hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Ben Hutchings 2013-01-29 23:33:15 +00:00
parent ff734ef4bc
commit b184f16b7f
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/ethernet/sfc/rx.c
View File

@ -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