diff options
Diffstat (limited to 'device/net_io.h')
| -rw-r--r-- | device/net_io.h | 70 |
1 files changed, 68 insertions, 2 deletions
diff --git a/device/net_io.h b/device/net_io.h index 073bdca7..d4e24d41 100644 --- a/device/net_io.h +++ b/device/net_io.h @@ -38,7 +38,7 @@ #include <mach/machine/vm_types.h> #include <ipc/ipc_kmsg.h> -#include <kern/macro_help.h> +#include <kern/macros.h> #include <kern/lock.h> #include <kern/kalloc.h> @@ -46,6 +46,15 @@ #include <device/io_req.h> #include <device/net_status.h> +struct net_rcv_port; +typedef struct net_rcv_port *net_rcv_port_t; + +struct net_hash_entry; +typedef struct net_hash_entry *net_hash_entry_t; + +struct net_hash_header; +typedef struct net_hash_header *net_hash_header_t; + /* * A network packet is wrapped in a kernel message while in * the kernel. @@ -65,7 +74,7 @@ extern void net_kmsg_put(ipc_kmsg_t); * Network utility routines. */ -extern void net_ast(); +extern void net_ast(void); extern void net_packet(struct ifnet *, ipc_kmsg_t, unsigned int, boolean_t); extern void net_filter(ipc_kmsg_t, ipc_kmsg_queue_t); extern io_return_t net_getstat(struct ifnet *, dev_flavor_t, dev_status_t, @@ -80,7 +89,64 @@ extern vm_size_t net_kmsg_size; extern void net_kmsg_collect (void); +extern void net_io_init(void); +extern void net_thread(void) __attribute__ ((noreturn)); + #define net_kmsg_alloc() ((ipc_kmsg_t) kalloc(net_kmsg_size)) #define net_kmsg_free(kmsg) kfree((vm_offset_t) (kmsg), net_kmsg_size) +extern unsigned int ntohl(unsigned int); +extern unsigned short int ntohs(unsigned short int); +extern unsigned int htonl(unsigned int); +extern unsigned short int htons(unsigned short int); + +unsigned int bpf_hash(int n, const unsigned int *keys); + +extern boolean_t +net_do_filter( + net_rcv_port_t infp, + const char * data, + unsigned int data_count, + const char * header); /* CSPF */ + +extern int +bpf_do_filter( + net_rcv_port_t infp, + char * p, + unsigned int wirelen, + char * header, + unsigned int hlen, + net_hash_entry_t **hash_headpp, + net_hash_entry_t *entpp); /* BPF */ + +int hash_ent_remove( + struct ifnet *ifp, + net_hash_header_t hp, + int used, + net_hash_entry_t *head, + net_hash_entry_t entp, + queue_entry_t *dead_p); + +void net_free_dead_infp(queue_entry_t dead_infp); +void net_free_dead_entp (queue_entry_t dead_entp); + +int bpf_validate( + bpf_insn_t f, + int bytes, + bpf_insn_t *match); + +int bpf_eq( + bpf_insn_t f1, + bpf_insn_t f2, + int bytes); + +int net_add_q_info(ipc_port_t rcv_port); + +int bpf_match ( + net_hash_header_t hash, + int n_keys, + const unsigned int *keys, + net_hash_entry_t **hash_headpp, + net_hash_entry_t *entpp); + #endif /* _DEVICE_NET_IO_H_ */ |