diff options
Diffstat (limited to 'include/net/iucv/af_iucv.h')
| -rw-r--r-- | include/net/iucv/af_iucv.h | 105 |
1 files changed, 80 insertions, 25 deletions
diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h index f9bd11be189..714cc9a54a4 100644 --- a/include/net/iucv/af_iucv.h +++ b/include/net/iucv/af_iucv.h @@ -14,6 +14,7 @@ #include <linux/list.h> #include <linux/poll.h> #include <linux/socket.h> +#include <net/iucv/iucv.h> #ifndef AF_IUCV #define AF_IUCV 32 @@ -26,13 +27,13 @@ enum { IUCV_OPEN, IUCV_BOUND, IUCV_LISTEN, - IUCV_SEVERED, IUCV_DISCONN, IUCV_CLOSING, IUCV_CLOSED }; #define IUCV_QUEUELEN_DEFAULT 65535 +#define IUCV_HIPER_MSGLIM_DEFAULT 128 #define IUCV_CONN_TIMEOUT (HZ * 40) #define IUCV_DISCONN_TIMEOUT (HZ * 2) #define IUCV_CONN_IDLE_TIMEOUT (HZ * 60) @@ -50,9 +51,59 @@ struct sockaddr_iucv { /* Common socket structures and functions */ +struct sock_msg_q { + struct iucv_path *path; + struct iucv_message msg; + struct list_head list; + spinlock_t lock; +}; + +#define AF_IUCV_FLAG_ACK 0x1 +#define AF_IUCV_FLAG_SYN 0x2 +#define AF_IUCV_FLAG_FIN 0x4 +#define AF_IUCV_FLAG_WIN 0x8 +#define AF_IUCV_FLAG_SHT 0x10 + +struct af_iucv_trans_hdr { + u16 magic; + u8 version; + u8 flags; + u16 window; + char destNodeID[8]; + char destUserID[8]; + char destAppName[16]; + char srcNodeID[8]; + char srcUserID[8]; + char srcAppName[16]; /* => 70 bytes */ + struct iucv_message iucv_hdr; /* => 33 bytes */ + u8 pad; /* total 104 bytes */ +} __packed; + +enum iucv_tx_notify { + /* transmission of skb is completed and was successful */ + TX_NOTIFY_OK = 0, + /* target is unreachable */ + TX_NOTIFY_UNREACHABLE = 1, + /* transfer pending queue full */ + TX_NOTIFY_TPQFULL = 2, + /* general error */ + TX_NOTIFY_GENERALERROR = 3, + /* transmission of skb is pending - may interleave + * with TX_NOTIFY_DELAYED_* */ + TX_NOTIFY_PENDING = 4, + /* transmission of skb was done successfully (delayed) */ + TX_NOTIFY_DELAYED_OK = 5, + /* target unreachable (detected delayed) */ + TX_NOTIFY_DELAYED_UNREACHABLE = 6, + /* general error (detected delayed) */ + TX_NOTIFY_DELAYED_GENERALERROR = 7, +}; #define iucv_sk(__sk) ((struct iucv_sock *) __sk) +#define AF_IUCV_TRANS_IUCV 0 +#define AF_IUCV_TRANS_HIPER 1 + struct iucv_sock { struct sock sk; char src_user_id[8]; @@ -60,47 +111,51 @@ struct iucv_sock { char dst_user_id[8]; char dst_name[8]; struct list_head accept_q; + spinlock_t accept_q_lock; struct sock *parent; struct iucv_path *path; + struct net_device *hs_dev; struct sk_buff_head send_skb_q; struct sk_buff_head backlog_skb_q; + struct sock_msg_q message_q; unsigned int send_tag; + u8 flags; + u16 msglimit; + u16 msglimit_peer; + atomic_t msg_sent; + atomic_t msg_recv; + atomic_t pendings; + int transport; + void (*sk_txnotify)(struct sk_buff *skb, + enum iucv_tx_notify n); }; +struct iucv_skb_cb { + u32 class; /* target class of message */ + u32 tag; /* tag associated with message */ + u32 offset; /* offset for skb receival */ +}; + +#define IUCV_SKB_CB(__skb) ((struct iucv_skb_cb *)&((__skb)->cb[0])) + +/* iucv socket options (SOL_IUCV) */ +#define SO_IPRMDATA_MSG 0x0080 /* send/recv IPRM_DATA msgs */ +#define SO_MSGLIMIT 0x1000 /* get/set IUCV MSGLIMIT */ +#define SO_MSGSIZE 0x0800 /* get maximum msgsize */ + +/* iucv related control messages (scm) */ +#define SCM_IUCV_TRGCLS 0x0001 /* target class control message */ + struct iucv_sock_list { struct hlist_head head; rwlock_t lock; atomic_t autobind_name; }; -static void iucv_sock_destruct(struct sock *sk); -static void iucv_sock_cleanup_listen(struct sock *parent); -static void iucv_sock_kill(struct sock *sk); -static void iucv_sock_close(struct sock *sk); -static int iucv_sock_create(struct socket *sock, int proto); -static int iucv_sock_bind(struct socket *sock, struct sockaddr *addr, - int addr_len); -static int iucv_sock_connect(struct socket *sock, struct sockaddr *addr, - int alen, int flags); -static int iucv_sock_listen(struct socket *sock, int backlog); -static int iucv_sock_accept(struct socket *sock, struct socket *newsock, - int flags); -static int iucv_sock_getname(struct socket *sock, struct sockaddr *addr, - int *len, int peer); -static int iucv_sock_sendmsg(struct kiocb *iocb, struct socket *sock, - struct msghdr *msg, size_t len); -static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock, - struct msghdr *msg, size_t len, int flags); unsigned int iucv_sock_poll(struct file *file, struct socket *sock, poll_table *wait); -static int iucv_sock_release(struct socket *sock); -static int iucv_sock_shutdown(struct socket *sock, int how); - void iucv_sock_link(struct iucv_sock_list *l, struct sock *s); void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s); -int iucv_sock_wait_state(struct sock *sk, int state, int state2, - unsigned long timeo); -int iucv_sock_wait_cnt(struct sock *sk, unsigned long timeo); void iucv_accept_enqueue(struct sock *parent, struct sock *sk); void iucv_accept_unlink(struct sock *sk); struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock); |