1 files changed, 126 insertions, 0 deletions

diff --git a/include/uapi/linux/atmmpc.h b/include/uapi/linux/atmmpc.h
new file mode 100644
index 000000000000..2aba5787fa63
--- /dev/null
+++ b/include/uapi/linux/atmmpc.h
@@ -0,0 +1,126 @@
+#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_ */