patches for if_iwi and wlan for WEP mode

[Adrian Chadd]

Hi!

(cc'ing freebsd-wireless, where we try to talk about this kind of stuff...)

On 5 March 2012 09:42, Mitsuru IWASAKI <iwasaki at jp.freebsd.org> wrote:
> Hi,
>
> I've fixed iwi(4) so that Intel(R) PRO/Wireless 2915ABG work
> in WEP mode, which seems to be broken since 8.0-RELEASE.

Thanks for looking into this!

I've not looked into ath(4) and WEP (ever, to be honest) - I really
should. I wonder if it's similarly broken. But if it isn't, ath(4)
doesn't yet use if_transmit/if_flush. That's on my TODO list (in order
to fix fragment handling, rather than WEP.)

Would you please open a PR with this particular issue and then attach
the patch to it?

I'd rather you not commit the net80211 change until I've verified that
WEP works or doesn't work with ath(4).

Thanks!


Adrian

>
> The patches against HEAD at:
> http://people.freebsd.org/~iwasaki/iwi/iwi-20120305.diff
>
> I'm not sure that changes on ieee80211 layer are right fixes,
> but all of mbufs were discarded in ieee80211_start() in WEP mode.
>
> ----
> void
> ieee80211_start(struct ifnet *ifp)
> {
> [snip]
>                        if (ni->ni_associd == 0 &&
>                            (ni->ni_flags & IEEE80211_NODE_ASSOCID)) {
>                                IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_OUTPUT,
>                                    eh->ether_dhost, NULL,
>                                    "sta not associated (type 0x%04x)",
>                                    htons(eh->ether_type));
>                                vap->iv_stats.is_tx_notassoc++;
>                                ifp->if_oerrors++;
>                                m_freem(m);
>                                ieee80211_free_node(ni);
>                                continue;
>                        }
> ----
>
> My patches set IEEE80211_NODE_ASSOCID bit only if ni->ni_associd
> is set.  Any suggestions on this part are welcome.
>
> I'm going to commit the changes coming weekend.
>
> Thanks!
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