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Wei Dong dafee49085 [IPV6]: SNMPv2 "ipv6IfStatsOutFragCreates" counter error ... When I tested linux kernel 2.6.71.7 about statistics "ipv6IfStatsOutFragCreates", and found that it couldn't increase correctly. The criteria is RFC 2465: ipv6IfStatsOutFragCreates OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of output datagram fragments that have been generated as a result of fragmentation at this output interface." ::= { ipv6IfStatsEntry 15 } I think there are two issues in Linux kernel. 1st: RFC2465 specifies the counter is "The number of output datagram fragments...". I think increasing this counter after output a fragment successfully is better. And it should not be increased even though a fragment is created but failed to output. 2nd: If we send a big ICMP/ICMPv6 echo request to a host, and receive ICMP/ICMPv6 echo reply consisted of some fragments. As we know that in Linux kernel first fragmentation occurs in ICMP layer(maybe saying transport layer is better), but this is not the "real" fragmentation,just do some "pre-fragment" -- allocate space for date, and form a frag_list, etc. The "real" fragmentation happens in IP layer -- set offset and MF flag and so on. So I think in "fast path" for ip_fragment/ip6_fragment, if we send a fragment which "pre-fragment" by upper layer we should also increase "ipv6IfStatsOutFragCreates". Signed-off-by: Wei Dong <weid@nanjing-fnst.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>		19 years ago
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netfilter	[NET]: add+use poison defines	19 years ago
Kconfig	…
Makefile	…
addrconf.c	[IPV6] ADDRCONF: NLM_F_REPLACE support for RTM_NEWADDR	19 years ago
af_inet6.c	[IPV6]: Audit all ip6_dst_lookup/ip6_dst_store calls	19 years ago
ah6.c	…
anycast.c	…
datagram.c	…
esp6.c	…
exthdrs.c	[IPV6]: Added GSO support for TCPv6	19 years ago
exthdrs_core.c	…
icmp.c	…
inet6_connection_sock.c	[IPV6]: Audit all ip6_dst_lookup/ip6_dst_store calls	19 years ago
inet6_hashtables.c	…
ip6_fib.c	…
ip6_flowlabel.c	…
ip6_input.c	[IPV6]: Clean skb cb on IPv6 input.	19 years ago
ip6_output.c	[IPV6]: SNMPv2 "ipv6IfStatsOutFragCreates" counter error	19 years ago
ip6_tunnel.c	[NET]: Conversions from kmalloc+memset to k(z|c)alloc.	19 years ago
ipcomp6.c	[IPCOMP]: Fix truesize after decompression	19 years ago
ipv6_sockglue.c	[NET] gso: Fix up GSO packets with broken checksums	19 years ago
ipv6_syms.c	…
mcast.c	…
ndisc.c	…
netfilter.c	…
proc.c	…
protocol.c	…
raw.c	[IPV4/IPV6]: Setting 0 for unused port field in RAW IP recvmsg().	19 years ago
reassembly.c	…
route.c	[NET]: Core net changes to generate netevents	19 years ago
sit.c	[IPV4]: Get rid of redundant IPCB->opts initialisation	19 years ago
sysctl_net_ipv6.c	…
tcp_ipv6.c	[TCP]: SNMPv2 tcpAttemptFails counter error	19 years ago
tunnel6.c	…
udp.c	[IPV6]: Audit all ip6_dst_lookup/ip6_dst_store calls	19 years ago
xfrm6_input.c	…
xfrm6_mode_transport.c	…
xfrm6_mode_tunnel.c	…
xfrm6_output.c	[XFRM]: Fix protocol field value for outgoing IPv6 GSO packets	19 years ago
xfrm6_policy.c	…
xfrm6_state.c	…
xfrm6_tunnel.c	[IPV6] xfrm6_tunnel: Delete debugging code.	19 years ago