From 740ebe35bd3f5c4ff8ec60e5e521e47ea8f5492c Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Mon, 21 Aug 2023 15:25:14 -0700 Subject: mptcp: add struct mptcp_sched_ops This patch defines struct mptcp_sched_ops, which has three struct members, name, owner and list, and four function pointers: init(), release() and get_subflow(). The scheduler function get_subflow() have a struct mptcp_sched_data parameter, which contains a reinject flag for retrans or not, a subflows number and a mptcp_subflow_context array. Add the scheduler registering, unregistering and finding functions to add, delete and find a packet scheduler on the global list mptcp_sched_list. Acked-by: Paolo Abeni Reviewed-by: Mat Martineau Signed-off-by: Geliang Tang Signed-off-by: Mat Martineau Link: https://lore.kernel.org/r/20230821-upstream-net-next-20230818-v1-3-0c860fb256a8@kernel.org Signed-off-by: Jakub Kicinski --- net/mptcp/protocol.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net/mptcp/protocol.h') diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index cbf9a9e176b2..985e8f86668d 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -655,6 +655,9 @@ int mptcp_subflow_create_socket(struct sock *sk, unsigned short family, void mptcp_info2sockaddr(const struct mptcp_addr_info *info, struct sockaddr_storage *addr, unsigned short family); +struct mptcp_sched_ops *mptcp_sched_find(const char *name); +int mptcp_register_scheduler(struct mptcp_sched_ops *sched); +void mptcp_unregister_scheduler(struct mptcp_sched_ops *sched); static inline bool __tcp_can_send(const struct sock *ssk) { -- cgit v1.2.3