net/llc/llc_c_ev.c

52  *	@ns: sequence number of received pdu.
79 	struct llc_pdu_sn *pdu;
89 	pdu = llc_pdu_sn_hdr(skb);
90 	nr1 = LLC_I_GET_NS(pdu);
92 	pdu = llc_pdu_sn_hdr(skb);
93 	nr2 = LLC_I_GET_NS(pdu);
154 	const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
156 	return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_U(pdu) &&
157 	       LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_DISC ? 0 : 1;
162 	const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
164 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_U(pdu) &&
165 	       LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_DM ? 0 : 1;
170 	const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
172 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_U(pdu) &&
173 	       LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_FRMR ? 0 : 1;
178 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
181 	       LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
182 	       LLC_I_PF_IS_0(pdu) &&
183 	       LLC_I_GET_NS(pdu) == llc_sk(sk)->vR ? 0 : 1;
188 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
191 	       LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
192 	       LLC_I_PF_IS_1(pdu) &&
193 	       LLC_I_GET_NS(pdu) == llc_sk(sk)->vR ? 0 : 1;
199 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
201 	const u8 ns = LLC_I_GET_NS(pdu);
203 	return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
204 	       LLC_I_PF_IS_0(pdu) && ns != vr &&
211 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
213 	const u8 ns = LLC_I_GET_NS(pdu);
215 	return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
216 	       LLC_I_PF_IS_1(pdu) && ns != vr &&
223 	const struct llc_pdu_sn * pdu = llc_pdu_sn_hdr(skb);
225 	const u8 ns = LLC_I_GET_NS(pdu);
226 	const u16 rc = LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
237 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
240 	       LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
241 	       LLC_I_PF_IS_0(pdu) &&
242 	       LLC_I_GET_NS(pdu) == llc_sk(sk)->vR ? 0 : 1;
247 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
249 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
250 	       LLC_I_PF_IS_1(pdu) &&
251 	       LLC_I_GET_NS(pdu) == llc_sk(sk)->vR ? 0 : 1;
256 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
259 	       LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
260 	       LLC_I_GET_NS(pdu) == llc_sk(sk)->vR ? 0 : 1;
266 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
268 	const u8 ns = LLC_I_GET_NS(pdu);
270 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
271 	       LLC_I_PF_IS_0(pdu) && ns != vr &&
278 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
280 	const u8 ns = LLC_I_GET_NS(pdu);
282 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
283 	       LLC_I_PF_IS_1(pdu) && ns != vr &&
290 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
292 	const u8 ns = LLC_I_GET_NS(pdu);
294 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) && ns != vr &&
301 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
303 	const u8 ns = LLC_I_GET_NS(pdu);
304 	const u16 rc = LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) &&
315 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
317 	return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
318 	       LLC_S_PF_IS_0(pdu) &&
319 	       LLC_S_PDU_CMD(pdu) == LLC_2_PDU_CMD_REJ ? 0 : 1;
324 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
326 	return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
327 	       LLC_S_PF_IS_1(pdu) &&
328 	       LLC_S_PDU_CMD(pdu) == LLC_2_PDU_CMD_REJ ? 0 : 1;
333 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
335 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
336 	       LLC_S_PF_IS_0(pdu) &&
337 	       LLC_S_PDU_RSP(pdu) == LLC_2_PDU_RSP_REJ ? 0 : 1;
342 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
344 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
345 	       LLC_S_PF_IS_1(pdu) &&
346 	       LLC_S_PDU_RSP(pdu) == LLC_2_PDU_RSP_REJ ? 0 : 1;
351 	const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
353 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
354 	       LLC_S_PDU_RSP(pdu) == LLC_2_PDU_RSP_REJ ? 0 : 1;
359 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
361 	return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
362 	       LLC_S_PF_IS_0(pdu) &&
363 	       LLC_S_PDU_CMD(pdu) == LLC_2_PDU_CMD_RNR ? 0 : 1;
368 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
370 	return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
371 	       LLC_S_PF_IS_1(pdu) &&
372 	       LLC_S_PDU_CMD(pdu) == LLC_2_PDU_CMD_RNR ? 0 : 1;
377 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
379 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
380 	       LLC_S_PF_IS_0(pdu) &&
381 	       LLC_S_PDU_RSP(pdu) == LLC_2_PDU_RSP_RNR ? 0 : 1;
386 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
388 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
389 	       LLC_S_PF_IS_1(pdu) &&
390 	       LLC_S_PDU_RSP(pdu) == LLC_2_PDU_RSP_RNR ? 0 : 1;
395 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
397 	return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
398 	       LLC_S_PF_IS_0(pdu) &&
399 	       LLC_S_PDU_CMD(pdu) == LLC_2_PDU_CMD_RR ? 0 : 1;
404 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
406 	return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
407 	       LLC_S_PF_IS_1(pdu) &&
408 	       LLC_S_PDU_CMD(pdu) == LLC_2_PDU_CMD_RR ? 0 : 1;
413 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
416 	       LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
417 	       LLC_S_PF_IS_0(pdu) &&
418 	       LLC_S_PDU_RSP(pdu) == LLC_2_PDU_RSP_RR ? 0 : 1;
423 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
426 	       LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) &&
427 	       LLC_S_PF_IS_1(pdu) &&
428 	       LLC_S_PDU_RSP(pdu) == LLC_2_PDU_RSP_RR ? 0 : 1;
433 	const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
435 	return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_U(pdu) &&
436 	       LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_SABME ? 0 : 1;
441 	struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
443 	return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_U(pdu) &&
444 	       LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_UA ? 0 : 1;
450 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
452 	if (LLC_PDU_IS_CMD(pdu)) {
453 		if (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu)) {
454 			if (LLC_I_PF_IS_1(pdu))
456 		} else if (LLC_PDU_TYPE_IS_U(pdu) && LLC_U_PF_IS_1(pdu))
465 	const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
467 	if (LLC_PDU_IS_CMD(pdu)) {
468 		if (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu))
470 		else if (LLC_PDU_TYPE_IS_U(pdu))
471 			switch (LLC_U_PDU_CMD(pdu)) {
484 	const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
486 	if (LLC_PDU_IS_RSP(pdu)) {
487 		if (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu))
489 		else if (LLC_PDU_TYPE_IS_U(pdu))
490 			switch (LLC_U_PDU_RSP(pdu)) {
506 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
508 	const u8 nr = LLC_I_GET_NR(pdu);
510 	if (LLC_PDU_IS_CMD(pdu) &&
511 	    (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu)) &&
524 	const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
526 	const u8 nr = LLC_I_GET_NR(pdu);
528 	if (LLC_PDU_IS_RSP(pdu) &&
529 	    (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu)) &&