20 #define EVENT_CMUX_CONNECTED		BIT(0)
111 static uint8_t cmux_frame_control_sabm_cmd[] = {0xF9, 0x03, 0x3F, 0x01, 0x1C, 0xF9};
112 static uint8_t cmux_frame_control_sabm_ack[] = {0xF9, 0x03, 0x73, 0x01, 0xD7, 0xF9};
113 static uint8_t cmux_frame_control_cld_cmd[] = {0xF9, 0x03, 0xEF, 0x05, 0xC3, 0x01, 0xF2, 0xF9};
114 static uint8_t cmux_frame_control_cld_ack[] = {0xF9, 0x03, 0xEF, 0x05, 0xC1, 0x01, 0xF2, 0xF9};
115 static uint8_t cmux_frame_dlci1_sabm_cmd[] = {0xF9, 0x07, 0x3F, 0x01, 0xDE, 0xF9};
116 static uint8_t cmux_frame_dlci1_sabm_ack[] = {0xF9, 0x07, 0x73, 0x01, 0x15, 0xF9};
117 static uint8_t cmux_frame_dlci1_disc_cmd[] = {0xF9, 0x07, 0x53, 0x01, 0x3F, 0xF9};
118 static uint8_t cmux_frame_dlci1_ua_ack[] = {0xF9, 0x07, 0x73, 0x01, 0x15, 0xF9};
119 static uint8_t cmux_frame_dlci2_sabm_cmd[] = {0xF9, 0x0B, 0x3F, 0x01, 0x59, 0xF9};
120 static uint8_t cmux_frame_dlci2_sabm_ack[] = {0xF9, 0x0B, 0x73, 0x01, 0x92, 0xF9};
121 static uint8_t cmux_frame_dlci2_disc_cmd[] = {0xF9, 0x0B, 0x53, 0x01, 0xB8, 0xF9};
122 static uint8_t cmux_frame_dlci2_ua_ack[] = {0xF9, 0x0B, 0x73, 0x01, 0x92, 0xF9};
123 static uint8_t cmux_frame_control_msc_cmd[] = {0xF9, 0x01, 0xFF, 0x0B, 0xE3,
124 					       0x07, 0x0B, 0x09, 0x01, 0x6C, 0xF9};
126 static uint8_t cmux_frame_control_msc_ack[] = {0xF9, 0x01, 0xFF, 0x0B, 0xE1,
127 					       0x07, 0x0B, 0x09, 0x01, 0x6C, 0xF9};
129 static uint8_t cmux_frame_control_fcon_cmd[] = {0xF9, 0x01, 0xFF, 0x05, 0xA3, 0x01, 0x86, 0xF9};
130 static uint8_t cmux_frame_control_fcon_ack[] = {0xF9, 0x01, 0xFF, 0x05, 0xA1, 0x01, 0x86, 0xF9};
131 static uint8_t cmux_frame_control_fcoff_cmd[] = {0xF9, 0x01, 0xFF, 0x05, 0x63, 0x01, 0x86, 0xF9};
132 static uint8_t cmux_frame_control_fcoff_ack[] = {0xF9, 0x01, 0xFF, 0x05, 0x61, 0x01, 0x86, 0xF9};
138 	0xF9, 0x0B, 0xEF, 0x43, 0x41, 0x54, 0x2B, 0x43, 0x47, 0x44, 0x43, 0x4F, 0x4E,
139 	0x54, 0x3D, 0x31, 0x2C, 0x22, 0x49, 0x50, 0x22, 0x2C, 0x22, 0x74, 0x72, 0x61,
140 	0x63, 0x6B, 0x75, 0x6E, 0x69, 0x74, 0x2E, 0x6D, 0x32, 0x6D, 0x22, 0x23, 0xF9};
143 	0x41, 0x54, 0x2B, 0x43, 0x47, 0x44, 0x43, 0x4F, 0x4E, 0x54, 0x3D,
144 	0x31, 0x2C, 0x22, 0x49, 0x50, 0x22, 0x2C, 0x22, 0x74, 0x72, 0x61,
145 	0x63, 0x6B, 0x75, 0x6E, 0x69, 0x74, 0x2E, 0x6D, 0x32, 0x6D, 0x22};
147 static uint8_t cmux_frame_dlci2_at_newline[] = {0xF9, 0x0B, 0xEF, 0x05, 0x0D, 0x0A, 0xB7, 0xF9};
149 static uint8_t cmux_frame_data_dlci2_at_newline[] = {0x0D, 0x0A};
155 	0xF9, 0x0B, 0xEF, 0xFE, 0x41, 0x54, 0x2B, 0x43, 0x47, 0x44, 0x43, 0x4F, 0x4E,
156 	0x54, 0x3D, 0x31, 0x2C, 0x22, 0x49, 0x50, 0x22, 0x2C, 0x22, 0x74, 0x72, 0x61,
157 	0x63, 0x6B, 0x75, 0x6E, 0x69, 0x74, 0x2E, 0x6D, 0x32, 0x6D, 0x22, 0x23, 0xF9};
162 static uint8_t cmux_frame_dlci1_at_at[] = {0xF9, 0x07, 0xEF, 0x05, 0x41, 0x54, 0x30, 0xF9};
164 static uint8_t cmux_frame_data_dlci1_at_at[] = {0x41, 0x54};
166 static uint8_t cmux_frame_dlci1_at_newline[] = {0xF9, 0x07, 0xEF, 0x05, 0x0D, 0x0A, 0x30, 0xF9};
168 static uint8_t cmux_frame_data_dlci1_at_newline[] = {0x0D, 0x0A};
173 static uint8_t cmux_frame_dlci1_at_at_desync[] = {0x41, 0x54, 0x30, 0xF9};
179 	0xF9, 0x0B, 0xEF, 0x69, 0x7E, 0xFF, 0x7D, 0x23, 0xC0, 0x21, 0x7D, 0x21, 0x7D, 0x20, 0x7D,
180 	0x20, 0x7D, 0x38, 0x7D, 0x22, 0x7D, 0x26, 0x7D, 0x20, 0x7D, 0x20, 0x7D, 0x20, 0x7D, 0x20,
181 	0x7D, 0x23, 0x7D, 0x24, 0xC0, 0x23, 0x7D, 0x25, 0x7D, 0x26, 0x53, 0x96, 0x7D, 0x38, 0xAA,
182 	0x7D, 0x27, 0x7D, 0x22, 0x7D, 0x28, 0x7D, 0x22, 0xD5, 0xA8, 0x7E, 0xF6, 0xF9};
185 	0x7E, 0xFF, 0x7D, 0x23, 0xC0, 0x21, 0x7D, 0x21, 0x7D, 0x20, 0x7D, 0x20, 0x7D,
186 	0x38, 0x7D, 0x22, 0x7D, 0x26, 0x7D, 0x20, 0x7D, 0x20, 0x7D, 0x20, 0x7D, 0x20,
187 	0x7D, 0x23, 0x7D, 0x24, 0xC0, 0x23, 0x7D, 0x25, 0x7D, 0x26, 0x53, 0x96, 0x7D,
188 	0x38, 0xAA, 0x7D, 0x27, 0x7D, 0x22, 0x7D, 0x28, 0x7D, 0x22, 0xD5, 0xA8, 0x7E};
190 static uint8_t cmux_frame_dlci2_ppp_18[] = {0xF9, 0x0B, 0xEF, 0x25, 0x7E, 0xFF, 0x7D, 0x23,
191 					    0xC0, 0x21, 0x7D, 0x22, 0x7D, 0x21, 0x7D, 0x20,
192 					    0x7D, 0x24, 0x7D, 0x3C, 0x90, 0x7E, 0x8F, 0xF9};
194 static uint8_t cmux_frame_data_dlci2_ppp_18[] = {0x7E, 0xFF, 0x7D, 0x23, 0xC0, 0x21,
195 						 0x7D, 0x22, 0x7D, 0x21, 0x7D, 0x20,
196 						 0x7D, 0x24, 0x7D, 0x3C, 0x90, 0x7E};
294 	__ASSERT_NO_MSG(modem_pipe_open(bus_mock_pipe, K_SECONDS(10)) == 0);  in test_modem_cmux_setup()
297 	__ASSERT_NO_MSG(modem_cmux_attach(&cmux, bus_mock_pipe) == 0);  in test_modem_cmux_setup()
299 	__ASSERT_NO_MSG(modem_cmux_connect_async(&cmux) == 0);  in test_modem_cmux_setup()
306 	__ASSERT_NO_MSG(modem_pipe_open_async(dlci1_pipe) == 0);  in test_modem_cmux_setup()
312 	__ASSERT_NO_MSG(modem_pipe_open_async(dlci2_pipe) == 0);  in test_modem_cmux_setup()
351 			    sizeof(cmux_frame_data_dlci2_at_cgdcont)) == 0,  in ZTEST()
356 			    sizeof(cmux_frame_data_dlci2_at_newline)) == 0,  in ZTEST()
381 			    sizeof(cmux_frame_data_dlci1_at_at)) == 0,  in ZTEST()
386 			    sizeof(cmux_frame_data_dlci1_at_newline)) == 0,  in ZTEST()
410 			    sizeof(cmux_frame_data_dlci2_ppp_52)) == 0,  in ZTEST()
415 			    sizeof(cmux_frame_data_dlci2_ppp_18)) == 0,  in ZTEST()
466 			    sizeof(cmux_frame_data_dlci1_at_at)) == 0,  in ZTEST()
471 			    sizeof(cmux_frame_data_dlci1_at_newline)) == 0,  in ZTEST()
489 			    sizeof(cmux_frame_control_fcoff_ack)) == 0,  in ZTEST()
495 	zassert_true(ret == 0, "Failed to block transmit while flow control is off");  in ZTEST()
498 	zassert_true(ret == 0, "FCOFF failed to prevent transmission of data");  in ZTEST()
509 			    sizeof(cmux_frame_control_fcon_ack)) == 0,  in ZTEST()
525 			    sizeof(cmux_frame_dlci2_ppp_52)) == 0,  in ZTEST()
543 			    sizeof(cmux_frame_control_msc_ack)) == 0,  in ZTEST()
553 	zassert_true(modem_pipe_close_async(dlci1_pipe) == 0, "Failed to close DLCI1 pipe");  in ZTEST()
562 			    sizeof(cmux_frame_dlci1_disc_cmd)) == 0,  in ZTEST()
578 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
581 	zassert_true(modem_pipe_open_async(dlci1_pipe) == 0, "Failed to open DLCI1 pipe");  in ZTEST()
590 			    sizeof(cmux_frame_dlci1_sabm_cmd)) == 0,  in ZTEST()
606 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
615 	zassert_true(modem_pipe_close_async(dlci1_pipe) == 0, "Failed to close DLCI1");  in ZTEST()
616 	zassert_true(modem_pipe_close_async(dlci2_pipe) == 0, "Failed to close DLCI2");  in ZTEST()
632 	zassert_true(modem_cmux_disconnect_async(&cmux) == 0, "Failed to disconnect CMUX");  in ZTEST()
642 			    sizeof(cmux_frame_control_cld_cmd)) == 0,  in ZTEST()
655 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
658 	zassert_true(modem_cmux_connect_async(&cmux) == 0, "Failed to connect CMUX");  in ZTEST()
667 			    sizeof(cmux_frame_control_sabm_cmd)) == 0,  in ZTEST()
680 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
683 	zassert_true(modem_pipe_open_async(dlci1_pipe) == 0, "Failed to open DLCI1 pipe");  in ZTEST()
692 			    sizeof(cmux_frame_dlci1_sabm_cmd)) == 0,  in ZTEST()
708 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
711 	zassert_true(modem_pipe_open_async(dlci2_pipe) == 0, "Failed to open DLCI2 pipe");  in ZTEST()
720 			    sizeof(cmux_frame_dlci2_sabm_cmd)) == 0,  in ZTEST()
736 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
742 	zassert_true(modem_pipe_close(dlci1_pipe, K_SECONDS(10)) == 0, "Failed to close DLCI1");  in ZTEST()
744 	zassert_true(modem_pipe_close(dlci2_pipe, K_SECONDS(10)) == 0, "Failed to close DLCI2");  in ZTEST()
746 	zassert_true(modem_cmux_disconnect(&cmux) == 0, "Failed to disconnect CMUX");  in ZTEST()
751 	zassert_true(modem_cmux_connect(&cmux) == 0, "Failed to connect CMUX");  in ZTEST()
756 	zassert_true(modem_pipe_open(dlci1_pipe, K_SECONDS(10)) == 0,  in ZTEST()
759 	zassert_true(modem_pipe_open(dlci2_pipe, K_SECONDS(10)) == 0,  in ZTEST()
766 	zassert_true(modem_pipe_close(dlci1_pipe, K_SECONDS(10)) == 0, "Failed to close DLCI1");  in ZTEST()
768 	zassert_true(modem_pipe_close(dlci2_pipe, K_SECONDS(10)) == 0, "Failed to close DLCI2");  in ZTEST()
770 	zassert_true(modem_pipe_open(dlci1_pipe, K_SECONDS(10)) == 0,  in ZTEST()
773 	zassert_true(modem_pipe_open(dlci2_pipe, K_SECONDS(10)) == 0,  in ZTEST()
793 	zassert_true(modem_backend_mock_get(&bus_mock, buffer1, sizeof(buffer1)) > 0);  in ZTEST()
799 	zassert_true(modem_backend_mock_get(&bus_mock, buffer1, sizeof(buffer1)) == 0);  in ZTEST()
813 	zassert_true(modem_backend_mock_get(&bus_mock, buffer1, sizeof(buffer1)) == 0);  in ZTEST()
858 			    sizeof(cmux_frame_data_dlci2_at_cgdcont)) == 0,  in ZTEST()
863 			    sizeof(cmux_frame_data_dlci2_at_newline)) == 0,  in ZTEST()