#include "connectivity.h"
#include "csum.h"
#include "dpif.h"
-#include "dynamic-string.h"
+#include "openvswitch/dynamic-string.h"
#include "fat-rwlock.h"
#include "hash.h"
-#include "hmap.h"
+#include "openvswitch/hmap.h"
#include "netdev.h"
#include "odp-util.h"
-#include "ofpbuf.h"
+#include "openvswitch/ofpbuf.h"
#include "packets.h"
#include "route-table.h"
#include "seq.h"
#include "smap.h"
#include "socket-util.h"
-#include "tnl-arp-cache.h"
#include "tnl-ports.h"
#include "tunnel.h"
#include "openvswitch/vlog.h"
VLOG_DEFINE_THIS_MODULE(tunnel);
-/* skb mark used for IPsec tunnel packets */
-#define IPSEC_MARK 1
-
struct tnl_match {
ovs_be64 in_key;
- ovs_be32 ip_src;
- ovs_be32 ip_dst;
+ struct in6_addr ipv6_src;
+ struct in6_addr ipv6_dst;
odp_port_t odp_port;
- uint32_t pkt_mark;
bool in_key_flow;
bool ip_src_flow;
bool ip_dst_flow;
tnl_port->change_seq = netdev_get_change_seq(tnl_port->netdev);
tnl_port->match.in_key = cfg->in_key;
- tnl_port->match.ip_src = cfg->ip_src;
- tnl_port->match.ip_dst = cfg->ip_dst;
+ tnl_port->match.ipv6_src = cfg->ipv6_src;
+ tnl_port->match.ipv6_dst = cfg->ipv6_dst;
tnl_port->match.ip_src_flow = cfg->ip_src_flow;
tnl_port->match.ip_dst_flow = cfg->ip_dst_flow;
- tnl_port->match.pkt_mark = cfg->ipsec ? IPSEC_MARK : 0;
tnl_port->match.in_key_flow = cfg->in_key_flow;
tnl_port->match.odp_port = odp_port;
tnl_port_mod_log(tnl_port, "adding");
if (native_tnl) {
- tnl_port_map_insert(odp_port, cfg->dst_port, name);
+ const char *type;
+
+ type = netdev_get_type(netdev);
+ tnl_port_map_insert(odp_port, cfg->dst_port, name, type);
+
}
return true;
}
netdev_get_tunnel_config(tnl_port->netdev);
struct hmap **map;
- tnl_port_map_delete(cfg->dst_port);
+ tnl_port_map_delete(cfg->dst_port, netdev_get_type(tnl_port->netdev));
tnl_port_mod_log(tnl_port, "removing");
map = tnl_match_map(&tnl_port->match);
hmap_remove(*map, &tnl_port->match_node);
return ofport;
}
-static bool
-tnl_ecn_ok(struct flow *flow, struct flow_wildcards *wc)
+/* Should be called at the beginning of action translation to initialize
+ * wildcards and perform any actions based on receiving on tunnel port.
+ *
+ * Returns false if the packet must be dropped. */
+bool
+tnl_process_ecn(struct flow *flow)
{
- if (is_ip_any(flow)) {
- if ((flow->tunnel.ip_tos & IP_ECN_MASK) == IP_ECN_CE) {
- if (wc) {
- wc->masks.nw_tos |= IP_ECN_MASK;
- }
- if ((flow->nw_tos & IP_ECN_MASK) == IP_ECN_NOT_ECT) {
- VLOG_WARN_RL(&rl, "dropping tunnel packet marked ECN CE"
- " but is not ECN capable");
- return false;
- } else {
- /* Set the ECN CE value in the tunneled packet. */
- flow->nw_tos |= IP_ECN_CE;
- }
+ if (!tnl_port_should_receive(flow)) {
+ return true;
+ }
+
+ if (is_ip_any(flow) && IP_ECN_is_ce(flow->tunnel.ip_tos)) {
+ if ((flow->nw_tos & IP_ECN_MASK) == IP_ECN_NOT_ECT) {
+ VLOG_WARN_RL(&rl, "dropping tunnel packet marked ECN CE"
+ " but is not ECN capable");
+ return false;
}
+
+ /* Set the ECN CE value in the tunneled packet. */
+ flow->nw_tos |= IP_ECN_CE;
}
return true;
}
-/* Should be called at the beginning of action translation to initialize
- * wildcards and perform any actions based on receiving on tunnel port.
- *
- * Returns false if the packet must be dropped. */
-bool
-tnl_xlate_init(struct flow *flow, struct flow_wildcards *wc)
+void
+tnl_wc_init(struct flow *flow, struct flow_wildcards *wc)
{
- /* tnl_port_should_receive() examines the 'tunnel.ip_dst' field to
- * determine the presence of the tunnel metadata. However, since tunnels'
- * datapath port numbers are different from the non-tunnel ports, and we
- * always unwildcard the 'in_port', we do not need to unwildcard
- * the 'tunnel.ip_dst' for non-tunneled packets. */
if (tnl_port_should_receive(flow)) {
- if (wc) {
- wc->masks.tunnel.tun_id = OVS_BE64_MAX;
+ wc->masks.tunnel.tun_id = OVS_BE64_MAX;
+ if (flow->tunnel.ip_dst) {
wc->masks.tunnel.ip_src = OVS_BE32_MAX;
wc->masks.tunnel.ip_dst = OVS_BE32_MAX;
- wc->masks.tunnel.flags = (FLOW_TNL_F_DONT_FRAGMENT |
- FLOW_TNL_F_CSUM |
- FLOW_TNL_F_KEY);
- wc->masks.tunnel.ip_tos = UINT8_MAX;
- wc->masks.tunnel.ip_ttl = UINT8_MAX;
- /* The tp_src and tp_dst members in flow_tnl are set to be always
- * wildcarded, not to unwildcard them here. */
- wc->masks.tunnel.tp_src = 0;
- wc->masks.tunnel.tp_dst = 0;
-
- memset(&wc->masks.pkt_mark, 0xff, sizeof wc->masks.pkt_mark);
+ } else {
+ wc->masks.tunnel.ipv6_src = in6addr_exact;
+ wc->masks.tunnel.ipv6_dst = in6addr_exact;
}
- if (!tnl_ecn_ok(flow, wc)) {
- return false;
+ wc->masks.tunnel.flags = (FLOW_TNL_F_DONT_FRAGMENT |
+ FLOW_TNL_F_CSUM |
+ FLOW_TNL_F_KEY);
+ wc->masks.tunnel.ip_tos = UINT8_MAX;
+ wc->masks.tunnel.ip_ttl = 0;
+ /* The tp_src and tp_dst members in flow_tnl are set to be always
+ * wildcarded, not to unwildcard them here. */
+ wc->masks.tunnel.tp_src = 0;
+ wc->masks.tunnel.tp_dst = 0;
+
+ if (is_ip_any(flow)
+ && IP_ECN_is_ce(flow->tunnel.ip_tos)) {
+ wc->masks.nw_tos |= IP_ECN_MASK;
}
-
- flow->pkt_mark &= ~IPSEC_MARK;
}
-
- return true;
}
/* Given that 'flow' should be output to the ofport corresponding to
}
if (!cfg->ip_src_flow) {
- flow->tunnel.ip_src = tnl_port->match.ip_src;
+ flow->tunnel.ip_src = in6_addr_get_mapped_ipv4(&tnl_port->match.ipv6_src);
+ if (!flow->tunnel.ip_src) {
+ flow->tunnel.ipv6_src = tnl_port->match.ipv6_src;
+ } else {
+ flow->tunnel.ipv6_src = in6addr_any;
+ }
}
if (!cfg->ip_dst_flow) {
- flow->tunnel.ip_dst = tnl_port->match.ip_dst;
+ flow->tunnel.ip_dst = in6_addr_get_mapped_ipv4(&tnl_port->match.ipv6_dst);
+ if (!flow->tunnel.ip_dst) {
+ flow->tunnel.ipv6_dst = tnl_port->match.ipv6_dst;
+ } else {
+ flow->tunnel.ipv6_dst = in6addr_any;
+ }
}
- flow->pkt_mark = tnl_port->match.pkt_mark;
-
+ flow->tunnel.tp_dst = cfg->dst_port;
if (!cfg->out_key_flow) {
flow->tunnel.tun_id = cfg->out_key;
}
if (is_ip_any(flow)) {
wc->masks.nw_tos |= IP_ECN_MASK;
- if ((flow->nw_tos & IP_ECN_MASK) == IP_ECN_CE) {
+ if (IP_ECN_is_ce(flow->nw_tos)) {
flow->tunnel.ip_tos |= IP_ECN_ECT_0;
} else {
flow->tunnel.ip_tos |= flow->nw_tos & IP_ECN_MASK;
* here as a description of how to treat received
* packets. */
match.in_key = in_key_flow ? 0 : flow->tunnel.tun_id;
- match.ip_src = (ip_src == IP_SRC_CFG
- ? flow->tunnel.ip_dst
- : 0);
- match.ip_dst = ip_dst_flow ? 0 : flow->tunnel.ip_src;
+ if (ip_src == IP_SRC_CFG) {
+ match.ipv6_src = flow_tnl_dst(&flow->tunnel);
+ }
+ if (!ip_dst_flow) {
+ match.ipv6_dst = flow_tnl_src(&flow->tunnel);
+ }
match.odp_port = flow->in_port.odp_port;
- match.pkt_mark = flow->pkt_mark;
match.in_key_flow = in_key_flow;
match.ip_dst_flow = ip_dst_flow;
match.ip_src_flow = ip_src == IP_SRC_FLOW;
enum ip_src_type ip_src;
ip_src = (m->ip_src_flow ? IP_SRC_FLOW
- : m->ip_src ? IP_SRC_CFG
+ : ipv6_addr_is_set(&m->ipv6_src) ? IP_SRC_CFG
: IP_SRC_ANY);
return &tnl_match_maps[6 * m->in_key_flow + 3 * m->ip_dst_flow + ip_src];
OVS_REQ_RDLOCK(rwlock)
{
if (!match->ip_dst_flow) {
- ds_put_format(ds, IP_FMT"->"IP_FMT, IP_ARGS(match->ip_src),
- IP_ARGS(match->ip_dst));
+ ipv6_format_mapped(&match->ipv6_src, ds);
+ ds_put_cstr(ds, "->");
+ ipv6_format_mapped(&match->ipv6_dst, ds);
} else if (!match->ip_src_flow) {
- ds_put_format(ds, IP_FMT"->flow", IP_ARGS(match->ip_src));
+ ipv6_format_mapped(&match->ipv6_src, ds);
+ ds_put_cstr(ds, "->flow");
} else {
ds_put_cstr(ds, "flow->flow");
}
}
ds_put_format(ds, ", dp port=%"PRIu32, match->odp_port);
- ds_put_format(ds, ", pkt mark=%"PRIu32, match->pkt_mark);
}
static void
int
tnl_port_build_header(const struct ofport_dpif *ofport,
- const struct flow *tnl_flow,
- uint8_t dmac[ETH_ADDR_LEN],
- uint8_t smac[ETH_ADDR_LEN],
- ovs_be32 ip_src, struct ovs_action_push_tnl *data)
+ struct ovs_action_push_tnl *data,
+ const struct netdev_tnl_build_header_params *params)
{
struct tnl_port *tnl_port;
- struct eth_header *eth;
- struct ip_header *ip;
- void *l3;
int res;
fat_rwlock_rdlock(&rwlock);
tnl_port = tnl_find_ofport(ofport);
ovs_assert(tnl_port);
-
- /* Build Ethernet and IP headers. */
- memset(data->header, 0, sizeof data->header);
-
- eth = (struct eth_header *)data->header;
- memcpy(eth->eth_dst, dmac, ETH_ADDR_LEN);
- memcpy(eth->eth_src, smac, ETH_ADDR_LEN);
- eth->eth_type = htons(ETH_TYPE_IP);
-
- l3 = (eth + 1);
- ip = (struct ip_header *) l3;
-
- ip->ip_ihl_ver = IP_IHL_VER(5, 4);
- ip->ip_tos = tnl_flow->tunnel.ip_tos;
- ip->ip_ttl = tnl_flow->tunnel.ip_ttl;
- ip->ip_frag_off = (tnl_flow->tunnel.flags & FLOW_TNL_F_DONT_FRAGMENT) ?
- htons(IP_DF) : 0;
-
- put_16aligned_be32(&ip->ip_src, ip_src);
- put_16aligned_be32(&ip->ip_dst, tnl_flow->tunnel.ip_dst);
-
- res = netdev_build_header(tnl_port->netdev, data, tnl_flow);
- ip->ip_csum = csum(ip, sizeof *ip);
+ res = netdev_build_header(tnl_port->netdev, data, params);
fat_rwlock_unlock(&rwlock);
return res;
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