/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
* Copyright 2014 6WIND S.A.
* All rights reserved.
*
#include <rte_string_fns.h>
#include <rte_errno.h>
#include <rte_ip.h>
+#include <rte_net.h>
#include "ixgbe_logs.h"
#include "base/ixgbe_api.h"
#include "base/ixgbe_common.h"
#include "ixgbe_rxtx.h"
+#ifdef RTE_LIBRTE_IEEE1588
+#define IXGBE_TX_IEEE1588_TMST PKT_TX_IEEE1588_TMST
+#else
+#define IXGBE_TX_IEEE1588_TMST 0
+#endif
/* Bit Mask to indicate what bits required for building TX context */
#define IXGBE_TX_OFFLOAD_MASK ( \
PKT_TX_VLAN_PKT | \
PKT_TX_IP_CKSUM | \
PKT_TX_L4_MASK | \
PKT_TX_TCP_SEG | \
- PKT_TX_OUTER_IP_CKSUM)
+ PKT_TX_MACSEC | \
+ PKT_TX_OUTER_IP_CKSUM | \
+ IXGBE_TX_IEEE1588_TMST)
+
+#define IXGBE_TX_OFFLOAD_NOTSUP_MASK \
+ (PKT_TX_OFFLOAD_MASK ^ IXGBE_TX_OFFLOAD_MASK)
#if 1
#define RTE_PMD_USE_PREFETCH
#define rte_ixgbe_prefetch(p) do {} while (0)
#endif
+#ifdef RTE_IXGBE_INC_VECTOR
+uint16_t ixgbe_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
+#endif
+
/*********************************************************************
*
* TX functions
for (i = 0; i < txq->tx_rs_thresh; ++i, ++txep) {
/* free buffers one at a time */
- m = __rte_pktmbuf_prefree_seg(txep->mbuf);
+ m = rte_pktmbuf_prefree_seg(txep->mbuf);
txep->mbuf = NULL;
if (unlikely(m == NULL))
/* update tail pointer */
rte_wmb();
- IXGBE_PCI_REG_WRITE(txq->tdt_reg_addr, txq->tx_tail);
+ IXGBE_PCI_REG_WRITE_RELAXED(txq->tdt_reg_addr, txq->tx_tail);
return nb_pkts;
}
return nb_tx;
}
+#ifdef RTE_IXGBE_INC_VECTOR
+static uint16_t
+ixgbe_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ uint16_t nb_tx = 0;
+ struct ixgbe_tx_queue *txq = (struct ixgbe_tx_queue *)tx_queue;
+
+ while (nb_pkts) {
+ uint16_t ret, num;
+
+ num = (uint16_t)RTE_MIN(nb_pkts, txq->tx_rs_thresh);
+ ret = ixgbe_xmit_fixed_burst_vec(tx_queue, &tx_pkts[nb_tx],
+ num);
+ nb_tx += ret;
+ nb_pkts -= ret;
+ if (ret < num)
+ break;
+ }
+
+ return nb_tx;
+}
+#endif
+
static inline void
ixgbe_set_xmit_ctx(struct ixgbe_tx_queue *txq,
volatile struct ixgbe_adv_tx_context_desc *ctx_txd,
cmdtype |= IXGBE_ADVTXD_DCMD_TSE;
if (ol_flags & PKT_TX_OUTER_IP_CKSUM)
cmdtype |= (1 << IXGBE_ADVTXD_OUTERIPCS_SHIFT);
+ if (ol_flags & PKT_TX_MACSEC)
+ cmdtype |= IXGBE_ADVTXD_MAC_LINKSEC;
return cmdtype;
}
PMD_TX_LOG(DEBUG, "port_id=%u queue_id=%u tx_tail=%u nb_tx=%u",
(unsigned) txq->port_id, (unsigned) txq->queue_id,
(unsigned) tx_id, (unsigned) nb_tx);
- IXGBE_PCI_REG_WRITE(txq->tdt_reg_addr, tx_id);
+ IXGBE_PCI_REG_WRITE_RELAXED(txq->tdt_reg_addr, tx_id);
txq->tx_tail = tx_id;
return nb_tx;
}
+/*********************************************************************
+ *
+ * TX prep functions
+ *
+ **********************************************************************/
+uint16_t
+ixgbe_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
+{
+ int i, ret;
+ uint64_t ol_flags;
+ struct rte_mbuf *m;
+ struct ixgbe_tx_queue *txq = (struct ixgbe_tx_queue *)tx_queue;
+
+ for (i = 0; i < nb_pkts; i++) {
+ m = tx_pkts[i];
+ ol_flags = m->ol_flags;
+
+ /**
+ * Check if packet meets requirements for number of segments
+ *
+ * NOTE: for ixgbe it's always (40 - WTHRESH) for both TSO and
+ * non-TSO
+ */
+
+ if (m->nb_segs > IXGBE_TX_MAX_SEG - txq->wthresh) {
+ rte_errno = -EINVAL;
+ return i;
+ }
+
+ if (ol_flags & IXGBE_TX_OFFLOAD_NOTSUP_MASK) {
+ rte_errno = -ENOTSUP;
+ return i;
+ }
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ ret = rte_validate_tx_offload(m);
+ if (ret != 0) {
+ rte_errno = ret;
+ return i;
+ }
+#endif
+ ret = rte_net_intel_cksum_prepare(m);
+ if (ret != 0) {
+ rte_errno = ret;
+ return i;
+ }
+ }
+
+ return i;
+}
+
/*********************************************************************
*
* RX functions
for (i = 0; i < RTE_PMD_IXGBE_RX_MAX_BURST;
i += LOOK_AHEAD, rxdp += LOOK_AHEAD, rxep += LOOK_AHEAD) {
/* Read desc statuses backwards to avoid race condition */
- for (j = LOOK_AHEAD-1; j >= 0; --j)
+ for (j = 0; j < LOOK_AHEAD; j++)
s[j] = rte_le_to_cpu_32(rxdp[j].wb.upper.status_error);
- for (j = LOOK_AHEAD - 1; j >= 0; --j)
- pkt_info[j] = rte_le_to_cpu_32(rxdp[j].wb.lower.
- lo_dword.data);
+ rte_smp_rmb();
/* Compute how many status bits were set */
- nb_dd = 0;
- for (j = 0; j < LOOK_AHEAD; ++j)
- nb_dd += s[j] & IXGBE_RXDADV_STAT_DD;
+ for (nb_dd = 0; nb_dd < LOOK_AHEAD &&
+ (s[nb_dd] & IXGBE_RXDADV_STAT_DD); nb_dd++)
+ ;
+
+ for (j = 0; j < nb_dd; j++)
+ pkt_info[j] = rte_le_to_cpu_32(rxdp[j].wb.lower.
+ lo_dword.data);
nb_rx += nb_dd;
/* update tail pointer */
rte_wmb();
- IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr, cur_free_trigger);
+ IXGBE_PCI_REG_WRITE_RELAXED(rxq->rdt_reg_addr,
+ cur_free_trigger);
}
if (rxq->rx_tail >= rxq->nb_rx_desc)
if (!ixgbe_rx_alloc_bufs(rxq, false)) {
rte_wmb();
- IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr,
- next_rdt);
+ IXGBE_PCI_REG_WRITE_RELAXED(rxq->rdt_reg_addr,
+ next_rdt);
nb_hold -= rxq->rx_free_thresh;
} else {
PMD_RX_LOG(DEBUG, "RX bulk alloc failed "
rxq->port_id, rxq->queue_id, rx_id, nb_hold, nb_rx);
rte_wmb();
- IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr, prev_id);
+ IXGBE_PCI_REG_WRITE_RELAXED(rxq->rdt_reg_addr, prev_id);
nb_hold = 0;
}
if (((txq->txq_flags & IXGBE_SIMPLE_FLAGS) == IXGBE_SIMPLE_FLAGS)
&& (txq->tx_rs_thresh >= RTE_PMD_IXGBE_TX_MAX_BURST)) {
PMD_INIT_LOG(DEBUG, "Using simple tx code path");
+ dev->tx_pkt_prepare = NULL;
#ifdef RTE_IXGBE_INC_VECTOR
if (txq->tx_rs_thresh <= RTE_IXGBE_TX_MAX_FREE_BUF_SZ &&
(rte_eal_process_type() != RTE_PROC_PRIMARY ||
(unsigned long)txq->tx_rs_thresh,
(unsigned long)RTE_PMD_IXGBE_TX_MAX_BURST);
dev->tx_pkt_burst = ixgbe_xmit_pkts;
+ dev->tx_pkt_prepare = ixgbe_prep_pkts;
}
}
* rxq->rx_free_thresh >= RTE_PMD_IXGBE_RX_MAX_BURST
* rxq->rx_free_thresh < rxq->nb_rx_desc
* (rxq->nb_rx_desc % rxq->rx_free_thresh) == 0
- * rxq->nb_rx_desc<(IXGBE_MAX_RING_DESC-RTE_PMD_IXGBE_RX_MAX_BURST)
* Scattered packets are not supported. This should be checked
* outside of this function.
*/
"rxq->rx_free_thresh=%d",
rxq->nb_rx_desc, rxq->rx_free_thresh);
ret = -EINVAL;
- } else if (!(rxq->nb_rx_desc <
- (IXGBE_MAX_RING_DESC - RTE_PMD_IXGBE_RX_MAX_BURST))) {
- PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
- "rxq->nb_rx_desc=%d, "
- "IXGBE_MAX_RING_DESC=%d, "
- "RTE_PMD_IXGBE_RX_MAX_BURST=%d",
- rxq->nb_rx_desc, IXGBE_MAX_RING_DESC,
- RTE_PMD_IXGBE_RX_MAX_BURST);
- ret = -EINVAL;
}
return ret;
/*
* By default, the Rx queue setup function allocates enough memory for
* IXGBE_MAX_RING_DESC. The Rx Burst bulk allocation function requires
- * extra memory at the end of the descriptor ring to be zero'd out. A
- * pre-condition for using the Rx burst bulk alloc function is that the
- * number of descriptors is less than or equal to
- * (IXGBE_MAX_RING_DESC - RTE_PMD_IXGBE_RX_MAX_BURST). Check all the
- * constraints here to see if we need to zero out memory after the end
- * of the H/W descriptor ring.
+ * extra memory at the end of the descriptor ring to be zero'd out.
*/
if (adapter->rx_bulk_alloc_allowed)
/* zero out extra memory */
struct ixgbe_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", rx_queue_id);
- return 0;
- }
-
rxq = dev->data->rx_queues[rx_queue_id];
rxdp = &(rxq->rx_ring[rxq->rx_tail]);
rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD));
}
+int
+ixgbe_dev_rx_descriptor_status(void *rx_queue, uint16_t offset)
+{
+ struct ixgbe_rx_queue *rxq = rx_queue;
+ volatile uint32_t *status;
+ uint32_t nb_hold, desc;
+
+ if (unlikely(offset >= rxq->nb_rx_desc))
+ return -EINVAL;
+
+#ifdef RTE_IXGBE_INC_VECTOR
+ if (rxq->rx_using_sse)
+ nb_hold = rxq->rxrearm_nb;
+ else
+#endif
+ nb_hold = rxq->nb_rx_hold;
+ if (offset >= rxq->nb_rx_desc - nb_hold)
+ return RTE_ETH_RX_DESC_UNAVAIL;
+
+ desc = rxq->rx_tail + offset;
+ if (desc >= rxq->nb_rx_desc)
+ desc -= rxq->nb_rx_desc;
+
+ status = &rxq->rx_ring[desc].wb.upper.status_error;
+ if (*status & rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD))
+ return RTE_ETH_RX_DESC_DONE;
+
+ return RTE_ETH_RX_DESC_AVAIL;
+}
+
+int
+ixgbe_dev_tx_descriptor_status(void *tx_queue, uint16_t offset)
+{
+ struct ixgbe_tx_queue *txq = tx_queue;
+ volatile uint32_t *status;
+ uint32_t desc;
+
+ if (unlikely(offset >= txq->nb_tx_desc))
+ return -EINVAL;
+
+ desc = txq->tx_tail + offset;
+ /* go to next desc that has the RS bit */
+ desc = ((desc + txq->tx_rs_thresh - 1) / txq->tx_rs_thresh) *
+ txq->tx_rs_thresh;
+ if (desc >= txq->nb_tx_desc) {
+ desc -= txq->nb_tx_desc;
+ if (desc >= txq->nb_tx_desc)
+ desc -= txq->nb_tx_desc;
+ }
+
+ status = &txq->tx_ring[desc].wb.status;
+ if (*status & rte_cpu_to_le_32(IXGBE_ADVTXD_STAT_DD))
+ return RTE_ETH_TX_DESC_DONE;
+
+ return RTE_ETH_TX_DESC_FULL;
+}
+
void __attribute__((cold))
ixgbe_dev_clear_queues(struct rte_eth_dev *dev)
{
/**
* ixgbe_dcb_config_tx_hw_config - Configure general DCB TX parameters
- * @hw: pointer to hardware structure
+ * @dev: pointer to eth_dev structure
* @dcb_config: pointer to ixgbe_dcb_config structure
*/
static void
-ixgbe_dcb_tx_hw_config(struct ixgbe_hw *hw,
+ixgbe_dcb_tx_hw_config(struct rte_eth_dev *dev,
struct ixgbe_dcb_config *dcb_config)
{
uint32_t reg;
- uint32_t q;
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
PMD_INIT_FUNC_TRACE();
if (hw->mac.type != ixgbe_mac_82598EB) {
reg |= IXGBE_MTQC_VT_ENA;
IXGBE_WRITE_REG(hw, IXGBE_MTQC, reg);
- /* Disable drop for all queues */
- for (q = 0; q < 128; q++)
- IXGBE_WRITE_REG(hw, IXGBE_QDE,
- (IXGBE_QDE_WRITE | (q << IXGBE_QDE_IDX_SHIFT)));
-
/* Enable the Tx desc arbiter */
reg = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
reg &= ~IXGBE_RTTDCS_ARBDIS;
vmdq_tx_conf->nb_queue_pools == ETH_16_POOLS ? 0xFFFF : 0xFFFFFFFF);
/*Configure general DCB TX parameters*/
- ixgbe_dcb_tx_hw_config(hw, dcb_config);
+ ixgbe_dcb_tx_hw_config(dev, dcb_config);
}
static void
/**
* ixgbe_dcb_rx_hw_config - Configure general DCB RX HW parameters
- * @hw: pointer to hardware structure
+ * @dev: pointer to eth_dev structure
* @dcb_config: pointer to ixgbe_dcb_config structure
*/
static void
-ixgbe_dcb_rx_hw_config(struct ixgbe_hw *hw,
- struct ixgbe_dcb_config *dcb_config)
+ixgbe_dcb_rx_hw_config(struct rte_eth_dev *dev,
+ struct ixgbe_dcb_config *dcb_config)
{
uint32_t reg;
uint32_t vlanctrl;
uint8_t i;
+ uint32_t q;
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
PMD_INIT_FUNC_TRACE();
/*
}
IXGBE_WRITE_REG(hw, IXGBE_MRQC, reg);
+
+ if (RTE_ETH_DEV_SRIOV(dev).active == 0) {
+ /* Disable drop for all queues in VMDQ mode*/
+ for (q = 0; q < IXGBE_MAX_RX_QUEUE_NUM; q++)
+ IXGBE_WRITE_REG(hw, IXGBE_QDE,
+ (IXGBE_QDE_WRITE |
+ (q << IXGBE_QDE_IDX_SHIFT)));
+ } else {
+ /* Enable drop for all queues in SRIOV mode */
+ for (q = 0; q < IXGBE_MAX_RX_QUEUE_NUM; q++)
+ IXGBE_WRITE_REG(hw, IXGBE_QDE,
+ (IXGBE_QDE_WRITE |
+ (q << IXGBE_QDE_IDX_SHIFT) |
+ IXGBE_QDE_ENABLE));
+ }
}
/* VLNCTRL: enable vlan filtering and allow all vlan tags through */
uint32_t max_frame = dev->data->mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct ixgbe_bw_conf *bw_conf =
+ IXGBE_DEV_PRIVATE_TO_BW_CONF(dev->data->dev_private);
switch (dev->data->dev_conf.rxmode.mq_mode) {
case ETH_MQ_RX_VMDQ_DCB:
/* Get dcb TX configuration parameters from rte_eth_conf */
ixgbe_dcb_rx_config(dev, dcb_config);
/*Configure general DCB RX parameters*/
- ixgbe_dcb_rx_hw_config(hw, dcb_config);
+ ixgbe_dcb_rx_hw_config(dev, dcb_config);
break;
default:
PMD_INIT_LOG(ERR, "Incorrect DCB RX mode configuration");
/*get DCB TX configuration parameters from rte_eth_conf*/
ixgbe_dcb_tx_config(dev, dcb_config);
/*Configure general DCB TX parameters*/
- ixgbe_dcb_tx_hw_config(hw, dcb_config);
+ ixgbe_dcb_tx_hw_config(dev, dcb_config);
break;
default:
PMD_INIT_LOG(ERR, "Incorrect DCB TX mode configuration");
/* Re-configure 4 TCs BW */
for (i = 0; i < nb_tcs; i++) {
tc = &dcb_config->tc_config[i];
- tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent =
- (uint8_t)(100 / nb_tcs);
+ if (bw_conf->tc_num != nb_tcs)
+ tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent =
+ (uint8_t)(100 / nb_tcs);
tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent =
(uint8_t)(100 / nb_tcs);
}
tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent = 0;
tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent = 0;
}
+ } else {
+ /* Re-configure 8 TCs BW */
+ for (i = 0; i < nb_tcs; i++) {
+ tc = &dcb_config->tc_config[i];
+ if (bw_conf->tc_num != nb_tcs)
+ tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent =
+ (uint8_t)(100 / nb_tcs + (i & 1));
+ tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent =
+ (uint8_t)(100 / nb_tcs + (i & 1));
+ }
}
switch (hw->mac.type) {
(dev_conf->rxmode.mq_mode != ETH_MQ_RX_DCB_RSS))
return;
- if (dev->data->nb_rx_queues != ETH_DCB_NUM_QUEUES)
+ if (dev->data->nb_rx_queues > ETH_DCB_NUM_QUEUES)
return;
/** Configure DCB hardware **/
break;
}
} else {
- /*
- * SRIOV active scheme
- * Support RSS together with VMDq & SRIOV
+ /* SRIOV active scheme
+ * Support RSS together with SRIOV.
*/
switch (dev->data->dev_conf.rxmode.mq_mode) {
case ETH_MQ_RX_RSS:
case ETH_MQ_RX_VMDQ_RSS:
ixgbe_config_vf_rss(dev);
break;
-
- /* FIXME if support DCB/RSS together with VMDq & SRIOV */
case ETH_MQ_RX_VMDQ_DCB:
+ case ETH_MQ_RX_DCB:
+ /* In SRIOV, the configuration is the same as VMDq case */
+ ixgbe_vmdq_dcb_configure(dev);
+ break;
+ /* DCB/RSS together with SRIOV is not supported */
case ETH_MQ_RX_VMDQ_DCB_RSS:
+ case ETH_MQ_RX_DCB_RSS:
PMD_INIT_LOG(ERR,
- "Could not support DCB with VMDq & SRIOV");
+ "Could not support DCB/RSS with VMDq & SRIOV");
return -1;
default:
ixgbe_config_vf_default(dev);
git.droids-corp.org / dpdk.git / blobdiff