13  *	mar/20/00	Daniela Squassoni Disabling/enabling of facilities
28  * x25_parse_facilities - Parse facilities from skb into the facilities structs
31  * @facilities: Regular facilities, updated as facilities are found
32  * @dte_facs: ITU DTE facilities, updated as DTE facilities are found
33  * @vc_fac_mask: mask is updated with all facilities found
37  *   0 - Parse OK, this skb has no facilities
38  *  >0 - Parse OK, returns the length of the facilities header
41 int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,  in x25_parse_facilities()  argument
50 	 * The kernel knows which facilities were set on an incoming call but  in x25_parse_facilities()
52 	 * give userspace who read incoming call facilities 0 length to indicate  in x25_parse_facilities()
78 					facilities->reverse = p[1] & 0x81;  in x25_parse_facilities()
84 					facilities->reverse = p[1] & 0x01;  in x25_parse_facilities()
90 					facilities->reverse = p[1] & 0x80;  in x25_parse_facilities()
96 					facilities->reverse  in x25_parse_facilities()
103 				facilities->throughput = p[1];  in x25_parse_facilities()
122 				facilities->pacsize_in  = p[1];  in x25_parse_facilities()
123 				facilities->pacsize_out = p[2];  in x25_parse_facilities()
127 				facilities->winsize_in  = p[1];  in x25_parse_facilities()
128 				facilities->winsize_out = p[2];  in x25_parse_facilities()
186  *	Create a set of facilities.
189 		struct x25_facilities *facilities,  in x25_create_facilities()  argument
197 		 * Length of the facilities field in call_req or  in x25_create_facilities()
205 	if (facilities->reverse && (facil_mask & X25_MASK_REVERSE)) {  in x25_create_facilities()
207 		*p++ = facilities->reverse;  in x25_create_facilities()
210 	if (facilities->throughput && (facil_mask & X25_MASK_THROUGHPUT)) {  in x25_create_facilities()
212 		*p++ = facilities->throughput;  in x25_create_facilities()
215 	if ((facilities->pacsize_in || facilities->pacsize_out) &&  in x25_create_facilities()
218 		*p++ = facilities->pacsize_in ? : facilities->pacsize_out;  in x25_create_facilities()
219 		*p++ = facilities->pacsize_out ? : facilities->pacsize_in;  in x25_create_facilities()
222 	if ((facilities->winsize_in || facilities->winsize_out) &&  in x25_create_facilities()
225 		*p++ = facilities->winsize_in ? : facilities->winsize_out;  in x25_create_facilities()
226 		*p++ = facilities->winsize_out ? : facilities->winsize_in;  in x25_create_facilities()
261  *	Try to reach a compromise on a set of facilities.
269 	struct x25_facilities *ours = &x25->facilities;  in x25_negotiate_facilities()
333  *	Limit values of certain facilities according to the capability of the
336 void x25_limit_facilities(struct x25_facilities *facilities,  in x25_limit_facilities()  argument
341 		if (facilities->winsize_in  > 7) {  in x25_limit_facilities()
343 			facilities->winsize_in = 7;  in x25_limit_facilities()
345 		if (facilities->winsize_out > 7) {  in x25_limit_facilities()
346 			facilities->winsize_out = 7;  in x25_limit_facilities()