129 	u8			feat_num;		/* DCCPF_xxx */  member
170 static int dccp_feat_index(u8 feat_num)  in dccp_feat_index()  argument
173 	if (feat_num > DCCPF_RESERVED && feat_num <= DCCPF_DATA_CHECKSUM)  in dccp_feat_index()
174 		return feat_num - 1;  in dccp_feat_index()
180 	switch (feat_num) {  in dccp_feat_index()
187 static u8 dccp_feat_type(u8 feat_num)  in dccp_feat_type()  argument
189 	int idx = dccp_feat_index(feat_num);  in dccp_feat_type()
196 static int dccp_feat_default_value(u8 feat_num)  in dccp_feat_default_value()  argument
198 	int idx = dccp_feat_index(feat_num);  in dccp_feat_default_value()
252 static void dccp_feat_printval(u8 feat_num, dccp_feat_val const *val)  in dccp_feat_printval()  argument
254 	u8 i, type = dccp_feat_type(feat_num);  in dccp_feat_printval()
267 static void dccp_feat_printvals(u8 feat_num, u8 *list, u8 len)  in dccp_feat_printvals()  argument
269 	u8 type = dccp_feat_type(feat_num);  in dccp_feat_printvals()
274 	dccp_feat_printval(feat_num, &fval);  in dccp_feat_printvals()
280 				    dccp_feat_fname(entry->feat_num));  in dccp_feat_print_entry()
281 	dccp_feat_printval(entry->feat_num, &entry->val);  in dccp_feat_print_entry()
336 		   dccp_feat_fname(dccp_feat_table[idx].feat_num),  in __dccp_feat_activate()
351 static int dccp_feat_activate(struct sock *sk, u8 feat_num, bool local,  in dccp_feat_activate()  argument
354 	return __dccp_feat_activate(sk, dccp_feat_index(feat_num), local, fval);  in dccp_feat_activate()
358 static inline int dccp_feat_must_be_understood(u8 feat_num)  in dccp_feat_must_be_understood()  argument
360 	return	feat_num == DCCPF_CCID || feat_num == DCCPF_SHORT_SEQNOS ||  in dccp_feat_must_be_understood()
361 		feat_num == DCCPF_SEQUENCE_WINDOW;  in dccp_feat_must_be_understood()
378 static void dccp_feat_val_destructor(u8 feat_num, dccp_feat_val *val)  in dccp_feat_val_destructor()  argument
382 	if (dccp_feat_type(feat_num) == FEAT_SP)  in dccp_feat_val_destructor()
391 	u8 type = dccp_feat_type(original->feat_num);  in dccp_feat_clone_entry()
412 		dccp_feat_val_destructor(entry->feat_num, &entry->val);  in dccp_feat_entry_destructor()
427 						     u8 feat_num, bool is_local)  in dccp_feat_list_lookup()  argument
432 		if (entry->feat_num == feat_num && entry->is_local == is_local)  in dccp_feat_list_lookup()
434 		else if (entry->feat_num > feat_num)  in dccp_feat_list_lookup()
454 		if (entry->feat_num == feat && entry->is_local == local) {  in dccp_feat_entry_new()
455 			dccp_feat_val_destructor(entry->feat_num, &entry->val);  in dccp_feat_entry_new()
457 		} else if (entry->feat_num > feat) {  in dccp_feat_entry_new()
464 		entry->feat_num = feat;  in dccp_feat_entry_new()
487 	new->feat_num	     = feat;  in dccp_feat_push_change()
515 	new->feat_num	     = feat;  in dccp_feat_push_confirm()
573 static u8 dccp_feat_valid_nn_length(u8 feat_num)  in dccp_feat_valid_nn_length()  argument
575 	if (feat_num == DCCPF_ACK_RATIO)	/* RFC 4340, 11.3 and 6.6.8 */  in dccp_feat_valid_nn_length()
577 	if (feat_num == DCCPF_SEQUENCE_WINDOW)	/* RFC 4340, 7.5.2 and 6.5  */  in dccp_feat_valid_nn_length()
582 static u8 dccp_feat_is_valid_nn_val(u8 feat_num, u64 val)  in dccp_feat_is_valid_nn_val()  argument
584 	switch (feat_num) {  in dccp_feat_is_valid_nn_val()
594 static u8 dccp_feat_is_valid_sp_val(u8 feat_num, u8 val)  in dccp_feat_is_valid_sp_val()  argument
596 	switch (feat_num) {  in dccp_feat_is_valid_sp_val()
613 static u8 dccp_feat_sp_list_ok(u8 feat_num, u8 const *sp_list, u8 sp_len)  in dccp_feat_sp_list_ok()  argument
618 		if (!dccp_feat_is_valid_sp_val(feat_num, *sp_list++))  in dccp_feat_sp_list_ok()
640 		type = dccp_feat_type(pos->feat_num);  in dccp_feat_insert_opts()
652 				len = dccp_feat_valid_nn_length(pos->feat_num);  in dccp_feat_insert_opts()
656 				DCCP_BUG("unknown feature %u", pos->feat_num);  in dccp_feat_insert_opts()
660 		dccp_feat_print_opt(opt, pos->feat_num, ptr, len, 0);  in dccp_feat_insert_opts()
662 		if (dccp_insert_fn_opt(skb, opt, pos->feat_num, ptr, len, rpt))  in dccp_feat_insert_opts()
984 		if (entry->feat_num == DCCPF_CCID && entry->val.sp.len == 1)  in dccp_feat_finalise_settings()
1515 		idx = dccp_feat_index(cur->feat_num);  in dccp_feat_activate_values()
1517 			DCCP_BUG("Unknown feature %u", cur->feat_num);  in dccp_feat_activate_values()
1523 				  dccp_feat_fname(cur->feat_num),  in dccp_feat_activate_values()