diff options
Diffstat (limited to 'sys/netgraph/atm/atmpif/ng_atmpif_var.h')
| -rw-r--r-- | sys/netgraph/atm/atmpif/ng_atmpif_var.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/sys/netgraph/atm/atmpif/ng_atmpif_var.h b/sys/netgraph/atm/atmpif/ng_atmpif_var.h new file mode 100644 index 0000000..f295461 --- /dev/null +++ b/sys/netgraph/atm/atmpif/ng_atmpif_var.h @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2003 Harti Brandt. + * Copyright (c) 2003 Vincent Jardin. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * Supported AALs + */ +enum vatmpif_aal { + VATMPIF_AAL_0 = 0, /* Cell Service */ + VATMPIF_AAL_4 = 4, /* AAL 3/4 */ + VATMPIF_AAL_5 = 5, /* AAL 5 */ +}; +typedef enum vatmpif_aal Vatmpif_aal; + +/* + * Supported traffic type + */ +enum vatmpif_traffic_type { + VATMPIF_TRAF_CBR = 0x01, /* Constant bit rate */ + VATMPIF_TRAF_VBR = 0x02, /* Variable bit rate */ + VATMPIF_TRAF_ABR = 0x03, /* Available Bit Rate */ + VATMPIF_TRAF_UBR = 0x04, /* Unspecified bit rate */ +}; +typedef enum vatmpif_traffic_type Vatmpif_traffic_type; + +typedef struct t_atm_traffic Vatmpif_traffic; + +/* + * Host protocol control blocks + * + */ +/* + * Device VCC Entry + * + * Contains the common (vv_cmn) and specific information for each VCC + * which is opened through a ATM PIF node. + * It is a virtual VCC. From the Netgraph poit of view it is a + * per-node's hook private data. + * + * It is a polymorph object with the instances of Cmn_vcc. + */ +struct vatmpif_vcc { + Cmn_vcc vv_cmn; /* Common VCC stuff */ + Vatmpif_aal vv_aal; /* AAL */ + Vatmpif_traffic vv_traffic; /* forward and backward ATM traffic */ + Vatmpif_traffic_type vv_traffic_type;/* CBR, VBR, UBR, ... */ +}; +typedef struct vatmpif_vcc Vatmpif_vcc; + +#define vv_next vv_cmn.cv_next +#define vv_toku vv_cmn.cv_toku +#define vv_upper vv_cmn.cv_upper +#define vv_connvc vv_cmn.cv_connvc +#define vv_state vv_cmn.cv_state + +/* + * The hook structure describes a virtual link + */ +struct ng_vatmpif_hook { + hook_p hook; /* netgraph hook */ + Vatmpif_stats stats; /* link stats */ + uint32_t InSeq; /* last received sequence number + 1 */ + uint32_t OutSeq; /* last sent sequence number */ + uint32_t cur_pcr; /* slot's reserved PCR */ +}; + +/* + * Device Virtual Unit Structure + * + * Contains all the information for a single device (adapter). + * It is a virtual device. From the Netgraph point of view it is + * a per-node private data. + * + * It is a polymorph object with the instances of Cmn_unit. + */ +struct vatmpif_unit { + Cmn_unit vu_cmn; /* Common unit stuff */ + node_p node; /* netgraph node */ + struct ng_vatmpif_hook* link; /* virtual link hoook */ + struct ng_vatmpif_config conf; /* node configuration */ +}; +typedef struct vatmpif_unit Vatmpif_unit; + +#define ng_vatmpif_private vatmpif_unit +typedef struct ng_vatmpif_private *priv_p; + +#define vu_pif vu_cmn.cu_pif +#define vu_unit vu_cmn.cu_unit +#define vu_flags vu_cmn.cu_flags +#define vu_mtu vu_cmn.cu_mtu +#define vu_open_vcc vu_cmn.cu_open_vcc +#define vu_vcc vu_cmn.cu_vcc +#define vu_vcc_zone vu_cmn.cu_vcc_zone +#define vu_nif_zone vu_cmn.cu_nif_zone +#define vu_ioctl vu_cmn.cu_ioctl +#define vu_instvcc vu_cmn.cu_instvcc +#define vu_openvcc vu_cmn.cu_openvcc +#define vu_closevcc vu_cmn.cu_closevcc +#define vu_output vu_cmn.cu_output +#define vu_config vu_cmn.cu_config +#define vu_softc vu_cmn.cu_softc + +#define vu_stats link->stats +#define vu_cur_pcr link->cur_pcr + +/* + * Netgraph to HARP API + */ +int vatmpif_harp_attach(node_p node); +int vatmpif_harp_detach(node_p node); + +int vatmpif_harp_recv_drain(Vatmpif_unit *vup, KBuffer *m, + uint8_t vpi, uint16_t vci, uint8_t pt, uint8_t clp, Vatmpif_aal aal); + +/* + * HARP to Netgraph API + */ +int ng_atmpif_transmit(const priv_p priv, struct mbuf *m, + uint8_t vpi, uint16_t vci, uint8_t pt, uint8_t clp, Vatmpif_aal aal); + +extern uma_zone_t vatmpif_nif_zone; +extern uma_zone_t vatmpif_vcc_zone; |
