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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland * License terms: GNU General Public License (GPL) version 2 */ #ifndef CFCTRL_H_ #define CFCTRL_H_ #include <net/caif/caif_layer.h> #include <net/caif/cfsrvl.h> /* CAIF Control packet commands */ enum cfctrl_cmd { CFCTRL_CMD_LINK_SETUP = 0, CFCTRL_CMD_LINK_DESTROY = 1, CFCTRL_CMD_LINK_ERR = 2, CFCTRL_CMD_ENUM = 3, CFCTRL_CMD_SLEEP = 4, CFCTRL_CMD_WAKE = 5, CFCTRL_CMD_LINK_RECONF = 6, CFCTRL_CMD_START_REASON = 7, CFCTRL_CMD_RADIO_SET = 8, CFCTRL_CMD_MODEM_SET = 9, CFCTRL_CMD_MASK = 0xf }; /* Channel types */ enum cfctrl_srv { CFCTRL_SRV_DECM = 0, CFCTRL_SRV_VEI = 1, CFCTRL_SRV_VIDEO = 2, CFCTRL_SRV_DBG = 3, CFCTRL_SRV_DATAGRAM = 4, CFCTRL_SRV_RFM = 5, CFCTRL_SRV_UTIL = 6, CFCTRL_SRV_MASK = 0xf }; #define CFCTRL_RSP_BIT 0x20 #define CFCTRL_ERR_BIT 0x10 struct cfctrl_rsp { void (*linksetup_rsp)(struct cflayer *layer, u8 linkid, enum cfctrl_srv serv, u8 phyid, struct cflayer *adapt_layer); void (*linkdestroy_rsp)(struct cflayer *layer, u8 linkid); void (*linkerror_ind)(void); void (*enum_rsp)(void); void (*sleep_rsp)(void); void (*wake_rsp)(void); void (*restart_rsp)(void); void (*radioset_rsp)(void); void (*reject_rsp)(struct cflayer *layer, u8 linkid, struct cflayer *client_layer); }; /* Link Setup Parameters for CAIF-Links. */ struct cfctrl_link_param { enum cfctrl_srv linktype;/* (T3,T0) Type of Channel */ u8 priority; /* (P4,P0) Priority of the channel */ u8 phyid; /* (U2-U0) Physical interface to connect */ u8 endpoint; /* (E1,E0) Endpoint for data channels */ u8 chtype; /* (H1,H0) Channel-Type, applies to * VEI, DEBUG */ union { struct { u8 connid; /* (D7,D0) Video LinkId */ } video; struct { u32 connid; /* (N31,Ngit0) Connection ID used * for Datagram */ } datagram; struct { u32 connid; /* Connection ID used for RFM */ char volume[20]; /* Volume to mount for RFM */ } rfm; /* Configuration for RFM */ struct { u16 fifosize_kb; /* Psock FIFO size in KB */ u16 fifosize_bufs; /* Psock # signal buffers */ char name[16]; /* Name of the PSOCK service */ u8 params[255]; /* Link setup Parameters> */ u16 paramlen; /* Length of Link Setup * Parameters */ } utility; /* Configuration for Utility Links (Psock) */ } u; }; /* This structure is used internally in CFCTRL */ struct cfctrl_request_info { int sequence_no; enum cfctrl_cmd cmd; u8 channel_id; struct cfctrl_link_param param; struct cflayer *client_layer; struct list_head list; }; struct cfctrl { struct cfsrvl serv; struct cfctrl_rsp res; atomic_t req_seq_no; atomic_t rsp_seq_no; struct list_head list; /* Protects from simultaneous access to first_req list */ spinlock_t info_list_lock; #ifndef CAIF_NO_LOOP u8 loop_linkid; int loop_linkused[256]; /* Protects simultaneous access to loop_linkid and loop_linkused */ spinlock_t loop_linkid_lock; #endif }; void cfctrl_enum_req(struct cflayer *cfctrl, u8 physlinkid); int cfctrl_linkup_request(struct cflayer *cfctrl, struct cfctrl_link_param *param, struct cflayer *user_layer); int cfctrl_linkdown_req(struct cflayer *cfctrl, u8 linkid, struct cflayer *client); struct cflayer *cfctrl_create(void); struct cfctrl_rsp *cfctrl_get_respfuncs(struct cflayer *layer); int cfctrl_cancel_req(struct cflayer *layr, struct cflayer *adap_layer); void cfctrl_remove(struct cflayer *layr); #endif /* CFCTRL_H_ */ |