On 1/26/2021 5:00 PM, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.olt...@nxp.com>
>
> This reverts commit 728c02089a0e3eefb02e9927bfae50490f40e72e.
>
> Since 2015 DSA has gained more integration with the network stack, we
> can now have the same functionality without explicitly open-coding for
> it:
> - It now opens the DSA master netdevice automatically whenever a user
> netdevice is opened.
> - The master and switch interfaces are coupled in an upper/lower
> hierarchy using the netdev adjacency lists.
>
> In the nfsroot example below, the interface chosen by autoconfig was
> swp3, and every interface except that and the DSA master, eth1, was
> brought down afterwards:
>
> [ 8.714215] mscc_felix 0000:00:00.5 swp0 (uninitialized): PHY
> [0000:00:00.3:10] driver [Microsemi GE VSC8514 SyncE] (irq=POLL)
> [ 8.978041] mscc_felix 0000:00:00.5 swp1 (uninitialized): PHY
> [0000:00:00.3:11] driver [Microsemi GE VSC8514 SyncE] (irq=POLL)
> [ 9.246134] mscc_felix 0000:00:00.5 swp2 (uninitialized): PHY
> [0000:00:00.3:12] driver [Microsemi GE VSC8514 SyncE] (irq=POLL)
> [ 9.486203] mscc_felix 0000:00:00.5 swp3 (uninitialized): PHY
> [0000:00:00.3:13] driver [Microsemi GE VSC8514 SyncE] (irq=POLL)
> [ 9.512827] mscc_felix 0000:00:00.5: configuring for fixed/internal link
> mode
> [ 9.521047] mscc_felix 0000:00:00.5: Link is Up - 2.5Gbps/Full - flow
> control off
> [ 9.530382] device eth1 entered promiscuous mode
> [ 9.535452] DSA: tree 0 setup
> [ 9.539777] printk: console [netcon0] enabled
> [ 9.544504] netconsole: network logging started
> [ 9.555047] fsl_enetc 0000:00:00.2 eth1: configuring for fixed/internal
> link mode
> [ 9.562790] fsl_enetc 0000:00:00.2 eth1: Link is Up - 1Gbps/Full - flow
> control off
> [ 9.564661] 8021q: adding VLAN 0 to HW filter on device bond0
> [ 9.637681] fsl_enetc 0000:00:00.0 eth0: PHY [0000:00:00.0:02] driver
> [Qualcomm Atheros AR8031/AR8033] (irq=POLL)
> [ 9.655679] fsl_enetc 0000:00:00.0 eth0: configuring for inband/sgmii link
> mode
> [ 9.666611] mscc_felix 0000:00:00.5 swp0: configuring for inband/qsgmii
> link mode
> [ 9.676216] 8021q: adding VLAN 0 to HW filter on device swp0
> [ 9.682086] mscc_felix 0000:00:00.5 swp1: configuring for inband/qsgmii
> link mode
> [ 9.690700] 8021q: adding VLAN 0 to HW filter on device swp1
> [ 9.696538] mscc_felix 0000:00:00.5 swp2: configuring for inband/qsgmii
> link mode
> [ 9.705131] 8021q: adding VLAN 0 to HW filter on device swp2
> [ 9.710964] mscc_felix 0000:00:00.5 swp3: configuring for inband/qsgmii
> link mode
> [ 9.719548] 8021q: adding VLAN 0 to HW filter on device swp3
> [ 9.747811] Sending DHCP requests ..
> [ 12.742899] mscc_felix 0000:00:00.5 swp1: Link is Up - 1Gbps/Full - flow
> control rx/tx
> [ 12.743828] mscc_felix 0000:00:00.5 swp0: Link is Up - 1Gbps/Full - flow
> control off
> [ 12.747062] IPv6: ADDRCONF(NETDEV_CHANGE): swp1: link becomes ready
> [ 12.755216] fsl_enetc 0000:00:00.0 eth0: Link is Up - 1Gbps/Full - flow
> control rx/tx
> [ 12.766603] IPv6: ADDRCONF(NETDEV_CHANGE): swp0: link becomes ready
> [ 12.783188] mscc_felix 0000:00:00.5 swp2: Link is Up - 1Gbps/Full - flow
> control rx/tx
> [ 12.785354] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
> [ 12.799535] IPv6: ADDRCONF(NETDEV_CHANGE): swp2: link becomes ready
> [ 13.803141] mscc_felix 0000:00:00.5 swp3: Link is Up - 1Gbps/Full - flow
> control rx/tx
> [ 13.811646] IPv6: ADDRCONF(NETDEV_CHANGE): swp3: link becomes ready
> [ 15.452018] ., OK
> [ 15.470336] IP-Config: Got DHCP answer from 10.0.0.1, my address is
> 10.0.0.39
> [ 15.477887] IP-Config: Complete:
> [ 15.481330] device=swp3, hwaddr=00:04:9f:05:de:0a, ipaddr=10.0.0.39,
> mask=255.255.255.0, gw=10.0.0.1
> [ 15.491846] host=10.0.0.39, domain=(none), nis-domain=(none)
> [ 15.498429] bootserver=10.0.0.1, rootserver=10.0.0.1, rootpath=
> [ 15.498481] nameserver0=8.8.8.8
> [ 15.627542] fsl_enetc 0000:00:00.0 eth0: Link is Down
> [ 15.690903] mscc_felix 0000:00:00.5 swp0: Link is Down
> [ 15.745216] mscc_felix 0000:00:00.5 swp1: Link is Down
> [ 15.800498] mscc_felix 0000:00:00.5 swp2: Link is Down
> [ 15.858143] ALSA device list:
> [ 15.861420] No soundcards found.
>
> Signed-off-by: Vladimir Oltean <vladimir.olt...@nxp.com>
Reviewed-by: Florian Fainelli <f.faine...@gmail.com>
--
Florian
