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| author | Johannes Berg <johannes@sipsolutions.net> | 2009-04-08 12:54:41 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-04-22 16:54:41 -0400 |
| commit | de2b3e864aa908e613dd9912def88af7877d85f3 (patch) | |
| tree | 7d619023b1cbc71e19559fdd6339df395041b884 /Documentation/networking | |
| parent | 4499b23933b44bf9e56d1a29b51d9a62941f9fa4 (diff) | |
| download | blackbird-obmc-linux-de2b3e864aa908e613dd9912def88af7877d85f3.tar.gz blackbird-obmc-linux-de2b3e864aa908e613dd9912def88af7877d85f3.zip | |
mac80211: update injection documentation
We don't currently support antenna or rate setting, so remove
that. Also update the link -- the current one is dead and the
wiki can be kept updated easier.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/mac80211-injection.txt | 28 |
1 files changed, 6 insertions, 22 deletions
diff --git a/Documentation/networking/mac80211-injection.txt b/Documentation/networking/mac80211-injection.txt index 84906ef3ed6e..b30e81ad5307 100644 --- a/Documentation/networking/mac80211-injection.txt +++ b/Documentation/networking/mac80211-injection.txt @@ -12,38 +12,22 @@ following format: The radiotap format is discussed in ./Documentation/networking/radiotap-headers.txt. -Despite 13 radiotap argument types are currently defined, most only make sense +Despite many radiotap parameters being currently defined, most only make sense to appear on received packets. The following information is parsed from the radiotap headers and used to control injection: - * IEEE80211_RADIOTAP_RATE - - rate in 500kbps units, automatic if invalid or not present - - - * IEEE80211_RADIOTAP_ANTENNA - - antenna to use, automatic if not present - - - * IEEE80211_RADIOTAP_DBM_TX_POWER - - transmit power in dBm, automatic if not present - - * IEEE80211_RADIOTAP_FLAGS IEEE80211_RADIOTAP_F_FCS: FCS will be removed and recalculated IEEE80211_RADIOTAP_F_WEP: frame will be encrypted if key available IEEE80211_RADIOTAP_F_FRAG: frame will be fragmented if longer than the - current fragmentation threshold. Note that - this flag is only reliable when software - fragmentation is enabled) + current fragmentation threshold. + The injection code can also skip all other currently defined radiotap fields facilitating replay of captured radiotap headers directly. -Here is an example valid radiotap header defining these three parameters +Here is an example valid radiotap header defining some parameters 0x00, 0x00, // <-- radiotap version 0x0b, 0x00, // <- radiotap header length @@ -72,8 +56,8 @@ interface), along the following lines: ... r = pcap_inject(ppcap, u8aSendBuffer, nLength); -You can also find sources for a complete inject test applet here: +You can also find a link to a complete inject application here: -http://penumbra.warmcat.com/_twk/tiki-index.php?page=packetspammer +http://wireless.kernel.org/en/users/Documentation/packetspammer Andy Green <andy@warmcat.com> |
