openwrt/package/kernel/r8101/patches/200-r8101-print-link-speed-...

101 lines
3.6 KiB
Diff

From ec0de750e20073b23c91b67f4bc3ab71c50f0eed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Sat, 17 Aug 2024 21:19:54 +0200
Subject: [PATCH] r8101: 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 <noltari@gmail.com>
---
src/r8101.h | 2 ++
src/r8101_n.c | 42 +++++++++++++++++++++++++++++++++++++++---
2 files changed, 41 insertions(+), 3 deletions(-)
--- a/src/r8101.h
+++ b/src/r8101.h
@@ -1162,6 +1162,8 @@ enum RTL8101_register_content {
LinkStatus = 0x02,
FullDup = 0x01,
+#define RTL8101_FULL_DUPLEX_MASK (FullDup)
+
/* ResetCounterCommand */
CounterReset = 0x1,
/* DumpCounterCommand */
--- a/src/r8101_n.c
+++ b/src/r8101_n.c
@@ -39,6 +39,7 @@ This driver is modified from r8169.c in
#include <linux/module.h>
#include <linux/version.h>
#include <linux/pci.h>
+#include <linux/phy.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
@@ -2838,6 +2839,34 @@ rtl8101_issue_offset_99_event(struct rtl
}
}
+static unsigned int rtl8101_phy_duplex(u8 status)
+{
+ unsigned int duplex = DUPLEX_UNKNOWN;
+
+ if (status & LinkStatus) {
+ if (status & RTL8101_FULL_DUPLEX_MASK)
+ duplex = DUPLEX_FULL;
+ else
+ duplex = DUPLEX_HALF;
+ }
+
+ return duplex;
+}
+
+static int rtl8101_phy_speed(u8 status)
+{
+ int speed = SPEED_UNKNOWN;
+
+ if (status & LinkStatus) {
+ if (status & _100bps)
+ speed = SPEED_100;
+ else if (status & _10bps)
+ speed = SPEED_10;
+ }
+
+ return speed;
+}
+
static void
rtl8101_check_link_status(struct net_device *dev)
{
@@ -2913,8 +2942,15 @@ rtl8101_check_link_status(struct net_dev
tp->phy_reg_aner = rtl8101_mdio_read(tp, MII_EXPANSION);
tp->phy_reg_anlpar = rtl8101_mdio_read(tp, MII_LPA);
- if (netif_msg_ifup(tp))
- printk(KERN_INFO PFX "%s: link up\n", dev->name);
+ if (netif_msg_ifup(tp)) {
+ const u8 phy_status = RTL_R8(tp, PHYstatus);
+ const unsigned int phy_duplex = rtl8101_phy_duplex(phy_status);
+ const int phy_speed = rtl8101_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 (tp->mcfg == CFG_METHOD_11 || tp->mcfg == CFG_METHOD_12 ||
tp->mcfg == CFG_METHOD_13) {
@@ -2925,7 +2961,7 @@ rtl8101_check_link_status(struct net_dev
rtl8101_mdio_write(tp, 0x1F, 0x0000);
}
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);
tp->phy_reg_aner = 0;
tp->phy_reg_anlpar = 0;