RFC PATCH 1/2] macvtap: A new sock zero copy flag

Shirley Ma
2010-09-13T20:47:08Z

/* Add a new flag to support sock zero copy from user space to kernel */

Signed-off-by: Shirley Ma <xma@us.ibm.com>
---

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 adab9dc..80172de 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -543,6 +543,7 @@ enum sock_flags {
SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */
SOCK_FASYNC, /* fasync() active */
SOCK_RXQ_OVFL,
+ SOCK_ZEROCOPY, /* zerocopy from user space to kernel */
};

static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)