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authorMatt Carlson <mcarlson@broadcom.com>2011-12-14 11:09:58 +0000
committerDavid S. Miller <davem@davemloft.net>2011-12-15 13:09:10 -0500
commita4cb428d31e11af1662e19c6fab9133c0f7a0eda (patch)
treefcf4cf8bf9f007549510f2d508b61c4c39ea7f7e /drivers/net/ethernet/broadcom/tg3.h
parent4f272096054b6154e31e850f192eef5782f156c6 (diff)
downloadvexpress-lsk-a4cb428d31e11af1662e19c6fab9133c0f7a0eda.tar.gz
tg3: Make the TX BD DMA limit configurable
The 57766 ASIC rev will impose a new TX BD DMA limit on the driver. This patch prepares for 57766 support by making the tx BD DMA limit tunable. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.h')
-rw-r--r--drivers/net/ethernet/broadcom/tg3.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 9d9f6349cb8..2ba5be16575 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -2994,6 +2994,7 @@ struct tg3 {
/* begin "tx thread" cacheline section */
void (*write32_tx_mbox) (struct tg3 *, u32,
u32);
+ u32 dma_limit;
/* begin "rx thread" cacheline section */
struct tg3_napi napi[TG3_IRQ_MAX_VECS];