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samsung-sm8650
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android_kernel_samsung_sm8650-modules
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android_kernel_...
/
perf
/
rmnet_perf_main.c

rmnet_perf_main.c 3.4 KB
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  1. // SPDX-License-Identifier: GPL-2.0-only
    2. 

  2. /* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
    3. 

  3.  *
    4. 

  4.  * RMNET PERF framework
    5. 

  5.  *
    6. 

  6.  */
    7. 

  7. #include <linux/module.h>
    8. 

  8. #include <linux/skbuff.h>
    9. 

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

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

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

  12. #include <linux/ipv6.h>
    13. 

  13. MODULE_LICENSE("\x47\x50\x4c\x20\x76\x32");static char*verinfo[]={
    14. 

  14. "\x37\x34\x31\x35\x39\x32\x31\x63","\x34\x64\x65\x34\x39\x64\x62\x35",
    15. 

  15. "\x62\x31\x63\x34\x34\x62\x34\x63"};module_param_array(verinfo,charp,NULL,
    16. 

  16. (0xcb7+5769-0x221c));MODULE_PARM_DESC(verinfo,
    17. 

  17. "\x56\x65\x72\x73\x69\x6f\x6e\x20\x6f\x66\x20\x74\x68\x65\x20\x64\x72\x69\x76\x65\x72"
    18. 

  18. );extern int(*rmnet_perf_ingress_hook1)(struct sk_buff*DATARMNET543491eb0f);
    19. 

  19. extern void(*rmnet_perf_egress_hook1)(struct sk_buff*DATARMNET543491eb0f);
    20. 

  20. #define DATARMNETf241a4b20f (0xe07+6616-0x2624)
    21. 

  21. static inline bool DATARMNETe1ef3edea2(struct udphdr*DATARMNETa1abb4897c){return
    22. 

  22.  be16_to_cpu(DATARMNETa1abb4897c->source)==DATARMNETf241a4b20f||be16_to_cpu(
    23. 

  23. DATARMNETa1abb4897c->dest)==DATARMNETf241a4b20f;}static bool DATARMNET77ab42949f
    24. 

  24. (struct sk_buff*DATARMNET543491eb0f){u8*DATARMNET352416e828,DATARMNETd9bda61912;
    25. 

  25. struct udphdr*DATARMNETa1abb4897c;DATARMNETa1abb4897c=udp_hdr(
    26. 

  26. DATARMNET543491eb0f);if(!DATARMNETe1ef3edea2(DATARMNETa1abb4897c))return false;
    27. 

  27. if(be16_to_cpu(DATARMNETa1abb4897c->len)<sizeof(struct udphdr)+(0xd26+209-0xdf6)
    28. 

  28. )return false;DATARMNET352416e828=skb_header_pointer(DATARMNET543491eb0f,(int)((
    29. 

  29. unsigned char*)DATARMNETa1abb4897c-DATARMNET543491eb0f->data)+sizeof(struct 
    30. 

  30. udphdr),(0xd26+209-0xdf6),&DATARMNETd9bda61912);if(!DATARMNET352416e828)return 
    31. 

  31. false;return((*DATARMNET352416e828)&(0xbf7+4869-0x1e3c))==(0xbf7+4869-0x1e3c);}
    32. 

  32. int DATARMNETee9214ce9b(struct sk_buff*DATARMNET543491eb0f){if(
    33. 

  33. DATARMNET543491eb0f->protocol==htons(ETH_P_IP)){if(ip_hdr(DATARMNET543491eb0f)->
    34. 

  34. protocol!=IPPROTO_UDP)return-EINVAL;if(DATARMNET77ab42949f(DATARMNET543491eb0f))
    35. 

  35. goto DATARMNET606558916b;return-EINVAL;}if(DATARMNET543491eb0f->protocol==htons(
    36. 

  36. ETH_P_IPV6)){if(ipv6_hdr(DATARMNET543491eb0f)->nexthdr!=IPPROTO_UDP)return-
    37. 

  37. EINVAL;if(DATARMNET77ab42949f(DATARMNET543491eb0f))goto DATARMNET606558916b;}
    38. 

  38. return-EINVAL;DATARMNET606558916b:DATARMNET543491eb0f->hash=(0xd2d+202-0xdf7);
    39. 

  39. DATARMNET543491eb0f->sw_hash=(0xd26+209-0xdf6);return(0xd2d+202-0xdf7);}void 
    40. 

  40. DATARMNET05c4bf8af9(struct sk_buff*DATARMNET543491eb0f){if(DATARMNET543491eb0f->
    41. 

  41. protocol==htons(ETH_P_IP)){if(ip_hdr(DATARMNET543491eb0f)->protocol!=IPPROTO_UDP
    42. 

  42. )return;if(DATARMNET77ab42949f(DATARMNET543491eb0f))goto DATARMNETb261f33b7b;}if
    43. 

  43. (DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6)){if(ipv6_hdr(
    44. 

  44. DATARMNET543491eb0f)->nexthdr!=IPPROTO_UDP)return;if(DATARMNET77ab42949f(
    45. 

  45. DATARMNET543491eb0f))goto DATARMNETb261f33b7b;}return;DATARMNETb261f33b7b:
    46. 

  46. DATARMNET543491eb0f->priority=14286874;}void DATARMNET49c17a32bc(void){
    47. 

  47. rcu_assign_pointer(rmnet_perf_ingress_hook1,DATARMNETee9214ce9b);
    48. 

  48. rcu_assign_pointer(rmnet_perf_egress_hook1,DATARMNET05c4bf8af9);}void 
    49. 

  49. DATARMNET41e8cc085c(void){rcu_assign_pointer(rmnet_perf_ingress_hook1,NULL);
    50. 

  50. rcu_assign_pointer(rmnet_perf_egress_hook1,NULL);}static int __init 
    51. 

  51. DATARMNET63abbdc3d3(void){pr_info("%s(): Loading\n",__func__);
    52. 

  52. DATARMNET49c17a32bc();return(0xd2d+202-0xdf7);}static void __exit 
    53. 

  53. DATARMNETa343229e33(void){DATARMNET41e8cc085c();pr_info(
    54. 

  54. "\x25\x73\x28\x29\x3a\x20\x65\x78\x69\x74\x69\x6e\x67" "\n",__func__);}
    55. 

  55. module_init(DATARMNET63abbdc3d3);module_exit(DATARMNETa343229e33);
    56.