[PATCH net-next 2/4] net: phy: Add 25G BASE-R interface mode
From: Steen Hegelund <steen.hegelund@microchip.com>
Date: 2021-06-11 12:55:15
Also in:
linux-doc, lkml
Subsystem:
documentation, ethernet phy library, networking [general], the rest · Maintainers:
Jonathan Corbet, Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add 25gbase-r phy interface mode Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: Bjarni Jonasson <redacted> --- Documentation/networking/phy.rst | 6 ++++++ include/linux/phy.h | 4 ++++ 2 files changed, 10 insertions(+)
diff --git a/Documentation/networking/phy.rst b/Documentation/networking/phy.rst
index 3f05d50ecd6e..571ba08386e7 100644
--- a/Documentation/networking/phy.rst
+++ b/Documentation/networking/phy.rst@@ -292,6 +292,12 @@ Some of the interface modes are described below: Note: due to legacy usage, some 10GBASE-R usage incorrectly makes use of this definition. +``PHY_INTERFACE_MODE_25GBASER`` + This is the IEEE 802.3 PCS Clause 107 defined 25GBASE-R protocol. + The PCS is identical to 10GBASE-R, i.e. 64B/66B encoded + running 2.5 as fast, giving a fixed bit rate of 25.78125 Gbaud. + Please refer to the IEEE standard for further information. + ``PHY_INTERFACE_MODE_100BASEX`` This defines IEEE 802.3 Clause 24. The link operates at a fixed data rate of 125Mpbs using a 4B/5B encoding scheme, resulting in an underlying
diff --git a/include/linux/phy.h b/include/linux/phy.h
index ed332ac92e25..70a1399ff454 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h@@ -112,6 +112,7 @@ extern const int phy_10gbit_features_array[1]; * @PHY_INTERFACE_MODE_RXAUI: Reduced XAUI * @PHY_INTERFACE_MODE_XAUI: 10 Gigabit Attachment Unit Interface * @PHY_INTERFACE_MODE_10GBASER: 10G BaseR + * @PHY_INTERFACE_MODE_25GBASER: 25G BaseR * @PHY_INTERFACE_MODE_USXGMII: Universal Serial 10GE MII * @PHY_INTERFACE_MODE_10GKR: 10GBASE-KR - with Clause 73 AN * @PHY_INTERFACE_MODE_MAX: Book keeping
@@ -147,6 +148,7 @@ typedef enum { PHY_INTERFACE_MODE_XAUI, /* 10GBASE-R, XFI, SFI - single lane 10G Serdes */ PHY_INTERFACE_MODE_10GBASER, + PHY_INTERFACE_MODE_25GBASER, PHY_INTERFACE_MODE_USXGMII, /* 10GBASE-KR - with Clause 73 AN */ PHY_INTERFACE_MODE_10GKR,
@@ -223,6 +225,8 @@ static inline const char *phy_modes(phy_interface_t interface) return "xaui"; case PHY_INTERFACE_MODE_10GBASER: return "10gbase-r"; + case PHY_INTERFACE_MODE_25GBASER: + return "25gbase-r"; case PHY_INTERFACE_MODE_USXGMII: return "usxgmii"; case PHY_INTERFACE_MODE_10GKR:
--
2.32.0