github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 10:04:04 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

net: phy: Add interface types for 50G and 100G

Browse Source 
Add support for 802.3cd based interface types 50GBASE-R and 100GBASE-P.
This choice in naming is based on section 135 of the 802.3-2022 IEEE
Standard.

In addition it is adding support for what I am referring to as LAUI
which is based on annex 135C of the IEEE Standard, and shares many
similarities with the 25/50G consortium. The main difference between the
two is that IEEE spec refers to LAUI as the AUI before the RS(544/514) FEC,
whereas the 25/50G use this lane and frequency combination after going
through RS(528/514), Base-R or no FEC at all.

Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://patch.msgid.link/175028444205.625704.4191700324472974116.stgit@ahduyck-xeon-server.home.arpa
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Alexander Duyck 2025-06-18 15:07:22 -07:00 committed by Paolo Abeni
parent cccfe09822
commit bbb7d478d9
4 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/phy/phy-core.c
View File

@ -142,6 +142,9 @@ int phy_interface_num_ports(phy_interface_t interface)
case PHY_INTERFACE_MODE_RXAUI:
case PHY_INTERFACE_MODE_XAUI:
case PHY_INTERFACE_MODE_1000BASEKX:
case PHY_INTERFACE_MODE_50GBASER:
case PHY_INTERFACE_MODE_LAUI:
case PHY_INTERFACE_MODE_100GBASEP:
return 1;
case PHY_INTERFACE_MODE_QSGMII:
case PHY_INTERFACE_MODE_QUSGMII:

9
drivers/net/phy/phy_caps.c
View File

@ -351,6 +351,15 @@ unsigned long phy_caps_from_interface(phy_interface_t interface)
link_caps |= BIT(LINK_CAPA_40000FD);
break;
case PHY_INTERFACE_MODE_50GBASER:
case PHY_INTERFACE_MODE_LAUI:
link_caps |= BIT(LINK_CAPA_50000FD);
break;
case PHY_INTERFACE_MODE_100GBASEP:
link_caps |= BIT(LINK_CAPA_100000FD);
break;
case PHY_INTERFACE_MODE_INTERNAL:
link_caps |= LINK_CAPA_ALL;
break;

13
drivers/net/phy/phylink.c
View File

@ -127,6 +127,9 @@ do { \
#endif
static const phy_interface_t phylink_sfp_interface_preference[] = {
PHY_INTERFACE_MODE_100GBASEP,
PHY_INTERFACE_MODE_50GBASER,
PHY_INTERFACE_MODE_LAUI,
PHY_INTERFACE_MODE_25GBASER,
PHY_INTERFACE_MODE_USXGMII,
PHY_INTERFACE_MODE_10GBASER,
@ -274,6 +277,13 @@ static int phylink_interface_max_speed(phy_interface_t interface)
case PHY_INTERFACE_MODE_XLGMII:
return SPEED_40000;
case PHY_INTERFACE_MODE_50GBASER:
case PHY_INTERFACE_MODE_LAUI:
return SPEED_50000;
case PHY_INTERFACE_MODE_100GBASEP:
return SPEED_100000;
case PHY_INTERFACE_MODE_INTERNAL:
case PHY_INTERFACE_MODE_NA:
case PHY_INTERFACE_MODE_MAX:
@ -798,6 +808,9 @@ static int phylink_parse_mode(struct phylink *pl,
case PHY_INTERFACE_MODE_10GKR:
case PHY_INTERFACE_MODE_10GBASER:
case PHY_INTERFACE_MODE_XLGMII:
case PHY_INTERFACE_MODE_50GBASER:
case PHY_INTERFACE_MODE_LAUI:
case PHY_INTERFACE_MODE_100GBASEP:
caps = ~(MAC_SYM_PAUSE | MAC_ASYM_PAUSE);
caps = phylink_get_capabilities(pl->link_config.interface, caps,
RATE_MATCH_NONE);

12
include/linux/phy.h
View File

@ -103,6 +103,9 @@ extern const int phy_basic_ports_array[3];
* @PHY_INTERFACE_MODE_QUSGMII: Quad Universal SGMII
* @PHY_INTERFACE_MODE_1000BASEKX: 1000Base-KX - with Clause 73 AN
* @PHY_INTERFACE_MODE_10G_QXGMII: 10G-QXGMII - 4 ports over 10G USXGMII
* @PHY_INTERFACE_MODE_50GBASER: 50GBase-R - with Clause 134 FEC
* @PHY_INTERFACE_MODE_LAUI: 50 Gigabit Attachment Unit Interface
* @PHY_INTERFACE_MODE_100GBASEP: 100GBase-P - with Clause 134 FEC
* @PHY_INTERFACE_MODE_MAX: Book keeping
*
* Describes the interface between the MAC and PHY.
@ -144,6 +147,9 @@ typedef enum {
PHY_INTERFACE_MODE_QUSGMII,
PHY_INTERFACE_MODE_1000BASEKX,
PHY_INTERFACE_MODE_10G_QXGMII,
PHY_INTERFACE_MODE_50GBASER,
PHY_INTERFACE_MODE_LAUI,
PHY_INTERFACE_MODE_100GBASEP,
PHY_INTERFACE_MODE_MAX,
} phy_interface_t;
@ -260,6 +266,12 @@ static inline const char *phy_modes(phy_interface_t interface)
return "qusgmii";
case PHY_INTERFACE_MODE_10G_QXGMII:
return "10g-qxgmii";
case PHY_INTERFACE_MODE_50GBASER:
return "50gbase-r";
case PHY_INTERFACE_MODE_LAUI:
return "laui";
case PHY_INTERFACE_MODE_100GBASEP:
return "100gbase-p";
default:
return "unknown";
}