From bce7b15426cac3000bf6a9cf59d9356ef0be2dec Mon Sep 17 00:00:00 2001 From: Remi Denis-Courmont Date: Mon, 22 Sep 2008 19:51:15 -0700 Subject: Phonet: global definitions Signed-off-by: Remi Denis-Courmont Signed-off-by: David S. Miller --- include/linux/phonet.h | 125 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 include/linux/phonet.h (limited to 'include/linux/phonet.h') diff --git a/include/linux/phonet.h b/include/linux/phonet.h new file mode 100644 index 0000000..6a764f8 --- /dev/null +++ b/include/linux/phonet.h @@ -0,0 +1,125 @@ +/** + * file phonet.h + * + * Phonet sockets kernel interface + * + * Copyright (C) 2008 Nokia Corporation. All rights reserved. + * + * 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 LINUX_PHONET_H +#define LINUX_PHONET_H + +/* Automatic protocol selection */ +#define PN_PROTO_TRANSPORT 0 +/* Phonet datagram socket */ +#define PN_PROTO_PHONET 1 +#define PHONET_NPROTO 2 + +#define PNADDR_ANY 0 +#define PNPORT_RESOURCE_ROUTING 0 + +/* Phonet protocol header */ +struct phonethdr { + __u8 pn_rdev; + __u8 pn_sdev; + __u8 pn_res; + __be16 pn_length; + __u8 pn_robj; + __u8 pn_sobj; +} __attribute__((packed)); + +/* Phonet socket address structure */ +struct sockaddr_pn { + sa_family_t spn_family; + __u8 spn_obj; + __u8 spn_dev; + __u8 spn_resource; + __u8 spn_zero[sizeof(struct sockaddr) - sizeof(sa_family_t) - 3]; +} __attribute__ ((packed)); + +static inline __u16 pn_object(__u8 addr, __u16 port) +{ + return (addr << 8) | (port & 0x3ff); +} + +static inline __u8 pn_obj(__u16 handle) +{ + return handle & 0xff; +} + +static inline __u8 pn_dev(__u16 handle) +{ + return handle >> 8; +} + +static inline __u16 pn_port(__u16 handle) +{ + return handle & 0x3ff; +} + +static inline __u8 pn_addr(__u16 handle) +{ + return (handle >> 8) & 0xfc; +} + +static inline void pn_sockaddr_set_addr(struct sockaddr_pn *spn, __u8 addr) +{ + spn->spn_dev &= 0x03; + spn->spn_dev |= addr & 0xfc; +} + +static inline void pn_sockaddr_set_port(struct sockaddr_pn *spn, __u16 port) +{ + spn->spn_dev &= 0xfc; + spn->spn_dev |= (port >> 8) & 0x03; + spn->spn_obj = port & 0xff; +} + +static inline void pn_sockaddr_set_object(struct sockaddr_pn *spn, + __u16 handle) +{ + spn->spn_dev = pn_dev(handle); + spn->spn_obj = pn_obj(handle); +} + +static inline void pn_sockaddr_set_resource(struct sockaddr_pn *spn, + __u8 resource) +{ + spn->spn_resource = resource; +} + +static inline __u8 pn_sockaddr_get_addr(const struct sockaddr_pn *spn) +{ + return spn->spn_dev & 0xfc; +} + +static inline __u16 pn_sockaddr_get_port(const struct sockaddr_pn *spn) +{ + return ((spn->spn_dev & 0x03) << 8) | spn->spn_obj; +} + +static inline __u16 pn_sockaddr_get_object(const struct sockaddr_pn *spn) +{ + return pn_object(spn->spn_dev, spn->spn_obj); +} + +static inline __u8 pn_sockaddr_get_resource(const struct sockaddr_pn *spn) +{ + return spn->spn_resource; +} + +#endif -- cgit v1.1 From ba113a94b7503ee23ffe819e7045134b0c1d31de Mon Sep 17 00:00:00 2001 From: Remi Denis-Courmont Date: Mon, 22 Sep 2008 20:05:19 -0700 Subject: Phonet: common socket glue This provides the socket API for the Phonet protocols family. Signed-off-by: Remi Denis-Courmont Signed-off-by: David S. Miller --- include/linux/phonet.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/linux/phonet.h') diff --git a/include/linux/phonet.h b/include/linux/phonet.h index 6a764f8..001c0e6 100644 --- a/include/linux/phonet.h +++ b/include/linux/phonet.h @@ -32,6 +32,9 @@ #define PNADDR_ANY 0 #define PNPORT_RESOURCE_ROUTING 0 +/* ioctls */ +#define SIOCPNGETOBJECT (SIOCPROTOPRIVATE + 0) + /* Phonet protocol header */ struct phonethdr { __u8 pn_rdev; -- cgit v1.1 From be0c52bfed7f7828494fa00060efd5d758e92580 Mon Sep 17 00:00:00 2001 From: Remi Denis-Courmont Date: Mon, 22 Sep 2008 20:09:13 -0700 Subject: Phonet: emit errors when a packet cannot be delivered locally When there is no listener socket for a received packet, send an error back to the sender. Signed-off-by: Remi Denis-Courmont Signed-off-by: David S. Miller --- include/linux/phonet.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'include/linux/phonet.h') diff --git a/include/linux/phonet.h b/include/linux/phonet.h index 001c0e6..3a027f5 100644 --- a/include/linux/phonet.h +++ b/include/linux/phonet.h @@ -45,6 +45,38 @@ struct phonethdr { __u8 pn_sobj; } __attribute__((packed)); +/* Common Phonet payload header */ +struct phonetmsg { + __u8 pn_trans_id; /* transaction ID */ + __u8 pn_msg_id; /* message type */ + union { + struct { + __u8 pn_submsg_id; /* message subtype */ + __u8 pn_data[5]; + } base; + struct { + __u16 pn_e_res_id; /* extended resource ID */ + __u8 pn_e_submsg_id; /* message subtype */ + __u8 pn_e_data[3]; + } ext; + } pn_msg_u; +}; +#define PN_COMMON_MESSAGE 0xF0 +#define PN_PREFIX 0xE0 /* resource for extended messages */ +#define pn_submsg_id pn_msg_u.base.pn_submsg_id +#define pn_e_submsg_id pn_msg_u.ext.pn_e_submsg_id +#define pn_e_res_id pn_msg_u.ext.pn_e_res_id +#define pn_data pn_msg_u.base.pn_data +#define pn_e_data pn_msg_u.ext.pn_e_data + +/* data for unreachable errors */ +#define PN_COMM_SERVICE_NOT_IDENTIFIED_RESP 0x01 +#define PN_COMM_ISA_ENTITY_NOT_REACHABLE_RESP 0x14 +#define pn_orig_msg_id pn_data[0] +#define pn_status pn_data[1] +#define pn_e_orig_msg_id pn_e_data[0] +#define pn_e_status pn_e_data[1] + /* Phonet socket address structure */ struct sockaddr_pn { sa_family_t spn_family; -- cgit v1.1 From 9641458d3ec42def729fde64669abf07f3220cd5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= Date: Sun, 5 Oct 2008 11:15:13 -0700 Subject: Phonet: Pipe End Point for Phonet Pipes protocol MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This protocol provides some connection handling and negotiated congestion control. Nokia cellular modems use it for bulk transfers. It provides packet boundaries (hence SOCK_SEQPACKET). Congestion control is per packet rather per byte, so we do not re-use the generic socket memory accounting. Signed-off-by: Rémi Denis-Courmont Signed-off-by: David S. Miller --- include/linux/phonet.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'include/linux/phonet.h') diff --git a/include/linux/phonet.h b/include/linux/phonet.h index 3a027f5..f921852 100644 --- a/include/linux/phonet.h +++ b/include/linux/phonet.h @@ -27,7 +27,9 @@ #define PN_PROTO_TRANSPORT 0 /* Phonet datagram socket */ #define PN_PROTO_PHONET 1 -#define PHONET_NPROTO 2 +/* Phonet pipe */ +#define PN_PROTO_PIPE 2 +#define PHONET_NPROTO 3 #define PNADDR_ANY 0 #define PNPORT_RESOURCE_ROUTING 0 -- cgit v1.1 From 02a47617cdce440f60c71a51f3a93f9f5fcc5a7a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= Date: Sun, 5 Oct 2008 11:16:16 -0700 Subject: Phonet: implement GPRS virtual interface over PEP socket MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rémi Denis-Courmont Signed-off-by: David S. Miller --- include/linux/phonet.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include/linux/phonet.h') diff --git a/include/linux/phonet.h b/include/linux/phonet.h index f921852..c9609f9 100644 --- a/include/linux/phonet.h +++ b/include/linux/phonet.h @@ -31,9 +31,17 @@ #define PN_PROTO_PIPE 2 #define PHONET_NPROTO 3 +/* Socket options for SOL_PNPIPE level */ +#define PNPIPE_ENCAP 1 +#define PNPIPE_IFINDEX 2 + #define PNADDR_ANY 0 #define PNPORT_RESOURCE_ROUTING 0 +/* Values for PNPIPE_ENCAP option */ +#define PNPIPE_ENCAP_NONE 0 +#define PNPIPE_ENCAP_IP 1 + /* ioctls */ #define SIOCPNGETOBJECT (SIOCPROTOPRIVATE + 0) -- cgit v1.1