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[XFRM]: Fix statistics.

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o Outbound sequence number overflow error status
  is counted as XfrmOutStateSeqError.
o Additionaly, it changes inbound sequence number replay
  error name from XfrmInSeqOutOfWindow to XfrmInStateSeqError
  to apply name scheme above.
o Inbound IPv4 UDP encapsuling type mismatch error is wrongly
  mapped to XfrmInStateInvalid then this patch fiex the error
  to XfrmInStateMismatch.

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Masahide NAKAMURA 2008-01-31 17:14:58 -08:00 committed by David S. Miller
parent 5255dc6e14
commit 9472c9ef64
5 changed files with 13 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
Documentation/networking/xfrm_proc.txt
View file

@ -26,8 +26,9 @@ XfrmInStateProtoError:
e.g. SA key is wrong
XfrmInStateModeError:
Transformation mode specific error
XfrmInSeqOutOfWindow:
Sequence out of window
XfrmInStateSeqError:
Sequence error
i.e. Sequence number is out of window
XfrmInStateExpired:
State is expired
XfrmInStateMismatch:
@ -60,6 +61,9 @@ XfrmOutStateProtoError:
Transformation protocol specific error
XfrmOutStateModeError:
Transformation mode specific error
XfrmOutStateSeqError:
Sequence error
i.e. Sequence number overflow
XfrmOutStateExpired:
State is expired
XfrmOutPolBlock:

3
include/linux/snmp.h
View file

@ -227,7 +227,7 @@ enum
LINUX_MIB_XFRMINNOSTATES, /* XfrmInNoStates */
LINUX_MIB_XFRMINSTATEPROTOERROR, /* XfrmInStateProtoError */
LINUX_MIB_XFRMINSTATEMODEERROR, /* XfrmInStateModeError */
LINUX_MIB_XFRMINSEQOUTOFWINDOW, /* XfrmInSeqOutOfWindow */
LINUX_MIB_XFRMINSTATESEQERROR, /* XfrmInStateSeqError */
LINUX_MIB_XFRMINSTATEEXPIRED, /* XfrmInStateExpired */
LINUX_MIB_XFRMINSTATEMISMATCH, /* XfrmInStateMismatch */
LINUX_MIB_XFRMINSTATEINVALID, /* XfrmInStateInvalid */
@ -241,6 +241,7 @@ enum
LINUX_MIB_XFRMOUTNOSTATES, /* XfrmOutNoStates */
LINUX_MIB_XFRMOUTSTATEPROTOERROR, /* XfrmOutStateProtoError */
LINUX_MIB_XFRMOUTSTATEMODEERROR, /* XfrmOutStateModeError */
LINUX_MIB_XFRMOUTSTATESEQERROR, /* XfrmOutStateSeqError */
LINUX_MIB_XFRMOUTSTATEEXPIRED, /* XfrmOutStateExpired */
LINUX_MIB_XFRMOUTPOLBLOCK, /* XfrmOutPolBlock */
LINUX_MIB_XFRMOUTPOLDEAD, /* XfrmOutPolDead */

4
net/xfrm/xfrm_input.c
View file

@ -159,12 +159,12 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
}
if ((x->encap ? x->encap->encap_type : 0) != encap_type) {
XFRM_INC_STATS(LINUX_MIB_XFRMINSTATEINVALID);
XFRM_INC_STATS(LINUX_MIB_XFRMINSTATEMISMATCH);
goto drop_unlock;
}
if (x->props.replay_window && xfrm_replay_check(x, skb, seq)) {
XFRM_INC_STATS(LINUX_MIB_XFRMINSEQOUTOFWINDOW);
XFRM_INC_STATS(LINUX_MIB_XFRMINSTATESEQERROR);
goto drop_unlock;
}

1
net/xfrm/xfrm_output.c
View file

@ -64,6 +64,7 @@ static int xfrm_output_one(struct sk_buff *skb, int err)
if (x->type->flags & XFRM_TYPE_REPLAY_PROT) {
XFRM_SKB_CB(skb)->seq = ++x->replay.oseq;
if (unlikely(x->replay.oseq == 0)) {
XFRM_INC_STATS(LINUX_MIB_XFRMOUTSTATESEQERROR);
x->replay.oseq--;
xfrm_audit_state_replay_overflow(x, skb);
err = -EOVERFLOW;

3
net/xfrm/xfrm_proc.c
View file

@ -22,7 +22,7 @@ static struct snmp_mib xfrm_mib_list[] = {
SNMP_MIB_ITEM("XfrmInNoStates", LINUX_MIB_XFRMINNOSTATES),
SNMP_MIB_ITEM("XfrmInStateProtoError", LINUX_MIB_XFRMINSTATEPROTOERROR),
SNMP_MIB_ITEM("XfrmInStateModeError", LINUX_MIB_XFRMINSTATEMODEERROR),
SNMP_MIB_ITEM("XfrmInSeqOutOfWindow", LINUX_MIB_XFRMINSEQOUTOFWINDOW),
SNMP_MIB_ITEM("XfrmInStateSeqError", LINUX_MIB_XFRMINSTATESEQERROR),
SNMP_MIB_ITEM("XfrmInStateExpired", LINUX_MIB_XFRMINSTATEEXPIRED),
SNMP_MIB_ITEM("XfrmInStateMismatch", LINUX_MIB_XFRMINSTATEMISMATCH),
SNMP_MIB_ITEM("XfrmInStateInvalid", LINUX_MIB_XFRMINSTATEINVALID),
@ -36,6 +36,7 @@ static struct snmp_mib xfrm_mib_list[] = {
SNMP_MIB_ITEM("XfrmOutNoStates", LINUX_MIB_XFRMOUTNOSTATES),
SNMP_MIB_ITEM("XfrmOutStateProtoError", LINUX_MIB_XFRMOUTSTATEPROTOERROR),
SNMP_MIB_ITEM("XfrmOutStateModeError", LINUX_MIB_XFRMOUTSTATEMODEERROR),
SNMP_MIB_ITEM("XfrmOutStateSeqError", LINUX_MIB_XFRMOUTSTATESEQERROR),
SNMP_MIB_ITEM("XfrmOutStateExpired", LINUX_MIB_XFRMOUTSTATEEXPIRED),
SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK),
SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD),