| /* * Copyright (c) 2011 Qualcomm Atheros, Inc. * */ |
| #ifndef _FAST_NAT_H |
| #define _FAST_NAT_H |
| |
| #include <linux/in.h> |
| #include <linux/ip.h> |
| #include <linux/udp.h> |
| #include <linux/tcp.h> |
| #include <linux/icmp.h> |
| #include <net/ip.h> |
| #include <linux/if_arp.h> |
| |
| #include <linux/inetdevice.h> |
| #include <linux/netfilter.h> |
| #include <linux/netfilter_ipv4.h> |
| #include <linux/netfilter_arp.h> |
| #include <linux/netfilter_ipv4/ip_tables.h> |
| #include <linux/netfilter/xt_multiport.h> |
| #include <linux/netfilter/xt_iprange.h> |
| #include <linux/netfilter/nf_conntrack_tcp.h> |
| #include <net/checksum.h> |
| #include <net/dsfield.h> |
| #include <net/route.h> |
| #include <net/netfilter/nf_nat.h> |
| #include <net/netfilter/nf_nat_core.h> |
| #include <net/netfilter/nf_nat_rule.h> |
| #include <net/netfilter/nf_conntrack_helper.h> |
| #include <linux/module.h> |
| |
| #include <linux/proc_fs.h> |
| |
| #include <net/SI/fast_common.h> |
| #include <net/SI/pkt_lost_track.h> |
| |
| /******************************ºê¶¨Òå***********************/ |
| /******************************ºê¶¨Òå***********************/ |
| /******************************ºê¶¨Òå***********************/ |
| |
| /******************************½á¹¹Ì嶨Òå***********************/ |
| /******************************½á¹¹Ì嶨Òå***********************/ |
| /******************************½á¹¹Ì嶨Òå***********************/ |
| typedef struct ack_delay_stats_s{ |
| unsigned long total_count; //×ÓÍø·¢Ë͸øÍâÍø¿ÚµÄ¶Ìack×ܸöÊý |
| unsigned long forword_count; //ÕæÕý·¢Ë͸øÍâÍø¿ÚµÄ¶Ìack±¨ÎĸöÊý |
| unsigned long drop_count; //Ö÷¶¯¶ªÆúµÄ¶Ìack±¨ÎĸöÊý |
| unsigned long timeout_xmit_count; //ack³¬Ê±ºó³ö·¢µÄ¶Ìack·¢Ë͸öÊý |
| unsigned long timeout_drop_count; //ûÓÐʵ¼ÊÒâÒ壬½¨ÒéÈ¥³ý |
| }ack_delay_stats_t; |
| |
| /******************************±äÁ¿ÉùÃ÷***********************/ |
| /******************************±äÁ¿ÉùÃ÷***********************/ |
| /******************************±äÁ¿ÉùÃ÷***********************/ |
| |
| extern spinlock_t fastnat_spinlock; //×ÔÐýËø£¬±£»¤Á´±íµÄ²Ù×÷ |
| extern fast_list_t working_list; |
| extern struct hlist_nulls_head *working_hash; |
| extern traverse_command_t timeout_cmd; |
| |
| extern struct ack_delay_stats_s ack_delay_stats; |
| |
| extern int ackdrop_maxnum; |
| extern int ackdrop_tick_num; |
| extern int fastnat_ack_param; |
| |
| /******************************½Ó¿ÚÉùÃ÷***********************/ |
| /******************************½Ó¿ÚÉùÃ÷***********************/ |
| /******************************½Ó¿ÚÉùÃ÷***********************/ |
| int fast_nat_get_tuple(struct sk_buff *skb, struct nf_conntrack_tuple *tuple); |
| |
| int fast_nat_recv(struct sk_buff *skb); |
| |
| unsigned int napt_handle(unsigned int hooknum, |
| struct sk_buff *skb, |
| const struct net_device *in, |
| const struct net_device *out, int (*okfn) (struct sk_buff *)); |
| |
| int ackfilter(struct sk_buff *skb, fast_entry_t *nat_entry, fast_list_t *list_head); |
| int tcpack_timeout(fast_entry_t *entry, unsigned long *next_schedule, int *set_next); |
| int tcpack_rel(fast_entry_t *entry); |
| |
| #endif //_FAST_NAT_H |
| |