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2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29 
 kernel/drivers/net/wireless/ath/wil6210/rx_reorder.c
....@@ -1,18 +1,7 @@
1
+// SPDX-License-Identifier: ISC
12 /*
23  * Copyright (c) 2014-2017 Qualcomm Atheros, Inc.
3
- * Copyright (c) 2018, The Linux Foundation. All rights reserved.
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- *
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- * Permission to use, copy, modify, and/or distribute this software for any
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- * purpose with or without fee is hereby granted, provided that the above
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- * copyright notice and this permission notice appear in all copies.
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- *
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- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
4
+ * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
165  */
176 
187 #include "wil6210.h"
....@@ -260,7 +249,6 @@
260249 	r->reorder_buf =
261250 		kcalloc(size, sizeof(struct sk_buff *), GFP_KERNEL);
262251 	if (!r->reorder_buf) {
263
-		kfree(r->reorder_buf);
264252 		kfree(r);
265253 		return NULL;
266254 	}
....@@ -307,8 +295,8 @@
307295 }
308296 
309297 /* Block Ack - Rx side (recipient) */
310
-int wil_addba_rx_request(struct wil6210_priv *wil, u8 mid,
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-			 u8 cidxtid, u8 dialog_token, __le16 ba_param_set,
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+int wil_addba_rx_request(struct wil6210_priv *wil, u8 mid, u8 cid, u8 tid,
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+			 u8 dialog_token, __le16 ba_param_set,
312300 			 __le16 ba_timeout, __le16 ba_seq_ctrl)
313301 __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
314302 {
....@@ -316,8 +304,7 @@
316304 	u16 agg_timeout = le16_to_cpu(ba_timeout);
317305 	u16 seq_ctrl = le16_to_cpu(ba_seq_ctrl);
318306 	struct wil_sta_info *sta;
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-	u8 cid, tid;
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-	u16 agg_wsize = 0;
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+	u16 agg_wsize;
321308 	/* bit 0: A-MSDU supported
322309 	 * bit 1: policy (should be 0 for us)
323310 	 * bits 2..5: TID
....@@ -329,16 +316,14 @@
329316 		test_bit(WMI_FW_CAPABILITY_AMSDU, wil->fw_capabilities) &&
330317 		wil->amsdu_en && (param_set & BIT(0));
331318 	int ba_policy = param_set & BIT(1);
332
-	u16 status = WLAN_STATUS_SUCCESS;
333319 	u16 ssn = seq_ctrl >> 4;
334320 	struct wil_tid_ampdu_rx *r;
335321 	int rc = 0;
336322 
337323 	might_sleep();
338
-	parse_cidxtid(cidxtid, &cid, &tid);
339324 
340325 	/* sanity checks */
341
-	if (cid >= WIL6210_MAX_CID) {
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+	if (cid >= wil->max_assoc_sta) {
342327 		wil_err(wil, "BACK: invalid CID %d\n", cid);
343328 		rc = -EINVAL;
344329 		goto out;
....@@ -357,36 +342,30 @@
357342 		    agg_amsdu ? "+" : "-", !!ba_policy, dialog_token, ssn);
358343 
359344 	/* apply policies */
360
-	if (ba_policy) {
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-		wil_err(wil, "BACK requested unsupported ba_policy == 1\n");
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-		status = WLAN_STATUS_INVALID_QOS_PARAM;
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-	}
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-	if (status == WLAN_STATUS_SUCCESS) {
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-		if (req_agg_wsize == 0) {
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-			wil_dbg_misc(wil, "Suggest BACK wsize %d\n",
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-				     wil->max_agg_wsize);
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-			agg_wsize = wil->max_agg_wsize;
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-		} else {
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-			agg_wsize = min_t(u16,
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-					  wil->max_agg_wsize, req_agg_wsize);
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-		}
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+	if (req_agg_wsize == 0) {
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+		wil_dbg_misc(wil, "Suggest BACK wsize %d\n",
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+			     wil->max_agg_wsize);
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+		agg_wsize = wil->max_agg_wsize;
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+	} else {
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+		agg_wsize = min_t(u16, wil->max_agg_wsize, req_agg_wsize);
373351 	}
374352 
375353 	rc = wil->txrx_ops.wmi_addba_rx_resp(wil, mid, cid, tid, dialog_token,
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-					     status, agg_amsdu, agg_wsize,
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-					     agg_timeout);
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-	if (rc || (status != WLAN_STATUS_SUCCESS)) {
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-		wil_err(wil, "do not apply ba, rc(%d), status(%d)\n", rc,
380
-			status);
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+					     WLAN_STATUS_SUCCESS, agg_amsdu,
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+					     agg_wsize, agg_timeout);
356
+	if (rc) {
357
+		wil_err(wil, "do not apply ba, rc(%d)\n", rc);
381358 		goto out;
382359 	}
383360 
384361 	/* apply */
385
-	r = wil_tid_ampdu_rx_alloc(wil, agg_wsize, ssn);
386
-	spin_lock_bh(&sta->tid_rx_lock);
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-	wil_tid_ampdu_rx_free(wil, sta->tid_rx[tid]);
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-	sta->tid_rx[tid] = r;
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-	spin_unlock_bh(&sta->tid_rx_lock);
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+	if (!wil->use_rx_hw_reordering) {
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+		r = wil_tid_ampdu_rx_alloc(wil, agg_wsize, ssn);
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+		spin_lock_bh(&sta->tid_rx_lock);
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+		wil_tid_ampdu_rx_free(wil, sta->tid_rx[tid]);
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+		sta->tid_rx[tid] = r;
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+		spin_unlock_bh(&sta->tid_rx_lock);
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+	}
390369 
391370 out:
392371 	return rc;