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authorDavid S. Miller <davem@davemloft.net>2021-02-11 00:30:12 +0300
committerDavid S. Miller <davem@davemloft.net>2021-02-11 00:30:12 +0300
commitdc9d87581d464e7b7d38853d6904b70b6c920d99 (patch)
tree15aa27fefb867814899c0a0c194adf327675ba10 /include/linux/uio.h
parentde1db4a6ed6241e34cab0e5059d4b56f6bae39b9 (diff)
parent291009f656e8eaebbdfd3a8d99f6b190a9ce9deb (diff)
downloadlinux-dc9d87581d464e7b7d38853d6904b70b6c920d99.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Diffstat (limited to 'include/linux/uio.h')
-rw-r--r--include/linux/uio.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/uio.h b/include/linux/uio.h
index 72d88566694e..27ff8eb786dc 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -260,7 +260,13 @@ static inline void iov_iter_reexpand(struct iov_iter *i, size_t count)
{
i->count = count;
}
-size_t csum_and_copy_to_iter(const void *addr, size_t bytes, void *csump, struct iov_iter *i);
+
+struct csum_state {
+ __wsum csum;
+ size_t off;
+};
+
+size_t csum_and_copy_to_iter(const void *addr, size_t bytes, void *csstate, struct iov_iter *i);
size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
bool csum_and_copy_from_iter_full(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
size_t hash_and_copy_to_iter(const void *addr, size_t bytes, void *hashp,