On Sat, 2009-11-14 at 03:29 +0100, Felix Fietkau wrote: > In order to handle association and authentication in AP mode, > hostapd needs access to the tx status info of its own frames > through a cooked monitor interface. Without this patch the > cooked monitor interfaces also passed on tx status information > for packets from other virtual interfaces. This creates a > significant performance issue on embedded system. Hostapd > tries to work around this by installing a Linux Socket Filter > that only captures the frames it's interested in, however > data duplication and socket filter matching still uses up > enough CPU cycles to be very noticeable on small systems. > This patch ensures that tx status information of non-injected > frames does not make it to cooked monitor interfaces. > > Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx> > + if ((sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) && > + !(info->flags & IEEE80211_TX_CTL_INJECTED) && > + (type == IEEE80211_FTYPE_DATA)) > + continue; > + This patch also breaks IEEE 802.11 compliance. :) johannes
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