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    mac80211: improve HT channel handling · 0aaffa9b
    Johannes Berg 提交于
    Currently, when one interface switches HT mode,
    all others will follow along. This is clearly
    undesirable, since the new one might switch to
    no-HT while another one is operating in HT.
    
    Address this issue by keeping track of the HT
    mode per interface, and allowing only changes
    that are compatible, i.e. switching into HT40+
    is not possible when another interface is in
    HT40-, in that case the second one needs to
    fall back to HT20.
    
    Also, to allow drivers to know what's going on,
    store the per-interface HT mode (channel type)
    in the virtual interface's bss_conf.
    Signed-off-by: NJohannes Berg <johannes@sipsolutions.net>
    Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
    0aaffa9b
mac80211_hwsim.c 40.8 KB