X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fip_pipeline%2Fthread.c;h=35c4de3731dc32de5b7c48a1b6a2f75bda95caac;hb=6b1b3c3c9d30;hp=6c555dc6c9fd7dc19acd6d871a6e76f1eaf6f17c;hpb=32e5d9b154cbeefa5b444f8360dd33fecf523680;p=dpdk.git diff --git a/examples/ip_pipeline/thread.c b/examples/ip_pipeline/thread.c index 6c555dc6c9..35c4de3731 100644 --- a/examples/ip_pipeline/thread.c +++ b/examples/ip_pipeline/thread.c @@ -477,19 +477,148 @@ thread_msg_handle(struct 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 +pipeline_port_in_enable(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 = pipeline_find(pipeline_name); + if ((p == NULL) || + (p->enabled == 0) || + (port_id >= p->n_ports_in)) + return -1; + + /* 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 +pipeline_port_in_disable(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 = pipeline_find(pipeline_name); + if ((p == NULL) || + (p->enabled == 0) || + (port_id >= p->n_ports_in)) + return -1; + + /* 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 */ @@ -517,6 +646,32 @@ 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) { @@ -529,6 +684,14 @@ 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;