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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge1.nvidia.com; CAT:NONE; SFS:(13230040)(376014)(82310400026)(1800799024)(36860700013)(7053199007); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Feb 2025 12:41:08.2270 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c75390bd-c945-47f8-7282-08dd5019846c X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002321.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB7624 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Hi, FYI, your patch has been queued to stable release 23.11.4 Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet. Please shout if anyone has objections. Also note that after the patch there's a diff of the upstream commit vs the patch applied to the branch. This will indicate if there was any rebasing needed to apply to the stable branch. If there were code changes for rebasing (ie: not only metadata diffs), please double check that the rebase was correctly done. Queued patches are on a temporary branch at: https://git.dpdk.org/dpdk-stable/log/?h=23.11-staging This queued commit can be viewed at: https://git.dpdk.org/dpdk-stable/commit/?h=23.11-staging&id=1bede44e32af68399255b39b605f8af624d33f29 Thanks. Xueming Li --- >From 1bede44e32af68399255b39b605f8af624d33f29 Mon Sep 17 00:00:00 2001 From: Pawel Malinowski Date: Thu, 6 Feb 2025 16:08:32 +0000 Subject: [PATCH] net/igc/base: fix semaphore timeout value Cc: Xueming Li [ upstream commit 7caabb9834bc9596190c03279eae8980b1c24800 ] According to datasheet, software ownership of SWSM.SWESMBI bit should not exceed 100ms. Current implementation caused incorrect timeout counter values, where each iteration equals 50us delay. Because of that, driver was allowed to wait for semaphore even for 1.5s. This might trigger DPC timeout. This implementation hardcodes value to 2000, which multiplied by 50us, gives 100ms of possible wait time. Fixes: 8cb7c57d9b3c ("net/igc: support device initialization") Signed-off-by: Pawel Malinowski Signed-off-by: Anatoly Burakov Acked-by: Bruce Richardson --- drivers/net/igc/base/igc_defines.h | 1 + drivers/net/igc/base/igc_i225.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/igc/base/igc_defines.h b/drivers/net/igc/base/igc_defines.h index 280570b157..3cb2f430c5 100644 --- a/drivers/net/igc/base/igc_defines.h +++ b/drivers/net/igc/base/igc_defines.h @@ -525,6 +525,7 @@ /* SW Semaphore Register */ #define IGC_SWSM_SMBI 0x00000001 /* Driver Semaphore bit */ #define IGC_SWSM_SWESMBI 0x00000002 /* FW Semaphore bit */ +#define IGC_SWSM_TIMEOUT 2000 /* Driver Semaphore max timeout counter */ #define IGC_SWSM_DRV_LOAD 0x00000008 /* Driver Loaded Bit */ #define IGC_SWSM2_LOCK 0x00000002 /* Secondary driver semaphore bit */ diff --git a/drivers/net/igc/base/igc_i225.c b/drivers/net/igc/base/igc_i225.c index 23c68a3948..7352ba240a 100644 --- a/drivers/net/igc/base/igc_i225.c +++ b/drivers/net/igc/base/igc_i225.c @@ -388,7 +388,7 @@ s32 igc_setup_copper_link_i225(struct igc_hw *hw) static s32 igc_get_hw_semaphore_i225(struct igc_hw *hw) { u32 swsm; - s32 timeout = hw->nvm.word_size + 1; + s32 timeout = IGC_SWSM_TIMEOUT; s32 i = 0; DEBUGFUNC("igc_get_hw_semaphore_i225"); -- 2.34.1 --- Diff of the applied patch vs upstream commit (please double-check if non-empty: --- --- - 2025-02-18 19:39:02.606733607 +0800 +++ 0053-net-igc-base-fix-semaphore-timeout-value.patch 2025-02-18 19:39:00.638244046 +0800 @@ -1 +1 @@ -From 7caabb9834bc9596190c03279eae8980b1c24800 Mon Sep 17 00:00:00 2001 +From 1bede44e32af68399255b39b605f8af624d33f29 Mon Sep 17 00:00:00 2001 @@ -4,0 +5,3 @@ +Cc: Xueming Li + +[ upstream commit 7caabb9834bc9596190c03279eae8980b1c24800 ] @@ -16 +18,0 @@ -Cc: stable@dpdk.org @@ -22,2 +24,2 @@ - drivers/net/intel/igc/base/igc_defines.h | 1 + - drivers/net/intel/igc/base/igc_i225.c | 2 +- + drivers/net/igc/base/igc_defines.h | 1 + + drivers/net/igc/base/igc_i225.c | 2 +- @@ -26 +28 @@ -diff --git a/drivers/net/intel/igc/base/igc_defines.h b/drivers/net/intel/igc/base/igc_defines.h +diff --git a/drivers/net/igc/base/igc_defines.h b/drivers/net/igc/base/igc_defines.h @@ -28,2 +30,2 @@ ---- a/drivers/net/intel/igc/base/igc_defines.h -+++ b/drivers/net/intel/igc/base/igc_defines.h +--- a/drivers/net/igc/base/igc_defines.h ++++ b/drivers/net/igc/base/igc_defines.h @@ -38 +40 @@ -diff --git a/drivers/net/intel/igc/base/igc_i225.c b/drivers/net/intel/igc/base/igc_i225.c +diff --git a/drivers/net/igc/base/igc_i225.c b/drivers/net/igc/base/igc_i225.c @@ -40,2 +42,2 @@ ---- a/drivers/net/intel/igc/base/igc_i225.c -+++ b/drivers/net/intel/igc/base/igc_i225.c +--- a/drivers/net/igc/base/igc_i225.c ++++ b/drivers/net/igc/base/igc_i225.c