ethdev: introduce dump API

[dpdk.git] / lib / ethdev / ethdev_private.c

diff --git a/lib/ethdev/ethdev_private.c b/lib/ethdev/ethdev_private.c
index 012cf73..8fca20c 100644 (file)
--- a/lib/ethdev/ethdev_private.c
+++ b/lib/ethdev/ethdev_private.c
@@ -2,6 +2,7 @@
  * Copyright(c) 2018 Gaëtan Rivet
  */
 
+#include <rte_debug.h>
 #include "rte_ethdev.h"
 #include "ethdev_driver.h"
 #include "ethdev_private.h"
@@ -174,3 +175,130 @@ done:
                RTE_LOG(ERR, EAL, "wrong representor format: %s\n", str);
        return str == NULL ? -1 : 0;
 }
+
+struct dummy_queue {
+       bool rx_warn_once;
+       bool tx_warn_once;
+};
+static struct dummy_queue *dummy_queues_array[RTE_MAX_ETHPORTS][RTE_MAX_QUEUES_PER_PORT];
+static struct dummy_queue per_port_queues[RTE_MAX_ETHPORTS];
+RTE_INIT(dummy_queue_init)
+{
+       uint16_t port_id;
+
+       for (port_id = 0; port_id < RTE_DIM(per_port_queues); port_id++) {
+               unsigned int q;
+
+               for (q = 0; q < RTE_DIM(dummy_queues_array[port_id]); q++)
+                       dummy_queues_array[port_id][q] = &per_port_queues[port_id];
+       }
+}
+
+static uint16_t
+dummy_eth_rx_burst(void *rxq,
+               __rte_unused struct rte_mbuf **rx_pkts,
+               __rte_unused uint16_t nb_pkts)
+{
+       struct dummy_queue *queue = rxq;
+       uintptr_t port_id;
+
+       port_id = queue - per_port_queues;
+       if (port_id < RTE_DIM(per_port_queues) && !queue->rx_warn_once) {
+               RTE_ETHDEV_LOG(ERR, "lcore %u called rx_pkt_burst for not ready port %"PRIuPTR"\n",
+                       rte_lcore_id(), port_id);
+               rte_dump_stack();
+               queue->rx_warn_once = true;
+       }
+       rte_errno = ENOTSUP;
+       return 0;
+}
+
+static uint16_t
+dummy_eth_tx_burst(void *txq,
+               __rte_unused struct rte_mbuf **tx_pkts,
+               __rte_unused uint16_t nb_pkts)
+{
+       struct dummy_queue *queue = txq;
+       uintptr_t port_id;
+
+       port_id = queue - per_port_queues;
+       if (port_id < RTE_DIM(per_port_queues) && !queue->tx_warn_once) {
+               RTE_ETHDEV_LOG(ERR, "lcore %u called tx_pkt_burst for not ready port %"PRIuPTR"\n",
+                       rte_lcore_id(), port_id);
+               rte_dump_stack();
+               queue->tx_warn_once = true;
+       }
+       rte_errno = ENOTSUP;
+       return 0;
+}
+
+void
+eth_dev_fp_ops_reset(struct rte_eth_fp_ops *fpo)
+{
+       static void *dummy_data[RTE_MAX_QUEUES_PER_PORT];
+       uintptr_t port_id = fpo - rte_eth_fp_ops;
+
+       per_port_queues[port_id].rx_warn_once = false;
+       per_port_queues[port_id].tx_warn_once = false;
+       *fpo = (struct rte_eth_fp_ops) {
+               .rx_pkt_burst = dummy_eth_rx_burst,
+               .tx_pkt_burst = dummy_eth_tx_burst,
+               .rxq = {
+                       .data = (void **)&dummy_queues_array[port_id],
+                       .clbk = dummy_data,
+               },
+               .txq = {
+                       .data = (void **)&dummy_queues_array[port_id],
+                       .clbk = dummy_data,
+               },
+       };
+}
+
+void
+eth_dev_fp_ops_setup(struct rte_eth_fp_ops *fpo,
+               const struct rte_eth_dev *dev)
+{
+       fpo->rx_pkt_burst = dev->rx_pkt_burst;
+       fpo->tx_pkt_burst = dev->tx_pkt_burst;
+       fpo->tx_pkt_prepare = dev->tx_pkt_prepare;
+       fpo->rx_queue_count = dev->rx_queue_count;
+       fpo->rx_descriptor_status = dev->rx_descriptor_status;
+       fpo->tx_descriptor_status = dev->tx_descriptor_status;
+
+       fpo->rxq.data = dev->data->rx_queues;
+       fpo->rxq.clbk = (void **)(uintptr_t)dev->post_rx_burst_cbs;
+
+       fpo->txq.data = dev->data->tx_queues;
+       fpo->txq.clbk = (void **)(uintptr_t)dev->pre_tx_burst_cbs;
+}
+
+uint16_t
+rte_eth_call_rx_callbacks(uint16_t port_id, uint16_t queue_id,
+       struct rte_mbuf **rx_pkts, uint16_t nb_rx, uint16_t nb_pkts,
+       void *opaque)
+{
+       const struct rte_eth_rxtx_callback *cb = opaque;
+
+       while (cb != NULL) {
+               nb_rx = cb->fn.rx(port_id, queue_id, rx_pkts, nb_rx,
+                               nb_pkts, cb->param);
+               cb = cb->next;
+       }
+
+       return nb_rx;
+}
+
+uint16_t
+rte_eth_call_tx_callbacks(uint16_t port_id, uint16_t queue_id,
+       struct rte_mbuf **tx_pkts, uint16_t nb_pkts, void *opaque)
+{
+       const struct rte_eth_rxtx_callback *cb = opaque;
+
+       while (cb != NULL) {
+               nb_pkts = cb->fn.tx(port_id, queue_id, tx_pkts, nb_pkts,
+                               cb->param);
+               cb = cb->next;
+       }
+
+       return nb_pkts;
+}