71 	u32 gap;  in sctp_tsnmap_check()  local
84 	gap = tsn - map->base_tsn;  in sctp_tsnmap_check()
87 	if (gap < map->len && test_bit(gap, map->tsn_map))  in sctp_tsnmap_check()
98 	u16 gap;  in sctp_tsnmap_mark()  local
103 	gap = tsn - map->base_tsn;  in sctp_tsnmap_mark()
105 	if (gap >= map->len && !sctp_tsnmap_grow(map, gap + 1))  in sctp_tsnmap_mark()
108 	if (!sctp_tsnmap_has_gap(map) && gap == 0) {  in sctp_tsnmap_mark()
120 		/* Either we already have a gap, or about to record a gap, so  in sctp_tsnmap_mark()
129 		set_bit(gap, map->tsn_map);  in sctp_tsnmap_mark()
141 /* Initialize a Gap Ack Block iterator from memory being provided.  */
149 /* Get the next Gap Ack Blocks. Returns 0 if there was not another block
159 	/* If there are no more gap acks possible, get out fast.  */  in sctp_tsnmap_next_gap_ack()
167 	/* The Gap Ack Block happens to end at the end of the map. */  in sctp_tsnmap_next_gap_ack()
171 	/* If we found a Gap Ack Block, return the start and end and  in sctp_tsnmap_next_gap_ack()
192 	u32 gap;  in sctp_tsnmap_skip()  local
203 	gap = tsn - map->base_tsn + 1;  in sctp_tsnmap_skip()
205 	map->base_tsn += gap;  in sctp_tsnmap_skip()
206 	map->cumulative_tsn_ack_point += gap;  in sctp_tsnmap_skip()
207 	if (gap >= map->len) {  in sctp_tsnmap_skip()
208 		/* If our gap is larger then the map size, just  in sctp_tsnmap_skip()
213 		/* If the gap is smaller than the map size,  in sctp_tsnmap_skip()
214 		 * shift the map by 'gap' bits and update further.  in sctp_tsnmap_skip()
216 		bitmap_shift_right(map->tsn_map, map->tsn_map, gap, map->len);  in sctp_tsnmap_skip()
253 	u32 gap;  in sctp_tsnmap_pending()  local
256 	gap = max_tsn - base_tsn;  in sctp_tsnmap_pending()
258 	if (gap == 0 || gap >= map->len)  in sctp_tsnmap_pending()
261 	pending_data -= bitmap_weight(map->tsn_map, gap + 1);  in sctp_tsnmap_pending()
266 /* This is a private helper for finding Gap Ack Blocks.  It searches a
267  * single array for the start and end of a Gap Ack Block.
270  * or (respectively) the end of a Gap Ack Block.
278 	 * early if we have found the end of the Gap Ack Block.  in sctp_tsnmap_find_gap_ack()
302 	u32 gap;  in sctp_tsnmap_renege()  local
310 	gap = tsn - map->base_tsn;  in sctp_tsnmap_renege()
313 	clear_bit(gap, map->tsn_map);  in sctp_tsnmap_renege()
316 /* How many gap ack blocks do we have recorded? */
323 	/* Refresh the gap ack information. */  in sctp_tsnmap_num_gabs()