From: Jesse Gross <je...@nicira.com>

OVS has quite a few global symbols that should be scoped with a
prefix to prevent collisions with other modules in the kernel.

Suggested-by: Stephen Hemminger <shemmin...@vyatta.com>
Signed-off-by: Justin Pettit <jpet...@nicira.com>
---
 net/openvswitch/actions.c            |    6 +-
 net/openvswitch/datapath.c           |  182 +++++++++++++++++-----------------
 net/openvswitch/datapath.h           |   16 ++--
 net/openvswitch/dp_notify.c          |   17 ++--
 net/openvswitch/flow.c               |   66 ++++++------
 net/openvswitch/flow.h               |   54 +++++-----
 net/openvswitch/vport-internal_dev.c |   28 +++---
 net/openvswitch/vport-internal_dev.h |    4 +-
 net/openvswitch/vport-netdev.c       |   32 +++---
 net/openvswitch/vport-netdev.h       |    8 +-
 net/openvswitch/vport.c              |   58 ++++++------
 net/openvswitch/vport.h              |   36 ++++----
 12 files changed, 254 insertions(+), 253 deletions(-)

diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index e824dca..2725d1b 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -252,7 +252,7 @@ static int do_output(struct datapath *dp, struct sk_buff 
*skb, int out_port)
                return -ENODEV;
        }
 
-       vport_send(vport, skb);
+       ovs_vport_send(vport, skb);
        return 0;
 }
 
@@ -281,7 +281,7 @@ static int output_userspace(struct datapath *dp, struct 
sk_buff *skb,
                }
        }
 
-       return dp_upcall(dp, skb, &upcall);
+       return ovs_dp_upcall(dp, skb, &upcall);
 }
 
 static int sample(struct datapath *dp, struct sk_buff *skb,
@@ -406,7 +406,7 @@ static int do_execute_actions(struct datapath *dp, struct 
sk_buff *skb,
 }
 
 /* Execute a list of actions against 'skb'. */
-int execute_actions(struct datapath *dp, struct sk_buff *skb)
+int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb)
 {
        struct sw_flow_actions *acts = 
rcu_dereference(OVS_CB(skb)->flow->sf_acts);
 
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 62635e5..002e0a1 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -92,7 +92,7 @@ static struct datapath *get_dp(int dp_ifindex)
        rcu_read_lock();
        dev = dev_get_by_index_rcu(&init_net, dp_ifindex);
        if (dev) {
-               struct vport *vport = internal_dev_get_vport(dev);
+               struct vport *vport = ovs_internal_dev_get_vport(dev);
                if (vport)
                        dp = vport->dp;
        }
@@ -102,7 +102,7 @@ static struct datapath *get_dp(int dp_ifindex)
 }
 
 /* Must be called with rcu_read_lock or RTNL lock. */
-const char *dp_name(const struct datapath *dp)
+const char *ovs_dp_name(const struct datapath *dp)
 {
        struct vport *vport = rcu_dereference_rtnl(dp->ports[OVSP_LOCAL]);
        return vport->ops->get_name(vport);
@@ -130,7 +130,7 @@ static void destroy_dp_rcu(struct rcu_head *rcu)
 {
        struct datapath *dp = container_of(rcu, struct datapath, rcu);
 
-       flow_tbl_destroy((__force struct flow_table *)dp->table);
+       ovs_flow_tbl_destroy((__force struct flow_table *)dp->table);
        free_percpu(dp->stats_percpu);
        kfree(dp);
 }
@@ -140,7 +140,7 @@ static struct vport *new_vport(const struct vport_parms 
*parms)
 {
        struct vport *vport;
 
-       vport = vport_add(parms);
+       vport = ovs_vport_add(parms);
        if (!IS_ERR(vport)) {
                struct datapath *dp = parms->dp;
 
@@ -152,7 +152,7 @@ static struct vport *new_vport(const struct vport_parms 
*parms)
 }
 
 /* Called with RTNL lock. */
-void dp_detach_port(struct vport *p)
+void ovs_dp_detach_port(struct vport *p)
 {
        ASSERT_RTNL();
 
@@ -161,11 +161,11 @@ void dp_detach_port(struct vport *p)
        rcu_assign_pointer(p->dp->ports[p->port_no], NULL);
 
        /* Then destroy it. */
-       vport_del(p);
+       ovs_vport_del(p);
 }
 
 /* Must be called with rcu_read_lock. */
-void dp_process_received_packet(struct vport *p, struct sk_buff *skb)
+void ovs_dp_process_received_packet(struct vport *p, struct sk_buff *skb)
 {
        struct datapath *dp = p->dp;
        struct sw_flow *flow;
@@ -178,14 +178,14 @@ void dp_process_received_packet(struct vport *p, struct 
sk_buff *skb)
        stats = per_cpu_ptr(dp->stats_percpu, smp_processor_id());
 
        /* Extract flow from 'skb' into 'key'. */
-       error = flow_extract(skb, p->port_no, &key, &key_len);
+       error = ovs_flow_extract(skb, p->port_no, &key, &key_len);
        if (unlikely(error)) {
                kfree_skb(skb);
                return;
        }
 
        /* Look up flow. */
-       flow = flow_tbl_lookup(rcu_dereference(dp->table), &key, key_len);
+       flow = ovs_flow_tbl_lookup(rcu_dereference(dp->table), &key, key_len);
        if (unlikely(!flow)) {
                struct dp_upcall_info upcall;
 
@@ -193,7 +193,7 @@ void dp_process_received_packet(struct vport *p, struct 
sk_buff *skb)
                upcall.key = &key;
                upcall.userdata = NULL;
                upcall.pid = p->upcall_pid;
-               dp_upcall(dp, skb, &upcall);
+               ovs_dp_upcall(dp, skb, &upcall);
                consume_skb(skb);
                stats_counter = &stats->n_missed;
                goto out;
@@ -202,8 +202,8 @@ void dp_process_received_packet(struct vport *p, struct 
sk_buff *skb)
        OVS_CB(skb)->flow = flow;
 
        stats_counter = &stats->n_hit;
-       flow_used(OVS_CB(skb)->flow, skb);
-       execute_actions(dp, skb);
+       ovs_flow_used(OVS_CB(skb)->flow, skb);
+       ovs_execute_actions(dp, skb);
 
 out:
        /* Update datapath statistics. */
@@ -220,7 +220,7 @@ static struct genl_family dp_packet_genl_family = {
        .maxattr = OVS_PACKET_ATTR_MAX
 };
 
-int dp_upcall(struct datapath *dp, struct sk_buff *skb,
+int ovs_dp_upcall(struct datapath *dp, struct sk_buff *skb,
              const struct dp_upcall_info *upcall_info)
 {
        struct dp_stats_percpu *stats;
@@ -277,7 +277,7 @@ static int queue_gso_packets(int dp_ifindex, struct sk_buff 
*skb,
                        break;
 
                if (skb == segs && skb_shinfo(skb)->gso_type & SKB_GSO_UDP) {
-                       /* The initial flow key extracted by flow_extract() in
+                       /* The initial flow key extracted by ovs_flow_extract() 
in
                         * this case is for a first fragment, so we need to
                         * properly mark later fragments.
                         */
@@ -347,7 +347,7 @@ static int queue_userspace_packet(int dp_ifindex, struct 
sk_buff *skb,
        upcall->dp_ifindex = dp_ifindex;
 
        nla = nla_nest_start(user_skb, OVS_PACKET_ATTR_KEY);
-       flow_to_nlattrs(upcall_info->key, user_skb);
+       ovs_flow_to_nlattrs(upcall_info->key, user_skb);
        nla_nest_end(user_skb, nla);
 
        if (upcall_info->userdata)
@@ -377,13 +377,13 @@ static int flush_flows(int dp_ifindex)
                return -ENODEV;
 
        old_table = genl_dereference(dp->table);
-       new_table = flow_tbl_alloc(TBL_MIN_BUCKETS);
+       new_table = ovs_flow_tbl_alloc(TBL_MIN_BUCKETS);
        if (!new_table)
                return -ENOMEM;
 
        rcu_assign_pointer(dp->table, new_table);
 
-       flow_tbl_deferred_destroy(old_table);
+       ovs_flow_tbl_deferred_destroy(old_table);
        return 0;
 }
 
@@ -625,18 +625,18 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, 
struct genl_info *info)
                packet->protocol = htons(ETH_P_802_2);
 
        /* Build an sw_flow for sending this packet. */
-       flow = flow_alloc();
+       flow = ovs_flow_alloc();
        err = PTR_ERR(flow);
        if (IS_ERR(flow))
                goto err_kfree_skb;
 
-       err = flow_extract(packet, -1, &flow->key, &key_len);
+       err = ovs_flow_extract(packet, -1, &flow->key, &key_len);
        if (err)
                goto err_flow_free;
 
-       err = flow_metadata_from_nlattrs(&flow->key.phy.priority,
-                                        &flow->key.phy.in_port,
-                                        a[OVS_PACKET_ATTR_KEY]);
+       err = ovs_flow_metadata_from_nlattrs(&flow->key.phy.priority,
+                                            &flow->key.phy.in_port,
+                                            a[OVS_PACKET_ATTR_KEY]);
        if (err)
                goto err_flow_free;
 
@@ -644,9 +644,9 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, 
struct genl_info *info)
        if (err)
                goto err_flow_free;
 
-       flow->hash = flow_hash(&flow->key, key_len);
+       flow->hash = ovs_flow_hash(&flow->key, key_len);
 
-       acts = flow_actions_alloc(a[OVS_PACKET_ATTR_ACTIONS]);
+       acts = ovs_flow_actions_alloc(a[OVS_PACKET_ATTR_ACTIONS]);
        err = PTR_ERR(acts);
        if (IS_ERR(acts))
                goto err_flow_free;
@@ -662,17 +662,17 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, 
struct genl_info *info)
                goto err_unlock;
 
        local_bh_disable();
-       err = execute_actions(dp, packet);
+       err = ovs_execute_actions(dp, packet);
        local_bh_enable();
        rcu_read_unlock();
 
-       flow_free(flow);
+       ovs_flow_free(flow);
        return err;
 
 err_unlock:
        rcu_read_unlock();
 err_flow_free:
-       flow_free(flow);
+       ovs_flow_free(flow);
 err_kfree_skb:
        kfree_skb(packet);
 err:
@@ -698,7 +698,7 @@ static void get_dp_stats(struct datapath *dp, struct 
ovs_dp_stats *stats)
        int i;
        struct flow_table *table = genl_dereference(dp->table);
 
-       stats->n_flows = flow_tbl_count(table);
+       stats->n_flows = ovs_flow_tbl_count(table);
 
        stats->n_hit = stats->n_missed = stats->n_lost = 0;
        for_each_possible_cpu(i) {
@@ -733,7 +733,7 @@ static struct genl_family dp_flow_genl_family = {
        .maxattr = OVS_FLOW_ATTR_MAX
 };
 
-static struct genl_multicast_group dp_flow_multicast_group = {
+static struct genl_multicast_group ovs_dp_flow_multicast_group = {
        .name = OVS_FLOW_MCGROUP
 };
 
@@ -763,7 +763,7 @@ static int ovs_flow_cmd_fill_info(struct sw_flow *flow, 
struct datapath *dp,
        nla = nla_nest_start(skb, OVS_FLOW_ATTR_KEY);
        if (!nla)
                goto nla_put_failure;
-       err = flow_to_nlattrs(&flow->key, skb);
+       err = ovs_flow_to_nlattrs(&flow->key, skb);
        if (err)
                goto error;
        nla_nest_end(skb, nla);
@@ -776,7 +776,7 @@ static int ovs_flow_cmd_fill_info(struct sw_flow *flow, 
struct datapath *dp,
        spin_unlock_bh(&flow->lock);
 
        if (used)
-               NLA_PUT_U64(skb, OVS_FLOW_ATTR_USED, flow_used_time(used));
+               NLA_PUT_U64(skb, OVS_FLOW_ATTR_USED, ovs_flow_used_time(used));
 
        if (stats.n_packets)
                NLA_PUT(skb, OVS_FLOW_ATTR_STATS,
@@ -865,7 +865,7 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, 
struct genl_info *info)
        error = -EINVAL;
        if (!a[OVS_FLOW_ATTR_KEY])
                goto error;
-       error = flow_from_nlattrs(&key, &key_len, a[OVS_FLOW_ATTR_KEY]);
+       error = ovs_flow_from_nlattrs(&key, &key_len, a[OVS_FLOW_ATTR_KEY]);
        if (error)
                goto error;
 
@@ -885,7 +885,7 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, 
struct genl_info *info)
                goto error;
 
        table = genl_dereference(dp->table);
-       flow = flow_tbl_lookup(table, &key, key_len);
+       flow = ovs_flow_tbl_lookup(table, &key, key_len);
        if (!flow) {
                struct sw_flow_actions *acts;
 
@@ -895,19 +895,19 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, 
struct genl_info *info)
                        goto error;
 
                /* Expand table, if necessary, to make room. */
-               if (flow_tbl_need_to_expand(table)) {
+               if (ovs_flow_tbl_need_to_expand(table)) {
                        struct flow_table *new_table;
 
-                       new_table = flow_tbl_expand(table);
+                       new_table = ovs_flow_tbl_expand(table);
                        if (!IS_ERR(new_table)) {
                                rcu_assign_pointer(dp->table, new_table);
-                               flow_tbl_deferred_destroy(table);
+                               ovs_flow_tbl_deferred_destroy(table);
                                table = genl_dereference(dp->table);
                        }
                }
 
                /* Allocate flow. */
-               flow = flow_alloc();
+               flow = ovs_flow_alloc();
                if (IS_ERR(flow)) {
                        error = PTR_ERR(flow);
                        goto error;
@@ -916,15 +916,15 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, 
struct genl_info *info)
                clear_stats(flow);
 
                /* Obtain actions. */
-               acts = flow_actions_alloc(a[OVS_FLOW_ATTR_ACTIONS]);
+               acts = ovs_flow_actions_alloc(a[OVS_FLOW_ATTR_ACTIONS]);
                error = PTR_ERR(acts);
                if (IS_ERR(acts))
                        goto error_free_flow;
                rcu_assign_pointer(flow->sf_acts, acts);
 
                /* Put flow in bucket. */
-               flow->hash = flow_hash(&key, key_len);
-               flow_tbl_insert(table, flow);
+               flow->hash = ovs_flow_hash(&key, key_len);
+               ovs_flow_tbl_insert(table, flow);
 
                reply = ovs_flow_cmd_build_info(flow, dp, info->snd_pid,
                                                info->snd_seq,
@@ -955,13 +955,13 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, 
struct genl_info *info)
                          old_acts->actions_len))) {
                        struct sw_flow_actions *new_acts;
 
-                       new_acts = flow_actions_alloc(acts_attrs);
+                       new_acts = ovs_flow_actions_alloc(acts_attrs);
                        error = PTR_ERR(new_acts);
                        if (IS_ERR(new_acts))
                                goto error;
 
                        rcu_assign_pointer(flow->sf_acts, new_acts);
-                       flow_deferred_free_acts(old_acts);
+                       ovs_flow_deferred_free_acts(old_acts);
                }
 
                reply = ovs_flow_cmd_build_info(flow, dp, info->snd_pid,
@@ -977,14 +977,15 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, 
struct genl_info *info)
 
        if (!IS_ERR(reply))
                genl_notify(reply, genl_info_net(info), info->snd_pid,
-                          dp_flow_multicast_group.id, info->nlhdr, GFP_KERNEL);
+                          ovs_dp_flow_multicast_group.id, info->nlhdr,
+                          GFP_KERNEL);
        else
                netlink_set_err(init_net.genl_sock, 0,
-                               dp_flow_multicast_group.id, PTR_ERR(reply));
+                               ovs_dp_flow_multicast_group.id, PTR_ERR(reply));
        return 0;
 
 error_free_flow:
-       flow_free(flow);
+       ovs_flow_free(flow);
 error:
        return error;
 }
@@ -1003,7 +1004,7 @@ static int ovs_flow_cmd_get(struct sk_buff *skb, struct 
genl_info *info)
 
        if (!a[OVS_FLOW_ATTR_KEY])
                return -EINVAL;
-       err = flow_from_nlattrs(&key, &key_len, a[OVS_FLOW_ATTR_KEY]);
+       err = ovs_flow_from_nlattrs(&key, &key_len, a[OVS_FLOW_ATTR_KEY]);
        if (err)
                return err;
 
@@ -1012,7 +1013,7 @@ static int ovs_flow_cmd_get(struct sk_buff *skb, struct 
genl_info *info)
                return -ENODEV;
 
        table = genl_dereference(dp->table);
-       flow = flow_tbl_lookup(table, &key, key_len);
+       flow = ovs_flow_tbl_lookup(table, &key, key_len);
        if (!flow)
                return -ENOENT;
 
@@ -1038,7 +1039,7 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct 
genl_info *info)
 
        if (!a[OVS_FLOW_ATTR_KEY])
                return flush_flows(ovs_header->dp_ifindex);
-       err = flow_from_nlattrs(&key, &key_len, a[OVS_FLOW_ATTR_KEY]);
+       err = ovs_flow_from_nlattrs(&key, &key_len, a[OVS_FLOW_ATTR_KEY]);
        if (err)
                return err;
 
@@ -1047,7 +1048,7 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct 
genl_info *info)
                return -ENODEV;
 
        table = genl_dereference(dp->table);
-       flow = flow_tbl_lookup(table, &key, key_len);
+       flow = ovs_flow_tbl_lookup(table, &key, key_len);
        if (!flow)
                return -ENOENT;
 
@@ -1055,16 +1056,16 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct 
genl_info *info)
        if (!reply)
                return -ENOMEM;
 
-       flow_tbl_remove(table, flow);
+       ovs_flow_tbl_remove(table, flow);
 
        err = ovs_flow_cmd_fill_info(flow, dp, reply, info->snd_pid,
                                     info->snd_seq, 0, OVS_FLOW_CMD_DEL);
        BUG_ON(err < 0);
 
-       flow_deferred_free(flow);
+       ovs_flow_deferred_free(flow);
 
        genl_notify(reply, genl_info_net(info), info->snd_pid,
-                   dp_flow_multicast_group.id, info->nlhdr, GFP_KERNEL);
+                   ovs_dp_flow_multicast_group.id, info->nlhdr, GFP_KERNEL);
        return 0;
 }
 
@@ -1086,7 +1087,7 @@ static int ovs_flow_cmd_dump(struct sk_buff *skb, struct 
netlink_callback *cb)
 
                bucket = cb->args[0];
                obj = cb->args[1];
-               flow = flow_tbl_next(table, &bucket, &obj);
+               flow = ovs_flow_tbl_next(table, &bucket, &obj);
                if (!flow)
                        break;
 
@@ -1139,7 +1140,7 @@ static struct genl_family dp_datapath_genl_family = {
        .maxattr = OVS_DP_ATTR_MAX
 };
 
-static struct genl_multicast_group dp_datapath_multicast_group = {
+static struct genl_multicast_group ovs_dp_datapath_multicast_group = {
        .name = OVS_DATAPATH_MCGROUP
 };
 
@@ -1158,7 +1159,7 @@ static int ovs_dp_cmd_fill_info(struct datapath *dp, 
struct sk_buff *skb,
        ovs_header->dp_ifindex = get_dpifindex(dp);
 
        rcu_read_lock();
-       err = nla_put_string(skb, OVS_DP_ATTR_NAME, dp_name(dp));
+       err = nla_put_string(skb, OVS_DP_ATTR_NAME, ovs_dp_name(dp));
        rcu_read_unlock();
        if (err)
                goto nla_put_failure;
@@ -1204,7 +1205,7 @@ static struct datapath *lookup_datapath(struct ovs_header 
*ovs_header,
                struct vport *vport;
 
                rcu_read_lock();
-               vport = vport_locate(nla_data(a[OVS_DP_ATTR_NAME]));
+               vport = ovs_vport_locate(nla_data(a[OVS_DP_ATTR_NAME]));
                dp = vport && vport->port_no == OVSP_LOCAL ? vport->dp : NULL;
                rcu_read_unlock();
        }
@@ -1237,7 +1238,7 @@ static int ovs_dp_cmd_new(struct sk_buff *skb, struct 
genl_info *info)
 
        /* Allocate table. */
        err = -ENOMEM;
-       rcu_assign_pointer(dp->table, flow_tbl_alloc(TBL_MIN_BUCKETS));
+       rcu_assign_pointer(dp->table, ovs_flow_tbl_alloc(TBL_MIN_BUCKETS));
        if (!dp->table)
                goto err_free_dp;
 
@@ -1274,15 +1275,16 @@ static int ovs_dp_cmd_new(struct sk_buff *skb, struct 
genl_info *info)
        rtnl_unlock();
 
        genl_notify(reply, genl_info_net(info), info->snd_pid,
-                   dp_datapath_multicast_group.id, info->nlhdr, GFP_KERNEL);
+                   ovs_dp_datapath_multicast_group.id, info->nlhdr,
+                   GFP_KERNEL);
        return 0;
 
 err_destroy_local_port:
-       dp_detach_port(rtnl_dereference(dp->ports[OVSP_LOCAL]));
+       ovs_dp_detach_port(rtnl_dereference(dp->ports[OVSP_LOCAL]));
 err_destroy_percpu:
        free_percpu(dp->stats_percpu);
 err_destroy_table:
-       flow_tbl_destroy(genl_dereference(dp->table));
+       ovs_flow_tbl_destroy(genl_dereference(dp->table));
 err_free_dp:
        kfree(dp);
 err_put_module:
@@ -1314,10 +1316,10 @@ static int ovs_dp_cmd_del(struct sk_buff *skb, struct 
genl_info *info)
 
        list_for_each_entry_safe(vport, next_vport, &dp->port_list, node)
                if (vport->port_no != OVSP_LOCAL)
-                       dp_detach_port(vport);
+                       ovs_dp_detach_port(vport);
 
        list_del(&dp->list_node);
-       dp_detach_port(rtnl_dereference(dp->ports[OVSP_LOCAL]));
+       ovs_dp_detach_port(rtnl_dereference(dp->ports[OVSP_LOCAL]));
 
        /* rtnl_unlock() will wait until all the references to devices that
         * are pending unregistration have been dropped.  We do it here to
@@ -1330,7 +1332,8 @@ static int ovs_dp_cmd_del(struct sk_buff *skb, struct 
genl_info *info)
        module_put(THIS_MODULE);
 
        genl_notify(reply, genl_info_net(info), info->snd_pid,
-                   dp_datapath_multicast_group.id, info->nlhdr, GFP_KERNEL);
+                   ovs_dp_datapath_multicast_group.id, info->nlhdr,
+                   GFP_KERNEL);
 
        return 0;
 
@@ -1354,12 +1357,14 @@ static int ovs_dp_cmd_set(struct sk_buff *skb, struct 
genl_info *info)
        if (IS_ERR(reply)) {
                err = PTR_ERR(reply);
                netlink_set_err(init_net.genl_sock, 0,
-                               dp_datapath_multicast_group.id, err);
+                               ovs_dp_datapath_multicast_group.id, err);
                return 0;
        }
 
        genl_notify(reply, genl_info_net(info), info->snd_pid,
-                   dp_datapath_multicast_group.id, info->nlhdr, GFP_KERNEL);
+                   ovs_dp_datapath_multicast_group.id, info->nlhdr,
+                   GFP_KERNEL);
+
        return 0;
 }
 
@@ -1442,7 +1447,7 @@ static struct genl_family dp_vport_genl_family = {
        .maxattr = OVS_VPORT_ATTR_MAX
 };
 
-struct genl_multicast_group dp_vport_multicast_group = {
+struct genl_multicast_group ovs_dp_vport_multicast_group = {
        .name = OVS_VPORT_MCGROUP
 };
 
@@ -1466,11 +1471,11 @@ static int ovs_vport_cmd_fill_info(struct vport *vport, 
struct sk_buff *skb,
        NLA_PUT_STRING(skb, OVS_VPORT_ATTR_NAME, vport->ops->get_name(vport));
        NLA_PUT_U32(skb, OVS_VPORT_ATTR_UPCALL_PID, vport->upcall_pid);
 
-       vport_get_stats(vport, &vport_stats);
+       ovs_vport_get_stats(vport, &vport_stats);
        NLA_PUT(skb, OVS_VPORT_ATTR_STATS, sizeof(struct ovs_vport_stats),
                &vport_stats);
 
-       err = vport_get_options(vport, skb);
+       err = ovs_vport_get_options(vport, skb);
        if (err == -EMSGSIZE)
                goto error;
 
@@ -1510,7 +1515,7 @@ static struct vport *lookup_vport(struct ovs_header 
*ovs_header,
        struct vport *vport;
 
        if (a[OVS_VPORT_ATTR_NAME]) {
-               vport = vport_locate(nla_data(a[OVS_VPORT_ATTR_NAME]));
+               vport = ovs_vport_locate(nla_data(a[OVS_VPORT_ATTR_NAME]));
                if (!vport)
                        return ERR_PTR(-ENODEV);
                return vport;
@@ -1593,12 +1598,11 @@ static int ovs_vport_cmd_new(struct sk_buff *skb, 
struct genl_info *info)
                                         OVS_VPORT_CMD_NEW);
        if (IS_ERR(reply)) {
                err = PTR_ERR(reply);
-               dp_detach_port(vport);
+               ovs_dp_detach_port(vport);
                goto exit_unlock;
        }
        genl_notify(reply, genl_info_net(info), info->snd_pid,
-                   dp_vport_multicast_group.id, info->nlhdr, GFP_KERNEL);
-
+                   ovs_dp_vport_multicast_group.id, info->nlhdr, GFP_KERNEL);
 
 exit_unlock:
        rtnl_unlock();
@@ -1625,7 +1629,7 @@ static int ovs_vport_cmd_set(struct sk_buff *skb, struct 
genl_info *info)
                err = -EINVAL;
 
        if (!err && a[OVS_VPORT_ATTR_OPTIONS])
-               err = vport_set_options(vport, a[OVS_VPORT_ATTR_OPTIONS]);
+               err = ovs_vport_set_options(vport, a[OVS_VPORT_ATTR_OPTIONS]);
        if (!err && a[OVS_VPORT_ATTR_UPCALL_PID])
                vport->upcall_pid = nla_get_u32(a[OVS_VPORT_ATTR_UPCALL_PID]);
 
@@ -1634,12 +1638,12 @@ static int ovs_vport_cmd_set(struct sk_buff *skb, 
struct genl_info *info)
        if (IS_ERR(reply)) {
                err = PTR_ERR(reply);
                netlink_set_err(init_net.genl_sock, 0,
-                               dp_vport_multicast_group.id, err);
+                               ovs_dp_vport_multicast_group.id, err);
                return 0;
        }
 
        genl_notify(reply, genl_info_net(info), info->snd_pid,
-                   dp_vport_multicast_group.id, info->nlhdr, GFP_KERNEL);
+                   ovs_dp_vport_multicast_group.id, info->nlhdr, GFP_KERNEL);
 
 exit_unlock:
        rtnl_unlock();
@@ -1670,10 +1674,10 @@ static int ovs_vport_cmd_del(struct sk_buff *skb, 
struct genl_info *info)
        if (IS_ERR(reply))
                goto exit_unlock;
 
-       dp_detach_port(vport);
+       ovs_dp_detach_port(vport);
 
        genl_notify(reply, genl_info_net(info), info->snd_pid,
-                   dp_vport_multicast_group.id, info->nlhdr, GFP_KERNEL);
+                   ovs_dp_vport_multicast_group.id, info->nlhdr, GFP_KERNEL);
 
 exit_unlock:
        rtnl_unlock();
@@ -1775,13 +1779,13 @@ struct genl_family_and_ops {
 static const struct genl_family_and_ops dp_genl_families[] = {
        { &dp_datapath_genl_family,
          dp_datapath_genl_ops, ARRAY_SIZE(dp_datapath_genl_ops),
-         &dp_datapath_multicast_group },
+         &ovs_dp_datapath_multicast_group },
        { &dp_vport_genl_family,
          dp_vport_genl_ops, ARRAY_SIZE(dp_vport_genl_ops),
-         &dp_vport_multicast_group },
+         &ovs_dp_vport_multicast_group },
        { &dp_flow_genl_family,
          dp_flow_genl_ops, ARRAY_SIZE(dp_flow_genl_ops),
-         &dp_flow_multicast_group },
+         &ovs_dp_flow_multicast_group },
        { &dp_packet_genl_family,
          dp_packet_genl_ops, ARRAY_SIZE(dp_packet_genl_ops),
          NULL },
@@ -1834,15 +1838,15 @@ static int __init dp_init(void)
 
        pr_info("Open vSwitch switching datapath\n");
 
-       err = flow_init();
+       err = ovs_flow_init();
        if (err)
                goto error;
 
-       err = vport_init();
+       err = ovs_vport_init();
        if (err)
                goto error_flow_exit;
 
-       err = register_netdevice_notifier(&dp_device_notifier);
+       err = register_netdevice_notifier(&ovs_dp_device_notifier);
        if (err)
                goto error_vport_exit;
 
@@ -1853,11 +1857,11 @@ static int __init dp_init(void)
        return 0;
 
 error_unreg_notifier:
-       unregister_netdevice_notifier(&dp_device_notifier);
+       unregister_netdevice_notifier(&ovs_dp_device_notifier);
 error_vport_exit:
-       vport_exit();
+       ovs_vport_exit();
 error_flow_exit:
-       flow_exit();
+       ovs_flow_exit();
 error:
        return err;
 }
@@ -1866,9 +1870,9 @@ static void dp_cleanup(void)
 {
        rcu_barrier();
        dp_unregister_genl(ARRAY_SIZE(dp_genl_families));
-       unregister_netdevice_notifier(&dp_device_notifier);
-       vport_exit();
-       flow_exit();
+       unregister_netdevice_notifier(&ovs_dp_device_notifier);
+       ovs_vport_exit();
+       ovs_flow_exit();
 }
 
 module_init(dp_init);
diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
index f0f65e6..5b9f884 100644
--- a/net/openvswitch/datapath.h
+++ b/net/openvswitch/datapath.h
@@ -109,17 +109,17 @@ struct dp_upcall_info {
        u32 pid;
 };
 
-extern struct notifier_block dp_device_notifier;
-extern struct genl_multicast_group dp_vport_multicast_group;
+extern struct notifier_block ovs_dp_device_notifier;
+extern struct genl_multicast_group ovs_dp_vport_multicast_group;
 
-void dp_process_received_packet(struct vport *, struct sk_buff *);
-void dp_detach_port(struct vport *);
-int dp_upcall(struct datapath *, struct sk_buff *,
-             const struct dp_upcall_info *);
+void ovs_dp_process_received_packet(struct vport *, struct sk_buff *);
+void ovs_dp_detach_port(struct vport *);
+int ovs_dp_upcall(struct datapath *, struct sk_buff *,
+                 const struct dp_upcall_info *);
 
-const char *dp_name(const struct datapath *dp);
+const char *ovs_dp_name(const struct datapath *dp);
 struct sk_buff *ovs_vport_cmd_build_info(struct vport *, u32 pid, u32 seq,
                                         u8 cmd);
 
-int execute_actions(struct datapath *dp, struct sk_buff *skb);
+int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb);
 #endif /* datapath.h */
diff --git a/net/openvswitch/dp_notify.c b/net/openvswitch/dp_notify.c
index be1a539..4673651 100644
--- a/net/openvswitch/dp_notify.c
+++ b/net/openvswitch/dp_notify.c
@@ -29,39 +29,38 @@ static int dp_device_event(struct notifier_block *unused, 
unsigned long event,
        struct net_device *dev = ptr;
        struct vport *vport;
 
-       if (is_internal_dev(dev))
-               vport = internal_dev_get_vport(dev);
+       if (ovs_is_internal_dev(dev))
+               vport = ovs_internal_dev_get_vport(dev);
        else
-               vport = netdev_get_vport(dev);
+               vport = ovs_netdev_get_vport(dev);
 
        if (!vport)
                return NOTIFY_DONE;
 
        switch (event) {
        case NETDEV_UNREGISTER:
-               if (!is_internal_dev(dev)) {
+               if (!ovs_is_internal_dev(dev)) {
                        struct sk_buff *notify;
 
                        notify = ovs_vport_cmd_build_info(vport, 0, 0,
                                                          OVS_VPORT_CMD_DEL);
-                       dp_detach_port(vport);
+                       ovs_dp_detach_port(vport);
                        if (IS_ERR(notify)) {
                                netlink_set_err(init_net.genl_sock, 0,
-                                               dp_vport_multicast_group.id,
+                                               ovs_dp_vport_multicast_group.id,
                                                PTR_ERR(notify));
                                break;
                        }
 
-                       genlmsg_multicast(notify, 0, 
dp_vport_multicast_group.id,
+                       genlmsg_multicast(notify, 0, 
ovs_dp_vport_multicast_group.id,
                                          GFP_KERNEL);
                }
                break;
-
        }
 
        return NOTIFY_DONE;
 }
 
-struct notifier_block dp_device_notifier = {
+struct notifier_block ovs_dp_device_notifier = {
        .notifier_call = dp_device_event
 };
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index e5553dc..0209f7c 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -109,7 +109,7 @@ static bool icmphdr_ok(struct sk_buff *skb)
                                  sizeof(struct icmphdr));
 }
 
-u64 flow_used_time(unsigned long flow_jiffies)
+u64 ovs_flow_used_time(unsigned long flow_jiffies)
 {
        struct timespec cur_ts;
        u64 cur_ms, idle_ms;
@@ -232,7 +232,7 @@ static bool icmp6hdr_ok(struct sk_buff *skb)
 #define TCP_FLAGS_OFFSET 13
 #define TCP_FLAG_MASK 0x3f
 
-void flow_used(struct sw_flow *flow, struct sk_buff *skb)
+void ovs_flow_used(struct sw_flow *flow, struct sk_buff *skb)
 {
        u8 tcp_flags = 0;
 
@@ -250,7 +250,7 @@ void flow_used(struct sw_flow *flow, struct sk_buff *skb)
        spin_unlock(&flow->lock);
 }
 
-struct sw_flow_actions *flow_actions_alloc(const struct nlattr *actions)
+struct sw_flow_actions *ovs_flow_actions_alloc(const struct nlattr *actions)
 {
        int actions_len = nla_len(actions);
        struct sw_flow_actions *sfa;
@@ -270,7 +270,7 @@ struct sw_flow_actions *flow_actions_alloc(const struct 
nlattr *actions)
        return sfa;
 }
 
-struct sw_flow *flow_alloc(void)
+struct sw_flow *ovs_flow_alloc(void)
 {
        struct sw_flow *flow;
 
@@ -318,7 +318,7 @@ static void free_buckets(struct flex_array *buckets)
        flex_array_free(buckets);
 }
 
-struct flow_table *flow_tbl_alloc(int new_size)
+struct flow_table *ovs_flow_tbl_alloc(int new_size)
 {
        struct flow_table *table = kmalloc(sizeof(*table), GFP_KERNEL);
 
@@ -337,7 +337,7 @@ struct flow_table *flow_tbl_alloc(int new_size)
        return table;
 }
 
-void flow_tbl_destroy(struct flow_table *table)
+void ovs_flow_tbl_destroy(struct flow_table *table)
 {
        int i;
 
@@ -351,7 +351,7 @@ void flow_tbl_destroy(struct flow_table *table)
 
                hlist_for_each_entry_safe(flow, node, n, head, hash_node) {
                        hlist_del_init_rcu(&flow->hash_node);
-                       flow_free(flow);
+                       ovs_flow_free(flow);
                }
        }
 
@@ -363,10 +363,10 @@ static void flow_tbl_destroy_rcu_cb(struct rcu_head *rcu)
 {
        struct flow_table *table = container_of(rcu, struct flow_table, rcu);
 
-       flow_tbl_destroy(table);
+       ovs_flow_tbl_destroy(table);
 }
 
-void flow_tbl_deferred_destroy(struct flow_table *table)
+void ovs_flow_tbl_deferred_destroy(struct flow_table *table)
 {
        if (!table)
                return;
@@ -374,7 +374,7 @@ void flow_tbl_deferred_destroy(struct flow_table *table)
        call_rcu(&table->rcu, flow_tbl_destroy_rcu_cb);
 }
 
-struct sw_flow *flow_tbl_next(struct flow_table *table, u32 *bucket, u32 *last)
+struct sw_flow *ovs_flow_tbl_next(struct flow_table *table, u32 *bucket, u32 
*last)
 {
        struct sw_flow *flow;
        struct hlist_head *head;
@@ -399,13 +399,13 @@ struct sw_flow *flow_tbl_next(struct flow_table *table, 
u32 *bucket, u32 *last)
        return NULL;
 }
 
-struct flow_table *flow_tbl_expand(struct flow_table *table)
+struct flow_table *ovs_flow_tbl_expand(struct flow_table *table)
 {
        struct flow_table *new_table;
        int n_buckets = table->n_buckets * 2;
        int i;
 
-       new_table = flow_tbl_alloc(n_buckets);
+       new_table = ovs_flow_tbl_alloc(n_buckets);
        if (!new_table)
                return ERR_PTR(-ENOMEM);
 
@@ -418,14 +418,14 @@ struct flow_table *flow_tbl_expand(struct flow_table 
*table)
 
                hlist_for_each_entry_safe(flow, n, pos, head, hash_node) {
                        hlist_del_init_rcu(&flow->hash_node);
-                       flow_tbl_insert(new_table, flow);
+                       ovs_flow_tbl_insert(new_table, flow);
                }
        }
 
        return new_table;
 }
 
-void flow_free(struct sw_flow *flow)
+void ovs_flow_free(struct sw_flow *flow)
 {
        if (unlikely(!flow))
                return;
@@ -434,22 +434,22 @@ void flow_free(struct sw_flow *flow)
        kmem_cache_free(flow_cache, flow);
 }
 
-/* RCU callback used by flow_deferred_free. */
+/* RCU callback used by ovs_flow_deferred_free. */
 static void rcu_free_flow_callback(struct rcu_head *rcu)
 {
        struct sw_flow *flow = container_of(rcu, struct sw_flow, rcu);
 
-       flow_free(flow);
+       ovs_flow_free(flow);
 }
 
 /* Schedules 'flow' to be freed after the next RCU grace period.
  * The caller must hold rcu_read_lock for this to be sensible. */
-void flow_deferred_free(struct sw_flow *flow)
+void ovs_flow_deferred_free(struct sw_flow *flow)
 {
        call_rcu(&flow->rcu, rcu_free_flow_callback);
 }
 
-/* RCU callback used by flow_deferred_free_acts. */
+/* RCU callback used by ovs_flow_deferred_free_acts. */
 static void rcu_free_acts_callback(struct rcu_head *rcu)
 {
        struct sw_flow_actions *sf_acts = container_of(rcu,
@@ -459,7 +459,7 @@ static void rcu_free_acts_callback(struct rcu_head *rcu)
 
 /* Schedules 'sf_acts' to be freed after the next RCU grace period.
  * The caller must hold rcu_read_lock for this to be sensible. */
-void flow_deferred_free_acts(struct sw_flow_actions *sf_acts)
+void ovs_flow_deferred_free_acts(struct sw_flow_actions *sf_acts)
 {
        call_rcu(&sf_acts->rcu, rcu_free_acts_callback);
 }
@@ -603,7 +603,7 @@ out:
 }
 
 /**
- * flow_extract - extracts a flow key from an Ethernet frame.
+ * ovs_flow_extract - extracts a flow key from an Ethernet frame.
  * @skb: sk_buff that contains the frame, with skb->data pointing to the
  * Ethernet header
  * @in_port: port number on which @skb was received.
@@ -626,7 +626,7 @@ out:
  *      of a correct length, otherwise the same as skb->network_header.
  *      For other key->dl_type values it is left untouched.
  */
-int flow_extract(struct sk_buff *skb, u16 in_port, struct sw_flow_key *key,
+int ovs_flow_extract(struct sk_buff *skb, u16 in_port, struct sw_flow_key *key,
                 int *key_lenp)
 {
        int error = 0;
@@ -792,12 +792,12 @@ out:
        return error;
 }
 
-u32 flow_hash(const struct sw_flow_key *key, int key_len)
+u32 ovs_flow_hash(const struct sw_flow_key *key, int key_len)
 {
        return jhash2((u32 *)key, DIV_ROUND_UP(key_len, sizeof(u32)), 
hash_seed);
 }
 
-struct sw_flow *flow_tbl_lookup(struct flow_table *table,
+struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *table,
                                struct sw_flow_key *key, int key_len)
 {
        struct sw_flow *flow;
@@ -805,7 +805,7 @@ struct sw_flow *flow_tbl_lookup(struct flow_table *table,
        struct hlist_head *head;
        u32 hash;
 
-       hash = flow_hash(key, key_len);
+       hash = ovs_flow_hash(key, key_len);
 
        head = find_bucket(table, hash);
        hlist_for_each_entry_rcu(flow, n, head, hash_node) {
@@ -818,7 +818,7 @@ struct sw_flow *flow_tbl_lookup(struct flow_table *table,
        return NULL;
 }
 
-void flow_tbl_insert(struct flow_table *table, struct sw_flow *flow)
+void ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow)
 {
        struct hlist_head *head;
 
@@ -827,7 +827,7 @@ void flow_tbl_insert(struct flow_table *table, struct 
sw_flow *flow)
        table->count++;
 }
 
-void flow_tbl_remove(struct flow_table *table, struct sw_flow *flow)
+void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow)
 {
        if (!hlist_unhashed(&flow->hash_node)) {
                hlist_del_init_rcu(&flow->hash_node);
@@ -990,13 +990,13 @@ static int parse_flow_nlattrs(const struct nlattr *attr,
 }
 
 /**
- * flow_from_nlattrs - parses Netlink attributes into a flow key.
+ * ovs_flow_from_nlattrs - parses Netlink attributes into a flow key.
  * @swkey: receives the extracted flow key.
  * @key_lenp: number of bytes used in @swkey.
  * @attr: Netlink attribute holding nested %OVS_KEY_ATTR_* Netlink attribute
  * sequence.
  */
-int flow_from_nlattrs(struct sw_flow_key *swkey, int *key_lenp,
+int ovs_flow_from_nlattrs(struct sw_flow_key *swkey, int *key_lenp,
                      const struct nlattr *attr)
 {
        const struct nlattr *a[OVS_KEY_ATTR_MAX + 1];
@@ -1151,7 +1151,7 @@ int flow_from_nlattrs(struct sw_flow_key *swkey, int 
*key_lenp,
 }
 
 /**
- * flow_metadata_from_nlattrs - parses Netlink attributes into a flow key.
+ * ovs_flow_metadata_from_nlattrs - parses Netlink attributes into a flow key.
  * @in_port: receives the extracted input port.
  * @key: Netlink attribute holding nested %OVS_KEY_ATTR_* Netlink attribute
  * sequence.
@@ -1161,7 +1161,7 @@ int flow_from_nlattrs(struct sw_flow_key *swkey, int 
*key_lenp,
  * get the metadata, that is, the parts of the flow key that cannot be
  * extracted from the packet itself.
  */
-int flow_metadata_from_nlattrs(u32 *priority, u16 *in_port,
+int ovs_flow_metadata_from_nlattrs(u32 *priority, u16 *in_port,
                               const struct nlattr *attr)
 {
        const struct nlattr *nla;
@@ -1195,7 +1195,7 @@ int flow_metadata_from_nlattrs(u32 *priority, u16 
*in_port,
        return 0;
 }
 
-int flow_to_nlattrs(const struct sw_flow_key *swkey, struct sk_buff *skb)
+int ovs_flow_to_nlattrs(const struct sw_flow_key *swkey, struct sk_buff *skb)
 {
        struct ovs_key_ethernet *eth_key;
        struct nlattr *nla, *encap;
@@ -1354,7 +1354,7 @@ nla_put_failure:
 
 /* Initializes the flow module.
  * Returns zero if successful or a negative error code. */
-int flow_init(void)
+int ovs_flow_init(void)
 {
        flow_cache = kmem_cache_create("sw_flow", sizeof(struct sw_flow), 0,
                                        0, NULL);
@@ -1367,7 +1367,7 @@ int flow_init(void)
 }
 
 /* Uninitializes the flow module. */
-void flow_exit(void)
+void ovs_flow_exit(void)
 {
        kmem_cache_destroy(flow_cache);
 }
diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h
index b98596f..3f0c06c 100644
--- a/net/openvswitch/flow.h
+++ b/net/openvswitch/flow.h
@@ -122,20 +122,20 @@ struct arp_eth_header {
        unsigned char       ar_tip[4];          /* target IP address        */
 } __packed;
 
-int flow_init(void);
-void flow_exit(void);
+int ovs_flow_init(void);
+void ovs_flow_exit(void);
 
-struct sw_flow *flow_alloc(void);
-void flow_deferred_free(struct sw_flow *);
-void flow_free(struct sw_flow *flow);
+struct sw_flow *ovs_flow_alloc(void);
+void ovs_flow_deferred_free(struct sw_flow *);
+void ovs_flow_free(struct sw_flow *flow);
 
-struct sw_flow_actions *flow_actions_alloc(const struct nlattr *);
-void flow_deferred_free_acts(struct sw_flow_actions *);
+struct sw_flow_actions *ovs_flow_actions_alloc(const struct nlattr *);
+void ovs_flow_deferred_free_acts(struct sw_flow_actions *);
 
-int flow_extract(struct sk_buff *, u16 in_port, struct sw_flow_key *,
-                int *key_lenp);
-void flow_used(struct sw_flow *, struct sk_buff *);
-u64 flow_used_time(unsigned long flow_jiffies);
+int ovs_flow_extract(struct sk_buff *, u16 in_port, struct sw_flow_key *,
+                    int *key_lenp);
+void ovs_flow_used(struct sw_flow *, struct sk_buff *);
+u64 ovs_flow_used_time(unsigned long flow_jiffies);
 
 /* Upper bound on the length of a nlattr-formatted flow key.  The longest
  * nlattr-formatted flow key would be:
@@ -155,10 +155,10 @@ u64 flow_used_time(unsigned long flow_jiffies);
  */
 #define FLOW_BUFSIZE 132
 
-int flow_to_nlattrs(const struct sw_flow_key *, struct sk_buff *);
-int flow_from_nlattrs(struct sw_flow_key *swkey, int *key_lenp,
+int ovs_flow_to_nlattrs(const struct sw_flow_key *, struct sk_buff *);
+int ovs_flow_from_nlattrs(struct sw_flow_key *swkey, int *key_lenp,
                      const struct nlattr *);
-int flow_metadata_from_nlattrs(u32 *priority, u16 *in_port,
+int ovs_flow_metadata_from_nlattrs(u32 *priority, u16 *in_port,
                               const struct nlattr *);
 
 #define TBL_MIN_BUCKETS                1024
@@ -169,27 +169,27 @@ struct flow_table {
        struct rcu_head rcu;
 };
 
-static inline int flow_tbl_count(struct flow_table *table)
+static inline int ovs_flow_tbl_count(struct flow_table *table)
 {
        return table->count;
 }
 
-static inline int flow_tbl_need_to_expand(struct flow_table *table)
+static inline int ovs_flow_tbl_need_to_expand(struct flow_table *table)
 {
        return (table->count > table->n_buckets);
 }
 
-struct sw_flow *flow_tbl_lookup(struct flow_table *table,
-                               struct sw_flow_key *key,    int len);
-void flow_tbl_destroy(struct flow_table *table);
-void flow_tbl_deferred_destroy(struct flow_table *table);
-struct flow_table *flow_tbl_alloc(int new_size);
-struct flow_table *flow_tbl_expand(struct flow_table *table);
-void flow_tbl_insert(struct flow_table *table, struct sw_flow *flow);
-void flow_tbl_remove(struct flow_table *table, struct sw_flow *flow);
-u32 flow_hash(const struct sw_flow_key *key, int key_len);
-
-struct sw_flow *flow_tbl_next(struct flow_table *table, u32 *bucket, u32 *idx);
+struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *table,
+                                   struct sw_flow_key *key, int len);
+void ovs_flow_tbl_destroy(struct flow_table *table);
+void ovs_flow_tbl_deferred_destroy(struct flow_table *table);
+struct flow_table *ovs_flow_tbl_alloc(int new_size);
+struct flow_table *ovs_flow_tbl_expand(struct flow_table *table);
+void ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow);
+void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow);
+u32 ovs_flow_hash(const struct sw_flow_key *key, int key_len);
+
+struct sw_flow *ovs_flow_tbl_next(struct flow_table *table, u32 *bucket, u32 
*idx);
 extern const int ovs_key_lens[OVS_KEY_ATTR_MAX + 1];
 
 #endif /* flow.h */
diff --git a/net/openvswitch/vport-internal_dev.c 
b/net/openvswitch/vport-internal_dev.c
index 89f7be4..8fc28b8 100644
--- a/net/openvswitch/vport-internal_dev.c
+++ b/net/openvswitch/vport-internal_dev.c
@@ -42,10 +42,10 @@ static struct internal_dev *internal_dev_priv(struct 
net_device *netdev)
 static struct rtnl_link_stats64 *internal_dev_get_stats(struct net_device 
*netdev,
                                                        struct 
rtnl_link_stats64 *stats)
 {
-       struct vport *vport = internal_dev_get_vport(netdev);
+       struct vport *vport = ovs_internal_dev_get_vport(netdev);
        struct ovs_vport_stats vport_stats;
 
-       vport_get_stats(vport, &vport_stats);
+       ovs_vport_get_stats(vport, &vport_stats);
 
        /* The tx and rx stats need to be swapped because the
         * switch and host OS have opposite perspectives. */
@@ -75,7 +75,7 @@ static int internal_dev_mac_addr(struct net_device *dev, void 
*p)
 static int internal_dev_xmit(struct sk_buff *skb, struct net_device *netdev)
 {
        rcu_read_lock();
-       vport_receive(internal_dev_priv(netdev)->vport, skb);
+       ovs_vport_receive(internal_dev_priv(netdev)->vport, skb);
        rcu_read_unlock();
        return 0;
 }
@@ -114,9 +114,9 @@ static int internal_dev_change_mtu(struct net_device 
*netdev, int new_mtu)
 
 static void internal_dev_destructor(struct net_device *dev)
 {
-       struct vport *vport = internal_dev_get_vport(dev);
+       struct vport *vport = ovs_internal_dev_get_vport(dev);
 
-       vport_free(vport);
+       ovs_vport_free(vport);
        free_netdev(dev);
 }
 
@@ -156,8 +156,8 @@ static struct vport *internal_dev_create(const struct 
vport_parms *parms)
        struct internal_dev *internal_dev;
        int err;
 
-       vport = vport_alloc(sizeof(struct netdev_vport),
-                           &internal_vport_ops, parms);
+       vport = ovs_vport_alloc(sizeof(struct netdev_vport),
+                               &ovs_internal_vport_ops, parms);
        if (IS_ERR(vport)) {
                err = PTR_ERR(vport);
                goto error;
@@ -187,7 +187,7 @@ static struct vport *internal_dev_create(const struct 
vport_parms *parms)
 error_free_netdev:
        free_netdev(netdev_vport->dev);
 error_free_vport:
-       vport_free(vport);
+       ovs_vport_free(vport);
 error:
        return ERR_PTR(err);
 }
@@ -218,23 +218,23 @@ static int internal_dev_recv(struct vport *vport, struct 
sk_buff *skb)
        return len;
 }
 
-const struct vport_ops internal_vport_ops = {
+const struct vport_ops ovs_internal_vport_ops = {
        .type           = OVS_VPORT_TYPE_INTERNAL,
        .create         = internal_dev_create,
        .destroy        = internal_dev_destroy,
-       .get_name       = netdev_get_name,
-       .get_ifindex    = netdev_get_ifindex,
+       .get_name       = ovs_netdev_get_name,
+       .get_ifindex    = ovs_netdev_get_ifindex,
        .send           = internal_dev_recv,
 };
 
-int is_internal_dev(const struct net_device *netdev)
+int ovs_is_internal_dev(const struct net_device *netdev)
 {
        return netdev->netdev_ops == &internal_dev_netdev_ops;
 }
 
-struct vport *internal_dev_get_vport(struct net_device *netdev)
+struct vport *ovs_internal_dev_get_vport(struct net_device *netdev)
 {
-       if (!is_internal_dev(netdev))
+       if (!ovs_is_internal_dev(netdev))
                return NULL;
 
        return internal_dev_priv(netdev)->vport;
diff --git a/net/openvswitch/vport-internal_dev.h 
b/net/openvswitch/vport-internal_dev.h
index 91002cb..3454447 100644
--- a/net/openvswitch/vport-internal_dev.h
+++ b/net/openvswitch/vport-internal_dev.h
@@ -22,7 +22,7 @@
 #include "datapath.h"
 #include "vport.h"
 
-int is_internal_dev(const struct net_device *);
-struct vport *internal_dev_get_vport(struct net_device *);
+int ovs_is_internal_dev(const struct net_device *);
+struct vport *ovs_internal_dev_get_vport(struct net_device *);
 
 #endif /* vport-internal_dev.h */
diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index 2aa4814..c1068ae 100644
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -49,7 +49,7 @@ static void netdev_port_receive(struct vport *vport, struct 
sk_buff *skb)
                return;
 
        skb_push(skb, ETH_HLEN);
-       vport_receive(vport, skb);
+       ovs_vport_receive(vport, skb);
 }
 
 /* Called with rcu_read_lock and bottom-halves disabled. */
@@ -61,7 +61,7 @@ static rx_handler_result_t netdev_frame_hook(struct sk_buff 
**pskb)
        if (unlikely(skb->pkt_type == PACKET_LOOPBACK))
                return RX_HANDLER_PASS;
 
-       vport = netdev_get_vport(skb->dev);
+       vport = ovs_netdev_get_vport(skb->dev);
 
        netdev_port_receive(vport, skb);
 
@@ -74,8 +74,8 @@ static struct vport *netdev_create(const struct vport_parms 
*parms)
        struct netdev_vport *netdev_vport;
        int err;
 
-       vport = vport_alloc(sizeof(struct netdev_vport),
-                           &netdev_vport_ops, parms);
+       vport = ovs_vport_alloc(sizeof(struct netdev_vport),
+                               &ovs_netdev_vport_ops, parms);
        if (IS_ERR(vport)) {
                err = PTR_ERR(vport);
                goto error;
@@ -91,7 +91,7 @@ static struct vport *netdev_create(const struct vport_parms 
*parms)
 
        if (netdev_vport->dev->flags & IFF_LOOPBACK ||
            netdev_vport->dev->type != ARPHRD_ETHER ||
-           is_internal_dev(netdev_vport->dev)) {
+           ovs_is_internal_dev(netdev_vport->dev)) {
                err = -EINVAL;
                goto error_put;
        }
@@ -109,7 +109,7 @@ static struct vport *netdev_create(const struct vport_parms 
*parms)
 error_put:
        dev_put(netdev_vport->dev);
 error_free_vport:
-       vport_free(vport);
+       ovs_vport_free(vport);
 error:
        return ERR_PTR(err);
 }
@@ -125,22 +125,21 @@ static void netdev_destroy(struct vport *vport)
        synchronize_rcu();
 
        dev_put(netdev_vport->dev);
-       vport_free(vport);
+       ovs_vport_free(vport);
 }
 
-const char *netdev_get_name(const struct vport *vport)
+const char *ovs_netdev_get_name(const struct vport *vport)
 {
        const struct netdev_vport *netdev_vport = netdev_vport_priv(vport);
        return netdev_vport->dev->name;
 }
 
-int netdev_get_ifindex(const struct vport *vport)
+int ovs_netdev_get_ifindex(const struct vport *vport)
 {
        const struct netdev_vport *netdev_vport = netdev_vport_priv(vport);
        return netdev_vport->dev->ifindex;
 }
 
-
 static unsigned packet_length(const struct sk_buff *skb)
 {
        unsigned length = skb->len - ETH_HLEN;
@@ -160,7 +159,7 @@ static int netdev_send(struct vport *vport, struct sk_buff 
*skb)
        if (unlikely(packet_length(skb) > mtu && !skb_is_gso(skb))) {
                if (net_ratelimit())
                        pr_warn("%s: dropped over-mtu packet: %d > %d\n",
-                               dp_name(vport->dp), packet_length(skb), mtu);
+                               ovs_dp_name(vport->dp), packet_length(skb), 
mtu);
                goto error;
        }
 
@@ -175,12 +174,12 @@ static int netdev_send(struct vport *vport, struct 
sk_buff *skb)
 
 error:
        kfree_skb(skb);
-       vport_record_error(vport, VPORT_E_TX_DROPPED);
+       ovs_vport_record_error(vport, VPORT_E_TX_DROPPED);
        return 0;
 }
 
 /* Returns null if this device is not attached to a datapath. */
-struct vport *netdev_get_vport(struct net_device *dev)
+struct vport *ovs_netdev_get_vport(struct net_device *dev)
 {
        if (likely(dev->priv_flags & IFF_OVS_DATAPATH))
                return (struct vport *)
@@ -189,12 +188,11 @@ struct vport *netdev_get_vport(struct net_device *dev)
                return NULL;
 }
 
-const struct vport_ops netdev_vport_ops = {
+const struct vport_ops ovs_netdev_vport_ops = {
        .type           = OVS_VPORT_TYPE_NETDEV,
        .create         = netdev_create,
        .destroy        = netdev_destroy,
-       .get_name       = netdev_get_name,
-       .get_ifindex    = netdev_get_ifindex,
+       .get_name       = ovs_netdev_get_name,
+       .get_ifindex    = ovs_netdev_get_ifindex,
        .send           = netdev_send,
 };
-
diff --git a/net/openvswitch/vport-netdev.h b/net/openvswitch/vport-netdev.h
index 6cc8719..fd9b008 100644
--- a/net/openvswitch/vport-netdev.h
+++ b/net/openvswitch/vport-netdev.h
@@ -23,7 +23,7 @@
 
 #include "vport.h"
 
-struct vport *netdev_get_vport(struct net_device *dev);
+struct vport *ovs_netdev_get_vport(struct net_device *dev);
 
 struct netdev_vport {
        struct net_device *dev;
@@ -35,8 +35,8 @@ netdev_vport_priv(const struct vport *vport)
        return vport_priv(vport);
 }
 
-const char *netdev_get_name(const struct vport *);
-const char *netdev_get_config(const struct vport *);
-int netdev_get_ifindex(const struct vport *);
+const char *ovs_netdev_get_name(const struct vport *);
+const char *ovs_netdev_get_config(const struct vport *);
+int ovs_netdev_get_ifindex(const struct vport *);
 
 #endif /* vport_netdev.h */
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 0332312..6cd7601 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -35,8 +35,8 @@
 /* List of statically compiled vport implementations.  Don't forget to also
  * add yours to the list at the bottom of vport.h. */
 static const struct vport_ops *vport_ops_list[] = {
-       &netdev_vport_ops,
-       &internal_vport_ops,
+       &ovs_netdev_vport_ops,
+       &ovs_internal_vport_ops,
 };
 
 /* Protected by RCU read lock for reading, RTNL lock for writing. */
@@ -44,11 +44,11 @@ static struct hlist_head *dev_table;
 #define VPORT_HASH_BUCKETS 1024
 
 /**
- *     vport_init - initialize vport subsystem
+ *     ovs_vport_init - initialize vport subsystem
  *
  * Called at module load time to initialize the vport subsystem.
  */
-int vport_init(void)
+int ovs_vport_init(void)
 {
        dev_table = kzalloc(VPORT_HASH_BUCKETS * sizeof(struct hlist_head),
                            GFP_KERNEL);
@@ -59,11 +59,11 @@ int vport_init(void)
 }
 
 /**
- *     vport_exit - shutdown vport subsystem
+ *     ovs_vport_exit - shutdown vport subsystem
  *
  * Called at module exit time to shutdown the vport subsystem.
  */
-void vport_exit(void)
+void ovs_vport_exit(void)
 {
        kfree(dev_table);
 }
@@ -75,13 +75,13 @@ static struct hlist_head *hash_bucket(const char *name)
 }
 
 /**
- *     vport_locate - find a port that has already been created
+ *     ovs_vport_locate - find a port that has already been created
  *
  * @name: name of port to find
  *
  * Must be called with RTNL or RCU read lock.
  */
-struct vport *vport_locate(const char *name)
+struct vport *ovs_vport_locate(const char *name)
 {
        struct hlist_head *bucket = hash_bucket(name);
        struct vport *vport;
@@ -95,7 +95,7 @@ struct vport *vport_locate(const char *name)
 }
 
 /**
- *     vport_alloc - allocate and initialize new vport
+ *     ovs_vport_alloc - allocate and initialize new vport
  *
  * @priv_size: Size of private data area to allocate.
  * @ops: vport device ops
@@ -105,7 +105,7 @@ struct vport *vport_locate(const char *name)
  * vport_priv().  vports that are no longer needed should be released with
  * vport_free().
  */
-struct vport *vport_alloc(int priv_size, const struct vport_ops *ops,
+struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *ops,
                          const struct vport_parms *parms)
 {
        struct vport *vport;
@@ -136,7 +136,7 @@ struct vport *vport_alloc(int priv_size, const struct 
vport_ops *ops,
 }
 
 /**
- *     vport_free - uninitialize and free vport
+ *     ovs_vport_free - uninitialize and free vport
  *
  * @vport: vport to free
  *
@@ -145,21 +145,21 @@ struct vport *vport_alloc(int priv_size, const struct 
vport_ops *ops,
  * The caller must ensure that an RCU grace period has passed since the last
  * time @vport was in a datapath.
  */
-void vport_free(struct vport *vport)
+void ovs_vport_free(struct vport *vport)
 {
        free_percpu(vport->percpu_stats);
        kfree(vport);
 }
 
 /**
- *     vport_add - add vport device (for kernel callers)
+ *     ovs_vport_add - add vport device (for kernel callers)
  *
  * @parms: Information about new vport.
  *
  * Creates a new vport with the specified configuration (which is dependent on
  * device type).  RTNL lock must be held.
  */
-struct vport *vport_add(const struct vport_parms *parms)
+struct vport *ovs_vport_add(const struct vport_parms *parms)
 {
        struct vport *vport;
        int err = 0;
@@ -188,7 +188,7 @@ out:
 }
 
 /**
- *     vport_set_options - modify existing vport device (for kernel callers)
+ *     ovs_vport_set_options - modify existing vport device (for kernel 
callers)
  *
  * @vport: vport to modify.
  * @port: New configuration.
@@ -196,7 +196,7 @@ out:
  * Modifies an existing device with the specified configuration (which is
  * dependent on device type).  RTNL lock must be held.
  */
-int vport_set_options(struct vport *vport, struct nlattr *options)
+int ovs_vport_set_options(struct vport *vport, struct nlattr *options)
 {
        ASSERT_RTNL();
 
@@ -206,14 +206,14 @@ int vport_set_options(struct vport *vport, struct nlattr 
*options)
 }
 
 /**
- *     vport_del - delete existing vport device
+ *     ovs_vport_del - delete existing vport device
  *
  * @vport: vport to delete.
  *
  * Detaches @vport from its datapath and destroys it.  It is possible to fail
  * for reasons such as lack of memory.  RTNL lock must be held.
  */
-void vport_del(struct vport *vport)
+void ovs_vport_del(struct vport *vport)
 {
        ASSERT_RTNL();
 
@@ -223,7 +223,7 @@ void vport_del(struct vport *vport)
 }
 
 /**
- *     vport_get_stats - retrieve device stats
+ *     ovs_vport_get_stats - retrieve device stats
  *
  * @vport: vport from which to retrieve the stats
  * @stats: location to store stats
@@ -232,7 +232,7 @@ void vport_del(struct vport *vport)
  *
  * Must be called with RTNL lock or rcu_read_lock.
  */
-void vport_get_stats(struct vport *vport, struct ovs_vport_stats *stats)
+void ovs_vport_get_stats(struct vport *vport, struct ovs_vport_stats *stats)
 {
        int i;
 
@@ -276,7 +276,7 @@ void vport_get_stats(struct vport *vport, struct 
ovs_vport_stats *stats)
 }
 
 /**
- *     vport_get_options - retrieve device options
+ *     ovs_vport_get_options - retrieve device options
  *
  * @vport: vport from which to retrieve the options.
  * @skb: sk_buff where options should be appended.
@@ -291,7 +291,7 @@ void vport_get_stats(struct vport *vport, struct 
ovs_vport_stats *stats)
  *
  * Must be called with RTNL lock or rcu_read_lock.
  */
-int vport_get_options(const struct vport *vport, struct sk_buff *skb)
+int ovs_vport_get_options(const struct vport *vport, struct sk_buff *skb)
 {
        struct nlattr *nla;
 
@@ -312,7 +312,7 @@ int vport_get_options(const struct vport *vport, struct 
sk_buff *skb)
 }
 
 /**
- *     vport_receive - pass up received packet to the datapath for processing
+ *     ovs_vport_receive - pass up received packet to the datapath for 
processing
  *
  * @vport: vport that received the packet
  * @skb: skb that was received
@@ -321,7 +321,7 @@ int vport_get_options(const struct vport *vport, struct 
sk_buff *skb)
  * skb->data should point to the Ethernet header.  The caller must have already
  * called compute_ip_summed() to initialize the checksumming fields.
  */
-void vport_receive(struct vport *vport, struct sk_buff *skb)
+void ovs_vport_receive(struct vport *vport, struct sk_buff *skb)
 {
        struct vport_percpu_stats *stats;
 
@@ -332,11 +332,11 @@ void vport_receive(struct vport *vport, struct sk_buff 
*skb)
        stats->rx_bytes += skb->len;
        u64_stats_update_end(&stats->sync);
 
-       dp_process_received_packet(vport, skb);
+       ovs_dp_process_received_packet(vport, skb);
 }
 
 /**
- *     vport_send - send a packet on a device
+ *     ovs_vport_send - send a packet on a device
  *
  * @vport: vport on which to send the packet
  * @skb: skb to send
@@ -344,7 +344,7 @@ void vport_receive(struct vport *vport, struct sk_buff *skb)
  * Sends the given packet and returns the length of data sent.  Either RTNL
  * lock or rcu_read_lock must be held.
  */
-int vport_send(struct vport *vport, struct sk_buff *skb)
+int ovs_vport_send(struct vport *vport, struct sk_buff *skb)
 {
        int sent = vport->ops->send(vport, skb);
 
@@ -362,7 +362,7 @@ int vport_send(struct vport *vport, struct sk_buff *skb)
 }
 
 /**
- *     vport_record_error - indicate device error to generic stats layer
+ *     ovs_vport_record_error - indicate device error to generic stats layer
  *
  * @vport: vport that encountered the error
  * @err_type: one of enum vport_err_type types to indicate the error type
@@ -370,7 +370,7 @@ int vport_send(struct vport *vport, struct sk_buff *skb)
  * If using the vport generic stats layer indicate that an error of the given
  * type has occured.
  */
-void vport_record_error(struct vport *vport, enum vport_err_type err_type)
+void ovs_vport_record_error(struct vport *vport, enum vport_err_type err_type)
 {
        spin_lock(&vport->stats_lock);
 
diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h
index da093cd..1960962 100644
--- a/net/openvswitch/vport.h
+++ b/net/openvswitch/vport.h
@@ -32,20 +32,20 @@ struct vport_parms;
 
 /* The following definitions are for users of the vport subsytem: */
 
-int vport_init(void);
-void vport_exit(void);
+int ovs_vport_init(void);
+void ovs_vport_exit(void);
 
-struct vport *vport_add(const struct vport_parms *);
-void vport_del(struct vport *);
+struct vport *ovs_vport_add(const struct vport_parms *);
+void ovs_vport_del(struct vport *);
 
-struct vport *vport_locate(const char *name);
+struct vport *ovs_vport_locate(const char *name);
 
-void vport_get_stats(struct vport *, struct ovs_vport_stats *);
+void ovs_vport_get_stats(struct vport *, struct ovs_vport_stats *);
 
-int vport_set_options(struct vport *, struct nlattr *options);
-int vport_get_options(const struct vport *, struct sk_buff *);
+int ovs_vport_set_options(struct vport *, struct nlattr *options);
+int ovs_vport_get_options(const struct vport *, struct sk_buff *);
 
-int vport_send(struct vport *, struct sk_buff *);
+int ovs_vport_send(struct vport *, struct sk_buff *);
 
 /* The following definitions are for implementers of vport devices: */
 
@@ -109,7 +109,7 @@ struct vport_parms {
        enum ovs_vport_type type;
        struct nlattr *options;
 
-       /* For vport_alloc(). */
+       /* For ovs_vport_alloc(). */
        struct datapath *dp;
        u16 port_no;
        u32 upcall_pid;
@@ -120,7 +120,7 @@ struct vport_parms {
  *
  * @type: %OVS_VPORT_TYPE_* value for this type of virtual port.
  * @create: Create a new vport configured as specified.  On success returns
- * a new vport allocated with vport_alloc(), otherwise an ERR_PTR() value.
+ * a new vport allocated with ovs_vport_alloc(), otherwise an ERR_PTR() value.
  * @destroy: Destroys a vport.  Must call vport_free() on the vport but not
  * before an RCU grace period has elapsed.
  * @set_options: Modify the configuration of an existing vport.  May be %NULL
@@ -159,9 +159,9 @@ enum vport_err_type {
        VPORT_E_TX_ERROR,
 };
 
-struct vport *vport_alloc(int priv_size, const struct vport_ops *,
-                         const struct vport_parms *);
-void vport_free(struct vport *);
+struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *,
+                             const struct vport_parms *);
+void ovs_vport_free(struct vport *);
 
 #define VPORT_ALIGN 8
 
@@ -194,12 +194,12 @@ static inline struct vport *vport_from_priv(const void 
*priv)
        return (struct vport *)(priv - ALIGN(sizeof(struct vport), 
VPORT_ALIGN));
 }
 
-void vport_receive(struct vport *, struct sk_buff *);
-void vport_record_error(struct vport *, enum vport_err_type err_type);
+void ovs_vport_receive(struct vport *, struct sk_buff *);
+void ovs_vport_record_error(struct vport *, enum vport_err_type err_type);
 
 /* List of statically compiled vport implementations.  Don't forget to also
  * add yours to the list at the top of vport.c. */
-extern const struct vport_ops netdev_vport_ops;
-extern const struct vport_ops internal_vport_ops;
+extern const struct vport_ops ovs_netdev_vport_ops;
+extern const struct vport_ops ovs_internal_vport_ops;
 
 #endif /* vport.h */
-- 
1.7.4.1

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