diff options
Diffstat (limited to 'include/uapi/linux/tcp.h')
| -rw-r--r-- | include/uapi/linux/tcp.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index cfcb10b75483..13ceeb395eb8 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -343,11 +343,15 @@ struct tcp_diag_md5sig { /* setsockopt(fd, IPPROTO_TCP, TCP_ZEROCOPY_RECEIVE, ...) */ +#define TCP_RECEIVE_ZEROCOPY_FLAG_TLB_CLEAN_HINT 0x1 struct tcp_zerocopy_receive { __u64 address; /* in: address of mapping */ __u32 length; /* in/out: number of bytes to map/mapped */ __u32 recv_skip_hint; /* out: amount of bytes to skip */ __u32 inq; /* out: amount of bytes in read queue */ __s32 err; /* out: socket error */ + __u64 copybuf_address; /* in: copybuf address (small reads) */ + __s32 copybuf_len; /* in/out: copybuf bytes avail/used or error */ + __u32 flags; /* in: flags */ }; #endif /* _UAPI_LINUX_TCP_H */ |