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authorNiklas Söderlund <niklas.soderlund@corigine.com>2021-08-06 14:28:55 +0200
committerAndrii Nakryiko <andrii@kernel.org>2021-08-07 01:53:27 +0200
commitf4700a62c27161e364f66fdce527e8b04083c444 (patch)
treeec35f978264435c6b5690e857b4ae485621039c7 /samples
parentsamples/bpf: xdpsock: Make the sample more useful outside the tree (diff)
downloadlinux-f4700a62c27161e364f66fdce527e8b04083c444.tar.xz
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samples/bpf: xdpsock: Remove forward declaration of ip_fast_csum()
There is a forward declaration of ip_fast_csum() just before its implementation, remove the unneeded forward declaration. While at it mark the implementation as static inline. Signed-off-by: Niklas Söderlund <niklas.soderlund@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Louis Peens <louis.peens@corigine.com> Link: https://lore.kernel.org/bpf/20210806122855.26115-3-simon.horman@corigine.com
Diffstat (limited to 'samples')
-rw-r--r--samples/bpf/xdpsock_user.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index 7c56a7a784e1..49d7a6ad7e39 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -651,15 +651,13 @@ out:
return result;
}
-__sum16 ip_fast_csum(const void *iph, unsigned int ihl);
-
/*
* This is a version of ip_compute_csum() optimized for IP headers,
* which always checksum on 4 octet boundaries.
* This function code has been taken from
* Linux kernel lib/checksum.c
*/
-__sum16 ip_fast_csum(const void *iph, unsigned int ihl)
+static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
{
return (__sum16)~do_csum(iph, ihl * 4);
}