diff options
author | Andy Zhou <azhou@nicira.com> | 2014-09-16 17:31:16 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-09-19 15:57:15 -0400 |
commit | fd384412e199b62c3ddaabd18dce86d0e164c5b9 (patch) | |
tree | 88c3a930da306688b23767a2be6ac2826e5826b5 /net/ipv6 | |
parent | 79ba2b4c5d3779d68b4cd3a569d483f1778f2b5a (diff) | |
download | linux-fd384412e199b62c3ddaabd18dce86d0e164c5b9.tar.bz2 |
udp_tunnel: Seperate ipv6 functions into its own file.
Add ip6_udp_tunnel.c for ipv6 UDP tunnel functions to avoid ifdefs
in udp_tunnel.c
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/Makefile | 1 | ||||
-rw-r--r-- | net/ipv6/ip6_udp_tunnel.c | 63 |
2 files changed, 64 insertions, 0 deletions
diff --git a/net/ipv6/Makefile b/net/ipv6/Makefile index 2fe68364bb20..45f830e5f820 100644 --- a/net/ipv6/Makefile +++ b/net/ipv6/Makefile @@ -35,6 +35,7 @@ obj-$(CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION) += xfrm6_mode_ro.o obj-$(CONFIG_INET6_XFRM_MODE_BEET) += xfrm6_mode_beet.o obj-$(CONFIG_IPV6_MIP6) += mip6.o obj-$(CONFIG_NETFILTER) += netfilter/ +obj-$(CONFIG_NET_UDP_TUNNEL) += ip6_udp_tunnel.o obj-$(CONFIG_IPV6_VTI) += ip6_vti.o obj-$(CONFIG_IPV6_SIT) += sit.o diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c new file mode 100644 index 000000000000..bcfbb4b496fc --- /dev/null +++ b/net/ipv6/ip6_udp_tunnel.c @@ -0,0 +1,63 @@ +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/socket.h> +#include <linux/udp.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/in6.h> +#include <net/udp.h> +#include <net/udp_tunnel.h> +#include <net/net_namespace.h> +#include <net/netns/generic.h> +#include <net/ip6_tunnel.h> +#include <net/ip6_checksum.h> + +int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg, + struct socket **sockp) +{ + struct sockaddr_in6 udp6_addr; + int err; + struct socket *sock = NULL; + + err = sock_create_kern(AF_INET6, SOCK_DGRAM, 0, &sock); + if (err < 0) + goto error; + + sk_change_net(sock->sk, net); + + udp6_addr.sin6_family = AF_INET6; + memcpy(&udp6_addr.sin6_addr, &cfg->local_ip6, + sizeof(udp6_addr.sin6_addr)); + udp6_addr.sin6_port = cfg->local_udp_port; + err = kernel_bind(sock, (struct sockaddr *)&udp6_addr, + sizeof(udp6_addr)); + if (err < 0) + goto error; + + if (cfg->peer_udp_port) { + udp6_addr.sin6_family = AF_INET6; + memcpy(&udp6_addr.sin6_addr, &cfg->peer_ip6, + sizeof(udp6_addr.sin6_addr)); + udp6_addr.sin6_port = cfg->peer_udp_port; + err = kernel_connect(sock, + (struct sockaddr *)&udp6_addr, + sizeof(udp6_addr), 0); + } + if (err < 0) + goto error; + + udp_set_no_check6_tx(sock->sk, !cfg->use_udp6_tx_checksums); + udp_set_no_check6_rx(sock->sk, !cfg->use_udp6_rx_checksums); + + *sockp = sock; + return 0; + +error: + if (sock) { + kernel_sock_shutdown(sock, SHUT_RDWR); + sk_release_kernel(sock->sk); + } + *sockp = NULL; + return err; +} +EXPORT_SYMBOL_GPL(udp_sock_create6); |