On Mon, Mar 19, 2012 at 6:38 AM, Chun-Yeow Yeoh <yeohchunyeow@xxxxxxxxx> wrote:
> The HWMP sequence number of received RANN element is compared to decide whether to be
> propagated. The sequence number is required to covert from 32bit little endian data into
> CPUs endianness for comparison. The same applies to the RANN metric.
>
> Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@xxxxxxxxx>
Signed-off-by: Javier Cardona <javier@xxxxxxxxxxx>
> ---
> include/linux/ieee80211.h | 6 +++---
> net/mac80211/mesh_hwmp.c | 4 ++--
> 2 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
> index 210e2c3..cd4c7ed 100644
> --- a/include/linux/ieee80211.h
> +++ b/include/linux/ieee80211.h
> @@ -640,9 +640,9 @@ struct ieee80211_rann_ie {
> u8 rann_hopcount;
> u8 rann_ttl;
> u8 rann_addr[6];
> - u32 rann_seq;
> - u32 rann_interval;
> - u32 rann_metric;
> + __le32 rann_seq;
> + __le32 rann_interval;
> + __le32 rann_metric;
> } __attribute__ ((packed));
>
> enum ieee80211_rann_flags {
> diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
> index 1c6f3d0..f80a9e3 100644
> --- a/net/mac80211/mesh_hwmp.c
> +++ b/net/mac80211/mesh_hwmp.c
> @@ -748,10 +748,10 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
> flags = rann->rann_flags;
> root_is_gate = !!(flags & RANN_FLAG_IS_GATE);
> orig_addr = rann->rann_addr;
> - orig_sn = rann->rann_seq;
> + orig_sn = le32_to_cpu(rann->rann_seq);
> hopcount = rann->rann_hopcount;
> hopcount++;
> - metric = rann->rann_metric;
> + metric = le32_to_cpu(rann->rann_metric);
>
> /* Ignore our own RANNs */
> if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0)
> --
> 1.7.0.4
>
--
Javier Cardona
cozybit Inc.
http://www.cozybit.com
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