[PATCH v2 2/2] net/iavf: add restore command to testpmd

[Ciara Loftus]

This patch adds an IAVF testpmd command "port restore <port_id>" which
will send a request to the PF to reset the given VF, followed by the
VF then reinitialising and restarting itself.

Signed-off-by: Ciara Loftus <ciara.loftus at intel.com>
---
 drivers/net/intel/iavf/iavf_testpmd.c | 52 +++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/drivers/net/intel/iavf/iavf_testpmd.c b/drivers/net/intel/iavf/iavf_testpmd.c
index 775179fc01..2432e015b3 100644
--- a/drivers/net/intel/iavf/iavf_testpmd.c
+++ b/drivers/net/intel/iavf/iavf_testpmd.c
@@ -69,6 +69,52 @@ static cmdline_parse_inst_t cmd_enable_tx_lldp = {
 	},
 };
 
+struct cmd_restore_result {
+	cmdline_fixed_string_t port;
+	cmdline_fixed_string_t restore;
+	portid_t port_id;
+};
+
+static cmdline_parse_token_string_t cmd_restore_port =
+	TOKEN_STRING_INITIALIZER(struct cmd_restore_result,
+		port, "port");
+static cmdline_parse_token_string_t cmd_restore_restore =
+	TOKEN_STRING_INITIALIZER(struct cmd_restore_result,
+		restore, "restore");
+static cmdline_parse_token_num_t cmd_restore_port_id =
+	TOKEN_NUM_INITIALIZER(struct cmd_restore_result,
+		port_id, RTE_UINT16);
+
+static void
+cmd_restore_parsed(void *parsed_result,
+	__rte_unused struct cmdline *cl, __rte_unused void *data)
+{
+	struct cmd_restore_result *res = parsed_result;
+	int ret;
+
+	if (port_id_is_invalid(res->port_id, ENABLED_WARN))
+		return;
+
+	ret = rte_pmd_iavf_restore(res->port_id);
+	if (ret < 0)
+		fprintf(stderr, "Request to restore VF failed for port %u: %s\n",
+			res->port_id, rte_strerror(-ret));
+	else
+		printf("VF restore requested for port %u\n", res->port_id);
+}
+
+static cmdline_parse_inst_t cmd_restore = {
+	.f = cmd_restore_parsed,
+	.data = NULL,
+	.help_str = "port restore <port_id>",
+	.tokens = {
+		(void *)&cmd_restore_port,
+		(void *)&cmd_restore_restore,
+		(void *)&cmd_restore_port_id,
+		NULL,
+	},
+};
+
 static struct testpmd_driver_commands iavf_cmds = {
 	.commands = {
 	{
@@ -76,7 +122,13 @@ static struct testpmd_driver_commands iavf_cmds = {
 		"set tx lldp (on|off)\n"
 		"    Set iavf Tx lldp packet(currently only supported on)\n\n",
 	},
+	{
+		&cmd_restore,
+		"port restore (port_id)\n"
+		"    Send a request to the PF to reset the VF, then restore the port\n\n",
+	},
 	{ NULL, NULL },
 	},
 };
+
 TESTPMD_ADD_DRIVER_COMMANDS(iavf_cmds)
-- 
2.34.1