From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id D108BFAD3F7 for ; Thu, 23 Apr 2026 03:43:04 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A174040661; Thu, 23 Apr 2026 05:41:42 +0200 (CEST) Received: from smtpbgau2.qq.com (smtpbgau2.qq.com [54.206.34.216]) by mails.dpdk.org (Postfix) with ESMTP id B97824066C; Thu, 23 Apr 2026 05:41:38 +0200 (CEST) X-QQ-mid: zesmtpgz4t1776915695ta58c44a9 X-QQ-Originating-IP: srYvoCLGApvvncb0LTwJBecZv232JpuXJUZyqqpwR0Q= Received: from DSK-zaiyuwang.trustnetic.com ( [115.220.225.180]) by bizesmtp.qq.com (ESMTP) with id ; Thu, 23 Apr 2026 11:41:34 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 10150365668618839722 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH 17/18] net/txgbe: fix get module info operation Date: Thu, 23 Apr 2026 11:40:22 +0800 Message-Id: <20260423034024.14404-18-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260423034024.14404-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpgz:trustnetic.com:qybglogicsvrsz:qybglogicsvrsz3b-0 X-QQ-XMAILINFO: NRYSeI3Ux+UPrDdznBe+FNpx6gty6ykyoBRhJVY/+6+vrC5Ge8WxvINZ JibeuxwBSO9/XxwmQ5uMp63q02TAZb8zZgfbtEvql3kCjilxrpyOgTHXWFgnIyxgffd7jgT knkLhafj/bIBWFHkWZ3TF6JLsO75S20J9+3iaI58UeDiz/Z9d3SzEo9ZrQ7xe6jhYcSeKAT PI/BzzDdiz3COlGwahYGeNmsSa8mRB/iHwwMAuh/6wVNq9P+tWcS6qEYLvZ3BfrLYPMeCKn SD3FyzLIBJ/4t0MBhe/ok/lBg3KGWjGPR0cjvSNSZ9HcwYSfFoCXE+g8ChkzbVBn+sh7F91 ptzJNYLSPDbrGK+s4n9y+VnQ6gOYoeAiwdYN8ZW/To3byy5QKxx7SZ0r68foTYN3h4Ef9C4 Ihs51kFnSkXscAX8ABK8IAo3tbAwmzMmO016JmDPq4uJswSL+NgCRLTeRzJUWyNtzCsOcGE SRFoEo85c/WxtGLHoLMvb5B/MvO1ijf6iVZtExdSVRjWB044mJTbm2LE6WsdtFP5/V8zWWD ZG0eMdSAMhwrAU0TOMUkUTOczyMF6JjggUBLo1ILGRZQXKFH4nQZrCtRly3bbq9ehqv7Lha awonptKYbIj+tGhsrWC7ciXXD5R6iZg0n2McdLny06muYWkc5gax7N4Qanwf5hyw7lcVUtP O9Axc3CpTWx+L4wobKbnXeMNx26BKr/IQc2t6caQCp/AklDKLFsNXVg0trjXFZpN28OgVOk amLNjHY3o5BbYaKGKOawublcvBuGe01vFamQhRUF03el+TbK3gUuU/mcZI1CNZWV8xDoxo3 dLEKBW6UY3pepXEzxya52Z8U0gMESOOerKF1L9/Um/hZyI4eevXPxiKz9MFtuppNRj7m7M+ 8dyCzITZFVvwsWPsX8Kw5WYMxJv+1ZQY0vu+cLhGAowveTTeQZN8H8wASJYHEcCrGFdNAdR Efdx5sgwXAA2jY/FD9nb9o2oQYxAAJK4p8NSYtcXJQ+4QkY5BNyE+pPbsNb8Hmj0BqmaBh1 RL059KWV/gYVsxGaeVcaFAlu4hTt93YHz6aTDWsKgIQcJWK1+oDqsDRVSF/uvp5/9VWk97q Q== X-QQ-XMRINFO: M/715EihBoGS47X28/vv4NpnfpeBLnr4Qg== X-QQ-RECHKSPAM: 0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org The original I2C access flow in the module information retrieval process was flawed. Correct the implementation to properly fetch module info. Cc: stable@dpdk.org Signed-off-by: Zaiyu Wang --- drivers/net/txgbe/base/txgbe_phy.h | 6 +- drivers/net/txgbe/txgbe_ethdev.c | 116 ++++++++++++++++++++++------- 2 files changed, 95 insertions(+), 27 deletions(-) diff --git a/drivers/net/txgbe/base/txgbe_phy.h b/drivers/net/txgbe/base/txgbe_phy.h index 796a0f6748..fe6c0dd170 100644 --- a/drivers/net/txgbe/base/txgbe_phy.h +++ b/drivers/net/txgbe/base/txgbe_phy.h @@ -257,11 +257,15 @@ #define TXGBE_SFF_CABLE_DA_PASSIVE 0x4 #define TXGBE_SFF_CABLE_DA_ACTIVE 0x8 #define TXGBE_SFF_CABLE_SPEC_COMP 0x3C +#define TXGBE_SFF_DDM_IMPLEMENTED 0x40 #define TXGBE_SFF_SFF_8472_SWAP 0x5C #define TXGBE_SFF_SFF_8472_COMP 0x5E #define TXGBE_SFF_SFF_8472_OSCB 0x6E #define TXGBE_SFF_SFF_8472_ESCB 0x76 -#define TXGBE_SFF_QSFP_PAGE_SELECT 0x7F +#define TXGBE_SFF_SFF_REVISION_ADDR 0x01 +#define TXGBE_SFF_QSFP_PAGE_SELECT 0x7F + +#define TXGBE_MODULE_QSFP_MAX_LEN 640 #define TXGBE_SFF_IDENTIFIER_QSFP 0x0C #define TXGBE_SFF_IDENTIFIER_QSFP_PLUS 0x0D diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c index c28afbe7aa..41ec432983 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -5342,41 +5342,105 @@ txgbe_get_module_info(struct rte_eth_dev *dev, struct txgbe_hw *hw = TXGBE_DEV_HW(dev); uint32_t status; uint8_t sff8472_rev, addr_mode; + u8 identifier = 0; + u8 sff8636_rev = 0; bool page_swap = false; + u32 value; - /* Check whether we support SFF-8472 or not */ - status = hw->phy.read_i2c_eeprom(hw, - TXGBE_SFF_SFF_8472_COMP, - &sff8472_rev); - if (status != 0) - return -EIO; - - /* addressing mode is not supported */ - status = hw->phy.read_i2c_eeprom(hw, - TXGBE_SFF_SFF_8472_SWAP, - &addr_mode); - if (status != 0) - return -EIO; + if (hw->mac.type == txgbe_mac_aml40) { + value = rd32(hw, TXGBE_GPIOEXT); + if (value & TXGBE_SFP1_MOD_PRST_LS) + return -EIO; + } - if (addr_mode & TXGBE_SFF_ADDRESSING_MODE) { - PMD_DRV_LOG(ERR, - "Address change required to access page 0xA2, " - "but not supported. Please report the module " - "type to the driver maintainers."); - page_swap = true; + if (hw->mac.type == txgbe_mac_aml) { + value = rd32(hw, TXGBE_GPIOEXT); + if (value & TXGBE_SFP1_MOD_ABS_LS) + return -EIO; } - if (sff8472_rev == TXGBE_SFF_SFF_8472_UNSUP || page_swap) { - /* We have a SFP, but it does not support SFF-8472 */ - modinfo->type = RTE_ETH_MODULE_SFF_8079; - modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8079_LEN; + status = hw->mac.acquire_swfw_sync(hw, TXGBE_MNGSEM_SWPHY); + if (status) + return -EBUSY; + + if (hw->mac.type == txgbe_mac_aml40) { + status = hw->phy.read_i2c_sff8636(hw, 0, + TXGBE_SFF_IDENTIFIER, + &identifier); } else { - /* We have a SFP which supports a revision of SFF-8472. */ - modinfo->type = RTE_ETH_MODULE_SFF_8472; - modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8472_LEN; + status = hw->phy.read_i2c_eeprom(hw, + TXGBE_SFF_IDENTIFIER, + &identifier); } + if (status != 0) + goto ERROR_IO; + + switch (identifier) { + case TXGBE_SFF_IDENTIFIER_SFP: + /* Check whether we support SFF-8472 or not */ + status = hw->phy.read_i2c_eeprom(hw, + TXGBE_SFF_SFF_8472_COMP, + &sff8472_rev); + if (status != 0) + goto ERROR_IO; + + /* addressing mode is not supported */ + status = hw->phy.read_i2c_eeprom(hw, + TXGBE_SFF_SFF_8472_SWAP, + &addr_mode); + if (status != 0) + goto ERROR_IO; + + if (addr_mode & TXGBE_SFF_ADDRESSING_MODE) { + PMD_DRV_LOG(ERR, + "Address change required to access page 0xA2, " + "but not supported. Please report the module " + "type to the driver maintainers."); + page_swap = true; + } + + if (sff8472_rev == TXGBE_SFF_SFF_8472_UNSUP || page_swap || + !(addr_mode & TXGBE_SFF_DDM_IMPLEMENTED)) { + /* We have a SFP, but it does not support SFF-8472 */ + modinfo->type = RTE_ETH_MODULE_SFF_8079; + modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8079_LEN; + } else { + /* We have a SFP which supports a revision of SFF-8472. */ + modinfo->type = RTE_ETH_MODULE_SFF_8472; + modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8472_LEN; + } + break; + case TXGBE_SFF_IDENTIFIER_QSFP: + case TXGBE_SFF_IDENTIFIER_QSFP_PLUS: + status = hw->phy.read_i2c_sff8636(hw, 0, + TXGBE_SFF_SFF_REVISION_ADDR, + &sff8636_rev); + if (status != 0) + goto ERROR_IO; + /* Check revision compliance */ + if (sff8636_rev > 0x02) { + /* Module is SFF-8636 compliant */ + modinfo->type = RTE_ETH_MODULE_SFF_8636; + modinfo->eeprom_len = TXGBE_MODULE_QSFP_MAX_LEN; + } else { + modinfo->type = RTE_ETH_MODULE_SFF_8436; + modinfo->eeprom_len = TXGBE_MODULE_QSFP_MAX_LEN; + } + break; + default: + PMD_DRV_LOG(ERR, "SFF Module Type not recognized."); + hw->mac.release_swfw_sync(hw, TXGBE_MNGSEM_SWPHY); + return -EINVAL; + } + + hw->mac.release_swfw_sync(hw, TXGBE_MNGSEM_SWPHY); return 0; + +ERROR_IO: + PMD_DRV_LOG(ERR, "I2C IO ERROR."); + hw->mac.release_swfw_sync(hw, TXGBE_MNGSEM_SWPHY); + return -EIO; } static int -- 2.21.0.windows.1