net/softnic: add command to create objects

[dpdk.git] / drivers / net / softnic / rte_eth_softnic_thread.c

diff --git a/drivers/net/softnic/rte_eth_softnic_thread.c b/drivers/net/softnic/rte_eth_softnic_thread.c
index 505d34e..2d23257 100644 (file)
--- a/drivers/net/softnic/rte_eth_softnic_thread.c
+++ b/drivers/net/softnic/rte_eth_softnic_thread.c
@@ -89,6 +89,29 @@ softnic_thread_init(struct pmd_internals *softnic)
        return 0;
 }
 
+static inline int
+thread_is_running(uint32_t thread_id)
+{
+       enum rte_lcore_state_t thread_state;
+
+       thread_state = rte_eal_get_lcore_state(thread_id);
+       return (thread_state == RUNNING)? 1 : 0;
+}
+
+/**
+ * Pipeline is running when:
+ *    (A) Pipeline is mapped to a data plane thread AND
+ *    (B) Its data plane thread is in RUNNING state.
+ */
+static inline int
+pipeline_is_running(struct pipeline *p)
+{
+       if (p->enabled == 0)
+               return 0;
+
+       return thread_is_running(p->thread_id);
+}
+
 /**
  * Master thread & data plane threads: message passing
  */
@@ -156,17 +179,156 @@ thread_msg_handle(struct softnic_thread_data *t)
  * Master thread & data plane threads: message passing
  */
 enum pipeline_req_type {
+       /* Port IN */
+       PIPELINE_REQ_PORT_IN_ENABLE,
+       PIPELINE_REQ_PORT_IN_DISABLE,
+
        PIPELINE_REQ_MAX
 };
 
 struct pipeline_msg_req {
        enum pipeline_req_type type;
+       uint32_t id; /* Port IN, port OUT or table ID */
 };
 
 struct pipeline_msg_rsp {
        int status;
 };
 
+/**
+ * Master thread
+ */
+static struct pipeline_msg_req *
+pipeline_msg_alloc(void)
+{
+       size_t size = RTE_MAX(sizeof(struct pipeline_msg_req),
+               sizeof(struct pipeline_msg_rsp));
+
+       return calloc(1, size);
+}
+
+static void
+pipeline_msg_free(struct pipeline_msg_rsp *rsp)
+{
+       free(rsp);
+}
+
+static struct pipeline_msg_rsp *
+pipeline_msg_send_recv(struct pipeline *p,
+       struct pipeline_msg_req *req)
+{
+       struct rte_ring *msgq_req = p->msgq_req;
+       struct rte_ring *msgq_rsp = p->msgq_rsp;
+       struct pipeline_msg_rsp *rsp;
+       int status;
+
+       /* send */
+       do {
+               status = rte_ring_sp_enqueue(msgq_req, req);
+       } while (status == -ENOBUFS);
+
+       /* recv */
+       do {
+               status = rte_ring_sc_dequeue(msgq_rsp, (void **)&rsp);
+       } while (status != 0);
+
+       return rsp;
+}
+
+int
+softnic_pipeline_port_in_enable(struct pmd_internals *softnic,
+       const char *pipeline_name,
+       uint32_t port_id)
+{
+       struct pipeline *p;
+       struct pipeline_msg_req *req;
+       struct pipeline_msg_rsp *rsp;
+       int status;
+
+       /* Check input params */
+       if (pipeline_name == NULL)
+               return -1;
+
+       p = softnic_pipeline_find(softnic, pipeline_name);
+       if (p == NULL ||
+               port_id >= p->n_ports_in)
+               return -1;
+
+       if (!pipeline_is_running(p)) {
+               status = rte_pipeline_port_in_enable(p->p, port_id);
+               return status;
+       }
+
+       /* Allocate request */
+       req = pipeline_msg_alloc();
+       if (req == NULL)
+               return -1;
+
+       /* Write request */
+       req->type = PIPELINE_REQ_PORT_IN_ENABLE;
+       req->id = port_id;
+
+       /* Send request and wait for response */
+       rsp = pipeline_msg_send_recv(p, req);
+       if (rsp == NULL)
+               return -1;
+
+       /* Read response */
+       status = rsp->status;
+
+       /* Free response */
+       pipeline_msg_free(rsp);
+
+       return status;
+}
+
+int
+softnic_pipeline_port_in_disable(struct pmd_internals *softnic,
+       const char *pipeline_name,
+       uint32_t port_id)
+{
+       struct pipeline *p;
+       struct pipeline_msg_req *req;
+       struct pipeline_msg_rsp *rsp;
+       int status;
+
+       /* Check input params */
+       if (pipeline_name == NULL)
+               return -1;
+
+       p = softnic_pipeline_find(softnic, pipeline_name);
+       if (p == NULL ||
+               port_id >= p->n_ports_in)
+               return -1;
+
+       if (!pipeline_is_running(p)) {
+               status = rte_pipeline_port_in_disable(p->p, port_id);
+               return status;
+       }
+
+       /* Allocate request */
+       req = pipeline_msg_alloc();
+       if (req == NULL)
+               return -1;
+
+       /* Write request */
+       req->type = PIPELINE_REQ_PORT_IN_DISABLE;
+       req->id = port_id;
+
+       /* Send request and wait for response */
+       rsp = pipeline_msg_send_recv(p, req);
+       if (rsp == NULL)
+               return -1;
+
+       /* Read response */
+       status = rsp->status;
+
+       /* Free response */
+       pipeline_msg_free(rsp);
+
+       return status;
+}
+
 /**
  * Data plane threads: message handling
  */
@@ -194,6 +356,32 @@ pipeline_msg_send(struct rte_ring *msgq_rsp,
        } while (status == -ENOBUFS);
 }
 
+static struct pipeline_msg_rsp *
+pipeline_msg_handle_port_in_enable(struct pipeline_data *p,
+       struct pipeline_msg_req *req)
+{
+       struct pipeline_msg_rsp *rsp = (struct pipeline_msg_rsp *)req;
+       uint32_t port_id = req->id;
+
+       rsp->status = rte_pipeline_port_in_enable(p->p,
+               port_id);
+
+       return rsp;
+}
+
+static struct pipeline_msg_rsp *
+pipeline_msg_handle_port_in_disable(struct pipeline_data *p,
+       struct pipeline_msg_req *req)
+{
+       struct pipeline_msg_rsp *rsp = (struct pipeline_msg_rsp *)req;
+       uint32_t port_id = req->id;
+
+       rsp->status = rte_pipeline_port_in_disable(p->p,
+               port_id);
+
+       return rsp;
+}
+
 static void
 pipeline_msg_handle(struct pipeline_data *p)
 {
@@ -206,6 +394,14 @@ pipeline_msg_handle(struct pipeline_data *p)
                        break;
 
                switch (req->type) {
+               case PIPELINE_REQ_PORT_IN_ENABLE:
+                       rsp = pipeline_msg_handle_port_in_enable(p, req);
+                       break;
+
+               case PIPELINE_REQ_PORT_IN_DISABLE:
+                       rsp = pipeline_msg_handle_port_in_disable(p, req);
+                       break;
+
                default:
                        rsp = (struct pipeline_msg_rsp *)req;
                        rsp->status = -1;