diff options
Diffstat (limited to 'target/linux/realtek/files/include/net/rtl/rtl865x_nat.h')
| -rw-r--r-- | target/linux/realtek/files/include/net/rtl/rtl865x_nat.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/target/linux/realtek/files/include/net/rtl/rtl865x_nat.h b/target/linux/realtek/files/include/net/rtl/rtl865x_nat.h new file mode 100644 index 000000000..1471a8fee --- /dev/null +++ b/target/linux/realtek/files/include/net/rtl/rtl865x_nat.h @@ -0,0 +1,122 @@ +#ifndef RTL865X_NAT_H +#define RTL865X_NAT_H + +#define FLAG_QOS_ENABLE 1 + +/* NAT timeout value */ +#define TCP_TIMEOUT 120 /* 120 secs */ +#define UDP_TIMEOUT 90 /* 90 secs */ +#define TCP_OVERRIDE_ELASPED_THRESHOLD 60 /* 60 secs */ +#define UDP_OVERRIDE_ELASPED_THRESHOLD 30 /* 30 secs */ + +#define TCP_CLOSED_FLOW 8 + +#define RTL865X_PROTOCOL_UDP 0 +#define RTL865X_PROTOCOL_TCP 1 + +#define NAT_INBOUND 0x00000001 +#define NAT_OUTBOUND 0x00000002 +#define NAT_PRI_PROCESSED 0x00000004 +#define NAT_PRI_HALF_PROCESSED 0x00000008 + +#define NAT_PRE_RESERVED 0x00000100 +#define RESERVE_EXPIRE_TIME 3 /*uinit:seconds*/ + +#define NAT_INUSE(_n_) ( ((_n_)->flags&(NAT_INBOUND|NAT_OUTBOUND)) ) +#define SET_NAT_FLAGS(_n_, _v_) ((_n_)->flags |= (_v_)) +#define CLR_NAT_FLAGS(_n_, _v_) ((_n_)->flags &= (~(_v_))) +#define NAT_INVALID(_n_) ( ((_n_)->flags=0) ) + +#define MAX_EXTPORT_TRY_CNT 8 + +#define RTL_NAPT_ACCELERATION_FAIL -1 +#define RTL_NAPT_FULL_ACCELERATION 0 +#define RTL_NAPT_OUTBOUND_ACCELERATION 1 +#define RTL_NAPT_INBOUND_ACCELERATION 2 + +#define CONFIG_RTL_INBOUND_COLLISION_AVOIDANCE +#define CONFIG_RTL_HALF_NAPT_ACCELERATION + +typedef struct _rtl865x_napt_entry +{ + uint32 protocol; //RTL865X_PROTOCOL_UDP or RTL865X_PROTOCOL_TCP + ipaddr_t intIp; + uint32 intPort; + ipaddr_t extIp; + uint32 extPort; + ipaddr_t remIp; + uint32 remPort; +}rtl865x_napt_entry; + +typedef struct _rtl865x_priority +{ + int32 uplinkPrio; + int32 downlinkPrio; +}rtl865x_priority; + +typedef struct _rtl865x_qos_mark +{ + int32 uplinkMark; + int32 downlinkMark; +}rtl865x_qos_mark; + +int32 rtl865x_nat_init(void); +int32 rtl865x_nat_reinit(void); +/* +@func enum RTL_RESULT | rtl865x_addNaptConnection | Add a NAPT Flow +@parm enum RTL_NP_PROTOCOL | protocol | The protocol to add +@parm ipaddr_t | intIp | Internal IP address +@parm uint32 | intPort | Internal Port +@parm ipaddr_t | extIp | External IP address +@parm uint32 | extPort | External Port +@parm ipaddr_t | remIp | Remote IP address +@parm uint32 | remPort | Remote Port +@parm enum RTL_NP_FLAGS | flags | reserved for future used +@rvalue RTL_SUCCESS | Add success (can be ASIC-accelerated) +@rvalue RTL_SUCCESS | Add success (cannot be ASIC-accelerated) +@rvalue RTL_ERROR_PARAMETER | Error parameter is given +@rvalue RTL_EXIST | Add an existed flow +@rvalue RTL_FAILED | General failure +@comm + Add a NAPT Flow Entry to L4 TCP/UDP NAPT Table(1024-Entry) +@devnote + Insert into ip_nat_setup_info() function in file net/ipv4/netfilter/ip_nat_core.c +*/ +int32 rtl865x_addNaptConnection(rtl865x_napt_entry *naptEntry, rtl865x_priority *prio); +/* +@func enum RTL_RESULT | rtl865x_delNaptConnection | Delete a NAPT Flow +@parm enum RTL_NP_PROTOCOL | protocol | The protocol to delete +@parm ipaddr_t | intIp | Internal IP address +@parm uint32 | intPort | Internal Port +@parm ipaddr_t | extIp | External IP address +@parm uint32 | extPort | External Port +@parm ipaddr_t | remIp | Remote IP address +@parm uint32 | remPort | Remote Port +@rvalue RTL_SUCCESS | Delete success +@rvalue RTL_NONEXIST | Delete a non-existed flow +@rvalue RTL_FAILED | General failure +@comm + Delete a NAPT Flow Entry of L4 TCP/UDP NAPT Table(1024-Entry) +@devnote + Insert into ip_nat_cleanup_conntrack() function in file net/ipv4/netfilter/ip_nat_core.c +*/ +int32 rtl865x_delNaptConnection(rtl865x_napt_entry *naptEntry); + +int32 rtl865x_naptSync(rtl865x_napt_entry *naptEntry, uint32 refresh); + +#if defined (CONFIG_RTL_INBOUND_COLLISION_AVOIDANCE) +int rtl865x_optimizeExtPort(unsigned short origDelta, unsigned int rangeSize, unsigned short *newDelta); + +int rtl865x_getAsicNaptHashScore(rtl865x_napt_entry *naptEntry, + uint32 *naptHashScore); + +int32 rtl865x_preReserveConn(rtl865x_napt_entry *naptEntry); + +#endif +#if defined(CONFIG_RTL_HARDWARE_NAT) +int32 rtl_nat_expire_interval_update(int proto, int32 interval); +int32 rtl865x_nat_reinit(void); +#endif + +#endif + |