Hi Bruce,

The DDP package file being loaded at init time may contain an
alternative Tx Scheduler topology in it. Add driver option to load this
topology at init time.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 doc/guides/nics/ice.rst        | 15 +++++++++++++++
 drivers/net/ice/base/ice_ddp.c | 20 +++++++++++++++++---
 drivers/net/ice/base/ice_ddp.h |  4 ++--
 drivers/net/ice/ice_ethdev.c   | 24 +++++++++++++++---------
 drivers/net/ice/ice_ethdev.h   |  1 +
 5 files changed, 50 insertions(+), 14 deletions(-)

@@ -2030,19 +2032,18 @@ static int
 parse_bool(const char *key, const char *value, void *args)
 {
 	int *i = (int *)args;
-	char *end;
-	int num;
 
-	num = strtoul(value, &end, 10);
-
-	if (num != 0 && num != 1) {
-		PMD_DRV_LOG(WARNING, "invalid value:\"%s\" for key:\"%s\", "
-			"value must be 0 or 1",
+	if (value == NULL || value[0] == '\0') {
+		PMD_DRV_LOG(WARNING, "key:\"%s\", requires a value, which must be 0 or 1", key);
+		return -1;
+	}
+	if (value[1] != '\0' || (value[0] != '0' && value[0] != '1')) {
+		PMD_DRV_LOG(WARNING, "invalid value:\"%s\" for key:\"%s\", value must be 0 or 1",
 			value, key);
 		return -1;
 	}
 
-	*i = num;
+	*i = value[0] - '0';

I think that instead of using char arithmetic, it would be better to:

*i = !(value[0] == '0')

 	return 0;
 }
 
@@ -2307,6 +2308,10 @@ static int ice_parse_devargs(struct rte_eth_dev *dev)
 	if (ret)
 		goto bail;
 
+	ret = rte_kvargs_process(kvlist, ICE_DDP_LOAD_SCHED_ARG,
+				 &parse_bool, &ad->devargs.ddp_load_sched);
+	if (ret)
+		goto bail;
 bail:
 	rte_kvargs_free(kvlist);
 	return ret;
@@ -7185,6 +7190,7 @@ RTE_PMD_REGISTER_PARAM_STRING(net_ice,
 			      ICE_SAFE_MODE_SUPPORT_ARG "=<0|1>"
 			      ICE_DEFAULT_MAC_DISABLE "=<0|1>"
 			      ICE_DDP_FILENAME_ARG "=</path/to/file>"
+			      ICE_DDP_LOAD_SCHED_ARG "=<0|1>"
 			      ICE_RX_LOW_LATENCY_ARG "=<0|1>");
 
 RTE_LOG_REGISTER_SUFFIX(ice_logtype_init, init, NOTICE);
diff --git a/drivers/net/ice/ice_ethdev.h b/drivers/net/ice/ice_ethdev.h
index 076cf595e8..2794a76096 100644
--- a/drivers/net/ice/ice_ethdev.h
+++ b/drivers/net/ice/ice_ethdev.h
@@ -564,6 +564,7 @@ struct ice_devargs {
 	uint8_t proto_xtr[ICE_MAX_QUEUE_NUM];
 	uint8_t pin_idx;
 	uint8_t pps_out_ena;
+	uint8_t ddp_load_sched;
 	int xtr_field_offs;
 	uint8_t xtr_flag_offs[PROTO_XTR_MAX];
 	/* Name of the field. */

-- 
Regards,
Vladimir