diff options
| author | David Ahern <dsahern@kernel.org> | 2022-07-12 23:52:30 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-07-20 00:20:54 +0300 |
| commit | ebe73a284f4de8c5d401adeccd9b8fe3183b6e95 (patch) | |
| tree | 19911b54eaa143e16d4e2a1af73b6e556f404e99 /include/linux/skbuff.h | |
| parent | 7c701d92b2b5e5175dbfec875816474b802b0c45 (diff) | |
| download | linux-ebe73a284f4de8c5d401adeccd9b8fe3183b6e95.tar.xz | |
net: Allow custom iter handler in msghdr
Add support for custom iov_iter handling to msghdr. The idea is that
in-kernel subsystems want control over how an SG is split.
Signed-off-by: David Ahern <dsahern@kernel.org>
[pavel: move callback into msghdr]
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 8e12b3b9ad6c..a8a2dd4cfdfd 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1776,13 +1776,14 @@ void msg_zerocopy_put_abort(struct ubuf_info *uarg, bool have_uref); void msg_zerocopy_callback(struct sk_buff *skb, struct ubuf_info *uarg, bool success); -int __zerocopy_sg_from_iter(struct sock *sk, struct sk_buff *skb, - struct iov_iter *from, size_t length); +int __zerocopy_sg_from_iter(struct msghdr *msg, struct sock *sk, + struct sk_buff *skb, struct iov_iter *from, + size_t length); static inline int skb_zerocopy_iter_dgram(struct sk_buff *skb, struct msghdr *msg, int len) { - return __zerocopy_sg_from_iter(skb->sk, skb, &msg->msg_iter, len); + return __zerocopy_sg_from_iter(msg, skb->sk, skb, &msg->msg_iter, len); } int skb_zerocopy_iter_stream(struct sock *sk, struct sk_buff *skb, |