/*
- * Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc.
+ * Copyright (c) 2009, 2010, 2011, 2012, 2013 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 <config.h>
#include "match.h"
-#include <assert.h>
#include <stdlib.h>
#include "byte-order.h"
#include "dynamic-string.h"
+#include "ofp-util.h"
#include "packets.h"
#include "vlog.h"
memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
}
+ if (flow->skb_priority) {
+ memset(&wc->masks.skb_priority, 0xff, sizeof wc->masks.skb_priority);
+ }
+
+ if (flow->skb_mark) {
+ memset(&wc->masks.skb_mark, 0xff, sizeof wc->masks.skb_mark);
+ }
+
for (i = 0; i < FLOW_N_REGS; i++) {
if (flow->regs[i]) {
memset(&wc->masks.regs[i], 0xff, sizeof wc->masks.regs[i]);
}
}
- if (flow->tunnel.ip_dst || flow->tunnel.tun_id) {
- memset(&wc->masks.tunnel.tun_id, 0xff, sizeof wc->masks.tunnel.tun_id);
+ if (flow->tunnel.ip_dst) {
+ if (flow->tunnel.flags & FLOW_TNL_F_KEY) {
+ memset(&wc->masks.tunnel.tun_id, 0xff, sizeof wc->masks.tunnel.tun_id);
+ }
memset(&wc->masks.tunnel.ip_src, 0xff, sizeof wc->masks.tunnel.ip_src);
memset(&wc->masks.tunnel.ip_dst, 0xff, sizeof wc->masks.tunnel.ip_dst);
memset(&wc->masks.tunnel.flags, 0xff, sizeof wc->masks.tunnel.flags);
memset(&wc->masks.tunnel.ip_tos, 0xff, sizeof wc->masks.tunnel.ip_tos);
memset(&wc->masks.tunnel.ip_ttl, 0xff, sizeof wc->masks.tunnel.ip_ttl);
+ } else if (flow->tunnel.tun_id) {
+ memset(&wc->masks.tunnel.tun_id, 0xff, sizeof wc->masks.tunnel.tun_id);
}
+
memset(&wc->masks.metadata, 0xff, sizeof wc->masks.metadata);
memset(&wc->masks.in_port, 0xff, sizeof wc->masks.in_port);
memset(&wc->masks.vlan_tci, 0xff, sizeof wc->masks.vlan_tci);
memset(&wc->masks.ipv6_dst, 0xff, sizeof wc->masks.ipv6_dst);
memset(&wc->masks.ipv6_label, 0xff, sizeof wc->masks.ipv6_label);
} else if (flow->dl_type == htons(ETH_TYPE_IP) ||
- (flow->dl_type == htons(ETH_TYPE_ARP))) {
+ (flow->dl_type == htons(ETH_TYPE_ARP)) ||
+ (flow->dl_type == htons(ETH_TYPE_RARP))) {
memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
}
- if (flow->dl_type == htons(ETH_TYPE_ARP)) {
+ if (flow->dl_type == htons(ETH_TYPE_ARP) ||
+ flow->dl_type == htons(ETH_TYPE_RARP)) {
memset(&wc->masks.arp_sha, 0xff, sizeof wc->masks.arp_sha);
memset(&wc->masks.arp_tha, 0xff, sizeof wc->masks.arp_tha);
}
- if (flow->dl_type == htons(ETH_TYPE_IPV6) ||
- flow->dl_type == htons(ETH_TYPE_IP)) {
+ if (is_ip_any(flow)) {
memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos);
memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl);
}
match->flow = *flow;
match->flow.skb_priority = 0;
+ match->flow.skb_mark = 0;
memset(&match->flow.tunnel, 0, sizeof match->flow.tunnel);
match->flow.tunnel.tun_id = tun_id;
flow_wildcards_init_exact(&match->wc);
match_set_reg_masked(struct match *match, unsigned int reg_idx,
uint32_t value, uint32_t mask)
{
- assert(reg_idx < FLOW_N_REGS);
+ ovs_assert(reg_idx < FLOW_N_REGS);
flow_wildcards_set_reg_mask(&match->wc, reg_idx, mask);
match->flow.regs[reg_idx] = value & mask;
}
match->flow.tunnel.tun_id = tun_id & mask;
}
+void
+match_set_tun_src(struct match *match, ovs_be32 src)
+{
+ match_set_tun_src_masked(match, src, htonl(UINT32_MAX));
+}
+
+void
+match_set_tun_src_masked(struct match *match, ovs_be32 src, ovs_be32 mask)
+{
+ match->wc.masks.tunnel.ip_src = mask;
+ match->flow.tunnel.ip_src = src & mask;
+}
+
+void
+match_set_tun_dst(struct match *match, ovs_be32 dst)
+{
+ match_set_tun_dst_masked(match, dst, htonl(UINT32_MAX));
+}
+
+void
+match_set_tun_dst_masked(struct match *match, ovs_be32 dst, ovs_be32 mask)
+{
+ match->wc.masks.tunnel.ip_dst = mask;
+ match->flow.tunnel.ip_dst = dst & mask;
+}
+
+void
+match_set_tun_ttl(struct match *match, uint8_t ttl)
+{
+ match_set_tun_ttl_masked(match, ttl, UINT8_MAX);
+}
+
+void
+match_set_tun_ttl_masked(struct match *match, uint8_t ttl, uint8_t mask)
+{
+ match->wc.masks.tunnel.ip_ttl = mask;
+ match->flow.tunnel.ip_ttl = ttl & mask;
+}
+
+void
+match_set_tun_tos(struct match *match, uint8_t tos)
+{
+ match_set_tun_tos_masked(match, tos, UINT8_MAX);
+}
+
+void
+match_set_tun_tos_masked(struct match *match, uint8_t tos, uint8_t mask)
+{
+ match->wc.masks.tunnel.ip_tos = mask;
+ match->flow.tunnel.ip_tos = tos & mask;
+}
+
+void
+match_set_tun_flags(struct match *match, uint16_t flags)
+{
+ match_set_tun_flags_masked(match, flags, UINT16_MAX);
+}
+
+void
+match_set_tun_flags_masked(struct match *match, uint16_t flags, uint16_t mask)
+{
+ match->wc.masks.tunnel.flags = mask;
+ match->flow.tunnel.flags = flags & mask;
+}
+
void
match_set_in_port(struct match *match, uint16_t ofp_port)
{
match->flow.in_port = ofp_port;
}
+void
+match_set_skb_priority(struct match *match, uint32_t skb_priority)
+{
+ match->wc.masks.skb_priority = UINT32_MAX;
+ match->flow.skb_priority = skb_priority;
+}
+
+void
+match_set_skb_mark(struct match *match, uint32_t skb_mark)
+{
+ match->wc.masks.skb_mark = UINT32_MAX;
+ match->flow.skb_mark = skb_mark;
+}
+
void
match_set_dl_type(struct match *match, ovs_be16 dl_type)
{
match->wc.masks.vlan_tci |= htons(VLAN_CFI | VLAN_PCP_MASK);
}
+/* Modifies 'match' so that the MPLS label is wildcarded. */
+void
+match_set_any_mpls_label(struct match *match)
+{
+ match->wc.masks.mpls_lse &= ~htonl(MPLS_LABEL_MASK);
+ flow_set_mpls_label(&match->flow, htonl(0));
+}
+
+/* Modifies 'match' so that it matches only packets with an MPLS header whose
+ * label equals the low 20 bits of 'mpls_label'. */
+void
+match_set_mpls_label(struct match *match, ovs_be32 mpls_label)
+{
+ match->wc.masks.mpls_lse |= htonl(MPLS_LABEL_MASK);
+ flow_set_mpls_label(&match->flow, mpls_label);
+}
+
+/* Modifies 'match' so that the MPLS TC is wildcarded. */
+void
+match_set_any_mpls_tc(struct match *match)
+{
+ match->wc.masks.mpls_lse &= ~htonl(MPLS_TC_MASK);
+ flow_set_mpls_tc(&match->flow, 0);
+}
+
+/* Modifies 'match' so that it matches only packets with an MPLS header whose
+ * Traffic Class equals the low 3 bits of 'mpls_tc'. */
+void
+match_set_mpls_tc(struct match *match, uint8_t mpls_tc)
+{
+ match->wc.masks.mpls_lse |= htonl(MPLS_TC_MASK);
+ flow_set_mpls_tc(&match->flow, mpls_tc);
+}
+
+/* Modifies 'match' so that the MPLS stack flag is wildcarded. */
+void
+match_set_any_mpls_bos(struct match *match)
+{
+ match->wc.masks.mpls_lse &= ~htonl(MPLS_BOS_MASK);
+ flow_set_mpls_bos(&match->flow, 0);
+}
+
+/* Modifies 'match' so that it matches only packets with an MPLS header whose
+ * Stack Flag equals the lower bit of 'mpls_bos' */
+void
+match_set_mpls_bos(struct match *match, uint8_t mpls_bos)
+{
+ match->wc.masks.mpls_lse |= htonl(MPLS_BOS_MASK);
+ flow_set_mpls_bos(&match->flow, mpls_bos);
+}
+
void
match_set_tp_src(struct match *match, ovs_be16 tp_src)
{
}
}
+static void
+format_flow_tunnel(struct ds *s, const struct match *match)
+{
+ const struct flow_wildcards *wc = &match->wc;
+ const struct flow_tnl *tnl = &match->flow.tunnel;
+
+ switch (wc->masks.tunnel.tun_id) {
+ case 0:
+ break;
+ case CONSTANT_HTONLL(UINT64_MAX):
+ ds_put_format(s, "tun_id=%#"PRIx64",", ntohll(tnl->tun_id));
+ break;
+ default:
+ ds_put_format(s, "tun_id=%#"PRIx64"/%#"PRIx64",",
+ ntohll(tnl->tun_id),
+ ntohll(wc->masks.tunnel.tun_id));
+ break;
+ }
+ format_ip_netmask(s, "tun_src", tnl->ip_src, wc->masks.tunnel.ip_src);
+ format_ip_netmask(s, "tun_dst", tnl->ip_dst, wc->masks.tunnel.ip_dst);
+
+ if (wc->masks.tunnel.ip_tos) {
+ ds_put_format(s, "tun_tos=%"PRIx8",", tnl->ip_tos);
+ }
+ if (wc->masks.tunnel.ip_ttl) {
+ ds_put_format(s, "tun_ttl=%"PRIu8",", tnl->ip_ttl);
+ }
+ if (wc->masks.tunnel.flags) {
+ format_flags(s, flow_tun_flag_to_string, tnl->flags, '|');
+ ds_put_char(s, ',');
+ }
+}
+
+static void
+flow_format_mpls(const struct flow *flow, struct ds *s)
+{
+ if (flow->dl_type == htons(ETH_TYPE_MPLS)) {
+ ds_put_cstr(s, "mpls");
+ } else if (flow->dl_type == htons(ETH_TYPE_MPLS_MCAST)) {
+ ds_put_cstr(s, "mplsm");
+ } else {
+ return;
+ }
+
+ ds_put_format(s, "(label:%"PRIu32",tc:%d,ttl:%d,bos:%d),",
+ mpls_lse_to_label(flow->mpls_lse),
+ mpls_lse_to_tc(flow->mpls_lse),
+ mpls_lse_to_ttl(flow->mpls_lse),
+ mpls_lse_to_bos(flow->mpls_lse));
+}
+
/* Appends a string representation of 'match' to 's'. If 'priority' is
* different from OFP_DEFAULT_PRIORITY, includes it in 's'. */
void
int i;
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 17);
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 20);
if (priority != OFP_DEFAULT_PRIORITY) {
ds_put_format(s, "priority=%u,", priority);
}
+ if (wc->masks.skb_mark) {
+ ds_put_format(s, "skb_mark=%#"PRIx32",", f->skb_mark);
+ }
+
+ if (wc->masks.skb_priority) {
+ ds_put_format(s, "skb_priority=%#"PRIx32",", f->skb_priority);
+ }
+
if (wc->masks.dl_type) {
skip_type = true;
if (f->dl_type == htons(ETH_TYPE_IP)) {
}
} else if (f->dl_type == htons(ETH_TYPE_ARP)) {
ds_put_cstr(s, "arp,");
+ } else if (f->dl_type == htons(ETH_TYPE_RARP)) {
+ ds_put_cstr(s, "rarp,");
+ } else if (f->mpls_depth) {
+ flow_format_mpls(f, s);
} else {
skip_type = false;
}
break;
}
}
- switch (wc->masks.tunnel.tun_id) {
- case 0:
- break;
- case CONSTANT_HTONLL(UINT64_MAX):
- ds_put_format(s, "tun_id=%#"PRIx64",", ntohll(f->tunnel.tun_id));
- break;
- default:
- ds_put_format(s, "tun_id=%#"PRIx64"/%#"PRIx64",",
- ntohll(f->tunnel.tun_id),
- ntohll(wc->masks.tunnel.tun_id));
- break;
- }
+
+ format_flow_tunnel(s, match);
+
switch (wc->masks.metadata) {
case 0:
break;
break;
}
if (wc->masks.in_port) {
- ds_put_format(s, "in_port=%"PRIu16",", f->in_port);
+ ds_put_cstr(s, "in_port=");
+ ofputil_format_port(f->in_port, s);
+ ds_put_char(s, ',');
}
if (wc->masks.vlan_tci) {
ovs_be16 vid_mask = wc->masks.vlan_tci & htons(VLAN_VID_MASK);
ntohl(wc->masks.ipv6_label));
}
}
+ } else if (f->dl_type == htons(ETH_TYPE_ARP) ||
+ f->dl_type == htons(ETH_TYPE_RARP)) {
+ format_ip_netmask(s, "arp_spa", f->nw_src, wc->masks.nw_src);
+ format_ip_netmask(s, "arp_tpa", f->nw_dst, wc->masks.nw_dst);
} else {
format_ip_netmask(s, "nw_src", f->nw_src, wc->masks.nw_src);
format_ip_netmask(s, "nw_dst", f->nw_dst, wc->masks.nw_dst);
}
if (!skip_proto && wc->masks.nw_proto) {
- if (f->dl_type == htons(ETH_TYPE_ARP)) {
+ if (f->dl_type == htons(ETH_TYPE_ARP) ||
+ f->dl_type == htons(ETH_TYPE_RARP)) {
ds_put_format(s, "arp_op=%"PRIu8",", f->nw_proto);
} else {
ds_put_format(s, "nw_proto=%"PRIu8",", f->nw_proto);
}
}
- if (f->dl_type == htons(ETH_TYPE_ARP)) {
+ if (f->dl_type == htons(ETH_TYPE_ARP) ||
+ f->dl_type == htons(ETH_TYPE_RARP)) {
format_eth_masked(s, "arp_sha", f->arp_sha, wc->masks.arp_sha);
format_eth_masked(s, "arp_tha", f->arp_tha, wc->masks.arp_tha);
}
if (wc->masks.nw_ttl) {
ds_put_format(s, "nw_ttl=%"PRIu8",", f->nw_ttl);
}
+ if (wc->masks.mpls_lse & htonl(MPLS_LABEL_MASK)) {
+ ds_put_format(s, "mpls_label=%"PRIu32",",
+ mpls_lse_to_label(f->mpls_lse));
+ }
+ if (wc->masks.mpls_lse & htonl(MPLS_TC_MASK)) {
+ ds_put_format(s, "mpls_tc=%"PRIu8",",
+ mpls_lse_to_tc(f->mpls_lse));
+ }
+ if (wc->masks.mpls_lse & htonl(MPLS_BOS_MASK)) {
+ ds_put_format(s, "mpls_bos=%"PRIu8",",
+ mpls_lse_to_bos(f->mpls_lse));
+ }
switch (wc->masks.nw_frag) {
case FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER:
ds_put_format(s, "nw_frag=%s,",
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