchings <bhutchings@solarflare.com>2013-01-29 23:33:15 +0000
committerBen Hutchings <bhutchings@solarflare.com>2013-03-07 20:22:09 +0000
commitb184f16b7feb9ede7d658ee6f2c77434d580d764 (patch)
tree1880814cb198d48664bfda545e7aa6df86fcd995 /drivers/net/ethernet/sfc/rx.c
parentff734ef4bca05fd5cd51b83d2e2a9f008b64f9a3 (diff)
sfc: Replace efx_rx_buf_eh() with simpler efx_rx_buf_va()
efx_rx_buf_va() returns the virtual address of the current start of the buffer. The callers must add the hash prefix size themselves. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/ethernet/sfc/rx.c')
-rw-r--r--drivers/net/ethernet/sfc/rx.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index 60f4eb7cebc..23d67d1f136 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -54,9 +54,9 @@ static inline unsigned int efx_rx_buf_offset(struct efx_nic *efx,
return buf->page_offset + efx->type->rx_buffer_hash_size;
}
-static u8 *efx_rx_buf_eh(struct efx_nic *efx, struct efx_rx_buffer *buf)
+static inline u8 *efx_rx_buf_va(struct efx_rx_buffer *buf)
{
- return page_address(buf->page) + efx_rx_buf_offset(efx, buf);
+ return page_address(buf->page) + buf->page_offset;
}
static inline u32 efx_rx_buf_hash(const u8 *eh)
@@ -458,7 +458,7 @@ void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
/* Prefetch nice and early so data will (hopefully) be in cache by
* the time we look at it.
*/
- prefetch(efx_rx_buf_eh(efx, rx_buf));
+ prefetch(efx_rx_buf_va(rx_buf) + efx->type->rx_buffer_hash_size);
/* Pipeline receives so that we give time for packet headers to be
* prefetched into cache.
@@ -497,7 +497,7 @@ static void efx_rx_deliver(struct efx_channel *channel, u8 *eh,
void __efx_rx_packet(struct efx_channel *channel, struct efx_rx_buffer *rx_buf)
{
struct efx_nic *efx = channel->efx;
- u8 *eh = efx_rx_buf_eh(efx, rx_buf);
+ u8 *eh = efx_rx_buf_va(rx_buf) + efx->type->rx_buffer_hash_size;
/* If we're in loopback test, then pass the packet directly to the
* loopback layer, and free the rx_buf here