diff options
Diffstat (limited to 'include/uapi/linux/atmmpc.h')
| -rw-r--r-- | include/uapi/linux/atmmpc.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/include/uapi/linux/atmmpc.h b/include/uapi/linux/atmmpc.h new file mode 100644 index 0000000000..cc17f43048 --- /dev/null +++ b/include/uapi/linux/atmmpc.h @@ -0,0 +1,127 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ATMMPC_H_ +#define _ATMMPC_H_ + +#include <linux/atmapi.h> +#include <linux/atmioc.h> +#include <linux/atm.h> +#include <linux/types.h> + +#define ATMMPC_CTRL _IO('a', ATMIOC_MPOA) +#define ATMMPC_DATA _IO('a', ATMIOC_MPOA+1) + +#define MPC_SOCKET_INGRESS 1 +#define MPC_SOCKET_EGRESS 2 + +struct atmmpc_ioc { + int dev_num; + __be32 ipaddr; /* the IP address of the shortcut */ + int type; /* ingress or egress */ +}; + +typedef struct in_ctrl_info { + __u8 Last_NHRP_CIE_code; + __u8 Last_Q2931_cause_value; + __u8 eg_MPC_ATM_addr[ATM_ESA_LEN]; + __be32 tag; + __be32 in_dst_ip; /* IP address this ingress MPC sends packets to */ + __u16 holding_time; + __u32 request_id; +} in_ctrl_info; + +typedef struct eg_ctrl_info { + __u8 DLL_header[256]; + __u8 DH_length; + __be32 cache_id; + __be32 tag; + __be32 mps_ip; + __be32 eg_dst_ip; /* IP address to which ingress MPC sends packets */ + __u8 in_MPC_data_ATM_addr[ATM_ESA_LEN]; + __u16 holding_time; +} eg_ctrl_info; + +struct mpc_parameters { + __u16 mpc_p1; /* Shortcut-Setup Frame Count */ + __u16 mpc_p2; /* Shortcut-Setup Frame Time */ + __u8 mpc_p3[8]; /* Flow-detection Protocols */ + __u16 mpc_p4; /* MPC Initial Retry Time */ + __u16 mpc_p5; /* MPC Retry Time Maximum */ + __u16 mpc_p6; /* Hold Down Time */ +} ; + +struct k_message { + __u16 type; + __be32 ip_mask; + __u8 MPS_ctrl[ATM_ESA_LEN]; + union { + in_ctrl_info in_info; + eg_ctrl_info eg_info; + struct mpc_parameters params; + } content; + struct atm_qos qos; +} __ATM_API_ALIGN; + +struct llc_snap_hdr { + /* RFC 1483 LLC/SNAP encapsulation for routed IP PDUs */ + __u8 dsap; /* Destination Service Access Point (0xAA) */ + __u8 ssap; /* Source Service Access Point (0xAA) */ + __u8 ui; /* Unnumbered Information (0x03) */ + __u8 org[3]; /* Organizational identification (0x000000) */ + __u8 type[2]; /* Ether type (for IP) (0x0800) */ +}; + +/* TLVs this MPC recognizes */ +#define TLV_MPOA_DEVICE_TYPE 0x00a03e2a + +/* MPOA device types in MPOA Device Type TLV */ +#define NON_MPOA 0 +#define MPS 1 +#define MPC 2 +#define MPS_AND_MPC 3 + + +/* MPC parameter defaults */ + +#define MPC_P1 10 /* Shortcut-Setup Frame Count */ +#define MPC_P2 1 /* Shortcut-Setup Frame Time */ +#define MPC_P3 0 /* Flow-detection Protocols */ +#define MPC_P4 5 /* MPC Initial Retry Time */ +#define MPC_P5 40 /* MPC Retry Time Maximum */ +#define MPC_P6 160 /* Hold Down Time */ +#define HOLDING_TIME_DEFAULT 1200 /* same as MPS-p7 */ + +/* MPC constants */ + +#define MPC_C1 2 /* Retry Time Multiplier */ +#define MPC_C2 60 /* Initial Keep-Alive Lifetime */ + +/* Message types - to MPOA daemon */ + +#define SND_MPOA_RES_RQST 201 +#define SET_MPS_CTRL_ADDR 202 +#define SND_MPOA_RES_RTRY 203 /* Different type in a retry due to req id */ +#define STOP_KEEP_ALIVE_SM 204 +#define EGRESS_ENTRY_REMOVED 205 +#define SND_EGRESS_PURGE 206 +#define DIE 207 /* tell the daemon to exit() */ +#define DATA_PLANE_PURGE 208 /* Data plane purge because of egress cache hit miss or dead MPS */ +#define OPEN_INGRESS_SVC 209 + +/* Message types - from MPOA daemon */ + +#define MPOA_TRIGGER_RCVD 101 +#define MPOA_RES_REPLY_RCVD 102 +#define INGRESS_PURGE_RCVD 103 +#define EGRESS_PURGE_RCVD 104 +#define MPS_DEATH 105 +#define CACHE_IMPOS_RCVD 106 +#define SET_MPC_CTRL_ADDR 107 /* Our MPC's control ATM address */ +#define SET_MPS_MAC_ADDR 108 +#define CLEAN_UP_AND_EXIT 109 +#define SET_MPC_PARAMS 110 /* MPC configuration parameters */ + +/* Message types - bidirectional */ + +#define RELOAD 301 /* kill -HUP the daemon for reload */ + +#endif /* _ATMMPC_H_ */ |