xfrm_proc.c 2.8 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * xfrm_proc.c
  4. *
  5. * Copyright (C)2006-2007 USAGI/WIDE Project
  6. *
  7. * Authors: Masahide NAKAMURA <nakam@linux-ipv6.org>
  8. */
  9. #include <linux/proc_fs.h>
  10. #include <linux/seq_file.h>
  11. #include <linux/export.h>
  12. #include <net/snmp.h>
  13. #include <net/xfrm.h>
  14. static const struct snmp_mib xfrm_mib_list[] = {
  15. SNMP_MIB_ITEM("XfrmInError", LINUX_MIB_XFRMINERROR),
  16. SNMP_MIB_ITEM("XfrmInBufferError", LINUX_MIB_XFRMINBUFFERERROR),
  17. SNMP_MIB_ITEM("XfrmInHdrError", LINUX_MIB_XFRMINHDRERROR),
  18. SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES),
  19. SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR),
  20. SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR),
  21. SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR),
  22. SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED),
  23. SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH),
  24. SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID),
  25. SNMP_MIB_ITEM("XfrmInTmplMismatch", LINUX_MIB_XFRMINTMPLMISMATCH),
  26. SNMP_MIB_ITEM("XfrmInNoPols", LINUX_MIB_XFRMINNOPOLS),
  27. SNMP_MIB_ITEM("XfrmInPolBlock", LINUX_MIB_XFRMINPOLBLOCK),
  28. SNMP_MIB_ITEM("XfrmInPolError", LINUX_MIB_XFRMINPOLERROR),
  29. SNMP_MIB_ITEM("XfrmOutError", LINUX_MIB_XFRMOUTERROR),
  30. SNMP_MIB_ITEM("XfrmOutBundleGenError", LINUX_MIB_XFRMOUTBUNDLEGENERROR),
  31. SNMP_MIB_ITEM("XfrmOutBundleCheckError", LINUX_MIB_XFRMOUTBUNDLECHECKERROR),
  32. SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES),
  33. SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR),
  34. SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR),
  35. SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR),
  36. SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED),
  37. SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK),
  38. SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD),
  39. SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR),
  40. SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR),
  41. SNMP_MIB_ITEM("XfrmOutStateInvalid", LINUX_MIB_XFRMOUTSTATEINVALID),
  42. SNMP_MIB_ITEM("XfrmAcquireError", LINUX_MIB_XFRMACQUIREERROR),
  43. SNMP_MIB_SENTINEL
  44. };
  45. static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
  46. {
  47. unsigned long buff[LINUX_MIB_XFRMMAX];
  48. struct net *net = seq->private;
  49. int i;
  50. memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX);
  51. snmp_get_cpu_field_batch(buff, xfrm_mib_list,
  52. net->mib.xfrm_statistics);
  53. for (i = 0; xfrm_mib_list[i].name; i++)
  54. seq_printf(seq, "%-24s\t%lu\n", xfrm_mib_list[i].name,
  55. buff[i]);
  56. return 0;
  57. }
  58. int __net_init xfrm_proc_init(struct net *net)
  59. {
  60. if (!proc_create_net_single("xfrm_stat", 0444, net->proc_net,
  61. xfrm_statistics_seq_show, NULL))
  62. return -ENOMEM;
  63. return 0;
  64. }
  65. void xfrm_proc_fini(struct net *net)
  66. {
  67. remove_proc_entry("xfrm_stat", net->proc_net);
  68. }