From 5ca1d47e065c0318774a946ffdf76010c78cc164 Mon Sep 17 00:00:00 2001 From: Álvaro Fernández Rojas Date: Sat, 10 Aug 2024 20:16:32 +0800 Subject: [PATCH] r8127: print link speed and duplex mode MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Like other Ethernet drivers, print link speed and duplex mode when the interface is up. Formatting output at the same time. Signed-off-by: Álvaro Fernández Rojas --- src/r8127.h | 2 ++ src/r8127_n.c | 48 +++++++++++++++++++++++++++++++++++++++++++++--- 2 files changed, 47 insertions(+), 3 deletions(-) --- a/src/r8127.h +++ b/src/r8127.h @@ -1753,6 +1753,11 @@ enum RTL8127_register_content { LinkStatus = 0x02, FullDup = 0x01, +#define RTL8127_FULL_DUPLEX_MASK (_10000bpsF | _5000bpsF | _2500bpsF | _1000bpsF | FullDup) +#define RTL8127_SPEED_1000_MASK (_1000bpsF | _1000bpsL | _2500bpsL) +#define RTL8127_SPEED_2500_MASK (_2500bpsF | _5000bpsL) +#define RTL8127_SPEED_5000_MASK (_5000bpsF | _10000bpsL) + /* DBG_reg */ Fix_Nak_1 = (1 << 4), Fix_Nak_2 = (1 << 3), --- a/src/r8127_n.c +++ b/src/r8127_n.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include #include @@ -4746,6 +4747,42 @@ rtl8127_link_down_patch(struct net_devic #endif } +static unsigned int rtl8127_phy_duplex(u32 status) +{ + unsigned int duplex = DUPLEX_UNKNOWN; + + if (status & LinkStatus) { + if (status & RTL8127_FULL_DUPLEX_MASK) + duplex = DUPLEX_FULL; + else + duplex = DUPLEX_HALF; + } + + return duplex; +} + +static int rtl8127_phy_speed(u32 status) +{ + int speed = SPEED_UNKNOWN; + + if (status & LinkStatus) { + if (status & _10000bpsF) + speed = SPEED_10000; + else if (status & RTL8127_SPEED_5000_MASK) + speed = SPEED_5000; + else if (status & RTL8127_SPEED_2500_MASK) + speed = SPEED_2500; + else if (status & RTL8127_SPEED_1000_MASK) + speed = SPEED_1000; + else if (status & _100bps) + speed = SPEED_100; + else if (status & _10bps) + speed = SPEED_10; + } + + return speed; +} + static void _rtl8127_check_link_status(struct net_device *dev, unsigned int link_state) { @@ -4758,11 +4795,18 @@ _rtl8127_check_link_status(struct net_de if (link_state == R8127_LINK_STATE_ON) { rtl8127_link_on_patch(dev); - if (netif_msg_ifup(tp)) - printk(KERN_INFO PFX "%s: link up\n", dev->name); + if (netif_msg_ifup(tp)) { + const u32 phy_status = RTL_R32(tp, PHYstatus); + const unsigned int phy_duplex = rtl8127_phy_duplex(phy_status); + const int phy_speed = rtl8127_phy_speed(phy_status); + printk(KERN_INFO PFX "%s: Link is Up - %s/%s\n", + dev->name, + phy_speed_to_str(phy_speed), + phy_duplex_to_str(phy_duplex)); + } } else { if (netif_msg_ifdown(tp)) - printk(KERN_INFO PFX "%s: link down\n", dev->name); + printk(KERN_INFO PFX "%s: Link is Down\n", dev->name); rtl8127_link_down_patch(dev); }