commit 6c51ae73fc68de2a4f11f5a7ebb52a4e79687e7d
author Jason Wang <jasowang@redhat.com> Wed Jan 30 19:12:25 2013 +0800
committer Anthony Liguori <aliguori@us.ibm.com> Fri Feb 01 11:03:01 2013 -0600
tree ac8219d4c3d59f22a5e38dbbf4fb02abb018c631
parent 948ecf219c032e3483b35ba4e162e5eee17d8b77

net: introduce qemu_find_net_clients_except()

In multiqueue, all NetClientState that belongs to the same netdev or nic has the
same id. So this patches introduces an helper qemu_find_net_clients_except()
which finds all NetClientState with the same id. This will be used by multiqueue
networking.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

include/net/net.h

diff --git a/include/net/net.h b/include/net/net.h
index f0d1aa2..995df5c 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -68,6 +68,8 @@
 } NICState;
 
 NetClientState *qemu_find_netdev(const char *id);
+int qemu_find_net_clients_except(const char *id, NetClientState **ncs,
+                                 NetClientOptionsKind type, int max);
 NetClientState *qemu_new_net_client(NetClientInfo *info,
                                     NetClientState *peer,
                                     const char *model,

net/net.c

diff --git a/net/net.c b/net/net.c
index 47d56e3..16dd327 100644
--- a/net/net.c
+++ b/net/net.c
@@ -508,6 +508,27 @@
     return NULL;
 }
 
+int qemu_find_net_clients_except(const char *id, NetClientState **ncs,
+                                 NetClientOptionsKind type, int max)
+{
+    NetClientState *nc;
+    int ret = 0;
+
+    QTAILQ_FOREACH(nc, &net_clients, next) {
+        if (nc->info->type == type) {
+            continue;
+        }
+        if (!strcmp(nc->name, id)) {
+            if (ret < max) {
+                ncs[ret] = nc;
+            }
+            ret++;
+        }
+    }
+
+    return ret;
+}
+
 static int nic_get_free_idx(void)
 {
     int index;