On Thu, 2008-04-10 at 15:49 -0700, Reinette Chatre wrote:
> From: Abhijeet Kolekar <abhijeet.kolekar@xxxxxxxxx>
>
> For WME(221) tag in beacon frames from certain n-only aps·
> 5th bit is not set.So while parsing the beacon frame the wmm_info·
> structure is used instead of wmm_param. wmm_info structure is·
> never used to set bss->wmm_ie. While sending the association request to
> n-only ap it checks for wmm_ie. If it is set then only ieee80211_ht_cap
> is sent during association request.So n-only association fails.
> This patch fixes this problem by copying the WME information from wmm_info
> to bss->wmm_ie and thus enabling n-band association.
I haven't got a clue. I didn't even know there where two things,
wmm_param and wmm_info.
> Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@xxxxxxxxx>
> Acked-by: Ron Rindjunsky <ron.rindjunsky@xxxxxxxxx>
> ---
> net/mac80211/mlme.c | 13 ++++++++++++-
> 1 files changed, 12 insertions(+), 1 deletions(-)
>
> diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
> index 83e8b49..ec2f722 100644
> --- a/net/mac80211/mlme.c
> +++ b/net/mac80211/mlme.c
> @@ -2668,7 +2668,18 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
> bss->wmm_ie_len = elems.wmm_param_len + 2;
> } else
> bss->wmm_ie_len = 0;
> - } else if (!elems.wmm_param && bss->wmm_ie) {
> + } else if (elems.wmm_info &&
> + (!bss->wmm_ie || bss->wmm_ie_len != elems.wmm_info_len ||
> + memcmp(bss->wmm_ie, elems.wmm_info,elems.wmm_info_len))) {
> + kfree(bss->wmm_ie);
> + bss->wmm_ie = kmalloc(elems.wmm_info_len + 2, GFP_ATOMIC);
> + if (bss->wmm_ie) {
> + memcpy(bss->wmm_ie, elems.wmm_info - 2,
> + elems.wmm_info_len + 2);
> + bss->wmm_ie_len = elems.wmm_info_len + 2;
> + } else
> + bss->wmm_ie_len = 0;
> + } else if (!elems.wmm_param && !elems.wmm_info && bss->wmm_ie) {
> kfree(bss->wmm_ie);
> bss->wmm_ie = NULL;
> bss->wmm_ie_len = 0;
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