tcp: fix outsegs stat for TSO segments

Account for TSO segments of an skb in TCP_MIB_OUTSEGS counter.  Without
doing this, the counter can be off by orders of magnitude from the
actual number of segments sent.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 3 insertions, 0 deletions

diff --git a/include/net/snmp.h b/include/net/snmp.h
index 884fdbb74b23..92456f1035f5 100644
--- a/include/net/snmp.h
+++ b/include/net/snmp.h
@@ -133,6 +133,8 @@ struct linux_xfrm_mib {
                         __this_cpu_add(mib[0]->mibs[field], addend)
 #define SNMP_ADD_STATS_USER(mib, field, addend) \
                         this_cpu_add(mib[1]->mibs[field], addend)
+#define SNMP_ADD_STATS(mib, field, addend)      \
+                        this_cpu_add(mib[0]->mibs[field], addend)
 /*
  * Use "__typeof__(*mib[0]) *ptr" instead of "__typeof__(mib[0]) ptr"
  * to make @ptr a non-percpu pointer.
diff --git a/include/net/tcp.h b/include/net/tcp.h
index b7d83d204a93..3f87fd87bc9c 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -294,6 +294,7 @@ extern struct proto tcp_prot;
 #define TCP_INC_STATS_BH(net, field)    SNMP_INC_STATS_BH((net)->mib.tcp_statistics, field)
 #define TCP_DEC_STATS(net, field)       SNMP_DEC_STATS((net)->mib.tcp_statistics, field)
 #define TCP_ADD_STATS_USER(net, field, val) SNMP_ADD_STATS_USER((net)->mib.tcp_statistics, field, val)
+#define TCP_ADD_STATS(net, field, val)  SNMP_ADD_STATS((net)->mib.tcp_statistics, field, val)
 
 extern void                     tcp_v4_err(struct sk_buff *skb, u32);