diff --git a/sys/compat/linuxkpi/common/include/crypto/hash.h b/sys/compat/linuxkpi/common/include/crypto/hash.h
new file mode 100644
index 000000000000..bf401691722a
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/crypto/hash.h
@@ -0,0 +1,94 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2022 Bjoern A. Zeeb
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _LINUXKPI_CRYPTO_HASH_H
+#define _LINUXKPI_CRYPTO_HASH_H
+
+#include <linux/kernel.h>	/* for pr_debug */
+
+struct crypto_shash {
+};
+
+struct shash_desc {
+	struct crypto_shash	*tfm;
+};
+
+static inline struct crypto_shash *
+crypto_alloc_shash(const char *algostr, int x, int y)
+{
+
+	pr_debug("%s: TODO\n", __func__);
+	return (NULL);
+}
+
+static inline void
+crypto_free_shash(struct crypto_shash *csh)
+{
+	pr_debug("%s: TODO\n", __func__);
+}
+
+static inline int
+crypto_shash_init(struct shash_desc *desc)
+{
+	pr_debug("%s: TODO\n", __func__);
+	return (-ENXIO);
+}
+
+static inline int
+crypto_shash_final(struct shash_desc *desc, uint8_t *mic)
+{
+	pr_debug("%s: TODO\n", __func__);
+	return (-ENXIO);
+}
+
+static inline int
+crypto_shash_setkey(struct crypto_shash *csh, const uint8_t *key, size_t keylen)
+{
+	pr_debug("%s: TODO\n", __func__);
+	return (-ENXIO);
+}
+
+static inline int
+crypto_shash_update(struct shash_desc *desc, uint8_t *data, size_t datalen)
+{
+	pr_debug("%s: TODO\n", __func__);
+	return (-ENXIO);
+}
+
+static inline void
+shash_desc_zero(struct shash_desc *desc)
+{
+
+	explicit_bzero(desc, sizeof(*desc));
+}
+
+/* XXX review this. */
+#define	SHASH_DESC_ON_STACK(desc, tfm)					\
+	uint8_t ___ ## desc ## _desc[sizeof(struct shash_desc)];	\
+	struct shash_desc *desc = (struct shash_desc *)___ ## desc ## _desc
+
+#endif /* _LINUXKPI_CRYPTO_HASH_H */
diff --git a/sys/compat/linuxkpi/common/include/linux/socket.h b/sys/compat/linuxkpi/common/include/linux/socket.h
index 3afb9bdfe3ba..8818971fa4c7 100644
--- a/sys/compat/linuxkpi/common/include/linux/socket.h
+++ b/sys/compat/linuxkpi/common/include/linux/socket.h
@@ -1,69 +1,80 @@
 /*-
  * Copyright (c) 2010 Isilon Systems, Inc.
  * Copyright (c) 2010 iX Systems, Inc.
  * Copyright (c) 2010 Panasas, Inc.
  * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice unmodified, this list of conditions, and the following
  *    disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 #ifndef	_LINUXKPI_LINUX_SOCKET_H_
 #define	_LINUXKPI_LINUX_SOCKET_H_
 
 #include <sys/socket.h>
 
+#define	AF_QIPCRTR			42
+
+static inline int
+kernel_connect(int sd, struct sockaddr *sa, size_t salen, int flags)
+{
+
+	/* kern_connectat()? It is used for sockaddr_qrtr by ath1xk/qmi. */
+	pr_debug("%s: TODO\n", __func__);
+	return (-EINVAL);
+}
+
 #ifdef notyet
 static inline int
 memcpy_toiovec(struct iovec *v, unsigned char *kdata, int len)
 {
 	struct uio uio;
 	int error;
 
 	uio.uio_iov = v;
 	uio.uio_iovcnt = -1;
 	uio.uio_offset = 0;
 	uio.uio_resid = len;
 	uio.uio_segflag = UIO_USERSPACE;
 	uio.uio_rw = UIO_READ;
 	error = -uiomove(kdata, len, &uio);
 	return (error);
 }
 
 static inline int
 memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len)
 {
 	struct uio uio;
 	int error;
 
 	uio.uio_iov = v;
 	uio.uio_iovcnt = -1;
 	uio.uio_offset = 0;
 	uio.uio_resid = len;
 	uio.uio_segflag = UIO_USERSPACE;
 	uio.uio_rw = UIO_WRITE;
 	error = -uiomove(kdata, len, &uio);
 }
 #endif
 
 #endif	/* _LINUXKPI_LINUX_SOCKET_H_ */