From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Lendacky Subject: [PATCH net-next 2/6] amd-xgbe: VLAN Tx tag insertion fix Date: Tue, 24 Jun 2014 16:19:12 -0500 Message-ID: <20140624211912.20681.99354.stgit@tlendack-t1.amdoffice.net> References: <20140624211900.20681.46554.stgit@tlendack-t1.amdoffice.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: To: Return-path: Received: from [207.46.163.207] ([207.46.163.207]:22904 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1754051AbaFXVUC (ORCPT ); Tue, 24 Jun 2014 17:20:02 -0400 In-Reply-To: <20140624211900.20681.46554.stgit@tlendack-t1.amdoffice.net> Sender: netdev-owner@vger.kernel.org List-ID: The MAC_VLAN_Incl register (0x0060) must be set to indicate that the VLAN tag to be inserted comes from a Tx context descriptor and not the MAC_VLAN_Incl register. Also, even though it is the default, explicitly set the type of tag to be inserted as a CTAG. Signed-off-by: Tom Lendacky --- drivers/net/ethernet/amd/xgbe/xgbe-common.h | 4 ++++ drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h index bf462ee8..129d322 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h @@ -427,6 +427,10 @@ #define MAC_TCR_SS_WIDTH 2 #define MAC_TCR_TE_INDEX 0 #define MAC_TCR_TE_WIDTH 1 +#define MAC_VLANIR_VLTI_INDEX 20 +#define MAC_VLANIR_VLTI_WIDTH 1 +#define MAC_VLANIR_CSVL_INDEX 19 +#define MAC_VLANIR_CSVL_WIDTH 1 #define MAC_VLANTR_DOVLTC_INDEX 20 #define MAC_VLANTR_DOVLTC_WIDTH 1 #define MAC_VLANTR_ERSVLM_INDEX 19 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 864af2d..b239b21 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1541,6 +1541,10 @@ static void xgbe_config_checksum_offload(struct xgbe_prv_data *pdata) static void xgbe_config_vlan_support(struct xgbe_prv_data *pdata) { + /* Indicate that VLAN Tx CTAGs come from context descriptors */ + XGMAC_IOWRITE_BITS(pdata, MAC_VLANIR, CSVL, 0); + XGMAC_IOWRITE_BITS(pdata, MAC_VLANIR, VLTI, 1); + if (pdata->netdev->features & NETIF_F_HW_VLAN_CTAG_RX) xgbe_enable_rx_vlan_stripping(pdata); else