f8b9673345
update to I5c26ad712f14c9bb06c1f4c4d952f873e56cb55d CRs-Fixed: 3241933 Change-Id: I5c26ad712f14c9bb06c1f4c4d952f873e56cb55d Signed-off-by: Adithya Vendra <quic_avendra@quicinc.com>
87 lines
5.4 KiB
C
87 lines
5.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
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*
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* RMNET PERF framework
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*
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*/
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#include <linux/module.h>
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#include <linux/skbuff.h>
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#include <linux/in.h>
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#include <linux/udp.h>
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#include <linux/ip.h>
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#include <linux/ipv6.h>
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#include "rmnet_module.h"
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#include <net/ipv6.h>
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#include <net/ip.h>
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MODULE_LICENSE("\x47\x50\x4c\x20\x76\x32");static char*verinfo[]={
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"\x65\x35\x36\x63\x62\x35\x35\x64","\x65\x32\x31\x38\x66\x34\x35\x31",
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"\x33\x39\x63\x62\x64\x37\x64\x35","\x37\x34\x31\x35\x39\x32\x31\x63",
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"\x34\x64\x65\x34\x39\x64\x62\x35","\x62\x31\x63\x34\x34\x62\x34\x63"};
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module_param_array(verinfo,charp,NULL,(0xcb7+5769-0x221c));MODULE_PARM_DESC(
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verinfo,
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"\x56\x65\x72\x73\x69\x6f\x6e\x20\x6f\x66\x20\x74\x68\x65\x20\x64\x72\x69\x76\x65\x72"
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);extern void(*rmnet_perf_egress_hook1)(struct sk_buff*DATARMNET543491eb0f);
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#define DATARMNETf241a4b20f (0xe07+6616-0x2624)
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static inline bool DATARMNETe1ef3edea2(struct udphdr*DATARMNETa1abb4897c){return
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be16_to_cpu(DATARMNETa1abb4897c->source)==DATARMNETf241a4b20f||be16_to_cpu(
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DATARMNETa1abb4897c->dest)==DATARMNETf241a4b20f;}static bool DATARMNET77ab42949f
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(struct sk_buff*DATARMNET543491eb0f,int DATARMNET611d08d671){u8*
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DATARMNET352416e828,DATARMNETd9bda61912;struct udphdr*DATARMNETa1abb4897c,
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DATARMNET7b1af10647;DATARMNETa1abb4897c=skb_header_pointer(DATARMNET543491eb0f,
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DATARMNET611d08d671,sizeof(*DATARMNETa1abb4897c),&DATARMNET7b1af10647);if(!
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DATARMNETa1abb4897c||!DATARMNETe1ef3edea2(DATARMNETa1abb4897c))return false;if(
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be16_to_cpu(DATARMNETa1abb4897c->len)<sizeof(struct udphdr)+(0xd26+209-0xdf6))
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return false;DATARMNET352416e828=skb_header_pointer(DATARMNET543491eb0f,
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DATARMNET611d08d671+sizeof(struct udphdr),(0xd26+209-0xdf6),&DATARMNETd9bda61912
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);if(!DATARMNET352416e828)return false;return((*DATARMNET352416e828)&
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(0xbf7+4869-0x1e3c))==(0xbf7+4869-0x1e3c);}int DATARMNETee9214ce9b(struct
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sk_buff*DATARMNET543491eb0f){if(DATARMNET543491eb0f->protocol==htons(ETH_P_IP)){
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struct iphdr*DATARMNET86f1f2cdc9,DATARMNETbf6548198e;DATARMNET86f1f2cdc9=
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skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*
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DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!DATARMNET86f1f2cdc9||
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ip_is_fragment(DATARMNET86f1f2cdc9)||DATARMNET86f1f2cdc9->protocol!=IPPROTO_UDP)
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return-EINVAL;if(DATARMNET77ab42949f(DATARMNET543491eb0f,(DATARMNET86f1f2cdc9->
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ihl)*(0xd11+230-0xdf3)))goto DATARMNET606558916b;return-EINVAL;}if(
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DATARMNET543491eb0f->protocol==htons(ETH_P_IPV6)){struct ipv6hdr*
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DATARMNETbf55123e5b,DATARMNETcf1d9e2c1e;u8 protocol;int DATARMNET611d08d671=
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(0xd2d+202-0xdf7);__be16 DATARMNET98fed39916=(0xd2d+202-0xdf7);
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DATARMNETbf55123e5b=skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),
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sizeof(*DATARMNETbf55123e5b),&DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b)
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return-EINVAL;protocol=DATARMNETbf55123e5b->nexthdr;DATARMNET611d08d671=
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ipv6_skip_exthdr(DATARMNET543491eb0f,sizeof(struct ipv6hdr),&protocol,&
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DATARMNET98fed39916);if(DATARMNET98fed39916||protocol!=IPPROTO_UDP||
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DATARMNET611d08d671==-(0xd26+209-0xdf6))return-EINVAL;if(DATARMNET77ab42949f(
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DATARMNET543491eb0f,DATARMNET611d08d671))goto DATARMNET606558916b;}return-EINVAL
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;DATARMNET606558916b:DATARMNET543491eb0f->hash=(0xd2d+202-0xdf7);
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DATARMNET543491eb0f->sw_hash=(0xd26+209-0xdf6);return(0xd2d+202-0xdf7);}void
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DATARMNET05c4bf8af9(struct sk_buff*DATARMNET543491eb0f){if(DATARMNET543491eb0f->
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protocol==htons(ETH_P_IP)){struct iphdr*DATARMNET86f1f2cdc9,DATARMNETbf6548198e;
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DATARMNET86f1f2cdc9=skb_header_pointer(DATARMNET543491eb0f,(0xd2d+202-0xdf7),
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sizeof(*DATARMNET86f1f2cdc9),&DATARMNETbf6548198e);if(!DATARMNET86f1f2cdc9||
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ip_is_fragment(DATARMNET86f1f2cdc9)||DATARMNET86f1f2cdc9->protocol!=IPPROTO_UDP)
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return;if(DATARMNET77ab42949f(DATARMNET543491eb0f,(DATARMNET86f1f2cdc9->ihl)*
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(0xd11+230-0xdf3)))goto DATARMNETb261f33b7b;return;}if(DATARMNET543491eb0f->
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protocol==htons(ETH_P_IPV6)){struct ipv6hdr*DATARMNETbf55123e5b,
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DATARMNETcf1d9e2c1e;u8 protocol;int DATARMNET611d08d671=(0xd2d+202-0xdf7);__be16
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DATARMNET98fed39916=(0xd2d+202-0xdf7);DATARMNETbf55123e5b=skb_header_pointer(
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DATARMNET543491eb0f,(0xd2d+202-0xdf7),sizeof(*DATARMNETbf55123e5b),&
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DATARMNETcf1d9e2c1e);if(!DATARMNETbf55123e5b)return;protocol=DATARMNETbf55123e5b
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->nexthdr;DATARMNET611d08d671=ipv6_skip_exthdr(DATARMNET543491eb0f,sizeof(struct
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ipv6hdr),&protocol,&DATARMNET98fed39916);if(DATARMNET98fed39916||protocol!=
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IPPROTO_UDP||DATARMNET611d08d671==-(0xd26+209-0xdf6))return;if(
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DATARMNET77ab42949f(DATARMNET543491eb0f,DATARMNET611d08d671))goto
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DATARMNETb261f33b7b;}return;DATARMNETb261f33b7b:DATARMNET543491eb0f->priority=
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14286874;}static const struct rmnet_module_hook_register_info
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DATARMNET95a71e03c1[]={{.hooknum=RMNET_MODULE_HOOK_PERF_INGRESS,.func=
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DATARMNETee9214ce9b,},{.hooknum=RMNET_MODULE_HOOK_PERF_EGRESS,.func=
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DATARMNET05c4bf8af9,},};void DATARMNET49c17a32bc(void){rcu_assign_pointer(
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rmnet_perf_egress_hook1,DATARMNET05c4bf8af9);rmnet_module_hook_register(
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DATARMNET95a71e03c1,ARRAY_SIZE(DATARMNET95a71e03c1));}void DATARMNET41e8cc085c(
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void){rcu_assign_pointer(rmnet_perf_egress_hook1,NULL);
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rmnet_module_hook_unregister(DATARMNET95a71e03c1,ARRAY_SIZE(DATARMNET95a71e03c1)
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);}static int __init DATARMNET63abbdc3d3(void){pr_info("%s(): Loading\n",
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__func__);DATARMNET49c17a32bc();return(0xd2d+202-0xdf7);}static void __exit
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DATARMNETa343229e33(void){DATARMNET41e8cc085c();pr_info(
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"\x25\x73\x28\x29\x3a\x20\x65\x78\x69\x74\x69\x6e\x67" "\n",__func__);}
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module_init(DATARMNET63abbdc3d3);module_exit(DATARMNETa343229e33);
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