/*
- * 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.
* limitations under the License.
*/
-#include <arpa/inet.h>
#include <config.h>
+#include <arpa/inet.h>
#include "odp-util.h"
#include <errno.h>
#include <inttypes.h>
#include "flow.h"
#include "netlink.h"
#include "ofpbuf.h"
-#include "openvswitch/tunnel.h"
#include "packets.h"
#include "simap.h"
#include "timeval.h"
case OVS_ACTION_ATTR_USERSPACE: return -2;
case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan);
case OVS_ACTION_ATTR_POP_VLAN: return 0;
+ case OVS_ACTION_ATTR_PUSH_MPLS: return sizeof(struct ovs_action_push_mpls);
+ case OVS_ACTION_ATTR_POP_MPLS: return sizeof(ovs_be16);
case OVS_ACTION_ATTR_SET: return -2;
case OVS_ACTION_ATTR_SAMPLE: return -2;
switch (attr) {
case OVS_KEY_ATTR_UNSPEC: return "unspec";
case OVS_KEY_ATTR_ENCAP: return "encap";
- case OVS_KEY_ATTR_PRIORITY: return "priority";
+ case OVS_KEY_ATTR_PRIORITY: return "skb_priority";
+ case OVS_KEY_ATTR_SKB_MARK: return "skb_mark";
+ case OVS_KEY_ATTR_TUN_ID: return "tun_id";
+ case OVS_KEY_ATTR_TUNNEL: return "tunnel";
case OVS_KEY_ATTR_IN_PORT: return "in_port";
case OVS_KEY_ATTR_ETHERNET: return "eth";
case OVS_KEY_ATTR_VLAN: return "vlan";
case OVS_KEY_ATTR_ICMPV6: return "icmpv6";
case OVS_KEY_ATTR_ARP: return "arp";
case OVS_KEY_ATTR_ND: return "nd";
- case OVS_KEY_ATTR_TUN_ID: return "tun_id";
+ case OVS_KEY_ATTR_MPLS: return "mpls";
case __OVS_KEY_ATTR_MAX:
default:
}
static const char *
-slow_path_reason_to_string(enum slow_path_reason bit)
+slow_path_reason_to_string(uint32_t data)
{
+ enum slow_path_reason bit = (enum slow_path_reason) data;
+
switch (bit) {
case SLOW_CFM:
return "cfm";
}
}
-static void
-format_slow_path_reason(struct ds *ds, uint32_t slow)
+static int
+parse_flags(const char *s, const char *(*bit_to_string)(uint32_t),
+ uint32_t *res)
{
- uint32_t bad = 0;
+ uint32_t result = 0;
+ int n = 0;
+
+ if (s[n] != '(') {
+ return -EINVAL;
+ }
+ n++;
- while (slow) {
- uint32_t bit = rightmost_1bit(slow);
- const char *s;
+ while (s[n] != ')') {
+ unsigned long long int flags;
+ uint32_t bit;
+ int n0;
- s = slow_path_reason_to_string(bit);
- if (s) {
- ds_put_format(ds, "%s,", s);
- } else {
- bad |= bit;
+ if (sscanf(&s[n], "%lli%n", &flags, &n0) > 0 && n0 > 0) {
+ n += n0 + (s[n + n0] == ',');
+ result |= flags;
+ continue;
}
- slow &= ~bit;
- }
+ for (bit = 1; bit; bit <<= 1) {
+ const char *name = bit_to_string(bit);
+ size_t len;
- if (bad) {
- ds_put_format(ds, "0x%"PRIx32",", bad);
+ if (!name) {
+ continue;
+ }
+
+ len = strlen(name);
+ if (!strncmp(s + n, name, len) &&
+ (s[n + len] == ',' || s[n + len] == ')')) {
+ result |= bit;
+ n += len + (s[n + len] == ',');
+ break;
+ }
+ }
+
+ if (!bit) {
+ return -EINVAL;
+ }
}
- ds_chomp(ds, ',');
+ n++;
+
+ *res = result;
+ return n;
}
static void
case USER_ACTION_COOKIE_SLOW_PATH:
ds_put_cstr(ds, ",slow_path(");
- if (cookie.slow_path.reason) {
- format_slow_path_reason(ds, cookie.slow_path.reason);
- }
- ds_put_char(ds, ')');
+ format_flags(ds, slow_path_reason_to_string,
+ cookie.slow_path.reason, ',');
+ ds_put_format(ds, ")");
break;
case USER_ACTION_COOKIE_UNSPEC:
}
}
+static void
+format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse)
+{
+ ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d",
+ mpls_lse_to_label(mpls_lse),
+ mpls_lse_to_tc(mpls_lse),
+ mpls_lse_to_ttl(mpls_lse),
+ mpls_lse_to_bos(mpls_lse));
+}
+
static void
format_odp_action(struct ds *ds, const struct nlattr *a)
{
case OVS_ACTION_ATTR_POP_VLAN:
ds_put_cstr(ds, "pop_vlan");
break;
+ case OVS_ACTION_ATTR_PUSH_MPLS: {
+ const struct ovs_action_push_mpls *mpls = nl_attr_get(a);
+ ds_put_cstr(ds, "push_mpls(");
+ format_mpls_lse(ds, mpls->mpls_lse);
+ ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype));
+ break;
+ }
+ case OVS_ACTION_ATTR_POP_MPLS: {
+ ovs_be16 ethertype = nl_attr_get_be16(a);
+ ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype));
+ break;
+ }
case OVS_ACTION_ATTR_SAMPLE:
format_odp_sample_action(ds, a);
break;
cookie.sflow.output = output;
odp_put_userspace_action(pid, &cookie, actions);
return n;
- } else if (sscanf(s, "userspace(pid=%lli,slow_path(%n", &pid, &n) > 0
+ } else if (sscanf(s, "userspace(pid=%lli,slow_path%n", &pid, &n) > 0
&& n > 0) {
union user_action_cookie cookie;
+ int res;
cookie.type = USER_ACTION_COOKIE_SLOW_PATH;
cookie.slow_path.unused = 0;
cookie.slow_path.reason = 0;
- while (s[n] != ')') {
- uint32_t bit;
-
- for (bit = 1; bit; bit <<= 1) {
- const char *reason = slow_path_reason_to_string(bit);
- size_t len = strlen(reason);
-
- if (reason
- && !strncmp(s + n, reason, len)
- && (s[n + len] == ',' || s[n + len] == ')'))
- {
- cookie.slow_path.reason |= bit;
- n += len + (s[n + len] == ',');
- break;
- }
- }
-
- if (!bit) {
- return -EINVAL;
- }
+ res = parse_flags(&s[n], slow_path_reason_to_string,
+ &cookie.slow_path.reason);
+ if (res < 0) {
+ return res;
}
- if (s[n + 1] != ')') {
+ n += res;
+ if (s[n] != ')') {
return -EINVAL;
}
- n += 2;
+ n++;
odp_put_userspace_action(pid, &cookie, actions);
return n;
switch ((enum ovs_key_attr) type) {
case OVS_KEY_ATTR_ENCAP: return -2;
case OVS_KEY_ATTR_PRIORITY: return 4;
+ case OVS_KEY_ATTR_SKB_MARK: return 4;
case OVS_KEY_ATTR_TUN_ID: return 8;
+ case OVS_KEY_ATTR_TUNNEL: return -2;
case OVS_KEY_ATTR_IN_PORT: return 4;
case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet);
case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16);
case OVS_KEY_ATTR_ETHERTYPE: return 2;
+ case OVS_KEY_ATTR_MPLS: return sizeof(struct ovs_key_mpls);
case OVS_KEY_ATTR_IPV4: return sizeof(struct ovs_key_ipv4);
case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6);
case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp);
}
}
+static int
+tunnel_key_attr_len(int type)
+{
+ switch (type) {
+ case OVS_TUNNEL_KEY_ATTR_ID: return 8;
+ case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: return 4;
+ case OVS_TUNNEL_KEY_ATTR_IPV4_DST: return 4;
+ case OVS_TUNNEL_KEY_ATTR_TOS: return 1;
+ case OVS_TUNNEL_KEY_ATTR_TTL: return 1;
+ case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: return 0;
+ case OVS_TUNNEL_KEY_ATTR_CSUM: return 0;
+ case __OVS_TUNNEL_KEY_ATTR_MAX:
+ return -1;
+ }
+ return -1;
+}
+
+static enum odp_key_fitness
+tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun)
+{
+ unsigned int left;
+ const struct nlattr *a;
+ bool ttl = false;
+ bool unknown = false;
+
+ NL_NESTED_FOR_EACH(a, left, attr) {
+ uint16_t type = nl_attr_type(a);
+ size_t len = nl_attr_get_size(a);
+ int expected_len = tunnel_key_attr_len(type);
+
+ if (len != expected_len && expected_len >= 0) {
+ return ODP_FIT_ERROR;
+ }
+
+ switch (type) {
+ case OVS_TUNNEL_KEY_ATTR_ID:
+ tun->tun_id = nl_attr_get_be64(a);
+ tun->flags |= FLOW_TNL_F_KEY;
+ break;
+ case OVS_TUNNEL_KEY_ATTR_IPV4_SRC:
+ tun->ip_src = nl_attr_get_be32(a);
+ break;
+ case OVS_TUNNEL_KEY_ATTR_IPV4_DST:
+ tun->ip_dst = nl_attr_get_be32(a);
+ break;
+ case OVS_TUNNEL_KEY_ATTR_TOS:
+ tun->ip_tos = nl_attr_get_u8(a);
+ break;
+ case OVS_TUNNEL_KEY_ATTR_TTL:
+ tun->ip_ttl = nl_attr_get_u8(a);
+ ttl = true;
+ break;
+ case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT:
+ tun->flags |= FLOW_TNL_F_DONT_FRAGMENT;
+ break;
+ case OVS_TUNNEL_KEY_ATTR_CSUM:
+ tun->flags |= FLOW_TNL_F_CSUM;
+ break;
+ default:
+ /* Allow this to show up as unexpected, if there are unknown
+ * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */
+ unknown = true;
+ break;
+ }
+ }
+
+ if (!ttl) {
+ return ODP_FIT_ERROR;
+ }
+ if (unknown) {
+ return ODP_FIT_TOO_MUCH;
+ }
+ return ODP_FIT_PERFECT;
+}
+
+static void
+tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key)
+{
+ size_t tun_key_ofs;
+
+ tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL);
+
+ if (tun_key->flags & FLOW_TNL_F_KEY) {
+ nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id);
+ }
+ if (tun_key->ip_src) {
+ nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src);
+ }
+ if (tun_key->ip_dst) {
+ nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst);
+ }
+ if (tun_key->ip_tos) {
+ nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos);
+ }
+ nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl);
+ if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) {
+ nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT);
+ }
+ if (tun_key->flags & FLOW_TNL_F_CSUM) {
+ nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM);
+ }
+
+ nl_msg_end_nested(a, tun_key_ofs);
+}
+
static void
format_odp_key_attr(const struct nlattr *a, struct ds *ds)
{
const struct ovs_key_icmpv6 *icmpv6_key;
const struct ovs_key_arp *arp_key;
const struct ovs_key_nd *nd_key;
+ struct flow_tnl tun_key;
enum ovs_key_attr attr = nl_attr_type(a);
int expected_len;
break;
case OVS_KEY_ATTR_PRIORITY:
- ds_put_format(ds, "(%"PRIu32")", nl_attr_get_u32(a));
+ ds_put_format(ds, "(%#"PRIx32")", nl_attr_get_u32(a));
+ break;
+
+ case OVS_KEY_ATTR_SKB_MARK:
+ ds_put_format(ds, "(%#"PRIx32")", nl_attr_get_u32(a));
break;
case OVS_KEY_ATTR_TUN_ID:
ds_put_format(ds, "(%#"PRIx64")", ntohll(nl_attr_get_be64(a)));
break;
+ case OVS_KEY_ATTR_TUNNEL:
+ memset(&tun_key, 0, sizeof tun_key);
+ if (tun_key_from_attr(a, &tun_key) == ODP_FIT_ERROR) {
+ ds_put_format(ds, "(error)");
+ } else {
+ ds_put_format(ds, "(tun_id=0x%"PRIx64",src="IP_FMT",dst="IP_FMT","
+ "tos=0x%"PRIx8",ttl=%"PRIu8",flags(",
+ ntohll(tun_key.tun_id),
+ IP_ARGS(tun_key.ip_src),
+ IP_ARGS(tun_key.ip_dst),
+ tun_key.ip_tos, tun_key.ip_ttl);
+
+ format_flags(ds, flow_tun_flag_to_string,
+ (uint32_t) tun_key.flags, ',');
+ ds_put_format(ds, "))");
+ }
+ break;
+
case OVS_KEY_ATTR_IN_PORT:
ds_put_format(ds, "(%"PRIu32")", nl_attr_get_u32(a));
break;
ds_put_char(ds, ')');
break;
+ case OVS_KEY_ATTR_MPLS: {
+ const struct ovs_key_mpls *mpls_key = nl_attr_get(a);
+ ds_put_char(ds, '(');
+ format_mpls_lse(ds, mpls_key->mpls_top_lse);
+ ds_put_char(ds, ')');
+ break;
+ }
+
case OVS_KEY_ATTR_ETHERTYPE:
ds_put_format(ds, "(0x%04"PRIx16")",
ntohs(nl_attr_get_be16(a)));
ipv4_key = nl_attr_get(a);
ds_put_format(ds, "(src="IP_FMT",dst="IP_FMT",proto=%"PRIu8
",tos=%#"PRIx8",ttl=%"PRIu8",frag=%s)",
- IP_ARGS(&ipv4_key->ipv4_src),
- IP_ARGS(&ipv4_key->ipv4_dst),
+ IP_ARGS(ipv4_key->ipv4_src),
+ IP_ARGS(ipv4_key->ipv4_dst),
ipv4_key->ipv4_proto, ipv4_key->ipv4_tos,
ipv4_key->ipv4_ttl,
ovs_frag_type_to_string(ipv4_key->ipv4_frag));
arp_key = nl_attr_get(a);
ds_put_format(ds, "(sip="IP_FMT",tip="IP_FMT",op=%"PRIu16","
"sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT")",
- IP_ARGS(&arp_key->arp_sip), IP_ARGS(&arp_key->arp_tip),
+ IP_ARGS(arp_key->arp_sip), IP_ARGS(arp_key->arp_tip),
ntohs(arp_key->arp_op), ETH_ADDR_ARGS(arp_key->arp_sha),
ETH_ADDR_ARGS(arp_key->arp_tha));
break;
return true;
}
+static ovs_be32
+mpls_lse_from_components(int mpls_label, int mpls_tc, int mpls_ttl, int mpls_bos)
+{
+ return (htonl((mpls_label << MPLS_LABEL_SHIFT) |
+ (mpls_tc << MPLS_TC_SHIFT) |
+ (mpls_ttl << MPLS_TTL_SHIFT) |
+ (mpls_bos << MPLS_BOS_SHIFT)));
+}
+
static int
parse_odp_key_attr(const char *s, const struct simap *port_names,
struct ofpbuf *key)
unsigned long long int priority;
int n = -1;
- if (sscanf(s, "priority(%lli)%n", &priority, &n) > 0 && n > 0) {
+ if (sscanf(s, "skb_priority(%llx)%n", &priority, &n) > 0 && n > 0) {
nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
return n;
}
}
+ {
+ unsigned long long int mark;
+ int n = -1;
+
+ if (sscanf(s, "skb_mark(%llx)%n", &mark, &n) > 0 && n > 0) {
+ nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark);
+ return n;
+ }
+ }
+
{
char tun_id_s[32];
int n = -1;
}
}
+ {
+ char tun_id_s[32];
+ int tos, ttl;
+ struct flow_tnl tun_key;
+ int n = -1;
+
+ if (sscanf(s, "tunnel(tun_id=%31[x0123456789abcdefABCDEF],"
+ "src="IP_SCAN_FMT",dst="IP_SCAN_FMT
+ ",tos=%i,ttl=%i,flags%n", tun_id_s,
+ IP_SCAN_ARGS(&tun_key.ip_src),
+ IP_SCAN_ARGS(&tun_key.ip_dst), &tos, &ttl,
+ &n) > 0 && n > 0) {
+ int res;
+ uint32_t flags;
+
+ tun_key.tun_id = htonll(strtoull(tun_id_s, NULL, 0));
+ tun_key.ip_tos = tos;
+ tun_key.ip_ttl = ttl;
+ res = parse_flags(&s[n], flow_tun_flag_to_string, &flags);
+ tun_key.flags = (uint16_t) flags;
+
+ if (res < 0) {
+ return res;
+ }
+ n += res;
+ if (s[n] != ')') {
+ return -EINVAL;
+ }
+ n++;
+ tun_key_to_attr(key, &tun_key);
+ return n;
+ }
+ }
+
{
unsigned long long int in_port;
int n = -1;
}
}
+ {
+ int label, tc, ttl, bos;
+ int n = -1;
+
+ if (sscanf(s, "mpls(label=%"SCNi32",tc=%i,ttl=%i,bos=%i)%n",
+ &label, &tc, &ttl, &bos, &n) > 0 &&
+ n > 0) {
+ struct ovs_key_mpls *mpls;
+
+ mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS,
+ sizeof *mpls);
+ mpls->mpls_top_lse = mpls_lse_from_components(label, tc, ttl, bos);
+ return n;
+ }
+ }
+
{
ovs_be32 ipv4_src;
ovs_be32 ipv4_dst;
: OVS_FRAG_TYPE_LATER);
}
-/* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'. */
+/* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'.
+ * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port
+ * number rather than a datapath port number). Instead, if 'odp_in_port'
+ * is anything other than OVSP_NONE, it is included in 'buf' as the input
+ * port.
+ *
+ * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
+ * capable of being expanded to allow for that much space. */
void
-odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow)
+odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow,
+ uint32_t odp_in_port)
{
struct ovs_key_ethernet *eth_key;
size_t encap;
nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, flow->skb_priority);
}
- if (flow->tun_id != htonll(0)) {
- nl_msg_put_be64(buf, OVS_KEY_ATTR_TUN_ID, flow->tun_id);
+ if (flow->tunnel.ip_dst) {
+ tun_key_to_attr(buf, &flow->tunnel);
+ } else if (flow->tunnel.tun_id != htonll(0)) {
+ nl_msg_put_be64(buf, OVS_KEY_ATTR_TUN_ID, flow->tunnel.tun_id);
}
- if (flow->in_port != OFPP_NONE && flow->in_port != OFPP_CONTROLLER) {
- nl_msg_put_u32(buf, OVS_KEY_ATTR_IN_PORT,
- ofp_port_to_odp_port(flow->in_port));
+ if (flow->skb_mark) {
+ nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, flow->skb_mark);
+ }
+
+ if (odp_in_port != OVSP_NONE) {
+ nl_msg_put_u32(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port);
}
eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET,
ipv6_key->ipv6_tclass = flow->nw_tos;
ipv6_key->ipv6_hlimit = flow->nw_ttl;
ipv6_key->ipv6_frag = ovs_to_odp_frag(flow->nw_frag);
- } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
+ } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
+ flow->dl_type == htons(ETH_TYPE_RARP)) {
struct ovs_key_arp *arp_key;
arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP,
memcpy(arp_key->arp_tha, flow->arp_tha, ETH_ADDR_LEN);
}
- if ((flow->dl_type == htons(ETH_TYPE_IP)
- || flow->dl_type == htons(ETH_TYPE_IPV6))
- && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
+ if (flow->mpls_depth) {
+ struct ovs_key_mpls *mpls_key;
+ mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS,
+ sizeof *mpls_key);
+ mpls_key->mpls_top_lse = flow->mpls_lse;
+ }
+
+ if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
if (flow->nw_proto == IPPROTO_TCP) {
struct ovs_key_tcp *tcp_key;
}
static enum odp_key_fitness
-parse_l3_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
- uint64_t present_attrs, int out_of_range_attr,
- uint64_t expected_attrs, struct flow *flow,
- const struct nlattr *key, size_t key_len)
+parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
+ uint64_t present_attrs, int out_of_range_attr,
+ uint64_t expected_attrs, struct flow *flow,
+ const struct nlattr *key, size_t key_len)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+ ovs_be16 dl_type;
- if (flow->dl_type == htons(ETH_TYPE_IP)) {
+ /* Parse MPLS label stack entry */
+ if (eth_type_mpls(flow->dl_type)) {
+ /* Calculate fitness of outer attributes. */
+ expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
+
+ /* Get the MPLS LSE value. */
+ if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS))) {
+ return ODP_FIT_TOO_LITTLE;
+ }
+ flow->mpls_lse = nl_attr_get_be32(attrs[OVS_KEY_ATTR_MPLS]);
+ flow->mpls_depth++;
+
+ if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) {
+ flow->encap_dl_type = htons(ETH_TYPE_IP);
+ } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) {
+ flow->encap_dl_type = htons(ETH_TYPE_IPV6);
+ } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) {
+ flow->encap_dl_type = htons(ETH_TYPE_ARP);
+ }
+ }
+
+ dl_type = flow_innermost_dl_type(flow);
+
+ if (dl_type == htons(ETH_TYPE_IP)) {
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) {
const struct ovs_key_ipv4 *ipv4_key;
return ODP_FIT_ERROR;
}
}
- } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
+ } else if (dl_type == htons(ETH_TYPE_IPV6)) {
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) {
const struct ovs_key_ipv6 *ipv6_key;
return ODP_FIT_ERROR;
}
}
- } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
+ } else if (dl_type == htons(ETH_TYPE_ARP) ||
+ dl_type == htons(ETH_TYPE_RARP)) {
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) {
const struct ovs_key_arp *arp_key;
}
if (flow->nw_proto == IPPROTO_TCP
- && (flow->dl_type == htons(ETH_TYPE_IP) ||
- flow->dl_type == htons(ETH_TYPE_IPV6))
+ && (dl_type == htons(ETH_TYPE_IP) ||
+ dl_type == htons(ETH_TYPE_IPV6))
&& !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) {
flow->tp_dst = tcp_key->tcp_dst;
}
} else if (flow->nw_proto == IPPROTO_UDP
- && (flow->dl_type == htons(ETH_TYPE_IP) ||
- flow->dl_type == htons(ETH_TYPE_IPV6))
+ && (dl_type == htons(ETH_TYPE_IP) ||
+ dl_type == htons(ETH_TYPE_IPV6))
&& !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) {
flow->tp_dst = udp_key->udp_dst;
}
} else if (flow->nw_proto == IPPROTO_ICMP
- && flow->dl_type == htons(ETH_TYPE_IP)
+ && dl_type == htons(ETH_TYPE_IP)
&& !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) {
flow->tp_dst = htons(icmp_key->icmp_code);
}
} else if (flow->nw_proto == IPPROTO_ICMPV6
- && flow->dl_type == htons(ETH_TYPE_IPV6)
+ && dl_type == htons(ETH_TYPE_IPV6)
&& !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) {
if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) {
return ODP_FIT_ERROR;
}
- encap_fitness = parse_l3_onward(attrs, present_attrs, out_of_range_attr,
- expected_attrs, flow, key, key_len);
+ encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
+ expected_attrs, flow, key, key_len);
/* The overall fitness is the worse of the outer and inner attributes. */
return MAX(fitness, encap_fitness);
* structure in 'flow'. Returns an ODP_FIT_* value that indicates how well
* 'key' fits our expectations for what a flow key should contain.
*
+ * The 'in_port' will be the datapath's understanding of the port. The
+ * caller will need to translate with odp_port_to_ofp_port() if the
+ * OpenFlow port is needed.
+ *
* This function doesn't take the packet itself as an argument because none of
* the currently understood OVS_KEY_ATTR_* attributes require it. Currently,
* it is always possible to infer which additional attribute(s) should appear
odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
struct flow *flow)
{
- static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1];
uint64_t expected_attrs;
uint64_t present_attrs;
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY;
}
+ if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) {
+ flow->skb_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]);
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK;
+ }
+
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUN_ID)) {
- flow->tun_id = nl_attr_get_be64(attrs[OVS_KEY_ATTR_TUN_ID]);
+ flow->tunnel.tun_id = nl_attr_get_be64(attrs[OVS_KEY_ATTR_TUN_ID]);
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUN_ID;
}
- if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) {
- uint32_t in_port = nl_attr_get_u32(attrs[OVS_KEY_ATTR_IN_PORT]);
- if (in_port >= UINT16_MAX || in_port >= OFPP_MAX) {
- VLOG_ERR_RL(&rl, "in_port %"PRIu32" out of supported range",
- in_port);
+ if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) {
+ enum odp_key_fitness res;
+
+ res = tun_key_from_attr(attrs[OVS_KEY_ATTR_TUNNEL], &flow->tunnel);
+ if (res == ODP_FIT_ERROR) {
return ODP_FIT_ERROR;
+ } else if (res == ODP_FIT_PERFECT) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL;
}
- flow->in_port = odp_port_to_ofp_port(in_port);
+ }
+
+ if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) {
+ flow->in_port = nl_attr_get_u32(attrs[OVS_KEY_ATTR_IN_PORT]);
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT;
} else {
- flow->in_port = OFPP_NONE;
+ flow->in_port = OVSP_NONE;
}
/* Ethernet header. */
return parse_8021q_onward(attrs, present_attrs, out_of_range_attr,
expected_attrs, flow, key, key_len);
}
- return parse_l3_onward(attrs, present_attrs, out_of_range_attr,
- expected_attrs, flow, key, key_len);
+ return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
+ expected_attrs, flow, key, key_len);
}
/* Returns 'fitness' as a string, for use in debug messages. */
return cookie ? odp_actions->size - NLA_ALIGN(sizeof *cookie) : 0;
}
+
+void
+odp_put_tunnel_action(const struct flow_tnl *tunnel,
+ struct ofpbuf *odp_actions)
+{
+ size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
+ tun_key_to_attr(odp_actions, tunnel);
+ nl_msg_end_nested(odp_actions, offset);
+}
\f
/* The commit_odp_actions() function and its helpers. */
nl_msg_end_nested(odp_actions, offset);
}
-static void
-commit_set_tun_id_action(const struct flow *flow, struct flow *base,
+/* If any of the flow key data that ODP actions can modify are different in
+ * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to
+ * 'odp_actions' that change the flow tunneling information in key from
+ * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the
+ * same way. In other words, operates the same as commit_odp_actions(), but
+ * only on tunneling information. */
+void
+commit_odp_tunnel_action(const struct flow *flow, struct flow *base,
struct ofpbuf *odp_actions)
{
- if (base->tun_id == flow->tun_id) {
+ if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) {
return;
}
- base->tun_id = flow->tun_id;
+ memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel);
- commit_set_action(odp_actions, OVS_KEY_ATTR_TUN_ID,
- &base->tun_id, sizeof(base->tun_id));
+ /* A valid IPV4_TUNNEL must have non-zero ip_dst. */
+ if (flow->tunnel.ip_dst) {
+ odp_put_tunnel_action(&base->tunnel, odp_actions);
+ } else {
+ commit_set_action(odp_actions, OVS_KEY_ATTR_TUN_ID,
+ &base->tunnel.tun_id, sizeof base->tunnel.tun_id);
+ }
}
static void
base->vlan_tci = flow->vlan_tci;
}
+static void
+commit_mpls_action(const struct flow *flow, struct flow *base,
+ struct ofpbuf *odp_actions)
+{
+ if (flow->mpls_lse == base->mpls_lse &&
+ flow->mpls_depth == base->mpls_depth) {
+ return;
+ }
+
+ if (flow->mpls_depth < base->mpls_depth) {
+ if (base->mpls_depth - flow->mpls_depth > 1) {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
+ VLOG_WARN_RL(&rl, "Multiple mpls_pop actions reduced to "
+ " a single mpls_pop action");
+ }
+
+ nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, flow->dl_type);
+ } else if (flow->mpls_depth > base->mpls_depth) {
+ struct ovs_action_push_mpls *mpls;
+
+ if (flow->mpls_depth - base->mpls_depth > 1) {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
+ VLOG_WARN_RL(&rl, "Multiple mpls_push actions reduced to "
+ " a single mpls_push action");
+ }
+
+ mpls = nl_msg_put_unspec_uninit(odp_actions, OVS_ACTION_ATTR_PUSH_MPLS,
+ sizeof *mpls);
+ memset(mpls, 0, sizeof *mpls);
+ mpls->mpls_ethertype = flow->dl_type;
+ mpls->mpls_lse = flow->mpls_lse;
+ } else {
+ struct ovs_key_mpls mpls_key;
+
+ mpls_key.mpls_top_lse = flow->mpls_lse;
+ commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS,
+ &mpls_key, sizeof(mpls_key));
+ }
+
+ base->dl_type = flow->dl_type;
+ base->mpls_lse = flow->mpls_lse;
+ base->mpls_depth = flow->mpls_depth;
+}
+
static void
commit_set_ipv4_action(const struct flow *flow, struct flow *base,
struct ofpbuf *odp_actions)
commit_set_nw_action(const struct flow *flow, struct flow *base,
struct ofpbuf *odp_actions)
{
+ ovs_be16 dl_type = flow_innermost_dl_type(flow);
+
/* Check if flow really have an IP header. */
if (!flow->nw_proto) {
return;
}
- if (base->dl_type == htons(ETH_TYPE_IP)) {
+ if (dl_type == htons(ETH_TYPE_IP)) {
commit_set_ipv4_action(flow, base, odp_actions);
- } else if (base->dl_type == htons(ETH_TYPE_IPV6)) {
+ } else if (dl_type == htons(ETH_TYPE_IPV6)) {
commit_set_ipv6_action(flow, base, odp_actions);
}
}
commit_set_port_action(const struct flow *flow, struct flow *base,
struct ofpbuf *odp_actions)
{
- if (!base->tp_src || !base->tp_dst) {
+ if (!base->tp_src && !base->tp_dst) {
return;
}
&base->skb_priority, sizeof(base->skb_priority));
}
+static void
+commit_set_skb_mark_action(const struct flow *flow, struct flow *base,
+ struct ofpbuf *odp_actions)
+{
+ if (base->skb_mark == flow->skb_mark) {
+ return;
+ }
+ base->skb_mark = flow->skb_mark;
+
+ commit_set_action(odp_actions, OVS_KEY_ATTR_SKB_MARK,
+ &base->skb_mark, sizeof(base->skb_mark));
+}
/* If any of the flow key data that ODP actions can modify are different in
* 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow
- * key from 'base' into 'flow', and then changes 'base' the same way. */
+ * key from 'base' into 'flow', and then changes 'base' the same way. Does not
+ * commit set_tunnel actions. Users should call commit_odp_tunnel_action()
+ * in addition to this function if needed. */
void
commit_odp_actions(const struct flow *flow, struct flow *base,
struct ofpbuf *odp_actions)
{
- commit_set_tun_id_action(flow, base, odp_actions);
commit_set_ether_addr_action(flow, base, odp_actions);
commit_vlan_action(flow, base, odp_actions);
+ commit_mpls_action(flow, base, odp_actions);
commit_set_nw_action(flow, base, odp_actions);
commit_set_port_action(flow, base, odp_actions);
commit_set_priority_action(flow, base, odp_actions);
+ commit_set_skb_mark_action(flow, base, odp_actions);
}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff