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path: root/drivers/net/ethernet/huawei/hinic/hinic_rx.c
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Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_rx.c')
-rw-r--r--drivers/net/ethernet/huawei/hinic/hinic_rx.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
new file mode 100644
index 000000000000..3c79f65d44da
--- /dev/null
+++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
@@ -0,0 +1,72 @@
+/*
+ * Huawei HiNIC PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ */
+
+#include <linux/netdevice.h>
+#include <linux/u64_stats_sync.h>
+
+#include "hinic_hw_qp.h"
+#include "hinic_rx.h"
+
+/**
+ * hinic_rxq_clean_stats - Clean the statistics of specific queue
+ * @rxq: Logical Rx Queue
+ **/
+void hinic_rxq_clean_stats(struct hinic_rxq *rxq)
+{
+ struct hinic_rxq_stats *rxq_stats = &rxq->rxq_stats;
+
+ u64_stats_update_begin(&rxq_stats->syncp);
+ rxq_stats->pkts = 0;
+ rxq_stats->bytes = 0;
+ u64_stats_update_end(&rxq_stats->syncp);
+}
+
+/**
+ * rxq_stats_init - Initialize the statistics of specific queue
+ * @rxq: Logical Rx Queue
+ **/
+static void rxq_stats_init(struct hinic_rxq *rxq)
+{
+ struct hinic_rxq_stats *rxq_stats = &rxq->rxq_stats;
+
+ u64_stats_init(&rxq_stats->syncp);
+ hinic_rxq_clean_stats(rxq);
+}
+
+/**
+ * hinic_init_rxq - Initialize the Rx Queue
+ * @rxq: Logical Rx Queue
+ * @rq: Hardware Rx Queue to connect the Logical queue with
+ * @netdev: network device to connect the Logical queue with
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_init_rxq(struct hinic_rxq *rxq, struct hinic_rq *rq,
+ struct net_device *netdev)
+{
+ rxq->netdev = netdev;
+ rxq->rq = rq;
+
+ rxq_stats_init(rxq);
+ return 0;
+}
+
+/**
+ * hinic_clean_rxq - Clean the Rx Queue
+ * @rxq: Logical Rx Queue
+ **/
+void hinic_clean_rxq(struct hinic_rxq *rxq)
+{
+}