From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Eilon Greenstein" Subject: [PATCH 1/3] bnx2x: Adding restriction on sge_buf_size Date: Mon, 09 Mar 2009 12:52:14 +0200 Message-ID: <1236595934.11030.12.camel@lb-tlvb-eliezer> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, "Alex Chiang" , "Bjorn Helgaas" , "Vladislav Zolotarov" To: "David Miller" Return-path: Received: from mms1.broadcom.com ([216.31.210.17]:4565 "EHLO mms1.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753500AbZCIKxL (ORCPT ); Mon, 9 Mar 2009 06:53:11 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Subject: [PATCH 1/3] bnx2x: Adding restriction on sge_buf_size. sge_buff_size may not be more than 0xffff. Reported-by: Bjorn Helgaas Signed-off-by: Vladislav Zolotarov Tested-by: Bjorn Helgaas Signed-off-by: Eilon Greenstein --- 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