Changeset 20383 in vbox for trunk/src

Timestamp:

Jun 8, 2009 8:40:30 AM (16 years ago)

Author:

vboxsync

Message:

NAT: Introduced parameters in extra data for tuning NAT buffers

Host's stack paramenters

SocketRcvBuf - SO_RCVBUF
SocketSndBuf - SO_SNDBUF

Slirp's stack parameters

TcpRcvSpace - tuning receiving buffer
TcpSndSpace - tuning send buffer

File:

• trunk/src/VBox/Devices/Network/DrvNAT.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Network/DrvNAT.cpp

@@ -719 +719 @@
      */
 #ifndef VBOX_WITH_SLIRP_DNS_PROXY
-    if (!CFGMR3AreValuesValid(pCfgHandle, "PassDomain\0TFTPPrefix\0BootFile\0Network\0NextServer\0"))
+    if (!CFGMR3AreValuesValid(pCfgHandle, "PassDomain\0TFTPPrefix\0BootFile\0Network\0NextServer\0"
 #else
-    if (!CFGMR3AreValuesValid(pCfgHandle, "PassDomain\0TFTPPrefix\0BootFile\0Network\0NextServer\0DNSProxy\0"))
-#endif
+    if (!CFGMR3AreValuesValid(pCfgHandle, "PassDomain\0TFTPPrefix\0BootFile\0Network\0NextServer\0DNSProxy\0"
+#endif
+        "SocketRcvBuf\0SocketSndBuf\0TcpRcvSpace\0TcpSndSpace"))
         return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES, N_("Unknown NAT configuration option, only supports PassDomain, TFTPPrefix, BootFile and Network"));
 
@@ -806 +807 @@
         slirp_set_dhcp_dns_proxy(pThis->pNATState, !!fDNSProxy);
 #endif
-
+#define SLIRP_SET_TUNING_VALUE(name, setter)            \
+    do                                                  \
+    {                                                   \
+        int len = 0;                                    \
+        rc = CFGMR3QueryS32(pCfgHandle, name, &len);    \
+        if (RT_SUCCESS(rc))                             \
+            setter(pThis->pNATState, len);              \
+    }while(0)
+        SLIRP_SET_TUNING_VALUE("SocketRcvBuf", slirp_set_rcvbuf); 
+        SLIRP_SET_TUNING_VALUE("SocketSndBuf", slirp_set_sndbuf); 
+        SLIRP_SET_TUNING_VALUE("TcpRcvSpace", slirp_set_tcp_rcvspace); 
+        SLIRP_SET_TUNING_VALUE("TcpSndSpace", slirp_set_tcp_sndspace); 
+    
         slirp_register_timers(pThis->pNATState, pDrvIns);
         int rc2 = drvNATConstructRedir(pDrvIns->iInstance, pThis, pCfgHandle, Network);