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 24E58FAD3F7 for ; Thu, 23 Apr 2026 03:41:46 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id EA0FB40693; Thu, 23 Apr 2026 05:41:14 +0200 (CEST) Received: from smtpbgau2.qq.com (smtpbgau2.qq.com [54.206.34.216]) by mails.dpdk.org (Postfix) with ESMTP id 4569840693; Thu, 23 Apr 2026 05:41:11 +0200 (CEST) X-QQ-mid: zesmtpgz4t1776915668td93e6901 X-QQ-Originating-IP: kBJvuTcASnKciAiqlji85V3efzha6oUz99RMYjchvNg= Received: from DSK-zaiyuwang.trustnetic.com ( [115.220.225.180]) by bizesmtp.qq.com (ESMTP) with id ; Thu, 23 Apr 2026 11:41:07 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 12783357493678094000 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH 08/18] net/txgbe: fix link flow control registers for Amber-Lite Date: Thu, 23 Apr 2026 11:40:13 +0800 Message-Id: <20260423034024.14404-9-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: M/NR0wiIuy70VJkDj6cU084OhXnNDYB+uXchobjy5VyY4IlS3g5FlrwU g5z42M70BE7CEkFZsYwEDtf9cEz3Mj9jkouAy7Vg7pevwG5F07TWAXKFsxtwzwXBGgUron6 I1CZjP/efHKHY2QhJnjde64I3KWZUToVSD73QokoK2ecFMhexrlSWffFicPTS9G5iT16vn7 t3B5Log/KmQB0uyoRb/l4DF+yDGvotPuge0ewbTZhrpy2Wem+dCG1I0SmnC7OZybZUhz4Ma 027qhXTuoqsv0FAHC8ZhRYRIbNhf8W0PJN4ze0LvTEgWucRb53egJ/MIJ4B1St+DRFqxpRE YAV51vPpKWbnpTkJu1uv/FwcwE90eWeBnEgDqdHs2dp5i4BLumBa7c/jTxcq3F7rB5mI57Q A7NZGH0OmppyMW6KqsngkHgEgX+U79nXcU4gRmGLzCLz+V5RSUUVRFTiAt10WUtkDXMvFBI aCc3bLGeiBuZ0PmkUNY76xjb5HmWsQBVkAA4f9+SD8CJ4V3hzS4yf6uiagW21532ua0xr33 ApykLHeURWysT1Gj2f07Q+wkT9oFnyt9ULH2Tjq3ZznTc7UH2yfsgdLaMrHPPX/WChBOukE YM2IBsJkeAtG113kwvI61IGidJ+qcnXDA99CgrW9XivcIQSCrbMBXtwOdPrA4HUTS6kKhkA eDdI86u6ln+AngMI+ep/Xw19RrzORA1lNahcXZaHWx9ZpJFojhLm2Hu4qFwBpu67fhgIUcs f15a/kxtJNnAxL1KMLarwCIu5pPjnEMrpaOJxPQnwoyM9aup7PCLohxlDAmjIBWhZMriR4Y dFN3S9KvbFZmC8WE/HYy+EX63SzDEob6Fq4oeV7x+Ar4reeYmi/dekyeLzNJ8PC4cWFz1E9 MC8GothhvetXxehOPY8gJzNsith4/pzTq9PFGCjG60LUNXX21JUGMihycavj0ImbULFrJhE 4kO+uniXAjmUst4dHI13S97W6w4fS7yyiMw33Q66gHnanEYEELA8uQf3t7qR0KZlRT1ykvH /6p8F0s2up666H1GiTsu95guDLBPdgi9kkL0+RsGomQRoSwhD8eardi0Y67L0ydrAmW3fHF c/JXCpsLb8b X-QQ-XMRINFO: NS+P29fieYNwqS3WCnRCOn9D1NpZuCnCRA== 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 flow control counter registers on AML NICs differ from those on SP NICs. Update the register offsets accordingly to ensure the counters work correctly. Cc: stable@dpdk.org Signed-off-by: Zaiyu Wang --- drivers/net/txgbe/base/txgbe_hw.c | 5 +++++ drivers/net/txgbe/base/txgbe_regs.h | 2 ++ drivers/net/txgbe/txgbe_ethdev.c | 10 ++++++++-- 3 files changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/net/txgbe/base/txgbe_hw.c b/drivers/net/txgbe/base/txgbe_hw.c index 0f3db3a1ad..52fead6171 100644 --- a/drivers/net/txgbe/base/txgbe_hw.c +++ b/drivers/net/txgbe/base/txgbe_hw.c @@ -394,6 +394,11 @@ s32 txgbe_clear_hw_cntrs(struct txgbe_hw *hw) rd32(hw, TXGBE_PBTXLNKXON); rd32(hw, TXGBE_PBTXLNKXOFF); + if (hw->mac.type == txgbe_mac_aml || hw->mac.type == txgbe_mac_aml40) { + wr32(hw, TXGBE_PBRXLNKXON_AML, 0); + wr32(hw, TXGBE_PBRXLNKXOFF_AML, 0); + } + /* DMA Stats */ rd32(hw, TXGBE_DMARXPKT); rd32(hw, TXGBE_DMATXPKT); diff --git a/drivers/net/txgbe/base/txgbe_regs.h b/drivers/net/txgbe/base/txgbe_regs.h index 060757323a..de382601c9 100644 --- a/drivers/net/txgbe/base/txgbe_regs.h +++ b/drivers/net/txgbe/base/txgbe_regs.h @@ -1085,6 +1085,8 @@ enum txgbe_5tuple_protocol { #define TXGBE_PBRXDROP 0x019068 #define TXGBE_PBRXLNKXOFF 0x011988 #define TXGBE_PBRXLNKXON 0x011E0C +#define TXGBE_PBRXLNKXOFF_AML 0x011F80 +#define TXGBE_PBRXLNKXON_AML 0x011F84 #define TXGBE_PBRXUPXON(up) (0x011E30 + (up) * 4) #define TXGBE_PBRXUPXOFF(up) (0x011E10 + (up) * 4) diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c index 414107d7a7..e3492c9cd7 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -2331,8 +2331,14 @@ txgbe_read_stats_registers(struct txgbe_hw *hw, hw_stats->up[i].rx_up_dropped += rd32(hw, TXGBE_PBRXMISS(i)); } - hw_stats->rx_xon_packets += rd32(hw, TXGBE_PBRXLNKXON); - hw_stats->rx_xoff_packets += rd32(hw, TXGBE_PBRXLNKXOFF); + + if (hw->mac.type == txgbe_mac_aml || hw->mac.type == txgbe_mac_aml40) { + hw_stats->rx_xon_packets = rd32(hw, TXGBE_PBRXLNKXON_AML); + hw_stats->rx_xoff_packets = rd32(hw, TXGBE_PBRXLNKXOFF_AML); + } else { + hw_stats->rx_xon_packets += rd32(hw, TXGBE_PBRXLNKXON); + hw_stats->rx_xoff_packets += rd32(hw, TXGBE_PBRXLNKXOFF); + } hw_stats->tx_xon_packets += rd32(hw, TXGBE_PBTXLNKXON); hw_stats->tx_xoff_packets += rd32(hw, TXGBE_PBTXLNKXOFF); -- 2.21.0.windows.1