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authorFelix Fietkau <nbd@openwrt.org>2015-04-14 13:07:54 +0300
committerDavid S. Miller <davem@davemloft.net>2015-04-14 21:57:10 +0300
commitb38c83dd08665a93e439c4ffd9eef31bc098a6ea (patch)
treee35af7b479d02c713b303d24bbf60442e0f52bc8 /drivers/net/ethernet/broadcom/bgmac.h
parente07678341b612bbf98c2bf205c3f26f3ef5f8e93 (diff)
downloadlinux-b38c83dd08665a93e439c4ffd9eef31bc098a6ea.tar.xz
bgmac: simplify tx ring index handling
Keep incrementing ring->start and ring->end instead of pointing it to the actual ring slot entry. This simplifies the calculation of the number of free slots. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Acked-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bgmac.h')
-rw-r--r--drivers/net/ethernet/broadcom/bgmac.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h
index 3ad965fe7fcc..5a198d56f3e7 100644
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -414,10 +414,10 @@ enum bgmac_dma_ring_type {
* empty.
*/
struct bgmac_dma_ring {
- u16 num_slots;
- u16 start;
- u16 end;
+ u32 start;
+ u32 end;
+ u16 num_slots;
u16 mmio_base;
struct bgmac_dma_desc *cpu_base;
dma_addr_t dma_base;