diff options
Diffstat (limited to 'include/net/phonet')
| -rw-r--r-- | include/net/phonet/phonet.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/net/phonet/phonet.h b/include/net/phonet/phonet.h new file mode 100644 index 0000000..c53f2ab --- /dev/null +++ b/include/net/phonet/phonet.h @@ -0,0 +1,74 @@ +/* + * 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 + +static inline struct phonethdr *pn_hdr(struct sk_buff *skb) +{ + return (struct phonethdr *)skb_network_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 { + struct proto *prot; + int sock_type; +}; + +int phonet_proto_register(int protocol, struct phonet_protocol *pp); +void phonet_proto_unregister(int protocol, struct phonet_protocol *pp); + +#endif |
