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 8E7E7CDB47F for ; Wed, 24 Jun 2026 11:55:11 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D422440A6E; Wed, 24 Jun 2026 13:53:47 +0200 (CEST) Received: from smtpbgjp3.qq.com (smtpbgjp3.qq.com [54.92.39.34]) by mails.dpdk.org (Postfix) with ESMTP id C6FE740DDC; Wed, 24 Jun 2026 13:53:43 +0200 (CEST) X-QQ-mid: esmtpgz10t1782302019t8fc4b754 X-QQ-Originating-IP: f6GqwrUI1qyH3xTMIu08H+D3PGGk/H4ZiEQ2nYiGU88= Received: from DSK-zaiyuwang.trustnetic.com ( [115.204.248.247]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 24 Jun 2026 19:53:38 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 8481211772586195635 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH v10 18/21] net/txgbe: fix get EEPROM operation Date: Wed, 24 Jun 2026 19:52:50 +0800 Message-Id: <20260624115254.20348-19-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260624115254.20348-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260624115254.20348-1-zaiyuwang@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: esmtpgz:trustnetic.com:qybglogicsvrsz:qybglogicsvrsz3b-0 X-QQ-XMAILINFO: NDgMZBR9sMmaW97XemBoG+AxAa+ZzGoUgr/i8YBBA6sZdXIFqMqoLfGQ zlmnpU3qXJKuSZeFLszROZbIBd+/lUHcK/OPdCf7rziIOYdVO/D9XLZH6Ihz1BeMKXh6wkk lcjD+JqpovcYSxsii2TlwHVG+Bls4xOI2RVoQ5rYPJ5i5azZmP8qxqyuhiGFVigT75XATWN J6SzNYgMqu0iGEsrhYXGR9x41/CokOIgr6jbE6O2sC1OXuBNebNhmyaCA7D7VAu6zhpP+LI x7JNyZ0PeMHeMv5A3L4IXAyLkMwo4/Sv3edF1bHd5rttfXiIKkhXfFsTZN/3cvFwa+QdE9Y ubmzURIGAEtN1ajapNIHWqh7dESQcPodW0/Ch7twH4nHp30dE23Brj4Dg+rTwVd+2ktjXQ0 YodGRuOz/LRfXInxqhih/Zkh4SxEnK4gwUzMqQCEAbBDDzYS+AHwcOFcpuNkKFqn8cW0bG1 TvgJRsC/aNhfIdxpN21IXz6+amqQy1x2Ppz4w1H9LuBdnTRULC3SR7Rvpxqt8rs0MAIDU21 DNkSuSPZ62cy5IxNTyoTGuBXMyitk+IcFWuo7CuvU+gSgRpjB1kSrLPyBKxSuAH0ewt1dws deJHXQgtY1bYKOZbxnvqf3MWMgN15N6ufyiJsCjOGCT+ev9Mz1Ab9eadb99vuL1GP9QaT5x B54MUQeYkqGpoUiT1R905foqR1QilQgulorvKnzHtH0yEOkZcJlUxudEwPhDUr3s2yOv9bX L6RqkdULdxZnTJMJeeIzk9g3oIFj0EHY6HGTcG+azqwrHOGqLQJhfP4v8n4gVYzkRrO6/lb cgZRxMi0xnYcp2oQT0nXClbnahVNh3Pldq66MxNmWcfUdsV+bLn3iQ7PjwZ8f2RQSi1KeLh asih/MO8uaNM1kkkPwIYzeEnNfnKxupsGixaUObNme8+xvfGOBAGeRCakXl+HgtlhjAgTIg N30iYsIPTucooi7yg5L9O/0/Tv+MP7jUkPBsNt6CdAEveNRNElm3kYDPzxoiuFteZQOHg32 tVEEjgh4Nyd2cKx7rT3tJQ0/mz2/YINa3F87+BBoy3YBj58nix5h8fR/hwpGunJ5nv0SWhb DpJKLLJXmperIPTC5YPLkK1sUDg0IjQxA== X-QQ-XMRINFO: Mp0Kj//9VHAxzExpfF+O8yhSrljjwrznVg== 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. Fixes: abf042d32b39 ("net/txgbe: add Amber-Lite 25G/40G NICs") Cc: stable@dpdk.org Signed-off-by: Zaiyu Wang --- drivers/net/txgbe/base/txgbe_phy.h | 1 + drivers/net/txgbe/txgbe_ethdev.c | 81 +++++++++++++++++++++++++++--- 2 files changed, 76 insertions(+), 6 deletions(-) diff --git a/drivers/net/txgbe/base/txgbe_phy.h b/drivers/net/txgbe/base/txgbe_phy.h index 31bdceb35b..a5df015a4d 100644 --- a/drivers/net/txgbe/base/txgbe_phy.h +++ b/drivers/net/txgbe/base/txgbe_phy.h @@ -245,6 +245,7 @@ /* EEPROM (dev_addr = 0xA0) */ #define TXGBE_I2C_EEPROM_DEV_ADDR 0xA0 #define TXGBE_SFF_IDENTIFIER 0x00 +#define TXGBE_SFF_8636_STATUS_OFFSET 0x02 #define TXGBE_SFF_IDENTIFIER_SFP 0x03 #define TXGBE_SFF_VENDOR_OUI_BYTE0 0x25 #define TXGBE_SFF_VENDOR_OUI_BYTE1 0x26 diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c index f373656342..1dd849f578 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -5462,23 +5462,92 @@ txgbe_get_module_eeprom(struct rte_eth_dev *dev, uint8_t databyte = 0xFF; uint8_t *data = info->data; uint32_t i = 0; + bool is_sfp = false; + uint32_t value; + uint8_t identifier = 0; + uint16_t offset; + uint8_t page = 0; + bool is_flat_mem = false; + + if (hw->mac.type == txgbe_mac_aml40) { + value = rd32(hw, TXGBE_GPIOEXT); + if (value & TXGBE_SFP1_MOD_PRST_LS) + return -EIO; + } + + if (hw->mac.type == txgbe_mac_aml) { + value = rd32(hw, TXGBE_GPIOEXT); + if (value & TXGBE_SFP1_MOD_ABS_LS) + return -EIO; + } if (info->length == 0) return -EINVAL; - for (i = info->offset; i < info->offset + info->length; i++) { - if (i < RTE_ETH_MODULE_SFF_8079_LEN) - status = hw->phy.read_i2c_eeprom(hw, i, &databyte); - else - status = hw->phy.read_i2c_sff8472(hw, i, &databyte); + status = hw->mac.acquire_swfw_sync(hw, TXGBE_MNGSEM_SWPHY); + if (status) + return -EBUSY; + + status = hw->phy.read_i2c_eeprom(hw, + TXGBE_SFF_IDENTIFIER, + &identifier); + if (status != 0) + goto ERROR_IO; + if (identifier == TXGBE_SFF_IDENTIFIER_SFP) { + is_sfp = true; + } else { + uint8_t rdata = 0; + + status = hw->phy.read_i2c_sff8636(hw, 0, + TXGBE_SFF_8636_STATUS_OFFSET, + &rdata); if (status != 0) - return -EIO; + goto ERROR_IO; + if (rdata & 0x4) + is_flat_mem = true; + } + + memset(data, 0, info->length); + + for (i = info->offset; i < info->offset + info->length; i++) { + databyte = 0; + + if (is_sfp) { + if (i < RTE_ETH_MODULE_SFF_8079_LEN) + status = hw->phy.read_i2c_eeprom(hw, i, + &databyte); + else + status = hw->phy.read_i2c_sff8472(hw, i, + &databyte); + + if (status != 0) + goto ERROR_IO; + } else { + offset = i; + page = 0; + while (offset >= RTE_ETH_MODULE_SFF_8436_LEN) { + offset -= RTE_ETH_MODULE_SFF_8436_LEN / 2; + page++; + } + if (page == 0 || !is_flat_mem) { + status = hw->phy.read_i2c_sff8636(hw, page, offset, + &databyte); + if (status != 0) + goto ERROR_IO; + } + } data[i - info->offset] = databyte; } + 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; } bool -- 2.21.0.windows.1