projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| fc518953 FW |
1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | ||
| 3 | enum linux_mptcp_mib_field { | |
| 4 | MPTCP_MIB_NUM = 0, | |
| 5 | MPTCP_MIB_MPCAPABLEPASSIVE, /* Received SYN with MP_CAPABLE */ | |
| 5695eb88 PA |
6 | MPTCP_MIB_MPCAPABLEACTIVE, /* Sent SYN with MP_CAPABLE */ |
| 7 | MPTCP_MIB_MPCAPABLEACTIVEACK, /* Received SYN/ACK with MP_CAPABLE */ | |
| fc518953 FW |
8 | MPTCP_MIB_MPCAPABLEPASSIVEACK, /* Received third ACK with MP_CAPABLE */ |
| 9 | MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK,/* Server-side fallback during 3-way handshake */ | |
| 10 | MPTCP_MIB_MPCAPABLEACTIVEFALLBACK, /* Client-side fallback during 3-way handshake */ | |
| a16195e3 | 11 | MPTCP_MIB_TOKENFALLBACKINIT, /* Could not init/allocate token */ |
| fc518953 FW |
12 | MPTCP_MIB_RETRANSSEGS, /* Segments retransmitted at the MPTCP-level */ |
| 13 | MPTCP_MIB_JOINNOTOKEN, /* Received MP_JOIN but the token was not found */ | |
| 14 | MPTCP_MIB_JOINSYNRX, /* Received a SYN + MP_JOIN */ | |
| 15 | MPTCP_MIB_JOINSYNACKRX, /* Received a SYN/ACK + MP_JOIN */ | |
| 16 | MPTCP_MIB_JOINSYNACKMAC, /* HMAC was wrong on SYN/ACK + MP_JOIN */ | |
| 17 | MPTCP_MIB_JOINACKRX, /* Received an ACK + MP_JOIN */ | |
| 18 | MPTCP_MIB_JOINACKMAC, /* HMAC was wrong on ACK + MP_JOIN */ | |
| 19 | MPTCP_MIB_DSSNOMATCH, /* Received a new mapping that did not match the previous one */ | |
| 104125b8 | 20 | MPTCP_MIB_INFINITEMAPTX, /* Sent an infinite mapping */ |
| fc518953 | 21 | MPTCP_MIB_INFINITEMAPRX, /* Received an infinite mapping */ |
| 06285da9 | 22 | MPTCP_MIB_DSSTCPMISMATCH, /* DSS-mapping did not map with TCP's sequence numbers */ |
| fe3ab1cb | 23 | MPTCP_MIB_DATACSUMERR, /* The data checksum fail */ |
| 06242e44 PA |
24 | MPTCP_MIB_OFOQUEUETAIL, /* Segments inserted into OoO queue tail */ |
| 25 | MPTCP_MIB_OFOQUEUE, /* Segments inserted into OoO queue */ | |
| 26 | MPTCP_MIB_OFOMERGE, /* Segments merged in OoO queue */ | |
| 27 | MPTCP_MIB_NODSSWINDOW, /* Segments not in MPTCP windows */ | |
| 28 | MPTCP_MIB_DUPDATA, /* Segments discarded due to duplicate DSS */ | |
| a877de06 GT |
29 | MPTCP_MIB_ADDADDR, /* Received ADD_ADDR with echo-flag=0 */ |
| 30 | MPTCP_MIB_ECHOADD, /* Received ADD_ADDR with echo-flag=1 */ | |
| 2fbdd9ea | 31 | MPTCP_MIB_PORTADD, /* Received ADD_ADDR with a port-number */ |
| f73c1194 | 32 | MPTCP_MIB_ADDADDRDROP, /* Dropped incoming ADD_ADDR */ |
| 2fbdd9ea GT |
33 | MPTCP_MIB_JOINPORTSYNRX, /* Received a SYN MP_JOIN with a different port-number */ |
| 34 | MPTCP_MIB_JOINPORTSYNACKRX, /* Received a SYNACK MP_JOIN with a different port-number */ | |
| 35 | MPTCP_MIB_JOINPORTACKRX, /* Received an ACK MP_JOIN with a different port-number */ | |
| 36 | MPTCP_MIB_MISMATCHPORTSYNRX, /* Received a SYN MP_JOIN with a mismatched port-number */ | |
| 37 | MPTCP_MIB_MISMATCHPORTACKRX, /* Received an ACK MP_JOIN with a mismatched port-number */ | |
| 7a7e52e3 | 38 | MPTCP_MIB_RMADDR, /* Received RM_ADDR */ |
| f73c1194 | 39 | MPTCP_MIB_RMADDRDROP, /* Dropped incoming RM_ADDR */ |
| 7a7e52e3 | 40 | MPTCP_MIB_RMSUBFLOW, /* Remove a subflow */ |
| 0be2ac28 GT |
41 | MPTCP_MIB_MPPRIOTX, /* Transmit a MP_PRIO */ |
| 42 | MPTCP_MIB_MPPRIORX, /* Received a MP_PRIO */ | |
| eb7f3365 GT |
43 | MPTCP_MIB_MPFAILTX, /* Transmit a MP_FAIL */ |
| 44 | MPTCP_MIB_MPFAILRX, /* Received a MP_FAIL */ | |
| 1e75629c GT |
45 | MPTCP_MIB_MPFASTCLOSETX, /* Transmit a MP_FASTCLOSE */ |
| 46 | MPTCP_MIB_MPFASTCLOSERX, /* Received a MP_FASTCLOSE */ | |
| e40dd439 GT |
47 | MPTCP_MIB_MPRSTTX, /* Transmit a MP_RST */ |
| 48 | MPTCP_MIB_MPRSTRX, /* Received a MP_RST */ | |
| ce599c51 | 49 | MPTCP_MIB_RCVPRUNED, /* Incoming packet dropped due to memory limit */ |
| fc1b4e3b PA |
50 | MPTCP_MIB_SUBFLOWSTALE, /* Subflows entered 'stale' status */ |
| 51 | MPTCP_MIB_SUBFLOWRECOVER, /* Subflows returned to active status after being stale */ | |
| 92be2f52 | 52 | MPTCP_MIB_SNDWNDSHARED, /* Subflow snd wnd is overridden by msk's one */ |
| 38acb626 PA |
53 | MPTCP_MIB_RCVWNDSHARED, /* Subflow rcv wnd is overridden by msk's one */ |
| 54 | MPTCP_MIB_RCVWNDCONFLICTUPDATE, /* subflow rcv wnd is overridden by msk's one due to | |
| 55 | * conflict with another subflow while updating msk rcv wnd | |
| 56 | */ | |
| 57 | MPTCP_MIB_RCVWNDCONFLICT, /* Conflict with while updating msk rcv wnd */ | |
| fc518953 FW |
58 | __MPTCP_MIB_MAX |
| 59 | }; | |
| 60 | ||
| 61 | #define LINUX_MIB_MPTCP_MAX __MPTCP_MIB_MAX | |
| 62 | struct mptcp_mib { | |
| 63 | unsigned long mibs[LINUX_MIB_MPTCP_MAX]; | |
| 64 | }; | |
| 65 | ||
| 66 | static inline void MPTCP_INC_STATS(struct net *net, | |
| 67 | enum linux_mptcp_mib_field field) | |
| 68 | { | |
| 69 | if (likely(net->mib.mptcp_statistics)) | |
| 70 | SNMP_INC_STATS(net->mib.mptcp_statistics, field); | |
| 71 | } | |
| 72 | ||
| 73 | static inline void __MPTCP_INC_STATS(struct net *net, | |
| 74 | enum linux_mptcp_mib_field field) | |
| 75 | { | |
| 76 | if (likely(net->mib.mptcp_statistics)) | |
| 77 | __SNMP_INC_STATS(net->mib.mptcp_statistics, field); | |
| 78 | } | |
| 79 | ||
| 80 | bool mptcp_mib_alloc(struct net *net); |