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From: John Crispin <john@phrozen.org>
To: Kalle Valo <kvalo@codeaurora.org>
Cc: Shashidhar Lakkavalli <slakkavalli@datto.com>,
	ath11k@lists.infradead.org, John Crispin <john@phrozen.org>
Subject: [PATCH] ath11k: add RX stats support for radiotap
Date: Thu, 18 Jul 2019 07:48:37 +0200	[thread overview]
Message-ID: <20190718054837.32756-1-john@phrozen.org> (raw)

mac80211 expects the definition of what HE rate info is available inside a
struct prepended to the skb.

Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: John Crispin <john@phrozen.org>
---
 drivers/net/wireless/ath/ath11k/dp_rx.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index 686b14044938..dcbc46b52493 100644
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -2038,11 +2038,21 @@ static char *ath11k_print_get_tid(struct ieee80211_hdr *hdr, char *out,
 static void ath11k_dp_rx_deliver_msdu(struct ath11k *ar, struct napi_struct *napi,
 				      struct sk_buff *msdu)
 {
+	static const struct ieee80211_radiotap_he known = {
+		.data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN),
+		.data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN),
+	};
 	struct ieee80211_rx_status *status;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)msdu->data;
+	struct ieee80211_radiotap_he *he = NULL;
 	char tid[32];
 
 	status = IEEE80211_SKB_RXCB(msdu);
+	if (status->encoding == RX_ENC_HE) {
+		he = skb_push(msdu, sizeof(known));
+		memcpy(he, &known, sizeof(known));
+		status->flag |= RX_FLAG_RADIOTAP_HE;
+	}
 
 	ath11k_dbg(ar->ab, ATH11K_DBG_DATA,
 		   "rx skb %pK len %u peer %pM %s %s sn %u %s%s%s%s%s%s%s %srate_idx %u vht_nss %u freq %u band %u flag 0x%x fcs-err %i mic-err %i amsdu-more %i\n",
-- 
2.20.1


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             reply	other threads:[~2019-07-18  5:48 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-18  5:48 John Crispin [this message]
2019-07-31 15:04 ` [PATCH] ath11k: add RX stats support for radiotap Kalle Valo

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