app/testpmd: show Rx/Tx burst mode description

Add the 'Burst mode' section into command 'show rxq|txq info <port_id>
<queue_id>' to show the Rx/Tx burst mode description like:
  "Burst mode: Vector AVX2 Scattered"

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>
Reviewed-by: Xiaolong Ye <xiaolong.ye@intel.com>

diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 2356afe..1844e48 100644 (file)
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -346,9 +346,25 @@ nic_stats_mapping_display(portid_t port_id)
               nic_stats_mapping_border, nic_stats_mapping_border);
 }
 
+static void
+burst_mode_options_display(uint64_t options)
+{
+       int offset;
+
+       while (options != 0) {
+               offset = rte_bsf64(options);
+
+               printf(" %s",
+                      rte_eth_burst_mode_option_name(1ULL << offset));
+
+               options &= ~(1ULL << offset);
+       }
+}
+
 void
 rx_queue_infos_display(portid_t port_id, uint16_t queue_id)
 {
+       struct rte_eth_burst_mode mode;
        struct rte_eth_rxq_info qinfo;
        int32_t rc;
        static const char *info_border = "*********************";
@@ -376,12 +392,19 @@ rx_queue_infos_display(portid_t port_id, uint16_t queue_id)
        printf("\nRX scattered packets: %s",
                (qinfo.scattered_rx != 0) ? "on" : "off");
        printf("\nNumber of RXDs: %hu", qinfo.nb_desc);
+
+       if (rte_eth_rx_burst_mode_get(port_id, queue_id, &mode) == 0) {
+               printf("\nBurst mode:");
+               burst_mode_options_display(mode.options);
+       }
+
        printf("\n");
 }
 
 void
 tx_queue_infos_display(portid_t port_id, uint16_t queue_id)
 {
+       struct rte_eth_burst_mode mode;
        struct rte_eth_txq_info qinfo;
        int32_t rc;
        static const char *info_border = "*********************";
@@ -405,6 +428,12 @@ tx_queue_infos_display(portid_t port_id, uint16_t queue_id)
        printf("\nTX deferred start: %s",
                (qinfo.conf.tx_deferred_start != 0) ? "on" : "off");
        printf("\nNumber of TXDs: %hu", qinfo.nb_desc);
+
+       if (rte_eth_tx_burst_mode_get(port_id, queue_id, &mode) == 0) {
+               printf("\nBurst mode:");
+               burst_mode_options_display(mode.options);
+       }
+
        printf("\n");
 }