From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Matt Carlson" Subject: [PATCH net-next 2/8] tg3: Disable unused transmit rings Date: Thu, 14 Oct 2010 13:37:39 -0700 Message-ID: <1287088665-22135-3-git-send-email-mcarlson@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, andy@greyhouse.net, mcarlson@broadcom.com To: davem@davemloft.net Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:2061 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756011Ab0JNUiB (ORCPT ); Thu, 14 Oct 2010 16:38:01 -0400 Sender: netdev-owner@vger.kernel.org List-ID: This patch allows the driver to disable the additional transmit rings available on the 5717 and 5719 devices. This is not strictly necessary, but is done anyways for correctness. Signed-off-by: Matt Carlson Reviewed-by: Michael Chan --- drivers/net/tg3.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 978ba5d..1c680ff 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -7536,6 +7536,9 @@ static void tg3_rings_reset(struct tg3 *tp) /* Disable all transmit rings but the first. */ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16; + else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || + GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) + limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 4; else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2; else -- 1.7.2.2