diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml
index 4930e8142aa63294bcf1aa43d0320999173325de..0c747530c275e91ced0da69335cc3b814c0bae7e 100644
--- a/Documentation/netlink/specs/netdev.yaml
+++ b/Documentation/netlink/specs/netdev.yaml
@@ -667,6 +667,10 @@ operations:
           attributes:
             - id
 
+kernel-family:
+  headers: [ "linux/list.h"]
+  sock-priv: struct list_head
+
 mcast-groups:
   list:
     -
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 2465bdb6037ff427935483d4192ba48323f1caaf..e87b5e4883259a0723278ae3f1bee87e940af895 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3953,6 +3953,8 @@ u8 dev_xdp_prog_count(struct net_device *dev);
 int dev_xdp_propagate(struct net_device *dev, struct netdev_bpf *bpf);
 u32 dev_xdp_prog_id(struct net_device *dev, enum bpf_xdp_mode mode);
 
+u32 dev_get_min_mp_channel_count(const struct net_device *dev);
+
 int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
 int dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
 int dev_forward_skb_nomtu(struct net_device *dev, struct sk_buff *skb);
diff --git a/include/net/netdev_rx_queue.h b/include/net/netdev_rx_queue.h
index e78ca52d67fbf5546bed10c6545a669852a9387c..ac34f5fb4f71dfba12fca2725aa1bf5556dc6bad 100644
--- a/include/net/netdev_rx_queue.h
+++ b/include/net/netdev_rx_queue.h
@@ -6,6 +6,7 @@
 #include <linux/netdevice.h>
 #include <linux/sysfs.h>
 #include <net/xdp.h>
+#include <net/page_pool/types.h>
 
 /* This structure contains an instance of an RX queue. */
 struct netdev_rx_queue {
@@ -25,6 +26,7 @@ struct netdev_rx_queue {
 	 * Readers and writers must hold RTNL
 	 */
 	struct napi_struct		*napi;
+	struct pp_memory_provider_params mp_params;
 } ____cacheline_aligned_in_smp;
 
 /*
diff --git a/include/net/netmem.h b/include/net/netmem.h
index 46cc9b89ac79fdf08d96e8b25f8171cec1133b69..c23e224dd6a0997295dcc2e3deef792a5daf787a 100644
--- a/include/net/netmem.h
+++ b/include/net/netmem.h
@@ -8,6 +8,14 @@
 #ifndef _NET_NETMEM_H
 #define _NET_NETMEM_H
 
+/* net_iov */
+
+struct net_iov {
+	struct dmabuf_genpool_chunk_owner *owner;
+};
+
+/* netmem */
+
 /**
  * typedef netmem_ref - a nonexistent type marking a reference to generic
  * network memory.
diff --git a/include/net/page_pool/types.h b/include/net/page_pool/types.h
index 50569fed7868eaaa82962b6c1c0f788fff6ae5d8..4afd6dd56351a16d5cb8a9605b59ebf1e6f895f3 100644
--- a/include/net/page_pool/types.h
+++ b/include/net/page_pool/types.h
@@ -139,6 +139,10 @@ struct page_pool_stats {
  */
 #define PAGE_POOL_FRAG_GROUP_ALIGN	(4 * sizeof(long))
 
+struct pp_memory_provider_params {
+	void *mp_priv;
+};
+
 struct page_pool {
 	struct page_pool_params_fast p;
 
@@ -197,6 +201,8 @@ struct page_pool {
 	 */
 	struct ptr_ring ring;
 
+	void *mp_priv;
+
 #ifdef CONFIG_PAGE_POOL_STATS
 	/* recycle stats are per-cpu to avoid locking */
 	struct page_pool_recycle_stats __percpu *recycle_stats;
diff --git a/net/Kconfig b/net/Kconfig
index d27d0deac0bfbe87fee7e378788d573057de455e..7574b066d7cdc84c055e061039c7cd529f8a7656 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -66,6 +66,11 @@ config SKB_DECRYPTED
 config SKB_EXTENSIONS
 	bool
 
+config NET_DEVMEM
+	def_bool y
+	depends on DMA_SHARED_BUFFER
+	depends on GENERIC_ALLOCATOR
+
 menu "Networking options"
 
 source "net/packet/Kconfig"
diff --git a/net/core/Makefile b/net/core/Makefile
index f82232b358a2c4dab17b1ca210cbd3564247134f..c3ebbaf9c81e5c1f0ba4bcf0684fec32460baebe 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -44,3 +44,4 @@ obj-$(CONFIG_BPF_SYSCALL) += sock_map.o
 obj-$(CONFIG_BPF_SYSCALL) += bpf_sk_storage.o
 obj-$(CONFIG_OF)	+= of_net.o
 obj-$(CONFIG_NET_TEST) += net_test.o
+obj-$(CONFIG_NET_DEVMEM) += devmem.o
diff --git a/net/core/dev.c b/net/core/dev.c
index 8f4dead64284f6c661ca206dee8044dfa68f5993..7818d7f6295e11485ba019bfddb18a657902f9c2 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -161,6 +161,7 @@
 #include <linux/phy_link_topology.h>
 
 #include "dev.h"
+#include "devmem.h"
 #include "net-sysfs.h"
 
 static DEFINE_SPINLOCK(ptype_lock);
@@ -9367,6 +9368,11 @@ int dev_xdp_propagate(struct net_device *dev, struct netdev_bpf *bpf)
 	if (!dev->netdev_ops->ndo_bpf)
 		return -EOPNOTSUPP;
 
+	if (dev_get_min_mp_channel_count(dev)) {
+		NL_SET_ERR_MSG(bpf->extack, "unable to propagate XDP to device using memory provider");
+		return -EBUSY;
+	}
+
 	return dev->netdev_ops->ndo_bpf(dev, bpf);
 }
 EXPORT_SYMBOL_GPL(dev_xdp_propagate);
@@ -9399,6 +9405,11 @@ static int dev_xdp_install(struct net_device *dev, enum bpf_xdp_mode mode,
 	struct netdev_bpf xdp;
 	int err;
 
+	if (dev_get_min_mp_channel_count(dev)) {
+		NL_SET_ERR_MSG(extack, "unable to install XDP to device using memory provider");
+		return -EBUSY;
+	}
+
 	memset(&xdp, 0, sizeof(xdp));
 	xdp.command = mode == XDP_MODE_HW ? XDP_SETUP_PROG_HW : XDP_SETUP_PROG;
 	xdp.extack = extack;
@@ -9823,6 +9834,20 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
 	return err;
 }
 
+u32 dev_get_min_mp_channel_count(const struct net_device *dev)
+{
+	int i;
+
+	ASSERT_RTNL();
+
+	for (i = dev->real_num_rx_queues - 1; i >= 0; i--)
+		if (dev->_rx[i].mp_params.mp_priv)
+			/* The channel count is the idx plus 1. */
+			return i + 1;
+
+	return 0;
+}
+
 /**
  * dev_index_reserve() - allocate an ifindex in a namespace
  * @net: the applicable net namespace
@@ -11359,6 +11384,7 @@ void unregister_netdevice_many_notify(struct list_head *head,
 		dev_tcx_uninstall(dev);
 		dev_xdp_uninstall(dev);
 		bpf_dev_bound_netdev_unregister(dev);
+		dev_dmabuf_uninstall(dev);
 
 		netdev_offload_xstats_disable_all(dev);
 
diff --git a/net/core/devmem.c b/net/core/devmem.c
new file mode 100644
index 0000000000000000000000000000000000000000..8dd7beb080d2ce5f7ff57885e74b963aa7e41af9
--- /dev/null
+++ b/net/core/devmem.c
@@ -0,0 +1,274 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *      Devmem TCP
+ *
+ *      Authors:	Mina Almasry <almasrymina@google.com>
+ *			Willem de Bruijn <willemdebruijn.kernel@gmail.com>
+ *			Kaiyuan Zhang <kaiyuanz@google.com
+ */
+
+#include <linux/dma-buf.h>
+#include <linux/genalloc.h>
+#include <linux/mm.h>
+#include <linux/netdevice.h>
+#include <linux/types.h>
+#include <net/netdev_queues.h>
+#include <net/netdev_rx_queue.h>
+#include <net/page_pool/helpers.h>
+#include <trace/events/page_pool.h>
+
+#include "devmem.h"
+
+/* Device memory support */
+
+/* Protected by rtnl_lock() */
+static DEFINE_XARRAY_FLAGS(net_devmem_dmabuf_bindings, XA_FLAGS_ALLOC1);
+
+static void net_devmem_dmabuf_free_chunk_owner(struct gen_pool *genpool,
+					       struct gen_pool_chunk *chunk,
+					       void *not_used)
+{
+	struct dmabuf_genpool_chunk_owner *owner = chunk->owner;
+
+	kvfree(owner->niovs);
+	kfree(owner);
+}
+
+void __net_devmem_dmabuf_binding_free(struct net_devmem_dmabuf_binding *binding)
+{
+	size_t size, avail;
+
+	gen_pool_for_each_chunk(binding->chunk_pool,
+				net_devmem_dmabuf_free_chunk_owner, NULL);
+
+	size = gen_pool_size(binding->chunk_pool);
+	avail = gen_pool_avail(binding->chunk_pool);
+
+	if (!WARN(size != avail, "can't destroy genpool. size=%zu, avail=%zu",
+		  size, avail))
+		gen_pool_destroy(binding->chunk_pool);
+
+	dma_buf_unmap_attachment_unlocked(binding->attachment, binding->sgt,
+					  DMA_FROM_DEVICE);
+	dma_buf_detach(binding->dmabuf, binding->attachment);
+	dma_buf_put(binding->dmabuf);
+	xa_destroy(&binding->bound_rxqs);
+	kfree(binding);
+}
+
+void net_devmem_unbind_dmabuf(struct net_devmem_dmabuf_binding *binding)
+{
+	struct netdev_rx_queue *rxq;
+	unsigned long xa_idx;
+	unsigned int rxq_idx;
+
+	if (binding->list.next)
+		list_del(&binding->list);
+
+	xa_for_each(&binding->bound_rxqs, xa_idx, rxq) {
+		WARN_ON(rxq->mp_params.mp_priv != binding);
+
+		rxq->mp_params.mp_priv = NULL;
+
+		rxq_idx = get_netdev_rx_queue_index(rxq);
+
+		WARN_ON(netdev_rx_queue_restart(binding->dev, rxq_idx));
+	}
+
+	xa_erase(&net_devmem_dmabuf_bindings, binding->id);
+
+	net_devmem_dmabuf_binding_put(binding);
+}
+
+int net_devmem_bind_dmabuf_to_queue(struct net_device *dev, u32 rxq_idx,
+				    struct net_devmem_dmabuf_binding *binding,
+				    struct netlink_ext_ack *extack)
+{
+	struct netdev_rx_queue *rxq;
+	u32 xa_idx;
+	int err;
+
+	if (rxq_idx >= dev->real_num_rx_queues) {
+		NL_SET_ERR_MSG(extack, "rx queue index out of range");
+		return -ERANGE;
+	}
+
+	rxq = __netif_get_rx_queue(dev, rxq_idx);
+	if (rxq->mp_params.mp_priv) {
+		NL_SET_ERR_MSG(extack, "designated queue already memory provider bound");
+		return -EEXIST;
+	}
+
+#ifdef CONFIG_XDP_SOCKETS
+	if (rxq->pool) {
+		NL_SET_ERR_MSG(extack, "designated queue already in use by AF_XDP");
+		return -EBUSY;
+	}
+#endif
+
+	err = xa_alloc(&binding->bound_rxqs, &xa_idx, rxq, xa_limit_32b,
+		       GFP_KERNEL);
+	if (err)
+		return err;
+
+	rxq->mp_params.mp_priv = binding;
+
+	err = netdev_rx_queue_restart(dev, rxq_idx);
+	if (err)
+		goto err_xa_erase;
+
+	return 0;
+
+err_xa_erase:
+	rxq->mp_params.mp_priv = NULL;
+	xa_erase(&binding->bound_rxqs, xa_idx);
+
+	return err;
+}
+
+struct net_devmem_dmabuf_binding *
+net_devmem_bind_dmabuf(struct net_device *dev, unsigned int dmabuf_fd,
+		       struct netlink_ext_ack *extack)
+{
+	struct net_devmem_dmabuf_binding *binding;
+	static u32 id_alloc_next;
+	struct scatterlist *sg;
+	struct dma_buf *dmabuf;
+	unsigned int sg_idx, i;
+	unsigned long virtual;
+	int err;
+
+	dmabuf = dma_buf_get(dmabuf_fd);
+	if (IS_ERR(dmabuf))
+		return ERR_CAST(dmabuf);
+
+	binding = kzalloc_node(sizeof(*binding), GFP_KERNEL,
+			       dev_to_node(&dev->dev));
+	if (!binding) {
+		err = -ENOMEM;
+		goto err_put_dmabuf;
+	}
+
+	binding->dev = dev;
+
+	err = xa_alloc_cyclic(&net_devmem_dmabuf_bindings, &binding->id,
+			      binding, xa_limit_32b, &id_alloc_next,
+			      GFP_KERNEL);
+	if (err < 0)
+		goto err_free_binding;
+
+	xa_init_flags(&binding->bound_rxqs, XA_FLAGS_ALLOC);
+
+	refcount_set(&binding->ref, 1);
+
+	binding->dmabuf = dmabuf;
+
+	binding->attachment = dma_buf_attach(binding->dmabuf, dev->dev.parent);
+	if (IS_ERR(binding->attachment)) {
+		err = PTR_ERR(binding->attachment);
+		NL_SET_ERR_MSG(extack, "Failed to bind dmabuf to device");
+		goto err_free_id;
+	}
+
+	binding->sgt = dma_buf_map_attachment_unlocked(binding->attachment,
+						       DMA_FROM_DEVICE);
+	if (IS_ERR(binding->sgt)) {
+		err = PTR_ERR(binding->sgt);
+		NL_SET_ERR_MSG(extack, "Failed to map dmabuf attachment");
+		goto err_detach;
+	}
+
+	/* For simplicity we expect to make PAGE_SIZE allocations, but the
+	 * binding can be much more flexible than that. We may be able to
+	 * allocate MTU sized chunks here. Leave that for future work...
+	 */
+	binding->chunk_pool =
+		gen_pool_create(PAGE_SHIFT, dev_to_node(&dev->dev));
+	if (!binding->chunk_pool) {
+		err = -ENOMEM;
+		goto err_unmap;
+	}
+
+	virtual = 0;
+	for_each_sgtable_dma_sg(binding->sgt, sg, sg_idx) {
+		dma_addr_t dma_addr = sg_dma_address(sg);
+		struct dmabuf_genpool_chunk_owner *owner;
+		size_t len = sg_dma_len(sg);
+		struct net_iov *niov;
+
+		owner = kzalloc_node(sizeof(*owner), GFP_KERNEL,
+				     dev_to_node(&dev->dev));
+		if (!owner) {
+			err = -ENOMEM;
+			goto err_free_chunks;
+		}
+
+		owner->base_virtual = virtual;
+		owner->base_dma_addr = dma_addr;
+		owner->num_niovs = len / PAGE_SIZE;
+		owner->binding = binding;
+
+		err = gen_pool_add_owner(binding->chunk_pool, dma_addr,
+					 dma_addr, len, dev_to_node(&dev->dev),
+					 owner);
+		if (err) {
+			kfree(owner);
+			err = -EINVAL;
+			goto err_free_chunks;
+		}
+
+		owner->niovs = kvmalloc_array(owner->num_niovs,
+					      sizeof(*owner->niovs),
+					      GFP_KERNEL);
+		if (!owner->niovs) {
+			err = -ENOMEM;
+			goto err_free_chunks;
+		}
+
+		for (i = 0; i < owner->num_niovs; i++) {
+			niov = &owner->niovs[i];
+			niov->owner = owner;
+		}
+
+		virtual += len;
+	}
+
+	return binding;
+
+err_free_chunks:
+	gen_pool_for_each_chunk(binding->chunk_pool,
+				net_devmem_dmabuf_free_chunk_owner, NULL);
+	gen_pool_destroy(binding->chunk_pool);
+err_unmap:
+	dma_buf_unmap_attachment_unlocked(binding->attachment, binding->sgt,
+					  DMA_FROM_DEVICE);
+err_detach:
+	dma_buf_detach(dmabuf, binding->attachment);
+err_free_id:
+	xa_erase(&net_devmem_dmabuf_bindings, binding->id);
+err_free_binding:
+	kfree(binding);
+err_put_dmabuf:
+	dma_buf_put(dmabuf);
+	return ERR_PTR(err);
+}
+
+void dev_dmabuf_uninstall(struct net_device *dev)
+{
+	struct net_devmem_dmabuf_binding *binding;
+	struct netdev_rx_queue *rxq;
+	unsigned long xa_idx;
+	unsigned int i;
+
+	for (i = 0; i < dev->real_num_rx_queues; i++) {
+		binding = dev->_rx[i].mp_params.mp_priv;
+		if (!binding)
+			continue;
+
+		xa_for_each(&binding->bound_rxqs, xa_idx, rxq)
+			if (rxq == &dev->_rx[i]) {
+				xa_erase(&binding->bound_rxqs, xa_idx);
+				break;
+			}
+	}
+}
diff --git a/net/core/devmem.h b/net/core/devmem.h
new file mode 100644
index 0000000000000000000000000000000000000000..c50f91d858ddfea598701b8d95415212728ff49a
--- /dev/null
+++ b/net/core/devmem.h
@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Device memory TCP support
+ *
+ * Authors:	Mina Almasry <almasrymina@google.com>
+ *		Willem de Bruijn <willemb@google.com>
+ *		Kaiyuan Zhang <kaiyuanz@google.com>
+ *
+ */
+#ifndef _NET_DEVMEM_H
+#define _NET_DEVMEM_H
+
+struct netlink_ext_ack;
+
+struct net_devmem_dmabuf_binding {
+	struct dma_buf *dmabuf;
+	struct dma_buf_attachment *attachment;
+	struct sg_table *sgt;
+	struct net_device *dev;
+	struct gen_pool *chunk_pool;
+
+	/* The user holds a ref (via the netlink API) for as long as they want
+	 * the binding to remain alive. Each page pool using this binding holds
+	 * a ref to keep the binding alive. Each allocated net_iov holds a
+	 * ref.
+	 *
+	 * The binding undos itself and unmaps the underlying dmabuf once all
+	 * those refs are dropped and the binding is no longer desired or in
+	 * use.
+	 */
+	refcount_t ref;
+
+	/* The list of bindings currently active. Used for netlink to notify us
+	 * of the user dropping the bind.
+	 */
+	struct list_head list;
+
+	/* rxq's this binding is active on. */
+	struct xarray bound_rxqs;
+
+	/* ID of this binding. Globally unique to all bindings currently
+	 * active.
+	 */
+	u32 id;
+};
+
+#if defined(CONFIG_NET_DEVMEM)
+/* Owner of the dma-buf chunks inserted into the gen pool. Each scatterlist
+ * entry from the dmabuf is inserted into the genpool as a chunk, and needs
+ * this owner struct to keep track of some metadata necessary to create
+ * allocations from this chunk.
+ */
+struct dmabuf_genpool_chunk_owner {
+	/* Offset into the dma-buf where this chunk starts.  */
+	unsigned long base_virtual;
+
+	/* dma_addr of the start of the chunk.  */
+	dma_addr_t base_dma_addr;
+
+	/* Array of net_iovs for this chunk. */
+	struct net_iov *niovs;
+	size_t num_niovs;
+
+	struct net_devmem_dmabuf_binding *binding;
+};
+
+void __net_devmem_dmabuf_binding_free(struct net_devmem_dmabuf_binding *binding);
+struct net_devmem_dmabuf_binding *
+net_devmem_bind_dmabuf(struct net_device *dev, unsigned int dmabuf_fd,
+		       struct netlink_ext_ack *extack);
+void net_devmem_unbind_dmabuf(struct net_devmem_dmabuf_binding *binding);
+int net_devmem_bind_dmabuf_to_queue(struct net_device *dev, u32 rxq_idx,
+				    struct net_devmem_dmabuf_binding *binding,
+				    struct netlink_ext_ack *extack);
+void dev_dmabuf_uninstall(struct net_device *dev);
+
+static inline void
+net_devmem_dmabuf_binding_get(struct net_devmem_dmabuf_binding *binding)
+{
+	refcount_inc(&binding->ref);
+}
+
+static inline void
+net_devmem_dmabuf_binding_put(struct net_devmem_dmabuf_binding *binding)
+{
+	if (!refcount_dec_and_test(&binding->ref))
+		return;
+
+	__net_devmem_dmabuf_binding_free(binding);
+}
+
+#else
+static inline void
+__net_devmem_dmabuf_binding_free(struct net_devmem_dmabuf_binding *binding)
+{
+}
+
+static inline struct net_devmem_dmabuf_binding *
+net_devmem_bind_dmabuf(struct net_device *dev, unsigned int dmabuf_fd,
+		       struct netlink_ext_ack *extack)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline void
+net_devmem_unbind_dmabuf(struct net_devmem_dmabuf_binding *binding)
+{
+}
+
+static inline int
+net_devmem_bind_dmabuf_to_queue(struct net_device *dev, u32 rxq_idx,
+				struct net_devmem_dmabuf_binding *binding,
+				struct netlink_ext_ack *extack)
+
+{
+	return -EOPNOTSUPP;
+}
+
+static inline void dev_dmabuf_uninstall(struct net_device *dev)
+{
+}
+#endif
+
+#endif /* _NET_DEVMEM_H */
diff --git a/net/core/netdev-genl-gen.c b/net/core/netdev-genl-gen.c
index 6b7fe6035067b16e30a5f97a7aa0062dce8af3d3..b28424ae06d5faf755472a6036671987c21647d8 100644
--- a/net/core/netdev-genl-gen.c
+++ b/net/core/netdev-genl-gen.c
@@ -9,6 +9,7 @@
 #include "netdev-genl-gen.h"
 
 #include <uapi/linux/netdev.h>
+#include <linux/list.h>
 
 /* Integer value ranges */
 static const struct netlink_range_validation netdev_a_page_pool_id_range = {
@@ -187,4 +188,7 @@ struct genl_family netdev_nl_family __ro_after_init = {
 	.n_split_ops	= ARRAY_SIZE(netdev_nl_ops),
 	.mcgrps		= netdev_nl_mcgrps,
 	.n_mcgrps	= ARRAY_SIZE(netdev_nl_mcgrps),
+	.sock_priv_size	= sizeof(struct list_head),
+	.sock_priv_init	= (void *)netdev_nl_sock_priv_init,
+	.sock_priv_destroy = (void *)netdev_nl_sock_priv_destroy,
 };
diff --git a/net/core/netdev-genl-gen.h b/net/core/netdev-genl-gen.h
index 67c34005750c3f4de9f6311157e369b72caaa379..8cda334fd04296ab8352cd69937de2a611c0cbf9 100644
--- a/net/core/netdev-genl-gen.h
+++ b/net/core/netdev-genl-gen.h
@@ -10,6 +10,7 @@
 #include <net/genetlink.h>
 
 #include <uapi/linux/netdev.h>
+#include <linux/list.h>
 
 /* Common nested types */
 extern const struct nla_policy netdev_page_pool_info_nl_policy[NETDEV_A_PAGE_POOL_IFINDEX + 1];
@@ -40,4 +41,7 @@ enum {
 
 extern struct genl_family netdev_nl_family;
 
+void netdev_nl_sock_priv_init(struct list_head *priv);
+void netdev_nl_sock_priv_destroy(struct list_head *priv);
+
 #endif /* _LINUX_NETDEV_GEN_H */
diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c
index 699c34b9b03cc645fb5d42cd0017e87aac77aa8f..9153a8ab0cf8f347b03cf05e4c983fa7a11766a2 100644
--- a/net/core/netdev-genl.c
+++ b/net/core/netdev-genl.c
@@ -3,16 +3,17 @@
 #include <linux/netdevice.h>
 #include <linux/notifier.h>
 #include <linux/rtnetlink.h>
+#include <net/busy_poll.h>
 #include <net/net_namespace.h>
+#include <net/netdev_queues.h>
+#include <net/netdev_rx_queue.h>
 #include <net/sock.h>
 #include <net/xdp.h>
 #include <net/xdp_sock.h>
-#include <net/netdev_rx_queue.h>
-#include <net/netdev_queues.h>
-#include <net/busy_poll.h>
 
-#include "netdev-genl-gen.h"
 #include "dev.h"
+#include "devmem.h"
+#include "netdev-genl-gen.h"
 
 struct netdev_nl_dump_ctx {
 	unsigned long	ifindex;
@@ -723,10 +724,127 @@ int netdev_nl_qstats_get_dumpit(struct sk_buff *skb,
 	return err;
 }
 
-/* Stub */
 int netdev_nl_bind_rx_doit(struct sk_buff *skb, struct genl_info *info)
 {
+	struct nlattr *tb[ARRAY_SIZE(netdev_queue_id_nl_policy)];
+	struct net_devmem_dmabuf_binding *binding;
+	struct list_head *sock_binding_list;
+	u32 ifindex, dmabuf_fd, rxq_idx;
+	struct net_device *netdev;
+	struct sk_buff *rsp;
+	struct nlattr *attr;
+	int rem, err = 0;
+	void *hdr;
+
+	if (GENL_REQ_ATTR_CHECK(info, NETDEV_A_DEV_IFINDEX) ||
+	    GENL_REQ_ATTR_CHECK(info, NETDEV_A_DMABUF_FD) ||
+	    GENL_REQ_ATTR_CHECK(info, NETDEV_A_DMABUF_QUEUES))
+		return -EINVAL;
+
+	ifindex = nla_get_u32(info->attrs[NETDEV_A_DEV_IFINDEX]);
+	dmabuf_fd = nla_get_u32(info->attrs[NETDEV_A_DMABUF_FD]);
+
+	sock_binding_list = genl_sk_priv_get(&netdev_nl_family,
+					     NETLINK_CB(skb).sk);
+	if (IS_ERR(sock_binding_list))
+		return PTR_ERR(sock_binding_list);
+
+	rsp = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL);
+	if (!rsp)
+		return -ENOMEM;
+
+	hdr = genlmsg_iput(rsp, info);
+	if (!hdr) {
+		err = -EMSGSIZE;
+		goto err_genlmsg_free;
+	}
+
+	rtnl_lock();
+
+	netdev = __dev_get_by_index(genl_info_net(info), ifindex);
+	if (!netdev || !netif_device_present(netdev)) {
+		err = -ENODEV;
+		goto err_unlock;
+	}
+
+	if (dev_xdp_prog_count(netdev)) {
+		NL_SET_ERR_MSG(info->extack, "unable to bind dmabuf to device with XDP program attached");
+		err = -EEXIST;
+		goto err_unlock;
+	}
+
+	binding = net_devmem_bind_dmabuf(netdev, dmabuf_fd, info->extack);
+	if (IS_ERR(binding)) {
+		err = PTR_ERR(binding);
+		goto err_unlock;
+	}
+
+	nla_for_each_attr_type(attr, NETDEV_A_DMABUF_QUEUES,
+			       genlmsg_data(info->genlhdr),
+			       genlmsg_len(info->genlhdr), rem) {
+		err = nla_parse_nested(
+			tb, ARRAY_SIZE(netdev_queue_id_nl_policy) - 1, attr,
+			netdev_queue_id_nl_policy, info->extack);
+		if (err < 0)
+			goto err_unbind;
+
+		if (NL_REQ_ATTR_CHECK(info->extack, attr, tb, NETDEV_A_QUEUE_ID) ||
+		    NL_REQ_ATTR_CHECK(info->extack, attr, tb, NETDEV_A_QUEUE_TYPE)) {
+			err = -EINVAL;
+			goto err_unbind;
+		}
+
+		if (nla_get_u32(tb[NETDEV_A_QUEUE_TYPE]) != NETDEV_QUEUE_TYPE_RX) {
+			NL_SET_BAD_ATTR(info->extack, tb[NETDEV_A_QUEUE_TYPE]);
+			err = -EINVAL;
+			goto err_unbind;
+		}
+
+		rxq_idx = nla_get_u32(tb[NETDEV_A_QUEUE_ID]);
+
+		err = net_devmem_bind_dmabuf_to_queue(netdev, rxq_idx, binding,
+						      info->extack);
+		if (err)
+			goto err_unbind;
+	}
+
+	list_add(&binding->list, sock_binding_list);
+
+	nla_put_u32(rsp, NETDEV_A_DMABUF_ID, binding->id);
+	genlmsg_end(rsp, hdr);
+
+	err = genlmsg_reply(rsp, info);
+	if (err)
+		goto err_unbind;
+
+	rtnl_unlock();
+
 	return 0;
+
+err_unbind:
+	net_devmem_unbind_dmabuf(binding);
+err_unlock:
+	rtnl_unlock();
+err_genlmsg_free:
+	nlmsg_free(rsp);
+	return err;
+}
+
+void netdev_nl_sock_priv_init(struct list_head *priv)
+{
+	INIT_LIST_HEAD(priv);
+}
+
+void netdev_nl_sock_priv_destroy(struct list_head *priv)
+{
+	struct net_devmem_dmabuf_binding *binding;
+	struct net_devmem_dmabuf_binding *temp;
+
+	list_for_each_entry_safe(binding, temp, priv, list) {
+		rtnl_lock();
+		net_devmem_unbind_dmabuf(binding);
+		rtnl_unlock();
+	}
 }
 
 static int netdev_genl_netdevice_event(struct notifier_block *nb,
diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index 6c245e59bbc17a73ee6631c19a18a9ecde511f95..dd345efa114bc95aad298951b88442ba72b74613 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -655,6 +655,7 @@ int ethtool_check_max_channel(struct net_device *dev,
 {
 	u64 max_rxnfc_in_use;
 	u32 max_rxfh_in_use;
+	int max_mp_in_use;
 
 	/* ensure the new Rx count fits within the configured Rx flow
 	 * indirection table/rxnfc settings
@@ -673,6 +674,13 @@ int ethtool_check_max_channel(struct net_device *dev,
 		return -EINVAL;
 	}
 
+	max_mp_in_use = dev_get_min_mp_channel_count(dev);
+	if (channels.combined_count + channels.rx_count <= max_mp_in_use) {
+		if (info)
+			GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use);
+		return -EINVAL;
+	}
+
 	return 0;
 }
 
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index c0e0204b9630450534f0c32527d40ff02d8175cf..6b2756f956293819e10d1c83c25467bb5d88e30b 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -211,6 +211,11 @@ int xp_assign_dev(struct xsk_buff_pool *pool,
 		goto err_unreg_pool;
 	}
 
+	if (dev_get_min_mp_channel_count(netdev)) {
+		err = -EBUSY;
+		goto err_unreg_pool;
+	}
+
 	bpf.command = XDP_SETUP_XSK_POOL;
 	bpf.xsk.pool = pool;
 	bpf.xsk.queue_id = queue_id;