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- // SPDX-License-Identifier: GPL-2.0-only
- /* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
- *
- * RMNET PERF TCP framework
- *
- */
- #include <linux/types.h>
- #include <linux/module.h>
- #include <linux/moduleparam.h>
- #include <linux/skbuff.h>
- #include <linux/spinlock.h>
- #include <linux/rcupdate.h>
- #include <linux/hashtable.h>
- #include <linux/log2.h>
- #include <linux/workqueue.h>
- #include <net/ip.h>
- #include <net/inet_hashtables.h>
- #include <net/ipv6.h>
- #include <net/inet6_hashtables.h>
- #include <net/tcp.h>
- #include <net/sock.h>
- #include "rmnet_private.h"
- #include "rmnet_perf_tcp.h"
- #define DATARMNET3dad3dfdc0 ((0x16a8+1565-0x14f5))
- #define DATARMNETe6309522cf ((0xdf7+6169-0x241c))
- #define DATARMNET99a2e6e390 (192000)
- #define DATARMNET714c9c3081 ((0xeb7+1158-0x132d))
- #define DATARMNET347bd5eb15 \
- (const_ilog2(DATARMNET714c9c3081))
- enum{DATARMNETe0e37fef7a,DATARMNETf354672897,DATARMNET9cc765a89e,
- DATARMNETb03f9571a3,DATARMNET53c8cfb28e,DATARMNET74f0a28fec,DATARMNETaa18c75b61,
- };struct DATARMNET4b40fe9cd4{union{__be32 DATARMNETdfe430c2d6;struct in6_addr
- DATARMNET815cbb4bf5;};union{__be32 DATARMNET2cb607d686;struct in6_addr
- DATARMNETc3f31215b7;};union{struct{__be16 DATARMNET08e913477e;__be16
- DATARMNETda7f7fa492;};u32 DATARMNET556bcfcf8f;};u8 DATARMNET0d956cc77a;};struct
- DATARMNETddbc1e5435{struct hlist_node hash;struct rcu_head DATARMNET28bfe9e6ad;
- struct DATARMNET4b40fe9cd4 DATARMNET54338da2ff;unsigned long DATARMNET763f2e5fac
- ;u32 DATARMNETfef3675ce7;u32 DATARMNET9076d335ab;u32 DATARMNET9c389f3b86;u32
- DATARMNET9a57846b4e;u32 DATARMNETb8fc35ed64;bool DATARMNET55056146f6;u8
- DATARMNET1717afebc7;};struct DATARMNET74cfea3d20{struct delayed_work
- DATARMNET190b4452e8;bool DATARMNETcd94e0d3c7;};static DEFINE_SPINLOCK(
- DATARMNET8e3721c47d);static DEFINE_HASHTABLE(DATARMNET1fd012f255,
- DATARMNET347bd5eb15);static u32 DATARMNET1c62a8e2c9;static struct
- DATARMNET74cfea3d20 DATARMNETac6535da80;static u32 DATARMNET84337b8855=
- (0xeb7+698-0x110d);module_param_named(rmnet_perf_tcp_knob0,DATARMNET84337b8855,
- uint,(0xdb7+6665-0x261c));static u64 DATARMNETeb09e391b5[DATARMNETaa18c75b61];
- module_param_array_named(rmnet_perf_tcp_stat,DATARMNETeb09e391b5,ullong,NULL,
- (0xcb7+5769-0x221c));static void DATARMNET32b91c8ae6(u32 DATARMNET248f120dd5){if
- (DATARMNET248f120dd5<DATARMNETaa18c75b61)DATARMNETeb09e391b5[DATARMNET248f120dd5
- ]+=(0xd26+209-0xdf6);}static bool DATARMNETd92eab34a9(struct DATARMNETddbc1e5435
- *DATARMNET63b1a086d5,unsigned long DATARMNET763f2e5fac){unsigned long
- DATARMNETc2d5c71ce1;DATARMNETc2d5c71ce1=msecs_to_jiffies(DATARMNET3dad3dfdc0);if
- (DATARMNET763f2e5fac-DATARMNET63b1a086d5->DATARMNET763f2e5fac>
- DATARMNETc2d5c71ce1)return true;return false;}static void DATARMNET776e08992c(
- struct rcu_head*DATARMNET5d432e897f){struct DATARMNETddbc1e5435*
- DATARMNET63b1a086d5;DATARMNET63b1a086d5=container_of(DATARMNET5d432e897f,struct
- DATARMNETddbc1e5435,DATARMNET28bfe9e6ad);kfree(DATARMNET63b1a086d5);}static bool
- DATARMNETb8167597bc(bool DATARMNETe78ad140cc){struct DATARMNETddbc1e5435*
- DATARMNET63b1a086d5;struct hlist_node*DATARMNET0386f6f82a;unsigned long
- DATARMNET763f2e5fac;int DATARMNET5c2fd31d7b;DATARMNET763f2e5fac=jiffies;
- hash_for_each_safe(DATARMNET1fd012f255,DATARMNET5c2fd31d7b,DATARMNET0386f6f82a,
- DATARMNET63b1a086d5,hash){if(DATARMNET63b1a086d5->DATARMNET1717afebc7)continue;
- if(DATARMNETe78ad140cc||DATARMNETd92eab34a9(DATARMNET63b1a086d5,
- DATARMNET763f2e5fac)){DATARMNET63b1a086d5->DATARMNET1717afebc7=true;hash_del_rcu
- (&DATARMNET63b1a086d5->hash);call_rcu(&DATARMNET63b1a086d5->DATARMNET28bfe9e6ad,
- DATARMNET776e08992c);DATARMNET32b91c8ae6(DATARMNET9cc765a89e);
- DATARMNET1c62a8e2c9--;}}return!!DATARMNET1c62a8e2c9;}static void
- DATARMNETfec9085d8e(struct work_struct*DATARMNET190b4452e8){struct
- DATARMNET74cfea3d20*DATARMNET9dd153bdf2;unsigned long DATARMNETfb0677cc3c;bool
- DATARMNET6e1c466378;DATARMNET9dd153bdf2=container_of(to_delayed_work(
- DATARMNET190b4452e8),struct DATARMNET74cfea3d20,DATARMNET190b4452e8);
- spin_lock_irqsave(&DATARMNET8e3721c47d,DATARMNETfb0677cc3c);DATARMNET6e1c466378=
- DATARMNETb8167597bc(DATARMNET9dd153bdf2->DATARMNETcd94e0d3c7);if(
- DATARMNET6e1c466378){unsigned long DATARMNETf71ef1b8da;DATARMNETf71ef1b8da=
- msecs_to_jiffies(DATARMNETe6309522cf);schedule_delayed_work(&DATARMNET9dd153bdf2
- ->DATARMNET190b4452e8,DATARMNETf71ef1b8da);}spin_unlock_irqrestore(&
- DATARMNET8e3721c47d,DATARMNETfb0677cc3c);}static bool DATARMNET2f1039220d(struct
- DATARMNET4b40fe9cd4*DATARMNETae0905b0b3,struct DATARMNET4b40fe9cd4*
- DATARMNETdb49f21565){if(DATARMNETae0905b0b3->DATARMNET0d956cc77a!=
- DATARMNETdb49f21565->DATARMNET0d956cc77a||DATARMNETae0905b0b3->
- DATARMNET08e913477e!=DATARMNETdb49f21565->DATARMNET08e913477e||
- DATARMNETae0905b0b3->DATARMNETda7f7fa492!=DATARMNETdb49f21565->
- DATARMNETda7f7fa492)return false;if(DATARMNETae0905b0b3->DATARMNET0d956cc77a==
- (0xd11+230-0xdf3))return DATARMNETae0905b0b3->DATARMNETdfe430c2d6==
- DATARMNETdb49f21565->DATARMNETdfe430c2d6&&DATARMNETae0905b0b3->
- DATARMNET2cb607d686==DATARMNETdb49f21565->DATARMNET2cb607d686;return!
- ipv6_addr_cmp(&DATARMNETae0905b0b3->DATARMNET815cbb4bf5,&DATARMNETdb49f21565->
- DATARMNET815cbb4bf5)&&!ipv6_addr_cmp(&DATARMNETae0905b0b3->DATARMNETc3f31215b7,&
- DATARMNETdb49f21565->DATARMNETc3f31215b7);}static struct DATARMNETddbc1e5435*
- DATARMNETba919c78e5(struct DATARMNET4b40fe9cd4*DATARMNET3396919a68)__must_hold(&
- DATARMNET8e3721c47d){struct DATARMNETddbc1e5435*DATARMNET63b1a086d5;if(
- DATARMNET1c62a8e2c9>=DATARMNET84337b8855)return NULL;DATARMNET63b1a086d5=kzalloc
- (sizeof(*DATARMNET63b1a086d5),GFP_ATOMIC);if(!DATARMNET63b1a086d5){
- DATARMNET32b91c8ae6(DATARMNETf354672897);return NULL;}INIT_HLIST_NODE(&
- DATARMNET63b1a086d5->hash);memcpy(&DATARMNET63b1a086d5->DATARMNET54338da2ff,
- DATARMNET3396919a68,sizeof(*DATARMNET3396919a68));DATARMNET63b1a086d5->
- DATARMNET9a57846b4e=DATARMNET99a2e6e390;DATARMNET63b1a086d5->DATARMNET763f2e5fac
- =jiffies;hash_add_rcu(DATARMNET1fd012f255,&DATARMNET63b1a086d5->hash,
- DATARMNET3396919a68->DATARMNET556bcfcf8f);DATARMNET32b91c8ae6(
- DATARMNETe0e37fef7a);if(!DATARMNET1c62a8e2c9){unsigned long DATARMNETf71ef1b8da;
- DATARMNETf71ef1b8da=msecs_to_jiffies(DATARMNETe6309522cf);schedule_delayed_work(
- &DATARMNETac6535da80.DATARMNET190b4452e8,DATARMNETf71ef1b8da);}
- DATARMNET1c62a8e2c9++;return DATARMNET63b1a086d5;}static void
- DATARMNET11a5f0fd38(struct DATARMNETddbc1e5435*DATARMNET63b1a086d5,struct
- sk_buff*DATARMNET543491eb0f,bool DATARMNETd147c14c0e)__must_hold(RCU){struct
- tcphdr*DATARMNET668416551c=tcp_hdr(DATARMNET543491eb0f);struct rmnet_skb_cb*
- DATARMNET1ec4882bf7=RMNET_SKB_CB(DATARMNET543491eb0f);DATARMNET63b1a086d5->
- DATARMNET9c389f3b86=DATARMNET543491eb0f->hash;if(DATARMNETd147c14c0e){u32
- DATARMNET9076d335ab=ntohl(DATARMNET668416551c->ack_seq);WRITE_ONCE(
- DATARMNET63b1a086d5->DATARMNET9076d335ab,DATARMNET9076d335ab);WRITE_ONCE(
- DATARMNET63b1a086d5->DATARMNETfef3675ce7,DATARMNET9076d335ab);}else{u32
- DATARMNETfef3675ce7=ntohl(DATARMNET668416551c->seq);WRITE_ONCE(
- DATARMNET63b1a086d5->DATARMNETfef3675ce7,DATARMNETfef3675ce7);WRITE_ONCE(
- DATARMNET63b1a086d5->DATARMNET9076d335ab,DATARMNETfef3675ce7-(0xd26+209-0xdf6));
- DATARMNET1ec4882bf7->bif=(0xd2d+202-0xdf7);DATARMNET1ec4882bf7->ack_thresh=
- READ_ONCE(DATARMNET63b1a086d5->DATARMNET9a57846b4e);}}static struct
- DATARMNETddbc1e5435*DATARMNET9f0aaf07cc(struct DATARMNET4b40fe9cd4*
- DATARMNET3396919a68,struct sk_buff*DATARMNET543491eb0f,bool DATARMNETd147c14c0e)
- __must_hold(RCU){struct DATARMNETddbc1e5435*DATARMNET63b1a086d5;unsigned long
- DATARMNETfb0677cc3c;spin_lock_irqsave(&DATARMNET8e3721c47d,DATARMNETfb0677cc3c);
- hash_for_each_possible_rcu(DATARMNET1fd012f255,DATARMNET63b1a086d5,hash,
- DATARMNET3396919a68->DATARMNET556bcfcf8f){if(DATARMNET63b1a086d5->
- DATARMNET1717afebc7)continue;if(DATARMNET2f1039220d(&DATARMNET63b1a086d5->
- DATARMNET54338da2ff,DATARMNET3396919a68)){spin_unlock_irqrestore(&
- DATARMNET8e3721c47d,DATARMNETfb0677cc3c);return DATARMNET63b1a086d5;}}
- DATARMNET63b1a086d5=DATARMNETba919c78e5(DATARMNET3396919a68);
- spin_unlock_irqrestore(&DATARMNET8e3721c47d,DATARMNETfb0677cc3c);if(
- DATARMNET63b1a086d5)DATARMNET11a5f0fd38(DATARMNET63b1a086d5,DATARMNET543491eb0f,
- DATARMNETd147c14c0e);return DATARMNET63b1a086d5;}static struct sock*
- DATARMNETc0b5d624ae(struct DATARMNET4b40fe9cd4*DATARMNET3396919a68,struct
- net_device*DATARMNETc96400be1e){struct net*net=dev_net(DATARMNETc96400be1e);if(
- DATARMNET3396919a68->DATARMNET0d956cc77a==(0xd11+230-0xdf3))return
- inet_lookup_established(net,&tcp_hashinfo,DATARMNET3396919a68->
- DATARMNETdfe430c2d6,DATARMNET3396919a68->DATARMNET08e913477e,DATARMNET3396919a68
- ->DATARMNET2cb607d686,DATARMNET3396919a68->DATARMNETda7f7fa492,
- DATARMNETc96400be1e->ifindex);return __inet6_lookup_established(net,&
- tcp_hashinfo,&DATARMNET3396919a68->DATARMNET815cbb4bf5,DATARMNET3396919a68->
- DATARMNET08e913477e,&DATARMNET3396919a68->DATARMNETc3f31215b7,ntohs(
- DATARMNET3396919a68->DATARMNETda7f7fa492),DATARMNETc96400be1e->ifindex,
- (0xd2d+202-0xdf7));}static void DATARMNET31a7673e56(struct DATARMNETddbc1e5435*
- DATARMNET63b1a086d5,struct sk_buff*DATARMNET543491eb0f)__must_hold(RCU){struct
- sock*sk;if(DATARMNET543491eb0f->sk){sk=DATARMNET543491eb0f->sk;if(sk_fullsock(sk
- )){if(sk->sk_state==TCP_ESTABLISHED&&!sock_flag(sk,SOCK_DEAD)&&!sk_unhashed(sk)
- &&sk->sk_shutdown!=SHUTDOWN_MASK){inet_csk(sk)->icsk_ack.pending|=ICSK_ACK_NOW;
- DATARMNET63b1a086d5->DATARMNETb8fc35ed64++;DATARMNET32b91c8ae6(
- DATARMNET74f0a28fec);}}return;}sk=DATARMNETc0b5d624ae(&DATARMNET63b1a086d5->
- DATARMNET54338da2ff,DATARMNET543491eb0f->dev);if(!sk){struct rmnet_skb_cb*
- DATARMNET1ec4882bf7=RMNET_SKB_CB(DATARMNET543491eb0f);DATARMNET32b91c8ae6(
- DATARMNETb03f9571a3);DATARMNET63b1a086d5->DATARMNET55056146f6=true;
- DATARMNET1ec4882bf7->tethered=true;return;}if(sk_fullsock(sk)){bh_lock_sock(sk);
- if(sk->sk_state==TCP_ESTABLISHED&&!sock_flag(sk,SOCK_DEAD)&&!sk_unhashed(sk)&&sk
- ->sk_shutdown!=SHUTDOWN_MASK){inet_csk(sk)->icsk_ack.pending|=ICSK_ACK_NOW;
- inet_csk_schedule_ack(sk);DATARMNET63b1a086d5->DATARMNETb8fc35ed64++;
- DATARMNET32b91c8ae6(DATARMNET53c8cfb28e);}bh_unlock_sock(sk);}sock_gen_put(sk);}
- static u32 DATARMNET62fb576113(struct sk_buff*DATARMNET543491eb0f){struct tcphdr
- *DATARMNET668416551c=tcp_hdr(DATARMNET543491eb0f);return DATARMNET543491eb0f->
- len-((u8*)DATARMNET668416551c-DATARMNET543491eb0f->data)-DATARMNET668416551c->
- doff*(0xd11+230-0xdf3);}static void DATARMNET55fda9e01e(struct
- DATARMNETddbc1e5435*DATARMNET63b1a086d5,struct sk_buff*DATARMNET543491eb0f,bool
- DATARMNETd147c14c0e)__must_hold(RCU){struct tcphdr*DATARMNET668416551c=tcp_hdr(
- DATARMNET543491eb0f);u32 DATARMNET26945497d8=ntohl(DATARMNET668416551c->seq);u32
- DATARMNETb1b0ee1b2d=ntohl(DATARMNET668416551c->ack_seq);u32 DATARMNETb6ff6d25f8
- =READ_ONCE(DATARMNET63b1a086d5->DATARMNETfef3675ce7);u32 DATARMNET91c1d5c029=
- READ_ONCE(DATARMNET63b1a086d5->DATARMNET9076d335ab);u32 DATARMNET9445bc443c=
- READ_ONCE(DATARMNET63b1a086d5->DATARMNET9a57846b4e);DATARMNET63b1a086d5->
- DATARMNET763f2e5fac=jiffies;if(DATARMNET63b1a086d5->DATARMNET55056146f6)return;
- if(DATARMNETd147c14c0e){if(after(DATARMNETb1b0ee1b2d,DATARMNET91c1d5c029)){u32
- DATARMNET4e557c82d6=(0xd2d+202-0xdf7);if(DATARMNETb1b0ee1b2d>DATARMNETb6ff6d25f8
- )DATARMNET4e557c82d6=DATARMNETb1b0ee1b2d-DATARMNETb6ff6d25f8;if(
- DATARMNET4e557c82d6>DATARMNET9445bc443c)DATARMNET31a7673e56(DATARMNET63b1a086d5,
- DATARMNET543491eb0f);WRITE_ONCE(DATARMNET63b1a086d5->DATARMNET9076d335ab,
- DATARMNETb1b0ee1b2d);}}else{u32 DATARMNET4e557c82d6;if(after(DATARMNET26945497d8
- ,DATARMNETb6ff6d25f8)){DATARMNET4e557c82d6=DATARMNET26945497d8-
- DATARMNET91c1d5c029;DATARMNET4e557c82d6+=DATARMNET62fb576113(DATARMNET543491eb0f
- );if(DATARMNET4e557c82d6>DATARMNET9445bc443c)DATARMNET31a7673e56(
- DATARMNET63b1a086d5,DATARMNET543491eb0f);WRITE_ONCE(DATARMNET63b1a086d5->
- DATARMNETfef3675ce7,DATARMNET26945497d8);}}}static bool DATARMNET6670717310(
- struct sk_buff*DATARMNET543491eb0f,struct DATARMNET4b40fe9cd4*
- DATARMNET3396919a68){struct tcphdr*DATARMNET668416551c;u32 DATARMNETd660a1a629;
- if(!skb_transport_header_was_set(DATARMNET543491eb0f)||DATARMNET543491eb0f->
- ip_summed==CHECKSUM_NONE)return false;DATARMNET668416551c=tcp_hdr(
- DATARMNET543491eb0f);if(DATARMNET668416551c->syn)return false;
- DATARMNETd660a1a629=DATARMNET62fb576113(DATARMNET543491eb0f);if(!
- DATARMNETd660a1a629&&DATARMNET668416551c->ack)return false;DATARMNET3396919a68->
- DATARMNET08e913477e=DATARMNET668416551c->source;DATARMNET3396919a68->
- DATARMNETda7f7fa492=DATARMNET668416551c->dest;if(DATARMNET543491eb0f->protocol==
- htons(ETH_P_IP)){struct iphdr*DATARMNET86f1f2cdc9=ip_hdr(DATARMNET543491eb0f);
- DATARMNET3396919a68->DATARMNETdfe430c2d6=DATARMNET86f1f2cdc9->saddr;
- DATARMNET3396919a68->DATARMNET2cb607d686=DATARMNET86f1f2cdc9->daddr;
- DATARMNET3396919a68->DATARMNET0d956cc77a=(0xd11+230-0xdf3);}else{struct ipv6hdr*
- DATARMNETbf55123e5b=ipv6_hdr(DATARMNET543491eb0f);memcpy(&DATARMNET3396919a68->
- DATARMNET815cbb4bf5,&DATARMNETbf55123e5b->saddr,sizeof(DATARMNETbf55123e5b->
- saddr));memcpy(&DATARMNET3396919a68->DATARMNETc3f31215b7,&DATARMNETbf55123e5b->
- daddr,sizeof(DATARMNETbf55123e5b->daddr));DATARMNET3396919a68->
- DATARMNET0d956cc77a=(0xd03+244-0xdf1);}return true;}void DATARMNET9250714999(
- struct sk_buff*DATARMNET543491eb0f){struct rmnet_skb_cb*DATARMNET1ec4882bf7=
- RMNET_SKB_CB(DATARMNET543491eb0f);struct DATARMNET4b40fe9cd4 DATARMNET3396919a68
- ={};struct DATARMNETddbc1e5435*DATARMNET63b1a086d5;if(!DATARMNET6670717310(
- DATARMNET543491eb0f,&DATARMNET3396919a68))return;rcu_read_lock();
- DATARMNET63b1a086d5=DATARMNET9f0aaf07cc(&DATARMNET3396919a68,DATARMNET543491eb0f
- ,false);if(!DATARMNET63b1a086d5)goto DATARMNETbf4095f79e;if(unlikely(
- DATARMNETd92eab34a9(DATARMNET63b1a086d5,jiffies)))goto DATARMNETbf4095f79e;if(
- DATARMNET63b1a086d5->DATARMNET55056146f6){DATARMNET1ec4882bf7->tethered=true;}
- else{u32 DATARMNET4e557c82d6=READ_ONCE(DATARMNET63b1a086d5->DATARMNETfef3675ce7)
- -READ_ONCE(DATARMNET63b1a086d5->DATARMNET9076d335ab);DATARMNET1ec4882bf7->bif=
- DATARMNET4e557c82d6;DATARMNET1ec4882bf7->ack_thresh=READ_ONCE(
- DATARMNET63b1a086d5->DATARMNET9a57846b4e);DATARMNET1ec4882bf7->ack_forced=
- DATARMNET63b1a086d5->DATARMNETb8fc35ed64;}DATARMNETbf4095f79e:rcu_read_unlock();
- }void DATARMNETd8fdde8978(struct sk_buff*DATARMNET543491eb0f){struct
- DATARMNET4b40fe9cd4 DATARMNET3396919a68={};struct DATARMNETddbc1e5435*
- DATARMNET63b1a086d5;if(!DATARMNET6670717310(DATARMNET543491eb0f,&
- DATARMNET3396919a68))return;rcu_read_lock();DATARMNET63b1a086d5=
- DATARMNET9f0aaf07cc(&DATARMNET3396919a68,DATARMNET543491eb0f,false);if(
- DATARMNET63b1a086d5){if(likely(!DATARMNETd92eab34a9(DATARMNET63b1a086d5,jiffies)
- ))DATARMNET55fda9e01e(DATARMNET63b1a086d5,DATARMNET543491eb0f,false);}
- rcu_read_unlock();}void DATARMNET9d574e64b1(struct sk_buff*DATARMNET543491eb0f){
- struct DATARMNET4b40fe9cd4 DATARMNET3396919a68={};struct DATARMNETddbc1e5435*
- DATARMNET63b1a086d5;struct tcphdr*DATARMNET668416551c;u32 DATARMNETd660a1a629;if
- (!skb_transport_header_was_set(DATARMNET543491eb0f))return;DATARMNET668416551c=
- tcp_hdr(DATARMNET543491eb0f);if(DATARMNET668416551c->syn)return;
- DATARMNETd660a1a629=DATARMNET62fb576113(DATARMNET543491eb0f);if(
- DATARMNETd660a1a629||!DATARMNET668416551c->ack)return;DATARMNET3396919a68.
- DATARMNET08e913477e=DATARMNET668416551c->dest;DATARMNET3396919a68.
- DATARMNETda7f7fa492=DATARMNET668416551c->source;if(DATARMNET543491eb0f->protocol
- ==htons(ETH_P_IP)){struct iphdr*DATARMNET86f1f2cdc9=ip_hdr(DATARMNET543491eb0f);
- DATARMNET3396919a68.DATARMNETdfe430c2d6=DATARMNET86f1f2cdc9->daddr;
- DATARMNET3396919a68.DATARMNET2cb607d686=DATARMNET86f1f2cdc9->saddr;
- DATARMNET3396919a68.DATARMNET0d956cc77a=(0xd11+230-0xdf3);}else{struct ipv6hdr*
- DATARMNETbf55123e5b=ipv6_hdr(DATARMNET543491eb0f);memcpy(&DATARMNET3396919a68.
- DATARMNET815cbb4bf5,&DATARMNETbf55123e5b->daddr,sizeof(DATARMNETbf55123e5b->
- daddr));memcpy(&DATARMNET3396919a68.DATARMNETc3f31215b7,&DATARMNETbf55123e5b->
- saddr,sizeof(DATARMNETbf55123e5b->saddr));DATARMNET3396919a68.
- DATARMNET0d956cc77a=(0xd03+244-0xdf1);}rcu_read_lock();DATARMNET63b1a086d5=
- DATARMNET9f0aaf07cc(&DATARMNET3396919a68,DATARMNET543491eb0f,true);if(
- DATARMNET63b1a086d5){if(likely(!DATARMNETd92eab34a9(DATARMNET63b1a086d5,jiffies)
- ))DATARMNET55fda9e01e(DATARMNET63b1a086d5,DATARMNET543491eb0f,true);}
- rcu_read_unlock();}void DATARMNET7fa1835595(u32 DATARMNET556bcfcf8f,u32
- DATARMNET9445bc443c){struct DATARMNETddbc1e5435*DATARMNET63b1a086d5;int
- DATARMNET5c2fd31d7b;if(DATARMNET556bcfcf8f==(0xd2d+202-0xdf7)){if(
- DATARMNET9445bc443c==(0xd2d+202-0xdf7)){DATARMNETc03b668e4c=false;}else if(
- DATARMNET9445bc443c==(0xd26+209-0xdf6)){DATARMNETc03b668e4c=true;}return;}
- rcu_read_lock();hash_for_each_rcu(DATARMNET1fd012f255,DATARMNET5c2fd31d7b,
- DATARMNET63b1a086d5,hash){if(DATARMNET63b1a086d5->DATARMNET9c389f3b86==
- DATARMNET556bcfcf8f)WRITE_ONCE(DATARMNET63b1a086d5->DATARMNET9a57846b4e,
- DATARMNET9445bc443c);}rcu_read_unlock();}int DATARMNET7e9995246e(void){
- INIT_DELAYED_WORK(&DATARMNETac6535da80.DATARMNET190b4452e8,DATARMNETfec9085d8e);
- return(0xd2d+202-0xdf7);}void DATARMNET38bb6f2b7a(void){cancel_delayed_work_sync
- (&DATARMNETac6535da80.DATARMNET190b4452e8);DATARMNETac6535da80.
- DATARMNETcd94e0d3c7=true;schedule_delayed_work(&DATARMNETac6535da80.
- DATARMNET190b4452e8,(0xd2d+202-0xdf7));cancel_delayed_work_sync(&
- DATARMNETac6535da80.DATARMNET190b4452e8);}
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