diff --git a/src/add-ons/kernel/network/stack/datalink.cpp b/src/add-ons/kernel/network/stack/datalink.cpp
index c5b193460a..8e7c2b2b3e 100644
--- a/src/add-ons/kernel/network/stack/datalink.cpp
+++ b/src/add-ons/kernel/network/stack/datalink.cpp
@@ -111,6 +111,10 @@ option_to_string(int32 option)
 		CODE(SIOCSIFGENERIC)	/* generic IF set op */
 		CODE(SIOCGIFGENERIC)	/* generic IF get op */
 
+		CODE(SIOC_IF_ALIAS_SET)	/* set interface alias, ifaliasreq */
+		CODE(SIOC_IF_ALIAS_GET)	/* get interface alias, ifaliasreq */
+		CODE(SIOC_IF_ALIAS_COUNT) /* count interface aliases */
+
 		default:
 			static char buffer[24];
 			snprintf(buffer, sizeof(buffer), "%" B_PRId32, option);
diff --git a/src/bin/debug/strace/ioctl.cpp b/src/bin/debug/strace/ioctl.cpp
index e463c0af70..ae7b91825c 100644
--- a/src/bin/debug/strace/ioctl.cpp
+++ b/src/bin/debug/strace/ioctl.cpp
@@ -77,12 +77,12 @@ static const ioctl_info kIOCtls[] = {
 	IOCTL_INFO_ENTRY_TYPE(SIOCGIFFLAGS, struct ifreq *),
 	IOCTL_INFO_ENTRY_TYPE(SIOCGIFBRDADDR, struct ifreq *),
 	IOCTL_INFO_ENTRY_TYPE(SIOCSIFBRDADDR, struct ifreq *),
-	IOCTL_INFO_ENTRY(SIOCGIFCOUNT),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFCOUNT, struct ifconf *),
 	IOCTL_INFO_ENTRY_TYPE(SIOCGIFCONF, struct ifconf *),
 	IOCTL_INFO_ENTRY_TYPE(SIOCGIFINDEX, struct ifreq *),
 	IOCTL_INFO_ENTRY(SIOCGIFNAME),
-	IOCTL_INFO_ENTRY(SIOCGIFNETMASK),
-	IOCTL_INFO_ENTRY(SIOCSIFNETMASK),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFNETMASK, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCSIFNETMASK, struct ifreq *),
 	IOCTL_INFO_ENTRY_TYPE(SIOCGIFMETRIC, struct ifreq *),
 	IOCTL_INFO_ENTRY_TYPE(SIOCSIFMETRIC, struct ifreq *),
 	IOCTL_INFO_ENTRY_TYPE(SIOCDIFADDR, struct ifreq *),
@@ -96,7 +96,7 @@ static const ioctl_info kIOCtls[] = {
 	IOCTL_INFO_ENTRY(SIOCGRTSIZE),
 	IOCTL_INFO_ENTRY(SIOCGRTTABLE),
 	IOCTL_INFO_ENTRY_TYPE(SIOCGIFSTATS, struct ifreq *),
-	IOCTL_INFO_ENTRY(SIOCGIFTYPE),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFTYPE, struct ifreq *),
 	IOCTL_INFO_ENTRY(SIOCSPACKETCAP),
 	IOCTL_INFO_ENTRY(SIOCCPACKETCAP),
 	IOCTL_INFO_ENTRY(SIOCSHIWAT),
@@ -106,6 +106,10 @@ static const ioctl_info kIOCtls[] = {
 	IOCTL_INFO_ENTRY(SIOCATMARK),
 	IOCTL_INFO_ENTRY(SIOCSPGRP),
 
+	IOCTL_INFO_ENTRY_TYPE(SIOC_IF_ALIAS_SET, struct ifaliasreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOC_IF_ALIAS_GET, struct ifaliasreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOC_IF_ALIAS_COUNT, struct ifaliasreq *),
+
 	// termios ioctls
 	IOCTL_INFO_ENTRY(TCGETA),
 	IOCTL_INFO_ENTRY(TCSETA),