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android_kernel_...
/
wlan
/
rmnet_wlan_connection.c

rmnet_wlan_connection.c 24 KB
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  1. // SPDX-License-Identifier: GPL-2.0-only
    2. 

  2. /* Copyright (c) 2021, The Linux Foundation. All rights reserved.
    3. 

  3.  * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
    4. 

  4.  *
    5. 

  5.  * RMNET WLAN connection management framework
    6. 

  6.  *
    7. 

  7.  */
    8. 

  8. 

  9. #include <linux/types.h>
    10. 

  10. #include <linux/skbuff.h>
    11. 

  11. #include <linux/netdevice.h>
    12. 

  12. #include <linux/spinlock.h>
    13. 

  13. #include <linux/rcupdate.h>
    14. 

  14. #include <linux/hashtable.h>
    15. 

  15. #include <linux/if_ether.h>
    16. 

  16. #include <linux/workqueue.h>
    17. 

  17. #include <net/ip.h>
    18. 

  18. #include <net/ipv6.h>
    19. 

  19. #include <net/dst.h>
    20. 

  20. #include <net/netfilter/nf_conntrack.h>
    21. 

  21. #include "rmnet_module.h"
    22. 

  22. #include "rmnet_wlan.h"
    23. 

  23. #include "rmnet_wlan_connection.h"
    24. 

  24. #include "rmnet_wlan_stats.h"
    25. 

  25. #define DATARMNET5da8c68c19 ((0x16a8+1565-0x14f5))
    26. 

  26. #define DATARMNET4d011802ef ((0xdf7+6169-0x241c))
    27. 

  27. #define DATARMNET8fc07fbb24 ((0xeb7+1158-0x132d))
    28. 

  28. #define DATARMNETeaf0945284 \
    29. 

  29. 	(const_ilog2(DATARMNET8fc07fbb24))
    30. 

  30. extern void(*rmnet_wlan_ll_tuple_hook)(struct sk_buff*DATARMNET543491eb0f);
    31. 

  31. struct DATARMNET4f49486833{struct hlist_node DATARMNETe8608dd267;struct rcu_head
    32. 

  32.  DATARMNET28bfe9e6ad;struct DATARMNET0ca9d8ead7 DATARMNET54338da2ff;struct 
    33. 

  33. DATARMNET8d3c2559ca*DATARMNET7ed5754a5c;unsigned long DATARMNET763f2e5fac;bool 
    34. 

  34. DATARMNET1717afebc7;};struct DATARMNETeb4a7e58d8{struct delayed_work 
    35. 

  35. DATARMNET190b4452e8;bool DATARMNETcd94e0d3c7;};static DEFINE_SPINLOCK(
    36. 

  36. DATARMNET820642743b);static DEFINE_HASHTABLE(DATARMNET5413d6f8ec,
    37. 

  37. DATARMNETeaf0945284);static u32 DATARMNETf658004dbc;static struct 
    38. 

  38. DATARMNETeb4a7e58d8 DATARMNET0b04fde883;static bool DATARMNET5f3c9ed4da(struct 
    39. 

  39. DATARMNET0ca9d8ead7*DATARMNET75decd6f60,struct DATARMNET0ca9d8ead7*
    40. 

  40. DATARMNET6745cad668){if(DATARMNET75decd6f60->DATARMNET0d956cc77a!=
    41. 

  41. DATARMNET6745cad668->DATARMNET0d956cc77a)return false;if(DATARMNET75decd6f60->
    42. 

  42. DATARMNET0d956cc77a==(0xd11+230-0xdf3))return DATARMNET75decd6f60->
    43. 

  43. DATARMNETdfe430c2d6==DATARMNET6745cad668->DATARMNETdfe430c2d6&&
    44. 

  44. DATARMNET75decd6f60->DATARMNET2cb607d686==DATARMNET6745cad668->
    45. 

  45. DATARMNET2cb607d686;return!ipv6_addr_cmp(&DATARMNET75decd6f60->
    46. 

  46. DATARMNET815cbb4bf5,&DATARMNET6745cad668->DATARMNET815cbb4bf5)&&!ipv6_addr_cmp(&
    47. 

  47. DATARMNET75decd6f60->DATARMNETc3f31215b7,&DATARMNET6745cad668->
    48. 

  48. DATARMNETc3f31215b7);}static bool DATARMNET64cb643bf6(struct DATARMNET4f49486833
    49. 

  49. *DATARMNET63b1a086d5,unsigned long DATARMNET763f2e5fac){unsigned long 
    50. 

  50. DATARMNETc2d5c71ce1;DATARMNETc2d5c71ce1=msecs_to_jiffies(DATARMNET5da8c68c19);if
    51. 

  51. (DATARMNET763f2e5fac-DATARMNET63b1a086d5->DATARMNET763f2e5fac>
    52. 

  52. DATARMNETc2d5c71ce1)return true;return false;}static bool DATARMNETd0a7ffc2d1(
    53. 

  53. bool DATARMNETe78ad140cc){struct DATARMNET4f49486833*DATARMNET63b1a086d5;struct 
    54. 

  54. hlist_node*DATARMNET0386f6f82a;unsigned long DATARMNET763f2e5fac;int 
    55. 

  55. DATARMNET5c2fd31d7b;DATARMNET763f2e5fac=jiffies;hash_for_each_safe(
    56. 

  56. DATARMNET5413d6f8ec,DATARMNET5c2fd31d7b,DATARMNET0386f6f82a,DATARMNET63b1a086d5,
    57. 

  57. DATARMNETe8608dd267){if(DATARMNET63b1a086d5->DATARMNET1717afebc7)continue;if(
    58. 

  58. DATARMNETe78ad140cc||DATARMNET64cb643bf6(DATARMNET63b1a086d5,DATARMNET763f2e5fac
    59. 

  59. )){DATARMNET63b1a086d5->DATARMNET1717afebc7=true;hash_del_rcu(&
    60. 

  60. DATARMNET63b1a086d5->DATARMNETe8608dd267);kfree_rcu(DATARMNET63b1a086d5,
    61. 

  61. DATARMNET28bfe9e6ad);DATARMNETf658004dbc--;}}return!!DATARMNETf658004dbc;}static
    62. 

  62.  void DATARMNET8211acc766(struct work_struct*DATARMNET190b4452e8){struct 
    63. 

  63. DATARMNETeb4a7e58d8*DATARMNET563f32ea64;unsigned long DATARMNETfb0677cc3c;bool 
    64. 

  64. DATARMNET6e1c466378;DATARMNET563f32ea64=container_of(to_delayed_work(
    65. 

  65. DATARMNET190b4452e8),struct DATARMNETeb4a7e58d8,DATARMNET190b4452e8);
    66. 

  66. spin_lock_irqsave(&DATARMNET820642743b,DATARMNETfb0677cc3c);DATARMNET6e1c466378=
    67. 

  67. DATARMNETd0a7ffc2d1(DATARMNET563f32ea64->DATARMNETcd94e0d3c7);if(
    68. 

  68. DATARMNET6e1c466378){unsigned long DATARMNETf71ef1b8da;DATARMNETf71ef1b8da=
    69. 

  69. msecs_to_jiffies(DATARMNET4d011802ef);schedule_delayed_work(&DATARMNET563f32ea64
    70. 

  70. ->DATARMNET190b4452e8,DATARMNETf71ef1b8da);}spin_unlock_irqrestore(&
    71. 

  71. DATARMNET820642743b,DATARMNETfb0677cc3c);}static rx_handler_result_t 
    72. 

  72. DATARMNETc9ed97754a(struct sk_buff*DATARMNET543491eb0f,uint8_t 
    73. 

  73. DATARMNET1a901c3d09){if(DATARMNET543491eb0f->dev&&(DATARMNET543491eb0f->protocol
    74. 

  74. ==htons(ETH_P_IP))&&DATARMNET1a901c3d09==DATARMNET9bfbc31cd6){struct iphdr*
    75. 

  75. DATARMNET86f1f2cdc9,DATARMNETbf6548198e;struct net_device*DATARMNET813ca18d06=
    76. 

  76. NULL;struct flowi4 DATARMNET099aa93adc={};struct rtable*DATARMNET066b8bd537;
    77. 

  77. struct neighbour*DATARMNET3f85732c70;int DATARMNET268a8314cf=(0xd2d+202-0xdf7);
    78. 

  78. DATARMNET86f1f2cdc9=skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),
    79. 

  79. sizeof(*DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!DATARMNET86f1f2cdc9){
    80. 

  80. DATARMNET17f6bc1be5(DATARMNET15454f969d);goto DATARMNETc1174a0f45;}
    81. 

  81. DATARMNET813ca18d06=dev_get_by_name_rcu(&init_net,DATARMNET934406764d());if(!
    82. 

  82. DATARMNET813ca18d06){DATARMNET17f6bc1be5(DATARMNETfa4b3dd44a);goto 
    83. 

  83. DATARMNETc1174a0f45;}DATARMNET543491eb0f->dev=DATARMNET813ca18d06;memcpy(&
    84. 

  84. DATARMNET099aa93adc.saddr,&DATARMNET86f1f2cdc9->saddr,sizeof(__be32));memcpy(&
    85. 

  85. DATARMNET099aa93adc.daddr,&DATARMNET86f1f2cdc9->daddr,sizeof(__be32));
    86. 

  86. DATARMNET099aa93adc.flowi4_oif=DATARMNET813ca18d06->ifindex;DATARMNET099aa93adc.
    87. 

  87. flowi4_flags=FLOWI_FLAG_KNOWN_NH;DATARMNET066b8bd537=ip_route_output_key(&
    88. 

  88. init_net,&DATARMNET099aa93adc);if(IS_ERR(DATARMNET066b8bd537)){
    89. 

  89. DATARMNET17f6bc1be5(DATARMNET72ab5e86d8);goto DATARMNETc1174a0f45;}
    90. 

  90. DATARMNET3f85732c70=dst_neigh_lookup(&DATARMNET066b8bd537->dst,&
    91. 

  91. DATARMNET099aa93adc.daddr);ip_rt_put(DATARMNET066b8bd537);if(!
    92. 

  92. DATARMNET3f85732c70){DATARMNET17f6bc1be5(DATARMNET0e6bd55b8b);goto 
    93. 

  93. DATARMNETc1174a0f45;}if(DATARMNET3f85732c70->dev!=DATARMNET543491eb0f->dev||!
    94. 

  94. DATARMNET3f85732c70->dev->header_ops){DATARMNET17f6bc1be5(DATARMNET64aecaa865);
    95. 

  95. neigh_release(DATARMNET3f85732c70);goto DATARMNETc1174a0f45;}DATARMNET268a8314cf
    96. 

  96. =neigh_resolve_output(DATARMNET3f85732c70,DATARMNET543491eb0f);neigh_release(
    97. 

  97. DATARMNET3f85732c70);if(likely(DATARMNET268a8314cf==NET_XMIT_SUCCESS||
    98. 

  98. DATARMNET268a8314cf==NET_XMIT_CN)){DATARMNET17f6bc1be5(DATARMNETc1b437465b);}
    99. 

  99. else{DATARMNET17f6bc1be5(DATARMNET43a65c0be7);}return RX_HANDLER_CONSUMED;}else 
    100. 

  100. if(DATARMNET543491eb0f->dev&&(DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6))
    101. 

  101. &&DATARMNET1a901c3d09==DATARMNET9bfbc31cd6){struct ipv6hdr*DATARMNETbf55123e5b,
    102. 

  102. DATARMNETcf1d9e2c1e;struct net_device*DATARMNET813ca18d06=NULL;struct flowi6 
    103. 

  103. DATARMNET8fbe36a2fa={};struct neighbour*DATARMNET3f85732c70;struct dst_entry*dst
    104. 

  104. ;int DATARMNET268a8314cf=(0xd2d+202-0xdf7);DATARMNETbf55123e5b=
    105. 

  105. skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*
    106. 

  106. DATARMNETbf55123e5b),&DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b){
    107. 

  107. DATARMNET17f6bc1be5(DATARMNET72f4fdd48a);goto DATARMNETc1174a0f45;}
    108. 

  108. DATARMNET813ca18d06=dev_get_by_name_rcu(&init_net,DATARMNET934406764d());if(!
    109. 

  109. DATARMNET813ca18d06){DATARMNET17f6bc1be5(DATARMNET9cff15f94d);goto 
    110. 

  110. DATARMNETc1174a0f45;}DATARMNET543491eb0f->dev=DATARMNET813ca18d06;memcpy(&
    111. 

  111. DATARMNET8fbe36a2fa.saddr,&DATARMNETbf55123e5b->saddr,sizeof(struct in6_addr));
    112. 

  112. memcpy(&DATARMNET8fbe36a2fa.daddr,&DATARMNETbf55123e5b->daddr,sizeof(struct 
    113. 

  113. in6_addr));DATARMNET8fbe36a2fa.flowi6_oif=DATARMNET813ca18d06->ifindex;
    114. 

  114. DATARMNET8fbe36a2fa.flowi6_flags=FLOWI_FLAG_KNOWN_NH;dst=ipv6_stub->
    115. 

  115. ipv6_dst_lookup_flow(&init_net,NULL,&DATARMNET8fbe36a2fa,NULL);if(IS_ERR(dst)){
    116. 

  116. DATARMNET17f6bc1be5(DATARMNETbf6e6853f9);goto DATARMNETc1174a0f45;}
    117. 

  117. DATARMNET3f85732c70=dst_neigh_lookup(dst,&DATARMNET8fbe36a2fa.daddr);dst_release
    118. 

  118. (dst);if(!DATARMNET3f85732c70){DATARMNET17f6bc1be5(DATARMNETa0da722329);goto 
    119. 

  119. DATARMNETc1174a0f45;}if(DATARMNET3f85732c70->dev!=DATARMNET543491eb0f->dev||!
    120. 

  120. DATARMNET3f85732c70->dev->header_ops){DATARMNET17f6bc1be5(DATARMNET729e252fb9);
    121. 

  121. neigh_release(DATARMNET3f85732c70);goto DATARMNETc1174a0f45;}DATARMNET268a8314cf
    122. 

  122. =neigh_resolve_output(DATARMNET3f85732c70,DATARMNET543491eb0f);neigh_release(
    123. 

  123. DATARMNET3f85732c70);if(likely(DATARMNET268a8314cf==NET_XMIT_SUCCESS||
    124. 

  124. DATARMNET268a8314cf==NET_XMIT_CN)){DATARMNET17f6bc1be5(DATARMNET04311361a2);}
    125. 

  125. else{DATARMNET17f6bc1be5(DATARMNET13bbe5f5c5);}return RX_HANDLER_CONSUMED;}else 
    126. 

  126. if(DATARMNET543491eb0f->dev&&(DATARMNET543491eb0f->protocol==htons(ETH_P_IP))&&
    127. 

  127. DATARMNET1a901c3d09==DATARMNET45ee632553){struct iphdr*DATARMNET86f1f2cdc9,
    128. 

  128. DATARMNETbf6548198e;struct net_device*DATARMNET813ca18d06=NULL;struct flowi4 
    129. 

  129. DATARMNET099aa93adc={};struct dst_entry*DATARMNETb5af46179c;struct rtable*
    130. 

  130. DATARMNET066b8bd537;struct net_device*DATARMNET39542b437e=NULL;
    131. 

  131. DATARMNET86f1f2cdc9=skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),
    132. 

  132. sizeof(*DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!DATARMNET86f1f2cdc9){
    133. 

  133. DATARMNET17f6bc1be5(DATARMNET7803c877c0);goto DATARMNETc1174a0f45;}
    134. 

  134. DATARMNET813ca18d06=dev_get_by_name_rcu(&init_net,DATARMNETe447822105());if(!
    135. 

  135. DATARMNET813ca18d06){DATARMNET17f6bc1be5(DATARMNET0978ff973f);goto 
    136. 

  136. DATARMNETc1174a0f45;}memcpy(&DATARMNET099aa93adc.daddr,&DATARMNET86f1f2cdc9->
    137. 

  137. daddr,sizeof(__be32));DATARMNET099aa93adc.flowi4_oif=DATARMNET813ca18d06->
    138. 

  138. ifindex;DATARMNET099aa93adc.flowi4_flags=FLOWI_FLAG_KNOWN_NH;DATARMNET066b8bd537
    139. 

  139. =ip_route_output_key(&init_net,&DATARMNET099aa93adc);if(IS_ERR(
    140. 

  140. DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET666fc9a664);
    141. 

  141. DATARMNET39542b437e=dev_get_by_name_rcu(&init_net,"dummy0");if(!
    142. 

  142. DATARMNET39542b437e){DATARMNET17f6bc1be5(DATARMNET521b065310);goto 
    143. 

  143. DATARMNETc1174a0f45;}DATARMNET099aa93adc.flowi4_oif=DATARMNET39542b437e->ifindex
    144. 

  144. ;DATARMNET099aa93adc.flowi4_flags=FLOWI_FLAG_KNOWN_NH;DATARMNET066b8bd537=
    145. 

  145. ip_route_output_key(&init_net,&DATARMNET099aa93adc);if(IS_ERR(
    146. 

  146. DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET8a15bcdcc7);goto 
    147. 

  147. DATARMNETc1174a0f45;}}memcpy(&DATARMNET099aa93adc.saddr,&DATARMNET86f1f2cdc9->
    148. 

  148. saddr,sizeof(__be32));DATARMNETb5af46179c=xfrm_lookup(&init_net,&
    149. 

  149. DATARMNET066b8bd537->dst,flowi4_to_flowi(&DATARMNET099aa93adc),NULL,
    150. 

  150. (0xd2d+202-0xdf7));DATARMNET066b8bd537=(struct rtable*)DATARMNETb5af46179c;if(
    151. 

  151. IS_ERR(DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNETddb1bc27cb);goto 
    152. 

  152. DATARMNETc1174a0f45;}skb_dst_set(DATARMNET543491eb0f,DATARMNETb5af46179c);
    153. 

  153. dst_output(&init_net,NULL,DATARMNET543491eb0f);DATARMNET17f6bc1be5(
    154. 

  154. DATARMNETc730640bf7);return RX_HANDLER_CONSUMED;}else if(DATARMNET543491eb0f->
    155. 

  155. dev&&(DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6))&&DATARMNET1a901c3d09==
    156. 

  156. DATARMNET45ee632553){struct ipv6hdr*DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;
    157. 

  157. struct flowi6 DATARMNET8fbe36a2fa={};struct dst_entry*dst=NULL,*
    158. 

  158. DATARMNETb5af46179c;struct rtable*DATARMNET066b8bd537;struct net_device*
    159. 

  159. DATARMNET39542b437e=NULL;DATARMNETbf55123e5b=skb_header_pointer(
    160. 

  160. DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*DATARMNETbf55123e5b),&
    161. 

  161. DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b){DATARMNET17f6bc1be5(
    162. 

  162. DATARMNET0b9541c9b3);goto DATARMNETc1174a0f45;}memcpy(&DATARMNET8fbe36a2fa.saddr
    163. 

  163. ,&DATARMNETbf55123e5b->saddr,sizeof(struct in6_addr));memcpy(&
    164. 

  164. DATARMNET8fbe36a2fa.daddr,&DATARMNETbf55123e5b->daddr,sizeof(struct in6_addr));
    165. 

  165. dst=ipv6_stub->ipv6_dst_lookup_flow(&init_net,NULL,&DATARMNET8fbe36a2fa,NULL);if
    166. 

  166. (IS_ERR(dst)){DATARMNET17f6bc1be5(DATARMNET0078f1d36d);DATARMNET39542b437e=
    167. 

  167. dev_get_by_name_rcu(&init_net,"\x64\x75\x6d\x6d\x79\x30");if(!
    168. 

  168. DATARMNET39542b437e){DATARMNET17f6bc1be5(DATARMNET7c6c30b7d2);goto 
    169. 

  169. DATARMNETc1174a0f45;}DATARMNET8fbe36a2fa.flowi6_oif=DATARMNET39542b437e->ifindex
    170. 

  170. ;DATARMNET8fbe36a2fa.flowi6_flags=FLOWI_FLAG_KNOWN_NH;dst=ipv6_stub->
    171. 

  171. ipv6_dst_lookup_flow(&init_net,NULL,&DATARMNET8fbe36a2fa,NULL);if(IS_ERR(dst)){
    172. 

  172. DATARMNET17f6bc1be5(DATARMNET39d80cc483);goto DATARMNETc1174a0f45;}}
    173. 

  173. DATARMNETb5af46179c=xfrm_lookup(&init_net,dst,flowi6_to_flowi(&
    174. 

  174. DATARMNET8fbe36a2fa),NULL,(0xd2d+202-0xdf7));DATARMNET066b8bd537=(struct rtable*
    175. 

  175. )DATARMNETb5af46179c;if(IS_ERR(DATARMNET066b8bd537)){DATARMNET17f6bc1be5(
    176. 

  176. DATARMNET661bdeccd4);goto DATARMNETc1174a0f45;}skb_dst_set(DATARMNET543491eb0f,
    177. 

  177. DATARMNETb5af46179c);dst_output(&init_net,NULL,DATARMNET543491eb0f);
    178. 

  178. DATARMNET17f6bc1be5(DATARMNET28e7704d13);return RX_HANDLER_CONSUMED;}else if(
    179. 

  179. DATARMNET543491eb0f->dev&&(DATARMNET543491eb0f->protocol==htons(ETH_P_IP))&&
    180. 

  180. DATARMNET1a901c3d09==DATARMNET356f2a237e){struct iphdr*DATARMNET86f1f2cdc9,
    181. 

  181. DATARMNETbf6548198e;struct flowi4 DATARMNET099aa93adc={};struct net_device*
    182. 

  182. DATARMNET813ca18d06=NULL;struct dst_entry*DATARMNETb5af46179c;struct net_device*
    183. 

  183. DATARMNET39542b437e=NULL;struct rtable*DATARMNET066b8bd537;DATARMNET86f1f2cdc9=
    184. 

  184. skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*
    185. 

  185. DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!DATARMNET86f1f2cdc9){
    186. 

  186. DATARMNET17f6bc1be5(DATARMNET15454f969d);goto DATARMNETc1174a0f45;}
    187. 

  187. DATARMNET813ca18d06=dev_get_by_name_rcu(&init_net,DATARMNET934406764d());if(!
    188. 

  188. DATARMNET813ca18d06){DATARMNET17f6bc1be5(DATARMNET4c5aeeb476);goto 
    189. 

  189. DATARMNETc1174a0f45;}memcpy(&DATARMNET099aa93adc.daddr,&DATARMNET86f1f2cdc9->
    190. 

  190. daddr,sizeof(__be32));DATARMNET099aa93adc.flowi4_oif=DATARMNET813ca18d06->
    191. 

  191. ifindex;DATARMNET099aa93adc.flowi4_flags=FLOWI_FLAG_KNOWN_NH;DATARMNET066b8bd537
    192. 

  192. =ip_route_output_key(&init_net,&DATARMNET099aa93adc);if(IS_ERR(
    193. 

  193. DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET9bdb1c4072);
    194. 

  194. DATARMNET39542b437e=dev_get_by_name_rcu(&init_net,"\x64\x75\x6d\x6d\x79\x30");if
    195. 

  195. (!DATARMNET39542b437e){DATARMNET17f6bc1be5(DATARMNET5abdc89190);goto 
    196. 

  196. DATARMNETc1174a0f45;}DATARMNET099aa93adc.flowi4_oif=DATARMNET39542b437e->ifindex
    197. 

  197. ;DATARMNET099aa93adc.flowi4_flags=FLOWI_FLAG_KNOWN_NH;DATARMNET066b8bd537=
    198. 

  198. ip_route_output_key(&init_net,&DATARMNET099aa93adc);if(IS_ERR(
    199. 

  199. DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET101af46c1c);goto 
    200. 

  200. DATARMNETc1174a0f45;}}memcpy(&DATARMNET099aa93adc.saddr,&DATARMNET86f1f2cdc9->
    201. 

  201. saddr,sizeof(__be32));DATARMNETb5af46179c=xfrm_lookup(&init_net,&
    202. 

  202. DATARMNET066b8bd537->dst,flowi4_to_flowi(&DATARMNET099aa93adc),NULL,
    203. 

  203. (0xd2d+202-0xdf7));DATARMNET066b8bd537=(struct rtable*)DATARMNETb5af46179c;if(
    204. 

  204. IS_ERR(DATARMNET066b8bd537)){DATARMNET17f6bc1be5(DATARMNET9a57ef32d3);goto 
    205. 

  205. DATARMNETc1174a0f45;}skb_dst_set(DATARMNET543491eb0f,DATARMNETb5af46179c);
    206. 

  206. dst_output(&init_net,NULL,DATARMNET543491eb0f);DATARMNET17f6bc1be5(
    207. 

  207. DATARMNET9a940d93dc);return RX_HANDLER_CONSUMED;}else if(DATARMNET543491eb0f->
    208. 

  208. dev&&(DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6))&&DATARMNET1a901c3d09==
    209. 

  209. DATARMNET356f2a237e){struct ipv6hdr*DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;
    210. 

  210. struct flowi6 DATARMNET8fbe36a2fa={};struct dst_entry*dst=NULL,*
    211. 

  211. DATARMNETb5af46179c;struct rtable*DATARMNET066b8bd537;struct net_device*
    212. 

  212. DATARMNET39542b437e=NULL;DATARMNETbf55123e5b=skb_header_pointer(
    213. 

  213. DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*DATARMNETbf55123e5b),&
    214. 

  214. DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b){DATARMNET17f6bc1be5(
    215. 

  215. DATARMNET6b0ed53aab);goto DATARMNETc1174a0f45;}memcpy(&DATARMNET8fbe36a2fa.saddr
    216. 

  216. ,&DATARMNETbf55123e5b->saddr,sizeof(struct in6_addr));memcpy(&
    217. 

  217. DATARMNET8fbe36a2fa.daddr,&DATARMNETbf55123e5b->daddr,sizeof(struct in6_addr));
    218. 

  218. dst=ipv6_stub->ipv6_dst_lookup_flow(&init_net,NULL,&DATARMNET8fbe36a2fa,NULL);if
    219. 

  219. (IS_ERR(dst)){DATARMNET17f6bc1be5(DATARMNET22ac945cae);DATARMNET39542b437e=
    220. 

  220. dev_get_by_name_rcu(&init_net,"\x64\x75\x6d\x6d\x79\x30");if(!
    221. 

  221. DATARMNET39542b437e){DATARMNET17f6bc1be5(DATARMNETf326b7c906);goto 
    222. 

  222. DATARMNETc1174a0f45;}DATARMNET8fbe36a2fa.flowi6_oif=DATARMNET39542b437e->ifindex
    223. 

  223. ;DATARMNET8fbe36a2fa.flowi6_flags=FLOWI_FLAG_KNOWN_NH;dst=ipv6_stub->
    224. 

  224. ipv6_dst_lookup_flow(&init_net,NULL,&DATARMNET8fbe36a2fa,NULL);if(IS_ERR(dst)){
    225. 

  225. DATARMNET17f6bc1be5(DATARMNET544d78ede7);goto DATARMNETc1174a0f45;}}
    226. 

  226. DATARMNETb5af46179c=xfrm_lookup(&init_net,dst,flowi6_to_flowi(&
    227. 

  227. DATARMNET8fbe36a2fa),NULL,(0xd2d+202-0xdf7));DATARMNET066b8bd537=(struct rtable*
    228. 

  228. )DATARMNETb5af46179c;if(IS_ERR(DATARMNET066b8bd537)){DATARMNET17f6bc1be5(
    229. 

  229. DATARMNET97b44d0c09);goto DATARMNETc1174a0f45;}skb_dst_set(DATARMNET543491eb0f,
    230. 

  230. DATARMNETb5af46179c);dst_output(&init_net,NULL,DATARMNET543491eb0f);
    231. 

  231. DATARMNET17f6bc1be5(DATARMNETf954265acb);return RX_HANDLER_CONSUMED;}
    232. 

  232. DATARMNETc1174a0f45:kfree_skb(DATARMNET543491eb0f);return RX_HANDLER_CONSUMED;}
    233. 

  233. static rx_handler_result_t DATARMNET68fe094884(struct sk_buff**
    234. 

  234. DATARMNET89946cec52){struct DATARMNET0ca9d8ead7 DATARMNETa76763310b={};struct 
    235. 

  235. DATARMNET4f49486833*DATARMNET63b1a086d5;struct sk_buff*DATARMNET543491eb0f=*
    236. 

  236. DATARMNET89946cec52;unsigned long DATARMNETfb0677cc3c;struct DATARMNET8d3c2559ca
    237. 

  237.  DATARMNET2d4b4cfc9e;struct DATARMNET41b426061d*DATARMNET8184934307;uint8_t 
    238. 

  238. DATARMNET1a901c3d09=DATARMNETdcafdec32a;if(!DATARMNET543491eb0f||
    239. 

  239. DATARMNET543491eb0f->pkt_type==PACKET_LOOPBACK)return RX_HANDLER_PASS;if(
    240. 

  240. DATARMNET543491eb0f->protocol==htons(ETH_P_IP)){struct iphdr*DATARMNET86f1f2cdc9
    241. 

  241. ,DATARMNETbf6548198e;DATARMNET86f1f2cdc9=skb_header_pointer(DATARMNET543491eb0f,
    242. 

  242. (0xd2d+202-0xdf7),sizeof(*DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!
    243. 

  243. DATARMNET86f1f2cdc9)goto DATARMNETbf4095f79e;DATARMNET2d4b4cfc9e.
    244. 

  244. DATARMNET0dc14167a1=DATARMNET86f1f2cdc9->saddr;DATARMNET2d4b4cfc9e.
    245. 

  245. DATARMNET0d956cc77a=(0xd11+230-0xdf3);}else if(DATARMNET543491eb0f->protocol==
    246. 

  246. htons(ETH_P_IPV6)){struct ipv6hdr*DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;
    247. 

  247. DATARMNETbf55123e5b=skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),
    248. 

  248. sizeof(*DATARMNETbf55123e5b),&DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b)goto 
    249. 

  249. DATARMNETbf4095f79e;memcpy(&DATARMNET2d4b4cfc9e.DATARMNET5700daac01,&
    250. 

  250. DATARMNETbf55123e5b->saddr,sizeof(DATARMNET2d4b4cfc9e.DATARMNET5700daac01));
    251. 

  251. DATARMNET2d4b4cfc9e.DATARMNET0d956cc77a=(0xd03+244-0xdf1);}else{goto 
    252. 

  252. DATARMNETbf4095f79e;}rcu_read_lock();DATARMNET8184934307=DATARMNETcc0a01df2a(&
    253. 

  253. DATARMNET2d4b4cfc9e);rcu_read_unlock();if(!DATARMNET8184934307)goto 
    254. 

  254. DATARMNETbf4095f79e;DATARMNET1a901c3d09=DATARMNET8184934307->DATARMNET7ed5754a5c
    255. 

  255. .DATARMNET9954a624ac;if(DATARMNET1a901c3d09==DATARMNETdcafdec32a)goto 
    256. 

  256. DATARMNETbf4095f79e;if(DATARMNET543491eb0f->dev)nf_ct_set(DATARMNET543491eb0f,
    257. 

  257. NULL,IP_CT_UNTRACKED);if(DATARMNET543491eb0f->protocol==htons(ETH_P_IP)){struct 
    258. 

  258. iphdr*DATARMNET86f1f2cdc9,DATARMNETbf6548198e;DATARMNET86f1f2cdc9=
    259. 

  259. skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*
    260. 

  260. DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!DATARMNET86f1f2cdc9)goto 
    261. 

  261. DATARMNETbf4095f79e;if(DATARMNET86f1f2cdc9->protocol==IPPROTO_TCP)goto 
    262. 

  262. DATARMNET9b3d23a43b;if(DATARMNET86f1f2cdc9->protocol!=IPPROTO_ICMP)goto 
    263. 

  263. DATARMNETbf4095f79e;DATARMNETa76763310b.DATARMNETdfe430c2d6=DATARMNET86f1f2cdc9
    264. 

  264. ->saddr;DATARMNETa76763310b.DATARMNET2cb607d686=DATARMNET86f1f2cdc9->daddr;
    265. 

  265. DATARMNETa76763310b.DATARMNET0d956cc77a=(0xd11+230-0xdf3);}else if(
    266. 

  266. DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6)){struct ipv6hdr*
    267. 

  267. DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;__be16 frag_off;u8 DATARMNET65293f17c4;
    268. 

  268. DATARMNETbf55123e5b=skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),
    269. 

  269. sizeof(*DATARMNETbf55123e5b),&DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b)goto 
    270. 

  270. DATARMNETbf4095f79e;DATARMNET65293f17c4=DATARMNETbf55123e5b->nexthdr;if(
    271. 

  271. ipv6_skip_exthdr(DATARMNET543491eb0f,sizeof(*DATARMNETbf55123e5b),&
    272. 

  272. DATARMNET65293f17c4,&frag_off)<(0xd2d+202-0xdf7))goto DATARMNETbf4095f79e;if(
    273. 

  273. frag_off&&DATARMNET65293f17c4==NEXTHDR_FRAGMENT)goto DATARMNETbf4095f79e;if(
    274. 

  274. DATARMNET65293f17c4==IPPROTO_TCP)goto DATARMNET9b3d23a43b;if(DATARMNET65293f17c4
    275. 

  275. !=IPPROTO_ICMPV6)goto DATARMNETbf4095f79e;memcpy(&DATARMNETa76763310b.
    276. 

  276. DATARMNET815cbb4bf5,&DATARMNETbf55123e5b->saddr,sizeof(DATARMNETa76763310b.
    277. 

  277. DATARMNET815cbb4bf5));memcpy(&DATARMNETa76763310b.DATARMNETc3f31215b7,&
    278. 

  278. DATARMNETbf55123e5b->daddr,sizeof(DATARMNETa76763310b.DATARMNETc3f31215b7));
    279. 

  279. DATARMNETa76763310b.DATARMNET0d956cc77a=(0xd03+244-0xdf1);}else{goto 
    280. 

  280. DATARMNETbf4095f79e;}rcu_read_lock();hash_for_each_possible_rcu(
    281. 

  281. DATARMNET5413d6f8ec,DATARMNET63b1a086d5,DATARMNETe8608dd267,DATARMNETa76763310b.
    282. 

  282. DATARMNET2cb607d686){if(DATARMNET63b1a086d5->DATARMNET1717afebc7)continue;if(!
    283. 

  283. DATARMNET5f3c9ed4da(&DATARMNET63b1a086d5->DATARMNET54338da2ff,&
    284. 

  284. DATARMNETa76763310b))continue;DATARMNET63b1a086d5->DATARMNET763f2e5fac=jiffies;
    285. 

  285. rcu_read_unlock();goto DATARMNETbf4095f79e;}rcu_read_unlock();spin_lock_irqsave(
    286. 

  286. &DATARMNET820642743b,DATARMNETfb0677cc3c);DATARMNET63b1a086d5=kzalloc(sizeof(*
    287. 

  287. DATARMNET63b1a086d5),GFP_ATOMIC);if(!DATARMNET63b1a086d5){spin_unlock_irqrestore
    288. 

  288. (&DATARMNET820642743b,DATARMNETfb0677cc3c);goto DATARMNETbf4095f79e;}
    289. 

  289. INIT_HLIST_NODE(&DATARMNET63b1a086d5->DATARMNETe8608dd267);memcpy(&
    290. 

  290. DATARMNET63b1a086d5->DATARMNET54338da2ff,&DATARMNETa76763310b,sizeof(
    291. 

  291. DATARMNETa76763310b));DATARMNET63b1a086d5->DATARMNET7ed5754a5c=&
    292. 

  292. DATARMNET8184934307->DATARMNET7ed5754a5c;hash_add_rcu(DATARMNET5413d6f8ec,&
    293. 

  293. DATARMNET63b1a086d5->DATARMNETe8608dd267,DATARMNETa76763310b.DATARMNET2cb607d686
    294. 

  294. );if(!DATARMNETf658004dbc){unsigned long DATARMNETf71ef1b8da;DATARMNETf71ef1b8da
    295. 

  295. =msecs_to_jiffies(DATARMNET4d011802ef);schedule_delayed_work(&
    296. 

  296. DATARMNET0b04fde883.DATARMNET190b4452e8,DATARMNETf71ef1b8da);}
    297. 

  297. DATARMNETf658004dbc++;spin_unlock_irqrestore(&DATARMNET820642743b,
    298. 

  298. DATARMNETfb0677cc3c);DATARMNETbf4095f79e:return DATARMNETc9ed97754a(
    299. 

  299. DATARMNET543491eb0f,DATARMNET1a901c3d09);DATARMNET9b3d23a43b:DATARMNET7ca470d54b
    300. 

  300. (DATARMNET543491eb0f,TCP_FLAG_SYN);return DATARMNETc9ed97754a(
    301. 

  301. DATARMNET543491eb0f,DATARMNET1a901c3d09);}struct DATARMNET8d3c2559ca*
    302. 

  302. DATARMNET07f0e0f286(struct DATARMNET0ca9d8ead7*DATARMNET54338da2ff)__must_hold(
    303. 

  303. RCU){struct DATARMNET4f49486833*DATARMNET63b1a086d5;hash_for_each_possible_rcu(
    304. 

  304. DATARMNET5413d6f8ec,DATARMNET63b1a086d5,DATARMNETe8608dd267,DATARMNET54338da2ff
    305. 

  305. ->DATARMNET2cb607d686){if(DATARMNET63b1a086d5->DATARMNET1717afebc7)continue;if(!
    306. 

  306. DATARMNET5f3c9ed4da(&DATARMNET63b1a086d5->DATARMNET54338da2ff,
    307. 

  307. DATARMNET54338da2ff))continue;return DATARMNET63b1a086d5->DATARMNET7ed5754a5c;}
    308. 

  308. return NULL;}void DATARMNETf4e1a29dbc(void){cancel_delayed_work_sync(&
    309. 

  309. DATARMNET0b04fde883.DATARMNET190b4452e8);DATARMNET0b04fde883.DATARMNETcd94e0d3c7
    310. 

  310. =true;schedule_delayed_work(&DATARMNET0b04fde883.DATARMNET190b4452e8,
    311. 

  311. (0xd2d+202-0xdf7));cancel_delayed_work_sync(&DATARMNET0b04fde883.
    312. 

  312. DATARMNET190b4452e8);}void DATARMNET6f73df41cd(struct sk_buff*
    313. 

  313. DATARMNET543491eb0f){int protocol=-(0xd26+209-0xdf6);struct DATARMNETe117226f58*
    314. 

  314. DATARMNET3396919a68=rcu_dereference(DATARMNETcde6e442f5);if(!DATARMNET3396919a68
    315. 

  315. )return;if(DATARMNET543491eb0f->protocol==htons(ETH_P_IP)){struct iphdr*
    316. 

  316. DATARMNET86f1f2cdc9,DATARMNETbf6548198e;DATARMNET86f1f2cdc9=skb_header_pointer(
    317. 

  317. DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*DATARMNET86f1f2cdc9),&
    318. 

  318. DATARMNETbf6548198e);if(!DATARMNET86f1f2cdc9)return;if(DATARMNET86f1f2cdc9->
    319. 

  319. version!=DATARMNET3396919a68->DATARMNET0d956cc77a&&DATARMNET86f1f2cdc9->saddr!=
    320. 

  320. DATARMNET3396919a68->DATARMNETdfe430c2d6&&DATARMNET86f1f2cdc9->daddr!=
    321. 

  321. DATARMNET3396919a68->DATARMNET2cb607d686)return;protocol=DATARMNET86f1f2cdc9->
    322. 

  322. protocol;}else if(DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6)){struct 
    323. 

  323. ipv6hdr*DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;DATARMNETbf55123e5b=
    324. 

  324. skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*
    325. 

  325. DATARMNETbf55123e5b),&DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b)return;if(
    326. 

  326. DATARMNETbf55123e5b->version!=DATARMNET3396919a68->DATARMNET0d956cc77a&&
    327. 

  327. ipv6_addr_cmp(&DATARMNETbf55123e5b->saddr,&DATARMNET3396919a68->
    328. 

  328. DATARMNET815cbb4bf5)&&ipv6_addr_cmp(&DATARMNETbf55123e5b->daddr,&
    329. 

  329. DATARMNET3396919a68->DATARMNETc3f31215b7))return;protocol=DATARMNETbf55123e5b->
    330. 

  330. nexthdr;}if(protocol==IPPROTO_UDP){if(udp_hdr(DATARMNET543491eb0f)->source==
    331. 

  331. DATARMNET3396919a68->DATARMNET08e913477e&&udp_hdr(DATARMNET543491eb0f)->dest==
    332. 

  332. DATARMNET3396919a68->DATARMNETda7f7fa492)goto DATARMNET9573fcc9c6;}return;
    333. 

  333. DATARMNET9573fcc9c6:DATARMNET543491eb0f->priority=2607612160;DATARMNET5ca94dbc3c
    334. 

  334. (DATARMNETc2cade1d75);}static rx_handler_result_t DATARMNETd2f80b03ce(struct 
    335. 

  335. sk_buff**DATARMNET89946cec52){struct net_device*DATARMNET00dcb79bc4;if(!
    336. 

  336. DATARMNET89946cec52||!(*DATARMNET89946cec52)||!(*DATARMNET89946cec52)->dev)
    337. 

  337. return RX_HANDLER_PASS;DATARMNET00dcb79bc4=(*DATARMNET89946cec52)->dev;if(!
    338. 

  338. DATARMNETaba2beb199(DATARMNET00dcb79bc4->name,
    339. 

  339. "\x72\x5f\x72\x6d\x6e\x65\x74\x5f\x64\x61\x74\x61",(0xd19+238-0xdfb)))return 
    340. 

  340. DATARMNET68fe094884(DATARMNET89946cec52);if(!DATARMNETaba2beb199(
    341. 

  341. DATARMNET00dcb79bc4->name,DATARMNETe447822105(),IFNAMSIZ))return 
    342. 

  342. DATARMNET37a92021f9(DATARMNET89946cec52);if(!DATARMNETaba2beb199(
    343. 

  343. DATARMNET00dcb79bc4->name,DATARMNET934406764d(),IFNAMSIZ))return 
    344. 

  344. DATARMNET37a92021f9(DATARMNET89946cec52);return RX_HANDLER_PASS;}static const 
    345. 

  345. struct rmnet_module_hook_register_info DATARMNET1928843de7[]={{.hooknum=
    346. 

  346. RMNET_MODULE_HOOK_WLAN_FLOW_MATCH,.func=DATARMNET6f73df41cd,},{.hooknum=
    347. 

  347. RMNET_MODULE_HOOK_WLAN_INGRESS_RX_HANDLER,.func=DATARMNETd2f80b03ce,},};void 
    348. 

  348. DATARMNET333c107558(void){rcu_assign_pointer(rmnet_wlan_ll_tuple_hook,
    349. 

  349. DATARMNET6f73df41cd);rmnet_module_hook_register(DATARMNET1928843de7,ARRAY_SIZE(
    350. 

  350. DATARMNET1928843de7));}void DATARMNET4c08c7210c(void){rcu_assign_pointer(
    351. 

  351. rmnet_wlan_ll_tuple_hook,NULL);rmnet_module_hook_unregister(DATARMNET1928843de7,
    352. 

  352. ARRAY_SIZE(DATARMNET1928843de7));}int DATARMNET9f106ed933(void){
    353. 

  353. INIT_DELAYED_WORK(&DATARMNET0b04fde883.DATARMNET190b4452e8,DATARMNET8211acc766);
    354. 

  354. return(0xd2d+202-0xdf7);}int DATARMNETf56cbaa2b1(void){DATARMNETf4e1a29dbc();
    355. 

  355. return(0xd2d+202-0xdf7);}
    356.