diff options
Diffstat (limited to 'include/uapi/linux/tcp.h')
| -rw-r--r-- | include/uapi/linux/tcp.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index 379b08700a54..e9e8373b34b9 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -122,6 +122,7 @@ enum { #define TCP_MD5SIG_EXT 32 /* TCP MD5 Signature with extensions */ #define TCP_FASTOPEN_KEY 33 /* Set the key for Fast Open (cookie) */ #define TCP_FASTOPEN_NO_COOKIE 34 /* Enable TFO without a TFO cookie */ +#define TCP_ZEROCOPY_RECEIVE 35 struct tcp_repair_opt { __u32 opt_code; @@ -276,4 +277,11 @@ struct tcp_diag_md5sig { __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN]; }; +/* setsockopt(fd, IPPROTO_TCP, TCP_ZEROCOPY_RECEIVE, ...) */ + +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 */ +}; #endif /* _UAPI_LINUX_TCP_H */ |