[cgutman] 54939: [TCPIP] - Configure route NCEs to never timeout to prevent them from falling out from under the routing code - Fix a typo - Fix detection of duplicate routes [NETCFGX] - Don't dele...
13 Jan
2012
13 Jan
'12
6:32 p.m.
Author: cgutman
Date: Fri Jan 13 18:32:30 2012
New Revision: 54939
URL: http://svn.reactos.org/svn/reactos?rev=54939&view=rev
Log:
[TCPIP]
- Configure route NCEs to never timeout to prevent them from falling out from under the
routing code
- Fix a typo
- Fix detection of duplicate routes
[NETCFGX]
- Don't delete all routes for an interface when adding a default gateway
Modified:
branches/wlan-bringup/dll/win32/netcfgx/tcpipconf_notify.c
branches/wlan-bringup/drivers/network/tcpip/datalink/lan.c
branches/wlan-bringup/drivers/network/tcpip/include/neighbor.h
branches/wlan-bringup/drivers/network/tcpip/tcpip/dispatch.c
branches/wlan-bringup/lib/drivers/ip/network/neighbor.c
branches/wlan-bringup/lib/drivers/ip/network/router.c
Modified: branches/wlan-bringup/dll/win32/netcfgx/tcpipconf_notify.c
URL:
http://svn.reactos.org/svn/reactos/branches/wlan-bringup/dll/win32/netcfgx/…
==============================================================================
--- branches/wlan-bringup/dll/win32/netcfgx/tcpipconf_notify.c [iso-8859-1] (original)
+++ branches/wlan-bringup/dll/win32/netcfgx/tcpipconf_notify.c [iso-8859-1] Fri Jan 13
18:32:30 2012
@@ -3243,7 +3243,8 @@
{
for (Index = 0; Index < pIpForwardTable->dwNumEntries;
Index++)
{
- if (pIpForwardTable->table[Index].dwForwardIfIndex ==
pOldConfig->Index)
+ if (pIpForwardTable->table[Index].dwForwardIfIndex ==
pOldConfig->Index &&
+ pIpForwardTable->table[Index].dwForwardDest == 0)
{
DeleteIpForwardEntry(&pIpForwardTable->table[Index]);
}
Modified: branches/wlan-bringup/drivers/network/tcpip/datalink/lan.c
URL:
http://svn.reactos.org/svn/reactos/branches/wlan-bringup/drivers/network/tc…
==============================================================================
--- branches/wlan-bringup/drivers/network/tcpip/datalink/lan.c [iso-8859-1] (original)
+++ branches/wlan-bringup/drivers/network/tcpip/datalink/lan.c [iso-8859-1] Fri Jan 13
18:32:30 2012
@@ -709,14 +709,14 @@
Interface->Broadcast.Type = IP_ADDRESS_V4;
Interface->Broadcast.Address.IPv4Address =
Interface->Unicast.Address.IPv4Address |
~Interface->Netmask.Address.IPv4Address;
+
+ /* Add the interface route for a static IP */
+ if (!AddrIsUnspecified(&Interface->Unicast))
+ IPAddInterfaceRoute(Interface);
/* Add the default route */
if (!AddrIsUnspecified(&Interface->StaticRouter))
RouterCreateRoute(&DefaultMask, &DefaultMask,
&Interface->StaticRouter, Interface, 1);
-
- /* Add the interface route for a static IP */
- if (!AddrIsUnspecified(&Interface->Unicast))
- IPAddInterfaceRoute(Interface);
}
}
else if (!FinishedReset)
Modified: branches/wlan-bringup/drivers/network/tcpip/include/neighbor.h
URL:
http://svn.reactos.org/svn/reactos/branches/wlan-bringup/drivers/network/tc…
==============================================================================
--- branches/wlan-bringup/drivers/network/tcpip/include/neighbor.h [iso-8859-1]
(original)
+++ branches/wlan-bringup/drivers/network/tcpip/include/neighbor.h [iso-8859-1] Fri Jan 13
18:32:30 2012
@@ -43,16 +43,16 @@
#define NUD_STALE 0x04
/* Timeout for incomplete NCE ARP requests */
-#define ARP_INCOMPLETE_TIMEOUT 5
+#define ARP_INCOMPLETE_TIMEOUT 3
/* Number of seconds between ARP transmissions */
#define ARP_RATE 900
/* Number of seconds before the NCE times out */
-#define ARP_COMPLETE_TIMEOUT (ARP_RATE + 15)
+#define ARP_COMPLETE_TIMEOUT (ARP_RATE + 9)
/* Number of seconds before retransmission */
-#define ARP_TIMEOUT_RETRANSMISSION 5
+#define ARP_TIMEOUT_RETRANSMISSION 3
extern NEIGHBOR_CACHE_TABLE NeighborCache[NB_HASHMASK + 1];
@@ -87,7 +87,8 @@
PNEIGHBOR_CACHE_ENTRY NBFindOrCreateNeighbor(
PIP_INTERFACE Interface,
- PIP_ADDRESS Address);
+ PIP_ADDRESS Address,
+ BOOLEAN NoTimeout);
BOOLEAN NBQueuePacket(
PNEIGHBOR_CACHE_ENTRY NCE,
Modified: branches/wlan-bringup/drivers/network/tcpip/tcpip/dispatch.c
URL:
http://svn.reactos.org/svn/reactos/branches/wlan-bringup/drivers/network/tc…
==============================================================================
--- branches/wlan-bringup/drivers/network/tcpip/tcpip/dispatch.c [iso-8859-1] (original)
+++ branches/wlan-bringup/drivers/network/tcpip/tcpip/dispatch.c [iso-8859-1] Fri Jan 13
18:32:30 2012
@@ -1596,7 +1596,7 @@
IF->Netmask.Type = IP_ADDRESS_V4;
IF->Netmask.Address.IPv4Address = 0;
- IF->StaticNetmask = IF->StaticNetmask;
+ IF->StaticNetmask = IF->Netmask;
IF->Broadcast.Type = IP_ADDRESS_V4;
IF->Broadcast.Address.IPv4Address = 0;
Modified: branches/wlan-bringup/lib/drivers/ip/network/neighbor.c
URL:
http://svn.reactos.org/svn/reactos/branches/wlan-bringup/lib/drivers/ip/net…
==============================================================================
--- branches/wlan-bringup/lib/drivers/ip/network/neighbor.c [iso-8859-1] (original)
+++ branches/wlan-bringup/lib/drivers/ip/network/neighbor.c [iso-8859-1] Fri Jan 13
18:32:30 2012
@@ -106,17 +106,27 @@
for (PrevNCE = &NeighborCache[i].Cache;
(NCE = *PrevNCE) != NULL;) {
+ if (NCE->State & NUD_INCOMPLETE)
+ {
+ /* Solicit for an address */
+ NBSendSolicit(NCE);
+ if (NCE->EventTimer == 0)
+ {
+ NCE->EventCount++;
+ if (NCE->EventCount == ARP_INCOMPLETE_TIMEOUT)
+ {
+ NBFlushPacketQueue(NCE, NDIS_STATUS_NETWORK_UNREACHABLE);
+ NCE->EventCount = 0;
+ }
+ }
+ }
+
/* Check if event timer is running */
if (NCE->EventTimer > 0) {
ASSERT(!(NCE->State & NUD_PERMANENT));
NCE->EventCount++;
- if (NCE->State & NUD_INCOMPLETE)
- {
- /* We desperately need an address in this state or
- * we timeout in 5 seconds */
- NBSendSolicit(NCE);
- }
- else if ((NCE->EventCount > ARP_RATE &&
+
+ if ((NCE->EventCount > ARP_RATE &&
NCE->EventCount % ARP_TIMEOUT_RETRANSMISSION == 0) ||
(NCE->EventCount == ARP_RATE))
{
@@ -129,7 +139,7 @@
if (NCE->EventTimer - NCE->EventCount == 0) {
/* Unlink and destroy the NCE */
*PrevNCE = NCE->Next;
-
+
/* Choose the proper failure status */
if (NCE->State & NUD_INCOMPLETE)
{
@@ -141,8 +151,9 @@
/* This guy was stale for way too long */
Status = NDIS_STATUS_REQUEST_ABORTED;
}
-
+
NBFlushPacketQueue(NCE, Status);
+
ExFreePoolWithTag(NCE, NCE_TAG);
continue;
@@ -367,7 +378,7 @@
if( !(NCE->State & NUD_INCOMPLETE) )
{
- NCE->EventTimer = ARP_COMPLETE_TIMEOUT;
+ if (NCE->EventTimer) NCE->EventTimer = ARP_COMPLETE_TIMEOUT;
NBSendPackets( NCE );
}
}
@@ -446,7 +457,8 @@
PNEIGHBOR_CACHE_ENTRY NBFindOrCreateNeighbor(
PIP_INTERFACE Interface,
- PIP_ADDRESS Address)
+ PIP_ADDRESS Address,
+ BOOLEAN NoTimeout)
/*
* FUNCTION: Tries to find a neighbor and if unsuccesful, creates a new NCE
* ARGUMENTS:
@@ -474,7 +486,7 @@
Interface->AddressLength, NUD_PERMANENT, 0);
} else {
NCE = NBAddNeighbor(Interface, Address, NULL,
- Interface->AddressLength, NUD_INCOMPLETE,
ARP_INCOMPLETE_TIMEOUT);
+ Interface->AddressLength, NUD_INCOMPLETE, NoTimeout ?
0 : ARP_INCOMPLETE_TIMEOUT);
if (!NCE) return NULL;
NBSendSolicit(NCE);
}
Modified: branches/wlan-bringup/lib/drivers/ip/network/router.c
URL:
http://svn.reactos.org/svn/reactos/branches/wlan-bringup/lib/drivers/ip/net…
==============================================================================
--- branches/wlan-bringup/lib/drivers/ip/network/router.c [iso-8859-1] (original)
+++ branches/wlan-bringup/lib/drivers/ip/network/router.c [iso-8859-1] Fri Jan 13 18:32:30
2012
@@ -327,7 +327,7 @@
Interface = FindOnLinkInterface(Destination);
if (Interface) {
/* The destination address is on-link. Check our neighbor cache */
- NCE = NBFindOrCreateNeighbor(Interface, Destination);
+ NCE = NBFindOrCreateNeighbor(Interface, Destination, FALSE);
} else {
/* Destination is not on any subnets we're on. Find a router to use */
NCE = RouterGetRoute(Destination);
@@ -454,8 +454,10 @@
NCE = Current->Router;
- if( AddrIsEqual(NetworkAddress, &Current->NetworkAddress) &&
- AddrIsEqual(Netmask, &Current->Netmask) ) {
+ if(AddrIsEqual(NetworkAddress, &Current->NetworkAddress) &&
+ AddrIsEqual(Netmask, &Current->Netmask) &&
+ NCE->Interface == Interface)
+ {
TI_DbgPrint(DEBUG_ROUTER,("Attempting to add duplicate route to
%s\n", A2S(NetworkAddress)));
TcpipReleaseSpinLock(&FIBLock, OldIrql);
return NULL;
@@ -467,7 +469,7 @@
TcpipReleaseSpinLock(&FIBLock, OldIrql);
/* The NCE references RouterAddress. The NCE is referenced for us */
- NCE = NBFindOrCreateNeighbor(Interface, RouterAddress);
+ NCE = NBFindOrCreateNeighbor(Interface, RouterAddress, TRUE);
if (!NCE) {
/* Not enough free resources */
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