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- // SPDX-License-Identifier: GPL-2.0-only
- /* Copyright (c) 2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
- *
- * RMNET WLAN connection management framework
- *
- */
- #include <linux/types.h>
- #include <linux/skbuff.h>
- #include <linux/netdevice.h>
- #include <linux/spinlock.h>
- #include <linux/rcupdate.h>
- #include <linux/hashtable.h>
- #include <linux/if_ether.h>
- #include <linux/hrtimer.h>
- #include <net/ip.h>
- #include <net/ipv6.h>
- #include <net/dst.h>
- #include <net/netfilter/nf_conntrack.h>
- #include "rmnet_module.h"
- #include "rmnet_wlan.h"
- #include "rmnet_wlan_connection.h"
- #include "rmnet_wlan_stats.h"
- #define DATARMNET5da8c68c19 (2000000000)
- #define DATARMNET8fc07fbb24 ((0xeb7+1158-0x132d))
- #define DATARMNETeaf0945284 \
- (const_ilog2(DATARMNET8fc07fbb24))
- extern void(*rmnet_wlan_ll_tuple_hook)(struct sk_buff*DATARMNET543491eb0f);
- struct DATARMNET4f49486833{struct hlist_node DATARMNETe8608dd267;struct rcu_head
- DATARMNET28bfe9e6ad;struct hrtimer DATARMNET9f31ce5d2d;struct
- DATARMNET0ca9d8ead7 DATARMNET54338da2ff;struct DATARMNET8d3c2559ca
- DATARMNET7ed5754a5c;};static DEFINE_SPINLOCK(DATARMNET820642743b);static
- DEFINE_HASHTABLE(DATARMNET5413d6f8ec,DATARMNETeaf0945284);
- #define DATARMNET898fc3651c (0xef7+694-0x112d)
- #define DATARMNET20defbe7a0 (0xf07+3965-0x1a3c)
- static bool DATARMNET5f3c9ed4da(struct DATARMNET0ca9d8ead7*DATARMNET75decd6f60,
- struct DATARMNET0ca9d8ead7*DATARMNET6745cad668){if(DATARMNET75decd6f60->
- DATARMNET0d956cc77a!=DATARMNET6745cad668->DATARMNET0d956cc77a)return false;if(
- DATARMNET75decd6f60->DATARMNET0d956cc77a==(0xd11+230-0xdf3))return
- DATARMNET75decd6f60->DATARMNETdfe430c2d6==DATARMNET6745cad668->
- DATARMNETdfe430c2d6&&DATARMNET75decd6f60->DATARMNET2cb607d686==
- DATARMNET6745cad668->DATARMNET2cb607d686;return!ipv6_addr_cmp(&
- DATARMNET75decd6f60->DATARMNET815cbb4bf5,&DATARMNET6745cad668->
- DATARMNET815cbb4bf5)&&!ipv6_addr_cmp(&DATARMNET75decd6f60->DATARMNETc3f31215b7,&
- DATARMNET6745cad668->DATARMNETc3f31215b7);}static enum hrtimer_restart
- DATARMNET299a8a08b5(struct hrtimer*DATARMNET6e4292679f){struct
- DATARMNET4f49486833*DATARMNET63b1a086d5;unsigned long DATARMNETfb0677cc3c;
- spin_lock_irqsave(&DATARMNET820642743b,DATARMNETfb0677cc3c);DATARMNET63b1a086d5=
- container_of(DATARMNET6e4292679f,struct DATARMNET4f49486833,DATARMNET9f31ce5d2d)
- ;hash_del_rcu(&DATARMNET63b1a086d5->DATARMNETe8608dd267);kfree_rcu(
- DATARMNET63b1a086d5,DATARMNET28bfe9e6ad);spin_unlock_irqrestore(&
- DATARMNET820642743b,DATARMNETfb0677cc3c);return HRTIMER_NORESTART;}static
- rx_handler_result_t DATARMNETc9ed97754a(struct sk_buff*DATARMNET543491eb0f,
- uint8_t DATARMNET1a901c3d09){if(DATARMNET543491eb0f->dev&&(DATARMNET543491eb0f->
- protocol==htons(ETH_P_IP))&&DATARMNET1a901c3d09==DATARMNET9bfbc31cd6){struct
- iphdr*DATARMNET86f1f2cdc9,DATARMNETbf6548198e;struct net_device*
- DATARMNET813ca18d06=NULL;struct flowi4 DATARMNET099aa93adc={};struct rtable*
- DATARMNET066b8bd537;struct neighbour*DATARMNET3f85732c70;int DATARMNET268a8314cf
- =(0xd2d+202-0xdf7);DATARMNET86f1f2cdc9=skb_header_pointer(DATARMNET543491eb0f,
- (0xd2d+202-0xdf7),sizeof(*DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!
- DATARMNET86f1f2cdc9){DATARMNET17f6bc1be5(DATARMNET15454f969d);goto
- DATARMNETc1174a0f45;}DATARMNET813ca18d06=dev_get_by_name_rcu(&init_net,
- DATARMNET934406764d());if(!DATARMNET813ca18d06){DATARMNET17f6bc1be5(
- DATARMNETfa4b3dd44a);goto DATARMNETc1174a0f45;}DATARMNET543491eb0f->dev=
- DATARMNET813ca18d06;memcpy(&DATARMNET099aa93adc.saddr,&DATARMNET86f1f2cdc9->
- saddr,sizeof(__be32));memcpy(&DATARMNET099aa93adc.daddr,&DATARMNET86f1f2cdc9->
- daddr,sizeof(__be32));DATARMNET099aa93adc.flowi4_oif=DATARMNET813ca18d06->
- ifindex;DATARMNET099aa93adc.flowi4_flags=FLOWI_FLAG_KNOWN_NH;DATARMNET066b8bd537
- =ip_route_output_key(&init_net,&DATARMNET099aa93adc);if(IS_ERR(
- DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET72ab5e86d8);goto
- DATARMNETc1174a0f45;}DATARMNET3f85732c70=dst_neigh_lookup(&DATARMNET066b8bd537->
- dst,&DATARMNET099aa93adc.daddr);ip_rt_put(DATARMNET066b8bd537);if(!
- DATARMNET3f85732c70){DATARMNET17f6bc1be5(DATARMNET0e6bd55b8b);goto
- DATARMNETc1174a0f45;}if(DATARMNET3f85732c70->dev!=DATARMNET543491eb0f->dev||!
- DATARMNET3f85732c70->dev->header_ops){DATARMNET17f6bc1be5(DATARMNET64aecaa865);
- neigh_release(DATARMNET3f85732c70);goto DATARMNETc1174a0f45;}DATARMNET268a8314cf
- =neigh_resolve_output(DATARMNET3f85732c70,DATARMNET543491eb0f);neigh_release(
- DATARMNET3f85732c70);if(likely(DATARMNET268a8314cf==NET_XMIT_SUCCESS||
- DATARMNET268a8314cf==NET_XMIT_CN)){DATARMNET17f6bc1be5(DATARMNETc1b437465b);}
- else{DATARMNET17f6bc1be5(DATARMNET43a65c0be7);}return RX_HANDLER_CONSUMED;}else
- if(DATARMNET543491eb0f->dev&&(DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6))
- &&DATARMNET1a901c3d09==DATARMNET9bfbc31cd6){struct ipv6hdr*DATARMNETbf55123e5b,
- DATARMNETcf1d9e2c1e;struct net_device*DATARMNET813ca18d06=NULL;struct flowi6
- DATARMNET8fbe36a2fa={};struct neighbour*DATARMNET3f85732c70;struct dst_entry*dst
- ;int DATARMNET268a8314cf=(0xd2d+202-0xdf7);DATARMNETbf55123e5b=
- skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*
- DATARMNETbf55123e5b),&DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b){
- DATARMNET17f6bc1be5(DATARMNET72f4fdd48a);goto DATARMNETc1174a0f45;}
- DATARMNET813ca18d06=dev_get_by_name_rcu(&init_net,DATARMNET934406764d());if(!
- DATARMNET813ca18d06){DATARMNET17f6bc1be5(DATARMNET9cff15f94d);goto
- DATARMNETc1174a0f45;}DATARMNET543491eb0f->dev=DATARMNET813ca18d06;memcpy(&
- DATARMNET8fbe36a2fa.saddr,&DATARMNETbf55123e5b->saddr,sizeof(struct in6_addr));
- memcpy(&DATARMNET8fbe36a2fa.daddr,&DATARMNETbf55123e5b->daddr,sizeof(struct
- in6_addr));DATARMNET8fbe36a2fa.flowi6_oif=DATARMNET813ca18d06->ifindex;
- DATARMNET8fbe36a2fa.flowi6_flags=FLOWI_FLAG_KNOWN_NH;dst=ipv6_stub->
- ipv6_dst_lookup_flow(&init_net,NULL,&DATARMNET8fbe36a2fa,NULL);if(IS_ERR(dst)){
- DATARMNET17f6bc1be5(DATARMNETbf6e6853f9);goto DATARMNETc1174a0f45;}
- DATARMNET3f85732c70=dst_neigh_lookup(dst,&DATARMNET8fbe36a2fa.daddr);dst_release
- (dst);if(!DATARMNET3f85732c70){DATARMNET17f6bc1be5(DATARMNETa0da722329);goto
- DATARMNETc1174a0f45;}if(DATARMNET3f85732c70->dev!=DATARMNET543491eb0f->dev||!
- DATARMNET3f85732c70->dev->header_ops){DATARMNET17f6bc1be5(DATARMNET729e252fb9);
- neigh_release(DATARMNET3f85732c70);goto DATARMNETc1174a0f45;}DATARMNET268a8314cf
- =neigh_resolve_output(DATARMNET3f85732c70,DATARMNET543491eb0f);neigh_release(
- DATARMNET3f85732c70);if(likely(DATARMNET268a8314cf==NET_XMIT_SUCCESS||
- DATARMNET268a8314cf==NET_XMIT_CN)){DATARMNET17f6bc1be5(DATARMNET04311361a2);}
- else{DATARMNET17f6bc1be5(DATARMNET13bbe5f5c5);}return RX_HANDLER_CONSUMED;}else
- if(DATARMNET543491eb0f->dev&&(DATARMNET543491eb0f->protocol==htons(ETH_P_IP))&&
- DATARMNET1a901c3d09==DATARMNET45ee632553){struct iphdr*DATARMNET86f1f2cdc9,
- DATARMNETbf6548198e;struct net_device*DATARMNET813ca18d06=NULL;struct flowi4
- DATARMNET099aa93adc={};struct dst_entry*DATARMNETb5af46179c;struct rtable*
- DATARMNET066b8bd537;struct net_device*DATARMNET39542b437e=NULL;
- DATARMNET86f1f2cdc9=skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),
- sizeof(*DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!DATARMNET86f1f2cdc9){
- DATARMNET17f6bc1be5(DATARMNET7803c877c0);goto DATARMNETc1174a0f45;}
- DATARMNET813ca18d06=dev_get_by_name_rcu(&init_net,DATARMNETe447822105());if(!
- DATARMNET813ca18d06){DATARMNET17f6bc1be5(DATARMNET0978ff973f);goto
- DATARMNETc1174a0f45;}memcpy(&DATARMNET099aa93adc.daddr,&DATARMNET86f1f2cdc9->
- daddr,sizeof(__be32));DATARMNET099aa93adc.flowi4_oif=DATARMNET813ca18d06->
- ifindex;DATARMNET099aa93adc.flowi4_flags=FLOWI_FLAG_KNOWN_NH;DATARMNET066b8bd537
- =ip_route_output_key(&init_net,&DATARMNET099aa93adc);if(IS_ERR(
- DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET666fc9a664);
- DATARMNET39542b437e=dev_get_by_name_rcu(&init_net,"dummy0");if(!
- DATARMNET39542b437e){DATARMNET17f6bc1be5(DATARMNET521b065310);goto
- DATARMNETc1174a0f45;}DATARMNET099aa93adc.flowi4_oif=DATARMNET39542b437e->ifindex
- ;DATARMNET099aa93adc.flowi4_flags=FLOWI_FLAG_KNOWN_NH;DATARMNET066b8bd537=
- ip_route_output_key(&init_net,&DATARMNET099aa93adc);if(IS_ERR(
- DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET8a15bcdcc7);goto
- DATARMNETc1174a0f45;}}memcpy(&DATARMNET099aa93adc.saddr,&DATARMNET86f1f2cdc9->
- saddr,sizeof(__be32));DATARMNETb5af46179c=xfrm_lookup(&init_net,&
- DATARMNET066b8bd537->dst,flowi4_to_flowi(&DATARMNET099aa93adc),NULL,
- (0xd2d+202-0xdf7));DATARMNET066b8bd537=(struct rtable*)DATARMNETb5af46179c;if(
- IS_ERR(DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNETddb1bc27cb);goto
- DATARMNETc1174a0f45;}skb_dst_set(DATARMNET543491eb0f,DATARMNETb5af46179c);
- dst_output(&init_net,NULL,DATARMNET543491eb0f);DATARMNET17f6bc1be5(
- DATARMNETc730640bf7);return RX_HANDLER_CONSUMED;}else if(DATARMNET543491eb0f->
- dev&&(DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6))&&DATARMNET1a901c3d09==
- DATARMNET45ee632553){struct ipv6hdr*DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;
- struct flowi6 DATARMNET8fbe36a2fa={};struct dst_entry*dst=NULL,*
- DATARMNETb5af46179c;struct rtable*DATARMNET066b8bd537;struct net_device*
- DATARMNET39542b437e=NULL;DATARMNETbf55123e5b=skb_header_pointer(
- DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*DATARMNETbf55123e5b),&
- DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b){DATARMNET17f6bc1be5(
- DATARMNET0b9541c9b3);goto DATARMNETc1174a0f45;}memcpy(&DATARMNET8fbe36a2fa.saddr
- ,&DATARMNETbf55123e5b->saddr,sizeof(struct in6_addr));memcpy(&
- DATARMNET8fbe36a2fa.daddr,&DATARMNETbf55123e5b->daddr,sizeof(struct in6_addr));
- dst=ipv6_stub->ipv6_dst_lookup_flow(&init_net,NULL,&DATARMNET8fbe36a2fa,NULL);if
- (IS_ERR(dst)){DATARMNET17f6bc1be5(DATARMNET0078f1d36d);DATARMNET39542b437e=
- dev_get_by_name_rcu(&init_net,"\x64\x75\x6d\x6d\x79\x30");if(!
- DATARMNET39542b437e){DATARMNET17f6bc1be5(DATARMNET7c6c30b7d2);goto
- DATARMNETc1174a0f45;}DATARMNET8fbe36a2fa.flowi6_oif=DATARMNET39542b437e->ifindex
- ;DATARMNET8fbe36a2fa.flowi6_flags=FLOWI_FLAG_KNOWN_NH;dst=ipv6_stub->
- ipv6_dst_lookup_flow(&init_net,NULL,&DATARMNET8fbe36a2fa,NULL);if(IS_ERR(dst)){
- DATARMNET17f6bc1be5(DATARMNET39d80cc483);goto DATARMNETc1174a0f45;}}
- DATARMNETb5af46179c=xfrm_lookup(&init_net,dst,flowi6_to_flowi(&
- DATARMNET8fbe36a2fa),NULL,(0xd2d+202-0xdf7));DATARMNET066b8bd537=(struct rtable*
- )DATARMNETb5af46179c;if(IS_ERR(DATARMNET066b8bd537)){DATARMNET17f6bc1be5(
- DATARMNET661bdeccd4);goto DATARMNETc1174a0f45;}skb_dst_set(DATARMNET543491eb0f,
- DATARMNETb5af46179c);dst_output(&init_net,NULL,DATARMNET543491eb0f);
- DATARMNET17f6bc1be5(DATARMNET28e7704d13);return RX_HANDLER_CONSUMED;}else if(
- DATARMNET543491eb0f->dev&&(DATARMNET543491eb0f->protocol==htons(ETH_P_IP))&&
- DATARMNET1a901c3d09==DATARMNET356f2a237e){struct iphdr*DATARMNET86f1f2cdc9,
- DATARMNETbf6548198e;struct flowi4 DATARMNET099aa93adc={};struct net_device*
- DATARMNET813ca18d06=NULL;struct dst_entry*DATARMNETb5af46179c;struct net_device*
- DATARMNET39542b437e=NULL;struct rtable*DATARMNET066b8bd537;DATARMNET86f1f2cdc9=
- skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*
- DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!DATARMNET86f1f2cdc9){
- DATARMNET17f6bc1be5(DATARMNET15454f969d);goto DATARMNETc1174a0f45;}
- DATARMNET813ca18d06=dev_get_by_name_rcu(&init_net,DATARMNET934406764d());if(!
- DATARMNET813ca18d06){DATARMNET17f6bc1be5(DATARMNET4c5aeeb476);goto
- DATARMNETc1174a0f45;}memcpy(&DATARMNET099aa93adc.daddr,&DATARMNET86f1f2cdc9->
- daddr,sizeof(__be32));DATARMNET099aa93adc.flowi4_oif=DATARMNET813ca18d06->
- ifindex;DATARMNET099aa93adc.flowi4_flags=FLOWI_FLAG_KNOWN_NH;DATARMNET066b8bd537
- =ip_route_output_key(&init_net,&DATARMNET099aa93adc);if(IS_ERR(
- DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET9bdb1c4072);
- DATARMNET39542b437e=dev_get_by_name_rcu(&init_net,"\x64\x75\x6d\x6d\x79\x30");if
- (!DATARMNET39542b437e){DATARMNET17f6bc1be5(DATARMNET5abdc89190);goto
- DATARMNETc1174a0f45;}DATARMNET099aa93adc.flowi4_oif=DATARMNET39542b437e->ifindex
- ;DATARMNET099aa93adc.flowi4_flags=FLOWI_FLAG_KNOWN_NH;DATARMNET066b8bd537=
- ip_route_output_key(&init_net,&DATARMNET099aa93adc);if(IS_ERR(
- DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET101af46c1c);goto
- DATARMNETc1174a0f45;}}memcpy(&DATARMNET099aa93adc.saddr,&DATARMNET86f1f2cdc9->
- saddr,sizeof(__be32));DATARMNETb5af46179c=xfrm_lookup(&init_net,&
- DATARMNET066b8bd537->dst,flowi4_to_flowi(&DATARMNET099aa93adc),NULL,
- (0xd2d+202-0xdf7));DATARMNET066b8bd537=(struct rtable*)DATARMNETb5af46179c;if(
- IS_ERR(DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET9a57ef32d3);goto
- DATARMNETc1174a0f45;}skb_dst_set(DATARMNET543491eb0f,DATARMNETb5af46179c);
- dst_output(&init_net,NULL,DATARMNET543491eb0f);DATARMNET17f6bc1be5(
- DATARMNET9a940d93dc);return RX_HANDLER_CONSUMED;}else if(DATARMNET543491eb0f->
- dev&&(DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6))&&DATARMNET1a901c3d09==
- DATARMNET356f2a237e){struct ipv6hdr*DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;
- struct flowi6 DATARMNET8fbe36a2fa={};struct dst_entry*dst=NULL,*
- DATARMNETb5af46179c;struct rtable*DATARMNET066b8bd537;struct net_device*
- DATARMNET39542b437e=NULL;DATARMNETbf55123e5b=skb_header_pointer(
- DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*DATARMNETbf55123e5b),&
- DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b){DATARMNET17f6bc1be5(
- DATARMNET6b0ed53aab);goto DATARMNETc1174a0f45;}memcpy(&DATARMNET8fbe36a2fa.saddr
- ,&DATARMNETbf55123e5b->saddr,sizeof(struct in6_addr));memcpy(&
- DATARMNET8fbe36a2fa.daddr,&DATARMNETbf55123e5b->daddr,sizeof(struct in6_addr));
- dst=ipv6_stub->ipv6_dst_lookup_flow(&init_net,NULL,&DATARMNET8fbe36a2fa,NULL);if
- (IS_ERR(dst)){DATARMNET17f6bc1be5(DATARMNET22ac945cae);DATARMNET39542b437e=
- dev_get_by_name_rcu(&init_net,"\x64\x75\x6d\x6d\x79\x30");if(!
- DATARMNET39542b437e){DATARMNET17f6bc1be5(DATARMNETf326b7c906);goto
- DATARMNETc1174a0f45;}DATARMNET8fbe36a2fa.flowi6_oif=DATARMNET39542b437e->ifindex
- ;DATARMNET8fbe36a2fa.flowi6_flags=FLOWI_FLAG_KNOWN_NH;dst=ipv6_stub->
- ipv6_dst_lookup_flow(&init_net,NULL,&DATARMNET8fbe36a2fa,NULL);if(IS_ERR(dst)){
- DATARMNET17f6bc1be5(DATARMNET544d78ede7);goto DATARMNETc1174a0f45;}}
- DATARMNETb5af46179c=xfrm_lookup(&init_net,dst,flowi6_to_flowi(&
- DATARMNET8fbe36a2fa),NULL,(0xd2d+202-0xdf7));DATARMNET066b8bd537=(struct rtable*
- )DATARMNETb5af46179c;if(IS_ERR(DATARMNET066b8bd537)){DATARMNET17f6bc1be5(
- DATARMNET97b44d0c09);goto DATARMNETc1174a0f45;}skb_dst_set(DATARMNET543491eb0f,
- DATARMNETb5af46179c);dst_output(&init_net,NULL,DATARMNET543491eb0f);
- DATARMNET17f6bc1be5(DATARMNETf954265acb);return RX_HANDLER_CONSUMED;}
- DATARMNETc1174a0f45:kfree_skb(DATARMNET543491eb0f);return RX_HANDLER_CONSUMED;}
- static rx_handler_result_t DATARMNET6e2f632fce(struct sk_buff*
- DATARMNET543491eb0f,uint8_t DATARMNET1a901c3d09){struct sk_buff*
- DATARMNETb6d6995997=NULL;unsigned int DATARMNETc26140baf9=(0xd2d+202-0xdf7);
- unsigned int DATARMNET3301d81682=(0xd2d+202-0xdf7);struct ipv6hdr*
- DATARMNETbf55123e5b,*DATARMNET0b51978dd7;struct frag_hdr*DATARMNET2d5a34898d,*
- DATARMNET4a64bfeda0;if(skb_linearize(DATARMNET543491eb0f)){DATARMNET17f6bc1be5(
- DATARMNET4f59e3a6e4);goto DATARMNET27d4697979;}if(DATARMNET543491eb0f->protocol
- !=htons(ETH_P_IPV6)){DATARMNET17f6bc1be5(DATARMNET87c37ed8cc);goto
- DATARMNETb042feb7e2;}DATARMNETb6d6995997=skb_copy_expand(DATARMNET543491eb0f,
- DATARMNET898fc3651c,DATARMNET898fc3651c,GFP_ATOMIC);if(!DATARMNETb6d6995997){
- DATARMNET17f6bc1be5(DATARMNET03b5eea9bc);goto DATARMNETb042feb7e2;}
- DATARMNETbf55123e5b=(struct ipv6hdr*)(DATARMNET543491eb0f->data);
- DATARMNET0b51978dd7=(struct ipv6hdr*)(DATARMNETb6d6995997->data);
- DATARMNET2d5a34898d=(struct frag_hdr*)((char*)DATARMNET543491eb0f->data+sizeof(
- struct ipv6hdr));DATARMNET4a64bfeda0=(struct frag_hdr*)((char*)
- DATARMNETb6d6995997->data+sizeof(struct ipv6hdr));DATARMNETc26140baf9=ntohs(
- DATARMNETbf55123e5b->payload_len)-sizeof(struct frag_hdr);DATARMNET3301d81682=
- DATARMNETc26140baf9-DATARMNET20defbe7a0;memcpy(DATARMNETb6d6995997->data+sizeof(
- struct ipv6hdr)+sizeof(struct frag_hdr),DATARMNET543491eb0f->data+sizeof(struct
- ipv6hdr)+sizeof(struct frag_hdr)+DATARMNET20defbe7a0,DATARMNET3301d81682);
- DATARMNET2d5a34898d->frag_off=(0xd2d+202-0xdf7);DATARMNET2d5a34898d->frag_off|=
- htons(IP6_MF);skb_trim(DATARMNET543491eb0f,sizeof(struct ipv6hdr)+sizeof(struct
- frag_hdr)+DATARMNET20defbe7a0);DATARMNETbf55123e5b->payload_len=htons(sizeof(
- struct frag_hdr)+DATARMNET20defbe7a0);DATARMNET4a64bfeda0->frag_off=
- (0xd2d+202-0xdf7);DATARMNET4a64bfeda0->frag_off=htons(DATARMNET20defbe7a0);
- DATARMNET4a64bfeda0->frag_off|=htons(IP6_MF);skb_trim(DATARMNETb6d6995997,sizeof
- (struct ipv6hdr)+sizeof(struct frag_hdr)+DATARMNET3301d81682);
- DATARMNET0b51978dd7->payload_len=htons(sizeof(struct frag_hdr)+
- DATARMNET3301d81682);DATARMNETc9ed97754a(DATARMNET543491eb0f,DATARMNET1a901c3d09
- );DATARMNETc9ed97754a(DATARMNETb6d6995997,DATARMNET1a901c3d09);goto
- DATARMNET27d4697979;DATARMNETb042feb7e2:kfree_skb(DATARMNET543491eb0f);
- DATARMNET27d4697979:return RX_HANDLER_CONSUMED;}static rx_handler_result_t
- DATARMNET68fe094884(struct sk_buff**DATARMNET89946cec52){struct
- DATARMNET0ca9d8ead7 DATARMNETa76763310b={};struct DATARMNET4f49486833*
- DATARMNET63b1a086d5;struct sk_buff*DATARMNET543491eb0f=*DATARMNET89946cec52;
- unsigned long DATARMNETfb0677cc3c;struct DATARMNET8d3c2559ca DATARMNET2d4b4cfc9e
- ;struct DATARMNET41b426061d*DATARMNET8184934307;uint8_t DATARMNET1a901c3d09=
- DATARMNETdcafdec32a;if(!DATARMNET543491eb0f||DATARMNET543491eb0f->pkt_type==
- PACKET_LOOPBACK)return RX_HANDLER_PASS;if(DATARMNET543491eb0f->protocol==htons(
- ETH_P_IP)){struct iphdr*DATARMNET86f1f2cdc9,DATARMNETbf6548198e;
- DATARMNET86f1f2cdc9=skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),
- sizeof(*DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!DATARMNET86f1f2cdc9)goto
- DATARMNETbf4095f79e;DATARMNET2d4b4cfc9e.DATARMNET0dc14167a1=DATARMNET86f1f2cdc9
- ->saddr;DATARMNET2d4b4cfc9e.DATARMNET0d956cc77a=(0xd11+230-0xdf3);}else if(
- DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6)){struct ipv6hdr*
- DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;DATARMNETbf55123e5b=skb_header_pointer(
- DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*DATARMNETbf55123e5b),&
- DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b)goto DATARMNETbf4095f79e;memcpy(&
- DATARMNET2d4b4cfc9e.DATARMNET5700daac01,&DATARMNETbf55123e5b->saddr,sizeof(
- DATARMNET2d4b4cfc9e.DATARMNET5700daac01));DATARMNET2d4b4cfc9e.
- DATARMNET0d956cc77a=(0xd03+244-0xdf1);}else{goto DATARMNETbf4095f79e;}
- rcu_read_lock();DATARMNET8184934307=DATARMNETcc0a01df2a(&DATARMNET2d4b4cfc9e);
- rcu_read_unlock();if(!DATARMNET8184934307)goto DATARMNETbf4095f79e;
- DATARMNET1a901c3d09=DATARMNET8184934307->DATARMNET7ed5754a5c.DATARMNET9954a624ac
- ;if(DATARMNET1a901c3d09==DATARMNETdcafdec32a)goto DATARMNETbf4095f79e;if(
- DATARMNET543491eb0f->dev)nf_ct_set(DATARMNET543491eb0f,NULL,IP_CT_UNTRACKED);if(
- DATARMNET543491eb0f->protocol==htons(ETH_P_IP)){struct iphdr*DATARMNET86f1f2cdc9
- ,DATARMNETbf6548198e;DATARMNET86f1f2cdc9=skb_header_pointer(DATARMNET543491eb0f,
- (0xd2d+202-0xdf7),sizeof(*DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!
- DATARMNET86f1f2cdc9)goto DATARMNETbf4095f79e;if(DATARMNET86f1f2cdc9->protocol==
- IPPROTO_TCP)goto DATARMNET9b3d23a43b;if(DATARMNET86f1f2cdc9->protocol!=
- IPPROTO_ICMP)goto DATARMNETbf4095f79e;DATARMNETa76763310b.DATARMNETdfe430c2d6=
- DATARMNET86f1f2cdc9->saddr;DATARMNETa76763310b.DATARMNET2cb607d686=
- DATARMNET86f1f2cdc9->daddr;DATARMNETa76763310b.DATARMNET0d956cc77a=
- (0xd11+230-0xdf3);}else if(DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6)){
- struct ipv6hdr*DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;__be16 frag_off;u8
- DATARMNET65293f17c4;DATARMNETbf55123e5b=skb_header_pointer(DATARMNET543491eb0f,
- (0xd2d+202-0xdf7),sizeof(*DATARMNETbf55123e5b),&DATARMNETcf1d9e2c1e);if(!
- DATARMNETbf55123e5b)goto DATARMNETbf4095f79e;DATARMNET65293f17c4=
- DATARMNETbf55123e5b->nexthdr;if(ipv6_skip_exthdr(DATARMNET543491eb0f,sizeof(*
- DATARMNETbf55123e5b),&DATARMNET65293f17c4,&frag_off)<(0xd2d+202-0xdf7))goto
- DATARMNETbf4095f79e;if(frag_off&&DATARMNET65293f17c4==NEXTHDR_FRAGMENT)goto
- DATARMNETbf4095f79e;if(DATARMNETbf55123e5b->nexthdr==NEXTHDR_FRAGMENT&&(ntohs(
- DATARMNETbf55123e5b->payload_len)>(sizeof(struct frag_hdr)+DATARMNET20defbe7a0))
- )goto DATARMNETf10b3df68d;if(DATARMNET65293f17c4==IPPROTO_TCP)goto
- DATARMNET9b3d23a43b;if(DATARMNET65293f17c4!=IPPROTO_ICMPV6)goto
- DATARMNETbf4095f79e;memcpy(&DATARMNETa76763310b.DATARMNET815cbb4bf5,&
- DATARMNETbf55123e5b->saddr,sizeof(DATARMNETa76763310b.DATARMNET815cbb4bf5));
- memcpy(&DATARMNETa76763310b.DATARMNETc3f31215b7,&DATARMNETbf55123e5b->daddr,
- sizeof(DATARMNETa76763310b.DATARMNETc3f31215b7));DATARMNETa76763310b.
- DATARMNET0d956cc77a=(0xd03+244-0xdf1);}else{goto DATARMNETbf4095f79e;}
- rcu_read_lock();hash_for_each_possible_rcu(DATARMNET5413d6f8ec,
- DATARMNET63b1a086d5,DATARMNETe8608dd267,DATARMNETa76763310b.DATARMNET2cb607d686)
- {if(!DATARMNET5f3c9ed4da(&DATARMNET63b1a086d5->DATARMNET54338da2ff,&
- DATARMNETa76763310b))continue;if(likely(hrtimer_is_queued(&DATARMNET63b1a086d5->
- DATARMNET9f31ce5d2d)))hrtimer_start(&DATARMNET63b1a086d5->DATARMNET9f31ce5d2d,
- DATARMNET5da8c68c19,HRTIMER_MODE_REL);rcu_read_unlock();goto DATARMNETbf4095f79e
- ;}rcu_read_unlock();spin_lock_irqsave(&DATARMNET820642743b,DATARMNETfb0677cc3c);
- DATARMNET63b1a086d5=kzalloc(sizeof(*DATARMNET63b1a086d5),GFP_ATOMIC);if(!
- DATARMNET63b1a086d5){spin_unlock_irqrestore(&DATARMNET820642743b,
- DATARMNETfb0677cc3c);goto DATARMNETbf4095f79e;}INIT_HLIST_NODE(&
- DATARMNET63b1a086d5->DATARMNETe8608dd267);memcpy(&DATARMNET63b1a086d5->
- DATARMNET54338da2ff,&DATARMNETa76763310b,sizeof(DATARMNETa76763310b));
- DATARMNET63b1a086d5->DATARMNET7ed5754a5c.DATARMNET57656f6f2f=DATARMNET543491eb0f
- ->dev;hrtimer_init(&DATARMNET63b1a086d5->DATARMNET9f31ce5d2d,CLOCK_MONOTONIC,
- HRTIMER_MODE_REL);DATARMNET63b1a086d5->DATARMNET9f31ce5d2d.function=
- DATARMNET299a8a08b5;hrtimer_start(&DATARMNET63b1a086d5->DATARMNET9f31ce5d2d,
- DATARMNET5da8c68c19,HRTIMER_MODE_REL);hash_add_rcu(DATARMNET5413d6f8ec,&
- DATARMNET63b1a086d5->DATARMNETe8608dd267,DATARMNETa76763310b.DATARMNET2cb607d686
- );spin_unlock_irqrestore(&DATARMNET820642743b,DATARMNETfb0677cc3c);
- DATARMNETbf4095f79e:return DATARMNETc9ed97754a(DATARMNET543491eb0f,
- DATARMNET1a901c3d09);DATARMNET9b3d23a43b:DATARMNET7ca470d54b(DATARMNET543491eb0f
- ,TCP_FLAG_SYN);return DATARMNETc9ed97754a(DATARMNET543491eb0f,
- DATARMNET1a901c3d09);DATARMNETf10b3df68d:return DATARMNET6e2f632fce(
- DATARMNET543491eb0f,DATARMNET1a901c3d09);}static void DATARMNETbc6bd11f47(struct
- net_device*DATARMNET00dcb79bc4){struct DATARMNET4f49486833*DATARMNET63b1a086d5;
- int DATARMNET5c2fd31d7b;rcu_read_lock();hash_for_each_rcu(DATARMNET5413d6f8ec,
- DATARMNET5c2fd31d7b,DATARMNET63b1a086d5,DATARMNETe8608dd267){if(
- DATARMNET63b1a086d5->DATARMNET7ed5754a5c.DATARMNET57656f6f2f==
- DATARMNET00dcb79bc4)hrtimer_cancel(&DATARMNET63b1a086d5->DATARMNET9f31ce5d2d);}
- rcu_read_unlock();}static int DATARMNET81ab4de243(struct notifier_block*
- DATARMNET272c159b3c,unsigned long DATARMNET7f045a1e6e,void*data){struct
- net_device*DATARMNET00dcb79bc4=netdev_notifier_info_to_dev(data);if(!
- DATARMNET00dcb79bc4||DATARMNETaba2beb199(DATARMNET00dcb79bc4->name,
- "\x72\x5f\x72\x6d\x6e\x65\x74\x5f\x64\x61\x74\x61",(0xd19+238-0xdfb)))return
- NOTIFY_DONE;switch(DATARMNET7f045a1e6e){case NETDEV_UNREGISTER:
- DATARMNETbc6bd11f47(DATARMNET00dcb79bc4);break;default:break;}return NOTIFY_DONE
- ;}static struct notifier_block DATARMNET61d0113123={.notifier_call=
- DATARMNET81ab4de243,};struct DATARMNET8d3c2559ca*DATARMNET07f0e0f286(struct
- DATARMNET0ca9d8ead7*DATARMNET54338da2ff)__must_hold(RCU){struct
- DATARMNET4f49486833*DATARMNET63b1a086d5;hash_for_each_possible_rcu(
- DATARMNET5413d6f8ec,DATARMNET63b1a086d5,DATARMNETe8608dd267,DATARMNET54338da2ff
- ->DATARMNET2cb607d686){if(!DATARMNET5f3c9ed4da(&DATARMNET63b1a086d5->
- DATARMNET54338da2ff,DATARMNET54338da2ff))continue;return&DATARMNET63b1a086d5->
- DATARMNET7ed5754a5c;}return NULL;}void DATARMNETf4e1a29dbc(void){struct
- DATARMNET4f49486833*DATARMNET63b1a086d5;int DATARMNET5c2fd31d7b;rcu_read_lock();
- hash_for_each_rcu(DATARMNET5413d6f8ec,DATARMNET5c2fd31d7b,DATARMNET63b1a086d5,
- DATARMNETe8608dd267)hrtimer_cancel(&DATARMNET63b1a086d5->DATARMNET9f31ce5d2d);
- rcu_read_unlock();}void DATARMNET6f73df41cd(struct sk_buff*DATARMNET543491eb0f){
- int protocol=-(0xd26+209-0xdf6);struct DATARMNETe117226f58*DATARMNET3396919a68=
- rcu_dereference(DATARMNETcde6e442f5);if(!DATARMNET3396919a68)return;if(
- DATARMNET543491eb0f->protocol==htons(ETH_P_IP)){struct iphdr*DATARMNET86f1f2cdc9
- ,DATARMNETbf6548198e;DATARMNET86f1f2cdc9=skb_header_pointer(DATARMNET543491eb0f,
- (0xd2d+202-0xdf7),sizeof(*DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!
- DATARMNET86f1f2cdc9)return;if(DATARMNET86f1f2cdc9->version!=DATARMNET3396919a68
- ->DATARMNET0d956cc77a&&DATARMNET86f1f2cdc9->saddr!=DATARMNET3396919a68->
- DATARMNETdfe430c2d6&&DATARMNET86f1f2cdc9->daddr!=DATARMNET3396919a68->
- DATARMNET2cb607d686)return;protocol=DATARMNET86f1f2cdc9->protocol;}else if(
- DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6)){struct ipv6hdr*
- DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;DATARMNETbf55123e5b=skb_header_pointer(
- DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*DATARMNETbf55123e5b),&
- DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b)return;if(DATARMNETbf55123e5b->
- version!=DATARMNET3396919a68->DATARMNET0d956cc77a&&ipv6_addr_cmp(&
- DATARMNETbf55123e5b->saddr,&DATARMNET3396919a68->DATARMNET815cbb4bf5)&&
- ipv6_addr_cmp(&DATARMNETbf55123e5b->daddr,&DATARMNET3396919a68->
- DATARMNETc3f31215b7))return;protocol=DATARMNETbf55123e5b->nexthdr;}if(protocol==
- IPPROTO_UDP){if(udp_hdr(DATARMNET543491eb0f)->source==DATARMNET3396919a68->
- DATARMNET08e913477e&&udp_hdr(DATARMNET543491eb0f)->dest==DATARMNET3396919a68->
- DATARMNETda7f7fa492)goto DATARMNET9573fcc9c6;}return;DATARMNET9573fcc9c6:
- DATARMNET543491eb0f->priority=2607612160;DATARMNET5ca94dbc3c(DATARMNETc2cade1d75
- );}static rx_handler_result_t DATARMNETd2f80b03ce(struct sk_buff**
- DATARMNET89946cec52){struct net_device*DATARMNET00dcb79bc4;if(!
- DATARMNET89946cec52||!(*DATARMNET89946cec52)||!(*DATARMNET89946cec52)->dev)
- return RX_HANDLER_PASS;DATARMNET00dcb79bc4=(*DATARMNET89946cec52)->dev;if(!
- DATARMNETaba2beb199(DATARMNET00dcb79bc4->name,
- "\x72\x5f\x72\x6d\x6e\x65\x74\x5f\x64\x61\x74\x61",(0xd19+238-0xdfb)))return
- DATARMNET68fe094884(DATARMNET89946cec52);if(!DATARMNETaba2beb199(
- DATARMNET00dcb79bc4->name,DATARMNETe447822105(),IFNAMSIZ))return
- DATARMNET37a92021f9(DATARMNET89946cec52);if(!DATARMNETaba2beb199(
- DATARMNET00dcb79bc4->name,DATARMNET934406764d(),IFNAMSIZ))return
- DATARMNET37a92021f9(DATARMNET89946cec52);return RX_HANDLER_PASS;}static const
- struct rmnet_module_hook_register_info DATARMNET1928843de7[]={{.hooknum=
- RMNET_MODULE_HOOK_WLAN_FLOW_MATCH,.func=DATARMNET6f73df41cd,},{.hooknum=
- RMNET_MODULE_HOOK_WLAN_INGRESS_RX_HANDLER,.func=DATARMNETd2f80b03ce,},};void
- DATARMNET333c107558(void){rcu_assign_pointer(rmnet_wlan_ll_tuple_hook,
- DATARMNET6f73df41cd);rmnet_module_hook_register(DATARMNET1928843de7,ARRAY_SIZE(
- DATARMNET1928843de7));}void DATARMNET4c08c7210c(void){rcu_assign_pointer(
- rmnet_wlan_ll_tuple_hook,NULL);rmnet_module_hook_unregister(DATARMNET1928843de7,
- ARRAY_SIZE(DATARMNET1928843de7));}int DATARMNET9f106ed933(void){int
- DATARMNET268a8314cf;DATARMNET268a8314cf=register_netdevice_notifier(&
- DATARMNET61d0113123);if(DATARMNET268a8314cf)pr_err(
- "\x25\x73\x28\x29\x3a\x20\x6e\x6f\x74\x69\x66\x69\x65\x72\x20\x66\x61\x69\x6c\x65\x64" "\n"
- ,__func__);return DATARMNET268a8314cf;}int DATARMNETf56cbaa2b1(void){int
- DATARMNET268a8314cf;DATARMNET268a8314cf=unregister_netdevice_notifier(&
- DATARMNET61d0113123);if(DATARMNET268a8314cf)pr_err(
- "\x25\x73\x28\x29\x3a\x20\x6e\x6f\x74\x69\x66\x65\x72\x20\x66\x61\x69\x6c\x65\x64" "\n"
- ,__func__);return DATARMNET268a8314cf;}
|