app/testpmd: add command for single flow dump

[dpdk.git] / app / test-pmd / config.c

diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 995171f..d4b0e85 100644 (file)
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -1915,13 +1915,41 @@ port_flow_flush(portid_t port_id)
        return ret;
 }
 
-/** Dump all flow rules. */
+/** Dump flow rules. */
 int
-port_flow_dump(portid_t port_id, const char *file_name)
+port_flow_dump(portid_t port_id, bool dump_all, uint32_t rule_id,
+               const char *file_name)
 {
        int ret = 0;
        FILE *file = stdout;
        struct rte_flow_error error;
+       struct rte_port *port;
+       struct port_flow *pflow;
+       struct rte_flow *tmpFlow = NULL;
+       bool found = false;
+
+       if (port_id_is_invalid(port_id, ENABLED_WARN) ||
+               port_id == (portid_t)RTE_PORT_ALL)
+               return -EINVAL;
+
+       if (!dump_all) {
+               port = &ports[port_id];
+               pflow = port->flow_list;
+               while (pflow) {
+                       if (rule_id != pflow->id) {
+                               pflow = pflow->next;
+                       } else {
+                               tmpFlow = pflow->flow;
+                               if (tmpFlow)
+                                       found = true;
+                               break;
+                       }
+               }
+               if (found == false) {
+                       printf("Failed to dump to flow %d\n", rule_id);
+                       return -EINVAL;
+               }
+       }
 
        if (file_name && strlen(file_name)) {
                file = fopen(file_name, "w");
@@ -1931,7 +1959,11 @@ port_flow_dump(portid_t port_id, const char *file_name)
                        return -errno;
                }
        }
-       ret = rte_flow_dev_dump(port_id, NULL, file, &error);
+
+       if (!dump_all)
+               ret = rte_flow_dev_dump(port_id, tmpFlow, file, &error);
+       else
+               ret = rte_flow_dev_dump(port_id, NULL, file, &error);
        if (ret) {
                port_flow_complain(&error);
                printf("Failed to dump flow: %s\n", strerror(-ret));