openwrt/package/kernel/r8168/patches/200-r8168-print-link-speed-and-duplex-mode.patch
Álvaro Fernández Rojas 2f846a3315 kernel: r8168: print link status when link up
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>
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
2024-08-18 19:57:36 +02:00

99 lines
3.3 KiB
Diff

From 0078930e0c374d327cd3281e5e2f7ff97b40b335 Mon Sep 17 00:00:00 2001
From: Chukun Pan <amadeus@jmu.edu.cn>
Date: Sun, 4 Aug 2024 16:15:12 +0800
Subject: [PATCH] r8168: 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>
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
---
src/r8168.h | 2 ++
src/r8168_n.c | 44 +++++++++++++++++++++++++++++++++++++++++---
2 files changed, 43 insertions(+), 3 deletions(-)
--- a/src/r8168.h
+++ b/src/r8168.h
@@ -1385,6 +1385,8 @@ enum RTL8168_register_content {
LinkStatus = 0x02,
FullDup = 0x01,
+#define RTL8168_FULL_DUPLEX_MASK (_1000bpsF | FullDup)
+
/* DBG_reg */
Fix_Nak_1 = (1 << 4),
Fix_Nak_2 = (1 << 3),
--- a/src/r8168_n.c
+++ b/src/r8168_n.c
@@ -43,6 +43,7 @@
#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>
@@ -5373,6 +5374,36 @@ rtl8168_link_down_patch(struct net_devic
#endif
}
+static unsigned int rtl8168_phy_duplex(u8 status)
+{
+ unsigned int duplex = DUPLEX_UNKNOWN;
+
+ if (status & LinkStatus) {
+ if (status & RTL8168_FULL_DUPLEX_MASK)
+ duplex = DUPLEX_FULL;
+ else
+ duplex = DUPLEX_HALF;
+ }
+
+ return duplex;
+}
+
+static int rtl8168_phy_speed(u8 status)
+{
+ int speed = SPEED_UNKNOWN;
+
+ if (status & LinkStatus) {
+ if (status & _1000bpsF)
+ speed = SPEED_1000;
+ else if (status & _100bps)
+ speed = SPEED_100;
+ else if (status & _10bps)
+ speed = SPEED_10;
+ }
+
+ return speed;
+}
+
static void
rtl8168_check_link_status(struct net_device *dev)
{
@@ -5392,11 +5423,18 @@ rtl8168_check_link_status(struct net_dev
if (link_status_on) {
rtl8168_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 u8 phy_status = RTL_R8(tp, PHYstatus);
+ const unsigned int phy_duplex = rtl8168_phy_duplex(phy_status);
+ const int phy_speed = rtl8168_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);
rtl8168_link_down_patch(dev);
}