[PATCH 3/6] util: define virNetDevRxFilter and basic utility functions

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This same structure will be used to retrieve RX filter info for
interfaces on the host via netlink messages, and RX filter info for
interfaces on the guest via the qemu "query-rx-filter" command.
---
 src/libvirt_private.syms |  8 +++++++
 src/util/virnetdev.c     | 40 +++++++++++++++++++++++++++++++++
 src/util/virnetdev.h     | 57 +++++++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 104 insertions(+), 1 deletion(-)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index bb2b9a3..e5723d2 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1595,6 +1595,14 @@ virNetDevReplaceMacAddress;
 virNetDevReplaceNetConfig;
 virNetDevRestoreMacAddress;
 virNetDevRestoreNetConfig;
+virNetDevRxFilterFree;
+virNetDevRxFilterMulticastModeTypeFromString;
+virNetDevRxFilterMulticastModeTypeToString;
+virNetDevRxFilterNew;
+virNetDevRxFilterUnicastModeTypeFromString;
+virNetDevRxFilterUnicastModeTypeToString;
+virNetDevRxFilterVlanModeTypeFromString;
+virNetDevRxFilterVlanModeTypeToString;
 virNetDevSetIPv4Address;
 virNetDevSetMAC;
 virNetDevSetMTU;
diff --git a/src/util/virnetdev.c b/src/util/virnetdev.c
index 8815e18..dd1f530 100644
--- a/src/util/virnetdev.c
+++ b/src/util/virnetdev.c
@@ -1932,3 +1932,43 @@ virNetDevGetLinkInfo(const char *ifname,
     return 0;
 }
 #endif /* defined(__linux__) */
+
+
+VIR_ENUM_IMPL(virNetDevRxFilterUnicastMode,
+              VIR_NETDEV_RX_FILTER_UNICAST_MODE_LAST,
+              "none",
+              "normal");
+
+VIR_ENUM_IMPL(virNetDevRxFilterMulticastMode,
+              VIR_NETDEV_RX_FILTER_MULTICAST_MODE_LAST,
+              "none",
+              "normal");
+
+VIR_ENUM_IMPL(virNetDevRxFilterVlanMode,
+              VIR_NETDEV_RX_FILTER_VLAN_MODE_LAST,
+              "none",
+              "normal");
+
+
+virNetDevRxFilterPtr
+virNetDevRxFilterNew(void)
+{
+    virNetDevRxFilterPtr filter;
+
+    if (VIR_ALLOC(filter) < 0)
+        return NULL;
+    return filter;
+}
+
+
+void
+virNetDevRxFilterFree(virNetDevRxFilterPtr filter)
+{
+    if (filter) {
+        VIR_FREE(filter->name);
+        VIR_FREE(filter->unicast.table);
+        VIR_FREE(filter->multicast.table);
+        VIR_FREE(filter->vlan.table);
+        VIR_FREE(filter);
+    }
+}
diff --git a/src/util/virnetdev.h b/src/util/virnetdev.h
index 69e365e..307871c 100644
--- a/src/util/virnetdev.h
+++ b/src/util/virnetdev.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2013 Red Hat, Inc.
+ * Copyright (C) 2007-2014 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -37,6 +37,57 @@ typedef struct ifreq virIfreq;
 typedef void virIfreq;
 # endif
 
+typedef enum {
+   VIR_NETDEV_RX_FILTER_UNICAST_MODE_NONE = 0,
+   VIR_NETDEV_RX_FILTER_UNICAST_MODE_NORMAL,
+
+   VIR_NETDEV_RX_FILTER_UNICAST_MODE_LAST
+} virNetDevRxFilterUnicastMode;
+VIR_ENUM_DECL(virNetDevRxFilterUnicastMode)
+
+typedef enum {
+   VIR_NETDEV_RX_FILTER_MULTICAST_MODE_NONE = 0,
+   VIR_NETDEV_RX_FILTER_MULTICAST_MODE_NORMAL,
+
+   VIR_NETDEV_RX_FILTER_MULTICAST_MODE_LAST
+} virNetDevRxFilterMulticastMode;
+VIR_ENUM_DECL(virNetDevRxFilterMulticastMode)
+
+typedef enum {
+   VIR_NETDEV_RX_FILTER_VLAN_MODE_NONE = 0,
+   VIR_NETDEV_RX_FILTER_VLAN_MODE_NORMAL,
+
+   VIR_NETDEV_RX_FILTER_VLAN_MODE_LAST
+} virNetDevRxFilterVlanMode;
+VIR_ENUM_DECL(virNetDevRxFilterVlanMode)
+
+typedef struct _virNetDevRxFilter virNetDevRxFilter;
+typedef virNetDevRxFilter *virNetDevRxFilterPtr;
+struct _virNetDevRxFilter {
+    char *name; /* the alias used by qemu, *not* name used by guest */
+    virMacAddr mac;
+    bool promiscuous;
+    bool broadcastAllowed;
+
+    struct {
+        int mode; /* enum virNetDevRxFilterUnicastMode */
+        bool overflow;
+        virMacAddrPtr table;
+        size_t nTable;
+    } unicast;
+    struct {
+        int mode; /* enum virNetDevRxFilterMulticastMode */
+        bool overflow;
+        virMacAddrPtr table;
+        size_t nTable;
+    } multicast;
+    struct {
+        int mode; /* enum virNetDevRxFilterVlanMode */
+        unsigned int *table;
+        size_t nTable;
+    } vlan;
+};
+
 int virNetDevSetupControl(const char *ifname,
                           virIfreq *ifr)
     ATTRIBUTE_RETURN_CHECK;
@@ -150,4 +201,8 @@ int virNetDevGetLinkInfo(const char *ifname,
                          virInterfaceLinkPtr lnk)
     ATTRIBUTE_NONNULL(1);
 
+virNetDevRxFilterPtr virNetDevRxFilterNew(void)
+   ATTRIBUTE_RETURN_CHECK;
+void virNetDevRxFilterFree(virNetDevRxFilterPtr filter);
+
 #endif /* __VIR_NETDEV_H__ */
-- 
1.9.3

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