> Ah, no, I misread that. Well, I think it might still help to say you > need N bytes headroom and use those since you wouldn't have to allocate > an extra skb. There actually might be a benefit in doing this but it is quite a change in design which means not now. > > > > You should implement TCP checksumming in the hardware. *that* would help > > > a lot. > > > > There is already pretty much deal of link layer in software to reduce > > the cost and the complexity of the HW for these softmac NICs so > > this would be kind of strange investment...but I didn't invest much > > thoughts into yet. > > There are probably other means to utilize scatter gather DMA then TCP > > off loading. Are they any other source of scattered packets maybe > > iovec? > > Well as far as I know those too would be zero-copy IO which only works > if you have TCP checksumming in hardware. I've just scanned the thread that was explaining why is this necessary I will read it more carefully... I have just feeling that all this wlan stuff just fits very awkwardly into current networking stack. Tomas -- 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
