22 	if (rx_ctxt->nb != NULL) {  in mcumgr_serial_free_rx_ctxt()
23 		smp_packet_free(rx_ctxt->nb);  in mcumgr_serial_free_rx_ctxt()
24 		rx_ctxt->nb = NULL;  in mcumgr_serial_free_rx_ctxt()
35 	if (rx_ctxt->nb->len < 2) {  in mcumgr_serial_extract_len()
39 	rx_ctxt->pkt_len = net_buf_pull_be16(rx_ctxt->nb);  in mcumgr_serial_extract_len()
49 	rc = base64_decode(rx_ctxt->nb->data + rx_ctxt->nb->len,  in mcumgr_serial_decode_frag()
50 				   net_buf_tailroom(rx_ctxt->nb), &dec_len,  in mcumgr_serial_decode_frag()
56 	rx_ctxt->nb->len += dec_len;  in mcumgr_serial_decode_frag()
72 	struct net_buf *nb;  in mcumgr_serial_process_frag()  local
77 	if (rx_ctxt->nb == NULL) {  in mcumgr_serial_process_frag()
78 		rx_ctxt->nb = smp_packet_alloc();  in mcumgr_serial_process_frag()
79 		if (rx_ctxt->nb == NULL) {  in mcumgr_serial_process_frag()
91 		net_buf_reset(rx_ctxt->nb);  in mcumgr_serial_process_frag()
95 		if (rx_ctxt->nb->len == 0U) {  in mcumgr_serial_process_frag()
121 	if (rx_ctxt->nb->len < rx_ctxt->pkt_len) {  in mcumgr_serial_process_frag()
126 	if (rx_ctxt->nb->len > rx_ctxt->pkt_len) {  in mcumgr_serial_process_frag()
132 	crc = mcumgr_serial_calc_crc(rx_ctxt->nb->data, rx_ctxt->nb->len);  in mcumgr_serial_process_frag()
139 	rx_ctxt->nb->len -= 2U;  in mcumgr_serial_process_frag()
141 	nb = rx_ctxt->nb;  in mcumgr_serial_process_frag()
142 	rx_ctxt->nb = NULL;  in mcumgr_serial_process_frag()
143 	return nb;  in mcumgr_serial_process_frag()