[MAC80211]: allow drivers to indicate failed FCS/PLCP checksum

This patch allows drivers to indicate bad FCS/PLCP CRC to the stack and
have the stack drop packets like that except for monitor interfaces.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 947f3c820e..7d9dc20ee4 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -235,6 +235,10 @@ struct ieee80211_tx_control {
  * @RX_FLAG_IV_STRIPPED: The IV/ICV are stripped from this frame.
  *      If this flag is set, the stack cannot do any replay detection
  *      hence the driver or hardware will have to do that.
+ * @RX_FLAG_FAILED_FCS_CRC: Set this flag if the FCS check failed on
+ *      the frame.
+ * @RX_FLAG_FAILED_PLCP_CRC: Set this flag if the PCLP check failed on
+ *      the frame.
  */
 enum mac80211_rx_flags {
         RX_FLAG_MMIC_ERROR      = 1<<0,
@@ -242,6 +246,8 @@ enum mac80211_rx_flags {
         RX_FLAG_RADIOTAP        = 1<<2,
         RX_FLAG_MMIC_STRIPPED   = 1<<3,
         RX_FLAG_IV_STRIPPED     = 1<<4,
+        RX_FLAG_FAILED_FCS_CRC  = 1<<5,
+        RX_FLAG_FAILED_PLCP_CRC = 1<<6,
 };
 
 /**