[PATCH 20/22] IPVS: netns, svc counters moved in ip_vs_ctl,c

[Simon Horman <horms@xxxxxxxxxxxx>]

From: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>

Last two global vars to be moved,
ip_vs_ftpsvc_counter and ip_vs_nullsvc_counter.

Signed-off-by: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
 include/net/netns/ip_vs.h      |    4 ++++
 net/netfilter/ipvs/ip_vs_ctl.c |   21 +++++++++------------
 2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
index 67ca1cf..48d7f54 100644
--- a/include/net/netns/ip_vs.h
+++ b/include/net/netns/ip_vs.h
@@ -70,6 +70,7 @@ struct netns_ipvs {
        seqcount_t                      *ustats_seq; /* u64 read retry */
 
        int                     num_services;    /* no of virtual services */
+
        /* 1/rate drop and drop-entry variables */
        struct delayed_work     defense_work;   /* Work handler */
        int                     drop_rate;
@@ -84,6 +85,9 @@ struct netns_ipvs {
        struct lock_class_key   ctl_key;        /* ctl_mutex debuging */
        /* Trash for destinations */
        struct list_head        dest_trash;
+       /* Service counters */
+       atomic_t                ftpsvc_counter;
+       atomic_t                nullsvc_counter;
 
        /* sys-ctl struct */
        struct ctl_table_header *sysctl_hdr;
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index f99f075..090eba7 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -256,12 +256,6 @@ static struct list_head 
ip_vs_svc_table[IP_VS_SVC_TAB_SIZE];
 /* the service table hashed by fwmark */
 static struct list_head ip_vs_svc_fwm_table[IP_VS_SVC_TAB_SIZE];
 
-/*
- *     FTP & NULL virtual service counters
- */
-static atomic_t ip_vs_ftpsvc_counter = ATOMIC_INIT(0);
-static atomic_t ip_vs_nullsvc_counter = ATOMIC_INIT(0);
-
 
 /*
  *     Returns hash value for virtual service
@@ -411,6 +405,7 @@ ip_vs_service_get(struct net *net, int af, __u32 fwmark, 
__u16 protocol,
                  const union nf_inet_addr *vaddr, __be16 vport)
 {
        struct ip_vs_service *svc;
+       struct netns_ipvs *ipvs = net_ipvs(net);
 
        read_lock(&__ip_vs_svc_lock);
 
@@ -429,7 +424,7 @@ ip_vs_service_get(struct net *net, int af, __u32 fwmark, 
__u16 protocol,
 
        if (svc == NULL
            && protocol == IPPROTO_TCP
-           && atomic_read(&ip_vs_ftpsvc_counter)
+           && atomic_read(&ipvs->ftpsvc_counter)
            && (vport == FTPDATA || ntohs(vport) >= PROT_SOCK)) {
                /*
                 * Check if ftp service entry exists, the packet
@@ -439,7 +434,7 @@ ip_vs_service_get(struct net *net, int af, __u32 fwmark, 
__u16 protocol,
        }
 
        if (svc == NULL
-           && atomic_read(&ip_vs_nullsvc_counter)) {
+           && atomic_read(&ipvs->nullsvc_counter)) {
                /*
                 * Check if the catch-all port (port zero) exists
                 */
@@ -1175,9 +1170,9 @@ ip_vs_add_service(struct net *net, struct 
ip_vs_service_user_kern *u,
 
        /* Update the virtual service counters */
        if (svc->port == FTPPORT)
-               atomic_inc(&ip_vs_ftpsvc_counter);
+               atomic_inc(&ipvs->ftpsvc_counter);
        else if (svc->port == 0)
-               atomic_inc(&ip_vs_nullsvc_counter);
+               atomic_inc(&ipvs->nullsvc_counter);
 
        ip_vs_new_estimator(net, &svc->stats);
 
@@ -1361,9 +1356,9 @@ static void __ip_vs_del_service(struct ip_vs_service *svc)
         *    Update the virtual service counters
         */
        if (svc->port == FTPPORT)
-               atomic_dec(&ip_vs_ftpsvc_counter);
+               atomic_dec(&ipvs->ftpsvc_counter);
        else if (svc->port == 0)
-               atomic_dec(&ip_vs_nullsvc_counter);
+               atomic_dec(&ipvs->nullsvc_counter);
 
        /*
         *    Free the service if nobody refers to it
@@ -3503,6 +3498,8 @@ int __net_init __ip_vs_control_init(struct net *net)
                INIT_LIST_HEAD(&ipvs->rs_table[idx]);
 
        INIT_LIST_HEAD(&ipvs->dest_trash);
+       atomic_set(&ipvs->ftpsvc_counter, 0);
+       atomic_set(&ipvs->nullsvc_counter, 0);
 
        /* procfs stats */
        ipvs->tot_stats = kzalloc(sizeof(struct ip_vs_stats), GFP_KERNEL);
-- 
1.7.2.3

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