586 void net_buf_frag_insert(struct net_buf *parent, struct net_buf *frag)  in net_buf_frag_insert()  argument
589 	__ASSERT_NO_MSG(frag);  in net_buf_frag_insert()
592 		net_buf_frag_last(frag)->frags = parent->frags;  in net_buf_frag_insert()
595 	parent->frags = frag;  in net_buf_frag_insert()
598 struct net_buf *net_buf_frag_add(struct net_buf *head, struct net_buf *frag)  in net_buf_frag_add()  argument
600 	__ASSERT_NO_MSG(frag);  in net_buf_frag_add()
603 		return net_buf_ref(frag);  in net_buf_frag_add()
606 	net_buf_frag_insert(net_buf_frag_last(head), frag);  in net_buf_frag_add()
613 				       struct net_buf *frag,  in net_buf_frag_del_debug()  argument
616 struct net_buf *net_buf_frag_del(struct net_buf *parent, struct net_buf *frag)  in net_buf_frag_del_debug()
621 	__ASSERT_NO_MSG(frag);  in net_buf_frag_del_debug()
625 		__ASSERT_NO_MSG(parent->frags == frag);  in net_buf_frag_del_debug()
626 		parent->frags = frag->frags;  in net_buf_frag_del_debug()
629 	next_frag = frag->frags;  in net_buf_frag_del_debug()
631 	frag->frags = NULL;  in net_buf_frag_del_debug()
634 	net_buf_unref_debug(frag, func, line);  in net_buf_frag_del_debug()
636 	net_buf_unref(frag);  in net_buf_frag_del_debug()
645 	const struct net_buf *frag;  in net_buf_linearize()  local
651 	frag = src;  in net_buf_linearize()
654 	while (frag && offset >= frag->len) {  in net_buf_linearize()
655 		offset -= frag->len;  in net_buf_linearize()
656 		frag = frag->frags;  in net_buf_linearize()
661 	while (frag && len > 0) {  in net_buf_linearize()
662 		to_copy = MIN(len, frag->len - offset);  in net_buf_linearize()
663 		memcpy((uint8_t *)dst + copied, frag->data + offset, to_copy);  in net_buf_linearize()
669 		frag = frag->frags;  in net_buf_linearize()
686 	struct net_buf *frag = net_buf_frag_last(buf);  in net_buf_append_bytes()  local
692 		uint16_t count = MIN(len, net_buf_tailroom(frag));  in net_buf_append_bytes()
694 		net_buf_add_mem(frag, value8, count);  in net_buf_append_bytes()
704 			frag = allocate_cb(timeout, user_data);  in net_buf_append_bytes()
713 			frag = net_buf_alloc_len(pool,  in net_buf_append_bytes()
718 		if (!frag) {  in net_buf_append_bytes()
722 		net_buf_frag_add(buf, frag);  in net_buf_append_bytes()