From: Andrew Lunn <andrew@lunn.ch>
To: Gabriel Hojda <ghojda@yo2urs.ro>
Cc: Martyn Welch <martyn.welch@collabora.com>,
netdev <netdev@vger.kernel.org>
Subject: Re: Issues with smsc95xx driver since a049a30fc27c
Date: Mon, 20 Dec 2021 09:53:20 +0100 [thread overview]
Message-ID: <YcBEgE589cf5DhJd@lunn.ch> (raw)
In-Reply-To: <c95954ec12dfcf8877c1bf92047c0268@yo2urs.ro>
> # ip link set eth0 up
> # ip link show eth0
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP
> mode DEFAULT group default qlen 1000
> link/ether ee:f1:a8:e7:0c:8f brd ff:ff:ff:ff:ff:ff
>
> ... now link is up with the same mac address
>
> # ifconfig eth0
> eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
> inet6 2a02:2f09:3d09:1b00:ecf1:a8ff:fee7:c8f prefixlen 64 scopeid
> 0x0<global>
> inet6 fe80::ecf1:a8ff:fee7:c8f prefixlen 64 scopeid 0x20<link>
> inet6 fd00:cafe::c772:d58f:1061:4df3 prefixlen 64 scopeid
> 0x0<global>
> inet6 fd00:cafe::ecf1:a8ff:fee7:c8f prefixlen 64 scopeid
> 0x0<global>
> inet6 2a02:2f09:3d09:1b00:eef4:bb1d:f9d5:febc prefixlen 64 scopeid
> 0x0<global>
These make use of multicast. Router Advertisements are multicast, both
at L2 and L3, by the router to the Internet.
> # ping -6 -c 10 ipv6.l.google.com
> PING ipv6.l.google.com(ipv6.l.google.com (2a00:1450:400d:806::200e)) 56 data
> bytes
> From odroid (2a02:2f09:3d09:1b00:eef4:bb1d:f9d5:febc) icmp_seq=1 Destination
> unreachable: Address unreachable
> ...
> --- ipv6.l.google.com ping statistics ---
> 10 packets transmitted, 0 received, +7 errors, 100% packet loss, time 9311ms
ping uses unicast.
> ... neither does it work for my local router, so network layer 3 does not
> seem to work
I think it is still pointing towards L2 unicast.
> next, when i have time and if there's still no progress, i think i should
> try to insert:
>
> ret = smsc95xx_reset(dev);
> if (ret)
> goto free_pdata;
>
> before
>
> ret = phy_connect_direct(dev->net, pdata->phydev,
> &smsc95xx_handle_link_change,
> PHY_INTERFACE_MODE_MII);
>
> in smsc95xx_bind() to try to emulate the old behavior for the first call to
> start_phy().
Yes, that will be in interesting experiment. Something in
smsc95xx_reset() is required.
Andrew
next prev parent reply other threads:[~2021-12-20 8:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-17 15:45 Issues with smsc95xx driver since a049a30fc27c Martyn Welch
2021-12-18 16:45 ` Andrew Lunn
2021-12-18 17:23 ` Gabriel Hojda
2021-12-18 18:22 ` Andrew Lunn
2021-12-18 18:32 ` Andrew Lunn
2021-12-18 20:33 ` Gabriel Hojda
2021-12-20 10:37 ` Markus Reichl
[not found] ` <c95954ec12dfcf8877c1bf92047c0268@yo2urs.ro>
2021-12-20 8:53 ` Andrew Lunn [this message]
2021-12-20 20:04 ` Gabriel Hojda
2021-12-20 21:28 ` Gabriel Hojda
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