From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yuval Mintz" Subject: [net-next 07/11] bnx2x: allocate smaller Rx rings for 1G functions Date: Wed, 15 Feb 2012 07:10:28 -0500 Message-ID: <1329307832-32454-8-git-send-email-yuvalmin@broadcom.com> References: <1329307832-32454-1-git-send-email-yuvalmin@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: eilong@broadcom.com, "Mintz Yuval" To: davem@davemloft.net, netdev@vger.kernel.org Return-path: Received: from mms1.broadcom.com ([216.31.210.17]:3823 "EHLO mms1.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752951Ab2BOFQ0 (ORCPT ); Wed, 15 Feb 2012 00:16:26 -0500 In-Reply-To: <1329307832-32454-1-git-send-email-yuvalmin@broadcom.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Mintz Yuval Signed-off-by: Yuval Mintz Signed-off-by: Eilon Greenstein --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 7f6a1b1..5d15efc 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3122,9 +3122,16 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index) } else #endif if (!bp->rx_ring_size) { + u32 cfg = SHMEM_RD(bp, + dev_info.port_hw_config[BP_PORT(bp)].default_cfg); rx_ring_size = MAX_RX_AVAIL/BNX2X_NUM_RX_QUEUES(bp); + /* Dercease ring size for 1G functions */ + if ((cfg & PORT_HW_CFG_NET_SERDES_IF_MASK) == + PORT_HW_CFG_NET_SERDES_IF_SGMII) + rx_ring_size /= 10; + /* allocate at least number of buffers required by FW */ rx_ring_size = max_t(int, bp->disable_tpa ? MIN_RX_SIZE_NONTPA : MIN_RX_SIZE_TPA, rx_ring_size); -- 1.7.9.rc2