Merge commit '71f0dd5a3293d75d26d405ffbaedfdda4836af32' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next into for-6.15/io_uring-rx-zc

Merge networking zerocopy receive tree, to get the prep patches for
the io_uring rx zc support.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (63 commits)
  net: add helpers for setting a memory provider on an rx queue
  net: page_pool: add memory provider helpers
  net: prepare for non devmem TCP memory providers
  net: page_pool: add a mp hook to unregister_netdevice*
  net: page_pool: add callback for mp info printing
  netdev: add io_uring memory provider info
  net: page_pool: create hooks for custom memory providers
  net: generalise net_iov chunk owners
  net: prefix devmem specific helpers
  net: page_pool: don't cast mp param to devmem
  tools: ynl: add all headers to makefile deps
  eth: fbnic: set IFF_UNICAST_FLT to avoid enabling promiscuous mode when adding unicast addrs
  eth: fbnic: add MAC address TCAM to debugfs
  tools: ynl-gen: support limits using definitions
  tools: ynl-gen: don't output external constants
  net/mlx5e: Avoid WARN_ON when configuring MQPRIO with HTB offload enabled
  net/mlx5e: Remove unused mlx5e_tc_flow_action struct
  net/mlx5: Remove stray semicolon in LAG port selection table creation
  net/mlx5e: Support FEC settings for 200G per lane link modes
  net/mlx5: Add support for 200Gbps per lane link modes
  ...

1 files changed, 6 insertions, 1 deletions

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0d704bda6c41..7f43d31c9400 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2476,6 +2476,11 @@ static int tcp_recvmsg_dmabuf(struct sock *sk, const struct sk_buff *skb,
 			}
 
 			niov = skb_frag_net_iov(frag);
+			if (!net_is_devmem_iov(niov)) {
+				err = -ENODEV;
+				goto out;
+			}
+
 			end = start + skb_frag_size(frag);
 			copy = end - offset;
 
@@ -2494,7 +2499,7 @@ static int tcp_recvmsg_dmabuf(struct sock *sk, const struct sk_buff *skb,
 
 				/* Will perform the exchange later */
 				dmabuf_cmsg.frag_token = tcp_xa_pool.tokens[tcp_xa_pool.idx];
-				dmabuf_cmsg.dmabuf_id = net_iov_binding_id(niov);
+				dmabuf_cmsg.dmabuf_id = net_devmem_iov_binding_id(niov);
 
 				offset += copy;
 				remaining_len -= copy;