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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM4PR12MB5055.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a0a275c1-4a48-4235-730c-08dc78b97953 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 May 2024 10:41:57.9072 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ozW/85C1Xu/lucA2pU7MVIeWO/c9jGc2GAXpBZg8e+gRNkdRyv4UThXUvd9RYkKr9ZpvEUGBDkjESF1p7kIUSg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7123 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 [AMD Official Use Only - AMD Internal Distribution Only] Acked-by: Selwin Sebastian -----Original Message----- From: Ande, Venkat Kumar Sent: Tuesday, May 7, 2024 6:13 PM To: dev@dpdk.org Cc: Sebastian, Selwin ; Ande, Venkat Kumar ; stable@dpdk.org Subject: [PATCH v2 09/25] net/axgbe: fix logic around active and passive ca= bles SFP+ active and passive cables are copper cables with fixed SFP+ end connectors. Due to a misinterpretation of this, SFP+ active cables could en= d up not being recognized, causing the driver to fail to establish a connec= tion. Introduce a new enum in SFP+ cable types, XGBE_SFP_CABLE_FIBER, that is the= default cable type, and handle active and passive cables when they are spe= cifically detected. Fixes: a5c7273771e8 ("net/axgbe: add phy programming APIs") Cc: stable@dpdk.org Signed-off-by: Venkat Kumar Ande --- drivers/net/axgbe/axgbe_phy_impl.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/axgbe/axgbe_phy_impl.c b/drivers/net/axgbe/axgbe_p= hy_impl.c index d4c4a89517..8b66def631 100644 --- a/drivers/net/axgbe/axgbe_phy_impl.c +++ b/drivers/net/axgbe/axgbe_phy_impl.c @@ -69,6 +69,7 @@ enum axgbe_sfp_cable { AXGBE_SFP_CABLE_UNKNOWN =3D 0, AXGBE_SFP_CABLE_ACTIVE, AXGBE_SFP_CABLE_PASSIVE, + AXGBE_SFP_CABLE_FIBER, }; enum axgbe_sfp_base { @@ -616,16 +617,18 @@ static void axgbe_phy_sfp_parse_eeprom(struct axgbe_p= ort *pdata) axgbe_phy_sfp_parse_quirks(pdata); - /* Assume ACTIVE cable unless told it is PASSIVE */ + /* Assume FIBER cable unless told otherwise */ if (sfp_base[AXGBE_SFP_BASE_CABLE] & AXGBE_SFP_BASE_CABLE_PASSIVE) = { phy_data->sfp_cable =3D AXGBE_SFP_CABLE_PASSIVE; phy_data->sfp_cable_len =3D sfp_base[AXGBE_SFP_BASE_CU_CABL= E_LEN]; - } else { + } else if (sfp_base[AXGBE_SFP_BASE_CABLE] & +AXGBE_SFP_BASE_CABLE_ACTIVE) { phy_data->sfp_cable =3D AXGBE_SFP_CABLE_ACTIVE; + } else { + phy_data->sfp_cable =3D AXGBE_SFP_CABLE_FIBER; } /* Determine the type of SFP */ - if (phy_data->sfp_cable =3D=3D AXGBE_SFP_CABLE_PASSIVE && + if (phy_data->sfp_cable !=3D AXGBE_SFP_CABLE_FIBER && axgbe_phy_sfp_bit_rate(sfp_eeprom, AXGBE_SFP_SPEED_10000)) phy_data->sfp_base =3D AXGBE_SFP_BASE_10000_CR; else if (sfp_base[AXGBE_SFP_BASE_10GBE_CC] & AXGBE_SFP_BASE_10GBE_C= C_SR) -- 2.34.1