#ifndef _NETINET_MP_PCB_H_
#define _NETINET_MP_PCB_H_
#ifdef BSD_KERNEL_PRIVATE
#include <sys/domain.h>
#include <sys/protosw.h>
#include <sys/socketvar.h>
#include <sys/types.h>
#include <sys/queue.h>
#include <kern/locks.h>
typedef enum mppcb_state {
MPPCB_STATE_INUSE = 1,
MPPCB_STATE_DEAD = 2,
} mppcb_state_t;
struct mppcb {
TAILQ_ENTRY(mppcb) mpp_entry;
decl_lck_mtx_data(, mpp_lock);
struct mppcbinfo *mpp_pcbinfo;
struct mptses *mpp_pcbe;
struct socket *mpp_socket;
uint32_t mpp_flags;
mppcb_state_t mpp_state;
int32_t mpp_inside;
#if NECP
uuid_t necp_client_uuid;
void (*necp_cb)(void *, int, uint32_t, uint32_t, bool *);
#endif
};
static inline struct mppcb *
mpsotomppcb(struct socket *mp_so)
{
VERIFY(SOCK_DOM(mp_so) == PF_MULTIPATH);
return (struct mppcb *)mp_so->so_pcb;
}
#define MPP_ATTACHED 0x001
#define MPP_INSIDE_OUTPUT 0x002
#define MPP_INSIDE_INPUT 0x004
#define MPP_INPUT_HANDLE 0x008
#define MPP_WUPCALL 0x010
#define MPP_SHOULD_WORKLOOP 0x020
#define MPP_SHOULD_RWAKEUP 0x040
#define MPP_SHOULD_WWAKEUP 0x080
#define MPP_CREATE_SUBFLOWS 0x100
static inline boolean_t
mptcp_should_defer_upcall(struct mppcb *mpp)
{
return !!(mpp->mpp_flags & (MPP_INSIDE_OUTPUT | MPP_INSIDE_INPUT | MPP_INPUT_HANDLE | MPP_WUPCALL));
}
struct mppcbinfo {
TAILQ_ENTRY(mppcbinfo) mppi_entry;
TAILQ_HEAD(, mppcb) mppi_pcbs;
uint32_t mppi_count;
struct zone *mppi_zone;
uint32_t mppi_size;
lck_grp_t *mppi_lock_grp;
lck_attr_t *mppi_lock_attr;
lck_grp_attr_t *mppi_lock_grp_attr;
decl_lck_mtx_data(, mppi_lock);
uint32_t (*mppi_gc)(struct mppcbinfo *);
uint32_t (*mppi_timer)(struct mppcbinfo *);
};
__BEGIN_DECLS
extern void mp_pcbinit(void);
extern void mp_pcbinfo_attach(struct mppcbinfo *);
extern int mp_pcbinfo_detach(struct mppcbinfo *);
extern int mp_pcballoc(struct socket *, struct mppcbinfo *);
extern void mp_pcbdetach(struct socket *);
extern void mp_pcbdispose(struct mppcb *);
extern void mp_gc_sched(void);
extern void mptcp_timer_sched(void);
extern void mptcp_handle_deferred_upcalls(struct mppcb *mpp, uint32_t flag);
extern int mp_getsockaddr(struct socket *mp_so, struct sockaddr **nam);
extern int mp_getpeeraddr(struct socket *mp_so, struct sockaddr **nam);
#if NECP
extern int necp_client_register_multipath_cb(pid_t pid, uuid_t client_id, struct mppcb *mpp);
extern void necp_mppcb_dispose(struct mppcb *mpp);
#endif
__END_DECLS
#endif
#endif