From patchwork Wed Jan 30 11:12:25 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [V4,06/22] net: introduce qemu_find_net_clients_except() Date: Wed, 30 Jan 2013 01:12:25 -0000 From: Jason Wang X-Patchwork-Id: 216840 Message-Id: <1359544361-5089-7-git-send-email-jasowang@redhat.com> To: aliguori@us.ibm.com, mst@redhat.com, qemu-devel@nongnu.org, blauwirbel@gmail.com, shajnocz@redhat.com Cc: krkumar2@in.ibm.com, kvm@vger.kernel.org, mprivozn@redhat.com, Jason Wang , rusty@rustcorp.com.au, shiyer@redhat.com, jwhan@filewood.snu.ac.kr, gaowanlong@cn.fujitsu.com 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 --- include/net/net.h | 2 ++ net/net.c | 21 +++++++++++++++++++++ 2 files changed, 23 insertions(+), 0 deletions(-) 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 @@ typedef struct NICState { } 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, diff --git a/net/net.c b/net/net.c index 8999f8d..6457fc0 100644 --- a/net/net.c +++ b/net/net.c @@ -508,6 +508,27 @@ NetClientState *qemu_find_netdev(const char *id) 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;