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Commit f61dd388 authored by Pravin B Shelar's avatar Pravin B Shelar Committed by David S. Miller
Browse files

Tunneling: use IP Tunnel stats APIs. 



Use common function get calculate rtnl_link_stats64 stats.

Signed-off-by: default avatarPravin B Shelar <pshelar@nicira.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 206aaafc

net/ipv4/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -319,6 +319,7 @@ config SYN_COOKIES 
config NET_IPVTI

	tristate "Virtual (secure) IP: tunneling"

	select INET_TUNNEL

	select NET_IP_TUNNEL

	depends on INET_XFRM_MODE_TUNNEL

	---help---

	  Tunneling means encapsulating data of one protocol type within

net/ipv4/ip_vti.c

+1 −39
Original line number Diff line number Diff line
@@ -82,44 +82,6 @@ static int vti_tunnel_bind_dev(struct net_device *dev); 
} while (0)





static struct rtnl_link_stats64 *vti_get_stats64(struct net_device *dev,

						 struct rtnl_link_stats64 *tot)

{

	int i;



	for_each_possible_cpu(i) {

		const struct pcpu_tstats *tstats = per_cpu_ptr(dev->tstats, i);

		u64 rx_packets, rx_bytes, tx_packets, tx_bytes;

		unsigned int start;



		do {

			start = u64_stats_fetch_begin_bh(&tstats->syncp);

			rx_packets = tstats->rx_packets;

			tx_packets = tstats->tx_packets;

			rx_bytes = tstats->rx_bytes;

			tx_bytes = tstats->tx_bytes;

		} while (u64_stats_fetch_retry_bh(&tstats->syncp, start));



		tot->rx_packets += rx_packets;

		tot->tx_packets += tx_packets;

		tot->rx_bytes   += rx_bytes;

		tot->tx_bytes   += tx_bytes;

	}



	tot->multicast = dev->stats.multicast;

	tot->rx_crc_errors = dev->stats.rx_crc_errors;

	tot->rx_fifo_errors = dev->stats.rx_fifo_errors;

	tot->rx_length_errors = dev->stats.rx_length_errors;

	tot->rx_errors = dev->stats.rx_errors;

	tot->tx_fifo_errors = dev->stats.tx_fifo_errors;

	tot->tx_carrier_errors = dev->stats.tx_carrier_errors;

	tot->tx_dropped = dev->stats.tx_dropped;

	tot->tx_aborted_errors = dev->stats.tx_aborted_errors;

	tot->tx_errors = dev->stats.tx_errors;



	return tot;

}



static struct ip_tunnel *vti_tunnel_lookup(struct net *net,

					   __be32 remote, __be32 local)

{
@@ -597,7 +559,7 @@ static const struct net_device_ops vti_netdev_ops = { 
	.ndo_start_xmit	= vti_tunnel_xmit,

	.ndo_do_ioctl	= vti_tunnel_ioctl,

	.ndo_change_mtu	= vti_tunnel_change_mtu,

	.ndo_get_stats64 = vti_get_stats64,

	.ndo_get_stats64 = ip_tunnel_get_stats64,

};



static void vti_dev_free(struct net_device *dev)

net/ipv6/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -156,6 +156,7 @@ config INET6_XFRM_MODE_ROUTEOPTIMIZATION 
config IPV6_SIT

	tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)"

	select INET_TUNNEL

	select NET_IP_TUNNEL

	select IPV6_NDISC_NODETYPE

	default y

	---help---
@@ -201,6 +202,7 @@ config IPV6_TUNNEL 
config IPV6_GRE

	tristate "IPv6: GRE tunnel"

	select IPV6_TUNNEL

	select NET_IP_TUNNEL

	---help---

	  Tunneling means encapsulating data of one protocol type within

	  another protocol and sending it over a channel that understands the

net/ipv6/ip6_gre.c

+2 −42
Original line number Diff line number Diff line
@@ -111,46 +111,6 @@ static u32 HASH_ADDR(const struct in6_addr *addr) 
#define tunnels_l	tunnels[1]

#define tunnels_wc	tunnels[0]



static struct rtnl_link_stats64 *ip6gre_get_stats64(struct net_device *dev,

		struct rtnl_link_stats64 *tot)

{

	int i;



	for_each_possible_cpu(i) {

		const struct pcpu_tstats *tstats = per_cpu_ptr(dev->tstats, i);

		u64 rx_packets, rx_bytes, tx_packets, tx_bytes;

		unsigned int start;



		do {

			start = u64_stats_fetch_begin_bh(&tstats->syncp);

			rx_packets = tstats->rx_packets;

			tx_packets = tstats->tx_packets;

			rx_bytes = tstats->rx_bytes;

			tx_bytes = tstats->tx_bytes;

		} while (u64_stats_fetch_retry_bh(&tstats->syncp, start));



		tot->rx_packets += rx_packets;

		tot->tx_packets += tx_packets;

		tot->rx_bytes   += rx_bytes;

		tot->tx_bytes   += tx_bytes;

	}



	tot->multicast = dev->stats.multicast;

	tot->rx_crc_errors = dev->stats.rx_crc_errors;

	tot->rx_fifo_errors = dev->stats.rx_fifo_errors;

	tot->rx_length_errors = dev->stats.rx_length_errors;

	tot->rx_frame_errors = dev->stats.rx_frame_errors;

	tot->rx_errors = dev->stats.rx_errors;



	tot->tx_fifo_errors = dev->stats.tx_fifo_errors;

	tot->tx_carrier_errors = dev->stats.tx_carrier_errors;

	tot->tx_dropped = dev->stats.tx_dropped;

	tot->tx_aborted_errors = dev->stats.tx_aborted_errors;

	tot->tx_errors = dev->stats.tx_errors;



	return tot;

}



/* Given src, dst and key, find appropriate for input tunnel. */



static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
@@ -1257,7 +1217,7 @@ static const struct net_device_ops ip6gre_netdev_ops = { 
	.ndo_start_xmit		= ip6gre_tunnel_xmit,

	.ndo_do_ioctl		= ip6gre_tunnel_ioctl,

	.ndo_change_mtu		= ip6gre_tunnel_change_mtu,

	.ndo_get_stats64	= ip6gre_get_stats64,

	.ndo_get_stats64	= ip_tunnel_get_stats64,

};



static void ip6gre_dev_free(struct net_device *dev)
@@ -1506,7 +1466,7 @@ static const struct net_device_ops ip6gre_tap_netdev_ops = { 
	.ndo_set_mac_address = eth_mac_addr,

	.ndo_validate_addr = eth_validate_addr,

	.ndo_change_mtu = ip6gre_tunnel_change_mtu,

	.ndo_get_stats64 = ip6gre_get_stats64,

	.ndo_get_stats64 = ip_tunnel_get_stats64,

};



static void ip6gre_tap_setup(struct net_device *dev)

net/ipv6/sit.c

+1 −36
Original line number Diff line number Diff line
@@ -87,41 +87,6 @@ struct sit_net { 
	struct net_device *fb_tunnel_dev;

};



static struct rtnl_link_stats64 *ipip6_get_stats64(struct net_device *dev,

						   struct rtnl_link_stats64 *tot)

{

	int i;



	for_each_possible_cpu(i) {

		const struct pcpu_tstats *tstats = per_cpu_ptr(dev->tstats, i);

		u64 rx_packets, rx_bytes, tx_packets, tx_bytes;

		unsigned int start;



		do {

			start = u64_stats_fetch_begin_bh(&tstats->syncp);

			rx_packets = tstats->rx_packets;

			tx_packets = tstats->tx_packets;

			rx_bytes = tstats->rx_bytes;

			tx_bytes = tstats->tx_bytes;

		} while (u64_stats_fetch_retry_bh(&tstats->syncp, start));



		tot->rx_packets += rx_packets;

		tot->tx_packets += tx_packets;

		tot->rx_bytes   += rx_bytes;

		tot->tx_bytes   += tx_bytes;

	}



	tot->rx_errors = dev->stats.rx_errors;

	tot->rx_frame_errors = dev->stats.rx_frame_errors;

	tot->tx_fifo_errors = dev->stats.tx_fifo_errors;

	tot->tx_carrier_errors = dev->stats.tx_carrier_errors;

	tot->tx_dropped = dev->stats.tx_dropped;

	tot->tx_aborted_errors = dev->stats.tx_aborted_errors;

	tot->tx_errors = dev->stats.tx_errors;



	return tot;

}



/*

 * Must be invoked with rcu_read_lock

 */
@@ -1202,7 +1167,7 @@ static const struct net_device_ops ipip6_netdev_ops = { 
	.ndo_start_xmit	= ipip6_tunnel_xmit,

	.ndo_do_ioctl	= ipip6_tunnel_ioctl,

	.ndo_change_mtu	= ipip6_tunnel_change_mtu,

	.ndo_get_stats64= ipip6_get_stats64,

	.ndo_get_stats64 = ip_tunnel_get_stats64,

};



static void ipip6_dev_free(struct net_device *dev)