[PATCH net-next 2/4] net: mdio: Add support for RSFEC Control register for PMA

mike.marciniszyn
2026-04-28T17:28:15Z

Add the constants associated with RS-FEC configuration
and status as well as the indicated separated bits for
DEVS1 to convey a separated PMA.

Signed-off-by: Mike Marciniszyn (Meta) <mike.marciniszyn@gmail.com>
---
include/uapi/linux/mdio.h | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/include/uapi/linux/mdio.h b/include/uapi/linux/mdio.h
index 8d769f100de6..b2541c948fc1 100644
--- a/include/uapi/linux/mdio.h
+++ b/include/uapi/linux/mdio.h
@@ -23,6 +23,10 @@
#define MDIO_MMD_DTEXS 5 /* DTE Extender Sublayer */
#define MDIO_MMD_TC 6 /* Transmission Convergence */
#define MDIO_MMD_AN 7 /* Auto-Negotiation */
+#define MDIO_MMD_SEP_PMA1 8 /* Separated PMA (1) */
+#define MDIO_MMD_SEP_PMA2 9 /* Separated PMA (2) */
+#define MDIO_MMD_SEP_PMA3 10 /* Separated PMA (3) */
+#define MDIO_MMD_SEP_PMA4 11 /* Separated PMA (4) */
#define MDIO_MMD_POWER_UNIT 13 /* PHY Power Unit */
#define MDIO_MMD_C22EXT 29 /* Clause 22 extension */
#define MDIO_MMD_VEND1 30 /* Vendor specific 1 */
@@ -63,6 +67,8 @@
* Lanes B-D are numbered 134-136. */
#define MDIO_PMA_10GBR_FSRT_CSR 147 /* 10GBASE-R fast retrain status and control */
#define MDIO_PMA_10GBR_FECABLE 170 /* 10GBASE-R FEC ability */
+#define MDIO_PMA_RSFEC_CTRL 200 /* RSFEC control */
+#define MDIO_PMA_RSFEC_LANE_MAP 206 /* RSFEC lane mapping */
#define MDIO_PCS_10GBX_STAT1 24 /* 10GBASE-X PCS status 1 */
#define MDIO_PCS_10GBRT_STAT1 32 /* 10GBASE-R/-T PCS status 1 */
#define MDIO_PCS_10GBRT_STAT2 33 /* 10GBASE-R/-T PCS status 2 */
@@ -175,6 +181,10 @@
#define MDIO_DEVS_DTEXS MDIO_DEVS_PRESENT(MDIO_MMD_DTEXS)
#define MDIO_DEVS_TC MDIO_DEVS_PRESENT(MDIO_MMD_TC)
#define MDIO_DEVS_AN MDIO_DEVS_PRESENT(MDIO_MMD_AN)
+#define MDIO_DEVS_SEP_PMA1 MDIO_DEVS_PRESENT(MDIO_MMD_SEP_PMA1)
+#define MDIO_DEVS_SEP_PMA2 MDIO_DEVS_PRESENT(MDIO_MMD_SEP_PMA2)
+#define MDIO_DEVS_SEP_PMA3 MDIO_DEVS_PRESENT(MDIO_MMD_SEP_PMA3)
+#define MDIO_DEVS_SEP_PMA4 MDIO_DEVS_PRESENT(MDIO_MMD_SEP_PMA4)
#define MDIO_DEVS_C22EXT MDIO_DEVS_PRESENT(MDIO_MMD_C22EXT)
#define MDIO_DEVS_VEND1 MDIO_DEVS_PRESENT(MDIO_MMD_VEND1)
#define MDIO_DEVS_VEND2 MDIO_DEVS_PRESENT(MDIO_MMD_VEND2)
--
2.43.0