app/testpmd: add generic event handler

This is a rather simple handler that prints a message with the name of
the current event. It can be used to check PMD callback registration and
triggers.

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 2ab5091..28d9b26 100644 (file)
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -351,6 +351,9 @@ struct rte_stats_bitrates *bitrate_data;
 /* Forward function declarations */
 static void map_port_queue_stats_mapping_registers(uint8_t pi, struct rte_port *port);
 static void check_all_ports_link_status(uint32_t port_mask);
+static void eth_event_callback(uint8_t port_id,
+                              enum rte_eth_event_type type,
+                              void *param);
 
 /*
  * Check if all the ports are started.
@@ -1347,6 +1350,7 @@ start_port(portid_t pid)
        queueid_t qi;
        struct rte_port *port;
        struct ether_addr mac_addr;
+       enum rte_eth_event_type event_type;
 
        if (port_id_is_invalid(pid, ENABLED_WARN))
                return 0;
@@ -1458,6 +1462,21 @@ start_port(portid_t pid)
                                return -1;
                        }
                }
+
+               for (event_type = RTE_ETH_EVENT_UNKNOWN;
+                    event_type < RTE_ETH_EVENT_MAX;
+                    event_type++) {
+                       diag = rte_eth_dev_callback_register(pi,
+                                                       event_type,
+                                                       eth_event_callback,
+                                                       NULL);
+                       if (diag) {
+                               printf("Failed to setup even callback for event %d\n",
+                                       event_type);
+                               return -1;
+                       }
+               }
+
                /* start port */
                if (rte_eth_dev_start(pi) < 0) {
                        printf("Fail to start port %d\n", pi);
@@ -1730,6 +1749,34 @@ check_all_ports_link_status(uint32_t port_mask)
        }
 }
 
+/* This function is used by the interrupt thread */
+static void
+eth_event_callback(uint8_t port_id, enum rte_eth_event_type type, void *param)
+{
+       static const char * const event_desc[] = {
+               [RTE_ETH_EVENT_UNKNOWN] = "Unknown",
+               [RTE_ETH_EVENT_INTR_LSC] = "LSC",
+               [RTE_ETH_EVENT_QUEUE_STATE] = "Queue state",
+               [RTE_ETH_EVENT_INTR_RESET] = "Interrupt reset",
+               [RTE_ETH_EVENT_VF_MBOX] = "VF Mbox",
+               [RTE_ETH_EVENT_MACSEC] = "MACsec",
+               [RTE_ETH_EVENT_INTR_RMV] = "device removal",
+               [RTE_ETH_EVENT_MAX] = NULL,
+       };
+
+       RTE_SET_USED(param);
+
+       if (type >= RTE_ETH_EVENT_MAX) {
+               fprintf(stderr, "\nPort %" PRIu8 ": %s called upon invalid event %d\n",
+                       port_id, __func__, type);
+               fflush(stderr);
+       } else {
+               printf("\nPort %" PRIu8 ": %s event\n", port_id,
+                       event_desc[type]);
+               fflush(stdout);
+       }
+}
+
 static int
 set_tx_queue_stats_mapping_registers(uint8_t port_id, struct rte_port *port)
 {