28 static inline int reorder_index(struct wil_tid_ampdu_rx *r, u16 seq)  in reorder_index()  argument
30 	return seq_sub(seq, r->ssn) % r->buf_size;  in reorder_index()
34 				      struct wil_tid_ampdu_rx *r,  in wil_release_reorder_frame()  argument
37 	struct sk_buff *skb = r->reorder_buf[index];  in wil_release_reorder_frame()
43 	r->stored_mpdu_num--;  in wil_release_reorder_frame()
44 	r->reorder_buf[index] = NULL;  in wil_release_reorder_frame()
48 	r->head_seq_num = seq_inc(r->head_seq_num);  in wil_release_reorder_frame()
52 				       struct wil_tid_ampdu_rx *r,  in wil_release_reorder_frames()  argument
58 	 * hseq preceding r->head_seq_num, i.e it is always true  in wil_release_reorder_frames()
59 	 * !seq_less(hseq, r->head_seq_num)  in wil_release_reorder_frames()
61 	 * r->head_seq_num == hseq  in wil_release_reorder_frames()
63 	while (seq_less(r->head_seq_num, hseq) && r->stored_mpdu_num) {  in wil_release_reorder_frames()
64 		index = reorder_index(r, r->head_seq_num);  in wil_release_reorder_frames()
65 		wil_release_reorder_frame(ndev, r, index);  in wil_release_reorder_frames()
67 	r->head_seq_num = hseq;  in wil_release_reorder_frames()
71 				struct wil_tid_ampdu_rx *r)  in wil_reorder_release()  argument
73 	int index = reorder_index(r, r->head_seq_num);  in wil_reorder_release()
75 	while (r->reorder_buf[index]) {  in wil_reorder_release()
76 		wil_release_reorder_frame(ndev, r, index);  in wil_reorder_release()
77 		index = reorder_index(r, r->head_seq_num);  in wil_reorder_release()
90 	struct wil_tid_ampdu_rx *r;  in wil_rx_reorder()  local
111 	r = sta->tid_rx[tid];  in wil_rx_reorder()
112 	if (!r) {  in wil_rx_reorder()
118 		if (retry && seq == r->mcast_last_seq) {  in wil_rx_reorder()
119 			r->drop_dup_mcast++;  in wil_rx_reorder()
125 		r->mcast_last_seq = seq;  in wil_rx_reorder()
130 	r->total++;  in wil_rx_reorder()
131 	hseq = r->head_seq_num;  in wil_rx_reorder()
141 	if (r->first_time) {  in wil_rx_reorder()
142 		r->first_time = false;  in wil_rx_reorder()
143 		if (seq != r->head_seq_num) {  in wil_rx_reorder()
144 			if (seq_less(seq, r->head_seq_num)) {  in wil_rx_reorder()
147 					seq, r->head_seq_num);  in wil_rx_reorder()
148 				r->first_time = true;  in wil_rx_reorder()
154 				seq, r->head_seq_num);  in wil_rx_reorder()
155 			r->head_seq_num = seq;  in wil_rx_reorder()
156 			r->ssn = seq;  in wil_rx_reorder()
161 	if (seq_less(seq, r->head_seq_num)) {  in wil_rx_reorder()
162 		r->ssn_last_drop = seq;  in wil_rx_reorder()
163 		r->drop_old++;  in wil_rx_reorder()
165 			     seq, r->head_seq_num);  in wil_rx_reorder()
174 	if (!seq_less(seq, r->head_seq_num + r->buf_size)) {  in wil_rx_reorder()
175 		hseq = seq_inc(seq_sub(seq, r->buf_size));  in wil_rx_reorder()
177 		wil_release_reorder_frames(ndev, r, hseq);  in wil_rx_reorder()
182 	index = reorder_index(r, seq);  in wil_rx_reorder()
185 	if (r->reorder_buf[index]) {  in wil_rx_reorder()
186 		r->drop_dup++;  in wil_rx_reorder()
198 	if (seq == r->head_seq_num && r->stored_mpdu_num == 0) {  in wil_rx_reorder()
199 		r->head_seq_num = seq_inc(r->head_seq_num);  in wil_rx_reorder()
205 	r->reorder_buf[index] = skb;  in wil_rx_reorder()
206 	r->stored_mpdu_num++;  in wil_rx_reorder()
207 	wil_reorder_release(ndev, r);  in wil_rx_reorder()
219 	struct wil_tid_ampdu_rx *r;  in wil_rx_bar()  local
223 	r = sta->tid_rx[tid];  in wil_rx_bar()
224 	if (!r) {  in wil_rx_bar()
228 	if (seq_less(seq, r->head_seq_num)) {  in wil_rx_bar()
230 			seq, r->head_seq_num);  in wil_rx_bar()
234 		     cid, vif->mid, tid, seq, r->head_seq_num);  in wil_rx_bar()
235 	wil_release_reorder_frames(ndev, r, seq);  in wil_rx_bar()
244 	struct wil_tid_ampdu_rx *r = kzalloc(sizeof(*r), GFP_KERNEL);  in wil_tid_ampdu_rx_alloc()  local
246 	if (!r)  in wil_tid_ampdu_rx_alloc()
249 	r->reorder_buf =  in wil_tid_ampdu_rx_alloc()
251 	if (!r->reorder_buf) {  in wil_tid_ampdu_rx_alloc()
252 		kfree(r);  in wil_tid_ampdu_rx_alloc()
256 	r->ssn = ssn;  in wil_tid_ampdu_rx_alloc()
257 	r->head_seq_num = ssn;  in wil_tid_ampdu_rx_alloc()
258 	r->buf_size = size;  in wil_tid_ampdu_rx_alloc()
259 	r->stored_mpdu_num = 0;  in wil_tid_ampdu_rx_alloc()
260 	r->first_time = true;  in wil_tid_ampdu_rx_alloc()
261 	r->mcast_last_seq = U16_MAX;  in wil_tid_ampdu_rx_alloc()
262 	return r;  in wil_tid_ampdu_rx_alloc()
266 			   struct wil_tid_ampdu_rx *r)  in wil_tid_ampdu_rx_free()  argument
270 	if (!r)  in wil_tid_ampdu_rx_free()
278 	for (i = 0; i < r->buf_size; i++)  in wil_tid_ampdu_rx_free()
279 		kfree_skb(r->reorder_buf[i]);  in wil_tid_ampdu_rx_free()
281 	kfree(r->reorder_buf);  in wil_tid_ampdu_rx_free()
282 	kfree(r);  in wil_tid_ampdu_rx_free()
320 	struct wil_tid_ampdu_rx *r;  in wil_addba_rx_request()  local
363 		r = wil_tid_ampdu_rx_alloc(wil, agg_wsize, ssn);  in wil_addba_rx_request()
366 		sta->tid_rx[tid] = r;  in wil_addba_rx_request()