wifi: iwlwifi: mvm: log dropped frames

When we drop frames we want to have something printed in the logger.
This won't be printed by default of course.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.c2f02fecf66f.Ib472f9fd92856c6e5b5a99b68fdca0f694a531e9@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c

@@ -376,8 +376,10 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 	 */
 	if (phy_info & IWL_RX_MPDU_PHY_AMPDU &&
 	    (status & IWL_RX_MPDU_STATUS_SEC_MASK) ==
-	    IWL_RX_MPDU_STATUS_SEC_UNKNOWN && !mvm->monitor_on)
+	    IWL_RX_MPDU_STATUS_SEC_UNKNOWN && !mvm->monitor_on) {
+		IWL_DEBUG_DROP(mvm, "Dropping packets, bad enc status\n");
 		return -1;
+	}
 
 	if (unlikely(ieee80211_is_mgmt(hdr->frame_control) &&
 		     !ieee80211_has_protected(hdr->frame_control)))
@@ -2562,6 +2564,8 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
 			iwl_mvm_rx_csum(mvm, sta, skb, pkt);
 
 		if (iwl_mvm_is_dup(sta, queue, rx_status, hdr, desc)) {
+			IWL_DEBUG_DROP(mvm, "Dropping duplicate packet 0x%x\n",
+				       le16_to_cpu(hdr->seq_ctrl));
 			kfree_skb(skb);
 			goto out;
 		}