static int txgbevf_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
+static int txgbevf_dev_configure(struct rte_eth_dev *dev);
static int txgbevf_dev_link_update(struct rte_eth_dev *dev,
int wait_to_complete);
static int txgbevf_dev_close(struct rte_eth_dev *dev);
PMD_INIT_FUNC_TRACE();
eth_dev->dev_ops = &txgbevf_eth_dev_ops;
+ eth_dev->rx_descriptor_status = txgbe_dev_rx_descriptor_status;
+ eth_dev->tx_descriptor_status = txgbe_dev_tx_descriptor_status;
+ eth_dev->rx_pkt_burst = &txgbe_recv_pkts;
+ eth_dev->tx_pkt_burst = &txgbe_xmit_pkts;
/* for secondary processes, we don't initialise any further as primary
* has already done this work. Only check we don't need a different
intr->mask_misc = 0;
}
+static int
+txgbevf_dev_configure(struct rte_eth_dev *dev)
+{
+ struct rte_eth_conf *conf = &dev->data->dev_conf;
+ struct txgbe_adapter *adapter = TXGBE_DEV_ADAPTER(dev);
+
+ PMD_INIT_LOG(DEBUG, "Configured Virtual Function port id: %d",
+ dev->data->port_id);
+
+ if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
+ dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
+
+ /*
+ * VF has no ability to enable/disable HW CRC
+ * Keep the persistent behavior the same as Host PF
+ */
+#ifndef RTE_LIBRTE_TXGBE_PF_DISABLE_STRIP_CRC
+ if (conf->rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC) {
+ PMD_INIT_LOG(NOTICE, "VF can't disable HW CRC Strip");
+ conf->rxmode.offloads &= ~DEV_RX_OFFLOAD_KEEP_CRC;
+ }
+#else
+ if (!(conf->rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)) {
+ PMD_INIT_LOG(NOTICE, "VF can't enable HW CRC Strip");
+ conf->rxmode.offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
+ }
+#endif
+
+ /*
+ * Initialize to TRUE. If any of Rx queues doesn't meet the bulk
+ * allocation or vector Rx preconditions we will reset it.
+ */
+ adapter->rx_bulk_alloc_allowed = true;
+
+ return 0;
+}
+
static int
txgbevf_dev_close(struct rte_eth_dev *dev)
{
**/
txgbevf_remove_mac_addr(dev, 0);
+ dev->rx_pkt_burst = NULL;
+ dev->tx_pkt_burst = NULL;
+
/* Disable the interrupts for VF */
txgbevf_intr_disable(dev);
* operation have been implemented
*/
static const struct eth_dev_ops txgbevf_eth_dev_ops = {
+ .dev_configure = txgbevf_dev_configure,
.link_update = txgbevf_dev_link_update,
.dev_infos_get = txgbevf_dev_info_get,
.rx_queue_intr_enable = txgbevf_dev_rx_queue_intr_enable,
struct txgbe_hw *hw;
hw = TXGBE_DEV_HW(dev);
-
- wr32m(hw, TXGBE_RACTL, TXGBE_RACTL_RSSENA, 0);
+ if (hw->mac.type == txgbe_mac_raptor_vf)
+ wr32m(hw, TXGBE_VFPLCFG, TXGBE_VFPLCFG_RSSENA, 0);
+ else
+ wr32m(hw, TXGBE_RACTL, TXGBE_RACTL_RSSENA, 0);
}
int
qinfo->conf.tx_deferred_start = txq->tx_deferred_start;
}
+/*
+ * [VF] Initializes Receive Unit.
+ */
+int __rte_cold
+txgbevf_dev_rx_init(struct rte_eth_dev *dev)
+{
+ struct txgbe_hw *hw;
+ struct txgbe_rx_queue *rxq;
+ struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+ uint64_t bus_addr;
+ uint32_t srrctl, psrtype;
+ uint16_t buf_size;
+ uint16_t i;
+ int ret;
+
+ PMD_INIT_FUNC_TRACE();
+ hw = TXGBE_DEV_HW(dev);
+
+ if (rte_is_power_of_2(dev->data->nb_rx_queues) == 0) {
+ PMD_INIT_LOG(ERR, "The number of Rx queue invalid, "
+ "it should be power of 2");
+ return -1;
+ }
+
+ if (dev->data->nb_rx_queues > hw->mac.max_rx_queues) {
+ PMD_INIT_LOG(ERR, "The number of Rx queue invalid, "
+ "it should be equal to or less than %d",
+ hw->mac.max_rx_queues);
+ return -1;
+ }
+
+ /*
+ * When the VF driver issues a TXGBE_VF_RESET request, the PF driver
+ * disables the VF receipt of packets if the PF MTU is > 1500.
+ * This is done to deal with limitations that imposes
+ * the PF and all VFs to share the same MTU.
+ * Then, the PF driver enables again the VF receipt of packet when
+ * the VF driver issues a TXGBE_VF_SET_LPE request.
+ * In the meantime, the VF device cannot be used, even if the VF driver
+ * and the Guest VM network stack are ready to accept packets with a
+ * size up to the PF MTU.
+ * As a work-around to this PF behaviour, force the call to
+ * txgbevf_rlpml_set_vf even if jumbo frames are not used. This way,
+ * VF packets received can work in all cases.
+ */
+ if (txgbevf_rlpml_set_vf(hw,
+ (uint16_t)dev->data->dev_conf.rxmode.max_rx_pkt_len)) {
+ PMD_INIT_LOG(ERR, "Set max packet length to %d failed.",
+ dev->data->dev_conf.rxmode.max_rx_pkt_len);
+ return -EINVAL;
+ }
+
+ /*
+ * Assume no header split and no VLAN strip support
+ * on any Rx queue first .
+ */
+ rxmode->offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
+
+ /* Set PSR type for VF RSS according to max Rx queue */
+ psrtype = TXGBE_VFPLCFG_PSRL4HDR |
+ TXGBE_VFPLCFG_PSRL4HDR |
+ TXGBE_VFPLCFG_PSRL2HDR |
+ TXGBE_VFPLCFG_PSRTUNHDR |
+ TXGBE_VFPLCFG_PSRTUNMAC;
+ wr32(hw, TXGBE_VFPLCFG, TXGBE_VFPLCFG_PSR(psrtype));
+
+ /* Setup RX queues */
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ rxq = dev->data->rx_queues[i];
+
+ /* Allocate buffers for descriptor rings */
+ ret = txgbe_alloc_rx_queue_mbufs(rxq);
+ if (ret)
+ return ret;
+
+ /* Setup the Base and Length of the Rx Descriptor Rings */
+ bus_addr = rxq->rx_ring_phys_addr;
+
+ wr32(hw, TXGBE_RXBAL(i),
+ (uint32_t)(bus_addr & BIT_MASK32));
+ wr32(hw, TXGBE_RXBAH(i),
+ (uint32_t)(bus_addr >> 32));
+ wr32(hw, TXGBE_RXRP(i), 0);
+ wr32(hw, TXGBE_RXWP(i), 0);
+
+ /* Configure the RXCFG register */
+ srrctl = TXGBE_RXCFG_RNGLEN(rxq->nb_rx_desc);
+
+ /* Set if packets are dropped when no descriptors available */
+ if (rxq->drop_en)
+ srrctl |= TXGBE_RXCFG_DROP;
+
+ /*
+ * Configure the RX buffer size in the PKTLEN field of
+ * the RXCFG register of the queue.
+ * The value is in 1 KB resolution. Valid values can be from
+ * 1 KB to 16 KB.
+ */
+ buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mb_pool) -
+ RTE_PKTMBUF_HEADROOM);
+ buf_size = ROUND_UP(buf_size, 1 << 10);
+ srrctl |= TXGBE_RXCFG_PKTLEN(buf_size);
+
+ /*
+ * VF modification to write virtual function RXCFG register
+ */
+ wr32(hw, TXGBE_RXCFG(i), srrctl);
+
+ if (rxmode->offloads & DEV_RX_OFFLOAD_SCATTER ||
+ /* It adds dual VLAN length for supporting dual VLAN */
+ (rxmode->max_rx_pkt_len +
+ 2 * TXGBE_VLAN_TAG_SIZE) > buf_size) {
+ if (!dev->data->scattered_rx)
+ PMD_INIT_LOG(DEBUG, "forcing scatter mode");
+ dev->data->scattered_rx = 1;
+ }
+
+ if (rxq->offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
+ rxmode->offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
+ }
+
+ /*
+ * Device configured with multiple RX queues.
+ */
+ txgbe_dev_mq_rx_configure(dev);
+
+ txgbe_set_rx_function(dev);
+
+ return 0;
+}
+
+/*
+ * [VF] Initializes Transmit Unit.
+ */
+void __rte_cold
+txgbevf_dev_tx_init(struct rte_eth_dev *dev)
+{
+ struct txgbe_hw *hw;
+ struct txgbe_tx_queue *txq;
+ uint64_t bus_addr;
+ uint16_t i;
+
+ PMD_INIT_FUNC_TRACE();
+ hw = TXGBE_DEV_HW(dev);
+
+ /* Setup the Base and Length of the Tx Descriptor Rings */
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ txq = dev->data->tx_queues[i];
+ bus_addr = txq->tx_ring_phys_addr;
+ wr32(hw, TXGBE_TXBAL(i),
+ (uint32_t)(bus_addr & BIT_MASK32));
+ wr32(hw, TXGBE_TXBAH(i),
+ (uint32_t)(bus_addr >> 32));
+ wr32m(hw, TXGBE_TXCFG(i), TXGBE_TXCFG_BUFLEN_MASK,
+ TXGBE_TXCFG_BUFLEN(txq->nb_tx_desc));
+ /* Setup the HW Tx Head and TX Tail descriptor pointers */
+ wr32(hw, TXGBE_TXRP(i), 0);
+ wr32(hw, TXGBE_TXWP(i), 0);
+ }
+}
+
int
txgbe_rss_conf_init(struct txgbe_rte_flow_rss_conf *out,
const struct rte_flow_action_rss *in)
git.droids-corp.org / dpdk.git / commitdiff