| 1 | /* atmsvc.h - ATM signaling kernel-demon interface definitions */ |
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| 2 | |
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| 3 | /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ |
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| 4 | |
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| 5 | |
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| 6 | #ifndef _LINUX_ATMSVC_H |
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| 7 | #define _LINUX_ATMSVC_H |
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| 8 | |
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| 9 | #include <linux/atmapi.h> |
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| 10 | #include <linux/atm.h> |
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| 11 | #include <linux/atmioc.h> |
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| 12 | |
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| 13 | |
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| 14 | #define ATMSIGD_CTRL _IO('a',ATMIOC_SPECIAL) |
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| 15 | /* become ATM signaling demon control socket */ |
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| 16 | |
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| 17 | enum atmsvc_msg_type { as_catch_null, as_bind, as_connect, as_accept, as_reject, |
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| 18 | as_listen, as_okay, as_error, as_indicate, as_close, |
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| 19 | as_itf_notify, as_modify, as_identify, as_terminate, |
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| 20 | as_addparty, as_dropparty }; |
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| 21 | |
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| 22 | struct atmsvc_msg { |
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| 23 | enum atmsvc_msg_type type; |
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| 24 | atm_kptr_t vcc; |
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| 25 | atm_kptr_t listen_vcc; /* indicate */ |
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| 26 | int reply; /* for okay and close: */ |
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| 27 | /* < 0: error before active */ |
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| 28 | /* (sigd has discarded ctx) */ |
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| 29 | /* ==0: success */ |
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| 30 | /* > 0: error when active (still */ |
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| 31 | /* need to close) */ |
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| 32 | struct sockaddr_atmpvc pvc; /* indicate, okay (connect) */ |
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| 33 | struct sockaddr_atmsvc local; /* local SVC address */ |
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| 34 | struct atm_qos qos; /* QOS parameters */ |
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| 35 | struct atm_sap sap; /* SAP */ |
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| 36 | unsigned int session; /* for p2pm */ |
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| 37 | struct sockaddr_atmsvc svc; /* SVC address */ |
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| 38 | } __ATM_API_ALIGN; |
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| 39 | |
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| 40 | /* |
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| 41 | * Message contents: see ftp://icaftp.epfl.ch/pub/linux/atm/docs/isp-*.tar.gz |
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| 42 | */ |
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| 43 | |
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| 44 | /* |
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| 45 | * Some policy stuff for atmsigd and for net/atm/svc.c. Both have to agree on |
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| 46 | * what PCR is used to request bandwidth from the device driver. net/atm/svc.c |
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| 47 | * tries to do better than that, but only if there's no routing decision (i.e. |
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| 48 | * if signaling only uses one ATM interface). |
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| 49 | */ |
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| 50 | |
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| 51 | #define SELECT_TOP_PCR(tp) ((tp).pcr ? (tp).pcr : \ |
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| 52 | (tp).max_pcr && (tp).max_pcr != ATM_MAX_PCR ? (tp).max_pcr : \ |
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| 53 | (tp).min_pcr ? (tp).min_pcr : ATM_MAX_PCR) |
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| 54 | |
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| 55 | #endif |
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