* 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 "shash.h"
+#include "simap.h"
#include "timeval.h"
#include "util.h"
#include "vlog.h"
* from another. */
static const char *delimiters = ", \t\r\n";
-static int parse_odp_key_attr(const char *, const struct shash *port_names,
+static int parse_odp_key_attr(const char *, const struct simap *port_names,
struct ofpbuf *);
static void format_odp_key_attr(const struct nlattr *a, struct ds *ds);
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_TUN_ID: return "tun_id";
+ case OVS_KEY_ATTR_IPV4_TUNNEL: return "ipv4_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_MAX:
default:
ds_put_format(ds, "))");
}
+static const char *
+slow_path_reason_to_string(enum slow_path_reason bit)
+{
+ switch (bit) {
+ case SLOW_CFM:
+ return "cfm";
+ case SLOW_LACP:
+ return "lacp";
+ case SLOW_STP:
+ return "stp";
+ case SLOW_IN_BAND:
+ return "in_band";
+ case SLOW_CONTROLLER:
+ return "controller";
+ case SLOW_MATCH:
+ return "match";
+ default:
+ return NULL;
+ }
+}
+
+static void
+format_slow_path_reason(struct ds *ds, uint32_t slow)
+{
+ uint32_t bad = 0;
+
+ while (slow) {
+ uint32_t bit = rightmost_1bit(slow);
+ const char *s;
+
+ s = slow_path_reason_to_string(bit);
+ if (s) {
+ ds_put_format(ds, "%s,", s);
+ } else {
+ bad |= bit;
+ }
+
+ slow &= ~bit;
+ }
+
+ if (bad) {
+ ds_put_format(ds, "0x%"PRIx32",", bad);
+ }
+ ds_chomp(ds, ',');
+}
+
static void
format_odp_userspace_action(struct ds *ds, const struct nlattr *attr)
{
if (a[OVS_USERSPACE_ATTR_USERDATA]) {
uint64_t userdata = nl_attr_get_u64(a[OVS_USERSPACE_ATTR_USERDATA]);
- struct user_action_cookie cookie;
+ union user_action_cookie cookie;
memcpy(&cookie, &userdata, sizeof cookie);
- if (cookie.type == USER_ACTION_COOKIE_SFLOW) {
- ds_put_format(ds, ",sFlow,n_output=%"PRIu8","
- "vid=%"PRIu16",pcp=%"PRIu8",ifindex=%"PRIu32,
- cookie.n_output, vlan_tci_to_vid(cookie.vlan_tci),
- vlan_tci_to_pcp(cookie.vlan_tci), cookie.data);
- } else {
+ switch (cookie.type) {
+ case USER_ACTION_COOKIE_SFLOW:
+ ds_put_format(ds, ",sFlow("
+ "vid=%"PRIu16",pcp=%"PRIu8",output=%"PRIu32")",
+ vlan_tci_to_vid(cookie.sflow.vlan_tci),
+ vlan_tci_to_pcp(cookie.sflow.vlan_tci),
+ cookie.sflow.output);
+ break;
+
+ 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, ')');
+ break;
+
+ case USER_ACTION_COOKIE_UNSPEC:
+ default:
ds_put_format(ds, ",userdata=0x%"PRIx64, userdata);
+ break;
}
}
}
static int
-parse_odp_action(const char *s, const struct shash *port_names,
+parse_odp_action(const char *s, const struct simap *port_names,
struct ofpbuf *actions)
{
/* Many of the sscanf calls in this function use oversized destination
if (port_names) {
int len = strcspn(s, delimiters);
- struct shash_node *node;
+ struct simap_node *node;
- node = shash_find_len(port_names, s, len);
+ node = simap_find_len(port_names, s, len);
if (node) {
- nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT,
- (uintptr_t) node->data);
+ nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data);
return len;
}
}
{
unsigned long long int pid;
- unsigned long long int ifindex;
+ unsigned long long int output;
char userdata_s[32];
- int n_output;
int vid, pcp;
int n = -1;
if (sscanf(s, "userspace(pid=%lli)%n", &pid, &n) > 0 && n > 0) {
odp_put_userspace_action(pid, NULL, actions);
return n;
- } else if (sscanf(s, "userspace(pid=%lli,sFlow,n_output=%i,vid=%i,"
- "pcp=%i,ifindex=%lli)%n", &pid, &n_output,
- &vid, &pcp, &ifindex, &n) > 0 && n > 0) {
- struct user_action_cookie cookie;
+ } else if (sscanf(s, "userspace(pid=%lli,sFlow(vid=%i,"
+ "pcp=%i,output=%lli))%n",
+ &pid, &vid, &pcp, &output, &n) > 0 && n > 0) {
+ union user_action_cookie cookie;
uint16_t tci;
tci = vid | (pcp << VLAN_PCP_SHIFT);
}
cookie.type = USER_ACTION_COOKIE_SFLOW;
- cookie.n_output = n_output;
- cookie.vlan_tci = htons(tci);
- cookie.data = ifindex;
+ cookie.sflow.vlan_tci = htons(tci);
+ 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
+ && n > 0) {
+ union user_action_cookie cookie;
+
+ 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;
+ }
+ }
+ if (s[n + 1] != ')') {
+ return -EINVAL;
+ }
+ n += 2;
+
odp_put_userspace_action(pid, &cookie, actions);
return n;
} else if (sscanf(s, "userspace(pid=%lli,userdata="
"%31[x0123456789abcdefABCDEF])%n", &pid, userdata_s,
&n) > 0 && n > 0) {
- struct user_action_cookie cookie;
+ union user_action_cookie cookie;
uint64_t userdata;
userdata = strtoull(userdata_s, NULL, 0);
for (;;) {
int retval;
- s += strspn(s, delimiters);
+ n += strspn(s + n, delimiters);
if (s[n] == ')') {
break;
}
return retval;
}
n += retval;
-
}
nl_msg_end_nested(actions, actions_ofs);
nl_msg_end_nested(actions, sample_ofs);
* Netlink attributes. On failure, no data is appended to 'actions'. Either
* way, 'actions''s data might be reallocated. */
int
-odp_actions_from_string(const char *s, const struct shash *port_names,
+odp_actions_from_string(const char *s, const struct simap *port_names,
struct ofpbuf *actions)
{
size_t old_size;
case OVS_KEY_ATTR_ENCAP: return -2;
case OVS_KEY_ATTR_PRIORITY: return 4;
case OVS_KEY_ATTR_TUN_ID: return 8;
+ case OVS_KEY_ATTR_IPV4_TUNNEL: return sizeof(struct ovs_key_ipv4_tunnel);
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);
const struct ovs_key_icmpv6 *icmpv6_key;
const struct ovs_key_arp *arp_key;
const struct ovs_key_nd *nd_key;
+ const struct ovs_key_ipv4_tunnel *ipv4_tun_key;
enum ovs_key_attr attr = nl_attr_type(a);
int expected_len;
ds_put_format(ds, "(%#"PRIx64")", ntohll(nl_attr_get_be64(a)));
break;
+ case OVS_KEY_ATTR_IPV4_TUNNEL:
+ ipv4_tun_key = nl_attr_get(a);
+ ds_put_format(ds, "(tun_id=0x%"PRIx64",flags=0x%"PRIx32
+ ",src="IP_FMT",dst="IP_FMT",tos=0x%"PRIx8",ttl=%"PRIu8")",
+ ntohll(ipv4_tun_key->tun_id), ipv4_tun_key->tun_flags,
+ IP_ARGS(&ipv4_tun_key->ipv4_src),
+ IP_ARGS(&ipv4_tun_key->ipv4_dst),
+ ipv4_tun_key->ipv4_tos, ipv4_tun_key->ipv4_ttl);
+ break;
+
case OVS_KEY_ATTR_IN_PORT:
ds_put_format(ds, "(%"PRIu32")", nl_attr_get_u32(a));
break;
}
static int
-parse_odp_key_attr(const char *s, const struct shash *port_names,
+parse_odp_key_attr(const char *s, const struct simap *port_names,
struct ofpbuf *key)
{
/* Many of the sscanf calls in this function use oversized destination
}
}
+ {
+ char tun_id_s[32];
+ unsigned long long int flags;
+ int tos, ttl;
+ struct ovs_key_ipv4_tunnel tun_key;
+ int n = -1;
+
+ if (sscanf(s, "ipv4_tunnel(tun_id=%31[x0123456789abcdefABCDEF],"
+ "flags=%lli,src="IP_SCAN_FMT",dst="IP_SCAN_FMT
+ ",tos=%i,ttl=%i)%n", tun_id_s, &flags,
+ IP_SCAN_ARGS(&tun_key.ipv4_src),
+ IP_SCAN_ARGS(&tun_key.ipv4_dst), &tos, &ttl,
+ &n) > 0 && n > 0) {
+ tun_key.tun_id = htonll(strtoull(tun_id_s, NULL, 0));
+ tun_key.tun_flags = flags;
+ tun_key.ipv4_tos = tos;
+ tun_key.ipv4_ttl = ttl;
+ memset(&tun_key.pad, 0, sizeof tun_key.pad);
+ nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4_TUNNEL, &tun_key,
+ sizeof tun_key);
+ return n;
+ }
+ }
+
{
unsigned long long int in_port;
int n = -1;
if (port_names && !strncmp(s, "in_port(", 8)) {
const char *name;
- const struct shash_node *node;
+ const struct simap_node *node;
int name_len;
name = s + 8;
name_len = strcspn(s, ")");
- node = shash_find_len(port_names, name, name_len);
+ node = simap_find_len(port_names, name, name_len);
if (node) {
- nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, (uintptr_t) node->data);
+ nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, node->data);
return 8 + name_len + 1;
}
}
* data is appended to 'key'. Either way, 'key''s data might be
* reallocated.
*
- * If 'port_names' is nonnull, it points to an shash that maps from a port name
- * to a port number cast to void *. (Port names may be used instead of port
- * numbers in in_port.)
+ * If 'port_names' is nonnull, it points to an simap that maps from a port name
+ * to a port number. (Port names may be used instead of port numbers in
+ * in_port.)
*
* On success, the attributes appended to 'key' are individually syntactically
* valid, but they may not be valid as a sequence. 'key' might, for example,
* have duplicated keys. odp_flow_key_to_flow() will detect those errors. */
int
-odp_flow_key_from_string(const char *s, const struct shash *port_names,
+odp_flow_key_from_string(const char *s, const struct simap *port_names,
struct ofpbuf *key)
{
const size_t old_size = key->size;
: 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.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 (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,
return ODP_FIT_ERROR;
}
}
- } 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)) {
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;
* 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;
}
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);
- return ODP_FIT_ERROR;
- }
- flow->in_port = odp_port_to_ofp_port(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. */
* the start of the cookie. (If 'cookie' is null, then the return value is not
* meaningful.) */
size_t
-odp_put_userspace_action(uint32_t pid, const struct user_action_cookie *cookie,
+odp_put_userspace_action(uint32_t pid, const union user_action_cookie *cookie,
struct ofpbuf *odp_actions)
{
size_t offset;
commit_set_tun_id_action(const struct flow *flow, struct flow *base,
struct ofpbuf *odp_actions)
{
- if (base->tun_id == flow->tun_id) {
+ if (base->tunnel.tun_id == flow->tunnel.tun_id) {
return;
}
- base->tun_id = flow->tun_id;
+ base->tunnel.tun_id = flow->tunnel.tun_id;
commit_set_action(odp_actions, OVS_KEY_ATTR_TUN_ID,
- &base->tun_id, sizeof(base->tun_id));
+ &base->tunnel.tun_id, sizeof(base->tunnel.tun_id));
}
static void
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;
}