#include "nx-match.h"
+#include <netinet/icmp6.h>
+
#include "classifier.h"
#include "dynamic-string.h"
#include "ofp-util.h"
/* For each NXM_* field, define NFI_NXM_* as consecutive integers starting from
* zero. */
enum nxm_field_index {
-#define DEFINE_FIELD(HEADER, WILDCARD, DL_TYPE, NW_PROTO, WRITABLE) \
+#define DEFINE_FIELD(HEADER, WILDCARD, DL_TYPES, NW_PROTO, WRITABLE) \
NFI_NXM_##HEADER,
#include "nx-match.def"
N_NXM_FIELDS
struct nxm_field {
struct hmap_node hmap_node;
- enum nxm_field_index index; /* NFI_* value. */
- uint32_t header; /* NXM_* value. */
- flow_wildcards_t wildcard; /* FWW_* bit, if exactly one. */
- ovs_be16 dl_type; /* dl_type prerequisite, if nonzero. */
- uint8_t nw_proto; /* nw_proto prerequisite, if nonzero. */
- const char *name; /* "NXM_*" string. */
- bool writable; /* Writable with NXAST_REG_{MOVE,LOAD}? */
+ enum nxm_field_index index; /* NFI_* value. */
+ uint32_t header; /* NXM_* value. */
+ flow_wildcards_t wildcard; /* FWW_* bit, if exactly one. */
+ ovs_be16 dl_type[N_NXM_DL_TYPES]; /* dl_type prerequisites. */
+ uint8_t nw_proto; /* nw_proto prerequisite, if nonzero. */
+ const char *name; /* "NXM_*" string. */
+ bool writable; /* Writable with NXAST_REG_{MOVE,LOAD}? */
};
+
/* All the known fields. */
static struct nxm_field nxm_fields[N_NXM_FIELDS] = {
-#define DEFINE_FIELD(HEADER, WILDCARD, DL_TYPE, NW_PROTO, WRITABLE) \
+#define DEFINE_FIELD(HEADER, WILDCARD, DL_TYPES, NW_PROTO, WRITABLE) \
{ HMAP_NODE_NULL_INITIALIZER, NFI_NXM_##HEADER, NXM_##HEADER, WILDCARD, \
- CONSTANT_HTONS(DL_TYPE), NW_PROTO, "NXM_" #HEADER, WRITABLE },
+ DL_CONVERT DL_TYPES, NW_PROTO, "NXM_" #HEADER, WRITABLE },
+#define DL_CONVERT(T1, T2) { CONSTANT_HTONS(T1), CONSTANT_HTONS(T2) }
#include "nx-match.def"
};
return 0;
}
+ /* IPv6 addresses. */
+ case NFI_NXM_NX_IPV6_SRC:
+ if (!ipv6_mask_is_any(&wc->ipv6_src_mask)) {
+ return NXM_DUP_TYPE;
+ } else {
+ struct in6_addr ipv6;
+ memcpy(&ipv6, value, sizeof ipv6);
+ cls_rule_set_ipv6_src(rule, &ipv6);
+ return 0;
+ }
+ case NFI_NXM_NX_IPV6_SRC_W:
+ if (!ipv6_mask_is_any(&wc->ipv6_src_mask)) {
+ return NXM_DUP_TYPE;
+ } else {
+ struct in6_addr ipv6, netmask;
+ memcpy(&ipv6, value, sizeof ipv6);
+ memcpy(&netmask, mask, sizeof netmask);
+ if (!cls_rule_set_ipv6_src_masked(rule, &ipv6, &netmask)) {
+ return NXM_BAD_MASK;
+ }
+ return 0;
+ }
+ case NFI_NXM_NX_IPV6_DST:
+ if (!ipv6_mask_is_any(&wc->ipv6_dst_mask)) {
+ return NXM_DUP_TYPE;
+ } else {
+ struct in6_addr ipv6;
+ memcpy(&ipv6, value, sizeof ipv6);
+ cls_rule_set_ipv6_dst(rule, &ipv6);
+ return 0;
+ }
+ case NFI_NXM_NX_IPV6_DST_W:
+ if (!ipv6_mask_is_any(&wc->ipv6_dst_mask)) {
+ return NXM_DUP_TYPE;
+ } else {
+ struct in6_addr ipv6, netmask;
+ memcpy(&ipv6, value, sizeof ipv6);
+ memcpy(&netmask, mask, sizeof netmask);
+ if (!cls_rule_set_ipv6_dst_masked(rule, &ipv6, &netmask)) {
+ return NXM_BAD_MASK;
+ }
+ return 0;
+ }
+
/* TCP header. */
case NFI_NXM_OF_TCP_SRC:
flow->tp_src = get_unaligned_be16(value);
flow->tp_dst = htons(*(uint8_t *) value);
return 0;
+ /* ICMPv6 header. */
+ case NFI_NXM_NX_ICMPV6_TYPE:
+ flow->tp_src = htons(*(uint8_t *) value);
+ return 0;
+ case NFI_NXM_NX_ICMPV6_CODE:
+ flow->tp_dst = htons(*(uint8_t *) value);
+ return 0;
+
+ /* IPv6 Neighbor Discovery. */
+ case NFI_NXM_NX_ND_TARGET:
+ /* We've already verified that it's an ICMPv6 message. */
+ if ((flow->tp_src != htons(ND_NEIGHBOR_SOLICIT))
+ && (flow->tp_src != htons(ND_NEIGHBOR_ADVERT))) {
+ return NXM_BAD_PREREQ;
+ }
+ memcpy(&flow->nd_target, value, sizeof flow->nd_target);
+ return 0;
+ case NFI_NXM_NX_ND_SLL:
+ /* We've already verified that it's an ICMPv6 message. */
+ if (flow->tp_src != htons(ND_NEIGHBOR_SOLICIT)) {
+ return NXM_BAD_PREREQ;
+ }
+ memcpy(flow->arp_sha, value, ETH_ADDR_LEN);
+ return 0;
+ case NFI_NXM_NX_ND_TLL:
+ /* We've already verified that it's an ICMPv6 message. */
+ if (flow->tp_src != htons(ND_NEIGHBOR_ADVERT)) {
+ return NXM_BAD_PREREQ;
+ }
+ memcpy(flow->arp_tha, value, ETH_ADDR_LEN);
+ return 0;
+
/* ARP header. */
case NFI_NXM_OF_ARP_OP:
if (ntohs(get_unaligned_be16(value)) > 255) {
static bool
nxm_prereqs_ok(const struct nxm_field *field, const struct flow *flow)
{
- return (!field->dl_type
- || (field->dl_type == flow->dl_type
- && (!field->nw_proto || field->nw_proto == flow->nw_proto)));
+ if (field->nw_proto && field->nw_proto != flow->nw_proto) {
+ return false;
+ }
+
+ if (!field->dl_type[0]) {
+ return true;
+ } else if (field->dl_type[0] == flow->dl_type) {
+ return true;
+ } else if (field->dl_type[1] && field->dl_type[1] == flow->dl_type) {
+ return true;
+ }
+
+ return false;
}
static uint32_t
}
}
+static void
+nxm_put_ipv6(struct ofpbuf *b, uint32_t header,
+ const struct in6_addr *value, const struct in6_addr *mask)
+{
+ if (ipv6_mask_is_any(mask)) {
+ return;
+ } else if (ipv6_mask_is_exact(mask)) {
+ nxm_put_header(b, header);
+ ofpbuf_put(b, value, sizeof *value);
+ } else {
+ nxm_put_header(b, NXM_MAKE_WILD_HEADER(header));
+ ofpbuf_put(b, value, sizeof *value);
+ ofpbuf_put(b, mask, sizeof *mask);
+ }
+}
+
/* Appends to 'b' the nx_match format that expresses 'cr' (except for
* 'cr->priority', because priority is not part of nx_match), plus enough
* zero bytes to pad the nx_match out to a multiple of 8.
break;
}
}
+ } else if (!(wc & FWW_DL_TYPE) && flow->dl_type == htons(ETH_TYPE_IPV6)) {
+ /* IPv6. */
+
+ if (!(wc & FWW_NW_TOS)) {
+ nxm_put_8(b, NXM_OF_IP_TOS, flow->nw_tos & 0xfc);
+ }
+ nxm_put_ipv6(b, NXM_NX_IPV6_SRC, &flow->ipv6_src,
+ &cr->wc.ipv6_src_mask);
+ nxm_put_ipv6(b, NXM_NX_IPV6_DST, &flow->ipv6_dst,
+ &cr->wc.ipv6_dst_mask);
+
+ if (!(wc & FWW_NW_PROTO)) {
+ nxm_put_8(b, NXM_OF_IP_PROTO, flow->nw_proto);
+ switch (flow->nw_proto) {
+ /* TCP. */
+ case IPPROTO_TCP:
+ if (!(wc & FWW_TP_SRC)) {
+ nxm_put_16(b, NXM_OF_TCP_SRC, flow->tp_src);
+ }
+ if (!(wc & FWW_TP_DST)) {
+ nxm_put_16(b, NXM_OF_TCP_DST, flow->tp_dst);
+ }
+ break;
+
+ /* UDP. */
+ case IPPROTO_UDP:
+ if (!(wc & FWW_TP_SRC)) {
+ nxm_put_16(b, NXM_OF_UDP_SRC, flow->tp_src);
+ }
+ if (!(wc & FWW_TP_DST)) {
+ nxm_put_16(b, NXM_OF_UDP_DST, flow->tp_dst);
+ }
+ break;
+
+ /* ICMPv6. */
+ case IPPROTO_ICMPV6:
+ if (!(wc & FWW_TP_SRC)) {
+ nxm_put_8(b, NXM_NX_ICMPV6_TYPE, ntohs(flow->tp_src));
+ }
+ if (!(wc & FWW_TP_DST)) {
+ nxm_put_8(b, NXM_NX_ICMPV6_CODE, ntohs(flow->tp_dst));
+ }
+ if (!(wc & FWW_ND_TARGET)) {
+ nxm_put_ipv6(b, NXM_NX_ND_TARGET, &flow->nd_target,
+ &in6addr_exact);
+ }
+ if (!(wc & FWW_ARP_SHA)) {
+ nxm_put_eth(b, NXM_NX_ND_SLL, flow->arp_sha);
+ }
+ if (!(wc & FWW_ARP_THA)) {
+ nxm_put_eth(b, NXM_NX_ND_TLL, flow->arp_tha);
+ }
+ break;
+ }
+ }
} else if (!(wc & FWW_DL_TYPE) && flow->dl_type == htons(ETH_TYPE_ARP)) {
/* ARP. */
if (!(wc & FWW_NW_PROTO)) {
return ntohs(flow->tp_dst);
case NFI_NXM_OF_ICMP_TYPE:
+ case NFI_NXM_NX_ICMPV6_TYPE:
return ntohs(flow->tp_src) & 0xff;
case NFI_NXM_OF_ICMP_CODE:
+ case NFI_NXM_NX_ICMPV6_CODE:
return ntohs(flow->tp_dst) & 0xff;
case NFI_NXM_NX_TUN_ID:
#endif
case NFI_NXM_NX_ARP_SHA:
+ case NFI_NXM_NX_ND_SLL:
return eth_addr_to_uint64(flow->arp_sha);
case NFI_NXM_NX_ARP_THA:
+ case NFI_NXM_NX_ND_TLL:
return eth_addr_to_uint64(flow->arp_tha);
case NFI_NXM_NX_TUN_ID_W:
case NFI_NXM_OF_IP_DST_W:
case NFI_NXM_OF_ARP_SPA_W:
case NFI_NXM_OF_ARP_TPA_W:
+ case NFI_NXM_NX_IPV6_SRC:
+ case NFI_NXM_NX_IPV6_SRC_W:
+ case NFI_NXM_NX_IPV6_DST:
+ case NFI_NXM_NX_IPV6_DST_W:
+ case NFI_NXM_NX_ND_TARGET:
case N_NXM_FIELDS:
NOT_REACHED();
}
case NFI_NXM_OF_ARP_TPA_W:
case NFI_NXM_NX_ARP_SHA:
case NFI_NXM_NX_ARP_THA:
+ case NFI_NXM_NX_IPV6_SRC:
+ case NFI_NXM_NX_IPV6_SRC_W:
+ case NFI_NXM_NX_IPV6_DST:
+ case NFI_NXM_NX_IPV6_DST_W:
+ case NFI_NXM_NX_ICMPV6_TYPE:
+ case NFI_NXM_NX_ICMPV6_CODE:
+ case NFI_NXM_NX_ND_TARGET:
+ case NFI_NXM_NX_ND_SLL:
+ case NFI_NXM_NX_ND_TLL:
case N_NXM_FIELDS:
NOT_REACHED();
}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff