/* Extracts the mac, IPv4 and IPv6 addresses from the
* "nbrec_logical_router_port" parameter 'lrp'. Stores the IPv4 and
* IPv6 addresses in the 'ipv4_addrs' and 'ipv6_addrs' fields of
* 'laddrs', respectively. In addition, a link local IPv6 address
* based on the 'mac' member of 'lrp' is added to the 'ipv6_addrs'
* field.
*
* Return true if a valid 'mac' address is found in 'lrp', false otherwise.
*
* The caller must call destroy_lport_addresses(). */
bool
extract_lrp_networks(const struct nbrec_logical_router_port *lrp,
struct lport_addresses *laddrs)
{
memset(laddrs, 0, sizeof *laddrs);
if (!eth_addr_from_string(lrp->mac, &laddrs->ea)) {
laddrs->ea = eth_addr_zero;
return false;
}
snprintf(laddrs->ea_s, sizeof laddrs->ea_s, ETH_ADDR_FMT,
ETH_ADDR_ARGS(laddrs->ea));
for (int i = 0; i < lrp->n_networks; i++) {
ovs_be32 ip4;
struct in6_addr ip6;
unsigned int plen;
char *error;
error = ip_parse_cidr(lrp->networks[i], &ip4, &plen);
if (!error) {
if (!ip4 || plen == 32) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1);
VLOG_WARN_RL(&rl, "bad 'networks' %s", lrp->networks[i]);
continue;
}
add_ipv4_netaddr(laddrs, ip4, plen);
continue;
}
free(error);
error = ipv6_parse_cidr(lrp->networks[i], &ip6, &plen);
if (!error) {
if (plen == 128) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1);
VLOG_WARN_RL(&rl, "bad 'networks' %s", lrp->networks[i]);
continue;
}
add_ipv6_netaddr(laddrs, ip6, plen);
} else {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
VLOG_INFO_RL(&rl, "invalid syntax '%s' in networks",
lrp->networks[i]);
free(error);
}
}
/* Always add the IPv6 link local address. */
struct in6_addr lla;
in6_generate_lla(laddrs->ea, &lla);
add_ipv6_netaddr(laddrs, lla, 64);
return true;
}
enum ofperr
ofputil_decode_bundle_add(const struct ofp_header *oh,
struct ofputil_bundle_add_msg *msg,
enum ofptype *typep)
{
struct ofpbuf b = ofpbuf_const_initializer(oh, ntohs(oh->length));
/* Pull the outer ofp_header. */
enum ofpraw raw = ofpraw_pull_assert(&b);
ovs_assert(raw == OFPRAW_OFPT14_BUNDLE_ADD_MESSAGE
|| raw == OFPRAW_ONFT13_BUNDLE_ADD_MESSAGE);
/* Pull the bundle_ctrl header. */
const struct ofp14_bundle_ctrl_msg *m = ofpbuf_pull(&b, sizeof *m);
msg->bundle_id = ntohl(m->bundle_id);
msg->flags = ntohs(m->flags);
/* Pull the inner ofp_header. */
if (b.size < sizeof(struct ofp_header)) {
return OFPERR_OFPBFC_MSG_BAD_LEN;
}
msg->msg = b.data;
if (msg->msg->version != oh->version) {
return OFPERR_OFPBFC_BAD_VERSION;
}
size_t inner_len = ntohs(msg->msg->length);
if (inner_len < sizeof(struct ofp_header) || inner_len > b.size) {
return OFPERR_OFPBFC_MSG_BAD_LEN;
}
if (msg->msg->xid != oh->xid) {
return OFPERR_OFPBFC_MSG_BAD_XID;
}
/* Reject unbundlable messages. */
enum ofptype type;
enum ofperr error = ofptype_decode(&type, msg->msg);
if (error) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_WARN_RL(&rl, "OFPT14_BUNDLE_ADD_MESSAGE contained "
"message is unparsable (%s)", ofperr_get_name(error));
return OFPERR_OFPBFC_MSG_UNSUP; /* 'error' would be confusing. */
}
if (!ofputil_is_bundlable(type)) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_WARN_RL(&rl, "%s message not allowed inside "
"OFPT14_BUNDLE_ADD_MESSAGE", ofptype_get_name(type));
return OFPERR_OFPBFC_MSG_UNSUP;
}
if (typep) {
*typep = type;
}
return 0;
}
int
check_connection_completion(int fd)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 10);
struct pollfd pfd;
int retval;
pfd.fd = fd;
pfd.events = POLLOUT;
#ifndef _WIN32
do {
retval = poll(&pfd, 1, 0);
} while (retval < 0 && errno == EINTR);
#else
retval = WSAPoll(&pfd, 1, 0);
#endif
if (retval == 1) {
if (pfd.revents & POLLERR) {
ssize_t n = send(fd, "", 1, 0);
if (n < 0) {
return sock_errno();
} else {
VLOG_ERR_RL(&rl, "poll return POLLERR but send succeeded");
return EPROTO;
}
}
return 0;
} else if (retval < 0) {
VLOG_ERR_RL(&rl, "poll: %s", sock_strerror(sock_errno()));
return errno;
} else {
return EAGAIN;
}
}
static void
resize(struct hmap *hmap, size_t new_mask, const char *where)
{
struct hmap tmp;
size_t i;
ovs_assert(is_pow2(new_mask + 1));
hmap_init(&tmp);
if (new_mask) {
tmp.buckets = xmalloc(sizeof *tmp.buckets * (new_mask + 1));
tmp.mask = new_mask;
for (i = 0; i <= tmp.mask; i++) {
tmp.buckets[i] = NULL;
}
}
for (i = 0; i <= hmap->mask; i++) {
struct hmap_node *node, *next;
int count = 0;
for (node = hmap->buckets[i]; node; node = next) {
next = node->next;
hmap_insert_fast(&tmp, node, node->hash);
count++;
}
if (count > 5) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
COVERAGE_INC(hmap_pathological);
VLOG_DBG_RL(&rl, "%s: %d nodes in bucket (%"PRIuSIZE" nodes, %"PRIuSIZE" buckets)",
where, count, hmap->n, hmap->mask + 1);
}
}
hmap_swap(hmap, &tmp);
hmap_destroy(&tmp);
}
/* Perform all of the per-loop processing. */
static void
daemon_run(void)
{
unsigned int new_idl_seqno = ovsdb_idl_get_seqno(idl);
ovsdb_idl_run(idl);
if (ovsdb_idl_is_lock_contended(idl)) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
VLOG_ERR_RL(&rl, "another ops-usermgmt process is running, "
"disabling this process until it goes away");
return;
} else if (!ovsdb_idl_has_lock(idl)) {
return;
}
/* Acquired lock, we're officially ops-usermgmt now. */
if (!populated) {
/* First time we got this far, populate database from passwd. */
if (sync_to_db())
populated = true;
daemonize_complete();
vlog_enable_async();
VLOG_INFO_ONCE("%s (OpenSwitch usermgmt)", program_name);
}
if (new_idl_seqno == idl_seqno)
return;
/* Change in OVSDB detected. */
idl_seqno = new_idl_seqno;
sync_from_db();
}
enum ofperr
bundle_check(const struct ofpact_bundle *bundle, ofp_port_t max_ports,
const struct flow *flow)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
size_t i;
if (bundle->dst.field) {
enum ofperr error = mf_check_dst(&bundle->dst, flow);
if (error) {
return error;
}
}
for (i = 0; i < bundle->n_slaves; i++) {
ofp_port_t ofp_port = bundle->slaves[i];
enum ofperr error;
error = ofpact_check_output_port(ofp_port, max_ports);
if (error) {
VLOG_WARN_RL(&rl, "invalid slave %"PRIu16, ofp_port);
return error;
}
/* Controller slaves are unsupported due to the lack of a max_len
* argument. This may or may not change in the future. There doesn't
* seem to be a real-world use-case for supporting it. */
if (ofp_port == OFPP_CONTROLLER) {
VLOG_WARN_RL(&rl, "unsupported controller slave");
return OFPERR_OFPBAC_BAD_OUT_PORT;
}
}
return 0;
}
void
classifierd_run(void)
{
struct ovsdb_idl_txn *txn;
/* Process a batch of messages from OVSDB. */
ovsdb_idl_run(idl);
if (ovsdb_idl_is_lock_contended(idl)) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
VLOG_ERR_RL(&rl, "Another classifierd process is running, "
"disabling this process until it goes away");
return;
} else if (!ovsdb_idl_has_lock(idl)) {
return;
}
/* Nothing to do until system has been configured, i.e. cur_cfg > 0. */
if (!classifierd_system_is_configured()) {
return;
}
/* Update the local configuration and push any changes to the dB. */
txn = ovsdb_idl_txn_create(idl);
if (classifierd_reconfigure()) {
VLOG_DBG("%s: Committing changes\n",__FUNCTION__);
/* Some OVSDB write needs to happen. */
ovsdb_idl_txn_commit_block(txn);
}
ovsdb_idl_txn_destroy(txn);
return;
} /* classifierd_run */
/* Attempts to make 'ml' learn from the fact that a frame from 'src_mac' was
* just observed arriving from 'src_port' on the given 'vlan'.
*
* Returns nonzero if we actually learned something from this, zero if it just
* confirms what we already knew. The nonzero return value is the tag of flows
* that now need revalidation.
*
* The 'vlan' parameter is used to maintain separate per-VLAN learning tables.
* Specify 0 if this behavior is undesirable.
*
* 'lock_type' specifies whether the entry should be locked or existing locks
* are check. */
tag_type
mac_learning_learn(struct mac_learning *ml,
const uint8_t src_mac[ETH_ADDR_LEN], uint16_t vlan,
uint16_t src_port, enum grat_arp_lock_type lock_type)
{
struct mac_entry *e;
struct list *bucket;
if (!is_learning_vlan(ml, vlan)) {
return 0;
}
if (eth_addr_is_multicast(src_mac)) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(30, 30);
VLOG_DBG_RL(&rl, "multicast packet source "ETH_ADDR_FMT,
ETH_ADDR_ARGS(src_mac));
return 0;
}
bucket = mac_table_bucket(ml, src_mac, vlan);
e = search_bucket(bucket, src_mac, vlan);
if (!e) {
if (!list_is_empty(&ml->free)) {
e = mac_entry_from_lru_node(ml->free.next);
} else {
e = mac_entry_from_lru_node(ml->lrus.next);
list_remove(&e->hash_node);
}
memcpy(e->mac, src_mac, ETH_ADDR_LEN);
list_push_front(bucket, &e->hash_node);
e->port = -1;
e->vlan = vlan;
e->tag = make_unknown_mac_tag(ml, src_mac, vlan);
e->grat_arp_lock = TIME_MIN;
}
if (lock_type != GRAT_ARP_LOCK_CHECK || time_now() >= e->grat_arp_lock) {
/* Make the entry most-recently-used. */
list_remove(&e->lru_node);
list_push_back(&ml->lrus, &e->lru_node);
e->expires = time_now() + MAC_ENTRY_IDLE_TIME;
if (lock_type == GRAT_ARP_LOCK_SET) {
e->grat_arp_lock = time_now() + MAC_GRAT_ARP_LOCK_TIME;
}
/* Did we learn something? */
if (e->port != src_port) {
tag_type old_tag = e->tag;
e->port = src_port;
e->tag = tag_create_random();
COVERAGE_INC(mac_learning_learned);
return old_tag;
}
}
return 0;
}
/* Translates 'host_name', which must be a string representation of an IPv6
* address, into a numeric IPv6 address in '*addr'. Returns 0 if successful,
* otherwise a positive errno value. */
int
lookup_ipv6(const char *host_name, struct in6_addr *addr)
{
if (!ipv6_parse(host_name, addr)) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_ERR_RL(&rl, "\"%s\" is not a valid IPv6 address", host_name);
return ENOENT;
}
return 0;
}
/* Translates 'host_name', which must be a string representation of an IP
* address, into a numeric IP address in '*addr'. Returns 0 if successful,
* otherwise a positive errno value. */
int
lookup_ip(const char *host_name, struct in_addr *addr)
{
if (!inet_pton(AF_INET, host_name, addr)) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_ERR_RL(&rl, "\"%s\" is not a valid IP address", host_name);
return ENOENT;
}
return 0;
}
static void
ipf_print_reass_packet(const char *es, const void *pkt)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
if (!VLOG_DROP_WARN(&rl)) {
struct ds ds = DS_EMPTY_INITIALIZER;
ds_put_hex_dump(&ds, pkt, 128, 0, false);
VLOG_WARN("%s\n%s", es, ds_cstr(&ds));
ds_destroy(&ds);
}
}
/* Extracts the mac, IPv4 and IPv6 addresses from * 'address' which
* should be of the format 'MAC [IP1 IP2 ..]" where IPn should be a
* valid IPv4 or IPv6 address and stores them in the 'ipv4_addrs' and
* 'ipv6_addrs' fields of 'laddrs'.
*
* Return true if at least 'MAC' is found in 'address', false otherwise.
*
* The caller must call destroy_lport_addresses(). */
bool
extract_lsp_addresses(const char *address, struct lport_addresses *laddrs)
{
int ofs;
bool success = extract_addresses(address, laddrs, &ofs);
if (success && ofs < strlen(address)) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
VLOG_INFO_RL(&rl, "invalid syntax '%s' in address", address);
}
return success;
}
static const char *
get_chassis_id(const struct ovsdb_idl *ovs_idl)
{
const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(ovs_idl);
const char *chassis_id = cfg ? smap_get(&cfg->external_ids, "system-id") : NULL;
if (!chassis_id) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1);
VLOG_WARN_RL(&rl, "'system-id' in Open_vSwitch database is missing.");
}
return chassis_id;
}
int
check_connection_completion(int fd)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 10);
struct pollfd pfd;
int retval;
pfd.fd = fd;
pfd.events = POLLOUT;
#ifndef _WIN32
do {
retval = poll(&pfd, 1, 0);
} while (retval < 0 && errno == EINTR);
#else
fd_set wrset, exset;
FD_ZERO(&wrset);
FD_ZERO(&exset);
FD_SET(fd, &exset);
FD_SET(fd, &wrset);
pfd.revents = 0;
struct timeval tv = { 0, 0 };
/* WSAPoll is broken on Windows, instead do a select */
retval = select(0, NULL, &wrset, &exset, &tv);
if (retval == 1) {
if (FD_ISSET(fd, &wrset)) {
pfd.revents |= pfd.events;
}
if (FD_ISSET(fd, &exset)) {
pfd.revents |= POLLERR;
}
}
#endif
if (retval == 1) {
if (pfd.revents & POLLERR) {
ssize_t n = send(fd, "", 1, 0);
if (n < 0) {
return sock_errno();
} else {
VLOG_ERR_RL(&rl, "poll return POLLERR but send succeeded");
return EPROTO;
}
}
return 0;
} else if (retval < 0) {
VLOG_ERR_RL(&rl, "poll: %s", sock_strerror(sock_errno()));
return errno;
} else {
return EAGAIN;
}
}
/* Extracts the mac, IPv4 and IPv6 addresses from * 'address' which
* should be of the format 'MAC [IP1 IP2 ..]" where IPn should be a
* valid IPv4 or IPv6 address and stores them in the 'ipv4_addrs' and
* 'ipv6_addrs' fields of 'laddrs'.
*
* Return true if at least 'MAC' is found in 'address', false otherwise.
*
* The caller must call destroy_lport_addresses(). */
bool
extract_lsp_addresses(const char *address, struct lport_addresses *laddrs)
{
memset(laddrs, 0, sizeof *laddrs);
const char *buf = address;
int buf_index = 0;
const char *buf_end = buf + strlen(address);
if (!ovs_scan_len(buf, &buf_index, ETH_ADDR_SCAN_FMT,
ETH_ADDR_SCAN_ARGS(laddrs->ea))) {
laddrs->ea = eth_addr_zero;
return false;
}
snprintf(laddrs->ea_s, sizeof laddrs->ea_s, ETH_ADDR_FMT,
ETH_ADDR_ARGS(laddrs->ea));
ovs_be32 ip4;
struct in6_addr ip6;
unsigned int plen;
char *error;
/* Loop through the buffer and extract the IPv4/IPv6 addresses
* and store in the 'laddrs'. Break the loop if invalid data is found.
*/
buf += buf_index;
while (buf < buf_end) {
buf_index = 0;
error = ip_parse_cidr_len(buf, &buf_index, &ip4, &plen);
if (!error) {
add_ipv4_netaddr(laddrs, ip4, plen);
buf += buf_index;
continue;
}
free(error);
error = ipv6_parse_cidr_len(buf, &buf_index, &ip6, &plen);
if (!error) {
add_ipv6_netaddr(laddrs, ip6, plen);
} else {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
VLOG_INFO_RL(&rl, "invalid syntax '%s' in address", address);
free(error);
break;
}
buf += buf_index;
}
return true;
}
static void
update_ct_zones(struct sset *lports, struct simap *ct_zones,
unsigned long *ct_zone_bitmap)
{
struct simap_node *ct_zone, *ct_zone_next;
const char *iface_id;
int scan_start = 1;
/* xxx This is wasteful to assign a zone to each port--even if no
* xxx security policy is applied. */
/* Delete any zones that are associated with removed ports. */
SIMAP_FOR_EACH_SAFE(ct_zone, ct_zone_next, ct_zones) {
if (!sset_contains(lports, ct_zone->name)) {
bitmap_set0(ct_zone_bitmap, ct_zone->data);
simap_delete(ct_zones, ct_zone);
}
}
/* Assign a unique zone id for each logical port. */
SSET_FOR_EACH(iface_id, lports) {
size_t zone;
if (simap_contains(ct_zones, iface_id)) {
continue;
}
/* We assume that there are 64K zones and that we own them all. */
zone = bitmap_scan(ct_zone_bitmap, 0, scan_start, MAX_CT_ZONES + 1);
if (zone == MAX_CT_ZONES + 1) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
VLOG_WARN_RL(&rl, "exhausted all ct zones");
return;
}
scan_start = zone + 1;
bitmap_set1(ct_zone_bitmap, zone);
simap_put(ct_zones, iface_id, zone);
/* xxx We should erase any old entries for this
* xxx zone, but we need a generic interface to the conntrack
* xxx table. */
}
static const struct ovsrec_bridge *
get_br_int(struct ovsdb_idl *ovs_idl)
{
const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(ovs_idl);
if (!cfg) {
return NULL;
}
const char *br_int_name = smap_get(&cfg->external_ids, "ovn-bridge");
if (!br_int_name) {
br_int_name = DEFAULT_BRIDGE_NAME;
}
const struct ovsrec_bridge *br;
OVSREC_BRIDGE_FOR_EACH (br, ovs_idl) {
if (!strcmp(br->name, br_int_name)) {
return br;
}
}
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
VLOG_WARN_RL(&rl, "%s: integration bridge does not exist", br_int_name);
return NULL;
}
#include "coverage.h"
#include "fatal-signal.h"
#include "netdev-provider.h"
#include "openvswitch/ofpbuf.h"
#include "packets.h"
#include "poll-loop.h"
#include "openvswitch/shash.h"
#include "svec.h"
#include "openvswitch/vlog.h"
#include "odp-netlink.h"
#include "netlink-socket.h"
#include "netlink.h"
VLOG_DEFINE_THIS_MODULE(netdev_windows);
static struct vlog_rate_limit error_rl = VLOG_RATE_LIMIT_INIT(9999, 5);
enum {
VALID_ETHERADDR = 1 << 0,
VALID_MTU = 1 << 1,
VALID_IFFLAG = 1 << 5,
};
/* Caches the information of a netdev. */
struct netdev_windows {
struct netdev up;
int32_t dev_type;
uint32_t port_no;
unsigned int change_seq;
/* Blocks until one or more of the events registered with poll_fd_wait()
* occurs, or until the minimum duration registered with poll_timer_wait()
* elapses, or not at all if poll_immediate_wake() has been called.
*
* Also executes any autonomous subroutines registered with poll_fd_callback(),
* if their file descriptors have become ready. */
void
poll_block(void)
{
static struct pollfd *pollfds;
static size_t max_pollfds;
struct poll_waiter *pw;
struct list *node;
int n_pollfds;
int retval;
assert(!running_cb);
if (max_pollfds < n_waiters) {
max_pollfds = n_waiters;
pollfds = xrealloc(pollfds, max_pollfds * sizeof *pollfds);
}
n_pollfds = 0;
LIST_FOR_EACH (pw, struct poll_waiter, node, &waiters) {
pw->pollfd = &pollfds[n_pollfds];
pollfds[n_pollfds].fd = pw->fd;
pollfds[n_pollfds].events = pw->events;
pollfds[n_pollfds].revents = 0;
n_pollfds++;
}
retval = time_poll(pollfds, n_pollfds, timeout);
if (retval < 0) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_ERR_RL(&rl, "poll: %s", strerror(-retval));
} else if (!retval && VLOG_IS_DBG_ENABLED()) {
log_wakeup(&timeout_backtrace, "%d-ms timeout", timeout);
}
for (node = waiters.next; node != &waiters; ) {
pw = CONTAINER_OF(node, struct poll_waiter, node);
if (!pw->pollfd || !pw->pollfd->revents) {
if (pw->function) {
node = node->next;
continue;
}
} else {
if (VLOG_IS_DBG_ENABLED()) {
log_wakeup(pw->backtrace, "%s%s%s%s%s on fd %d",
pw->pollfd->revents & POLLIN ? "[POLLIN]" : "",
pw->pollfd->revents & POLLOUT ? "[POLLOUT]" : "",
pw->pollfd->revents & POLLERR ? "[POLLERR]" : "",
pw->pollfd->revents & POLLHUP ? "[POLLHUP]" : "",
pw->pollfd->revents & POLLNVAL ? "[POLLNVAL]" : "",
pw->fd);
}
if (pw->function) {
#ifndef NDEBUG
running_cb = pw;
#endif
pw->function(pw->fd, pw->pollfd->revents, pw->aux);
#ifndef NDEBUG
running_cb = NULL;
#endif
}
}
node = node->next;
poll_cancel(pw);
}
timeout = -1;
timeout_backtrace.n_frames = 0;
}
#define DPDK_DEBUG() VLOG_DBG_RL(&dpmsg_rl, "%s: %s Line %d\n", __FILE__, __FUNCTION__, __LINE__);
#define BR_PREFIX_LEN 2
#define BR_PREFIX "br"
#define DPIF_SOCKNAME "\0dpif-dpdk"
#define SIGNAL_HANDLED(sock_fd, sock_msg) \
do { \
recvfrom(sock_fd, &sock_msg, sizeof(sock_msg), 0, NULL, NULL); \
} while (0)
VLOG_DEFINE_THIS_MODULE(dpif_dpdk);
static int dpdk_sock = -1;
static struct vlog_rate_limit dpmsg_rl = VLOG_RATE_LIMIT_INIT(600, 600);
static void dpif_dpdk_flow_init(struct dpif_dpdk_flow_message *);
static int dpif_dpdk_flow_transact(struct dpif_dpdk_flow_message *request,
struct dpif_dpdk_flow_message *reply);
static void dpif_dpdk_flow_get_stats(const struct dpif_dpdk_flow_message *,
struct dpif_flow_stats *);
static void dpif_dpdk_flow_key_from_flow(struct dpif_dpdk_flow_key *,
const struct flow *);
static void dpif_dpdk_flow_key_to_flow(const struct dpif_dpdk_flow_key *,
struct flow *);
static void dpif_dpdk_flow_actions_to_actions(const struct dpif_dpdk_action *,
struct ofpbuf *);
static int dpif_dpdk_init(void);
static void flow_message_get_create(const struct dpif *dpif_ OVS_UNUSED,
const struct nlattr *key, size_t key_len,
/* Checks that 'nab' specifies a bundle action which is supported by this
* bundle module. Uses the 'max_ports' parameter to validate each port using
* ofputil_check_output_port(). Returns 0 if 'nab' is supported, otherwise an
* OpenFlow error code (as returned by ofp_mkerr()). */
int
bundle_check(const struct nx_action_bundle *nab, int max_ports,
const struct flow *flow)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
uint16_t n_slaves, fields, algorithm, subtype;
uint32_t slave_type;
size_t slaves_size, i;
int error;
subtype = ntohs(nab->subtype);
n_slaves = ntohs(nab->n_slaves);
fields = ntohs(nab->fields);
algorithm = ntohs(nab->algorithm);
slave_type = ntohl(nab->slave_type);
slaves_size = ntohs(nab->len) - sizeof *nab;
error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT);
if (!flow_hash_fields_valid(fields)) {
VLOG_WARN_RL(&rl, "unsupported fields %"PRIu16, fields);
} else if (n_slaves > BUNDLE_MAX_SLAVES) {
VLOG_WARN_RL(&rl, "too may slaves");
} else if (algorithm != NX_BD_ALG_HRW
&& algorithm != NX_BD_ALG_ACTIVE_BACKUP) {
VLOG_WARN_RL(&rl, "unsupported algorithm %"PRIu16, algorithm);
} else if (slave_type != NXM_OF_IN_PORT) {
VLOG_WARN_RL(&rl, "unsupported slave type %"PRIu16, slave_type);
} else {
error = 0;
}
for (i = 0; i < sizeof(nab->zero); i++) {
if (nab->zero[i]) {
VLOG_WARN_RL(&rl, "reserved field is nonzero");
error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT);
}
}
if (subtype == NXAST_BUNDLE && (nab->ofs_nbits || nab->dst)) {
VLOG_WARN_RL(&rl, "bundle action has nonzero reserved fields");
error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT);
}
if (subtype == NXAST_BUNDLE_LOAD) {
int ofs = nxm_decode_ofs(nab->ofs_nbits);
int n_bits = nxm_decode_n_bits(nab->ofs_nbits);
if (n_bits < 16) {
VLOG_WARN_RL(&rl, "bundle_load action requires at least 16 bit "
"destination.");
error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT);
} else {
error = nxm_dst_check(nab->dst, ofs, n_bits, flow) || error;
}
}
if (slaves_size < n_slaves * sizeof(ovs_be16)) {
VLOG_WARN_RL(&rl, "Nicira action %"PRIu16" only has %zu bytes "
"allocated for slaves. %zu bytes are required for "
"%"PRIu16" slaves.", subtype, slaves_size,
n_slaves * sizeof(ovs_be16), n_slaves);
error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_LEN);
}
for (i = 0; i < n_slaves; i++) {
uint16_t ofp_port = bundle_get_slave(nab, i);
int ofputil_error = ofputil_check_output_port(ofp_port, max_ports);
if (ofputil_error) {
VLOG_WARN_RL(&rl, "invalid slave %"PRIu16, ofp_port);
error = ofputil_error;
}
/* Controller slaves are unsupported due to the lack of a max_len
* argument. This may or may not change in the future. There doesn't
* seem to be a real-world use-case for supporting it. */
if (ofp_port == OFPP_CONTROLLER) {
VLOG_WARN_RL(&rl, "unsupported controller slave");
error = ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_BAD_OUT_PORT);
}
}
return error;
}
struct rconn; #include "mpls-fib.h" #include "mpls-switch.h" #include "read-mpls-fib.h" #define THIS_MODULE VLM_mpls_switch #include "vlog.h" // MAH: start // XXX TEMPORARY #include "vconn-mpls.h" // MAH: end /* The log messages here could actually be useful in debugging, so keep the * rate limit relatively high. */ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(30, 300); static void send_features_request(struct mpls_switch *sw, struct rconn *rconn); void queue_tx(struct mpls_switch *, struct rconn *, struct ofpbuf *); static void send_features_request(struct mpls_switch *, struct rconn *); static void schedule_query(struct mpls_switch *, long long int delay); typedef void packet_handler_func(struct mpls_switch *, struct rconn *, void *); static packet_handler_func process_switch_features; static packet_handler_func process_packet_in; static packet_handler_func process_echo_request; static packet_handler_func process_port_status; static packet_handler_func process_phy_port; static packet_handler_func process_stats_reply;
static struct ofpbuf *
ofperr_encode_msg__(enum ofperr error, enum ofp_version ofp_version,
ovs_be32 xid, const void *data, size_t data_len)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
const struct ofperr_domain *domain;
const struct triplet *triplet;
struct ofp_error_msg *oem;
struct ofpbuf *buf;
/* Get the error domain for 'ofp_version', or fall back to OF1.0. */
domain = ofperr_domain_from_version(ofp_version);
if (!domain) {
VLOG_ERR_RL(&rl, "cannot encode error for unknown OpenFlow "
"version 0x%02x", ofp_version);
domain = &ofperr_of10;
}
/* Make sure 'error' is valid in 'domain', or use a fallback error. */
if (!ofperr_is_valid(error)) {
/* 'error' seems likely to be a system errno value. */
VLOG_ERR_RL(&rl, "invalid OpenFlow error code %d (%s)",
error, ovs_strerror(error));
error = OFPERR_NXBRC_UNENCODABLE_ERROR;
} else if (domain->errors[error - OFPERR_OFS].code < 0) {
VLOG_ERR_RL(&rl, "cannot encode %s for %s",
ofperr_get_name(error), domain->name);
error = OFPERR_NXBRC_UNENCODABLE_ERROR;
}
triplet = ofperr_get_triplet__(error, domain);
if (!triplet->vendor) {
buf = ofpraw_alloc_xid(OFPRAW_OFPT_ERROR, domain->version, xid,
sizeof *oem + data_len);
oem = ofpbuf_put_uninit(buf, sizeof *oem);
oem->type = htons(triplet->type);
oem->code = htons(triplet->code);
} else if (ofp_version <= OFP11_VERSION) {
struct nx_vendor_error *nve;
buf = ofpraw_alloc_xid(OFPRAW_OFPT_ERROR, domain->version, xid,
sizeof *oem + sizeof *nve + data_len);
oem = ofpbuf_put_uninit(buf, sizeof *oem);
oem->type = htons(NXET_VENDOR);
oem->code = htons(NXVC_VENDOR_ERROR);
nve = ofpbuf_put_uninit(buf, sizeof *nve);
nve->vendor = htonl(triplet->vendor);
nve->type = htons(triplet->type);
nve->code = htons(triplet->code);
} else {
ovs_be32 vendor = htonl(triplet->vendor);
buf = ofpraw_alloc_xid(OFPRAW_OFPT_ERROR, domain->version, xid,
sizeof *oem + sizeof(uint32_t) + data_len);
oem = ofpbuf_put_uninit(buf, sizeof *oem);
oem->type = htons(OFPET12_EXPERIMENTER);
oem->code = htons(triplet->type);
ofpbuf_put(buf, &vendor, sizeof vendor);
}
ofpbuf_put(buf, data, MIN(data_len, UINT16_MAX - buf->size));
ofpmsg_update_length(buf);
return buf;
}
#define LOG_MODULE VLM_vconn_stream
/* Active stream socket vconn. */
struct stream_vconn
{
struct vconn vconn;
int fd;
struct ofpbuf *rxbuf;
struct ofpbuf *txbuf;
struct poll_waiter *tx_waiter;
};
static struct vconn_class stream_vconn_class;
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 25);
static void stream_clear_txbuf(struct stream_vconn *);
int
new_stream_vconn(const char *name, int fd, int connect_status,
uint32_t ip, bool reconnectable, struct vconn **vconnp)
{
struct stream_vconn *s;
s = xmalloc(sizeof *s);
vconn_init(&s->vconn, &stream_vconn_class, connect_status, ip, name,
reconnectable);
s->fd = fd;
s->txbuf = NULL;
s->tx_waiter = NULL;
#include <sys/types.h>
#include "compiler.h"
#include "group_table.h"
#include "datapath.h"
#include "dp_actions.h"
#include "hmap.h"
#include "packet.h"
#include "util.h"
#include "openflow/openflow.h"
#include "oflib/ofl.h"
#include "oflib/ofl-messages.h"
#include "vlog.h"
#define LOG_MODULE VLM_group_t
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(60, 60);
static bool
is_loop_free(struct group_table *table, struct group_entry *mod_entry);
struct group_entry *
group_table_find(struct group_table *table, uint32_t group_id) {
struct hmap_node *hnode;
hnode = hmap_first_with_hash(&table->entries, group_id);
if (hnode == NULL) {
return NULL;
}
/* Checks that 'nab' specifies a bundle action which is supported by this
* bundle module. Uses the 'max_ports' parameter to validate each port using
* ofputil_check_output_port(). Returns 0 if 'nab' is supported, otherwise an
* OFPERR_* error code. */
enum ofperr
bundle_from_openflow(const struct nx_action_bundle *nab,
struct ofpbuf *ofpacts)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
struct ofpact_bundle *bundle;
uint16_t subtype;
uint32_t slave_type;
size_t slaves_size, i;
enum ofperr error;
bundle = ofpact_put_BUNDLE(ofpacts);
subtype = ntohs(nab->subtype);
bundle->n_slaves = ntohs(nab->n_slaves);
bundle->basis = ntohs(nab->basis);
bundle->fields = ntohs(nab->fields);
bundle->algorithm = ntohs(nab->algorithm);
slave_type = ntohl(nab->slave_type);
slaves_size = ntohs(nab->len) - sizeof *nab;
error = OFPERR_OFPBAC_BAD_ARGUMENT;
if (!flow_hash_fields_valid(bundle->fields)) {
VLOG_WARN_RL(&rl, "unsupported fields %d", (int) bundle->fields);
} else if (bundle->n_slaves > BUNDLE_MAX_SLAVES) {
VLOG_WARN_RL(&rl, "too may slaves");
} else if (bundle->algorithm != NX_BD_ALG_HRW
&& bundle->algorithm != NX_BD_ALG_ACTIVE_BACKUP) {
VLOG_WARN_RL(&rl, "unsupported algorithm %d", (int) bundle->algorithm);
} else if (slave_type != NXM_OF_IN_PORT) {
VLOG_WARN_RL(&rl, "unsupported slave type %"PRIu16, slave_type);
} else {
error = 0;
}
if (!is_all_zeros(nab->zero, sizeof nab->zero)) {
VLOG_WARN_RL(&rl, "reserved field is nonzero");
error = OFPERR_OFPBAC_BAD_ARGUMENT;
}
if (subtype == NXAST_BUNDLE && (nab->ofs_nbits || nab->dst)) {
VLOG_WARN_RL(&rl, "bundle action has nonzero reserved fields");
error = OFPERR_OFPBAC_BAD_ARGUMENT;
}
if (subtype == NXAST_BUNDLE_LOAD) {
bundle->dst.field = mf_from_nxm_header(ntohl(nab->dst));
bundle->dst.ofs = nxm_decode_ofs(nab->ofs_nbits);
bundle->dst.n_bits = nxm_decode_n_bits(nab->ofs_nbits);
if (bundle->dst.n_bits < 16) {
VLOG_WARN_RL(&rl, "bundle_load action requires at least 16 bit "
"destination.");
error = OFPERR_OFPBAC_BAD_ARGUMENT;
}
}
if (slaves_size < bundle->n_slaves * sizeof(ovs_be16)) {
VLOG_WARN_RL(&rl, "Nicira action %"PRIu16" only has %"PRIuSIZE" bytes "
"allocated for slaves. %"PRIuSIZE" bytes are required for "
"%"PRIu16" slaves.", subtype, slaves_size,
bundle->n_slaves * sizeof(ovs_be16), bundle->n_slaves);
error = OFPERR_OFPBAC_BAD_LEN;
}
for (i = 0; i < bundle->n_slaves; i++) {
uint16_t ofp_port = ntohs(((ovs_be16 *)(nab + 1))[i]);
ofpbuf_put(ofpacts, &ofp_port, sizeof ofp_port);
}
bundle = ofpacts->l2;
ofpact_update_len(ofpacts, &bundle->ofpact);
if (!error) {
error = bundle_check(bundle, OFPP_MAX, NULL);
}
return error;
}
