/*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <inttypes.h>
#include <sys/types.h>
-#include <netinet/in.h>
#include <stdint.h>
#include <string.h>
#include "compiler.h"
-#include "geneve.h"
+#include "openvswitch/geneve.h"
+#include "openvswitch/packets.h"
#include "openvswitch/types.h"
#include "odp-netlink.h"
#include "random.h"
struct dp_packet;
struct ds;
-/* Tunnel information used in flow key and metadata. */
-struct flow_tnl {
- ovs_be32 ip_dst;
- struct in6_addr ipv6_dst;
- ovs_be32 ip_src;
- struct in6_addr ipv6_src;
- ovs_be64 tun_id;
- uint16_t flags;
- uint8_t ip_tos;
- uint8_t ip_ttl;
- ovs_be16 tp_src;
- ovs_be16 tp_dst;
- ovs_be16 gbp_id;
- uint8_t gbp_flags;
- uint8_t pad1[5]; /* Pad to 64 bits. */
- struct tun_metadata metadata;
-};
-
-/* Some flags are exposed through OpenFlow while others are used only
- * internally. */
-
-/* Public flags */
-#define FLOW_TNL_F_OAM (1 << 0)
-
-#define FLOW_TNL_PUB_F_MASK ((1 << 1) - 1)
-
-/* Private flags */
-#define FLOW_TNL_F_DONT_FRAGMENT (1 << 1)
-#define FLOW_TNL_F_CSUM (1 << 2)
-#define FLOW_TNL_F_KEY (1 << 3)
-
-#define FLOW_TNL_F_MASK ((1 << 4) - 1)
-
/* Purely internal to OVS userspace. These flags should never be exposed to
* the outside world and so aren't included in the flags mask. */
return a_size == flow_tnl_size(b) && !memcmp(a, b, a_size);
}
-/* Unfortunately, a "struct flow" sometimes has to handle OpenFlow port
- * numbers and other times datapath (dpif) port numbers. This union allows
- * access to both. */
-union flow_in_port {
- odp_port_t odp_port;
- ofp_port_t ofp_port;
-};
-
/* Datapath packet metadata */
struct pkt_metadata {
uint32_t recirc_id; /* Recirculation id carried with the
* be uninitialized. */
};
+static inline void
+pkt_metadata_init_tnl(struct pkt_metadata *md)
+{
+ /* Zero up through the tunnel metadata options. The length and table
+ * are before this and as long as they are empty, the options won't
+ * be looked at. */
+ memset(md, 0, offsetof(struct pkt_metadata, tunnel.metadata.opts));
+}
+
static inline void
pkt_metadata_init(struct pkt_metadata *md, odp_port_t port)
{
OVS_WARN_UNUSED_RESULT;
char *ip_parse_cidr(const char *s, ovs_be32 *ip, unsigned int *plen)
OVS_WARN_UNUSED_RESULT;
+char *ip_parse_masked_len(const char *s, int *n, ovs_be32 *ip, ovs_be32 *mask)
+ OVS_WARN_UNUSED_RESULT;
+char *ip_parse_cidr_len(const char *s, int *n, ovs_be32 *ip,
+ unsigned int *plen)
+ OVS_WARN_UNUSED_RESULT;
#define IP_VER(ip_ihl_ver) ((ip_ihl_ver) >> 4)
#define IP_IHL(ip_ihl_ver) ((ip_ihl_ver) & 15)
#define IP_ECN_MASK 0x03
#define IP_DSCP_MASK 0xfc
+static inline int
+IP_ECN_is_ce(uint8_t dsfield)
+{
+ return (dsfield & IP_ECN_MASK) == IP_ECN_CE;
+}
+
#define IP_VERSION 4
#define IP_DONT_FRAGMENT 0x4000 /* Don't fragment. */
memcpy(&addr->s6_addr[13], &ip6->s6_addr[13], 3);
}
+/*
+ * Generates ipv6 link local address from the given eth addr
+ * with prefix 'fe80::/64' and stores it in 'lla'
+ */
+static inline void
+in6_generate_lla(struct eth_addr ea, struct in6_addr *lla)
+{
+ union ovs_16aligned_in6_addr *taddr = (void *) lla;
+ memset(taddr->be16, 0, sizeof(taddr->be16));
+ taddr->be16[0] = htons(0xfe80);
+ taddr->be16[4] = htons(((ea.ea[0] ^ 0x02) << 8) | ea.ea[1]);
+ taddr->be16[5] = htons(ea.ea[2] << 8 | 0x00ff);
+ taddr->be16[6] = htons(0xfe << 8 | ea.ea[3]);
+ taddr->be16[7] = ea.be16[2];
+}
+
static inline void
ipv6_multicast_to_ethernet(struct eth_addr *eth, const struct in6_addr *ip6)
{
struct in6_addr *mask);
char *ipv6_parse_cidr(const char *s, struct in6_addr *ip, unsigned int *plen)
OVS_WARN_UNUSED_RESULT;
+char *ipv6_parse_masked_len(const char *s, int *n, struct in6_addr *ipv6,
+ struct in6_addr *mask);
+char *ipv6_parse_cidr_len(const char *s, int *n, struct in6_addr *ip,
+ unsigned int *plen)
+ OVS_WARN_UNUSED_RESULT;
void *eth_compose(struct dp_packet *, const struct eth_addr eth_dst,
const struct eth_addr eth_src, uint16_t eth_type,
unsigned int oui, uint16_t snap_type, size_t size);
void packet_set_ipv4(struct dp_packet *, ovs_be32 src, ovs_be32 dst, uint8_t tos,
uint8_t ttl);
-void packet_set_ipv6(struct dp_packet *, uint8_t proto, const ovs_be32 src[4],
+void packet_set_ipv6(struct dp_packet *, const ovs_be32 src[4],
const ovs_be32 dst[4], uint8_t tc,
ovs_be32 fl, uint8_t hlmit);
void packet_set_tcp_port(struct dp_packet *, ovs_be16 src, ovs_be16 dst);
void packet_format_tcp_flags(struct ds *, uint16_t);
const char *packet_tcp_flag_to_string(uint32_t flag);
+void compose_arp__(struct dp_packet *);
void compose_arp(struct dp_packet *, uint16_t arp_op,
const struct eth_addr arp_sha,
const struct eth_addr arp_tha, bool broadcast,
void compose_nd(struct dp_packet *, const struct eth_addr eth_src,
struct in6_addr *, struct in6_addr *);
uint32_t packet_csum_pseudoheader(const struct ip_header *);
+void IP_ECN_set_ce(struct dp_packet *pkt, bool is_ipv6);
#endif /* packets.h */
projects / cascardo / ovs.git / blobdiff