134 	u8			feat_num;		/* DCCPF_xxx */  member
175 static int dccp_feat_index(u8 feat_num)  in dccp_feat_index()  argument
178 	if (feat_num > DCCPF_RESERVED && feat_num <= DCCPF_DATA_CHECKSUM)  in dccp_feat_index()
179 		return feat_num - 1;  in dccp_feat_index()
185 	switch (feat_num) {  in dccp_feat_index()
192 static u8 dccp_feat_type(u8 feat_num)  in dccp_feat_type()  argument
194 	int idx = dccp_feat_index(feat_num);  in dccp_feat_type()
201 static int dccp_feat_default_value(u8 feat_num)  in dccp_feat_default_value()  argument
203 	int idx = dccp_feat_index(feat_num);  in dccp_feat_default_value()
257 static void dccp_feat_printval(u8 feat_num, dccp_feat_val const *val)  in dccp_feat_printval()  argument
259 	u8 i, type = dccp_feat_type(feat_num);  in dccp_feat_printval()
272 static void dccp_feat_printvals(u8 feat_num, u8 *list, u8 len)  in dccp_feat_printvals()  argument
274 	u8 type = dccp_feat_type(feat_num);  in dccp_feat_printvals()
279 	dccp_feat_printval(feat_num, &fval);  in dccp_feat_printvals()
285 				    dccp_feat_fname(entry->feat_num));  in dccp_feat_print_entry()
286 	dccp_feat_printval(entry->feat_num, &entry->val);  in dccp_feat_print_entry()
341 		   dccp_feat_fname(dccp_feat_table[idx].feat_num),  in __dccp_feat_activate()
356 static int dccp_feat_activate(struct sock *sk, u8 feat_num, bool local,  in dccp_feat_activate()  argument
359 	return __dccp_feat_activate(sk, dccp_feat_index(feat_num), local, fval);  in dccp_feat_activate()
363 static inline int dccp_feat_must_be_understood(u8 feat_num)  in dccp_feat_must_be_understood()  argument
365 	return	feat_num == DCCPF_CCID || feat_num == DCCPF_SHORT_SEQNOS ||  in dccp_feat_must_be_understood()
366 		feat_num == DCCPF_SEQUENCE_WINDOW;  in dccp_feat_must_be_understood()
383 static void dccp_feat_val_destructor(u8 feat_num, dccp_feat_val *val)  in dccp_feat_val_destructor()  argument
387 	if (dccp_feat_type(feat_num) == FEAT_SP)  in dccp_feat_val_destructor()
396 	u8 type = dccp_feat_type(original->feat_num);  in dccp_feat_clone_entry()
417 		dccp_feat_val_destructor(entry->feat_num, &entry->val);  in dccp_feat_entry_destructor()
432 						     u8 feat_num, bool is_local)  in dccp_feat_list_lookup()  argument
437 		if (entry->feat_num == feat_num && entry->is_local == is_local)  in dccp_feat_list_lookup()
439 		else if (entry->feat_num > feat_num)  in dccp_feat_list_lookup()
459 		if (entry->feat_num == feat && entry->is_local == local) {  in dccp_feat_entry_new()
460 			dccp_feat_val_destructor(entry->feat_num, &entry->val);  in dccp_feat_entry_new()
462 		} else if (entry->feat_num > feat) {  in dccp_feat_entry_new()
469 		entry->feat_num = feat;  in dccp_feat_entry_new()
492 	new->feat_num	     = feat;  in dccp_feat_push_change()
520 	new->feat_num	     = feat;  in dccp_feat_push_confirm()
578 static u8 dccp_feat_valid_nn_length(u8 feat_num)  in dccp_feat_valid_nn_length()  argument
580 	if (feat_num == DCCPF_ACK_RATIO)	/* RFC 4340, 11.3 and 6.6.8 */  in dccp_feat_valid_nn_length()
582 	if (feat_num == DCCPF_SEQUENCE_WINDOW)	/* RFC 4340, 7.5.2 and 6.5  */  in dccp_feat_valid_nn_length()
587 static u8 dccp_feat_is_valid_nn_val(u8 feat_num, u64 val)  in dccp_feat_is_valid_nn_val()  argument
589 	switch (feat_num) {  in dccp_feat_is_valid_nn_val()
599 static u8 dccp_feat_is_valid_sp_val(u8 feat_num, u8 val)  in dccp_feat_is_valid_sp_val()  argument
601 	switch (feat_num) {  in dccp_feat_is_valid_sp_val()
618 static u8 dccp_feat_sp_list_ok(u8 feat_num, u8 const *sp_list, u8 sp_len)  in dccp_feat_sp_list_ok()  argument
623 		if (!dccp_feat_is_valid_sp_val(feat_num, *sp_list++))  in dccp_feat_sp_list_ok()
645 		type = dccp_feat_type(pos->feat_num);  in dccp_feat_insert_opts()
657 				len = dccp_feat_valid_nn_length(pos->feat_num);  in dccp_feat_insert_opts()
661 				DCCP_BUG("unknown feature %u", pos->feat_num);  in dccp_feat_insert_opts()
665 		dccp_feat_print_opt(opt, pos->feat_num, ptr, len, 0);  in dccp_feat_insert_opts()
667 		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()
1512 		idx = dccp_feat_index(cur->feat_num);  in dccp_feat_activate_values()
1514 			DCCP_BUG("Unknown feature %u", cur->feat_num);  in dccp_feat_activate_values()
1520 				  dccp_feat_fname(cur->feat_num),  in dccp_feat_activate_values()