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authorJennifer Hunt <jenhunt@us.ibm.com>2007-02-08 13:51:54 -0800
committerDavid S. Miller <davem@davemloft.net>2007-02-08 13:51:54 -0800
commiteac3731bd04c7131478722a3c148b78774553116 (patch)
tree66c1ce279bbd586e3fcf417cfd6057db3df296ae /include
parent5da5e658debb7deddbfe5c133c76db3be0a3e12c (diff)
downloadlinux-linaro-stable-eac3731bd04c7131478722a3c148b78774553116.tar.gz
[S390]: Add AF_IUCV socket support
From: Jennifer Hunt <jenhunt@us.ibm.com> This patch adds AF_IUCV socket support. Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/net.h2
-rw-r--r--include/linux/socket.h4
-rw-r--r--include/net/iucv/af_iucv.h106
3 files changed, 110 insertions, 2 deletions
diff --git a/include/linux/net.h b/include/linux/net.h
index f28d8a2e2c91..4db21e63d8d2 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -24,7 +24,7 @@
struct poll_table_struct;
struct inode;
-#define NPROTO 32 /* should be enough for now.. */
+#define NPROTO 33 /* should be enough for now.. */
#define SYS_SOCKET 1 /* sys_socket(2) */
#define SYS_BIND 2 /* sys_bind(2) */
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 92cd38efad7f..fcd35a210e7f 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -187,7 +187,8 @@ struct ucred {
#define AF_LLC 26 /* Linux LLC */
#define AF_TIPC 30 /* TIPC sockets */
#define AF_BLUETOOTH 31 /* Bluetooth sockets */
-#define AF_MAX 32 /* For now.. */
+#define AF_IUCV 32 /* IUCV sockets */
+#define AF_MAX 33 /* For now.. */
/* Protocol families, same as address families. */
#define PF_UNSPEC AF_UNSPEC
@@ -220,6 +221,7 @@ struct ucred {
#define PF_LLC AF_LLC
#define PF_TIPC AF_TIPC
#define PF_BLUETOOTH AF_BLUETOOTH
+#define PF_IUCV AF_IUCV
#define PF_MAX AF_MAX
/* Maximum queue length specifiable by listen. */
diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h
new file mode 100644
index 000000000000..04d1abb72d25
--- /dev/null
+++ b/include/net/iucv/af_iucv.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2006 IBM Corporation
+ * IUCV protocol stack for Linux on zSeries
+ * Version 1.0
+ * Author(s): Jennifer Hunt <jenhunt@us.ibm.com>
+ *
+ */
+
+#ifndef __AFIUCV_H
+#define __AFIUCV_H
+
+#include <asm/types.h>
+#include <asm/byteorder.h>
+#include <linux/list.h>
+#include <linux/poll.h>
+#include <linux/socket.h>
+
+#ifndef AF_IUCV
+#define AF_IUCV 32
+#define PF_IUCV AF_IUCV
+#endif
+
+/* Connection and socket states */
+enum {
+ IUCV_CONNECTED = 1,
+ IUCV_OPEN,
+ IUCV_BOUND,
+ IUCV_LISTEN,
+ IUCV_SEVERED,
+ IUCV_DISCONN,
+ IUCV_CLOSED
+};
+
+#define IUCV_QUEUELEN_DEFAULT 65535
+#define IUCV_CONN_TIMEOUT (HZ * 40)
+#define IUCV_DISCONN_TIMEOUT (HZ * 2)
+#define IUCV_CONN_IDLE_TIMEOUT (HZ * 60)
+#define IUCV_BUFSIZE_DEFAULT 32768
+
+/* IUCV socket address */
+struct sockaddr_iucv {
+ sa_family_t siucv_family;
+ unsigned short siucv_port; /* Reserved */
+ unsigned int siucv_addr; /* Reserved */
+ char siucv_nodeid[8]; /* Reserved */
+ char siucv_user_id[8]; /* Guest User Id */
+ char siucv_name[8]; /* Application Name */
+};
+
+
+/* Common socket structures and functions */
+
+#define iucv_sk(__sk) ((struct iucv_sock *) __sk)
+
+struct iucv_sock {
+ struct sock sk;
+ char src_user_id[8];
+ char src_name[8];
+ char dst_user_id[8];
+ char dst_name[8];
+ struct list_head accept_q;
+ struct sock *parent;
+ struct iucv_path *path;
+ struct sk_buff_head send_skb_q;
+ unsigned int send_tag;
+};
+
+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);
+
+#endif /* __IUCV_H */