diff mbox series

[03/21] wifi: mac80211: clear all bits that relate rtap fields on skb

Message ID 20230223114629.84f758b22d62.Ie17a35864d2e120f9858516a2e3d3047d83cf805@changeid (mailing list archive)
State Superseded
Delegated to: Johannes Berg
Headers show
Series cfg80211/mac80211 patches from our internal tree 2023-02-21 | expand

Commit Message

Greenman, Gregory Feb. 23, 2023, 10:09 a.m. UTC 
From: Mordechay Goodstein <mordechay.goodstein@intel.com>

Since we remove radiotap from skb data, clear all RX_FLAG_X related
info that indicate info on the skb data.

Also we need to do it only once so remove the clear from cooked_monitor.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
---
 net/mac80211/rx.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f7fdfe710951..f131df282d0b 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -43,6 +43,7 @@  static struct sk_buff *ieee80211_clean_skb(struct sk_buff *skb,
 					   unsigned int present_fcs_len,
 					   unsigned int rtap_space)
 {
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 	struct ieee80211_hdr *hdr;
 	unsigned int hdrlen;
 	__le16 fc;
@@ -51,6 +52,14 @@  static struct sk_buff *ieee80211_clean_skb(struct sk_buff *skb,
 		__pskb_trim(skb, skb->len - present_fcs_len);
 	pskb_pull(skb, rtap_space);
 
+	/* After pulling radiotap header, clear all flags that indicate
+	 * info on skb->data.
+	 */
+	status->flag &= ~(RX_FLAG_RADIOTAP_VENDOR_DATA |
+			  RX_FLAG_RADIOTAP_LSIG |
+			  RX_FLAG_RADIOTAP_HE_MU |
+			  RX_FLAG_RADIOTAP_HE);
+
 	hdr = (void *)skb->data;
 	fc = hdr->frame_control;
 
@@ -3916,8 +3925,6 @@  static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
 	if (!local->cooked_mntrs)
 		goto out_free_skb;
 
-	/* vendor data is long removed here */
-	status->flag &= ~RX_FLAG_RADIOTAP_VENDOR_DATA;
 	/* room for the radiotap header based on driver features */
 	needed_headroom = ieee80211_rx_radiotap_hdrlen(local, status, skb);