#include <config.h>
#include "netdev-tc-offloads.h"
+
#include <errno.h>
#include <linux/if_ether.h>
+
+#include "dpif.h"
+#include "hash.h"
#include "openvswitch/hmap.h"
#include "openvswitch/match.h"
#include "openvswitch/ofpbuf.h"
#include "openvswitch/thread.h"
#include "openvswitch/types.h"
+#include "openvswitch/util.h"
#include "openvswitch/vlog.h"
-#include "netdev-provider.h"
+#include "netdev-linux.h"
#include "netlink.h"
#include "netlink-socket.h"
#include "odp-netlink.h"
+#include "odp-util.h"
+#include "tc.h"
#include "unaligned.h"
#include "util.h"
-#include "hash.h"
-#include "dpif.h"
-#include "tc.h"
VLOG_DEFINE_THIS_MODULE(netdev_tc_offloads);
static struct vlog_rate_limit error_rl = VLOG_RATE_LIMIT_INIT(60, 5);
+static struct hmap ufid_tc = HMAP_INITIALIZER(&ufid_tc);
+static bool multi_mask_per_prio = false;
+
+struct netlink_field {
+ int offset;
+ int flower_offset;
+ int size;
+};
+
+static struct netlink_field set_flower_map[][3] = {
+ [OVS_KEY_ATTR_IPV4] = {
+ { offsetof(struct ovs_key_ipv4, ipv4_src),
+ offsetof(struct tc_flower_key, ipv4.ipv4_src),
+ MEMBER_SIZEOF(struct tc_flower_key, ipv4.ipv4_src)
+ },
+ { offsetof(struct ovs_key_ipv4, ipv4_dst),
+ offsetof(struct tc_flower_key, ipv4.ipv4_dst),
+ MEMBER_SIZEOF(struct tc_flower_key, ipv4.ipv4_dst)
+ },
+ { offsetof(struct ovs_key_ipv4, ipv4_ttl),
+ offsetof(struct tc_flower_key, ipv4.rewrite_ttl),
+ MEMBER_SIZEOF(struct tc_flower_key, ipv4.rewrite_ttl)
+ },
+ },
+ [OVS_KEY_ATTR_IPV6] = {
+ { offsetof(struct ovs_key_ipv6, ipv6_src),
+ offsetof(struct tc_flower_key, ipv6.ipv6_src),
+ MEMBER_SIZEOF(struct tc_flower_key, ipv6.ipv6_src)
+ },
+ { offsetof(struct ovs_key_ipv6, ipv6_dst),
+ offsetof(struct tc_flower_key, ipv6.ipv6_dst),
+ MEMBER_SIZEOF(struct tc_flower_key, ipv6.ipv6_dst)
+ },
+ },
+ [OVS_KEY_ATTR_ETHERNET] = {
+ { offsetof(struct ovs_key_ethernet, eth_src),
+ offsetof(struct tc_flower_key, src_mac),
+ MEMBER_SIZEOF(struct tc_flower_key, src_mac)
+ },
+ { offsetof(struct ovs_key_ethernet, eth_dst),
+ offsetof(struct tc_flower_key, dst_mac),
+ MEMBER_SIZEOF(struct tc_flower_key, dst_mac)
+ },
+ },
+ [OVS_KEY_ATTR_ETHERTYPE] = {
+ { 0,
+ offsetof(struct tc_flower_key, eth_type),
+ MEMBER_SIZEOF(struct tc_flower_key, eth_type)
+ },
+ },
+ [OVS_KEY_ATTR_TCP] = {
+ { offsetof(struct ovs_key_tcp, tcp_src),
+ offsetof(struct tc_flower_key, tcp_src),
+ MEMBER_SIZEOF(struct tc_flower_key, tcp_src)
+ },
+ { offsetof(struct ovs_key_tcp, tcp_dst),
+ offsetof(struct tc_flower_key, tcp_dst),
+ MEMBER_SIZEOF(struct tc_flower_key, tcp_dst)
+ },
+ },
+ [OVS_KEY_ATTR_UDP] = {
+ { offsetof(struct ovs_key_udp, udp_src),
+ offsetof(struct tc_flower_key, udp_src),
+ MEMBER_SIZEOF(struct tc_flower_key, udp_src)
+ },
+ { offsetof(struct ovs_key_udp, udp_dst),
+ offsetof(struct tc_flower_key, udp_dst),
+ MEMBER_SIZEOF(struct tc_flower_key, udp_dst)
+ },
+ },
+};
+
+static struct ovs_mutex ufid_lock = OVS_MUTEX_INITIALIZER;
+
+/**
+ * struct ufid_tc_data - data entry for ufid_tc hmap.
+ * @ufid_node: Element in @ufid_tc hash table by ufid key.
+ * @tc_node: Element in @ufid_tc hash table by prio/handle/ifindex key.
+ * @ufid: ufid assigned to the flow
+ * @prio: tc priority
+ * @handle: tc handle
+ * @ifindex: netdev ifindex.
+ * @netdev: netdev associated with the tc rule
+ */
+struct ufid_tc_data {
+ struct hmap_node ufid_node;
+ struct hmap_node tc_node;
+ ovs_u128 ufid;
+ uint16_t prio;
+ uint32_t handle;
+ int ifindex;
+ struct netdev *netdev;
+};
+
+/* Remove matching ufid entry from ufid_tc hashmap. */
+static void
+del_ufid_tc_mapping(const ovs_u128 *ufid)
+{
+ size_t ufid_hash = hash_bytes(ufid, sizeof *ufid, 0);
+ struct ufid_tc_data *data;
+
+ ovs_mutex_lock(&ufid_lock);
+ HMAP_FOR_EACH_WITH_HASH(data, ufid_node, ufid_hash, &ufid_tc) {
+ if (ovs_u128_equals(*ufid, data->ufid)) {
+ break;
+ }
+ }
+
+ if (!data) {
+ ovs_mutex_unlock(&ufid_lock);
+ return;
+ }
+
+ hmap_remove(&ufid_tc, &data->ufid_node);
+ hmap_remove(&ufid_tc, &data->tc_node);
+ netdev_close(data->netdev);
+ free(data);
+ ovs_mutex_unlock(&ufid_lock);
+}
+
+/* Add ufid entry to ufid_tc hashmap.
+ * If entry exists already it will be replaced. */
+static void
+add_ufid_tc_mapping(const ovs_u128 *ufid, int prio, int handle,
+ struct netdev *netdev, int ifindex)
+{
+ size_t ufid_hash = hash_bytes(ufid, sizeof *ufid, 0);
+ size_t tc_hash = hash_int(hash_int(prio, handle), ifindex);
+ struct ufid_tc_data *new_data = xzalloc(sizeof *new_data);
+
+ del_ufid_tc_mapping(ufid);
+
+ new_data->ufid = *ufid;
+ new_data->prio = prio;
+ new_data->handle = handle;
+ new_data->netdev = netdev_ref(netdev);
+ new_data->ifindex = ifindex;
+
+ ovs_mutex_lock(&ufid_lock);
+ hmap_insert(&ufid_tc, &new_data->ufid_node, ufid_hash);
+ hmap_insert(&ufid_tc, &new_data->tc_node, tc_hash);
+ ovs_mutex_unlock(&ufid_lock);
+}
+
+/* Get ufid from ufid_tc hashmap.
+ *
+ * If netdev output param is not NULL then the function will return
+ * associated netdev on success and a refcount is taken on that netdev.
+ * The caller is then responsible to close the netdev.
+ *
+ * Returns handle if successful and fill prio and netdev for that ufid.
+ * Otherwise returns 0.
+ */
+static int
+get_ufid_tc_mapping(const ovs_u128 *ufid, int *prio, struct netdev **netdev)
+{
+ size_t ufid_hash = hash_bytes(ufid, sizeof *ufid, 0);
+ struct ufid_tc_data *data;
+ int handle = 0;
+
+ ovs_mutex_lock(&ufid_lock);
+ HMAP_FOR_EACH_WITH_HASH(data, ufid_node, ufid_hash, &ufid_tc) {
+ if (ovs_u128_equals(*ufid, data->ufid)) {
+ if (prio) {
+ *prio = data->prio;
+ }
+ if (netdev) {
+ *netdev = netdev_ref(data->netdev);
+ }
+ handle = data->handle;
+ break;
+ }
+ }
+ ovs_mutex_unlock(&ufid_lock);
+
+ return handle;
+}
+
+/* Find ufid entry in ufid_tc hashmap using prio, handle and netdev.
+ * The result is saved in ufid.
+ *
+ * Returns true on success.
+ */
+static bool
+find_ufid(int prio, int handle, struct netdev *netdev, ovs_u128 *ufid)
+{
+ int ifindex = netdev_get_ifindex(netdev);
+ struct ufid_tc_data *data;
+ size_t tc_hash = hash_int(hash_int(prio, handle), ifindex);
+
+ ovs_mutex_lock(&ufid_lock);
+ HMAP_FOR_EACH_WITH_HASH(data, tc_node, tc_hash, &ufid_tc) {
+ if (data->prio == prio && data->handle == handle
+ && data->ifindex == ifindex) {
+ *ufid = data->ufid;
+ break;
+ }
+ }
+ ovs_mutex_unlock(&ufid_lock);
+
+ return (data != NULL);
+}
+
+struct prio_map_data {
+ struct hmap_node node;
+ struct tc_flower_key mask;
+ ovs_be16 protocol;
+ uint16_t prio;
+};
+
+/* Get free prio for tc flower
+ * If prio is already allocated for mask/eth_type combination then return it.
+ * If not assign new prio.
+ *
+ * Return prio on success or 0 if we are out of prios.
+ */
+static uint16_t
+get_prio_for_tc_flower(struct tc_flower *flower)
+{
+ static struct hmap prios = HMAP_INITIALIZER(&prios);
+ static struct ovs_mutex prios_lock = OVS_MUTEX_INITIALIZER;
+ static uint16_t last_prio = 0;
+ size_t key_len = sizeof(struct tc_flower_key);
+ size_t hash = hash_int((OVS_FORCE uint32_t) flower->key.eth_type, 0);
+ struct prio_map_data *data;
+ struct prio_map_data *new_data;
+
+ if (!multi_mask_per_prio) {
+ hash = hash_bytes(&flower->mask, key_len, hash);
+ }
+
+ /* We can use the same prio for same mask/eth combination but must have
+ * different prio if not. Flower classifier will reject same prio for
+ * different mask combination unless multi mask per prio is supported. */
+ ovs_mutex_lock(&prios_lock);
+ HMAP_FOR_EACH_WITH_HASH(data, node, hash, &prios) {
+ if ((multi_mask_per_prio
+ || !memcmp(&flower->mask, &data->mask, key_len))
+ && data->protocol == flower->key.eth_type) {
+ ovs_mutex_unlock(&prios_lock);
+ return data->prio;
+ }
+ }
+
+ if (last_prio == UINT16_MAX) {
+ /* last_prio can overflow if there will be many different kinds of
+ * flows which shouldn't happen organically. */
+ ovs_mutex_unlock(&prios_lock);
+ return 0;
+ }
+
+ new_data = xzalloc(sizeof *new_data);
+ memcpy(&new_data->mask, &flower->mask, key_len);
+ new_data->prio = ++last_prio;
+ new_data->protocol = flower->key.eth_type;
+ hmap_insert(&prios, &new_data->node, hash);
+ ovs_mutex_unlock(&prios_lock);
+
+ return new_data->prio;
+}
+
int
netdev_tc_flow_flush(struct netdev *netdev)
{
int ifindex = netdev_get_ifindex(netdev);
if (ifindex < 0) {
- VLOG_ERR_RL(&error_rl, "failed to get ifindex for %s: %s",
+ VLOG_ERR_RL(&error_rl, "flow_flush: failed to get ifindex for %s: %s",
netdev_get_name(netdev), ovs_strerror(-ifindex));
return -ifindex;
}
netdev_tc_flow_dump_create(struct netdev *netdev,
struct netdev_flow_dump **dump_out)
{
- struct netdev_flow_dump *dump = xzalloc(sizeof *dump);
+ struct netdev_flow_dump *dump;
+ int ifindex;
+ ifindex = netdev_get_ifindex(netdev);
+ if (ifindex < 0) {
+ VLOG_ERR_RL(&error_rl, "dump_create: failed to get ifindex for %s: %s",
+ netdev_get_name(netdev), ovs_strerror(-ifindex));
+ return -ifindex;
+ }
+
+ dump = xzalloc(sizeof *dump);
+ dump->nl_dump = xzalloc(sizeof *dump->nl_dump);
dump->netdev = netdev_ref(netdev);
+ tc_dump_flower_start(ifindex, dump->nl_dump);
*dump_out = dump;
int
netdev_tc_flow_dump_destroy(struct netdev_flow_dump *dump)
{
+ nl_dump_done(dump->nl_dump);
netdev_close(dump->netdev);
+ free(dump->nl_dump);
free(dump);
+ return 0;
+}
+
+static void
+parse_flower_rewrite_to_netlink_action(struct ofpbuf *buf,
+ struct tc_flower *flower)
+{
+ char *mask = (char *) &flower->rewrite.mask;
+ char *data = (char *) &flower->rewrite.key;
+
+ for (int type = 0; type < ARRAY_SIZE(set_flower_map); type++) {
+ char *put = NULL;
+ size_t nested = 0;
+ int len = ovs_flow_key_attr_lens[type].len;
+
+ if (len <= 0) {
+ continue;
+ }
+
+ for (int j = 0; j < ARRAY_SIZE(set_flower_map[type]); j++) {
+ struct netlink_field *f = &set_flower_map[type][j];
+
+ if (!f->size) {
+ break;
+ }
+
+ if (!is_all_zeros(mask + f->flower_offset, f->size)) {
+ if (!put) {
+ nested = nl_msg_start_nested(buf,
+ OVS_ACTION_ATTR_SET_MASKED);
+ put = nl_msg_put_unspec_zero(buf, type, len * 2);
+ }
+
+ memcpy(put + f->offset, data + f->flower_offset, f->size);
+ memcpy(put + len + f->offset,
+ mask + f->flower_offset, f->size);
+ }
+ }
+
+ if (put) {
+ nl_msg_end_nested(buf, nested);
+ }
+ }
+}
+
+static int
+parse_tc_flower_to_match(struct tc_flower *flower,
+ struct match *match,
+ struct nlattr **actions,
+ struct dpif_flow_stats *stats,
+ struct ofpbuf *buf)
+{
+ size_t act_off;
+ struct tc_flower_key *key = &flower->key;
+ struct tc_flower_key *mask = &flower->mask;
+ odp_port_t outport = 0;
+ struct tc_action *action;
+ int i;
+
+ ofpbuf_clear(buf);
+
+ match_init_catchall(match);
+ match_set_dl_src_masked(match, key->src_mac, mask->src_mac);
+ match_set_dl_dst_masked(match, key->dst_mac, mask->dst_mac);
+
+ if (key->eth_type == htons(ETH_TYPE_VLAN)) {
+ match_set_dl_vlan(match, htons(key->vlan_id));
+ match_set_dl_vlan_pcp(match, key->vlan_prio);
+ match_set_dl_type(match, key->encap_eth_type);
+ flow_fix_vlan_tpid(&match->flow);
+ } else {
+ match_set_dl_type(match, key->eth_type);
+ }
+
+ if (is_ip_any(&match->flow)) {
+ if (key->ip_proto) {
+ match_set_nw_proto(match, key->ip_proto);
+ }
+
+ match_set_nw_ttl_masked(match, key->ip_ttl, mask->ip_ttl);
+
+ if (mask->flags) {
+ uint8_t flags = 0;
+ uint8_t flags_mask = 0;
+
+ if (mask->flags & TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT) {
+ if (key->flags & TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT) {
+ flags |= FLOW_NW_FRAG_ANY;
+ }
+ flags_mask |= FLOW_NW_FRAG_ANY;
+ }
+
+ if (mask->flags & TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST) {
+ if (!(key->flags & TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST)) {
+ flags |= FLOW_NW_FRAG_LATER;
+ }
+ flags_mask |= FLOW_NW_FRAG_LATER;
+ }
+
+ match_set_nw_frag_masked(match, flags, flags_mask);
+ }
+
+ match_set_nw_src_masked(match, key->ipv4.ipv4_src, mask->ipv4.ipv4_src);
+ match_set_nw_dst_masked(match, key->ipv4.ipv4_dst, mask->ipv4.ipv4_dst);
+
+ match_set_ipv6_src_masked(match,
+ &key->ipv6.ipv6_src, &mask->ipv6.ipv6_src);
+ match_set_ipv6_dst_masked(match,
+ &key->ipv6.ipv6_dst, &mask->ipv6.ipv6_dst);
+
+ if (key->ip_proto == IPPROTO_TCP) {
+ match_set_tp_dst_masked(match, key->tcp_dst, mask->tcp_dst);
+ match_set_tp_src_masked(match, key->tcp_src, mask->tcp_src);
+ match_set_tcp_flags_masked(match, key->tcp_flags, mask->tcp_flags);
+ } else if (key->ip_proto == IPPROTO_UDP) {
+ match_set_tp_dst_masked(match, key->udp_dst, mask->udp_dst);
+ match_set_tp_src_masked(match, key->udp_src, mask->udp_src);
+ } else if (key->ip_proto == IPPROTO_SCTP) {
+ match_set_tp_dst_masked(match, key->sctp_dst, mask->sctp_dst);
+ match_set_tp_src_masked(match, key->sctp_src, mask->sctp_src);
+ }
+ }
+
+ if (flower->tunnel.tunnel) {
+ match_set_tun_id(match, flower->tunnel.id);
+ if (flower->tunnel.ipv4.ipv4_dst) {
+ match_set_tun_src(match, flower->tunnel.ipv4.ipv4_src);
+ match_set_tun_dst(match, flower->tunnel.ipv4.ipv4_dst);
+ } else if (!is_all_zeros(&flower->tunnel.ipv6.ipv6_dst,
+ sizeof flower->tunnel.ipv6.ipv6_dst)) {
+ match_set_tun_ipv6_src(match, &flower->tunnel.ipv6.ipv6_src);
+ match_set_tun_ipv6_dst(match, &flower->tunnel.ipv6.ipv6_dst);
+ }
+ if (flower->tunnel.tp_dst) {
+ match_set_tun_tp_dst(match, flower->tunnel.tp_dst);
+ }
+ }
+
+ act_off = nl_msg_start_nested(buf, OVS_FLOW_ATTR_ACTIONS);
+ {
+ action = flower->actions;
+ for (i = 0; i < flower->action_count; i++, action++) {
+ switch (action->type) {
+ case TC_ACT_VLAN_POP: {
+ nl_msg_put_flag(buf, OVS_ACTION_ATTR_POP_VLAN);
+ }
+ break;
+ case TC_ACT_VLAN_PUSH: {
+ struct ovs_action_push_vlan *push;
+
+ push = nl_msg_put_unspec_zero(buf, OVS_ACTION_ATTR_PUSH_VLAN,
+ sizeof *push);
+ push->vlan_tpid = htons(ETH_TYPE_VLAN);
+ push->vlan_tci = htons(action->vlan.vlan_push_id
+ | (action->vlan.vlan_push_prio << 13)
+ | VLAN_CFI);
+ }
+ break;
+ case TC_ACT_PEDIT: {
+ parse_flower_rewrite_to_netlink_action(buf, flower);
+ }
+ break;
+ case TC_ACT_ENCAP: {
+ size_t set_offset = nl_msg_start_nested(buf, OVS_ACTION_ATTR_SET);
+ size_t tunnel_offset =
+ nl_msg_start_nested(buf, OVS_KEY_ATTR_TUNNEL);
+
+ nl_msg_put_be64(buf, OVS_TUNNEL_KEY_ATTR_ID, action->encap.id);
+ if (action->encap.ipv4.ipv4_src) {
+ nl_msg_put_be32(buf, OVS_TUNNEL_KEY_ATTR_IPV4_SRC,
+ action->encap.ipv4.ipv4_src);
+ }
+ if (action->encap.ipv4.ipv4_dst) {
+ nl_msg_put_be32(buf, OVS_TUNNEL_KEY_ATTR_IPV4_DST,
+ action->encap.ipv4.ipv4_dst);
+ }
+ if (!is_all_zeros(&action->encap.ipv6.ipv6_src,
+ sizeof action->encap.ipv6.ipv6_src)) {
+ nl_msg_put_in6_addr(buf, OVS_TUNNEL_KEY_ATTR_IPV6_SRC,
+ &action->encap.ipv6.ipv6_src);
+ }
+ if (!is_all_zeros(&action->encap.ipv6.ipv6_dst,
+ sizeof action->encap.ipv6.ipv6_dst)) {
+ nl_msg_put_in6_addr(buf, OVS_TUNNEL_KEY_ATTR_IPV6_DST,
+ &action->encap.ipv6.ipv6_dst);
+ }
+ nl_msg_put_be16(buf, OVS_TUNNEL_KEY_ATTR_TP_DST,
+ action->encap.tp_dst);
+
+ nl_msg_end_nested(buf, tunnel_offset);
+ nl_msg_end_nested(buf, set_offset);
+ }
+ break;
+ case TC_ACT_OUTPUT: {
+ if (action->ifindex_out) {
+ outport = netdev_ifindex_to_odp_port(action->ifindex_out);
+ if (!outport) {
+ return ENOENT;
+ }
+ }
+ nl_msg_put_u32(buf, OVS_ACTION_ATTR_OUTPUT, odp_to_u32(outport));
+ }
+ break;
+ }
+ }
+ }
+ nl_msg_end_nested(buf, act_off);
+
+ *actions = ofpbuf_at_assert(buf, act_off, sizeof(struct nlattr));
+
+ if (stats) {
+ memset(stats, 0, sizeof *stats);
+ stats->n_packets = get_32aligned_u64(&flower->stats.n_packets);
+ stats->n_bytes = get_32aligned_u64(&flower->stats.n_bytes);
+ stats->used = flower->lastused;
+ }
return 0;
}
bool
-netdev_tc_flow_dump_next(struct netdev_flow_dump *dump OVS_UNUSED,
- struct match *match OVS_UNUSED,
- struct nlattr **actions OVS_UNUSED,
- struct dpif_flow_stats *stats OVS_UNUSED,
- ovs_u128 *ufid OVS_UNUSED,
- struct ofpbuf *rbuffer OVS_UNUSED,
- struct ofpbuf *wbuffer OVS_UNUSED)
+netdev_tc_flow_dump_next(struct netdev_flow_dump *dump,
+ struct match *match,
+ struct nlattr **actions,
+ struct dpif_flow_stats *stats,
+ ovs_u128 *ufid,
+ struct ofpbuf *rbuffer,
+ struct ofpbuf *wbuffer)
{
+ struct ofpbuf nl_flow;
+
+ while (nl_dump_next(dump->nl_dump, &nl_flow, rbuffer)) {
+ struct tc_flower flower;
+ struct netdev *netdev = dump->netdev;
+
+ if (parse_netlink_to_tc_flower(&nl_flow, &flower)) {
+ continue;
+ }
+
+ if (parse_tc_flower_to_match(&flower, match, actions, stats,
+ wbuffer)) {
+ continue;
+ }
+
+ if (flower.act_cookie.len) {
+ *ufid = *((ovs_u128 *) flower.act_cookie.data);
+ } else if (!find_ufid(flower.prio, flower.handle, netdev, ufid)) {
+ continue;
+ }
+
+ match->wc.masks.in_port.odp_port = u32_to_odp(UINT32_MAX);
+ match->flow.in_port.odp_port = dump->port;
+
+ return true;
+ }
+
return false;
}
+static int
+parse_put_flow_set_masked_action(struct tc_flower *flower,
+ struct tc_action *action,
+ const struct nlattr *set,
+ size_t set_len,
+ bool hasmask)
+{
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
+ uint64_t set_stub[1024 / 8];
+ struct ofpbuf set_buf = OFPBUF_STUB_INITIALIZER(set_stub);
+ char *set_data, *set_mask;
+ char *key = (char *) &flower->rewrite.key;
+ char *mask = (char *) &flower->rewrite.mask;
+ const struct nlattr *attr;
+ int i, j, type;
+ size_t size;
+
+ /* copy so we can set attr mask to 0 for used ovs key struct members */
+ attr = ofpbuf_put(&set_buf, set, set_len);
+
+ type = nl_attr_type(attr);
+ size = nl_attr_get_size(attr) / 2;
+ set_data = CONST_CAST(char *, nl_attr_get(attr));
+ set_mask = set_data + size;
+
+ if (type >= ARRAY_SIZE(set_flower_map)
+ || !set_flower_map[type][0].size) {
+ VLOG_DBG_RL(&rl, "unsupported set action type: %d", type);
+ ofpbuf_uninit(&set_buf);
+ return EOPNOTSUPP;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(set_flower_map[type]); i++) {
+ struct netlink_field *f = &set_flower_map[type][i];
+
+ if (!f->size) {
+ break;
+ }
+
+ /* copy masked value */
+ for (j = 0; j < f->size; j++) {
+ char maskval = hasmask ? set_mask[f->offset + j] : 0xFF;
+
+ key[f->flower_offset + j] = maskval & set_data[f->offset + j];
+ mask[f->flower_offset + j] = maskval;
+
+ }
+
+ /* set its mask to 0 to show it's been used. */
+ if (hasmask) {
+ memset(set_mask + f->offset, 0, f->size);
+ }
+ }
+
+ if (!is_all_zeros(&flower->rewrite, sizeof flower->rewrite)) {
+ if (flower->rewrite.rewrite == false) {
+ flower->rewrite.rewrite = true;
+ action->type = TC_ACT_PEDIT;
+ flower->action_count++;
+ }
+ }
+
+ if (hasmask && !is_all_zeros(set_mask, size)) {
+ VLOG_DBG_RL(&rl, "unsupported sub attribute of set action type %d",
+ type);
+ ofpbuf_uninit(&set_buf);
+ return EOPNOTSUPP;
+ }
+
+ ofpbuf_uninit(&set_buf);
+ return 0;
+}
+
+static int
+parse_put_flow_set_action(struct tc_flower *flower, struct tc_action *action,
+ const struct nlattr *set, size_t set_len)
+{
+ const struct nlattr *tunnel;
+ const struct nlattr *tun_attr;
+ size_t tun_left, tunnel_len;
+
+ if (nl_attr_type(set) != OVS_KEY_ATTR_TUNNEL) {
+ return parse_put_flow_set_masked_action(flower, action, set,
+ set_len, false);
+ }
+
+ tunnel = nl_attr_get(set);
+ tunnel_len = nl_attr_get_size(set);
+
+ action->type = TC_ACT_ENCAP;
+ flower->action_count++;
+ NL_ATTR_FOR_EACH_UNSAFE(tun_attr, tun_left, tunnel, tunnel_len) {
+ switch (nl_attr_type(tun_attr)) {
+ case OVS_TUNNEL_KEY_ATTR_ID: {
+ action->encap.id = nl_attr_get_be64(tun_attr);
+ }
+ break;
+ case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: {
+ action->encap.ipv4.ipv4_src = nl_attr_get_be32(tun_attr);
+ }
+ break;
+ case OVS_TUNNEL_KEY_ATTR_IPV4_DST: {
+ action->encap.ipv4.ipv4_dst = nl_attr_get_be32(tun_attr);
+ }
+ break;
+ case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: {
+ action->encap.ipv6.ipv6_src =
+ nl_attr_get_in6_addr(tun_attr);
+ }
+ break;
+ case OVS_TUNNEL_KEY_ATTR_IPV6_DST: {
+ action->encap.ipv6.ipv6_dst =
+ nl_attr_get_in6_addr(tun_attr);
+ }
+ break;
+ case OVS_TUNNEL_KEY_ATTR_TP_SRC: {
+ action->encap.tp_src = nl_attr_get_be16(tun_attr);
+ }
+ break;
+ case OVS_TUNNEL_KEY_ATTR_TP_DST: {
+ action->encap.tp_dst = nl_attr_get_be16(tun_attr);
+ }
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int
+test_key_and_mask(struct match *match)
+{
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
+ const struct flow *key = &match->flow;
+ struct flow *mask = &match->wc.masks;
+
+ if (mask->pkt_mark) {
+ VLOG_DBG_RL(&rl, "offloading attribute pkt_mark isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ if (mask->recirc_id && key->recirc_id) {
+ VLOG_DBG_RL(&rl, "offloading attribute recirc_id isn't supported");
+ return EOPNOTSUPP;
+ }
+ mask->recirc_id = 0;
+
+ if (mask->dp_hash) {
+ VLOG_DBG_RL(&rl, "offloading attribute dp_hash isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ if (mask->conj_id) {
+ VLOG_DBG_RL(&rl, "offloading attribute conj_id isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ if (mask->skb_priority) {
+ VLOG_DBG_RL(&rl, "offloading attribute skb_priority isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ if (mask->actset_output) {
+ VLOG_DBG_RL(&rl,
+ "offloading attribute actset_output isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ if (mask->ct_state) {
+ VLOG_DBG_RL(&rl, "offloading attribute ct_state isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ if (mask->ct_zone) {
+ VLOG_DBG_RL(&rl, "offloading attribute ct_zone isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ if (mask->ct_mark) {
+ VLOG_DBG_RL(&rl, "offloading attribute ct_mark isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ if (mask->packet_type && key->packet_type) {
+ VLOG_DBG_RL(&rl, "offloading attribute packet_type isn't supported");
+ return EOPNOTSUPP;
+ }
+ mask->packet_type = 0;
+
+ if (!ovs_u128_is_zero(mask->ct_label)) {
+ VLOG_DBG_RL(&rl, "offloading attribute ct_label isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ for (int i = 0; i < FLOW_N_REGS; i++) {
+ if (mask->regs[i]) {
+ VLOG_DBG_RL(&rl,
+ "offloading attribute regs[%d] isn't supported", i);
+ return EOPNOTSUPP;
+ }
+ }
+
+ if (mask->metadata) {
+ VLOG_DBG_RL(&rl, "offloading attribute metadata isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ if (mask->nw_tos) {
+ VLOG_DBG_RL(&rl, "offloading attribute nw_tos isn't supported");
+ return EOPNOTSUPP;
+ }
+
+ for (int i = 0; i < FLOW_MAX_MPLS_LABELS; i++) {
+ if (mask->mpls_lse[i]) {
+ VLOG_DBG_RL(&rl, "offloading attribute mpls_lse isn't supported");
+ return EOPNOTSUPP;
+ }
+ }
+
+ if (key->dl_type == htons(ETH_TYPE_IP) &&
+ key->nw_proto == IPPROTO_ICMP) {
+ if (mask->tp_src) {
+ VLOG_DBG_RL(&rl,
+ "offloading attribute icmp_type isn't supported");
+ return EOPNOTSUPP;
+ }
+ if (mask->tp_dst) {
+ VLOG_DBG_RL(&rl,
+ "offloading attribute icmp_code isn't supported");
+ return EOPNOTSUPP;
+ }
+ } else if (key->dl_type == htons(ETH_TYPE_IP) &&
+ key->nw_proto == IPPROTO_IGMP) {
+ if (mask->tp_src) {
+ VLOG_DBG_RL(&rl,
+ "offloading attribute igmp_type isn't supported");
+ return EOPNOTSUPP;
+ }
+ if (mask->tp_dst) {
+ VLOG_DBG_RL(&rl,
+ "offloading attribute igmp_code isn't supported");
+ return EOPNOTSUPP;
+ }
+ } else if (key->dl_type == htons(ETH_TYPE_IPV6) &&
+ key->nw_proto == IPPROTO_ICMPV6) {
+ if (mask->tp_src) {
+ VLOG_DBG_RL(&rl,
+ "offloading attribute icmp_type isn't supported");
+ return EOPNOTSUPP;
+ }
+ if (mask->tp_dst) {
+ VLOG_DBG_RL(&rl,
+ "offloading attribute icmp_code isn't supported");
+ return EOPNOTSUPP;
+ }
+ }
+
+ if (!is_all_zeros(mask, sizeof *mask)) {
+ VLOG_DBG_RL(&rl, "offloading isn't supported, unknown attribute");
+ return EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
int
-netdev_tc_flow_put(struct netdev *netdev OVS_UNUSED,
- struct match *match OVS_UNUSED,
- struct nlattr *actions OVS_UNUSED,
- size_t actions_len OVS_UNUSED,
- const ovs_u128 *ufid OVS_UNUSED,
- struct offload_info *info OVS_UNUSED,
+netdev_tc_flow_put(struct netdev *netdev, struct match *match,
+ struct nlattr *actions, size_t actions_len,
+ const ovs_u128 *ufid, struct offload_info *info,
struct dpif_flow_stats *stats OVS_UNUSED)
{
- return EOPNOTSUPP;
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
+ struct tc_flower flower;
+ const struct flow *key = &match->flow;
+ struct flow *mask = &match->wc.masks;
+ const struct flow_tnl *tnl = &match->flow.tunnel;
+ struct tc_action *action;
+ struct nlattr *nla;
+ size_t left;
+ int prio = 0;
+ int handle;
+ int ifindex;
+ int err;
+
+ ifindex = netdev_get_ifindex(netdev);
+ if (ifindex < 0) {
+ VLOG_ERR_RL(&error_rl, "flow_put: failed to get ifindex for %s: %s",
+ netdev_get_name(netdev), ovs_strerror(-ifindex));
+ return -ifindex;
+ }
+
+ memset(&flower, 0, sizeof flower);
+
+ if (flow_tnl_dst_is_set(&key->tunnel)) {
+ VLOG_DBG_RL(&rl,
+ "tunnel: id %#" PRIx64 " src " IP_FMT
+ " dst " IP_FMT " tp_src %d tp_dst %d",
+ ntohll(tnl->tun_id),
+ IP_ARGS(tnl->ip_src), IP_ARGS(tnl->ip_dst),
+ ntohs(tnl->tp_src), ntohs(tnl->tp_dst));
+ flower.tunnel.id = tnl->tun_id;
+ flower.tunnel.ipv4.ipv4_src = tnl->ip_src;
+ flower.tunnel.ipv4.ipv4_dst = tnl->ip_dst;
+ flower.tunnel.ipv6.ipv6_src = tnl->ipv6_src;
+ flower.tunnel.ipv6.ipv6_dst = tnl->ipv6_dst;
+ flower.tunnel.tp_src = tnl->tp_src;
+ flower.tunnel.tp_dst = tnl->tp_dst;
+ flower.tunnel.tunnel = true;
+ }
+ memset(&mask->tunnel, 0, sizeof mask->tunnel);
+
+ flower.key.eth_type = key->dl_type;
+ flower.mask.eth_type = mask->dl_type;
+
+ if (mask->vlans[0].tci) {
+ ovs_be16 vid_mask = mask->vlans[0].tci & htons(VLAN_VID_MASK);
+ ovs_be16 pcp_mask = mask->vlans[0].tci & htons(VLAN_PCP_MASK);
+ ovs_be16 cfi = mask->vlans[0].tci & htons(VLAN_CFI);
+
+ if (cfi && key->vlans[0].tci & htons(VLAN_CFI)
+ && (!vid_mask || vid_mask == htons(VLAN_VID_MASK))
+ && (!pcp_mask || pcp_mask == htons(VLAN_PCP_MASK))
+ && (vid_mask || pcp_mask)) {
+ if (vid_mask) {
+ flower.key.vlan_id = vlan_tci_to_vid(key->vlans[0].tci);
+ VLOG_DBG_RL(&rl, "vlan_id: %d\n", flower.key.vlan_id);
+ }
+ if (pcp_mask) {
+ flower.key.vlan_prio = vlan_tci_to_pcp(key->vlans[0].tci);
+ VLOG_DBG_RL(&rl, "vlan_prio: %d\n", flower.key.vlan_prio);
+ }
+ flower.key.encap_eth_type = flower.key.eth_type;
+ flower.key.eth_type = htons(ETH_TYPE_VLAN);
+ } else if (mask->vlans[0].tci == htons(0xffff) &&
+ ntohs(key->vlans[0].tci) == 0) {
+ /* exact && no vlan */
+ } else {
+ /* partial mask */
+ return EOPNOTSUPP;
+ }
+ } else if (mask->vlans[1].tci) {
+ return EOPNOTSUPP;
+ }
+ memset(mask->vlans, 0, sizeof mask->vlans);
+
+ flower.key.dst_mac = key->dl_dst;
+ flower.mask.dst_mac = mask->dl_dst;
+ flower.key.src_mac = key->dl_src;
+ flower.mask.src_mac = mask->dl_src;
+ memset(&mask->dl_dst, 0, sizeof mask->dl_dst);
+ memset(&mask->dl_src, 0, sizeof mask->dl_src);
+ mask->dl_type = 0;
+ mask->in_port.odp_port = 0;
+
+ if (is_ip_any(key)) {
+ flower.key.ip_proto = key->nw_proto;
+ flower.mask.ip_proto = mask->nw_proto;
+ flower.key.ip_ttl = key->nw_ttl;
+ flower.mask.ip_ttl = mask->nw_ttl;
+
+ if (mask->nw_frag & FLOW_NW_FRAG_ANY) {
+ flower.mask.flags |= TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT;
+
+ if (key->nw_frag & FLOW_NW_FRAG_ANY) {
+ flower.key.flags |= TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT;
+
+ if (mask->nw_frag & FLOW_NW_FRAG_LATER) {
+ flower.mask.flags |= TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST;
+
+ if (!(key->nw_frag & FLOW_NW_FRAG_LATER)) {
+ flower.key.flags |= TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST;
+ }
+ }
+ }
+
+ mask->nw_frag = 0;
+ }
+
+ if (key->nw_proto == IPPROTO_TCP) {
+ flower.key.tcp_dst = key->tp_dst;
+ flower.mask.tcp_dst = mask->tp_dst;
+ flower.key.tcp_src = key->tp_src;
+ flower.mask.tcp_src = mask->tp_src;
+ flower.key.tcp_flags = key->tcp_flags;
+ flower.mask.tcp_flags = mask->tcp_flags;
+ mask->tp_src = 0;
+ mask->tp_dst = 0;
+ mask->tcp_flags = 0;
+ } else if (key->nw_proto == IPPROTO_UDP) {
+ flower.key.udp_dst = key->tp_dst;
+ flower.mask.udp_dst = mask->tp_dst;
+ flower.key.udp_src = key->tp_src;
+ flower.mask.udp_src = mask->tp_src;
+ mask->tp_src = 0;
+ mask->tp_dst = 0;
+ } else if (key->nw_proto == IPPROTO_SCTP) {
+ flower.key.sctp_dst = key->tp_dst;
+ flower.mask.sctp_dst = mask->tp_dst;
+ flower.key.sctp_src = key->tp_src;
+ flower.mask.sctp_src = mask->tp_src;
+ mask->tp_src = 0;
+ mask->tp_dst = 0;
+ }
+
+ mask->nw_tos = 0;
+ mask->nw_proto = 0;
+ mask->nw_ttl = 0;
+
+ if (key->dl_type == htons(ETH_P_IP)) {
+ flower.key.ipv4.ipv4_src = key->nw_src;
+ flower.mask.ipv4.ipv4_src = mask->nw_src;
+ flower.key.ipv4.ipv4_dst = key->nw_dst;
+ flower.mask.ipv4.ipv4_dst = mask->nw_dst;
+ mask->nw_src = 0;
+ mask->nw_dst = 0;
+ } else if (key->dl_type == htons(ETH_P_IPV6)) {
+ flower.key.ipv6.ipv6_src = key->ipv6_src;
+ flower.mask.ipv6.ipv6_src = mask->ipv6_src;
+ flower.key.ipv6.ipv6_dst = key->ipv6_dst;
+ flower.mask.ipv6.ipv6_dst = mask->ipv6_dst;
+ memset(&mask->ipv6_src, 0, sizeof mask->ipv6_src);
+ memset(&mask->ipv6_dst, 0, sizeof mask->ipv6_dst);
+ }
+ }
+
+ err = test_key_and_mask(match);
+ if (err) {
+ return err;
+ }
+
+ NL_ATTR_FOR_EACH(nla, left, actions, actions_len) {
+ if (flower.action_count >= TCA_ACT_MAX_PRIO) {
+ VLOG_DBG_RL(&rl, "Can only support %d actions", flower.action_count);
+ return EOPNOTSUPP;
+ }
+ action = &flower.actions[flower.action_count];
+ if (nl_attr_type(nla) == OVS_ACTION_ATTR_OUTPUT) {
+ odp_port_t port = nl_attr_get_odp_port(nla);
+ struct netdev *outdev = netdev_ports_get(port, info->dpif_class);
+
+ action->ifindex_out = netdev_get_ifindex(outdev);
+ action->type = TC_ACT_OUTPUT;
+ flower.action_count++;
+ netdev_close(outdev);
+ } else if (nl_attr_type(nla) == OVS_ACTION_ATTR_PUSH_VLAN) {
+ const struct ovs_action_push_vlan *vlan_push = nl_attr_get(nla);
+
+ action->vlan.vlan_push_id = vlan_tci_to_vid(vlan_push->vlan_tci);
+ action->vlan.vlan_push_prio = vlan_tci_to_pcp(vlan_push->vlan_tci);
+ action->type = TC_ACT_VLAN_PUSH;
+ flower.action_count++;
+ } else if (nl_attr_type(nla) == OVS_ACTION_ATTR_POP_VLAN) {
+ action->type = TC_ACT_VLAN_POP;
+ flower.action_count++;
+ } else if (nl_attr_type(nla) == OVS_ACTION_ATTR_SET) {
+ const struct nlattr *set = nl_attr_get(nla);
+ const size_t set_len = nl_attr_get_size(nla);
+
+ err = parse_put_flow_set_action(&flower, action, set, set_len);
+ if (err) {
+ return err;
+ }
+ if (action->type == TC_ACT_ENCAP) {
+ action->encap.tp_dst = info->tp_dst_port;
+ }
+ } else if (nl_attr_type(nla) == OVS_ACTION_ATTR_SET_MASKED) {
+ const struct nlattr *set = nl_attr_get(nla);
+ const size_t set_len = nl_attr_get_size(nla);
+
+ err = parse_put_flow_set_masked_action(&flower, action, set,
+ set_len, true);
+ if (err) {
+ return err;
+ }
+ } else {
+ VLOG_DBG_RL(&rl, "unsupported put action type: %d",
+ nl_attr_type(nla));
+ return EOPNOTSUPP;
+ }
+ }
+
+ handle = get_ufid_tc_mapping(ufid, &prio, NULL);
+ if (handle && prio) {
+ VLOG_DBG_RL(&rl, "updating old handle: %d prio: %d", handle, prio);
+ tc_del_filter(ifindex, prio, handle);
+ }
+
+ if (!prio) {
+ prio = get_prio_for_tc_flower(&flower);
+ if (prio == 0) {
+ VLOG_ERR_RL(&rl, "couldn't get tc prio: %s", ovs_strerror(ENOSPC));
+ return ENOSPC;
+ }
+ }
+
+ flower.act_cookie.data = ufid;
+ flower.act_cookie.len = sizeof *ufid;
+
+ err = tc_replace_flower(ifindex, prio, handle, &flower);
+ if (!err) {
+ add_ufid_tc_mapping(ufid, flower.prio, flower.handle, netdev, ifindex);
+ }
+
+ return err;
}
int
netdev_tc_flow_get(struct netdev *netdev OVS_UNUSED,
- struct match *match OVS_UNUSED,
- struct nlattr **actions OVS_UNUSED,
- const ovs_u128 *ufid OVS_UNUSED,
- struct dpif_flow_stats *stats OVS_UNUSED,
- struct ofpbuf *buf OVS_UNUSED)
+ struct match *match,
+ struct nlattr **actions,
+ const ovs_u128 *ufid,
+ struct dpif_flow_stats *stats,
+ struct ofpbuf *buf)
{
- return EOPNOTSUPP;
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
+ struct netdev *dev;
+ struct tc_flower flower;
+ odp_port_t in_port;
+ int prio = 0;
+ int ifindex;
+ int handle;
+ int err;
+
+ handle = get_ufid_tc_mapping(ufid, &prio, &dev);
+ if (!handle) {
+ return ENOENT;
+ }
+
+ ifindex = netdev_get_ifindex(dev);
+ if (ifindex < 0) {
+ VLOG_ERR_RL(&error_rl, "flow_get: failed to get ifindex for %s: %s",
+ netdev_get_name(dev), ovs_strerror(-ifindex));
+ netdev_close(dev);
+ return -ifindex;
+ }
+
+ VLOG_DBG_RL(&rl, "flow get (dev %s prio %d handle %d)",
+ netdev_get_name(dev), prio, handle);
+ err = tc_get_flower(ifindex, prio, handle, &flower);
+ netdev_close(dev);
+ if (err) {
+ VLOG_ERR_RL(&error_rl, "flow get failed (dev %s prio %d handle %d): %s",
+ netdev_get_name(dev), prio, handle, ovs_strerror(err));
+ return err;
+ }
+
+ in_port = netdev_ifindex_to_odp_port(ifindex);
+ parse_tc_flower_to_match(&flower, match, actions, stats, buf);
+
+ match->wc.masks.in_port.odp_port = u32_to_odp(UINT32_MAX);
+ match->flow.in_port.odp_port = in_port;
+
+ return 0;
}
int
netdev_tc_flow_del(struct netdev *netdev OVS_UNUSED,
- const ovs_u128 *ufid OVS_UNUSED,
- struct dpif_flow_stats *stats OVS_UNUSED)
+ const ovs_u128 *ufid,
+ struct dpif_flow_stats *stats)
{
- return EOPNOTSUPP;
+ struct tc_flower flower;
+ struct netdev *dev;
+ int prio = 0;
+ int ifindex;
+ int handle;
+ int error;
+
+ handle = get_ufid_tc_mapping(ufid, &prio, &dev);
+ if (!handle) {
+ return ENOENT;
+ }
+
+ ifindex = netdev_get_ifindex(dev);
+ if (ifindex < 0) {
+ VLOG_ERR_RL(&error_rl, "flow_del: failed to get ifindex for %s: %s",
+ netdev_get_name(dev), ovs_strerror(-ifindex));
+ netdev_close(dev);
+ return -ifindex;
+ }
+
+ if (stats) {
+ memset(stats, 0, sizeof *stats);
+ if (!tc_get_flower(ifindex, prio, handle, &flower)) {
+ stats->n_packets = get_32aligned_u64(&flower.stats.n_packets);
+ stats->n_bytes = get_32aligned_u64(&flower.stats.n_bytes);
+ stats->used = flower.lastused;
+ }
+ }
+
+ error = tc_del_filter(ifindex, prio, handle);
+ del_ufid_tc_mapping(ufid);
+
+ netdev_close(dev);
+
+ return error;
+}
+
+static void
+probe_multi_mask_per_prio(int ifindex)
+{
+ struct tc_flower flower;
+ int error;
+
+ memset(&flower, 0, sizeof flower);
+
+ flower.key.eth_type = htons(ETH_P_IP);
+ flower.mask.eth_type = OVS_BE16_MAX;
+ memset(&flower.key.dst_mac, 0x11, sizeof flower.key.dst_mac);
+ memset(&flower.mask.dst_mac, 0xff, sizeof flower.mask.dst_mac);
+
+ error = tc_replace_flower(ifindex, 1, 1, &flower);
+ if (error) {
+ return;
+ }
+
+ memset(&flower.key.src_mac, 0x11, sizeof flower.key.src_mac);
+ memset(&flower.mask.src_mac, 0xff, sizeof flower.mask.src_mac);
+
+ error = tc_replace_flower(ifindex, 1, 2, &flower);
+ tc_del_filter(ifindex, 1, 1);
+
+ if (error) {
+ return;
+ }
+
+ tc_del_filter(ifindex, 1, 2);
+
+ multi_mask_per_prio = true;
+ VLOG_INFO("probe tc: multiple masks on single tc prio is supported.");
}
int
-netdev_tc_init_flow_api(struct netdev *netdev OVS_UNUSED)
+netdev_tc_init_flow_api(struct netdev *netdev)
{
+ static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER;
+ int ifindex;
+ int error;
+
+ ifindex = netdev_get_ifindex(netdev);
+ if (ifindex < 0) {
+ VLOG_ERR_RL(&error_rl, "init: failed to get ifindex for %s: %s",
+ netdev_get_name(netdev), ovs_strerror(-ifindex));
+ return -ifindex;
+ }
+
+ error = tc_add_del_ingress_qdisc(ifindex, true);
+
+ if (error && error != EEXIST) {
+ VLOG_ERR("failed adding ingress qdisc required for offloading: %s",
+ ovs_strerror(error));
+ return error;
+ }
+
+ VLOG_INFO("added ingress qdisc to %s", netdev_get_name(netdev));
+
+ if (ovsthread_once_start(&once)) {
+ probe_multi_mask_per_prio(ifindex);
+ ovsthread_once_done(&once);
+ }
+
return 0;
}
projects / mirror_ovs.git / blobdiff