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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230031)(36860700004)(82310400017)(1800799015)(376005); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 May 2024 12:44:36.3801 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f15f7a07-76fc-4103-00b2-08dc6e9373f7 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF00036F42.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB9039 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 In the event of a change in AXGBE mode, the current auto-negotiation needs to be reset and the AN cycle needs to be re-triggered. However, the current code ignores the return value of axgbe_set_mode(), leading to false information as the link is declared without checking the status register. Fix this by propagating the mode switch status information to axgbe_phy_status(). Fixes: 102b6ec3d5c3 ("net/axgbe: support auto-negotiation for 1Gbps") Cc: stable@dpdk.org Signed-off-by: Venkat Kumar Ande --- drivers/net/axgbe/axgbe_mdio.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/net/axgbe/axgbe_mdio.c b/drivers/net/axgbe/axgbe_mdio.c index 9fe30e83bc..130a67479e 100644 --- a/drivers/net/axgbe/axgbe_mdio.c +++ b/drivers/net/axgbe/axgbe_mdio.c @@ -1028,7 +1028,7 @@ static enum axgbe_mode axgbe_phy_status_aneg(struct axgbe_port *pdata) return pdata->phy_if.phy_impl.an_outcome(pdata); } -static void axgbe_phy_status_result(struct axgbe_port *pdata) +static bool axgbe_phy_status_result(struct axgbe_port *pdata) { enum axgbe_mode mode; @@ -1065,8 +1065,13 @@ static void axgbe_phy_status_result(struct axgbe_port *pdata) pdata->phy.duplex = DUPLEX_FULL; - if (axgbe_set_mode(pdata, mode) && pdata->an_again) + if (!axgbe_set_mode(pdata, mode)) + return false; + + if (pdata->an_again) axgbe_phy_reconfig_aneg(pdata); + + return true; } static int autoneg_time_out(unsigned long autoneg_start_time) @@ -1133,7 +1138,10 @@ static void axgbe_phy_status(struct axgbe_port *pdata) return; } } - axgbe_phy_status_result(pdata); + + if (axgbe_phy_status_result(pdata)) + return; + if (rte_bit_relaxed_get32(AXGBE_LINK_INIT, &pdata->dev_state)) rte_bit_relaxed_clear32(AXGBE_LINK_INIT, &pdata->dev_state); -- 2.34.1