summaryrefslogtreecommitdiffstats
path: root/include/net/phonet
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/phonet')
-rw-r--r--include/net/phonet/gprs.h38
-rw-r--r--include/net/phonet/pep.h169
-rw-r--r--include/net/phonet/phonet.h121
-rw-r--r--include/net/phonet/pn_dev.h62
4 files changed, 390 insertions, 0 deletions
diff --git a/include/net/phonet/gprs.h b/include/net/phonet/gprs.h
new file mode 100644
index 000000000..bcd525e39
--- /dev/null
+++ b/include/net/phonet/gprs.h
@@ -0,0 +1,38 @@
+/*
+ * File: pep_gprs.h
+ *
+ * GPRS over Phonet pipe end point socket
+ *
+ * Copyright (C) 2008 Nokia Corporation.
+ *
+ * Author: Rémi Denis-Courmont
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef NET_PHONET_GPRS_H
+#define NET_PHONET_GPRS_H
+
+struct sock;
+struct sk_buff;
+
+int pep_writeable(struct sock *sk);
+int pep_write(struct sock *sk, struct sk_buff *skb);
+struct sk_buff *pep_read(struct sock *sk);
+
+int gprs_attach(struct sock *sk);
+void gprs_detach(struct sock *sk);
+
+#endif
diff --git a/include/net/phonet/pep.h b/include/net/phonet/pep.h
new file mode 100644
index 000000000..98f31c7ea
--- /dev/null
+++ b/include/net/phonet/pep.h
@@ -0,0 +1,169 @@
+/*
+ * File: pep.h
+ *
+ * Phonet Pipe End Point sockets definitions
+ *
+ * Copyright (C) 2008 Nokia Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef NET_PHONET_PEP_H
+#define NET_PHONET_PEP_H
+
+struct pep_sock {
+ struct pn_sock pn_sk;
+
+ /* XXX: union-ify listening vs connected stuff ? */
+ /* Listening socket stuff: */
+ struct hlist_head hlist;
+
+ /* Connected socket stuff: */
+ struct sock *listener;
+ struct sk_buff_head ctrlreq_queue;
+#define PNPIPE_CTRLREQ_MAX 10
+ atomic_t tx_credits;
+ int ifindex;
+ u16 peer_type; /* peer type/subtype */
+ u8 pipe_handle;
+
+ u8 rx_credits;
+ u8 rx_fc; /* RX flow control */
+ u8 tx_fc; /* TX flow control */
+ u8 init_enable; /* auto-enable at creation */
+ u8 aligned;
+};
+
+static inline struct pep_sock *pep_sk(struct sock *sk)
+{
+ return (struct pep_sock *)sk;
+}
+
+extern const struct proto_ops phonet_stream_ops;
+
+/* Pipe protocol definitions */
+struct pnpipehdr {
+ u8 utid; /* transaction ID */
+ u8 message_id;
+ u8 pipe_handle;
+ union {
+ u8 state_after_connect; /* connect request */
+ u8 state_after_reset; /* reset request */
+ u8 error_code; /* any response */
+ u8 pep_type; /* status indication */
+ u8 data0; /* anything else */
+ };
+ u8 data[];
+};
+#define other_pep_type data[0]
+
+static inline struct pnpipehdr *pnp_hdr(struct sk_buff *skb)
+{
+ return (struct pnpipehdr *)skb_transport_header(skb);
+}
+
+#define MAX_PNPIPE_HEADER (MAX_PHONET_HEADER + 4)
+
+enum {
+ PNS_PIPE_CREATE_REQ = 0x00,
+ PNS_PIPE_CREATE_RESP,
+ PNS_PIPE_REMOVE_REQ,
+ PNS_PIPE_REMOVE_RESP,
+
+ PNS_PIPE_DATA = 0x20,
+ PNS_PIPE_ALIGNED_DATA,
+
+ PNS_PEP_CONNECT_REQ = 0x40,
+ PNS_PEP_CONNECT_RESP,
+ PNS_PEP_DISCONNECT_REQ,
+ PNS_PEP_DISCONNECT_RESP,
+ PNS_PEP_RESET_REQ,
+ PNS_PEP_RESET_RESP,
+ PNS_PEP_ENABLE_REQ,
+ PNS_PEP_ENABLE_RESP,
+ PNS_PEP_CTRL_REQ,
+ PNS_PEP_CTRL_RESP,
+ PNS_PEP_DISABLE_REQ = 0x4C,
+ PNS_PEP_DISABLE_RESP,
+
+ PNS_PEP_STATUS_IND = 0x60,
+ PNS_PIPE_CREATED_IND,
+ PNS_PIPE_RESET_IND = 0x63,
+ PNS_PIPE_ENABLED_IND,
+ PNS_PIPE_REDIRECTED_IND,
+ PNS_PIPE_DISABLED_IND = 0x66,
+};
+
+#define PN_PIPE_INVALID_HANDLE 0xff
+#define PN_PEP_TYPE_COMMON 0x00
+
+/* Phonet pipe status indication */
+enum {
+ PN_PEP_IND_FLOW_CONTROL,
+ PN_PEP_IND_ID_MCFC_GRANT_CREDITS,
+};
+
+/* Phonet pipe error codes */
+enum {
+ PN_PIPE_NO_ERROR,
+ PN_PIPE_ERR_INVALID_PARAM,
+ PN_PIPE_ERR_INVALID_HANDLE,
+ PN_PIPE_ERR_INVALID_CTRL_ID,
+ PN_PIPE_ERR_NOT_ALLOWED,
+ PN_PIPE_ERR_PEP_IN_USE,
+ PN_PIPE_ERR_OVERLOAD,
+ PN_PIPE_ERR_DEV_DISCONNECTED,
+ PN_PIPE_ERR_TIMEOUT,
+ PN_PIPE_ERR_ALL_PIPES_IN_USE,
+ PN_PIPE_ERR_GENERAL,
+ PN_PIPE_ERR_NOT_SUPPORTED,
+};
+
+/* Phonet pipe states */
+enum {
+ PN_PIPE_DISABLE,
+ PN_PIPE_ENABLE,
+};
+
+/* Phonet pipe sub-block types */
+enum {
+ PN_PIPE_SB_CREATE_REQ_PEP_SUB_TYPE,
+ PN_PIPE_SB_CONNECT_REQ_PEP_SUB_TYPE,
+ PN_PIPE_SB_REDIRECT_REQ_PEP_SUB_TYPE,
+ PN_PIPE_SB_NEGOTIATED_FC,
+ PN_PIPE_SB_REQUIRED_FC_TX,
+ PN_PIPE_SB_PREFERRED_FC_RX,
+ PN_PIPE_SB_ALIGNED_DATA,
+};
+
+/* Phonet pipe flow control models */
+enum {
+ PN_NO_FLOW_CONTROL,
+ PN_LEGACY_FLOW_CONTROL,
+ PN_ONE_CREDIT_FLOW_CONTROL,
+ PN_MULTI_CREDIT_FLOW_CONTROL,
+ PN_MAX_FLOW_CONTROL,
+};
+
+#define pn_flow_safe(fc) ((fc) >> 1)
+
+/* Phonet pipe flow control states */
+enum {
+ PEP_IND_EMPTY,
+ PEP_IND_BUSY,
+ PEP_IND_READY,
+};
+
+#endif
diff --git a/include/net/phonet/phonet.h b/include/net/phonet/phonet.h
new file mode 100644
index 000000000..51e1a2a45
--- /dev/null
+++ b/include/net/phonet/phonet.h
@@ -0,0 +1,121 @@
+/*
+ * File: af_phonet.h
+ *
+ * Phonet sockets kernel definitions
+ *
+ * Copyright (C) 2008 Nokia Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef AF_PHONET_H
+#define AF_PHONET_H
+
+/*
+ * The lower layers may not require more space, ever. Make sure it's
+ * enough.
+ */
+#define MAX_PHONET_HEADER (8 + MAX_HEADER)
+
+/*
+ * Every Phonet* socket has this structure first in its
+ * protocol-specific structure under name c.
+ */
+struct pn_sock {
+ struct sock sk;
+ u16 sobject;
+ u16 dobject;
+ u8 resource;
+};
+
+static inline struct pn_sock *pn_sk(struct sock *sk)
+{
+ return (struct pn_sock *)sk;
+}
+
+extern const struct proto_ops phonet_dgram_ops;
+
+void pn_sock_init(void);
+struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *sa);
+void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb);
+void phonet_get_local_port_range(int *min, int *max);
+int pn_sock_hash(struct sock *sk);
+void pn_sock_unhash(struct sock *sk);
+int pn_sock_get_port(struct sock *sk, unsigned short sport);
+
+struct sock *pn_find_sock_by_res(struct net *net, u8 res);
+int pn_sock_bind_res(struct sock *sock, u8 res);
+int pn_sock_unbind_res(struct sock *sk, u8 res);
+void pn_sock_unbind_all_res(struct sock *sk);
+
+int pn_skb_send(struct sock *sk, struct sk_buff *skb,
+ const struct sockaddr_pn *target);
+
+static inline struct phonethdr *pn_hdr(struct sk_buff *skb)
+{
+ return (struct phonethdr *)skb_network_header(skb);
+}
+
+static inline struct phonetmsg *pn_msg(struct sk_buff *skb)
+{
+ return (struct phonetmsg *)skb_transport_header(skb);
+}
+
+/*
+ * Get the other party's sockaddr from received skb. The skb begins
+ * with a Phonet header.
+ */
+static inline
+void pn_skb_get_src_sockaddr(struct sk_buff *skb, struct sockaddr_pn *sa)
+{
+ struct phonethdr *ph = pn_hdr(skb);
+ u16 obj = pn_object(ph->pn_sdev, ph->pn_sobj);
+
+ sa->spn_family = AF_PHONET;
+ pn_sockaddr_set_object(sa, obj);
+ pn_sockaddr_set_resource(sa, ph->pn_res);
+ memset(sa->spn_zero, 0, sizeof(sa->spn_zero));
+}
+
+static inline
+void pn_skb_get_dst_sockaddr(struct sk_buff *skb, struct sockaddr_pn *sa)
+{
+ struct phonethdr *ph = pn_hdr(skb);
+ u16 obj = pn_object(ph->pn_rdev, ph->pn_robj);
+
+ sa->spn_family = AF_PHONET;
+ pn_sockaddr_set_object(sa, obj);
+ pn_sockaddr_set_resource(sa, ph->pn_res);
+ memset(sa->spn_zero, 0, sizeof(sa->spn_zero));
+}
+
+/* Protocols in Phonet protocol family. */
+struct phonet_protocol {
+ const struct proto_ops *ops;
+ struct proto *prot;
+ int sock_type;
+};
+
+int phonet_proto_register(unsigned int protocol,
+ const struct phonet_protocol *pp);
+void phonet_proto_unregister(unsigned int protocol,
+ const struct phonet_protocol *pp);
+
+int phonet_sysctl_init(void);
+void phonet_sysctl_exit(void);
+int isi_register(void);
+void isi_unregister(void);
+
+#endif
diff --git a/include/net/phonet/pn_dev.h b/include/net/phonet/pn_dev.h
new file mode 100644
index 000000000..cbee32be1
--- /dev/null
+++ b/include/net/phonet/pn_dev.h
@@ -0,0 +1,62 @@
+/*
+ * File: pn_dev.h
+ *
+ * Phonet network device
+ *
+ * Copyright (C) 2008 Nokia Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef PN_DEV_H
+#define PN_DEV_H
+
+struct phonet_device_list {
+ struct list_head list;
+ struct mutex lock;
+};
+
+struct phonet_device_list *phonet_device_list(struct net *net);
+
+struct phonet_device {
+ struct list_head list;
+ struct net_device *netdev;
+ DECLARE_BITMAP(addrs, 64);
+ struct rcu_head rcu;
+};
+
+int phonet_device_init(void);
+void phonet_device_exit(void);
+int phonet_netlink_register(void);
+struct net_device *phonet_device_get(struct net *net);
+
+int phonet_address_add(struct net_device *dev, u8 addr);
+int phonet_address_del(struct net_device *dev, u8 addr);
+u8 phonet_address_get(struct net_device *dev, u8 addr);
+int phonet_address_lookup(struct net *net, u8 addr);
+void phonet_address_notify(int event, struct net_device *dev, u8 addr);
+
+int phonet_route_add(struct net_device *dev, u8 daddr);
+int phonet_route_del(struct net_device *dev, u8 daddr);
+void rtm_phonet_notify(int event, struct net_device *dev, u8 dst);
+struct net_device *phonet_route_get_rcu(struct net *net, u8 daddr);
+struct net_device *phonet_route_output(struct net *net, u8 daddr);
+
+#define PN_NO_ADDR 0xff
+
+extern const struct seq_operations pn_sock_seq_ops;
+extern const struct seq_operations pn_res_seq_ops;
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 01:08:02 +0000