From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenzhuo Lu Subject: [PATCH v2 26/35] e1000/base: disable extension header parsing for IPv6 Date: Thu, 15 Oct 2015 10:03:39 +0800 Message-ID: <1444874628-5453-27-git-send-email-wenzhuo.lu@intel.com> References: <1444804479-14840-1-git-send-email-wenzhuo.lu@intel.com> <1444874628-5453-1-git-send-email-wenzhuo.lu@intel.com> To: dev@dpdk.org Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id F23049231 for ; Thu, 15 Oct 2015 04:04:55 +0200 (CEST) In-Reply-To: <1444874628-5453-1-git-send-email-wenzhuo.lu@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" All 1G Server products need to have IPv6 extension headers turned off. Signed-off-by: Wenzhuo Lu --- drivers/net/e1000/base/e1000_82575.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/net/e1000/base/e1000_82575.c b/drivers/net/e1000/base/e1000_82575.c index 511636a..e170353 100644 --- a/drivers/net/e1000/base/e1000_82575.c +++ b/drivers/net/e1000/base/e1000_82575.c @@ -2125,7 +2125,7 @@ STATIC void e1000_clear_hw_cntrs_82575(struct e1000_hw *hw) * e1000_rx_fifo_flush_82575 - Clean rx fifo after Rx enable * @hw: pointer to the HW structure * - * After rx enable if managability is enabled then there is likely some + * After Rx enable, if manageability is enabled then there is likely some * bad data at the start of the fifo and possibly in the DMA fifo. This * function clears the fifos and flushes any packets that came in as rx was * being enabled. @@ -2135,7 +2135,13 @@ void e1000_rx_fifo_flush_82575(struct e1000_hw *hw) u32 rctl, rlpml, rxdctl[4], rfctl, temp_rctl, rx_enabled; int i, ms_wait; - DEBUGFUNC("e1000_rx_fifo_workaround_82575"); + DEBUGFUNC("e1000_rx_fifo_flush_82575"); + + /* disable IPv6 options as per hardware errata */ + rfctl = E1000_READ_REG(hw, E1000_RFCTL); + rfctl |= E1000_RFCTL_IPV6_EX_DIS; + E1000_WRITE_REG(hw, E1000_RFCTL, rfctl); + if (hw->mac.type != e1000_82575 || !(E1000_READ_REG(hw, E1000_MANC) & E1000_MANC_RCV_TCO_EN)) return; @@ -2163,7 +2169,6 @@ void e1000_rx_fifo_flush_82575(struct e1000_hw *hw) * incoming packets are rejected. Set enable and wait 2ms so that * any packet that was coming in as RCTL.EN was set is flushed */ - rfctl = E1000_READ_REG(hw, E1000_RFCTL); E1000_WRITE_REG(hw, E1000_RFCTL, rfctl & ~E1000_RFCTL_LEF); rlpml = E1000_READ_REG(hw, E1000_RLPML); -- 1.9.3