wifi: ath10k: Use IEEE80211_SEQ_TO_SN() for seq_ctrl conversion

Use IEEE80211_SEQ_TO_SN() macro to convert seq_ctrl to sn for better
readability.

Signed-off-by: Zhi-Jun You <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: castiel652

drivers/net/wireless/ath/ath10k/htt_rx.c

@@ -1379,7 +1379,7 @@ static void ath10k_process_rx(struct ath10k *ar, struct sk_buff *skb)
 		   ath10k_get_tid(hdr, tid, sizeof(tid)),
 		   is_multicast_ether_addr(ieee80211_get_DA(hdr)) ?
 							"mcast" : "ucast",
-		   (__le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4,
+		   IEEE80211_SEQ_TO_SN(__le16_to_cpu(hdr->seq_ctrl)),
 		   (status->encoding == RX_ENC_LEGACY) ? "legacy" : "",
 		   (status->encoding == RX_ENC_HT) ? "ht" : "",
 		   (status->encoding == RX_ENC_VHT) ? "vht" : "",
@@ -1902,7 +1902,7 @@ static bool ath10k_htt_rx_h_frag_pn_check(struct ath10k *ar,
 	last_pn = &peer->frag_tids_last_pn[tid];
 	new_pn.pn48 = ath10k_htt_rx_h_get_pn(ar, skb, offset, enctype);
 	frag_number = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
-	seq = (__le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
+	seq = IEEE80211_SEQ_TO_SN(__le16_to_cpu(hdr->seq_ctrl));
 
 	if (frag_number == 0) {
 		last_pn->pn48 = new_pn.pn48;
@@ -2824,7 +2824,7 @@ static bool ath10k_htt_rx_proc_rx_frag_ind_hl(struct ath10k_htt *htt,
 
 	hdr_space = ieee80211_hdrlen(hdr->frame_control);
 	sc = __le16_to_cpu(hdr->seq_ctrl);
-	seq = (sc & IEEE80211_SCTL_SEQ) >> 4;
+	seq = IEEE80211_SEQ_TO_SN(sc);
 	frag = sc & IEEE80211_SCTL_FRAG;
 
 	sec_index = MS(rx_desc_info, HTT_RX_DESC_HL_INFO_MCAST_BCAST) ?