On Fri, 11 Jun 2021, at 08:10, David Bauer wrote: > Can you be more precise in terms of which issues are you facing? The > PHY capabilities on > the AR8333 now read 1000B-X as a supported link mode, so fiber > operation should be possible. > > Can you share the capabilities advertised with current master and your > path (ethtool). > > Reverting these patches would divert from upcoming kernel versions > (mind both are backports, > not downstream hacks), thus this is not a solution. Ideally, the fiber > operation should be > integrated into the upstream driver.
I agree that this should be corrected atop the backports. It would be great to see this SFP support upstreamed. I have not tested SFP on OpenWrt master for some time, so I cannot blame a change yet. This is what I am seeing on ramips 760igs: SFP (module, and driver LOS) has link detected, but this is not reflected by the interface (which is configured in OpenWrt as part of a bridge) sfp: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel master br-wan state DOWN qlen 1000 r16925+6-b721579842 master, plus my SPI-NOR changes: https://github.com/openwrt/openwrt/pull/3271/commits I do not remember these being looped in dmesg when I had working SFP: sfp sfp1: SM: enter present:up:link_up event dev_up sfp sfp1: SM: exit present:up:link_up ethtool sfp Settings for sfp: Supported ports: [ TP MII ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full 1000baseX/Full Supported pause frame use: Symmetric Receive-only Supports auto-negotiation: Yes Supported FEC modes: Not reported Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full 1000baseX/Full Advertised pause frame use: Symmetric Receive-only Advertised auto-negotiation: Yes Advertised FEC modes: Not reported Speed: Unknown! Duplex: Unknown! (255) Port: MII PHYAD: 7 Transceiver: external Auto-negotiation: on Current message level: 0x000000ff (255) drv probe link timer ifdown ifup rx_err tx_err Link detected: no Pieces missing from a very old (r14885+1-fe302d472a) working SFP build: link partner advertisement and link speed / duplex Link partner advertised link modes: 1000baseX/Full Link partner advertised pause frame use: Symmetric Receive-only Link partner advertised auto-negotiation: Yes Link partner advertised FEC modes: Not reported Speed: 1000Mb/s Duplex: Full Port: MII PHYAD: 7 Transceiver: external Auto-negotiation: on Current message level: 0x000000ff (255) drv probe link timer ifdown ifup rx_err tx_err Link detected: yes these cannot be forced on my current build: ethtool -s sfp speed 1000 duplex full [ 182.182182] at803x_config_aneg: fiber Attached: version=$(cat /etc/openwrt_version) mkdir -p "/tmp/sfp/$version" dmesg > "/tmp/sfp/$version/dmesg" logread > "/tmp/sfp/$version/logread" ethtool sfp > "/tmp/sfp/$version/ethtool_sfp" ethtool -m sfp > "/tmp/sfp/$version/ethtool_m_sfp" echo -n 'file sfp.c +p' > /sys/kernel/debug/dynamic_debug/control /etc/init.d/network restart dmesg > "/tmp/sfp/$version/dmesg_reup" logread > "/tmp/sfp/$version/logread_reup" # remove, and reinsert SFP module dmesg > "/tmp/sfp/$version/dmesg_reinsert" logread > "/tmp/sfp/$version/logread_reinsert" diffconfig: CONFIG_TARGET_ramips=y CONFIG_TARGET_ramips_mt7621=y CONFIG_TARGET_ramips_mt7621_DEVICE_mikrotik_routerboard-760igs=y CONFIG_KERNEL_DYNAMIC_DEBUG=y CONFIG_KERNEL_MTD_PARTITIONED_MASTER=y CONFIG_PACKAGE_ethtool=y CONFIG_ETHTOOL_PRETTY_DUMP=y Cheers, -- John Thomson
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