[ofa-general] Re: [PATCH] mlx4: display misc device information via sysfs under /sys/class/infiniband/mlx4_x, for ibstat and ibv_devinfo
Jack Morgenstein
jackm at dev.mellanox.co.il
Mon Oct 1 00:48:40 PDT 2007
On Wednesday 26 September 2007 21:54, Roland Dreier wrote:
> I had to edit the patch, because of:
>
> > MLX4_MGM_ENTRY_SIZE = 0x100,
>
> this context didn't match the upstream kernel (I see 0x40 there). Is
> there some reason you have a bigger size in your tree? If so should
> we make the change upstream too?
Yes, the change should go upstream. With an MGM entry size of 64, each multicast group
can support only 8 QPs. Increasing the entry size to 256 enables support of 56 QPs per
multicast group (8 QPs per multicast group was not enough for some users).
- Jack
More information about the general
mailing list