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Diffstat (limited to 'net/mptcp/protocol.h')
-rw-r--r--net/mptcp/protocol.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 8d4761ae3951..ef94e36b8560 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -17,6 +17,9 @@
#define OPTION_MPTCP_MPC_SYN BIT(0)
#define OPTION_MPTCP_MPC_SYNACK BIT(1)
#define OPTION_MPTCP_MPC_ACK BIT(2)
+#define OPTION_MPTCP_MPJ_SYN BIT(3)
+#define OPTION_MPTCP_MPJ_SYNACK BIT(4)
+#define OPTION_MPTCP_MPJ_ACK BIT(5)
#define OPTION_MPTCP_ADD_ADDR BIT(6)
#define OPTION_MPTCP_ADD_ADDR6 BIT(7)
#define OPTION_MPTCP_RM_ADDR BIT(8)
@@ -36,6 +39,9 @@
#define TCPOLEN_MPTCP_MPC_SYNACK 12
#define TCPOLEN_MPTCP_MPC_ACK 20
#define TCPOLEN_MPTCP_MPC_ACK_DATA 22
+#define TCPOLEN_MPTCP_MPJ_SYN 12
+#define TCPOLEN_MPTCP_MPJ_SYNACK 16
+#define TCPOLEN_MPTCP_MPJ_ACK 24
#define TCPOLEN_MPTCP_DSS_BASE 4
#define TCPOLEN_MPTCP_DSS_ACK32 4
#define TCPOLEN_MPTCP_DSS_ACK64 8
@@ -53,6 +59,9 @@
#define TCPOLEN_MPTCP_PORT_LEN 2
#define TCPOLEN_MPTCP_RM_ADDR_BASE 4
+#define MPTCPOPT_BACKUP BIT(0)
+#define MPTCPOPT_HMAC_LEN 20
+
/* MPTCP MP_CAPABLE flags */
#define MPTCP_VERSION_MASK (0x0F)
#define MPTCP_CAP_CHECKSUM_REQD BIT(7)
@@ -162,11 +171,15 @@ struct mptcp_subflow_request_sock {
backup : 1,
remote_key_valid : 1;
u8 local_id;
+ u8 remote_id;
u64 local_key;
u64 remote_key;
u64 idsn;
u32 token;
u32 ssn_offset;
+ u64 thmac;
+ u32 local_nonce;
+ u32 remote_nonce;
};
static inline struct mptcp_subflow_request_sock *
@@ -190,15 +203,23 @@ struct mptcp_subflow_context {
u32 map_data_len;
u32 request_mptcp : 1, /* send MP_CAPABLE */
mp_capable : 1, /* remote is MPTCP capable */
+ mp_join : 1, /* remote is JOINing */
fully_established : 1, /* path validated */
+ pm_notified : 1, /* PM hook called for established status */
conn_finished : 1,
map_valid : 1,
mpc_map : 1,
+ backup : 1,
data_avail : 1,
rx_eof : 1,
data_fin_tx_enable : 1,
can_ack : 1; /* only after processing the remote a key */
u64 data_fin_tx_seq;
+ u32 remote_nonce;
+ u64 thmac;
+ u32 local_nonce;
+ u8 local_id;
+ u8 remote_id;
struct sock *tcp_sock; /* tcp sk backpointer */
struct sock *conn; /* parent mptcp_sock */
@@ -270,11 +291,13 @@ void mptcp_get_options(const struct sk_buff *skb,
void mptcp_finish_connect(struct sock *sk);
void mptcp_data_ready(struct sock *sk, struct sock *ssk);
+bool mptcp_finish_join(struct sock *sk);
int mptcp_token_new_request(struct request_sock *req);
void mptcp_token_destroy_request(u32 token);
int mptcp_token_new_connect(struct sock *sk);
int mptcp_token_new_accept(u32 token, struct sock *conn);
+struct mptcp_sock *mptcp_token_get_sock(u32 token);
void mptcp_token_destroy(u32 token);
void mptcp_crypto_key_sha(u64 key, u32 *token, u64 *idsn);