1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun #ifndef _ATMMPC_H_ 3*4882a593Smuzhiyun #define _ATMMPC_H_ 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/atmapi.h> 6*4882a593Smuzhiyun #include <linux/atmioc.h> 7*4882a593Smuzhiyun #include <linux/atm.h> 8*4882a593Smuzhiyun #include <linux/types.h> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #define ATMMPC_CTRL _IO('a', ATMIOC_MPOA) 11*4882a593Smuzhiyun #define ATMMPC_DATA _IO('a', ATMIOC_MPOA+1) 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define MPC_SOCKET_INGRESS 1 14*4882a593Smuzhiyun #define MPC_SOCKET_EGRESS 2 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun struct atmmpc_ioc { 17*4882a593Smuzhiyun int dev_num; 18*4882a593Smuzhiyun __be32 ipaddr; /* the IP address of the shortcut */ 19*4882a593Smuzhiyun int type; /* ingress or egress */ 20*4882a593Smuzhiyun }; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun typedef struct in_ctrl_info { 23*4882a593Smuzhiyun __u8 Last_NHRP_CIE_code; 24*4882a593Smuzhiyun __u8 Last_Q2931_cause_value; 25*4882a593Smuzhiyun __u8 eg_MPC_ATM_addr[ATM_ESA_LEN]; 26*4882a593Smuzhiyun __be32 tag; 27*4882a593Smuzhiyun __be32 in_dst_ip; /* IP address this ingress MPC sends packets to */ 28*4882a593Smuzhiyun __u16 holding_time; 29*4882a593Smuzhiyun __u32 request_id; 30*4882a593Smuzhiyun } in_ctrl_info; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun typedef struct eg_ctrl_info { 33*4882a593Smuzhiyun __u8 DLL_header[256]; 34*4882a593Smuzhiyun __u8 DH_length; 35*4882a593Smuzhiyun __be32 cache_id; 36*4882a593Smuzhiyun __be32 tag; 37*4882a593Smuzhiyun __be32 mps_ip; 38*4882a593Smuzhiyun __be32 eg_dst_ip; /* IP address to which ingress MPC sends packets */ 39*4882a593Smuzhiyun __u8 in_MPC_data_ATM_addr[ATM_ESA_LEN]; 40*4882a593Smuzhiyun __u16 holding_time; 41*4882a593Smuzhiyun } eg_ctrl_info; 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun struct mpc_parameters { 44*4882a593Smuzhiyun __u16 mpc_p1; /* Shortcut-Setup Frame Count */ 45*4882a593Smuzhiyun __u16 mpc_p2; /* Shortcut-Setup Frame Time */ 46*4882a593Smuzhiyun __u8 mpc_p3[8]; /* Flow-detection Protocols */ 47*4882a593Smuzhiyun __u16 mpc_p4; /* MPC Initial Retry Time */ 48*4882a593Smuzhiyun __u16 mpc_p5; /* MPC Retry Time Maximum */ 49*4882a593Smuzhiyun __u16 mpc_p6; /* Hold Down Time */ 50*4882a593Smuzhiyun } ; 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun struct k_message { 53*4882a593Smuzhiyun __u16 type; 54*4882a593Smuzhiyun __be32 ip_mask; 55*4882a593Smuzhiyun __u8 MPS_ctrl[ATM_ESA_LEN]; 56*4882a593Smuzhiyun union { 57*4882a593Smuzhiyun in_ctrl_info in_info; 58*4882a593Smuzhiyun eg_ctrl_info eg_info; 59*4882a593Smuzhiyun struct mpc_parameters params; 60*4882a593Smuzhiyun } content; 61*4882a593Smuzhiyun struct atm_qos qos; 62*4882a593Smuzhiyun } __ATM_API_ALIGN; 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun struct llc_snap_hdr { 65*4882a593Smuzhiyun /* RFC 1483 LLC/SNAP encapsulation for routed IP PDUs */ 66*4882a593Smuzhiyun __u8 dsap; /* Destination Service Access Point (0xAA) */ 67*4882a593Smuzhiyun __u8 ssap; /* Source Service Access Point (0xAA) */ 68*4882a593Smuzhiyun __u8 ui; /* Unnumbered Information (0x03) */ 69*4882a593Smuzhiyun __u8 org[3]; /* Organizational identification (0x000000) */ 70*4882a593Smuzhiyun __u8 type[2]; /* Ether type (for IP) (0x0800) */ 71*4882a593Smuzhiyun }; 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun /* TLVs this MPC recognizes */ 74*4882a593Smuzhiyun #define TLV_MPOA_DEVICE_TYPE 0x00a03e2a 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun /* MPOA device types in MPOA Device Type TLV */ 77*4882a593Smuzhiyun #define NON_MPOA 0 78*4882a593Smuzhiyun #define MPS 1 79*4882a593Smuzhiyun #define MPC 2 80*4882a593Smuzhiyun #define MPS_AND_MPC 3 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun /* MPC parameter defaults */ 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun #define MPC_P1 10 /* Shortcut-Setup Frame Count */ 86*4882a593Smuzhiyun #define MPC_P2 1 /* Shortcut-Setup Frame Time */ 87*4882a593Smuzhiyun #define MPC_P3 0 /* Flow-detection Protocols */ 88*4882a593Smuzhiyun #define MPC_P4 5 /* MPC Initial Retry Time */ 89*4882a593Smuzhiyun #define MPC_P5 40 /* MPC Retry Time Maximum */ 90*4882a593Smuzhiyun #define MPC_P6 160 /* Hold Down Time */ 91*4882a593Smuzhiyun #define HOLDING_TIME_DEFAULT 1200 /* same as MPS-p7 */ 92*4882a593Smuzhiyun 93*4882a593Smuzhiyun /* MPC constants */ 94*4882a593Smuzhiyun 95*4882a593Smuzhiyun #define MPC_C1 2 /* Retry Time Multiplier */ 96*4882a593Smuzhiyun #define MPC_C2 60 /* Initial Keep-Alive Lifetime */ 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun /* Message types - to MPOA daemon */ 99*4882a593Smuzhiyun 100*4882a593Smuzhiyun #define SND_MPOA_RES_RQST 201 101*4882a593Smuzhiyun #define SET_MPS_CTRL_ADDR 202 102*4882a593Smuzhiyun #define SND_MPOA_RES_RTRY 203 /* Different type in a retry due to req id */ 103*4882a593Smuzhiyun #define STOP_KEEP_ALIVE_SM 204 104*4882a593Smuzhiyun #define EGRESS_ENTRY_REMOVED 205 105*4882a593Smuzhiyun #define SND_EGRESS_PURGE 206 106*4882a593Smuzhiyun #define DIE 207 /* tell the daemon to exit() */ 107*4882a593Smuzhiyun #define DATA_PLANE_PURGE 208 /* Data plane purge because of egress cache hit miss or dead MPS */ 108*4882a593Smuzhiyun #define OPEN_INGRESS_SVC 209 109*4882a593Smuzhiyun 110*4882a593Smuzhiyun /* Message types - from MPOA daemon */ 111*4882a593Smuzhiyun 112*4882a593Smuzhiyun #define MPOA_TRIGGER_RCVD 101 113*4882a593Smuzhiyun #define MPOA_RES_REPLY_RCVD 102 114*4882a593Smuzhiyun #define INGRESS_PURGE_RCVD 103 115*4882a593Smuzhiyun #define EGRESS_PURGE_RCVD 104 116*4882a593Smuzhiyun #define MPS_DEATH 105 117*4882a593Smuzhiyun #define CACHE_IMPOS_RCVD 106 118*4882a593Smuzhiyun #define SET_MPC_CTRL_ADDR 107 /* Our MPC's control ATM address */ 119*4882a593Smuzhiyun #define SET_MPS_MAC_ADDR 108 120*4882a593Smuzhiyun #define CLEAN_UP_AND_EXIT 109 121*4882a593Smuzhiyun #define SET_MPC_PARAMS 110 /* MPC configuration parameters */ 122*4882a593Smuzhiyun 123*4882a593Smuzhiyun /* Message types - bidirectional */ 124*4882a593Smuzhiyun 125*4882a593Smuzhiyun #define RELOAD 301 /* kill -HUP the daemon for reload */ 126*4882a593Smuzhiyun 127*4882a593Smuzhiyun #endif /* _ATMMPC_H_ */ 128