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