On Tue, 2015-04-14 at 17:03 +0200, Johannes Berg wrote: > First, add the TX fastpath ("fast-xmit") that I've been kicking around for > a while. I'm pretty happy with the abstraction since it allows me to not > have to worry about a lot of details in the regular TX path... > > Secondly, I want to enable more offloads. So the first thing to do is to > actually fix checksum offload - the TI driver has a bug in that if it fails > to upload keys or so, checksums will be completely bogus. > > So the first step to fix that bug is to enable checksum offload only on > the fast-xmit path, while having a software fallback on the regular TX path > to make software crypto etc. do the right thing. To not cause regressions > for the TI/ath10k drivers, this requires extending fast-xmit to cover more > cases, but that's easy. > > Secondly then, we can add code to do in software what the driver might do, > which is actually what the network stack does for us anyway today, but now > we can do it only on the non-fast-xmit path so that the fast-xmit path can > pass packets with required checksumming or segmentation to the device. > > So far I've only tested the software fallbacks, not the actual hardware > offloads. Forgot to say - for those who do want to play with this, this is also available in my mac80211-next tree in the fast-xmit branch. johannes -- 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