[ewg] [PATCH] ib_mad: Fix RMPP header RRespTime manipulation

[Hal Rosenstock]

On Thu, Feb 26, 2009 at 11:38 AM, Ramachandra K
<ramachandra.kuchimanchi at qlogic.com> wrote:
> Fix ib_set_rmpp_flags() to use the correct bit mask for RRespTime.
> In the 8-bit field of the RMPP header, the first 5 bits
> are RRespTime and next 3 bits are RMPPFlags. Hence to retain
> the first 5 bits, the mask should be 0xF8 instead of 0xF1.
>
> Signed-off-by: Ramachandra K <ramachandra.kuchimanchi at qlogic.com>
> ---
>
> diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
> index 5f6c40f..1a0f409 100644
> --- a/include/rdma/ib_mad.h
> +++ b/include/rdma/ib_mad.h
> @@ -290,7 +290,7 @@ static inline void ib_set_rmpp_resptime(struct ib_rmpp_hdr *rmpp_hdr, u8 rtime)
>  */
>  static inline void ib_set_rmpp_flags(struct ib_rmpp_hdr *rmpp_hdr, u8 flags)
>  {
> -       rmpp_hdr->rmpp_rtime_flags = (rmpp_hdr->rmpp_rtime_flags & 0xF1) |
> +       rmpp_hdr->rmpp_rtime_flags = (rmpp_hdr->rmpp_rtime_flags & 0xF8) |

Looks right to me. Sean ?

-- Hal

>                                     (flags & 0x7);
>  }
>
>
>
>
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