50 /* Header set to 0x30000 signifies a data packet */
52 #define L2TPV3_DATA_PACKET 0x30000
57 #define IPPROTO_L2TP 0x73
209             *counter = 0;  in l2tpv3_form_header()
241     message.msg_controllen = 0;  in net_l2tpv3_receive_dgram_iov()
242     message.msg_flags = 0;  in net_l2tpv3_receive_dgram_iov()
243     ret = RETRY_ON_EINTR(sendmsg(s->fd, &message, 0));  in net_l2tpv3_receive_dgram_iov()
244     if (ret > 0) {  in net_l2tpv3_receive_dgram_iov()
246     } else if (ret == 0) {  in net_l2tpv3_receive_dgram_iov()
248         * we should get an error and never a 0 send  in net_l2tpv3_receive_dgram_iov()
256             ret = 0;  in net_l2tpv3_receive_dgram_iov()
270     ssize_t ret = 0;  in net_l2tpv3_receive_dgram()
284     message.msg_controllen = 0;  in net_l2tpv3_receive_dgram()
285     message.msg_flags = 0;  in net_l2tpv3_receive_dgram()
286     ret = RETRY_ON_EINTR(sendmsg(s->fd, &message, 0));  in net_l2tpv3_receive_dgram()
287     if (ret > 0) {  in net_l2tpv3_receive_dgram()
289     } else if (ret == 0) {  in net_l2tpv3_receive_dgram()
291         * we should get an error and never a 0 send  in net_l2tpv3_receive_dgram()
299             ret = 0;  in net_l2tpv3_receive_dgram()
324             cookie = ldl_be_p(buf + s->cookie_offset) & 0xffffffffULL;  in l2tpv3_verify_header()
340     return 0;  in l2tpv3_verify_header()
345     int size = 0;  in net_l2tpv3_process_queue()
352     if (s->queue_depth > 0) {  in net_l2tpv3_process_queue()
355             if (msgvec->msg_len > 0) {  in net_l2tpv3_process_queue()
358                 if ((data_size > 0) &&  in net_l2tpv3_process_queue()
359                     (l2tpv3_verify_header(s, vec->iov_base) == 0)) {  in net_l2tpv3_process_queue()
371                     if (size == 0) {  in net_l2tpv3_process_queue()
389                 (s->queue_depth > 0) &&  in net_l2tpv3_process_queue()
391                 ((size > 0) || bad_read)  in net_l2tpv3_process_queue()
426         s->queue_head = 0;  in net_l2tpv3_send()
427         s->queue_tail = 0;  in net_l2tpv3_send()
432     if (target_count > 0) {  in net_l2tpv3_send()
436         if (count < 0) {  in net_l2tpv3_send()
440             count = 0;  in net_l2tpv3_send()
454         for (i = 0; i < count; i++) {  in destroy_vector()
457                 for (j = 0; j < iovcount; j++) {  in destroy_vector()
477     for (i = 0; i < count ; i++) {  in build_l2tpv3_vector()
479         msgvec->msg_hdr.msg_namelen = 0;  in build_l2tpv3_vector()
489         msgvec->msg_hdr.msg_controllen = 0;  in build_l2tpv3_vector()
490         msgvec->msg_hdr.msg_flags = 0;  in build_l2tpv3_vector()
502     if (s->fd >= 0) {  in net_l2tpv3_cleanup()
536     s->queue_head = 0;  in net_init_l2tpv3()
537     s->queue_tail = 0;  in net_init_l2tpv3()
589     s->session_offset = 0;  in net_init_l2tpv3()
614     memset(&hints, 0, sizeof(hints));  in net_init_l2tpv3()
623         hints.ai_protocol = 0;  in net_init_l2tpv3()
635     if ((gairet != 0) || (result == NULL)) {  in net_init_l2tpv3()
654     memset(&hints, 0, sizeof(hints));  in net_init_l2tpv3()
663         hints.ai_protocol = 0;  in net_init_l2tpv3()
671     if ((gairet != 0) || (result == NULL)) {  in net_init_l2tpv3()
715     s->counter = 0;  in net_init_l2tpv3()
720     return 0;  in net_init_l2tpv3()
723     if (fd >= 0) {  in net_init_l2tpv3()