net/vmxnet3: add v4 boot and guest UDP RSS config

[dpdk.git] / drivers / net / vmxnet3 / vmxnet3_rxtx.c

diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c
index d30914a..4867a64 100644 (file)
--- a/drivers/net/vmxnet3/vmxnet3_rxtx.c
+++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c
@@ -1291,6 +1291,46 @@ static uint8_t rss_intel_key[40] = {
        0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA,
 };
 
+/*
+ * Additional RSS configurations based on vmxnet v4+ APIs
+ */
+int
+vmxnet3_v4_rss_configure(struct rte_eth_dev *dev)
+{
+       struct vmxnet3_hw *hw = dev->data->dev_private;
+       Vmxnet3_DriverShared *shared = hw->shared;
+       Vmxnet3_CmdInfo *cmdInfo = &shared->cu.cmdInfo;
+       struct rte_eth_rss_conf *port_rss_conf;
+       uint64_t rss_hf;
+       uint32_t ret;
+
+       PMD_INIT_FUNC_TRACE();
+
+       cmdInfo->setRSSFields = 0;
+       port_rss_conf = &dev->data->dev_conf.rx_adv_conf.rss_conf;
+       rss_hf = port_rss_conf->rss_hf &
+               (VMXNET3_V4_RSS_MASK | VMXNET3_RSS_OFFLOAD_ALL);
+
+       if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
+               cmdInfo->setRSSFields |= VMXNET3_RSS_FIELDS_TCPIP4;
+       if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
+               cmdInfo->setRSSFields |= VMXNET3_RSS_FIELDS_TCPIP6;
+       if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
+               cmdInfo->setRSSFields |= VMXNET3_RSS_FIELDS_UDPIP4;
+       if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
+               cmdInfo->setRSSFields |= VMXNET3_RSS_FIELDS_UDPIP6;
+
+       VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
+                              VMXNET3_CMD_SET_RSS_FIELDS);
+       ret = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD);
+
+       if (ret != VMXNET3_SUCCESS) {
+               PMD_DRV_LOG(ERR, "Set RSS fields (v4) failed: %d", ret);
+       }
+
+       return ret;
+}
+
 /*
  * Configure RSS feature
  */