On 4 February 2015 at 13:38, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote: > On Wed, 2015-02-04 at 13:22 +0100, Michal Kazior wrote: >> On 4 February 2015 at 12:57, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote: > >> >> > To disable gso you would have to use : >> > >> > ethtool -K wlan1 gso off >> >> Oh, thanks! This works. However I can't turn it on: >> >> ; ethtool -K wlan1 gso on >> Could not change any device features >> >> ..so I guess it makes no sense to re-run tests because: >> >> ; ethtool -k wlan1 | grep generic >> tx-checksum-ip-generic: on [fixed] >> generic-segmentation-offload: off [requested on] >> generic-receive-offload: on >> >> And this seems to never change. > > GSO requires SG (Scatter Gather) > > Are you sure this hardware has no SG support ? The hardware itself seems to be capable. The firmware is a problem though. I'm also not sure if mac80211 can handle this as is. No 802.11 driver seems to support SG except wil6210 which uses cfg80211 and netdevs directly. Michał -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
