Merge "sflow" into "master".

[sliver-openvswitch.git] / datapath / datapath.c

diff --git a/datapath/datapath.c b/datapath/datapath.c
index 1279895..ba363fb 100644 (file)
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2008, 2009 Nicira Networks.
+ * Copyright (c) 2007, 2008, 2009, 2010 Nicira Networks.
  * Distributed under the terms of the GNU GPL version 2.
  *
  * Significant portions of this file may be copied from parts of the Linux
@@ -349,6 +349,7 @@ static int new_nbp(struct datapath *dp, struct net_device *dev, int port_no)
        p->port_no = port_no;
        p->dp = dp;
        p->dev = dev;
+       atomic_set(&p->sflow_pool, 0);
        if (!is_dp_dev(dev))
                rcu_assign_pointer(dev->br_port, p);
        else {
@@ -713,8 +714,7 @@ dp_output_control(struct datapath *dp, struct sk_buff *skb, int queue_no,
        int err;
 
        WARN_ON_ONCE(skb_shared(skb));
-       BUG_ON(queue_no != _ODPL_MISS_NR && queue_no != _ODPL_ACTION_NR);
-
+       BUG_ON(queue_no != _ODPL_MISS_NR && queue_no != _ODPL_ACTION_NR && queue_no != _ODPL_SFLOW_NR);
        queue = &dp->queues[queue_no];
        err = -ENOBUFS;
        if (skb_queue_len(queue) >= DP_MAX_QUEUE_LEN)
@@ -1391,6 +1391,7 @@ static long openvswitch_ioctl(struct file *f, unsigned int cmd,
        int dp_idx = iminor(f->f_dentry->d_inode);
        struct datapath *dp;
        int drop_frags, listeners, port_no;
+       unsigned int sflow_probability;
        int err;
 
        /* Handle commands with special locking requirements up front. */
@@ -1454,6 +1455,16 @@ static long openvswitch_ioctl(struct file *f, unsigned int cmd,
                set_listen_mask(f, listeners);
                break;
 
+       case ODP_GET_SFLOW_PROBABILITY:
+               err = put_user(dp->sflow_probability, (unsigned int __user *)argp);
+               break;
+
+       case ODP_SET_SFLOW_PROBABILITY:
+               err = get_user(sflow_probability, (unsigned int __user *)argp);
+               if (!err)
+                       dp->sflow_probability = sflow_probability;
+               break;
+
        case ODP_PORT_QUERY:
                err = query_port(dp, (struct odp_port __user *)argp);
                break;