[dpdk-dev] [PATCH v2] testpmd: sfp eeprom display

[Gaetan Rivet <gaetan.rivet@6wind.com>]

The interactive command

  show port sfp_eeprom <id>

will dump the content of the SFP EEPROM for the selected port.
Dumping SFP eeprom of all ports at once is not supported.

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
 app/test-pmd/cmdline.c |  9 +++++++--
 app/test-pmd/config.c  | 32 ++++++++++++++++++++++++++++++++
 app/test-pmd/testpmd.h |  1 +
 3 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 0c5399dc4..cc3dd1373 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -170,6 +170,9 @@ static void cmd_help_long_parsed(void *parsed_result,
 			"show port (info|stats|xstats|fdir|stat_qmap|dcb_tc|cap) (port_id|all)\n"
 			"    Display information for port_id, or all.\n\n"
 
+			"show port sfp_eeprom (port_id)\n"
+			"    Display SFP EEPROM for port_id.\n\n"
+
 			"show port X rss reta (size) (mask0,mask1,...)\n"
 			"    Display the rss redirection table entry indicated"
 			" by masks on port X. size is used to indicate the"
@@ -7237,6 +7240,8 @@ static void cmd_showport_parsed(void *parsed_result,
 		port_dcb_info_display(res->portnum);
 	else if (!strcmp(res->what, "cap"))
 		port_offload_cap_display(res->portnum);
+	else if (!strcmp(res->what, "sfp_eeprom"))
+		port_sfp_eeprom_display(res->portnum);
 }
 
 cmdline_parse_token_string_t cmd_showport_show =
@@ -7246,7 +7251,7 @@ 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#dcb_tc#cap");
+				 "info#stats#xstats#fdir#stat_qmap#dcb_tc#cap#sfp_eeprom");
 cmdline_parse_token_num_t cmd_showport_portnum =
 	TOKEN_NUM_INITIALIZER(struct cmd_showport_result, portnum, UINT16);
 
@@ -7254,7 +7259,7 @@ cmdline_parse_inst_t cmd_showport = {
 	.f = cmd_showport_parsed,
 	.data = NULL,
 	.help_str = "show|clear port "
-		"info|stats|xstats|fdir|stat_qmap|dcb_tc|cap "
+		"info|stats|xstats|fdir|stat_qmap|dcb_tc|cap|sfp_eeprom "
 		"<port_id>",
 	.tokens = {
 		(void *)&cmd_showport_show,
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 794aa5268..24c4bbcad 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -49,6 +49,7 @@
 #include <rte_pmd_bnxt.h>
 #endif
 #include <rte_gro.h>
+#include <rte_hexdump.h>
 #include <cmdline_parse_etheraddr.h>
 
 #include "testpmd.h"
@@ -757,6 +758,37 @@ port_offload_cap_display(portid_t port_id)
 	}
 }
 
+void
+port_sfp_eeprom_display(portid_t port_id)
+{
+	struct rte_eth_dev_module_info minfo;
+	struct rte_dev_eeprom_info einfo;
+	char buf[1024];
+	int ret;
+
+	if (port_id == (portid_t)RTE_PORT_ALL)
+		return;
+
+	ret = rte_eth_dev_get_module_info(port_id, &minfo);
+	if (ret) {
+		printf("Unable to get module info: %d\n", ret);
+		return;
+	}
+
+	einfo.offset = 0;
+	einfo.length = minfo.eeprom_len;
+	einfo.data = buf;
+
+	ret = rte_eth_dev_get_module_eeprom(port_id, &einfo);
+	if (ret) {
+		printf("Unable to get module EEPROM: %d\n", ret);
+		return;
+	}
+
+	printf("Port %u SFP EEPROM:\n", port_id);
+	rte_hexdump(stdout, "hexdump", einfo.data, einfo.length);
+}
+
 int
 port_id_is_invalid(portid_t port_id, enum print_warning warning)
 {
diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
index a1f661472..edfee29bf 100644
--- a/app/test-pmd/testpmd.h
+++ b/app/test-pmd/testpmd.h
@@ -595,6 +595,7 @@ void nic_xstats_clear(portid_t port_id);
 void nic_stats_mapping_display(portid_t port_id);
 void port_infos_display(portid_t port_id);
 void port_offload_cap_display(portid_t port_id);
+void port_sfp_eeprom_display(portid_t port_id);
 void rx_queue_infos_display(portid_t port_idi, uint16_t queue_id);
 void tx_queue_infos_display(portid_t port_idi, uint16_t queue_id);
 void fwd_lcores_config_display(void);
-- 
2.19.0