kernel-ark/include/net
Wei Yongjun 3687b1dc6f [TCP]: SNMPv2 tcpAttemptFails counter error
Refer to RFC2012, tcpAttemptFails is defined as following:
  tcpAttemptFails OBJECT-TYPE
      SYNTAX      Counter32
      MAX-ACCESS  read-only
      STATUS      current
      DESCRIPTION
              "The number of times TCP connections have made a direct
              transition to the CLOSED state from either the SYN-SENT
              state or the SYN-RCVD state, plus the number of times TCP
              connections have made a direct transition to the LISTEN
              state from the SYN-RCVD state."
      ::= { tcp 7 }

When I lookup into RFC793, I found that the state change should occured
under following condition:
  1. SYN-SENT -> CLOSED
     a) Received ACK,RST segment when SYN-SENT state.

  2. SYN-RCVD -> CLOSED
     b) Received SYN segment when SYN-RCVD state(came from LISTEN).
     c) Received RST segment when SYN-RCVD state(came from SYN-SENT).
     d) Received SYN segment when SYN-RCVD state(came from SYN-SENT).

  3. SYN-RCVD -> LISTEN
     e) Received RST segment when SYN-RCVD state(came from LISTEN).

In my test, those direct state transition can not be counted to
tcpAttemptFails.

Signed-off-by: Wei Yongjun <yjwei@nanjing-fnst.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-08-02 13:38:19 -07:00
..
bluetooth [Bluetooth] Use real devices for host controllers 2006-07-03 19:54:02 -07:00
irda [PATCH] irq-flags: drivers/net: Use the new IRQF_ constants 2006-07-02 13:58:51 -07:00
netfilter Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
sctp [SCTP]: ADDIP: Don't use an address as source until it is ASCONF-ACKed 2006-07-21 14:49:25 -07:00
tc_act [NETFILTER]: futher {ip,ip6,arp}_tables unification 2006-03-22 13:56:56 -08:00
tipc [TIPC]: Corrected potential misuse of tipc_media_addr structure. 2006-06-25 23:38:29 -07:00
act_api.h
act_generic.h
addrconf.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
af_unix.h [PATCH] lockdep: annotate af_unix locking 2006-07-03 15:27:07 -07:00
ah.h
arp.h [IPV4]: Possible cleanups. 2006-04-14 15:00:20 -07:00
atmclip.h
ax25.h [AX.25]: Reference counting for AX.25 routes. 2006-07-03 19:30:18 -07:00
checksum.h
compat.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
datalink.h
dn_dev.h [DECnet]: Endian annotation and fixes for DECnet. 2006-03-20 22:42:39 -08:00
dn_fib.h [DECnet]: Endian annotation and fixes for DECnet. 2006-03-20 22:42:39 -08:00
dn_neigh.h [DECnet]: Endian annotation and fixes for DECnet. 2006-03-20 22:42:39 -08:00
dn_nsp.h [DECnet]: Endian annotation and fixes for DECnet. 2006-03-20 22:42:39 -08:00
dn_route.h [DECnet]: Endian annotation and fixes for DECnet. 2006-03-20 22:42:39 -08:00
dn.h [DECnet]: Endian annotation and fixes for DECnet. 2006-03-20 22:42:39 -08:00
dsfield.h
dst.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
esp.h
flow.h [DECnet]: Endian annotation and fixes for DECnet. 2006-03-20 22:42:39 -08:00
gen_stats.h
genetlink.h [PATCH] per-task-delay-accounting: utilities for genetlink usage 2006-07-14 21:53:56 -07:00
icmp.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
ieee80211_crypt.h [PATCH] ieee80211: Add TKIP crypt->build_iv 2006-01-27 17:08:07 -05:00
ieee80211_radiotap.h
ieee80211.h [PATCH] wireless: Changes to ieee80211.h for user space regulatory daemon 2006-06-15 15:48:13 -04:00
ieee80211softmac_wx.h [PATCH] softmac: add SIOCSIWMLME 2006-04-24 16:15:58 -04:00
ieee80211softmac.h [PATCH] SoftMAC: Prevent multiple authentication attempts on the same network 2006-07-05 13:42:58 -04:00
if_inet6.h [IPV6]: ADDRCONF: Use our standard algorithm for randomized ifid. 2006-03-20 16:54:09 -08:00
inet6_connection_sock.h
inet6_hashtables.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
inet_common.h
inet_connection_sock.h [ICSK] compat: Introduce inet_csk_compat_[gs]etsockopt 2006-03-20 22:46:16 -08:00
inet_ecn.h
inet_hashtables.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
inet_sock.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
inet_timewait_sock.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 2006-05-06 19:59:18 +01:00
inetpeer.h
ip6_checksum.h
ip6_fib.h
ip6_route.h [IPV6]: Audit all ip6_dst_lookup/ip6_dst_store calls 2006-08-02 13:38:14 -07:00
ip6_tunnel.h
ip_fib.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
ip_mp_alg.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
ip_vs.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
ip.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
ipcomp.h
ipconfig.h
ipip.h
ipv6.h [IPV6]: Audit all ip6_dst_lookup/ip6_dst_store calls 2006-08-02 13:38:14 -07:00
ipx.h
iw_handler.h [PATCH] WE-20 for kernel 2.6.16 2006-03-23 07:12:57 -05:00
lapb.h
llc_c_ac.h
llc_c_ev.h
llc_c_st.h
llc_conn.h
llc_if.h [LLC]: add multicast support for datagrams 2006-06-17 21:26:08 -07:00
llc_pdu.h
llc_s_ac.h
llc_s_ev.h
llc_s_st.h
llc_sap.h
llc.h [LLC]: llc_mac_hdr_init const arguments 2006-03-20 22:59:36 -08:00
ndisc.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
neighbour.h [NEIGH]: Fix IP-over-ATM and ARP interaction. 2006-05-12 14:56:08 -07:00
netdma.h [I/OAT]: net/core/user_dma.c should #include <net/netdma.h> 2006-07-21 14:49:49 -07:00
netlink.h
netrom.h [NETROM]: Eleminate HZ from NET/ROM kernel interfaces 2006-05-03 23:27:47 -07:00
p8022.h
pkt_act.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
pkt_cls.h
pkt_sched.h [PKT_SCHED]: Fix regression in PSCHED_TADD{,2}. 2006-07-24 12:44:23 -07:00
protocol.h [NET] gso: Fix up GSO packets with broken checksums 2006-07-08 13:34:56 -07:00
psnap.h
raw.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
rawv6.h
red.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
request_sock.h [NET]: drop duplicate assignment in request_sock 2006-03-26 17:39:55 -08:00
rose.h [ROSE]: Eleminate HZ from ROSE kernel interfaces 2006-05-03 23:28:20 -07:00
route.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
sch_generic.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
scm.h [AF_UNIX]: Datagram getpeersec 2006-06-29 16:58:06 -07:00
slhc_vj.h
snmp.h
sock.h [PATCH] lockdep: annotate sk_locks 2006-07-03 15:27:10 -07:00
syncppp.h
tcp_ecn.h [IPV6]: Added GSO support for TCPv6 2006-06-30 14:12:10 -07:00
tcp_states.h
tcp.h [TCP]: SNMPv2 tcpAttemptFails counter error 2006-08-02 13:38:19 -07:00
timewait_sock.h
transp_v6.h
udp.h
x25.h [X25]: allow ITU-T DTE facilities for x25 2006-03-22 00:01:31 -08:00
x25device.h [X25]: Restore skb->dev setting in x25_type_trans(). 2006-04-09 22:37:18 -07:00
xfrm.h [IPSEC] xfrm: Use IPPROTO_MAX instead of 256 2006-06-17 21:28:43 -07:00