netdev - [PATCH 1/3] bnx2x: Adding restriction on sge_buf

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Message-ID: <1236595934.11030.12.camel@lb-tlvb-eliezer>
Date:	Mon, 09 Mar 2009 12:52:14 +0200
From:	"Eilon Greenstein" <eilong@...adcom.com>
To:	"David Miller" <davem@...emloft.net>
cc:	netdev@...r.kernel.org, "Alex Chiang" <achiang@...com>,
	"Bjorn Helgaas" <bjorn.helgaas@...com>,
	"Vladislav Zolotarov" <vladz@...adcom.com>
Subject: [PATCH 1/3] bnx2x: Adding restriction on sge_buf_size

Subject: [PATCH 1/3] bnx2x: Adding restriction on sge_buf_size.

sge_buff_size may not be more than 0xffff.

Reported-by: Bjorn Helgaas <bjorn.helgaas@...com>
Signed-off-by: Vladislav Zolotarov <vladz@...adcom.com>
Tested-by: Bjorn Helgaas <bjorn.helgaas@...com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
 drivers/net/bnx2x_main.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index d3e7775..48127f1 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -4518,7 +4518,8 @@ static void bnx2x_init_context(struct bnx2x *bp)
 				(USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
 				 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
 			context->ustorm_st_context.common.sge_buff_size =
-					(u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
+				(u16)min((u32)SGE_PAGE_SIZE*PAGES_PER_SGE,
+					 (u32)0xffff);
 			context->ustorm_st_context.common.sge_page_base_hi =
 						U64_HI(fp->rx_sge_mapping);
 			context->ustorm_st_context.common.sge_page_base_lo =
-- 
1.5.6.3




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