Test program for AF_KCM

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To: Tom Herbert <tom@xxxxxxxxxxxxxxx>, Tom Herbert <tom@xxxxxxxxxxxxxx>
Subject: Test program for AF_KCM
From: David Howells <dhowells@xxxxxxxxxx>
Date: Fri, 31 Mar 2023 18:37:04 +0100
Cc: dhowells@xxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Chuck Lever III <chuck.lever@xxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, netdev@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20230331160914.1608208-34-dhowells@redhat.com>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903
References: <20230331160914.1608208-34-dhowells@redhat.com> <20230331160914.1608208-1-dhowells@redhat.com>

Hi Tom,

I found a test program for AF_KCM:

	https://gist.githubusercontent.com/peo3/fd0e266a3852d3422c08854aba96bff5/raw/98e02e120bd4b4bc5d499c4510e5879bb3a023d7/kcm-sample.c

I don't suppose you have a version that compiles?  It seems that the userland
BPF API has changed.

Thanks,
David

References:
- [PATCH v3 33/55] kcm: Support MSG_SPLICE_PAGES
  - From: David Howells
- [PATCH v3 00/55] splice, net: Replace sendpage with sendmsg(MSG_SPLICE_PAGES)
  - From: David Howells

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