diff options
Diffstat (limited to 'net/mptcp/protocol.h')
| -rw-r--r-- | net/mptcp/protocol.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 29db05467cc3..a1fdb879259a 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -139,6 +139,15 @@ struct mptcp_pm_data { struct work_struct work; }; +struct mptcp_data_frag { + struct list_head list; + u64 data_seq; + int data_len; + int offset; + int overhead; + struct page *page; +}; + /* MPTCP connection sock */ struct mptcp_sock { /* inet_connection_sock must be the first member */ @@ -154,6 +163,7 @@ struct mptcp_sock { spinlock_t join_list_lock; struct work_struct work; struct list_head conn_list; + struct list_head rtx_queue; struct list_head join_list; struct skb_ext *cached_ext; /* for the next sendmsg */ struct socket *subflow; /* outgoing connect/listener/!mp_capable */ @@ -169,6 +179,16 @@ static inline struct mptcp_sock *mptcp_sk(const struct sock *sk) return (struct mptcp_sock *)sk; } +static inline struct mptcp_data_frag *mptcp_rtx_tail(const struct sock *sk) +{ + struct mptcp_sock *msk = mptcp_sk(sk); + + if (list_empty(&msk->rtx_queue)) + return NULL; + + return list_last_entry(&msk->rtx_queue, struct mptcp_data_frag, list); +} + struct mptcp_subflow_request_sock { struct tcp_request_sock sk; u16 mp_capable : 1, |