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Miller" , Eric Dumazet , Sean Anderson Subject: [PATCH net-next v5 1/8] net: phylink: Document MAC_(A)SYM_PAUSE Date: Tue, 6 Sep 2022 12:18:45 -0400 Message-Id: <20220906161852.1538270-2-sean.anderson@seco.com> X-Mailer: git-send-email 2.35.1.1320.gc452695387.dirty In-Reply-To: <20220906161852.1538270-1-sean.anderson@seco.com> References: <20220906161852.1538270-1-sean.anderson@seco.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: BL0PR02CA0046.namprd02.prod.outlook.com (2603:10b6:207:3d::23) To DB7PR03MB4972.eurprd03.prod.outlook.com (2603:10a6:10:7d::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 71c39cd6-55db-4faf-3db3-08da902384da X-MS-TrafficTypeDiagnostic: VI1PR0301MB2254:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DB7PR03MB4972.eurprd03.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230016)(376002)(346002)(366004)(396003)(136003)(39850400004)(38100700002)(54906003)(38350700002)(110136005)(83380400001)(316002)(4326008)(8676002)(66556008)(66476007)(66946007)(2906002)(44832011)(7416002)(8936002)(6506007)(5660300002)(2616005)(1076003)(52116002)(186003)(478600001)(41300700001)(6666004)(86362001)(6512007)(26005)(6486002)(107886003)(36756003);DIR:OUT;SFP:1101; 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These are more-or-less a direct consequence of IEEE 802.3 Table 28B-2. Signed-off-by: Sean Anderson --- (no changes since v3) Changes in v3: - New include/linux/phylink.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/linux/phylink.h b/include/linux/phylink.h index 6d06896fc20d..a431a0b0d217 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -21,6 +21,22 @@ enum { MLO_AN_FIXED, /* Fixed-link mode */ MLO_AN_INBAND, /* In-band protocol */ + /* MAC_SYM_PAUSE and MAC_ASYM_PAUSE correspond to the PAUSE and + * ASM_DIR bits used in autonegotiation, respectively. See IEEE 802.3 + * Annex 28B for more information. + * + * The following table lists the values of MLO_PAUSE_* (aside from + * MLO_PAUSE_AN) which might be requested depending on the results of + * autonegotiation or user configuration: + * + * MAC_SYM_PAUSE MAC_ASYM_PAUSE Valid pause modes + * ============= ============== ============================== + * 0 0 MLO_PAUSE_NONE + * 0 1 MLO_PAUSE_NONE, MLO_PAUSE_TX + * 1 0 MLO_PAUSE_NONE, MLO_PAUSE_TXRX + * 1 1 MLO_PAUSE_NONE, MLO_PAUSE_TXRX, + * MLO_PAUSE_RX + */ MAC_SYM_PAUSE = BIT(0), MAC_ASYM_PAUSE = BIT(1), MAC_10HD = BIT(2), -- 2.35.1.1320.gc452695387.dirty