1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 2 3 #include <net/inet_common.h> << 4 << 5 enum linux_mptcp_mib_field { 3 enum linux_mptcp_mib_field { 6 MPTCP_MIB_NUM = 0, 4 MPTCP_MIB_NUM = 0, 7 MPTCP_MIB_MPCAPABLEPASSIVE, /* Rec 5 MPTCP_MIB_MPCAPABLEPASSIVE, /* Received SYN with MP_CAPABLE */ 8 MPTCP_MIB_MPCAPABLEACTIVE, /* Sen << 9 MPTCP_MIB_MPCAPABLEACTIVEACK, /* Rec << 10 MPTCP_MIB_MPCAPABLEPASSIVEACK, /* Rec 6 MPTCP_MIB_MPCAPABLEPASSIVEACK, /* Received third ACK with MP_CAPABLE */ 11 MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK,/* 7 MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK,/* Server-side fallback during 3-way handshake */ 12 MPTCP_MIB_MPCAPABLEACTIVEFALLBACK, /* 8 MPTCP_MIB_MPCAPABLEACTIVEFALLBACK, /* Client-side fallback during 3-way handshake */ 13 MPTCP_MIB_MPCAPABLEACTIVEDROP, /* Cli << 14 MPTCP_MIB_MPCAPABLEACTIVEDISABLED, /* << 15 MPTCP_MIB_MPCAPABLEENDPATTEMPT, /* Pro << 16 MPTCP_MIB_TOKENFALLBACKINIT, /* Cou << 17 MPTCP_MIB_RETRANSSEGS, /* Seg 9 MPTCP_MIB_RETRANSSEGS, /* Segments retransmitted at the MPTCP-level */ 18 MPTCP_MIB_JOINNOTOKEN, /* Rec 10 MPTCP_MIB_JOINNOTOKEN, /* Received MP_JOIN but the token was not found */ 19 MPTCP_MIB_JOINSYNRX, /* Rec 11 MPTCP_MIB_JOINSYNRX, /* Received a SYN + MP_JOIN */ 20 MPTCP_MIB_JOINSYNBACKUPRX, /* Rec 12 MPTCP_MIB_JOINSYNBACKUPRX, /* Received a SYN + MP_JOIN + backup flag */ 21 MPTCP_MIB_JOINSYNACKRX, /* Rec 13 MPTCP_MIB_JOINSYNACKRX, /* Received a SYN/ACK + MP_JOIN */ 22 MPTCP_MIB_JOINSYNACKBACKUPRX, /* Rec 14 MPTCP_MIB_JOINSYNACKBACKUPRX, /* Received a SYN/ACK + MP_JOIN + backup flag */ 23 MPTCP_MIB_JOINSYNACKMAC, /* HMA 15 MPTCP_MIB_JOINSYNACKMAC, /* HMAC was wrong on SYN/ACK + MP_JOIN */ 24 MPTCP_MIB_JOINACKRX, /* Rec 16 MPTCP_MIB_JOINACKRX, /* Received an ACK + MP_JOIN */ 25 MPTCP_MIB_JOINACKMAC, /* HMA 17 MPTCP_MIB_JOINACKMAC, /* HMAC was wrong on ACK + MP_JOIN */ 26 MPTCP_MIB_JOINSYNTX, /* Sen << 27 MPTCP_MIB_JOINSYNTXCREATSKERR, /* Not << 28 MPTCP_MIB_JOINSYNTXBINDERR, /* Not << 29 MPTCP_MIB_JOINSYNTXCONNECTERR, /* Not << 30 MPTCP_MIB_DSSNOMATCH, /* Rec 18 MPTCP_MIB_DSSNOMATCH, /* Received a new mapping that did not match the previous one */ 31 MPTCP_MIB_DSSCORRUPTIONFALLBACK,/* DSS 19 MPTCP_MIB_DSSCORRUPTIONFALLBACK,/* DSS corruption detected, fallback */ 32 MPTCP_MIB_DSSCORRUPTIONRESET, /* DSS 20 MPTCP_MIB_DSSCORRUPTIONRESET, /* DSS corruption detected, MPJ subflow reset */ 33 MPTCP_MIB_INFINITEMAPTX, /* Sen << 34 MPTCP_MIB_INFINITEMAPRX, /* Rec 21 MPTCP_MIB_INFINITEMAPRX, /* Received an infinite mapping */ 35 MPTCP_MIB_DSSTCPMISMATCH, /* DSS << 36 MPTCP_MIB_DATACSUMERR, /* The << 37 MPTCP_MIB_OFOQUEUETAIL, /* Segments in 22 MPTCP_MIB_OFOQUEUETAIL, /* Segments inserted into OoO queue tail */ 38 MPTCP_MIB_OFOQUEUE, /* Seg 23 MPTCP_MIB_OFOQUEUE, /* Segments inserted into OoO queue */ 39 MPTCP_MIB_OFOMERGE, /* Seg 24 MPTCP_MIB_OFOMERGE, /* Segments merged in OoO queue */ 40 MPTCP_MIB_NODSSWINDOW, /* Seg 25 MPTCP_MIB_NODSSWINDOW, /* Segments not in MPTCP windows */ 41 MPTCP_MIB_DUPDATA, /* Seg 26 MPTCP_MIB_DUPDATA, /* Segments discarded due to duplicate DSS */ 42 MPTCP_MIB_ADDADDR, /* Rec 27 MPTCP_MIB_ADDADDR, /* Received ADD_ADDR with echo-flag=0 */ 43 MPTCP_MIB_ADDADDRTX, /* Sen << 44 MPTCP_MIB_ADDADDRTXDROP, /* ADD << 45 * res << 46 */ << 47 MPTCP_MIB_ECHOADD, /* Rec 28 MPTCP_MIB_ECHOADD, /* Received ADD_ADDR with echo-flag=1 */ 48 MPTCP_MIB_ECHOADDTX, /* Sen << 49 MPTCP_MIB_ECHOADDTXDROP, /* ADD << 50 * to << 51 */ << 52 MPTCP_MIB_PORTADD, /* Rec << 53 MPTCP_MIB_ADDADDRDROP, /* Dro << 54 MPTCP_MIB_JOINPORTSYNRX, /* Rec << 55 MPTCP_MIB_JOINPORTSYNACKRX, /* Rec << 56 MPTCP_MIB_JOINPORTACKRX, /* Rec << 57 MPTCP_MIB_MISMATCHPORTSYNRX, /* Rec << 58 MPTCP_MIB_MISMATCHPORTACKRX, /* Rec << 59 MPTCP_MIB_RMADDR, /* Rec 29 MPTCP_MIB_RMADDR, /* Received RM_ADDR */ 60 MPTCP_MIB_RMADDRDROP, /* Dro << 61 MPTCP_MIB_RMADDRTX, /* Sen << 62 MPTCP_MIB_RMADDRTXDROP, /* RM_ << 63 MPTCP_MIB_RMSUBFLOW, /* Rem 30 MPTCP_MIB_RMSUBFLOW, /* Remove a subflow */ 64 MPTCP_MIB_MPPRIOTX, /* Tra << 65 MPTCP_MIB_MPPRIORX, /* Rec << 66 MPTCP_MIB_MPFAILTX, /* Tra << 67 MPTCP_MIB_MPFAILRX, /* Rec << 68 MPTCP_MIB_MPFASTCLOSETX, /* Tra << 69 MPTCP_MIB_MPFASTCLOSERX, /* Rec << 70 MPTCP_MIB_MPRSTTX, /* Tra << 71 MPTCP_MIB_MPRSTRX, /* Rec << 72 MPTCP_MIB_RCVPRUNED, /* Inc << 73 MPTCP_MIB_SUBFLOWSTALE, /* Sub << 74 MPTCP_MIB_SUBFLOWRECOVER, /* Sub << 75 MPTCP_MIB_SNDWNDSHARED, /* Sub << 76 MPTCP_MIB_RCVWNDSHARED, /* Sub << 77 MPTCP_MIB_RCVWNDCONFLICTUPDATE, /* sub << 78 * con << 79 */ << 80 MPTCP_MIB_RCVWNDCONFLICT, /* Con << 81 MPTCP_MIB_CURRESTAB, /* Cur << 82 MPTCP_MIB_BLACKHOLE, /* A b << 83 __MPTCP_MIB_MAX 31 __MPTCP_MIB_MAX 84 }; 32 }; 85 33 86 #define LINUX_MIB_MPTCP_MAX __MPTCP_MIB_MA 34 #define LINUX_MIB_MPTCP_MAX __MPTCP_MIB_MAX 87 struct mptcp_mib { 35 struct mptcp_mib { 88 unsigned long mibs[LINUX_MIB_MPTCP_MAX 36 unsigned long mibs[LINUX_MIB_MPTCP_MAX]; 89 }; 37 }; 90 38 91 static inline void MPTCP_ADD_STATS(struct net << 92 enum linux_ << 93 int val) << 94 { << 95 if (likely(net->mib.mptcp_statistics)) << 96 SNMP_ADD_STATS(net->mib.mptcp_ << 97 } << 98 << 99 static inline void MPTCP_INC_STATS(struct net 39 static inline void MPTCP_INC_STATS(struct net *net, 100 enum linux_ 40 enum linux_mptcp_mib_field field) 101 { 41 { 102 if (likely(net->mib.mptcp_statistics)) 42 if (likely(net->mib.mptcp_statistics)) 103 SNMP_INC_STATS(net->mib.mptcp_ 43 SNMP_INC_STATS(net->mib.mptcp_statistics, field); 104 } 44 } 105 45 106 static inline void __MPTCP_INC_STATS(struct ne 46 static inline void __MPTCP_INC_STATS(struct net *net, 107 enum linu 47 enum linux_mptcp_mib_field field) 108 { 48 { 109 if (likely(net->mib.mptcp_statistics)) 49 if (likely(net->mib.mptcp_statistics)) 110 __SNMP_INC_STATS(net->mib.mptc 50 __SNMP_INC_STATS(net->mib.mptcp_statistics, field); 111 } << 112 << 113 static inline void MPTCP_DEC_STATS(struct net << 114 enum linux_ << 115 { << 116 if (likely(net->mib.mptcp_statistics)) << 117 SNMP_DEC_STATS(net->mib.mptcp_ << 118 } 51 } 119 52 120 bool mptcp_mib_alloc(struct net *net); 53 bool mptcp_mib_alloc(struct net *net); 121 54
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