#define rte_packet_prefetch(p) do {} while(0)
#endif
+/*
+ * Macro for VMDq feature for 1 GbE NIC.
+ */
+#define E1000_VMOLR_SIZE (8)
+
/*********************************************************************
*
* TX function
static void
igb_reset_tx_queue(struct igb_tx_queue *txq, struct rte_eth_dev *dev)
{
+ static const union e1000_adv_tx_desc zeroed_desc = { .read = {
+ .buffer_addr = 0}};
struct igb_tx_entry *txe = txq->sw_ring;
- uint32_t size;
uint16_t i, prev;
struct e1000_hw *hw;
hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- size = sizeof(union e1000_adv_tx_desc) * txq->nb_tx_desc;
/* Zero out HW ring memory */
- for (i = 0; i < size; i++) {
- ((volatile char *)txq->tx_ring)[i] = 0;
+ for (i = 0; i < txq->nb_tx_desc; i++) {
+ txq->tx_ring[i] = zeroed_desc;
}
/* Initialize ring entries */
static void
igb_reset_rx_queue(struct igb_rx_queue *rxq)
{
- unsigned size;
+ static const union e1000_adv_rx_desc zeroed_desc = { .read = {
+ .pkt_addr = 0}};
unsigned i;
/* Zero out HW ring memory */
- size = sizeof(union e1000_adv_rx_desc) * rxq->nb_rx_desc;
- for (i = 0; i < size; i++) {
- ((volatile char *)rxq->rx_ring)[i] = 0;
+ for (i = 0; i < rxq->nb_rx_desc; i++) {
+ rxq->rx_ring[i] = zeroed_desc;
}
rxq->rx_tail = 0;
E1000_WRITE_REG(hw, E1000_MRQC, mrqc);
}
+/*
+ * Check if the mac type support VMDq or not.
+ * Return 1 if it supports, otherwise, return 0.
+ */
+static int
+igb_is_vmdq_supported(const struct rte_eth_dev *dev)
+{
+ const struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ switch (hw->mac.type) {
+ case e1000_82576:
+ case e1000_82580:
+ case e1000_i350:
+ return 1;
+ case e1000_82540:
+ case e1000_82541:
+ case e1000_82542:
+ case e1000_82543:
+ case e1000_82544:
+ case e1000_82545:
+ case e1000_82546:
+ case e1000_82547:
+ case e1000_82571:
+ case e1000_82572:
+ case e1000_82573:
+ case e1000_82574:
+ case e1000_82583:
+ case e1000_i210:
+ case e1000_i211:
+ default:
+ PMD_INIT_LOG(ERR, "Cannot support VMDq feature\n");
+ return 0;
+ }
+}
+
+static int
+igb_vmdq_rx_hw_configure(struct rte_eth_dev *dev)
+{
+ struct rte_eth_vmdq_rx_conf *cfg;
+ struct e1000_hw *hw;
+ uint32_t mrqc, vt_ctl, vmolr, rctl;
+ int i;
+
+ PMD_INIT_LOG(DEBUG, ">>");
+ hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ cfg = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
+
+ /* Check if mac type can support VMDq, return value of 0 means NOT support */
+ if (igb_is_vmdq_supported(dev) == 0)
+ return -1;
+
+ igb_rss_disable(dev);
+
+ /* RCTL: eanble VLAN filter */
+ rctl = E1000_READ_REG(hw, E1000_RCTL);
+ rctl |= E1000_RCTL_VFE;
+ E1000_WRITE_REG(hw, E1000_RCTL, rctl);
+
+ /* MRQC: enable vmdq */
+ mrqc = E1000_READ_REG(hw, E1000_MRQC);
+ mrqc |= E1000_MRQC_ENABLE_VMDQ;
+ E1000_WRITE_REG(hw, E1000_MRQC, mrqc);
+
+ /* VTCTL: pool selection according to VLAN tag */
+ vt_ctl = E1000_READ_REG(hw, E1000_VT_CTL);
+ if (cfg->enable_default_pool)
+ vt_ctl |= (cfg->default_pool << E1000_VT_CTL_DEFAULT_POOL_SHIFT);
+ vt_ctl |= E1000_VT_CTL_IGNORE_MAC;
+ E1000_WRITE_REG(hw, E1000_VT_CTL, vt_ctl);
+
+ /*
+ * VMOLR: set STRVLAN as 1 if IGMAC in VTCTL is set as 1
+ * Both 82576 and 82580 support it
+ */
+ if (hw->mac.type != e1000_i350) {
+ for (i = 0; i < E1000_VMOLR_SIZE; i++) {
+ vmolr = E1000_READ_REG(hw, E1000_VMOLR(i));
+ vmolr |= E1000_VMOLR_STRVLAN;
+ E1000_WRITE_REG(hw, E1000_VMOLR(i), vmolr);
+ }
+ }
+
+ /* VFTA - enable all vlan filters */
+ for (i = 0; i < IGB_VFTA_SIZE; i++)
+ E1000_WRITE_REG(hw, (E1000_VFTA+(i*4)), UINT32_MAX);
+
+ /* VFRE: 8 pools enabling for rx, both 82576 and i350 support it */
+ if (hw->mac.type != e1000_82580)
+ E1000_WRITE_REG(hw, E1000_VFRE, E1000_MBVFICR_VFREQ_MASK);
+
+ /*
+ * RAH/RAL - allow pools to read specific mac addresses
+ * In this case, all pools should be able to read from mac addr 0
+ */
+ E1000_WRITE_REG(hw, E1000_RAH(0), (E1000_RAH_AV | UINT16_MAX));
+ E1000_WRITE_REG(hw, E1000_RAL(0), UINT32_MAX);
+
+ /* VLVF: set up filters for vlan tags as configured */
+ for (i = 0; i < cfg->nb_pool_maps; i++) {
+ /* set vlan id in VF register and set the valid bit */
+ E1000_WRITE_REG(hw, E1000_VLVF(i), (E1000_VLVF_VLANID_ENABLE | \
+ (cfg->pool_map[i].vlan_id & ETH_VLAN_ID_MAX) | \
+ ((cfg->pool_map[i].pools << E1000_VLVF_POOLSEL_SHIFT ) & \
+ E1000_VLVF_POOLSEL_MASK)));
+ }
+
+ E1000_WRITE_FLUSH(hw);
+
+ return 0;
+}
+
+
/*********************************************************************
*
* Enable receive unit.
* SRIOV inactive scheme
*/
if (dev->data->nb_rx_queues > 1)
- igb_rss_configure(dev);
+ switch (dev->data->dev_conf.rxmode.mq_mode) {
+ case ETH_MQ_RX_NONE:
+ /* if mq_mode not assign, we use rss mode.*/
+ case ETH_MQ_RX_RSS:
+ igb_rss_configure(dev);
+ break;
+ case ETH_MQ_RX_VMDQ_ONLY:
+ /*Configure general VMDQ only RX parameters*/
+ igb_vmdq_rx_hw_configure(dev);
+ break;
+ default:
+ igb_rss_disable(dev);
+ break;
+ }
else
igb_rss_disable(dev);
}
*/
igb_dev_mq_rx_configure(dev);
+ /* Update the rctl since igb_dev_mq_rx_configure may change its value */
+ rctl |= E1000_READ_REG(hw, E1000_RCTL);
+
/*
* Setup the Checksum Register.
* Receive Full-Packet Checksum Offload is mutually exclusive with RSS.
if (dev->data->dev_conf.rxmode.hw_strip_crc) {
rctl |= E1000_RCTL_SECRC; /* Strip Ethernet CRC. */
- /* set STRCRC bit in all queues for Powerville/Springville */
- if (hw->mac.type == e1000_i350 || hw->mac.type == e1000_i210) {
+ /* set STRCRC bit in all queues */
+ if (hw->mac.type == e1000_i350 ||
+ hw->mac.type == e1000_i210 ||
+ hw->mac.type == e1000_i211 ||
+ hw->mac.type == e1000_i354) {
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxq = dev->data->rx_queues[i];
uint32_t dvmolr = E1000_READ_REG(hw,
} else {
rctl &= ~E1000_RCTL_SECRC; /* Do not Strip Ethernet CRC. */
- /* clear STRCRC bit in all queues for Powerville/Springville */
- if (hw->mac.type == e1000_i350 || hw->mac.type == e1000_i210) {
+ /* clear STRCRC bit in all queues */
+ if (hw->mac.type == e1000_i350 ||
+ hw->mac.type == e1000_i210 ||
+ hw->mac.type == e1000_i211 ||
+ hw->mac.type == e1000_i354) {
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxq = dev->data->rx_queues[i];
uint32_t dvmolr = E1000_READ_REG(hw,
(hw->mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
/* Make sure VLAN Filters are off. */
- rctl &= ~E1000_RCTL_VFE;
+ if (dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_VMDQ_ONLY)
+ rctl &= ~E1000_RCTL_VFE;
/* Don't store bad packets. */
rctl &= ~E1000_RCTL_SBP;