/* Generic flow management functions. */
+static struct port_flow_tunnel *
+port_flow_locate_tunnel_id(struct rte_port *port, uint32_t port_tunnel_id)
+{
+ struct port_flow_tunnel *flow_tunnel;
+
+ LIST_FOREACH(flow_tunnel, &port->flow_tunnel_list, chain) {
+ if (flow_tunnel->id == port_tunnel_id)
+ goto out;
+ }
+ flow_tunnel = NULL;
+
+out:
+ return flow_tunnel;
+}
+
+const char *
+port_flow_tunnel_type(struct rte_flow_tunnel *tunnel)
+{
+ const char *type;
+ switch (tunnel->type) {
+ default:
+ type = "unknown";
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ type = "vxlan";
+ break;
+ }
+
+ return type;
+}
+
+struct port_flow_tunnel *
+port_flow_locate_tunnel(uint16_t port_id, struct rte_flow_tunnel *tun)
+{
+ struct rte_port *port = &ports[port_id];
+ struct port_flow_tunnel *flow_tunnel;
+
+ LIST_FOREACH(flow_tunnel, &port->flow_tunnel_list, chain) {
+ if (!memcmp(&flow_tunnel->tunnel, tun, sizeof(*tun)))
+ goto out;
+ }
+ flow_tunnel = NULL;
+
+out:
+ return flow_tunnel;
+}
+
+void port_flow_tunnel_list(portid_t port_id)
+{
+ struct rte_port *port = &ports[port_id];
+ struct port_flow_tunnel *flt;
+
+ LIST_FOREACH(flt, &port->flow_tunnel_list, chain) {
+ printf("port %u tunnel #%u type=%s",
+ port_id, flt->id, port_flow_tunnel_type(&flt->tunnel));
+ if (flt->tunnel.tun_id)
+ printf(" id=%" PRIu64, flt->tunnel.tun_id);
+ printf("\n");
+ }
+}
+
+void port_flow_tunnel_destroy(portid_t port_id, uint32_t tunnel_id)
+{
+ struct rte_port *port = &ports[port_id];
+ struct port_flow_tunnel *flt;
+
+ LIST_FOREACH(flt, &port->flow_tunnel_list, chain) {
+ if (flt->id == tunnel_id)
+ break;
+ }
+ if (flt) {
+ LIST_REMOVE(flt, chain);
+ free(flt);
+ printf("port %u: flow tunnel #%u destroyed\n",
+ port_id, tunnel_id);
+ }
+}
+
+void port_flow_tunnel_create(portid_t port_id, const struct tunnel_ops *ops)
+{
+ struct rte_port *port = &ports[port_id];
+ enum rte_flow_item_type type;
+ struct port_flow_tunnel *flt;
+
+ if (!strcmp(ops->type, "vxlan"))
+ type = RTE_FLOW_ITEM_TYPE_VXLAN;
+ else {
+ printf("cannot offload \"%s\" tunnel type\n", ops->type);
+ return;
+ }
+ LIST_FOREACH(flt, &port->flow_tunnel_list, chain) {
+ if (flt->tunnel.type == type)
+ break;
+ }
+ if (!flt) {
+ flt = calloc(1, sizeof(*flt));
+ if (!flt) {
+ printf("failed to allocate port flt object\n");
+ return;
+ }
+ flt->tunnel.type = type;
+ flt->id = LIST_EMPTY(&port->flow_tunnel_list) ? 1 :
+ LIST_FIRST(&port->flow_tunnel_list)->id + 1;
+ LIST_INSERT_HEAD(&port->flow_tunnel_list, flt, chain);
+ }
+ printf("port %d: flow tunnel #%u type %s\n",
+ port_id, flt->id, ops->type);
+}
+
/** Generate a port_flow entry from attributes/pattern/actions. */
static struct port_flow *
port_flow_new(const struct rte_flow_attr *attr,
}
return ret;
}
+static struct port_flow_tunnel *
+port_flow_tunnel_offload_cmd_prep(portid_t port_id,
+ const struct rte_flow_item *pattern,
+ const struct rte_flow_action *actions,
+ const struct tunnel_ops *tunnel_ops)
+{
+ int ret;
+ struct rte_port *port;
+ struct port_flow_tunnel *pft;
+ struct rte_flow_error error;
+
+ port = &ports[port_id];
+ pft = port_flow_locate_tunnel_id(port, tunnel_ops->id);
+ if (!pft) {
+ printf("failed to locate port flow tunnel #%u\n",
+ tunnel_ops->id);
+ return NULL;
+ }
+ if (tunnel_ops->actions) {
+ uint32_t num_actions;
+ const struct rte_flow_action *aptr;
+
+ ret = rte_flow_tunnel_decap_set(port_id, &pft->tunnel,
+ &pft->pmd_actions,
+ &pft->num_pmd_actions,
+ &error);
+ if (ret) {
+ port_flow_complain(&error);
+ return NULL;
+ }
+ for (aptr = actions, num_actions = 1;
+ aptr->type != RTE_FLOW_ACTION_TYPE_END;
+ aptr++, num_actions++);
+ pft->actions = malloc(
+ (num_actions + pft->num_pmd_actions) *
+ sizeof(actions[0]));
+ if (!pft->actions) {
+ rte_flow_tunnel_action_decap_release(
+ port_id, pft->actions,
+ pft->num_pmd_actions, &error);
+ return NULL;
+ }
+ rte_memcpy(pft->actions, pft->pmd_actions,
+ pft->num_pmd_actions * sizeof(actions[0]));
+ rte_memcpy(pft->actions + pft->num_pmd_actions, actions,
+ num_actions * sizeof(actions[0]));
+ }
+ if (tunnel_ops->items) {
+ uint32_t num_items;
+ const struct rte_flow_item *iptr;
+
+ ret = rte_flow_tunnel_match(port_id, &pft->tunnel,
+ &pft->pmd_items,
+ &pft->num_pmd_items,
+ &error);
+ if (ret) {
+ port_flow_complain(&error);
+ return NULL;
+ }
+ for (iptr = pattern, num_items = 1;
+ iptr->type != RTE_FLOW_ITEM_TYPE_END;
+ iptr++, num_items++);
+ pft->items = malloc((num_items + pft->num_pmd_items) *
+ sizeof(pattern[0]));
+ if (!pft->items) {
+ rte_flow_tunnel_item_release(
+ port_id, pft->pmd_items,
+ pft->num_pmd_items, &error);
+ return NULL;
+ }
+ rte_memcpy(pft->items, pft->pmd_items,
+ pft->num_pmd_items * sizeof(pattern[0]));
+ rte_memcpy(pft->items + pft->num_pmd_items, pattern,
+ num_items * sizeof(pattern[0]));
+ }
+
+ return pft;
+}
+
+static void
+port_flow_tunnel_offload_cmd_release(portid_t port_id,
+ const struct tunnel_ops *tunnel_ops,
+ struct port_flow_tunnel *pft)
+{
+ struct rte_flow_error error;
+
+ if (tunnel_ops->actions) {
+ free(pft->actions);
+ rte_flow_tunnel_action_decap_release(
+ port_id, pft->pmd_actions,
+ pft->num_pmd_actions, &error);
+ pft->actions = NULL;
+ pft->pmd_actions = NULL;
+ }
+ if (tunnel_ops->items) {
+ free(pft->items);
+ rte_flow_tunnel_item_release(port_id, pft->pmd_items,
+ pft->num_pmd_items,
+ &error);
+ pft->items = NULL;
+ pft->pmd_items = NULL;
+ }
+}
/** Validate flow rule. */
int
port_flow_validate(portid_t port_id,
const struct rte_flow_attr *attr,
const struct rte_flow_item *pattern,
- const struct rte_flow_action *actions)
+ const struct rte_flow_action *actions,
+ const struct tunnel_ops *tunnel_ops)
{
struct rte_flow_error error;
+ struct port_flow_tunnel *pft = NULL;
/* Poisoning to make sure PMDs update it in case of error. */
memset(&error, 0x11, sizeof(error));
+ if (tunnel_ops->enabled) {
+ pft = port_flow_tunnel_offload_cmd_prep(port_id, pattern,
+ actions, tunnel_ops);
+ if (!pft)
+ return -ENOENT;
+ if (pft->items)
+ pattern = pft->items;
+ if (pft->actions)
+ actions = pft->actions;
+ }
if (rte_flow_validate(port_id, attr, pattern, actions, &error))
return port_flow_complain(&error);
+ if (tunnel_ops->enabled)
+ port_flow_tunnel_offload_cmd_release(port_id, tunnel_ops, pft);
printf("Flow rule validated\n");
return 0;
}
port_flow_create(portid_t port_id,
const struct rte_flow_attr *attr,
const struct rte_flow_item *pattern,
- const struct rte_flow_action *actions)
+ const struct rte_flow_action *actions,
+ const struct tunnel_ops *tunnel_ops)
{
struct rte_flow *flow;
struct rte_port *port;
struct port_flow *pf;
uint32_t id = 0;
struct rte_flow_error error;
+ struct port_flow_tunnel *pft = NULL;
port = &ports[port_id];
if (port->flow_list) {
}
id = port->flow_list->id + 1;
}
+ if (tunnel_ops->enabled) {
+ pft = port_flow_tunnel_offload_cmd_prep(port_id, pattern,
+ actions, tunnel_ops);
+ if (!pft)
+ return -ENOENT;
+ if (pft->items)
+ pattern = pft->items;
+ if (pft->actions)
+ actions = pft->actions;
+ }
pf = port_flow_new(attr, pattern, actions, &error);
if (!pf)
return port_flow_complain(&error);
pf->id = id;
pf->flow = flow;
port->flow_list = pf;
+ if (tunnel_ops->enabled)
+ port_flow_tunnel_offload_cmd_release(port_id, tunnel_ops, pft);
printf("Flow rule #%u created\n", pf->id);
return 0;
}
pf->rule.attr->egress ? 'e' : '-',
pf->rule.attr->transfer ? 't' : '-');
while (item->type != RTE_FLOW_ITEM_TYPE_END) {
- if (rte_flow_conv(RTE_FLOW_CONV_OP_ITEM_NAME_PTR,
+ if ((uint32_t)item->type > INT_MAX)
+ name = "PMD_INTERNAL";
+ else if (rte_flow_conv(RTE_FLOW_CONV_OP_ITEM_NAME_PTR,
&name, sizeof(name),
(void *)(uintptr_t)item->type,
NULL) <= 0)
}
printf("=>");
while (action->type != RTE_FLOW_ACTION_TYPE_END) {
- if (rte_flow_conv(RTE_FLOW_CONV_OP_ACTION_NAME_PTR,
+ if ((uint32_t)action->type > INT_MAX)
+ name = "PMD_INTERNAL";
+ else if (rte_flow_conv(RTE_FLOW_CONV_OP_ACTION_NAME_PTR,
&name, sizeof(name),
(void *)(uintptr_t)action->type,
NULL) <= 0)