commit 824eb0c6ade808c4501e62fbcf0025f4e694cd11
author yuezonghe <zh.yue@mobiletek.cn> Thu Jun 27 02:32:26 2024 -0700
committer yuezonghe <zh.yue@mobiletek.cn> Thu Jun 27 02:44:13 2024 -0700
tree 13cee949649ece72b1c31aba2eea600eea6614d6
parent 703a1d3d22068e43b7bb3d63b3020b975fee9c3f

zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b

ap/os/linux/linux-3.4.x/include/net/SI/fastnat.h

diff --git a/ap/os/linux/linux-3.4.x/include/net/SI/fastnat.h b/ap/os/linux/linux-3.4.x/include/net/SI/fastnat.h
new file mode 100755
index 0000000..64f5191
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/include/net/SI/fastnat.h
@@ -0,0 +1,82 @@
+/* * 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
+