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From: Miri Korenblit <miriam.rachel.korenblit@intel.com>
To: johannes@sipsolutions.net
Cc: linux-wireless@vger.kernel.org,
	Mordechay Goodstein <mordechay.goodstein@intel.com>,
	Johannes Berg <johannes.berg@intel.com>
Subject: [PATCH 08/14] wifi: iwlwifi: mvm: set properly mac header
Date: Fri, 10 May 2024 17:06:35 +0300
Message-Id: <20240510170500.12f2de2909c3.I72a819b96f2fe55bde192a8fd31a4b96c301aa73@changeid>
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From: Mordechay Goodstein <mordechay.goodstein@intel.com>

In the driver we only use skb_put* for adding data to the skb, hence data
never moves and skb_reset_mac_haeder would set mac_header to the first
time data was added and not to mac80211 header, fix this my using the
actual len of bytes added for setting the mac header.

Fixes: 3f7a9d577d47 ("wifi: iwlwifi: mvm: simplify by using SKB MAC header pointer")
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 8bbef4454399..98a4f6fb3f03 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -2451,8 +2451,11 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi,
 	 *
 	 * We mark it as mac header, for upper layers to know where
 	 * all radio tap header ends.
+	 *
+	 * Since data doesn't move data while putting data on skb and that is
+	 * the only way we use, data + len is the next place that hdr would be put
 	 */
-	skb_reset_mac_header(skb);
+	skb_set_mac_header(skb, skb->len);
 
 	/*
 	 * Override the nss from the rx_vec since the rate_n_flags has
-- 
2.34.1