mib.h 4.0 KB

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