58 static int rfcomm_send_nsc(struct rfcomm_session *s, int cr, u8 type);
59 static int rfcomm_send_pn(struct rfcomm_session *s, int cr, struct rfcomm_dlc *d);
60 static int rfcomm_send_msc(struct rfcomm_session *s, int cr, u8 dlci, u8 v24_sig);
61 static int rfcomm_send_test(struct rfcomm_session *s, int cr, u8 *pattern, int len);
86 #define __addr(cr, dlci)       (((dlci & 0x3f) << 2) | (cr << 1) | 0x01)  argument
96 #define __mcc_type(cr, type)   (((type << 2) | (cr << 1) | 0x01))  argument
895 static int rfcomm_send_nsc(struct rfcomm_session *s, int cr, u8 type)  in rfcomm_send_nsc()  argument
901 	BT_DBG("%p cr %d type %d", s, cr, type);  in rfcomm_send_nsc()
913 	*ptr = __mcc_type(cr, type); ptr++;  in rfcomm_send_nsc()
920 static int rfcomm_send_pn(struct rfcomm_session *s, int cr, struct rfcomm_dlc *d)  in rfcomm_send_pn()  argument
927 	BT_DBG("%p cr %d dlci %d mtu %d", s, cr, d->dlci, d->mtu);  in rfcomm_send_pn()
935 	mcc->type = __mcc_type(cr, RFCOMM_PN);  in rfcomm_send_pn()
945 		pn->flow_ctrl = cr ? 0xf0 : 0xe0;  in rfcomm_send_pn()
952 	if (cr && channel_mtu >= 0)  in rfcomm_send_pn()
962 int rfcomm_send_rpn(struct rfcomm_session *s, int cr, u8 dlci,  in rfcomm_send_rpn()  argument
974 		s, cr, dlci, bit_rate, data_bits, stop_bits, parity,  in rfcomm_send_rpn()
983 	mcc->type = __mcc_type(cr, RFCOMM_RPN);  in rfcomm_send_rpn()
1000 static int rfcomm_send_rls(struct rfcomm_session *s, int cr, u8 dlci, u8 status)  in rfcomm_send_rls()  argument
1007 	BT_DBG("%p cr %d status 0x%x", s, cr, status);  in rfcomm_send_rls()
1015 	mcc->type = __mcc_type(cr, RFCOMM_RLS);  in rfcomm_send_rls()
1027 static int rfcomm_send_msc(struct rfcomm_session *s, int cr, u8 dlci, u8 v24_sig)  in rfcomm_send_msc()  argument
1034 	BT_DBG("%p cr %d v24 0x%x", s, cr, v24_sig);  in rfcomm_send_msc()
1042 	mcc->type = __mcc_type(cr, RFCOMM_MSC);  in rfcomm_send_msc()
1054 static int rfcomm_send_fcoff(struct rfcomm_session *s, int cr)  in rfcomm_send_fcoff()  argument
1060 	BT_DBG("%p cr %d", s, cr);  in rfcomm_send_fcoff()
1068 	mcc->type = __mcc_type(cr, RFCOMM_FCOFF);  in rfcomm_send_fcoff()
1076 static int rfcomm_send_fcon(struct rfcomm_session *s, int cr)  in rfcomm_send_fcon()  argument
1082 	BT_DBG("%p cr %d", s, cr);  in rfcomm_send_fcon()
1090 	mcc->type = __mcc_type(cr, RFCOMM_FCON);  in rfcomm_send_fcon()
1098 static int rfcomm_send_test(struct rfcomm_session *s, int cr, u8 *pattern, int len)  in rfcomm_send_test()  argument
1108 	BT_DBG("%p cr %d", s, cr);  in rfcomm_send_test()
1113 	hdr[3] = 0x01 | ((cr & 0x01) << 1) | (RFCOMM_TEST << 2);  in rfcomm_send_test()
1369 static int rfcomm_apply_pn(struct rfcomm_dlc *d, int cr, struct rfcomm_pn *pn)  in rfcomm_apply_pn()  argument
1392 	if (cr && d->mtu > s->mtu)  in rfcomm_apply_pn()
1398 static int rfcomm_recv_pn(struct rfcomm_session *s, int cr, struct sk_buff *skb)  in rfcomm_recv_pn()  argument
1411 		if (cr) {  in rfcomm_recv_pn()
1413 			rfcomm_apply_pn(d, cr, pn);  in rfcomm_recv_pn()
1419 				rfcomm_apply_pn(d, cr, pn);  in rfcomm_recv_pn()
1429 		if (!cr)  in rfcomm_recv_pn()
1439 			rfcomm_apply_pn(d, cr, pn);  in rfcomm_recv_pn()
1450 static int rfcomm_recv_rpn(struct rfcomm_session *s, int cr, int len, struct sk_buff *skb)  in rfcomm_recv_rpn()  argument
1465 		dlci, cr, len, rpn->bit_rate, rpn->line_settings, rpn->flow_ctrl,  in rfcomm_recv_rpn()
1468 	if (!cr)  in rfcomm_recv_rpn()
1556 static int rfcomm_recv_rls(struct rfcomm_session *s, int cr, struct sk_buff *skb)  in rfcomm_recv_rls()  argument
1561 	BT_DBG("dlci %d cr %d status 0x%x", dlci, cr, rls->status);  in rfcomm_recv_rls()
1563 	if (!cr)  in rfcomm_recv_rls()
1575 static int rfcomm_recv_msc(struct rfcomm_session *s, int cr, struct sk_buff *skb)  in rfcomm_recv_msc()  argument
1581 	BT_DBG("dlci %d cr %d v24 0x%x", dlci, cr, msc->v24_sig);  in rfcomm_recv_msc()
1587 	if (cr) {  in rfcomm_recv_msc()
1614 	u8 type, cr, len;  in rfcomm_recv_mcc()  local
1616 	cr   = __test_cr(mcc->type);  in rfcomm_recv_mcc()
1620 	BT_DBG("%p type 0x%x cr %d", s, type, cr);  in rfcomm_recv_mcc()
1626 		rfcomm_recv_pn(s, cr, skb);  in rfcomm_recv_mcc()
1630 		rfcomm_recv_rpn(s, cr, len, skb);  in rfcomm_recv_mcc()
1634 		rfcomm_recv_rls(s, cr, skb);  in rfcomm_recv_mcc()
1638 		rfcomm_recv_msc(s, cr, skb);  in rfcomm_recv_mcc()
1642 		if (cr) {  in rfcomm_recv_mcc()
1649 		if (cr) {  in rfcomm_recv_mcc()
1656 		if (cr)  in rfcomm_recv_mcc()
1665 		rfcomm_send_nsc(s, cr, type);  in rfcomm_recv_mcc()