This patch adds a command to display DCB info in ports.

Signed-off-by: Jingjing Wu <jingjing.wu at intel.com>
---
 app/test-pmd/cmdline.c | 15 ++++++++++-----
 app/test-pmd/config.c  | 43 +++++++++++++++++++++++++++++++++++++++++++
 app/test-pmd/testpmd.h |  1 +
 3 files changed, 54 insertions(+), 5 deletions(-)

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 2ec855f..bf6b3e4 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -182,7 +182,7 @@ static void cmd_help_long_parsed(void *parsed_result,
                        "Display:\n"
                        "--------\n\n"

-                       "show port (info|stats|xstats|fdir|stat_qmap) 
(port_id|all)\n"
+                       "show port (info|stats|xstats|fdir|stat_qmap|dcb_tc) 
(port_id|all)\n"
                        "    Display information for port_id, or all.\n\n"

                        "show port X rss reta (size) (mask0,mask1,...)\n"
@@ -5235,6 +5235,9 @@ static void cmd_showportall_parsed(void *parsed_result,
        else if (!strcmp(res->what, "stat_qmap"))
                FOREACH_PORT(i, ports)
                        nic_stats_mapping_display(i);
+       else if (!strcmp(res->what, "dcb_tc"))
+               FOREACH_PORT(i, ports)
+                       port_dcb_info_display(i);
 }

 cmdline_parse_token_string_t cmd_showportall_show =
@@ -5244,13 +5247,13 @@ cmdline_parse_token_string_t cmd_showportall_port =
        TOKEN_STRING_INITIALIZER(struct cmd_showportall_result, port, "port");
 cmdline_parse_token_string_t cmd_showportall_what =
        TOKEN_STRING_INITIALIZER(struct cmd_showportall_result, what,
-                                "info#stats#xstats#fdir#stat_qmap");
+                                "info#stats#xstats#fdir#stat_qmap#dcb_tc");
 cmdline_parse_token_string_t cmd_showportall_all =
        TOKEN_STRING_INITIALIZER(struct cmd_showportall_result, all, "all");
 cmdline_parse_inst_t cmd_showportall = {
        .f = cmd_showportall_parsed,
        .data = NULL,
-       .help_str = "show|clear port info|stats|xstats|fdir|stat_qmap all",
+       .help_str = "show|clear port info|stats|xstats|fdir|stat_qmap|dcb_tc 
all",
        .tokens = {
                (void *)&cmd_showportall_show,
                (void *)&cmd_showportall_port,
@@ -5288,6 +5291,8 @@ static void cmd_showport_parsed(void *parsed_result,
                 fdir_get_infos(res->portnum);
        else if (!strcmp(res->what, "stat_qmap"))
                nic_stats_mapping_display(res->portnum);
+       else if (!strcmp(res->what, "dcb_tc"))
+               port_dcb_info_display(res->portnum);
 }

 cmdline_parse_token_string_t cmd_showport_show =
@@ -5297,14 +5302,14 @@ cmdline_parse_token_string_t cmd_showport_port =
        TOKEN_STRING_INITIALIZER(struct cmd_showport_result, port, "port");
 cmdline_parse_token_string_t cmd_showport_what =
        TOKEN_STRING_INITIALIZER(struct cmd_showport_result, what,
-                                "info#stats#xstats#fdir#stat_qmap");
+                                "info#stats#xstats#fdir#stat_qmap#dcb_tc");
 cmdline_parse_token_num_t cmd_showport_portnum =
        TOKEN_NUM_INITIALIZER(struct cmd_showport_result, portnum, UINT8);

 cmdline_parse_inst_t cmd_showport = {
        .f = cmd_showport_parsed,
        .data = NULL,
-       .help_str = "show|clear port info|stats|xstats|fdir|stat_qmap X (X = 
port number)",
+       .help_str = "show|clear port info|stats|xstats|fdir|stat_qmap|dcb_tc X 
(X = port number)",
        .tokens = {
                (void *)&cmd_showport_show,
                (void *)&cmd_showport_port,
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 11136aa..6d5820a 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -2268,3 +2268,46 @@ mcast_addr_remove(uint8_t port_id, struct ether_addr 
*mc_addr)
        mcast_addr_pool_remove(port, i);
        eth_port_multicast_addr_list_set(port_id);
 }
+
+void
+port_dcb_info_display(uint8_t port_id)
+{
+       struct rte_eth_dcb_info dcb_info;
+       uint16_t i;
+       int ret;
+       static const char *border = "================";
+
+       if (port_id_is_invalid(port_id, ENABLED_WARN))
+               return;
+
+       ret = rte_eth_dev_get_dcb_info(port_id, &dcb_info);
+       if (ret) {
+               printf("\n Failed to get dcb infos on port %-2d\n",
+                       port_id);
+               return;
+       }
+       printf("\n  %s DCB infos for port %-2d  %s\n", border, port_id, border);
+       printf("  TC NUMBER: %d\n", dcb_info.nb_tcs);
+       printf("\n  TC :        ");
+       for (i = 0; i < dcb_info.nb_tcs; i++)
+               printf("\t%4d", i);
+       printf("\n  Priority :  ");
+       for (i = 0; i < dcb_info.nb_tcs; i++)
+               printf("\t%4d", dcb_info.prio_tc[i]);
+       printf("\n  BW percent :");
+       for (i = 0; i < dcb_info.nb_tcs; i++)
+               printf("\t%4d%%", dcb_info.tc_bws[i]);
+       printf("\n  RXQ base :  ");
+       for (i = 0; i < dcb_info.nb_tcs; i++)
+               printf("\t%4d", dcb_info.tc_queue.tc_rxq[0][i].base);
+       printf("\n  RXQ number :");
+       for (i = 0; i < dcb_info.nb_tcs; i++)
+               printf("\t%4d", dcb_info.tc_queue.tc_rxq[0][i].nb_queue);
+       printf("\n  TXQ base :  ");
+       for (i = 0; i < dcb_info.nb_tcs; i++)
+               printf("\t%4d", dcb_info.tc_queue.tc_txq[0][i].base);
+       printf("\n  TXQ number :");
+       for (i = 0; i < dcb_info.nb_tcs; i++)
+               printf("\t%4d", dcb_info.tc_queue.tc_txq[0][i].nb_queue);
+       printf("\n");
+}
diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
index 3661755..ecb411d 100644
--- a/app/test-pmd/testpmd.h
+++ b/app/test-pmd/testpmd.h
@@ -557,6 +557,7 @@ int tx_queue_id_is_invalid(queueid_t txq_id);
 /* Functions to manage the set of filtered Multicast MAC addresses */
 void mcast_addr_add(uint8_t port_id, struct ether_addr *mc_addr);
 void mcast_addr_remove(uint8_t port_id, struct ether_addr *mc_addr);
+void port_dcb_info_display(uint8_t port_id);

 enum print_warning {
        ENABLED_WARN = 0,
-- 
2.4.0

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