diff options
| author | Amitkumar Karwar <akarwar@marvell.com> | 2013-02-12 12:16:26 -0800 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-02-13 10:09:48 +0100 |
| commit | bb92d19983a4b54be3e3b83441a8076d92cd04bc (patch) | |
| tree | e53601fab3727ec69137d67729fdf73414182aba /include/uapi | |
| parent | 66d575705154525c33ab99b5f9ac2d246c348db6 (diff) | |
| download | linux-bb92d19983a4b54be3e3b83441a8076d92cd04bc.tar.bz2 | |
nl80211: add packet offset information for wowlan pattern
If user knows the location of a wowlan pattern to be matched in
Rx packet, he can provide an offset with the pattern. This will
help drivers to ignore initial bytes and match the pattern
efficiently.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
[refactor pattern sending]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/nl80211.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index b23321154e8b..eb7b32247ec5 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -2910,6 +2910,8 @@ enum nl80211_tx_power_setting { * Note that the pattern matching is done as though frames were not * 802.11 frames but 802.3 frames, i.e. the frame is fully unpacked * first (including SNAP header unpacking) and then matched. + * @NL80211_WOWLAN_PKTPAT_OFFSET: packet offset, pattern is matched after + * these fixed number of bytes of received packet * @NUM_NL80211_WOWLAN_PKTPAT: number of attributes * @MAX_NL80211_WOWLAN_PKTPAT: max attribute number */ @@ -2917,6 +2919,7 @@ enum nl80211_wowlan_packet_pattern_attr { __NL80211_WOWLAN_PKTPAT_INVALID, NL80211_WOWLAN_PKTPAT_MASK, NL80211_WOWLAN_PKTPAT_PATTERN, + NL80211_WOWLAN_PKTPAT_OFFSET, NUM_NL80211_WOWLAN_PKTPAT, MAX_NL80211_WOWLAN_PKTPAT = NUM_NL80211_WOWLAN_PKTPAT - 1, @@ -2927,6 +2930,7 @@ enum nl80211_wowlan_packet_pattern_attr { * @max_patterns: maximum number of patterns supported * @min_pattern_len: minimum length of each pattern * @max_pattern_len: maximum length of each pattern + * @max_pkt_offset: maximum Rx packet offset * * This struct is carried in %NL80211_WOWLAN_TRIG_PKT_PATTERN when * that is part of %NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED in the @@ -2936,6 +2940,7 @@ struct nl80211_wowlan_pattern_support { __u32 max_patterns; __u32 min_pattern_len; __u32 max_pattern_len; + __u32 max_pkt_offset; } __attribute__((packed)); /** @@ -2951,9 +2956,10 @@ struct nl80211_wowlan_pattern_support { * @NL80211_WOWLAN_TRIG_PKT_PATTERN: wake up on the specified packet patterns * which are passed in an array of nested attributes, each nested attribute * defining a with attributes from &struct nl80211_wowlan_trig_pkt_pattern. - * Each pattern defines a wakeup packet. The matching is done on the MSDU, - * i.e. as though the packet was an 802.3 packet, so the pattern matching - * is done after the packet is converted to the MSDU. + * Each pattern defines a wakeup packet. Packet offset is associated with + * each pattern which is used while matching the pattern. The matching is + * done on the MSDU, i.e. as though the packet was an 802.3 packet, so the + * pattern matching is done after the packet is converted to the MSDU. * * In %NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED, it is a binary attribute * carrying a &struct nl80211_wowlan_pattern_support. |