phy: mscc: Fix parsing of unicast frames
authorHoratiu Vultur <horatiu.vultur@microchip.com>
Sat, 26 Jul 2025 14:03:07 +0000 (16:03 +0200)
committerJakub Kicinski <kuba@kernel.org>
Thu, 31 Jul 2025 01:06:36 +0000 (18:06 -0700)
According to the 1588 standard, it is possible to use both unicast and
multicast frames to send the PTP information. It was noticed that if the
frames were unicast they were not processed by the analyzer meaning that
they were not timestamped. Therefore fix this to match also these
unicast frames.

Fixes: ab2bf9339357 ("net: phy: mscc: 1588 block initialization")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250726140307.3039694-1-horatiu.vultur@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/phy/mscc/mscc_ptp.c
drivers/net/phy/mscc/mscc_ptp.h

index 6b80008..275706d 100644 (file)
@@ -900,6 +900,7 @@ static int vsc85xx_eth1_conf(struct phy_device *phydev, enum ts_blk blk,
                                     get_unaligned_be32(ptp_multicast));
        } else {
                val |= ANA_ETH1_FLOW_ADDR_MATCH2_ANY_MULTICAST;
+               val |= ANA_ETH1_FLOW_ADDR_MATCH2_ANY_UNICAST;
                vsc85xx_ts_write_csr(phydev, blk,
                                     MSCC_ANA_ETH1_FLOW_ADDR_MATCH2(0), val);
                vsc85xx_ts_write_csr(phydev, blk,
index da34653..ae9ad92 100644 (file)
@@ -98,6 +98,7 @@
 #define MSCC_ANA_ETH1_FLOW_ADDR_MATCH2(x) (MSCC_ANA_ETH1_FLOW_ENA(x) + 3)
 #define ANA_ETH1_FLOW_ADDR_MATCH2_MASK_MASK    GENMASK(22, 20)
 #define ANA_ETH1_FLOW_ADDR_MATCH2_ANY_MULTICAST        0x400000
+#define ANA_ETH1_FLOW_ADDR_MATCH2_ANY_UNICAST  0x200000
 #define ANA_ETH1_FLOW_ADDR_MATCH2_FULL_ADDR    0x100000
 #define ANA_ETH1_FLOW_ADDR_MATCH2_SRC_DEST_MASK        GENMASK(17, 16)
 #define ANA_ETH1_FLOW_ADDR_MATCH2_SRC_DEST     0x020000