670ea10293
Update module to version I721bd69521fe4aa8daebefb280d8d1509f91e673 Change-Id: I321b1be25fbed91b164c9fae9b606a2d87b62c92
191 lines
12 KiB
C
191 lines
12 KiB
C
/* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/compiler.h>
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#include <linux/rcupdate.h>
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#include <linux/jhash.h>
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#include <linux/spinlock.h>
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#include "rmnet_descriptor.h"
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#include "rmnet_handlers.h"
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#include "rmnet_map.h"
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#include "rmnet_offload_main.h"
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#include "rmnet_offload_state.h"
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#include "rmnet_offload_engine.h"
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#include "rmnet_offload_stats.h"
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static const char*DATARMNET9a36480134[]__always_unused={
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"\x49\x37\x32\x31\x62\x64\x36\x39\x35\x32\x31\x66\x65\x34\x61\x61\x38\x64\x61\x65\x62\x65\x66\x62\x32\x38\x30\x64\x38\x64\x31\x35\x30\x39\x66\x39\x31\x65\x36\x37\x33"
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,};static DEFINE_SPINLOCK(DATARMNET56235f0bb4);static u32 DATARMNETf6597f07e9(
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struct DATARMNETadd6ff90d0*DATARMNET809d788099){__be32 DATARMNET51e56c6582[
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(0x5b9+1700-0xc52)];u32 DATARMNETb65409e3b5;__be16 DATARMNETe048999b85=
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(0xb0c+7037-0x2689),DATARMNET6b15e99cb9=(0x6dc+1549-0xce9);if(
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DATARMNET809d788099->DATARMNET072708db10==DATARMNETb02d95e937||
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DATARMNET809d788099->DATARMNET072708db10==DATARMNET70889e5696){struct
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DATARMNET2d87db499d*DATARMNET5829e80183=DATARMNET809d788099->DATARMNETc51cdf696b
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;DATARMNETe048999b85=DATARMNET5829e80183->DATARMNETaad9b0a864;
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DATARMNET6b15e99cb9=DATARMNET5829e80183->DATARMNETd751c12d13;}if(
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DATARMNET809d788099->DATARMNET9f5b2909c8==(0x10f3+703-0x13ae)){struct
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DATARMNETf61a39bce9*DATARMNETf7a5ea0c29=DATARMNET809d788099->DATARMNET574a565f78
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;DATARMNET51e56c6582[(0x167b+1973-0x1e30)]=DATARMNETf7a5ea0c29->
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DATARMNET799b2a47a5;DATARMNET51e56c6582[(0xcb3+6554-0x264c)]=DATARMNETf7a5ea0c29
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->DATARMNET7c6ed51964;DATARMNET51e56c6582[(0x1c51+2147-0x24b2)]=
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DATARMNETf7a5ea0c29->DATARMNET065f40367c;DATARMNET51e56c6582[
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(0x1092+2502-0x1a55)]=DATARMNET6b15e99cb9;DATARMNET51e56c6582[
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(0x1300+1818-0x1a16)]=DATARMNETe048999b85;DATARMNETb65409e3b5=
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(0x1ac+8562-0x2319);}else{struct DATARMNETfab66e680d*DATARMNET6bd3c60da4=
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DATARMNET809d788099->DATARMNET1dab0af728;memcpy(&DATARMNET51e56c6582[
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(0x11d+5240-0x1595)],&DATARMNET6bd3c60da4->DATARMNET818f335f71[
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(0x8dd+4882-0x1bef)],sizeof(DATARMNET6bd3c60da4->DATARMNET818f335f71));memcpy(&
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DATARMNET51e56c6582[(0xbbd+5094-0x1f9e)],&DATARMNET6bd3c60da4->
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DATARMNET0f6f3a8868[(0x2fb+6889-0x1de4)],sizeof(DATARMNET6bd3c60da4->
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DATARMNET818f335f71));DATARMNET51e56c6582[(0x1438+742-0x1716)]=
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DATARMNET6bd3c60da4->DATARMNETa2be9ad0de;DATARMNET51e56c6582[(0x411+5381-0x190d)
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]=DATARMNET6b15e99cb9;DATARMNET51e56c6582[(0x1e1+3364-0xefb)]=
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DATARMNETe048999b85;DATARMNETb65409e3b5=(0x59b+5231-0x19ff);}return jhash2(
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DATARMNET51e56c6582,DATARMNETb65409e3b5,(0xeea+3831-0x1de1));}static void
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DATARMNETee281dc788(u32 DATARMNET0eb96739bf){u32 DATARMNETc7bc65a2a5;if(
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DATARMNET0eb96739bf>50000)DATARMNETc7bc65a2a5=DATARMNETd096b7b9cd;else if(
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DATARMNET0eb96739bf>30000)DATARMNETc7bc65a2a5=DATARMNET1e2ecb33d1;else if(
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DATARMNET0eb96739bf>23000)DATARMNETc7bc65a2a5=DATARMNET3b1a812e5c;else if(
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DATARMNET0eb96739bf>14500)DATARMNETc7bc65a2a5=DATARMNET64bf04bc47;else if(
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DATARMNET0eb96739bf>(0x22ed+7824-0x2625))DATARMNETc7bc65a2a5=DATARMNET7069e38e48
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;else if(DATARMNET0eb96739bf>(0x1fd3+2486-0x2411))DATARMNETc7bc65a2a5=
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DATARMNETc005f7933f;else DATARMNETc7bc65a2a5=DATARMNET2eb3321438;
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DATARMNET5d24865423(DATARMNETc7bc65a2a5);}static bool DATARMNET00b745f472(struct
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rmnet_frag_descriptor*DATARMNETa41162aa9b,struct DATARMNETadd6ff90d0*
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DATARMNET809d788099){u8*DATARMNET218e3007fa;u16 DATARMNET0eb96739bf;u16
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DATARMNET0d3dcef7b0;if(DATARMNETa41162aa9b->hdrs_valid){DATARMNET809d788099->
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DATARMNET9f5b2909c8=DATARMNETa41162aa9b->ip_proto;DATARMNET809d788099->
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DATARMNETa7eaea0d00=DATARMNETa41162aa9b->ip_len;DATARMNET809d788099->
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DATARMNET072708db10=DATARMNETa41162aa9b->trans_proto;DATARMNET809d788099->
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DATARMNETfeb7c81ac7=DATARMNETa41162aa9b->trans_len;DATARMNET809d788099->
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DATARMNET574a565f78=(struct DATARMNETf61a39bce9*)DATARMNETa41162aa9b->hdr_ptr;
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DATARMNET809d788099->DATARMNET7ff34eacb7=(struct DATARMNET1bffb1c388*)(
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DATARMNETa41162aa9b->hdr_ptr+DATARMNETa41162aa9b->ip_len);DATARMNET809d788099->
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DATARMNET68ad0738e2=DATARMNETf6597f07e9(DATARMNET809d788099);DATARMNET809d788099
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->DATARMNET5671455f38=skb_frag_size(&DATARMNETa41162aa9b->frag);if(
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DATARMNETa41162aa9b->hdr_ptr==rmnet_frag_data_ptr(DATARMNETa41162aa9b))
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DATARMNET809d788099->DATARMNET5671455f38-=DATARMNETa41162aa9b->ip_len+
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DATARMNETa41162aa9b->trans_len;DATARMNET809d788099->DATARMNET798fafaf36=
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DATARMNETa41162aa9b;return false;}DATARMNET218e3007fa=rmnet_frag_data_ptr(
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DATARMNETa41162aa9b);DATARMNET0eb96739bf=skb_frag_size(&DATARMNETa41162aa9b->
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frag);DATARMNET809d788099->DATARMNET2f3cb41448=true;DATARMNET809d788099->
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DATARMNET9f5b2909c8=(DATARMNET218e3007fa[(0x2a+5400-0x1542)]&
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(0x1881+3821-0x267e))>>(0x16d+792-0x481);if(DATARMNET809d788099->
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DATARMNET9f5b2909c8==(0x73a+2289-0x1027)){struct DATARMNETf61a39bce9*
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DATARMNETf7a5ea0c29;DATARMNETf7a5ea0c29=(struct DATARMNETf61a39bce9*)
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DATARMNET218e3007fa;DATARMNET809d788099->DATARMNET574a565f78=DATARMNETf7a5ea0c29
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;DATARMNET809d788099->DATARMNETa7eaea0d00=DATARMNETf7a5ea0c29->
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DATARMNET422c25939d*(0x1235+3369-0x1f5a);DATARMNET809d788099->
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DATARMNET072708db10=DATARMNETf7a5ea0c29->DATARMNET065f40367c;if(
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DATARMNETf7a5ea0c29->DATARMNETa803e4f68b&htons(16383)){DATARMNET5d24865423(
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DATARMNET433e163a43);goto DATARMNET02a8afcd23;}DATARMNET0d3dcef7b0=ntohs(
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DATARMNETf7a5ea0c29->DATARMNETefd12e7a2b);DATARMNET809d788099->
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DATARMNET6cc77c7b3f=DATARMNET0d3dcef7b0!=DATARMNET0eb96739bf;}else if(
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DATARMNET809d788099->DATARMNET9f5b2909c8==(0x79a+292-0x8b8)){struct
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DATARMNETfab66e680d*DATARMNET6bd3c60da4;int DATARMNET5fc606c6dc;__be16
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DATARMNETe95a0a73b9;u8 DATARMNETcb5c3d9e39;DATARMNET6bd3c60da4=(struct
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DATARMNETfab66e680d*)DATARMNET218e3007fa;DATARMNET809d788099->
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DATARMNET1dab0af728=DATARMNET6bd3c60da4;DATARMNETcb5c3d9e39=DATARMNET6bd3c60da4
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->DATARMNETa2be9ad0de;DATARMNET5fc606c6dc=rmnet_frag_ipv6_skip_exthdr(
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DATARMNETa41162aa9b,sizeof(*DATARMNET6bd3c60da4),&DATARMNETcb5c3d9e39,&
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DATARMNETe95a0a73b9);if(DATARMNET5fc606c6dc<(0x13d7+456-0x159f)){goto
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DATARMNET02a8afcd23;}DATARMNET809d788099->DATARMNETa7eaea0d00=(u16)
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DATARMNET5fc606c6dc;DATARMNET809d788099->DATARMNET072708db10=DATARMNETcb5c3d9e39
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;if(DATARMNETe95a0a73b9){if(DATARMNET809d788099->DATARMNET072708db10==
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DATARMNET75cddb74df)DATARMNET809d788099->DATARMNETa7eaea0d00+=
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(0xc6f+3338-0x1971);DATARMNET5d24865423(DATARMNET433e163a43);goto
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DATARMNET02a8afcd23;}DATARMNET0d3dcef7b0=ntohs(DATARMNET6bd3c60da4->
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DATARMNET5aeba29b95)+sizeof(*DATARMNET6bd3c60da4);DATARMNET809d788099->
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DATARMNET6cc77c7b3f=DATARMNET0d3dcef7b0!=DATARMNET0eb96739bf;}else{return true;}
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DATARMNET218e3007fa+=DATARMNET809d788099->DATARMNETa7eaea0d00;if(
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DATARMNET809d788099->DATARMNET072708db10==DATARMNET70889e5696){struct
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DATARMNET1bffb1c388*DATARMNETbd1c0986f8;DATARMNETbd1c0986f8=(struct
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DATARMNET1bffb1c388*)DATARMNET218e3007fa;DATARMNET809d788099->
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DATARMNET7ff34eacb7=DATARMNETbd1c0986f8;DATARMNET809d788099->DATARMNETfeb7c81ac7
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=DATARMNETbd1c0986f8->DATARMNET686636af95*(0xcb9+267-0xdc0);}else if(
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DATARMNET809d788099->DATARMNET072708db10==DATARMNETb02d95e937){struct
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DATARMNET2d87db499d*DATARMNET5829e80183;DATARMNET5829e80183=(struct
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DATARMNET2d87db499d*)DATARMNET218e3007fa;DATARMNET809d788099->
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DATARMNETc51cdf696b=DATARMNET5829e80183;DATARMNET809d788099->DATARMNETfeb7c81ac7
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=sizeof(*DATARMNET5829e80183);}else{goto DATARMNET02a8afcd23;}
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DATARMNET809d788099->DATARMNET2f3cb41448=false;DATARMNET809d788099->
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DATARMNET68ad0738e2=DATARMNETf6597f07e9(DATARMNET809d788099);if(!
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DATARMNET809d788099->DATARMNET6cc77c7b3f){DATARMNETa41162aa9b->ip_proto=
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DATARMNET809d788099->DATARMNET9f5b2909c8;DATARMNETa41162aa9b->ip_len=
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DATARMNET809d788099->DATARMNETa7eaea0d00;DATARMNETa41162aa9b->trans_proto=
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DATARMNET809d788099->DATARMNET072708db10;DATARMNETa41162aa9b->trans_len=
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DATARMNET809d788099->DATARMNETfeb7c81ac7;DATARMNETa41162aa9b->hdrs_valid=
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(0x9a3+3898-0x18dc);}DATARMNET02a8afcd23:DATARMNET809d788099->
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DATARMNET5671455f38=DATARMNET0eb96739bf-DATARMNET809d788099->DATARMNETa7eaea0d00
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-DATARMNET809d788099->DATARMNETfeb7c81ac7;if(DATARMNET809d788099->
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DATARMNET6cc77c7b3f)DATARMNET5d24865423(DATARMNETf4e67e1692);DATARMNET809d788099
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->DATARMNET798fafaf36=DATARMNETa41162aa9b;return false;}static void
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DATARMNET5eaded9c32(struct rmnet_frag_descriptor*DATARMNETa41162aa9b,struct
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rmnet_port*DATARMNETe8a5f322f0){struct DATARMNET8357daf015*DATARMNETf7e8f6395c=
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DATARMNETccc25794e0();struct DATARMNETadd6ff90d0 DATARMNET809d788099;memset(&
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DATARMNET809d788099,(0x1b23+1630-0x2181),sizeof(DATARMNET809d788099));
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DATARMNET8f8c3a4cc3();DATARMNETf7e8f6395c->DATARMNET547651077b=
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DATARMNETe8a5f322f0;if(DATARMNET00b745f472(DATARMNETa41162aa9b,&
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DATARMNET809d788099)){DATARMNET5d24865423(DATARMNET056a0fe195);
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rmnet_recycle_frag_descriptor(DATARMNETa41162aa9b,DATARMNETe8a5f322f0);goto
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DATARMNETe1f307999b;}DATARMNET5d24865423(DATARMNET18d408a5a5);if(
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DATARMNET809d788099.DATARMNET2f3cb41448){goto DATARMNET52a3ca33f8;}else if(
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DATARMNET809d788099.DATARMNET6cc77c7b3f){DATARMNET8b657e07e9(DATARMNET809d788099
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.DATARMNET68ad0738e2);goto DATARMNET52a3ca33f8;}if(!DATARMNETa41162aa9b->
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csum_valid){goto DATARMNET52a3ca33f8;}if(!DATARMNET9b8a1a69f3(&
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DATARMNET809d788099))goto DATARMNET52a3ca33f8;goto DATARMNETe1f307999b;
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DATARMNET52a3ca33f8:DATARMNETf9d626d72b(&DATARMNET809d788099);
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DATARMNETe1f307999b:DATARMNET4c69e80b6f();}void DATARMNET8f8c3a4cc3(void){
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spin_lock_bh(&DATARMNET56235f0bb4);}void DATARMNET4c69e80b6f(void){
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spin_unlock_bh(&DATARMNET56235f0bb4);}void DATARMNETd9ec5f4e65(void){
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rcu_assign_pointer(rmnet_perf_desc_entry,DATARMNET5eaded9c32);}void
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DATARMNET848914898b(void){rcu_assign_pointer(rmnet_perf_desc_entry,NULL);}bool
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DATARMNET4e490d9d37(void){void(*DATARMNETb4f3500b6d)(struct
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rmnet_frag_descriptor*DATARMNETa41162aa9b,struct rmnet_port*DATARMNETe8a5f322f0)
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;rcu_read_lock();DATARMNETb4f3500b6d=rcu_dereference(rmnet_perf_desc_entry);
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rcu_read_unlock();return DATARMNETb4f3500b6d!=NULL;}void DATARMNET654b85a739(
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struct rmnet_frag_descriptor*DATARMNETa41162aa9b,u32 DATARMNET30fde83b85){struct
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DATARMNET8357daf015*DATARMNETf7e8f6395c=DATARMNETccc25794e0();
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DATARMNETee281dc788(DATARMNET30fde83b85);DATARMNET5d24865423(DATARMNET6b8a6c4f4e
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);rmnet_frag_deliver(DATARMNETa41162aa9b,DATARMNETf7e8f6395c->
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DATARMNET547651077b);}void DATARMNETf9d626d72b(struct DATARMNETadd6ff90d0*
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DATARMNET809d788099){struct rmnet_frag_descriptor*DATARMNETa41162aa9b=
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DATARMNET809d788099->DATARMNET798fafaf36;u32 DATARMNET0eb96739bf=
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DATARMNET809d788099->DATARMNET5671455f38+DATARMNET809d788099->
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DATARMNETa7eaea0d00+DATARMNET809d788099->DATARMNETfeb7c81ac7;if(
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DATARMNET0eb96739bf>65536)return;if(!DATARMNET809d788099->DATARMNET2f3cb41448)
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DATARMNETa41162aa9b->hash=DATARMNET809d788099->DATARMNET68ad0738e2;
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DATARMNET654b85a739(DATARMNETa41162aa9b,DATARMNET0eb96739bf);}void
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DATARMNETfaa320a86a(void*DATARMNETe8a5f322f0){(void)DATARMNETe8a5f322f0;
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DATARMNETafcdd1146f();}void DATARMNET6b57fa3471(void*DATARMNETe8a5f322f0){struct
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DATARMNET8357daf015*DATARMNETf7e8f6395c=DATARMNETccc25794e0();(void)
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DATARMNETe8a5f322f0;if(DATARMNETf7e8f6395c->DATARMNETfe5583a585.
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DATARMNETf82a9c29ed)DATARMNET28dfa538f2();}void DATARMNET4aefca6d3c(struct
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rmnet_map_dl_ind_hdr*DATARMNETf3449c6d59,struct rmnet_map_control_command_header
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*DATARMNET23a4adcff8){struct DATARMNET8357daf015*DATARMNETf7e8f6395c=
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DATARMNETccc25794e0();(void)DATARMNET23a4adcff8;if(DATARMNETf7e8f6395c->
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DATARMNETfe5583a585.DATARMNETecff29bcbf&&DATARMNET54fd6bf483())
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DATARMNET5d24865423(DATARMNET51527f883c);DATARMNETf7e8f6395c->
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DATARMNETfe5583a585.DATARMNETecff29bcbf=true;DATARMNETf7e8f6395c->
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DATARMNETfe5583a585.DATARMNET26e013d9f7=DATARMNETf3449c6d59->le.seq;
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DATARMNETf7e8f6395c->DATARMNETfe5583a585.DATARMNETdd6feb57a5=DATARMNETf3449c6d59
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->le.pkts;}void DATARMNET94edfae28d(struct rmnet_map_dl_ind_trl*
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DATARMNET0303d63d24,struct rmnet_map_control_command_header*DATARMNET23a4adcff8)
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{struct DATARMNET8357daf015*DATARMNETf7e8f6395c=DATARMNETccc25794e0();(void)
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DATARMNET23a4adcff8;if(DATARMNETf7e8f6395c->DATARMNETfe5583a585.
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DATARMNET26e013d9f7!=DATARMNET0303d63d24->seq_le)DATARMNET5d24865423(
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DATARMNETae9ed9e102);if(DATARMNET54fd6bf483())DATARMNET5d24865423(
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DATARMNET3f56a10f4d);DATARMNETf7e8f6395c->DATARMNETfe5583a585.
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DATARMNETecff29bcbf=false;DATARMNETf7e8f6395c->DATARMNETfe5583a585.
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DATARMNET26e013d9f7=(0x1dfd+911-0x218c);DATARMNETf7e8f6395c->DATARMNETfe5583a585
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.DATARMNETdd6feb57a5=(0x2bb+6482-0x1c0d);}
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