# \[PATCH V5 1/6 net-next\] sock.h: Add a new sock zero-copy flag

- From: Shirley Ma \<hidden\>
- Date: 2011-05-16 19:26:38 
- List: netdev
- Page: https://ratatoskr.run/netdev/2011/05/3715825
- Thread: https://ratatoskr.run/netdev/2011/05/3715825/t.md

```text
Signed-off-by: Shirley Ma <redacted>
---

 include/net/sock.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/net/sock.h b/include/net/sock.h
index f2046e4..2229bd1 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -563,6 +563,7 @@ enum sock_flags {
 	SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */
 	SOCK_FASYNC, /* fasync() active */
 	SOCK_RXQ_OVFL,
+	SOCK_ZEROCOPY, /* buffers from userspace */
 };
 
 static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
```