net/hns3: support SVE Rx

[dpdk.git] / drivers / net / hns3 / hns3_rxtx.c

diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
index 60f110c..e1ff173 100644 (file)
--- a/drivers/net/hns3/hns3_rxtx.c
+++ b/drivers/net/hns3/hns3_rxtx.c
@@ -23,6 +23,9 @@
 #include <rte_net.h>
 #include <rte_malloc.h>
 #include <rte_pci.h>
+#if defined(RTE_ARCH_ARM64) && defined(CC_SVE_SUPPORT)
+#include <rte_cpuflags.h>
+#endif
 
 #include "hns3_ethdev.h"
 #include "hns3_rxtx.h"
@@ -1841,7 +1844,8 @@ hns3_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 
        if (dev->rx_pkt_burst == hns3_recv_pkts ||
            dev->rx_pkt_burst == hns3_recv_scattered_pkts ||
-           dev->rx_pkt_burst == hns3_recv_pkts_vec)
+           dev->rx_pkt_burst == hns3_recv_pkts_vec ||
+           dev->rx_pkt_burst == hns3_recv_pkts_vec_sve)
                return ptypes;
 
        return NULL;
@@ -2347,6 +2351,14 @@ hns3_recv_pkts_vec(__rte_unused void *tx_queue,
        return 0;
 }
 
+uint16_t __rte_weak
+hns3_recv_pkts_vec_sve(__rte_unused void *tx_queue,
+                      __rte_unused struct rte_mbuf **tx_pkts,
+                      __rte_unused uint16_t nb_pkts)
+{
+       return 0;
+}
+
 int
 hns3_rx_burst_mode_get(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id,
                       struct rte_eth_burst_mode *mode)
@@ -2358,6 +2370,7 @@ hns3_rx_burst_mode_get(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id,
                { hns3_recv_pkts,               "Scalar" },
                { hns3_recv_scattered_pkts,     "Scalar Scattered" },
                { hns3_recv_pkts_vec,           "Vector Neon" },
+               { hns3_recv_pkts_vec_sve,       "Vector Sve" },
        };
 
        eth_rx_burst_t pkt_burst = dev->rx_pkt_burst;
@@ -2376,6 +2389,16 @@ hns3_rx_burst_mode_get(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id,
        return ret;
 }
 
+static bool
+hns3_check_sve_support(void)
+{
+#if defined(RTE_ARCH_ARM64) && defined(CC_SVE_SUPPORT)
+       if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SVE))
+               return true;
+#endif
+       return false;
+}
+
 static eth_rx_burst_t
 hns3_get_rx_function(struct rte_eth_dev *dev)
 {
@@ -2383,7 +2406,8 @@ hns3_get_rx_function(struct rte_eth_dev *dev)
        uint64_t offloads = dev->data->dev_conf.rxmode.offloads;
 
        if (hns->rx_vec_allowed && hns3_rx_check_vec_support(dev) == 0)
-               return hns3_recv_pkts_vec;
+               return hns3_check_sve_support() ? hns3_recv_pkts_vec_sve :
+                      hns3_recv_pkts_vec;
 
        if (hns->rx_simple_allowed && !dev->data->scattered_rx &&
            (offloads & DEV_RX_OFFLOAD_TCP_LRO) == 0)