net: openvswitch: improve the coding style
Not change the logic, just improve the coding style. Cc: Pravin B Shelar <pshelar@ovn.org> Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com> Acked-by: Pravin B Shelar <pshelar@ovn.org> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tonghao Zhang
David S. Miller
parent
34e1ec319e
commit
cf3266ad48
@ -741,7 +741,8 @@ static int set_sctp(struct sk_buff *skb, struct sw_flow_key *flow_key,
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return 0;
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}
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static int ovs_vport_output(struct net *net, struct sock *sk, struct sk_buff *skb)
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static int ovs_vport_output(struct net *net, struct sock *sk,
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struct sk_buff *skb)
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{
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struct ovs_frag_data *data = this_cpu_ptr(&ovs_frag_data_storage);
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struct vport *vport = data->vport;
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@ -920,7 +921,7 @@ static int output_userspace(struct datapath *dp, struct sk_buff *skb,
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upcall.mru = OVS_CB(skb)->mru;
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for (a = nla_data(attr), rem = nla_len(attr); rem > 0;
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a = nla_next(a, &rem)) {
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a = nla_next(a, &rem)) {
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switch (nla_type(a)) {
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case OVS_USERSPACE_ATTR_USERDATA:
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upcall.userdata = a;
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@ -182,7 +182,7 @@ struct vport *ovs_lookup_vport(const struct datapath *dp, u16 port_no)
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head = vport_hash_bucket(dp, port_no);
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hlist_for_each_entry_rcu(vport, head, dp_hash_node,
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lockdep_ovsl_is_held()) {
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lockdep_ovsl_is_held()) {
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if (vport->port_no == port_no)
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return vport;
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}
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@ -254,7 +254,7 @@ void ovs_dp_process_packet(struct sk_buff *skb, struct sw_flow_key *key)
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error = ovs_execute_actions(dp, skb, sf_acts, key);
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if (unlikely(error))
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net_dbg_ratelimited("ovs: action execution error on datapath %s: %d\n",
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ovs_dp_name(dp), error);
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ovs_dp_name(dp), error);
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stats_counter = &stats->n_hit;
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@ -302,7 +302,7 @@ err:
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static int queue_gso_packets(struct datapath *dp, struct sk_buff *skb,
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const struct sw_flow_key *key,
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const struct dp_upcall_info *upcall_info,
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uint32_t cutlen)
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uint32_t cutlen)
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{
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unsigned int gso_type = skb_shinfo(skb)->gso_type;
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struct sw_flow_key later_key;
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@ -1080,11 +1080,12 @@ error:
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}
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/* Factor out action copy to avoid "Wframe-larger-than=1024" warning. */
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static noinline_for_stack struct sw_flow_actions *get_flow_actions(struct net *net,
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const struct nlattr *a,
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const struct sw_flow_key *key,
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const struct sw_flow_mask *mask,
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bool log)
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static noinline_for_stack
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struct sw_flow_actions *get_flow_actions(struct net *net,
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const struct nlattr *a,
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const struct sw_flow_key *key,
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const struct sw_flow_mask *mask,
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bool log)
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{
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struct sw_flow_actions *acts;
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struct sw_flow_key masked_key;
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@ -1383,7 +1384,8 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct genl_info *info)
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ovs_notify(&dp_flow_genl_family, reply, info);
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} else {
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netlink_set_err(sock_net(skb->sk)->genl_sock, 0, 0, PTR_ERR(reply));
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netlink_set_err(sock_net(skb->sk)->genl_sock, 0, 0,
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PTR_ERR(reply));
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}
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}
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@ -1513,7 +1515,7 @@ static int ovs_dp_cmd_fill_info(struct datapath *dp, struct sk_buff *skb,
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int err;
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ovs_header = genlmsg_put(skb, portid, seq, &dp_datapath_genl_family,
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flags, cmd);
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flags, cmd);
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if (!ovs_header)
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goto error;
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@ -1572,11 +1574,13 @@ static struct datapath *lookup_datapath(struct net *net,
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return dp ? dp : ERR_PTR(-ENODEV);
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}
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static void ovs_dp_reset_user_features(struct sk_buff *skb, struct genl_info *info)
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static void ovs_dp_reset_user_features(struct sk_buff *skb,
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struct genl_info *info)
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{
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struct datapath *dp;
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dp = lookup_datapath(sock_net(skb->sk), info->userhdr, info->attrs);
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dp = lookup_datapath(sock_net(skb->sk), info->userhdr,
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info->attrs);
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if (IS_ERR(dp))
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return;
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@ -2075,7 +2079,7 @@ static unsigned int ovs_get_max_headroom(struct datapath *dp)
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for (i = 0; i < DP_VPORT_HASH_BUCKETS; i++) {
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hlist_for_each_entry_rcu(vport, &dp->ports[i], dp_hash_node,
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lockdep_ovsl_is_held()) {
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lockdep_ovsl_is_held()) {
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dev = vport->dev;
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dev_headroom = netdev_get_fwd_headroom(dev);
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if (dev_headroom > max_headroom)
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@ -2093,10 +2097,11 @@ static void ovs_update_headroom(struct datapath *dp, unsigned int new_headroom)
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int i;
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dp->max_headroom = new_headroom;
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for (i = 0; i < DP_VPORT_HASH_BUCKETS; i++)
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for (i = 0; i < DP_VPORT_HASH_BUCKETS; i++) {
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hlist_for_each_entry_rcu(vport, &dp->ports[i], dp_hash_node,
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lockdep_ovsl_is_held())
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lockdep_ovsl_is_held())
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netdev_set_rx_headroom(vport->dev, new_headroom);
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}
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}
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static int ovs_vport_cmd_new(struct sk_buff *skb, struct genl_info *info)
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@ -2551,7 +2556,8 @@ static int __init dp_init(void)
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{
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int err;
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BUILD_BUG_ON(sizeof(struct ovs_skb_cb) > sizeof_field(struct sk_buff, cb));
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BUILD_BUG_ON(sizeof(struct ovs_skb_cb) >
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sizeof_field(struct sk_buff, cb));
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pr_info("Open vSwitch switching datapath\n");
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@ -111,12 +111,16 @@ static void flow_free(struct sw_flow *flow)
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if (ovs_identifier_is_key(&flow->id))
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kfree(flow->id.unmasked_key);
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if (flow->sf_acts)
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ovs_nla_free_flow_actions((struct sw_flow_actions __force *)flow->sf_acts);
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ovs_nla_free_flow_actions((struct sw_flow_actions __force *)
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flow->sf_acts);
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/* We open code this to make sure cpu 0 is always considered */
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for (cpu = 0; cpu < nr_cpu_ids; cpu = cpumask_next(cpu, &flow->cpu_used_mask))
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for (cpu = 0; cpu < nr_cpu_ids;
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cpu = cpumask_next(cpu, &flow->cpu_used_mask)) {
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if (flow->stats[cpu])
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kmem_cache_free(flow_stats_cache,
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(struct sw_flow_stats __force *)flow->stats[cpu]);
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}
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kmem_cache_free(flow_cache, flow);
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}
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@ -192,7 +196,7 @@ static void tbl_mask_array_reset_counters(struct mask_array *ma)
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* zero based counter we store the value at reset, and subtract it
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* later when processing.
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*/
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for (i = 0; i < ma->max; i++) {
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for (i = 0; i < ma->max; i++) {
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ma->masks_usage_zero_cntr[i] = 0;
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for_each_possible_cpu(cpu) {
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@ -273,7 +277,7 @@ static int tbl_mask_array_add_mask(struct flow_table *tbl,
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if (ma_count >= ma->max) {
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err = tbl_mask_array_realloc(tbl, ma->max +
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MASK_ARRAY_SIZE_MIN);
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MASK_ARRAY_SIZE_MIN);
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if (err)
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return err;
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@ -288,7 +292,7 @@ static int tbl_mask_array_add_mask(struct flow_table *tbl,
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BUG_ON(ovsl_dereference(ma->masks[ma_count]));
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rcu_assign_pointer(ma->masks[ma_count], new);
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WRITE_ONCE(ma->count, ma_count +1);
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WRITE_ONCE(ma->count, ma_count + 1);
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return 0;
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}
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@ -309,10 +313,10 @@ static void tbl_mask_array_del_mask(struct flow_table *tbl,
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return;
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found:
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WRITE_ONCE(ma->count, ma_count -1);
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WRITE_ONCE(ma->count, ma_count - 1);
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rcu_assign_pointer(ma->masks[i], ma->masks[ma_count -1]);
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RCU_INIT_POINTER(ma->masks[ma_count -1], NULL);
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rcu_assign_pointer(ma->masks[i], ma->masks[ma_count - 1]);
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RCU_INIT_POINTER(ma->masks[ma_count - 1], NULL);
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kfree_rcu(mask, rcu);
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@ -448,16 +452,17 @@ free_mask_cache:
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static void flow_tbl_destroy_rcu_cb(struct rcu_head *rcu)
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{
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struct table_instance *ti = container_of(rcu, struct table_instance, rcu);
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struct table_instance *ti;
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ti = container_of(rcu, struct table_instance, rcu);
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__table_instance_destroy(ti);
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}
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static void table_instance_flow_free(struct flow_table *table,
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struct table_instance *ti,
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struct table_instance *ufid_ti,
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struct sw_flow *flow,
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bool count)
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struct table_instance *ti,
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struct table_instance *ufid_ti,
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struct sw_flow *flow,
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bool count)
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{
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hlist_del_rcu(&flow->flow_table.node[ti->node_ver]);
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if (count)
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@ -484,9 +489,9 @@ void table_instance_flow_flush(struct flow_table *table,
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return;
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for (i = 0; i < ti->n_buckets; i++) {
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struct sw_flow *flow;
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struct hlist_head *head = &ti->buckets[i];
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struct hlist_node *n;
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struct sw_flow *flow;
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hlist_for_each_entry_safe(flow, n, head,
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flow_table.node[ti->node_ver]) {
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@ -661,7 +666,7 @@ static int flow_key_start(const struct sw_flow_key *key)
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return 0;
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else
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return rounddown(offsetof(struct sw_flow_key, phy),
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sizeof(long));
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sizeof(long));
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}
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static bool cmp_key(const struct sw_flow_key *key1,
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@ -673,7 +678,7 @@ static bool cmp_key(const struct sw_flow_key *key1,
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long diffs = 0;
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int i;
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for (i = key_start; i < key_end; i += sizeof(long))
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for (i = key_start; i < key_end; i += sizeof(long))
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diffs |= *cp1++ ^ *cp2++;
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return diffs == 0;
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@ -713,7 +718,7 @@ static struct sw_flow *masked_flow_lookup(struct table_instance *ti,
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(*n_mask_hit)++;
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hlist_for_each_entry_rcu(flow, head, flow_table.node[ti->node_ver],
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lockdep_ovsl_is_held()) {
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lockdep_ovsl_is_held()) {
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if (flow->mask == mask && flow->flow_table.hash == hash &&
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flow_cmp_masked_key(flow, &masked_key, &mask->range))
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return flow;
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@ -897,7 +902,8 @@ static bool ovs_flow_cmp_ufid(const struct sw_flow *flow,
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return !memcmp(flow->id.ufid, sfid->ufid, sfid->ufid_len);
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}
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bool ovs_flow_cmp(const struct sw_flow *flow, const struct sw_flow_match *match)
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bool ovs_flow_cmp(const struct sw_flow *flow,
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const struct sw_flow_match *match)
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{
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if (ovs_identifier_is_ufid(&flow->id))
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return flow_cmp_masked_key(flow, match->key, &match->range);
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@ -916,7 +922,7 @@ struct sw_flow *ovs_flow_tbl_lookup_ufid(struct flow_table *tbl,
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hash = ufid_hash(ufid);
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head = find_bucket(ti, hash);
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hlist_for_each_entry_rcu(flow, head, ufid_table.node[ti->node_ver],
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lockdep_ovsl_is_held()) {
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lockdep_ovsl_is_held()) {
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if (flow->ufid_table.hash == hash &&
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ovs_flow_cmp_ufid(flow, ufid))
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return flow;
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@ -1107,7 +1113,7 @@ void ovs_flow_masks_rebalance(struct flow_table *table)
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if (!masks_and_count)
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return;
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for (i = 0; i < ma->max; i++) {
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for (i = 0; i < ma->max; i++) {
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struct sw_flow_mask *mask;
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unsigned int start;
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int cpu;
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@ -98,7 +98,7 @@ struct vport *ovs_vport_locate(const struct net *net, const char *name)
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struct vport *vport;
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hlist_for_each_entry_rcu(vport, bucket, hash_node,
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lockdep_ovsl_is_held())
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lockdep_ovsl_is_held())
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if (!strcmp(name, ovs_vport_name(vport)) &&
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net_eq(ovs_dp_get_net(vport->dp), net))
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return vport;
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@ -118,7 +118,7 @@ struct vport *ovs_vport_locate(const struct net *net, const char *name)
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* vport_free().
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*/
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struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *ops,
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const struct vport_parms *parms)
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const struct vport_parms *parms)
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{
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struct vport *vport;
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size_t alloc_size;
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@ -397,7 +397,8 @@ int ovs_vport_get_upcall_portids(const struct vport *vport,
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*
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* Returns the portid of the target socket. Must be called with rcu_read_lock.
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*/
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u32 ovs_vport_find_upcall_portid(const struct vport *vport, struct sk_buff *skb)
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u32 ovs_vport_find_upcall_portid(const struct vport *vport,
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struct sk_buff *skb)
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{
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struct vport_portids *ids;
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u32 ids_index;
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