From patchwork Mon Dec 2 07:49:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaolong Ye X-Patchwork-Id: 63464 X-Patchwork-Delegate: xiaolong.ye@intel.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id E3F09A04B5; Mon, 2 Dec 2019 09:03:40 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 8F80F1C033; Mon, 2 Dec 2019 08:58:52 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 898B81BFA1 for ; Mon, 2 Dec 2019 08:58:41 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Dec 2019 23:58:41 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,268,1571727600"; d="scan'208";a="207993541" Received: from dpdk_yexl_af_xdp.sh.intel.com ([10.67.119.186]) by fmsmga008.fm.intel.com with ESMTP; 01 Dec 2019 23:58:40 -0800 From: Xiaolong Ye To: Beilei Xing , Qi Zhang Cc: dev@dpdk.org, Xiaolong Ye , Wnuczko Sylwia Date: Mon, 2 Dec 2019 15:49:02 +0800 Message-Id: <20191202074935.97629-37-xiaolong.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191202074935.97629-1-xiaolong.ye@intel.com> References: <20191202074935.97629-1-xiaolong.ye@intel.com> Subject: [dpdk-dev] [PATCH 36/69] net/i40e/base: add persistent lldp support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch adds a function to read nvm module data and uses it to read current lldp agent configuration from nvm api version 1.8. Signed-off-by: Wnuczko Sylwia Reviewed-by: Aleksandr Loktionov Reviewed-by: Kirsher Jeffrey T Reviewed-by: Galazka Krzysztof Reviewed-by: Grzegorz Siwik Reviewed-by: Michael Alice Signed-off-by: Xiaolong Ye --- drivers/net/i40e/base/i40e_dcb.c | 18 ++++++- drivers/net/i40e/base/i40e_dcb.h | 2 + drivers/net/i40e/base/i40e_nvm.c | 71 ++++++++++++++++++++++++++ drivers/net/i40e/base/i40e_prototype.h | 4 ++ 4 files changed, 94 insertions(+), 1 deletion(-) diff --git a/drivers/net/i40e/base/i40e_dcb.c b/drivers/net/i40e/base/i40e_dcb.c index 96d2f05df..38a1284c9 100644 --- a/drivers/net/i40e/base/i40e_dcb.c +++ b/drivers/net/i40e/base/i40e_dcb.c @@ -877,7 +877,23 @@ enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw, bool enable_mib_change) return I40E_NOT_SUPPORTED; /* Read LLDP NVM area */ - ret = i40e_read_lldp_cfg(hw, &lldp_cfg); + if (hw->flags & I40E_HW_FLAG_FW_LLDP_PERSISTENT) { + u8 offset = 0; + + if (hw->mac.type == I40E_MAC_XL710) + offset = I40E_LLDP_CURRENT_STATUS_XL710_OFFSET; + else if (hw->mac.type == I40E_MAC_X722) + offset = I40E_LLDP_CURRENT_STATUS_X722_OFFSET; + else + return I40E_NOT_SUPPORTED; + + ret = i40e_read_nvm_module_data(hw, + I40E_SR_EMP_SR_SETTINGS_PTR, + offset, 1, + &lldp_cfg.adminstatus); + } else { + ret = i40e_read_lldp_cfg(hw, &lldp_cfg); + } if (ret) return I40E_ERR_NOT_READY; diff --git a/drivers/net/i40e/base/i40e_dcb.h b/drivers/net/i40e/base/i40e_dcb.h index 6805bc8fb..f33507081 100644 --- a/drivers/net/i40e/base/i40e_dcb.h +++ b/drivers/net/i40e/base/i40e_dcb.h @@ -39,6 +39,8 @@ #define I40E_LLDP_ADMINSTATUS_ENABLED_TX 2 #define I40E_LLDP_ADMINSTATUS_ENABLED_RXTX 3 +#define I40E_LLDP_CURRENT_STATUS_XL710_OFFSET 0x2B +#define I40E_LLDP_CURRENT_STATUS_X722_OFFSET 0x31 /* Defines for LLDP TLV header */ #define I40E_LLDP_MIB_HLEN 14 #define I40E_LLDP_TLV_LEN_SHIFT 0 diff --git a/drivers/net/i40e/base/i40e_nvm.c b/drivers/net/i40e/base/i40e_nvm.c index c8b401cdd..6a55d59b4 100644 --- a/drivers/net/i40e/base/i40e_nvm.c +++ b/drivers/net/i40e/base/i40e_nvm.c @@ -337,6 +337,77 @@ enum i40e_status_code i40e_read_nvm_word(struct i40e_hw *hw, u16 offset, return ret_code; } +/** + * i40e_read_nvm_module_data - Reads NVM Buffer to specified memory location + * @hw: pointer to the HW structure + * @module_ptr: Pointer to module in words with respect to NVM beginning + * @offset: offset in words from module start + * @words_data_size: Words to read from NVM + * @data_ptr: Pointer to memory location where resulting buffer will be stored + **/ +enum i40e_status_code i40e_read_nvm_module_data(struct i40e_hw *hw, + u8 module_ptr, u16 offset, + u16 words_data_size, + u16 *data_ptr) +{ + enum i40e_status_code status; + u16 ptr_value = 0; + u32 flat_offset; + + if (module_ptr != 0) { + status = i40e_read_nvm_word(hw, module_ptr, &ptr_value); + if (status != I40E_SUCCESS) { + i40e_debug(hw, I40E_DEBUG_ALL, + "Reading nvm word failed.Error code: %d.\n", + status); + return I40E_ERR_NVM; + } + } +#define I40E_NVM_INVALID_PTR_VAL 0x7FFF +#define I40E_NVM_INVALID_VAL 0xFFFF + + /* Pointer not initialized */ + if (ptr_value == I40E_NVM_INVALID_PTR_VAL || + ptr_value == I40E_NVM_INVALID_VAL) + return I40E_ERR_BAD_PTR; + + /* Check whether the module is in SR mapped area or outside */ + if (ptr_value & I40E_PTR_TYPE) { + /* Pointer points outside of the Shared RAM mapped area */ + ptr_value &= ~I40E_PTR_TYPE; + + /* PtrValue in 4kB units, need to convert to words */ + ptr_value /= 2; + flat_offset = ((u32)ptr_value * 0x1000) + (u32)offset; + status = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); + if (status == I40E_SUCCESS) { + status = i40e_aq_read_nvm(hw, 0, 2 * flat_offset, + 2 * words_data_size, + data_ptr, true, NULL); + i40e_release_nvm(hw); + if (status != I40E_SUCCESS) { + i40e_debug(hw, I40E_DEBUG_ALL, + "Reading nvm aq failed.Error code: %d.\n", + status); + return I40E_ERR_NVM; + } + } else { + return I40E_ERR_NVM; + } + } else { + /* Read from the Shadow RAM */ + status = i40e_read_nvm_buffer(hw, ptr_value + offset, + &words_data_size, data_ptr); + if (status != I40E_SUCCESS) { + i40e_debug(hw, I40E_DEBUG_ALL, + "Reading nvm buffer failed.Error code: %d.\n", + status); + } + } + + return status; +} + /** * i40e_read_nvm_buffer_srctl - Reads Shadow RAM buffer via SRCTL register * @hw: pointer to the HW structure diff --git a/drivers/net/i40e/base/i40e_prototype.h b/drivers/net/i40e/base/i40e_prototype.h index b01dff439..a85c00b3b 100644 --- a/drivers/net/i40e/base/i40e_prototype.h +++ b/drivers/net/i40e/base/i40e_prototype.h @@ -456,6 +456,10 @@ enum i40e_status_code i40e_acquire_nvm(struct i40e_hw *hw, void i40e_release_nvm(struct i40e_hw *hw); enum i40e_status_code i40e_read_nvm_word(struct i40e_hw *hw, u16 offset, u16 *data); +enum i40e_status_code i40e_read_nvm_module_data(struct i40e_hw *hw, + u8 module_ptr, u16 offset, + u16 words_data_size, + u16 *data_ptr); enum i40e_status_code i40e_read_nvm_buffer(struct i40e_hw *hw, u16 offset, u16 *words, u16 *data); enum i40e_status_code i40e_write_nvm_aq(struct i40e_hw *hw, u8 module,