X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fnfb%2Fnfb_rx.c;h=d6d4ba9663c6eab1cec94677f73a4d02b2ce7166;hb=7206a1ca2bfe289aeacd92e39cfefd9a19f6c64f;hp=9147b00b0aef27d0534ed7b00c8abed8ce84a222;hpb=6435f9a0ac222ad8a1c53a2a039891c6f46cadb3;p=dpdk.git

diff --git a/drivers/net/nfb/nfb_rx.c b/drivers/net/nfb/nfb_rx.c
index 9147b00b0a..d6d4ba9663 100644
--- a/drivers/net/nfb/nfb_rx.c
+++ b/drivers/net/nfb/nfb_rx.c
@@ -4,9 +4,64 @@
  * All rights reserved.
  */
 
+#include <rte_kvargs.h>
+
 #include "nfb_rx.h"
 #include "nfb.h"
 
+uint64_t nfb_timestamp_rx_dynflag;
+int nfb_timestamp_dynfield_offset = -1;
+
+static int
+timestamp_check_handler(__rte_unused const char *key,
+	const char *value, __rte_unused void *opaque)
+{
+	if (strcmp(value, "1"))
+		return -1;
+
+	return 0;
+}
+
+
+static int
+nfb_check_timestamp(struct rte_devargs *devargs)
+{
+	struct rte_kvargs *kvlist;
+	int ret;
+
+	if (devargs == NULL)
+		return 0;
+
+	kvlist = rte_kvargs_parse(devargs->args, NULL);
+	if (kvlist == NULL)
+		return 0;
+
+	if (!rte_kvargs_count(kvlist, TIMESTAMP_ARG)) {
+		rte_kvargs_free(kvlist);
+		return 0;
+	}
+	/* Timestamps are enabled when there is
+	 * key-value pair: enable_timestamp=1
+	 * TODO: timestamp should be enabled with DEV_RX_OFFLOAD_TIMESTAMP
+	 */
+	if (rte_kvargs_process(kvlist, TIMESTAMP_ARG,
+		timestamp_check_handler, NULL) < 0) {
+		rte_kvargs_free(kvlist);
+		return 0;
+	}
+	rte_kvargs_free(kvlist);
+
+	ret = rte_mbuf_dyn_rx_timestamp_register(
+			&nfb_timestamp_dynfield_offset,
+			&nfb_timestamp_rx_dynflag);
+	if (ret != 0) {
+		RTE_LOG(ERR, PMD, "Cannot register Rx timestamp field/flag\n");
+		return -rte_errno;
+	}
+
+	return 1;
+}
+
 int
 nfb_eth_rx_queue_start(struct rte_eth_dev *dev, uint16_t rxq_id)
 {
@@ -70,6 +125,8 @@ nfb_eth_rx_queue_setup(struct rte_eth_dev *dev,
 		return -ENOMEM;
 	}
 
+	rxq->flags = 0;
+
 	ret = nfb_eth_rx_queue_init(internals->nfb,
 		rx_queue_id,
 		dev->data->port_id,
@@ -81,6 +138,9 @@ nfb_eth_rx_queue_setup(struct rte_eth_dev *dev,
 	else
 		rte_free(rxq);
 
+	if (nfb_check_timestamp(dev->device->devargs) > 0)
+		rxq->flags |= NFB_TIMESTAMP_FLAG;
+
 	return ret;
 }