[dpdk-dev] [PATCH v3 07/16] fm10k: add func to do Vector RX condition check

[Chen Jing D(Mark)]

From: "Chen Jing D(Mark)" <jing.d.c...@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 at 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 f04ba2c..1502ae3 100644
--- a/drivers/net/fm10k/fm10k.h
+++ b/drivers/net/fm10k/fm10k.h
@@ -327,5 +327,6 @@ 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 6127cf9..2e6f1a2 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