app/procinfo: dump Rx and Tx descriptor info
authorStephen Hemminger <stephen@networkplumber.org>
Thu, 24 Sep 2020 05:34:31 +0000 (22:34 -0700)
committerThomas Monjalon <thomas@monjalon.net>
Mon, 19 Oct 2020 22:42:20 +0000 (00:42 +0200)
Many drivers will report per queue info
as well as how many descriptors are in use.
Also display per-queue offload flags.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
app/proc-info/main.c

index 297c124..b2e6007 100644 (file)
@@ -654,6 +654,18 @@ metrics_display(int port_id)
        rte_free(names);
 }
 
+static void
+show_offloads(uint64_t offloads,
+             const char *(show_offload)(uint64_t))
+{
+       printf(" offloads :");
+       while (offloads != 0) {
+               uint64_t offload_flag = 1ULL << __builtin_ctzll(offloads);
+               printf(" %s", show_offload(offload_flag));
+               offloads &= ~offload_flag;
+       }
+}
+
 static void
 show_port(void)
 {
@@ -667,7 +679,6 @@ show_port(void)
                uint16_t mtu = 0;
                struct rte_eth_link link;
                struct rte_eth_dev_info dev_info;
-               struct rte_eth_rxq_info queue_info;
                struct rte_eth_rss_conf rss_conf;
                char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
                struct rte_eth_fc_conf fc_conf;
@@ -718,6 +729,7 @@ show_port(void)
                ret = rte_eth_macaddr_get(i, &mac);
                if (ret == 0) {
                        char ebuf[RTE_ETHER_ADDR_FMT_SIZE];
+
                        rte_ether_format_addr(ebuf, sizeof(ebuf), &mac);
                        printf("\t  -- mac %s\n", ebuf);
                }
@@ -736,26 +748,69 @@ show_port(void)
                if (ret == 0)
                        printf("\t  -- mtu (%d)\n", mtu);
 
-               printf("  - queue\n");
                for (j = 0; j < dev_info.nb_rx_queues; j++) {
+                       struct rte_eth_rxq_info queue_info;
+                       int count;
+
                        ret = rte_eth_rx_queue_info_get(i, j, &queue_info);
-                       if (ret == 0) {
-                               printf("\t  -- queue %u rx scatter %u"
-                                      " descriptors %u"
-                                      " offloads %#" PRIx64
-                                      " mempool name %s socket %d",
-                                      j,
-                                      queue_info.scattered_rx,
-                                      queue_info.nb_desc,
-                                      queue_info.conf.offloads,
-                                      queue_info.mp->name,
-                                      queue_info.mp->socket_id);
-
-                               if (queue_info.rx_buf_size != 0)
-                                       printf(" rx buffer size %u",
-                                               queue_info.rx_buf_size);
-                               printf("\n");
-                       }
+                       if (ret != 0)
+                               break;
+
+                       if (j == 0)
+                               printf("  - rx queue\n");
+
+                       printf("\t  -- %d descriptors ", j);
+                       count = rte_eth_rx_queue_count(i, j);
+                       if (count >= 0)
+                               printf("%d/", count);
+                       printf("%u", queue_info.nb_desc);
+
+                       if (queue_info.scattered_rx)
+                               printf(" scattered");
+
+                       if (queue_info.conf.rx_drop_en)
+                               printf(" drop_en");
+
+                       if (queue_info.conf.rx_deferred_start)
+                               printf(" deferred_start");
+
+                       if (queue_info.rx_buf_size != 0)
+                               printf(" rx buffer size %u",
+                                      queue_info.rx_buf_size);
+
+                       printf(" mempool %s socket %d",
+                              queue_info.mp->name,
+                              queue_info.mp->socket_id);
+
+                       if (queue_info.conf.offloads != 0)
+                               show_offloads(queue_info.conf.offloads, rte_eth_dev_rx_offload_name);
+
+                       printf("\n");
+               }
+
+               for (j = 0; j < dev_info.nb_tx_queues; j++) {
+                       struct rte_eth_txq_info queue_info;
+
+                       ret = rte_eth_tx_queue_info_get(i, j, &queue_info);
+                       if (ret != 0)
+                               break;
+
+                       if (j == 0)
+                               printf("  - tx queue\n");
+
+                       printf("\t  -- %d descriptors %d",
+                              j, queue_info.nb_desc);
+
+                       printf(" thresh %u/%u",
+                              queue_info.conf.tx_rs_thresh,
+                              queue_info.conf.tx_free_thresh);
+
+                       if (queue_info.conf.tx_deferred_start)
+                               printf(" deferred_start");
+
+                       if (queue_info.conf.offloads != 0)
+                               show_offloads(queue_info.conf.offloads, rte_eth_dev_tx_offload_name);
+                       printf("\n");
                }
 
                ret = rte_eth_dev_rss_hash_conf_get(i, &rss_conf);