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authorsam <sam@FreeBSD.org>2009-05-20 20:00:40 +0000
committersam <sam@FreeBSD.org>2009-05-20 20:00:40 +0000
commit68f7a1034ab73897585652ceedd3727d57150c12 (patch)
treec9b0cc01e080db542eb19f65236177aacfa14b5d /contrib/gnu-sort
parentdf90a80062bff5ee7300c9b15aaeeaa9c1b49b5e (diff)
downloadFreeBSD-src-68f7a1034ab73897585652ceedd3727d57150c12.zip
FreeBSD-src-68f7a1034ab73897585652ceedd3727d57150c12.tar.gz
Overhaul monitor mode handling:
o replace DLT_IEEE802_11 support in net80211 with DLT_IEEE802_11_RADIO and remove explicit bpf support from wireless drivers; drivers now use ieee80211_radiotap_attach to setup shared data structures that hold the radiotap header for each packet tx/rx o remove rx timestamp from the rx path; it was used only by the tdma support for debugging and was mostly useless due to it being 32-bits and mostly unavailable o track DLT_IEEE80211_RADIO bpf attachments and maintain per-vap and per-com state when there are active taps o track the number of monitor mode vaps o use bpf tap and monitor mode vap state to decide when to collect radiotap state and dispatch frames; drivers no longer explicitly directly check bpf state or use bpf calls to tap frames o handle radiotap state updates on channel change in net80211; drivers should not do this (unless they bypass net80211 which is almost always a mistake) o update various drivers to be more consistent/correct in handling radiotap o update ral to include TSF in radiotap'd frames o add promisc mode callback to wi Reviewed by: cbzimmer, rpaulo, thompsa
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