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器件型号：PROCESSOR-SDK-AM62A工具/软件：
TI 专家：
我们有一个使用 AM62A 且 SDK 版本为 9.1 的工程、已完成 Marvell MV88Q2112 PHY 驱动程序的调试。
由于某些原因、我们现在已升级到最新的 11.01 RTLinux SDK。 在新的 SDK 上、无法成功 ping 通以太网。 请帮助分析可能的原因。
ping 命令始终返回“Network is unreachable“（无法访问网络）
root@am62axx-evm:~# ping 192.168.1.100 ping: connect: Network is unreachable
ifconfig 信息
root@am62axx-evm:~# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.198 netmask 255.255.255.255 broadcast 0.0.0.0
inet6 fe80::625:e8ff:feb1:698c prefixlen 64 scopeid 0x20<link>
ether 04:25:e8:b1:69:8c txqueuelen 1000 (Ethernet)
RX packets 21 bytes 1260 (1.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 9 bytes 726 (726.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
ethtool 信息
root@am62axx-evm:~# ethtool eth0
Settings for eth0:
Supported ports: [ ]
Supported link modes: 100baseT1/Full
1000baseT1/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: No
Supported FEC modes: Not reported
Advertised link modes: 100baseT1/Full
1000baseT1/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: No
Advertised FEC modes: Not reported
Speed: 1000Mb/s
Duplex: Full
Auto-negotiation: off
master-slave cfg: forced master
master-slave status: master
Port: Twisted Pair
PHYAD: 2
Transceiver: external
MDI-X: Unknown
Supports Wake-on: d
Wake-on: d
Current message level: 0x000020f7 (8439)
drv probe link ifdown ifup rx_err tx_err hw
Link detected: yes
SQI: 15/15
dmesg 信息
root@am62axx-evm:~# dmesg | grep am65-cpsw-nuss [ 1.702480] am65-cpsw-nuss 8000000.ethernet: initializing am65 cpsw nuss version 0x6BA01103, cpsw version 0x6BA81103 Ports: 3 quirks:00000006 [ 1.739917] am65-cpsw-nuss 8000000.ethernet: initialized cpsw ale version 1.5 [ 1.739925] am65-cpsw-nuss 8000000.ethernet: ALE Table size 512, Policers 32 [ 1.740744] am65-cpsw-nuss 8000000.ethernet: CPTS ver 0x4e8a010c, freq:500000000, add_val:1 pps:1 [ 1.781292] am65-cpsw-nuss 8000000.ethernet: set new flow-id-base 19 [ 6.971283] am65-cpsw-nuss 8000000.ethernet eth0: PHY [8000f00.mdio:02] driver [mv88q2112] (irq=POLL) [ 6.971300] am65-cpsw-nuss 8000000.ethernet eth0: configuring for phy/rgmii-rxid link mode [ 10.152251] am65-cpsw-nuss 8000000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
从主机 PC ping 电路板时、我可以通过 tcpdump 捕获一些 ARP 数据包。
root@am62axx-evm:~# tcpdump -i eth0 -v [ 4762.694189] am65-cpsw-nuss 8000000.ethernet eth0: entered promiscuous mode [ 4762.694284] audit: type=1700 audit(1748549262.513:4): dev=eth0 prom=256 old_prom=0 auid=4294967295 uid=0 gid=0 ses=4294967295 [ 4762.694597] audit: type=1300 audit(1748549262.513:4): arch=c00000b7 syscall=208 success=yes exit=0 a0=4 a1=107 a2=1 a3=ffffd84a0fa0 items=0 ppid=845 pid=3074 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0) [ 4762.694626] audit: type=1327 audit(1748549262.513:4): proctitle=74637064756D70002D690065746830002D76 tcpdump: listening on eth0, link-type EN10MB (Ethernet), snapshot length 262144 bytes 20:07:43.031649 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46 20:07:44.055663 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46 20:07:46.104761 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46 20:07:47.128682 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46 20:07:48.151815 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46 20:07:50.199762 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46 20:07:51.224599 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46 20:07:52.247652 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46 20:07:53.271986 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46 20:07:54.295636 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46 20:07:55.319710 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has am62axx-evm tell 192.168.1.100, length 46
