[dpdk-dev] [PATCH v4 07/16] fm10k: add func to do Vector RX condition check

["Chen Jing D(Mark)" <jing.d.chen@intel.com>]

From: "Chen Jing D(Mark)" <jing.d.chen@intel.com>

Add func fm10k_rx_vec_condition_check to check if Vector RX
func can be applied.

Signed-off-by: Chen Jing D(Mark) <jing.d.chen@intel.com>
---
 drivers/net/fm10k/fm10k.h          |    1 +
 drivers/net/fm10k/fm10k_rxtx_vec.c |   31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/drivers/net/fm10k/fm10k.h b/drivers/net/fm10k/fm10k.h
index 96b30a7..6c1c698 100644
--- a/drivers/net/fm10k/fm10k.h
+++ b/drivers/net/fm10k/fm10k.h
@@ -329,5 +329,6 @@ uint16_t fm10k_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 	uint16_t nb_pkts);
 
 int fm10k_rxq_vec_setup(struct fm10k_rx_queue *rxq);
+int fm10k_rx_vec_condition_check(struct rte_eth_dev *);
 uint16_t fm10k_recv_pkts_vec(void *, struct rte_mbuf **, uint16_t);
 #endif
diff --git a/drivers/net/fm10k/fm10k_rxtx_vec.c b/drivers/net/fm10k/fm10k_rxtx_vec.c
index 8c535f0..4ecb471 100644
--- a/drivers/net/fm10k/fm10k_rxtx_vec.c
+++ b/drivers/net/fm10k/fm10k_rxtx_vec.c
@@ -172,6 +172,37 @@ fm10k_desc_to_pktype_v(__m128i descs[4], struct rte_mbuf **rx_pkts)
 #endif
 
 int __attribute__((cold))
+fm10k_rx_vec_condition_check(struct rte_eth_dev *dev)
+{
+#ifndef RTE_LIBRTE_IEEE1588
+	struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+	struct rte_fdir_conf *fconf = &dev->data->dev_conf.fdir_conf;
+
+#ifndef RTE_FM10K_RX_OLFLAGS_ENABLE
+	/* whithout rx ol_flags, no VP flag report */
+	if (rxmode->hw_vlan_extend != 0)
+		return -1;
+#endif
+
+	/* no fdir support */
+	if (fconf->mode != RTE_FDIR_MODE_NONE)
+		return -1;
+
+	/* - no csum error report support
+	 * - no header split support
+	 */
+	if (rxmode->hw_ip_checksum == 1 ||
+	    rxmode->header_split == 1)
+		return -1;
+
+	return 0;
+#else
+	RTE_SET_USED(dev);
+	return -1;
+#endif
+}
+
+int __attribute__((cold))
 fm10k_rxq_vec_setup(struct fm10k_rx_queue *rxq)
 {
 	uintptr_t p;
-- 
1.7.7.6