Re: [PATCH] ib_ipoib: CSUM support in connected mode

Hi all, Sorry but this patch will not go smoothly to latest kernel. I'm currently adjusting it to fit to v3.17-rc4 and will send new one soon. Yuval On Sat, Oct 04, 2014 at 04:45:47AM -0700, Yuval Shaia wrote: > This enhancement suggest the usage of IB CRC instead of CSUM in IPoIB CM. > IPoIB Con

[PATCH] ib_ipoib: CSUM support in connected mode

This enhancement suggest the usage of IB CRC instead of CSUM in IPoIB CM. IPoIB Connected Mode driver uses RC (Reliable Connection) which guarantees the corruption free delivery of the packet. InfiniBand uses 32b CRC which provides stronger data integrity protection compare to 16b IP Checksum. So,

Re: ib_ipoib: CSUM support in connected mode

On Wed, Oct 01, 2014 at 03:13:33PM +0300, Or Gerlitz wrote: > > On 10/1/2014 2:55 PM, Yuval Shaia wrote: > >On transmit checksum calculation is done while copying buffer from > >user-space so not much benefit > but this copying can go away, right? I assume this is exactly what networking-layer do