diff options
Diffstat (limited to 'include/uapi/linux/tcp.h')
| -rw-r--r-- | include/uapi/linux/tcp.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index 74a1267baac5..fa49f03e62fe 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -129,6 +129,9 @@ enum { #define TCP_TX_DELAY 37 /* delay outgoing packets by XX usec */ +#define TCP_AO_ADD_KEY 38 /* Add/Set MKT */ +#define TCP_AO_DEL_KEY 39 /* Delete MKT */ +#define TCP_AO_INFO 40 /* Modify TCP-AO per-socket options */ #define TCP_REPAIR_ON 1 #define TCP_REPAIR_OFF 0 @@ -363,6 +366,49 @@ struct tcp_diag_md5sig { #define TCP_AO_MAXKEYLEN 80 +#define TCP_AO_KEYF_IFINDEX (1 << 0) /* L3 ifindex for VRF */ + +struct tcp_ao_add { /* setsockopt(TCP_AO_ADD_KEY) */ + struct __kernel_sockaddr_storage addr; /* peer's address for the key */ + char alg_name[64]; /* crypto hash algorithm to use */ + __s32 ifindex; /* L3 dev index for VRF */ + __u32 set_current :1, /* set key as Current_key at once */ + set_rnext :1, /* request it from peer with RNext_key */ + reserved :30; /* must be 0 */ + __u16 reserved2; /* padding, must be 0 */ + __u8 prefix; /* peer's address prefix */ + __u8 sndid; /* SendID for outgoing segments */ + __u8 rcvid; /* RecvID to match for incoming seg */ + __u8 maclen; /* length of authentication code (hash) */ + __u8 keyflags; /* see TCP_AO_KEYF_ */ + __u8 keylen; /* length of ::key */ + __u8 key[TCP_AO_MAXKEYLEN]; +} __attribute__((aligned(8))); + +struct tcp_ao_del { /* setsockopt(TCP_AO_DEL_KEY) */ + struct __kernel_sockaddr_storage addr; /* peer's address for the key */ + __s32 ifindex; /* L3 dev index for VRF */ + __u32 set_current :1, /* corresponding ::current_key */ + set_rnext :1, /* corresponding ::rnext */ + reserved :30; /* must be 0 */ + __u16 reserved2; /* padding, must be 0 */ + __u8 prefix; /* peer's address prefix */ + __u8 sndid; /* SendID for outgoing segments */ + __u8 rcvid; /* RecvID to match for incoming seg */ + __u8 current_key; /* KeyID to set as Current_key */ + __u8 rnext; /* KeyID to set as Rnext_key */ + __u8 keyflags; /* see TCP_AO_KEYF_ */ +} __attribute__((aligned(8))); + +struct tcp_ao_info_opt { /* setsockopt(TCP_AO_INFO) */ + __u32 set_current :1, /* corresponding ::current_key */ + set_rnext :1, /* corresponding ::rnext */ + ao_required :1, /* don't accept non-AO connects */ + reserved :29; /* must be 0 */ + __u8 current_key; /* KeyID to set as Current_key */ + __u8 rnext; /* KeyID to set as Rnext_key */ +} __attribute__((aligned(8))); + /* setsockopt(fd, IPPROTO_TCP, TCP_ZEROCOPY_RECEIVE, ...) */ #define TCP_RECEIVE_ZEROCOPY_FLAG_TLB_CLEAN_HINT 0x1 |