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Re: [RFC] cfg80211: Fix incompatible interfaces combination

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Hi Johannes,


No, initialization was incorrect -- this is better:
http://p.sipsolutions.net/e5ab0f3e38f90d6d.txt


thanks a lot for the patch!
with the above patch ath9k seems be working fine with the single incompatible adhoc interface. but i was just experimenting with ath9k(similar to iwlwifi having hw->wiphy->n_iface_combinations > 1) with this patch.

static const struct ieee80211_iface_limit a[] = {
        { .max = 2,     .types = BIT(NL80211_IFTYPE_STATION) },
};

static const struct ieee80211_iface_limit b[] = {
        { .max = 2,     .types = BIT(NL80211_IFTYPE_MESH_POINT) },
};

static const struct ieee80211_iface_combination if_comb[] = {
        {.limits = a,
        .n_limits = ARRAY_SIZE(a),
        .max_interfaces = 2,
        .num_different_channels = 1,
        },
        {.limits = b,
        .n_limits = ARRAY_SIZE(b),
        .max_interfaces = 2,
        .num_different_channels = 1,
        },

};

i could not add mesh interface if a managed interface is already there and vice versa. if this is the expected behavior, then fine.

dmesg
iteration 1: cfg80211_can_change_interface all_iftypes 4 and used_iftypes 84
iteration 2: cfg80211_can_change_interface all_iftypes 80 and used_iftypes 84


--
thanks,
shafi
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