/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
* are met:
*
- * * Redistributions of source code must retain the above copyright
+ * * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
* distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
*/
#include <sys/queue.h>
volatile union e1000_adv_rx_desc *rx_ring; /**< RX ring virtual address. */
uint64_t rx_ring_phys_addr; /**< RX ring DMA address. */
volatile uint32_t *rdt_reg_addr; /**< RDT register address. */
+ volatile uint32_t *rdh_reg_addr; /**< RDH register address. */
struct igb_rx_entry *sw_ring; /**< address of RX software ring. */
struct rte_mbuf *pkt_first_seg; /**< First segment of current packet. */
struct rte_mbuf *pkt_last_seg; /**< Last segment of current packet. */
uint16_t nb_rx_hold; /**< number of held free RX desc. */
uint16_t rx_free_thresh; /**< max free RX desc to hold. */
uint16_t queue_id; /**< RX queue index. */
+ uint16_t reg_idx; /**< RX queue register index. */
uint8_t port_id; /**< Device port identifier. */
uint8_t pthresh; /**< Prefetch threshold register. */
uint8_t hthresh; /**< Host threshold register. */
uint16_t tx_head;
/**< Index of first used TX descriptor. */
uint16_t queue_id; /**< TX queue index. */
+ uint16_t reg_idx; /**< TX queue register index. */
uint8_t port_id; /**< Device port identifier. */
uint8_t pthresh; /**< Prefetch threshold register. */
uint8_t hthresh; /**< Host threshold register. */
#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 */
txq->hthresh = tx_conf->tx_thresh.hthresh;
txq->wthresh = tx_conf->tx_thresh.wthresh;
txq->queue_id = queue_idx;
+ txq->reg_idx = (uint16_t)((RTE_ETH_DEV_SRIOV(dev).active == 0) ?
+ queue_idx : RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx + queue_idx);
txq->port_id = dev->data->port_id;
- txq->tdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_TDT(queue_idx));
+ txq->tdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_TDT(txq->reg_idx));
txq->tx_ring_phys_addr = (uint64_t) tz->phys_addr;
txq->tx_ring = (union e1000_adv_tx_desc *) tz->addr;
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;
rxq->drop_en = rx_conf->rx_drop_en;
rxq->rx_free_thresh = rx_conf->rx_free_thresh;
rxq->queue_id = queue_idx;
+ rxq->reg_idx = (uint16_t)((RTE_ETH_DEV_SRIOV(dev).active == 0) ?
+ queue_idx : RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx + queue_idx);
rxq->port_id = dev->data->port_id;
rxq->crc_len = (uint8_t) ((dev->data->dev_conf.rxmode.hw_strip_crc) ? 0 :
ETHER_CRC_LEN);
igb_rx_queue_release(rxq);
return (-ENOMEM);
}
- rxq->rdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDT(queue_idx));
+ rxq->rdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDT(rxq->reg_idx));
+ rxq->rdh_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDH(rxq->reg_idx));
rxq->rx_ring_phys_addr = (uint64_t) rz->phys_addr;
rxq->rx_ring = (union e1000_adv_rx_desc *) rz->addr;
return 0;
}
+uint32_t
+eth_igb_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+#define IGB_RXQ_SCAN_INTERVAL 4
+ volatile union e1000_adv_rx_desc *rxdp;
+ struct igb_rx_queue *rxq;
+ uint32_t desc = 0;
+
+ if (rx_queue_id >= dev->data->nb_rx_queues) {
+ PMD_RX_LOG(ERR, "Invalid RX queue id=%d\n", rx_queue_id);
+ return 0;
+ }
+
+ rxq = dev->data->rx_queues[rx_queue_id];
+ rxdp = &(rxq->rx_ring[rxq->rx_tail]);
+
+ while ((desc < rxq->nb_rx_desc) &&
+ (rxdp->wb.upper.status_error & E1000_RXD_STAT_DD)) {
+ desc += IGB_RXQ_SCAN_INTERVAL;
+ rxdp += IGB_RXQ_SCAN_INTERVAL;
+ if (rxq->rx_tail + desc >= rxq->nb_rx_desc)
+ rxdp = &(rxq->rx_ring[rxq->rx_tail +
+ desc - rxq->nb_rx_desc]);
+ }
+
+ return 0;
+}
+
+int
+eth_igb_rx_descriptor_done(void *rx_queue, uint16_t offset)
+{
+ volatile union e1000_adv_rx_desc *rxdp;
+ struct igb_rx_queue *rxq = rx_queue;
+ uint32_t desc;
+
+ if (unlikely(offset >= rxq->nb_rx_desc))
+ return 0;
+ desc = rxq->rx_tail + offset;
+ if (desc >= rxq->nb_rx_desc)
+ desc -= rxq->nb_rx_desc;
+
+ rxdp = &rxq->rx_ring[desc];
+ return !!(rxdp->wb.upper.status_error & E1000_RXD_STAT_DD);
+}
+
void
igb_dev_clear_queues(struct rte_eth_dev *dev)
{
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.
return 0;
}
+#define E1000_MRQC_DEF_Q_SHIFT (3)
+static int
+igb_dev_mq_rx_configure(struct rte_eth_dev *dev)
+{
+ struct e1000_hw *hw =
+ E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint32_t mrqc;
+
+ if (RTE_ETH_DEV_SRIOV(dev).active == ETH_8_POOLS) {
+ /*
+ * SRIOV active scheme
+ * FIXME if support RSS together with VMDq & SRIOV
+ */
+ mrqc = E1000_MRQC_ENABLE_VMDQ;
+ /* 011b Def_Q ignore, according to VT_CTL.DEF_PL */
+ mrqc |= 0x3 << E1000_MRQC_DEF_Q_SHIFT;
+ E1000_WRITE_REG(hw, E1000_MRQC, mrqc);
+ } else if(RTE_ETH_DEV_SRIOV(dev).active == 0) {
+ /*
+ * SRIOV inactive scheme
+ */
+ if (dev->data->nb_rx_queues > 1)
+ 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);
+ }
+
+ return 0;
+}
+
int
eth_igb_rx_init(struct rte_eth_dev *dev)
{
if (dev->data->dev_conf.rxmode.jumbo_frame == 1) {
rctl |= E1000_RCTL_LPE;
- /* Set maximum packet length. */
+ /*
+ * Set maximum packet length by default, and might be updated
+ * together with enabling/disabling dual VLAN.
+ */
E1000_WRITE_REG(hw, E1000_RLPML,
- dev->data->dev_conf.rxmode.max_rx_pkt_len);
+ dev->data->dev_conf.rxmode.max_rx_pkt_len +
+ VLAN_TAG_SIZE);
} else
rctl &= ~E1000_RCTL_LPE;
0 : ETHER_CRC_LEN);
bus_addr = rxq->rx_ring_phys_addr;
- E1000_WRITE_REG(hw, E1000_RDLEN(i),
+ E1000_WRITE_REG(hw, E1000_RDLEN(rxq->reg_idx),
rxq->nb_rx_desc *
sizeof(union e1000_adv_rx_desc));
- E1000_WRITE_REG(hw, E1000_RDBAH(i),
+ E1000_WRITE_REG(hw, E1000_RDBAH(rxq->reg_idx),
(uint32_t)(bus_addr >> 32));
- E1000_WRITE_REG(hw, E1000_RDBAL(i), (uint32_t)bus_addr);
+ E1000_WRITE_REG(hw, E1000_RDBAL(rxq->reg_idx), (uint32_t)bus_addr);
srrctl = E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
E1000_SRRCTL_BSIZEPKT_MASK) <<
E1000_SRRCTL_BSIZEPKT_SHIFT);
- if (dev->data->dev_conf.rxmode.max_rx_pkt_len + VLAN_TAG_SIZE
- > buf_size){
+ /* It adds dual VLAN length for supporting dual VLAN */
+ if ((dev->data->dev_conf.rxmode.max_rx_pkt_len +
+ 2 * VLAN_TAG_SIZE) > buf_size){
dev->rx_pkt_burst = eth_igb_recv_scattered_pkts;
dev->data->scattered_rx = 1;
}
if (rxq->drop_en)
srrctl |= E1000_SRRCTL_DROP_EN;
- E1000_WRITE_REG(hw, E1000_SRRCTL(i), srrctl);
+ E1000_WRITE_REG(hw, E1000_SRRCTL(rxq->reg_idx), srrctl);
/* Enable this RX queue. */
- rxdctl = E1000_READ_REG(hw, E1000_RXDCTL(i));
+ rxdctl = E1000_READ_REG(hw, E1000_RXDCTL(rxq->reg_idx));
rxdctl |= E1000_RXDCTL_QUEUE_ENABLE;
rxdctl &= 0xFFF00000;
rxdctl |= (rxq->pthresh & 0x1F);
rxdctl |= ((rxq->hthresh & 0x1F) << 8);
rxdctl |= ((rxq->wthresh & 0x1F) << 16);
- E1000_WRITE_REG(hw, E1000_RXDCTL(i), rxdctl);
+ E1000_WRITE_REG(hw, E1000_RXDCTL(rxq->reg_idx), rxdctl);
}
/*
/*
* Configure RSS if device configured with multiple RX queues.
*/
- if (dev->data->nb_rx_queues > 1)
- igb_rss_configure(dev);
- 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.
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,
- E1000_DVMOLR(i));
+ E1000_DVMOLR(rxq->reg_idx));
dvmolr |= E1000_DVMOLR_STRCRC;
- E1000_WRITE_REG(hw, E1000_DVMOLR(i), dvmolr);
+ E1000_WRITE_REG(hw, E1000_DVMOLR(rxq->reg_idx), dvmolr);
}
}
} 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,
- E1000_DVMOLR(i));
+ E1000_DVMOLR(rxq->reg_idx));
dvmolr &= ~E1000_DVMOLR_STRCRC;
- E1000_WRITE_REG(hw, E1000_DVMOLR(i), dvmolr);
+ E1000_WRITE_REG(hw, E1000_DVMOLR(rxq->reg_idx), dvmolr);
}
}
}
(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;
*/
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxq = dev->data->rx_queues[i];
- E1000_WRITE_REG(hw, E1000_RDH(i), 0);
- E1000_WRITE_REG(hw, E1000_RDT(i), rxq->nb_rx_desc - 1);
+ E1000_WRITE_REG(hw, E1000_RDH(rxq->reg_idx), 0);
+ E1000_WRITE_REG(hw, E1000_RDT(rxq->reg_idx), rxq->nb_rx_desc - 1);
}
return 0;
txq = dev->data->tx_queues[i];
bus_addr = txq->tx_ring_phys_addr;
- E1000_WRITE_REG(hw, E1000_TDLEN(i),
+ E1000_WRITE_REG(hw, E1000_TDLEN(txq->reg_idx),
txq->nb_tx_desc *
sizeof(union e1000_adv_tx_desc));
- E1000_WRITE_REG(hw, E1000_TDBAH(i),
+ E1000_WRITE_REG(hw, E1000_TDBAH(txq->reg_idx),
(uint32_t)(bus_addr >> 32));
- E1000_WRITE_REG(hw, E1000_TDBAL(i), (uint32_t)bus_addr);
+ E1000_WRITE_REG(hw, E1000_TDBAL(txq->reg_idx), (uint32_t)bus_addr);
/* Setup the HW Tx Head and Tail descriptor pointers. */
- E1000_WRITE_REG(hw, E1000_TDT(i), 0);
- E1000_WRITE_REG(hw, E1000_TDH(i), 0);
+ E1000_WRITE_REG(hw, E1000_TDT(txq->reg_idx), 0);
+ E1000_WRITE_REG(hw, E1000_TDH(txq->reg_idx), 0);
/* Setup Transmit threshold registers. */
- txdctl = E1000_READ_REG(hw, E1000_TXDCTL(i));
+ txdctl = E1000_READ_REG(hw, E1000_TXDCTL(txq->reg_idx));
txdctl |= txq->pthresh & 0x1F;
txdctl |= ((txq->hthresh & 0x1F) << 8);
txdctl |= ((txq->wthresh & 0x1F) << 16);
txdctl |= E1000_TXDCTL_QUEUE_ENABLE;
- E1000_WRITE_REG(hw, E1000_TXDCTL(i), txdctl);
+ E1000_WRITE_REG(hw, E1000_TXDCTL(txq->reg_idx), txdctl);
}
/* Program the Transmit Control Register. */
E1000_SRRCTL_BSIZEPKT_MASK) <<
E1000_SRRCTL_BSIZEPKT_SHIFT);
- if (dev->data->dev_conf.rxmode.max_rx_pkt_len > buf_size){
+ /* It adds dual VLAN length for supporting dual VLAN */
+ if ((dev->data->dev_conf.rxmode.max_rx_pkt_len +
+ 2 * VLAN_TAG_SIZE) > buf_size){
dev->rx_pkt_burst = eth_igb_recv_scattered_pkts;
dev->data->scattered_rx = 1;
}
git.droids-corp.org / dpdk.git / blobdiff