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| author | Ben Hutchings <bhutchings@solarflare.com> | 2013-03-05 17:49:39 +0000 |
|---|---|---|
| committer | Ben Hutchings <bhutchings@solarflare.com> | 2013-03-06 17:57:25 +0000 |
| commit | c73e787a8db9117d59b5180baf83203a42ecadca (patch) | |
| tree | 0b698120c031b71eb49c0221729fdc386764b6c9 | |
| parent | 35205b211c8d17a8a0b5e8926cb7c73e9a7ef1ad (diff) | |
| download | linux-stable-c73e787a8db9117d59b5180baf83203a42ecadca.tar.gz linux-stable-c73e787a8db9117d59b5180baf83203a42ecadca.tar.bz2 linux-stable-c73e787a8db9117d59b5180baf83203a42ecadca.zip | |
sfc: Correct efx_rx_buffer::page_offset when EFX_PAGE_IP_ALIGN != 0
RX DMA buffers start at an offset of EFX_PAGE_IP_ALIGN bytes from the
start of a cache line. This offset obviously needs to be included in
the virtual address, but this was missed in commit b590ace09d51
('sfc: Fix efx_rx_buf_offset() in the presence of swiotlb') since
EFX_PAGE_IP_ALIGN is equal to 0 on both x86 and powerpc.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
| -rw-r--r-- | drivers/net/ethernet/sfc/rx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 879ff5849bbd..bb579a6128c8 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -215,7 +215,7 @@ static int efx_init_rx_buffers_page(struct efx_rx_queue *rx_queue) rx_buf = efx_rx_buffer(rx_queue, index); rx_buf->dma_addr = dma_addr + EFX_PAGE_IP_ALIGN; rx_buf->u.page = page; - rx_buf->page_offset = page_offset; + rx_buf->page_offset = page_offset + EFX_PAGE_IP_ALIGN; rx_buf->len = efx->rx_buffer_len - EFX_PAGE_IP_ALIGN; rx_buf->flags = EFX_RX_BUF_PAGE; ++rx_queue->added_count; |