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From: Leyi Rong <leyi.rong@intel.com>
To: jingjing.wu@intel.com, qi.z.zhang@intel.com, beilei.xing@intel.com,
xiaolong.ye@intel.com
Cc: dev@dpdk.org,
Leyi Rong <leyi.rong@intel.com>
Date: Tue, 31 Mar 2020 16:02:28 +0800
Message-Id: <20200331080233.17154-8-leyi.rong@intel.com>
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<20200331080233.17154-1-leyi.rong@intel.com>
Subject: [dpdk-dev] [PATCH v2 07/12] net/iavf: add flow director enabled
switch value
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The commit adds fdir_enabled flag into iavf_adapter structure
to identify if fdir id is active. Rx data path can be benefit if
fdir id parsing is not needed, especially in vector path.
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
---
drivers/net/iavf/iavf.h | 1 +
drivers/net/iavf/iavf_rxtx.h | 26 ++++++++++++++++++++++++++
2 files changed, 27 insertions(+)
diff --git a/drivers/net/iavf/iavf.h b/drivers/net/iavf/iavf.h
index 4fe15237a..1918a67f1 100644
--- a/drivers/net/iavf/iavf.h
+++ b/drivers/net/iavf/iavf.h
@@ -142,6 +142,7 @@ struct iavf_adapter {
bool tx_vec_allowed;
const uint32_t *ptype_tbl;
bool stopped;
+ uint8_t fdir_enabled;
};
/* IAVF_DEV_PRIVATE_TO */
diff --git a/drivers/net/iavf/iavf_rxtx.h b/drivers/net/iavf/iavf_rxtx.h
index 290dd68c1..b4f4c5131 100644
--- a/drivers/net/iavf/iavf_rxtx.h
+++ b/drivers/net/iavf/iavf_rxtx.h
@@ -490,6 +490,32 @@ void iavf_dump_tx_descriptor(const struct iavf_tx_queue *txq,
tx_desc->cmd_type_offset_bsz);
}
+/* Enable/disable flow director Rx processing in data path. */
+static inline
+void iavf_fdir_rx_proc_enable(struct iavf_adapter *ad, bool on)
+{
+ static uint32_t ref_cnt;
+
+ if (on) {
+ /* enable flow director processing */
+ if (ref_cnt++ == 0) {
+ ad->fdir_enabled = on;
+ PMD_DRV_LOG(DEBUG,
+ "FDIR processing on RX set to %d", on);
+ }
+ } else {
+ if (ref_cnt >= 1) {
+ ref_cnt--;
+
+ if (ref_cnt == 0) {
+ ad->fdir_enabled = on;
+ PMD_DRV_LOG(DEBUG,
+ "FDIR processing on RX set to %d", on);
+ }
+ }
+ }
+}
+
#ifdef RTE_LIBRTE_IAVF_DEBUG_DUMP_DESC
#define IAVF_DUMP_RX_DESC(rxq, desc, rx_id) \
iavf_dump_rx_descriptor(rxq, desc, rx_id)
--
2.17.1