/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2012 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.
- *
- * version: DPDK.L.1.2.3-3
*/
#include <sys/queue.h>
-#include <endian.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ixgbe/ixgbe_api.h"
#include "ixgbe/ixgbe_vf.h"
#include "ixgbe_ethdev.h"
+#include "ixgbe/ixgbe_dcb.h"
+#include "ixgbe/ixgbe_common.h"
+#include "ixgbe_rxtx.h"
+
+#define IXGBE_RSS_OFFLOAD_ALL ( \
+ ETH_RSS_IPV4 | \
+ ETH_RSS_IPV4_TCP | \
+ ETH_RSS_IPV6 | \
+ ETH_RSS_IPV6_EX | \
+ ETH_RSS_IPV6_TCP | \
+ ETH_RSS_IPV6_TCP_EX | \
+ ETH_RSS_IPV4_UDP | \
+ ETH_RSS_IPV6_UDP | \
+ ETH_RSS_IPV6_UDP_EX)
static inline struct rte_mbuf *
rte_rxmbuf_alloc(struct rte_mempool *mp)
struct rte_mbuf *m;
m = __rte_mbuf_raw_alloc(mp);
- __rte_mbuf_sanity_check_raw(m, RTE_MBUF_PKT, 0);
+ __rte_mbuf_sanity_check_raw(m, 0);
return (m);
}
-#define RTE_MBUF_DATA_DMA_ADDR(mb) \
- (uint64_t) ((mb)->buf_physaddr + (uint64_t)((char *)((mb)->pkt.data) - \
- (char *)(mb)->buf_addr))
-
-#define RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb) \
- (uint64_t) ((mb)->buf_physaddr + RTE_PKTMBUF_HEADROOM)
-
-/**
- * Structure associated with each descriptor of the RX ring of a RX queue.
- */
-struct igb_rx_entry {
- struct rte_mbuf *mbuf; /**< mbuf associated with RX descriptor. */
-};
-
-/**
- * Structure associated with each descriptor of the TX ring of a TX queue.
- */
-struct igb_tx_entry {
- struct rte_mbuf *mbuf; /**< mbuf associated with TX desc, if any. */
- uint16_t next_id; /**< Index of next descriptor in ring. */
- uint16_t last_id; /**< Index of last scattered descriptor. */
-};
-
-/**
- * Structure associated with each RX queue.
- */
-struct igb_rx_queue {
- struct rte_mempool *mb_pool; /**< mbuf pool to populate RX ring. */
- volatile union ixgbe_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. */
- 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_desc; /**< number of RX descriptors. */
- uint16_t rx_tail; /**< current value of RDT register. */
- 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. */
- uint8_t port_id; /**< Device port identifier. */
- uint8_t crc_len; /**< 0 if CRC stripped, 4 otherwise. */
-};
-
-/**
- * IXGBE CTX Constants
- */
-enum ixgbe_advctx_num {
- IXGBE_CTX_0 = 0, /**< CTX0 */
- IXGBE_CTX_1 = 1, /**< CTX1 */
- IXGBE_CTX_NUM = 2, /**< CTX NUMBER */
-};
-
-/**
- * Structure to check if new context need be built
- */
-struct ixgbe_advctx_info {
- uint16_t flags; /**< ol_flags for context build. */
- uint32_t cmp_mask; /**< compare mask for vlan_macip_lens */
- uint32_t vlan_macip_lens; /**< vlan, mac ip length. */
-};
-
-/**
- * Structure associated with each TX queue.
- */
-struct igb_tx_queue {
- /** TX ring virtual address. */
- volatile union ixgbe_adv_tx_desc *tx_ring;
- uint64_t tx_ring_phys_addr; /**< TX ring DMA address. */
- struct igb_tx_entry *sw_ring; /**< virtual address of SW ring. */
- volatile uint32_t *tdt_reg_addr; /**< Address of TDT register. */
- uint16_t nb_tx_desc; /**< number of TX descriptors. */
- uint16_t tx_tail; /**< current value of TDT reg. */
- uint16_t tx_free_thresh;/**< minimum TX before freeing. */
- /** Number of TX descriptors to use before RS bit is set. */
- uint16_t tx_rs_thresh;
- /** Number of TX descriptors used since RS bit was set. */
- uint16_t nb_tx_used;
- /** Index to last TX descriptor to have been cleaned. */
- uint16_t last_desc_cleaned;
- /** Total number of TX descriptors ready to be allocated. */
- uint16_t nb_tx_free;
- uint16_t queue_id; /**< TX queue index. */
- uint8_t port_id; /**< Device port identifier. */
- uint8_t pthresh; /**< Prefetch threshold register. */
- uint8_t hthresh; /**< Host threshold register. */
- uint8_t wthresh; /**< Write-back threshold reg. */
- uint32_t ctx_curr; /**< Hardware context states. */
- /** Hardware context0 history. */
- struct ixgbe_advctx_info ctx_cache[IXGBE_CTX_NUM];
-};
-
#if 1
#define RTE_PMD_USE_PREFETCH
#define rte_ixgbe_prefetch(p) do {} while(0)
#endif
-#ifdef RTE_PMD_PACKET_PREFETCH
-#define rte_packet_prefetch(p) rte_prefetch1(p)
-#else
-#define rte_packet_prefetch(p) do {} while(0)
-#endif
-
/*********************************************************************
*
* TX functions
*
**********************************************************************/
+
+/*
+ * Check for descriptors with their DD bit set and free mbufs.
+ * Return the total number of buffers freed.
+ */
+static inline int __attribute__((always_inline))
+ixgbe_tx_free_bufs(struct igb_tx_queue *txq)
+{
+ struct igb_tx_entry *txep;
+ uint32_t status;
+ int i;
+
+ /* check DD bit on threshold descriptor */
+ status = txq->tx_ring[txq->tx_next_dd].wb.status;
+ if (! (status & IXGBE_ADVTXD_STAT_DD))
+ return 0;
+
+ /*
+ * first buffer to free from S/W ring is at index
+ * tx_next_dd - (tx_rs_thresh-1)
+ */
+ txep = &(txq->sw_ring[txq->tx_next_dd - (txq->tx_rs_thresh - 1)]);
+
+ /* prefetch the mbufs that are about to be freed */
+ for (i = 0; i < txq->tx_rs_thresh; ++i)
+ rte_prefetch0((txep + i)->mbuf);
+
+ /* free buffers one at a time */
+ if ((txq->txq_flags & (uint32_t)ETH_TXQ_FLAGS_NOREFCOUNT) != 0) {
+ for (i = 0; i < txq->tx_rs_thresh; ++i, ++txep) {
+ rte_mempool_put(txep->mbuf->pool, txep->mbuf);
+ txep->mbuf = NULL;
+ }
+ } else {
+ for (i = 0; i < txq->tx_rs_thresh; ++i, ++txep) {
+ rte_pktmbuf_free_seg(txep->mbuf);
+ txep->mbuf = NULL;
+ }
+ }
+
+ /* buffers were freed, update counters */
+ txq->nb_tx_free = (uint16_t)(txq->nb_tx_free + txq->tx_rs_thresh);
+ txq->tx_next_dd = (uint16_t)(txq->tx_next_dd + txq->tx_rs_thresh);
+ if (txq->tx_next_dd >= txq->nb_tx_desc)
+ txq->tx_next_dd = (uint16_t)(txq->tx_rs_thresh - 1);
+
+ return txq->tx_rs_thresh;
+}
+
+/* Populate 4 descriptors with data from 4 mbufs */
+static inline void
+tx4(volatile union ixgbe_adv_tx_desc *txdp, struct rte_mbuf **pkts)
+{
+ uint64_t buf_dma_addr;
+ uint32_t pkt_len;
+ int i;
+
+ for (i = 0; i < 4; ++i, ++txdp, ++pkts) {
+ buf_dma_addr = RTE_MBUF_DATA_DMA_ADDR(*pkts);
+ pkt_len = (*pkts)->data_len;
+
+ /* write data to descriptor */
+ txdp->read.buffer_addr = buf_dma_addr;
+ txdp->read.cmd_type_len =
+ ((uint32_t)DCMD_DTYP_FLAGS | pkt_len);
+ txdp->read.olinfo_status =
+ (pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT);
+ }
+}
+
+/* Populate 1 descriptor with data from 1 mbuf */
+static inline void
+tx1(volatile union ixgbe_adv_tx_desc *txdp, struct rte_mbuf **pkts)
+{
+ uint64_t buf_dma_addr;
+ uint32_t pkt_len;
+
+ buf_dma_addr = RTE_MBUF_DATA_DMA_ADDR(*pkts);
+ pkt_len = (*pkts)->data_len;
+
+ /* write data to descriptor */
+ txdp->read.buffer_addr = buf_dma_addr;
+ txdp->read.cmd_type_len =
+ ((uint32_t)DCMD_DTYP_FLAGS | pkt_len);
+ txdp->read.olinfo_status =
+ (pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT);
+}
+
+/*
+ * Fill H/W descriptor ring with mbuf data.
+ * Copy mbuf pointers to the S/W ring.
+ */
+static inline void
+ixgbe_tx_fill_hw_ring(struct igb_tx_queue *txq, struct rte_mbuf **pkts,
+ uint16_t nb_pkts)
+{
+ volatile union ixgbe_adv_tx_desc *txdp = &(txq->tx_ring[txq->tx_tail]);
+ struct igb_tx_entry *txep = &(txq->sw_ring[txq->tx_tail]);
+ const int N_PER_LOOP = 4;
+ const int N_PER_LOOP_MASK = N_PER_LOOP-1;
+ int mainpart, leftover;
+ int i, j;
+
+ /*
+ * Process most of the packets in chunks of N pkts. Any
+ * leftover packets will get processed one at a time.
+ */
+ mainpart = (nb_pkts & ((uint32_t) ~N_PER_LOOP_MASK));
+ leftover = (nb_pkts & ((uint32_t) N_PER_LOOP_MASK));
+ for (i = 0; i < mainpart; i += N_PER_LOOP) {
+ /* Copy N mbuf pointers to the S/W ring */
+ for (j = 0; j < N_PER_LOOP; ++j) {
+ (txep + i + j)->mbuf = *(pkts + i + j);
+ }
+ tx4(txdp + i, pkts + i);
+ }
+
+ if (unlikely(leftover > 0)) {
+ for (i = 0; i < leftover; ++i) {
+ (txep + mainpart + i)->mbuf = *(pkts + mainpart + i);
+ tx1(txdp + mainpart + i, pkts + mainpart + i);
+ }
+ }
+}
+
+static inline uint16_t
+tx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ struct igb_tx_queue *txq = (struct igb_tx_queue *)tx_queue;
+ volatile union ixgbe_adv_tx_desc *tx_r = txq->tx_ring;
+ uint16_t n = 0;
+
+ /*
+ * Begin scanning the H/W ring for done descriptors when the
+ * number of available descriptors drops below tx_free_thresh. For
+ * each done descriptor, free the associated buffer.
+ */
+ if (txq->nb_tx_free < txq->tx_free_thresh)
+ ixgbe_tx_free_bufs(txq);
+
+ /* Only use descriptors that are available */
+ nb_pkts = (uint16_t)RTE_MIN(txq->nb_tx_free, nb_pkts);
+ if (unlikely(nb_pkts == 0))
+ return 0;
+
+ /* Use exactly nb_pkts descriptors */
+ txq->nb_tx_free = (uint16_t)(txq->nb_tx_free - nb_pkts);
+
+ /*
+ * At this point, we know there are enough descriptors in the
+ * ring to transmit all the packets. This assumes that each
+ * mbuf contains a single segment, and that no new offloads
+ * are expected, which would require a new context descriptor.
+ */
+
+ /*
+ * See if we're going to wrap-around. If so, handle the top
+ * of the descriptor ring first, then do the bottom. If not,
+ * the processing looks just like the "bottom" part anyway...
+ */
+ if ((txq->tx_tail + nb_pkts) > txq->nb_tx_desc) {
+ n = (uint16_t)(txq->nb_tx_desc - txq->tx_tail);
+ ixgbe_tx_fill_hw_ring(txq, tx_pkts, n);
+
+ /*
+ * We know that the last descriptor in the ring will need to
+ * have its RS bit set because tx_rs_thresh has to be
+ * a divisor of the ring size
+ */
+ tx_r[txq->tx_next_rs].read.cmd_type_len |=
+ rte_cpu_to_le_32(IXGBE_ADVTXD_DCMD_RS);
+ txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1);
+
+ txq->tx_tail = 0;
+ }
+
+ /* Fill H/W descriptor ring with mbuf data */
+ ixgbe_tx_fill_hw_ring(txq, tx_pkts + n, (uint16_t)(nb_pkts - n));
+ txq->tx_tail = (uint16_t)(txq->tx_tail + (nb_pkts - n));
+
+ /*
+ * Determine if RS bit should be set
+ * This is what we actually want:
+ * if ((txq->tx_tail - 1) >= txq->tx_next_rs)
+ * but instead of subtracting 1 and doing >=, we can just do
+ * greater than without subtracting.
+ */
+ if (txq->tx_tail > txq->tx_next_rs) {
+ tx_r[txq->tx_next_rs].read.cmd_type_len |=
+ rte_cpu_to_le_32(IXGBE_ADVTXD_DCMD_RS);
+ txq->tx_next_rs = (uint16_t)(txq->tx_next_rs +
+ txq->tx_rs_thresh);
+ if (txq->tx_next_rs >= txq->nb_tx_desc)
+ txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1);
+ }
+
+ /*
+ * Check for wrap-around. This would only happen if we used
+ * up to the last descriptor in the ring, no more, no less.
+ */
+ if (txq->tx_tail >= txq->nb_tx_desc)
+ txq->tx_tail = 0;
+
+ /* update tail pointer */
+ rte_wmb();
+ IXGBE_PCI_REG_WRITE(txq->tdt_reg_addr, txq->tx_tail);
+
+ return nb_pkts;
+}
+
+uint16_t
+ixgbe_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ uint16_t nb_tx;
+
+ /* Try to transmit at least chunks of TX_MAX_BURST pkts */
+ if (likely(nb_pkts <= RTE_PMD_IXGBE_TX_MAX_BURST))
+ return tx_xmit_pkts(tx_queue, tx_pkts, nb_pkts);
+
+ /* transmit more than the max burst, in chunks of TX_MAX_BURST */
+ nb_tx = 0;
+ while (nb_pkts) {
+ uint16_t ret, n;
+ n = (uint16_t)RTE_MIN(nb_pkts, RTE_PMD_IXGBE_TX_MAX_BURST);
+ ret = tx_xmit_pkts(tx_queue, &(tx_pkts[nb_tx]), n);
+ nb_tx = (uint16_t)(nb_tx + ret);
+ nb_pkts = (uint16_t)(nb_pkts - ret);
+ if (ret < n)
+ break;
+ }
+
+ return nb_tx;
+}
+
static inline void
ixgbe_set_xmit_ctx(struct igb_tx_queue* txq,
volatile struct ixgbe_adv_tx_context_desc *ctx_txd,
txq->ctx_cache[ctx_idx].flags = ol_flags;
txq->ctx_cache[ctx_idx].cmp_mask = cmp_mask;
- txq->ctx_cache[ctx_idx].vlan_macip_lens = vlan_macip_lens & cmp_mask;
+ txq->ctx_cache[ctx_idx].vlan_macip_lens.data =
+ vlan_macip_lens & cmp_mask;
ctx_txd->type_tucmd_mlhl = rte_cpu_to_le_32(type_tucmd_mlhl);
ctx_txd->vlan_macip_lens = rte_cpu_to_le_32(vlan_macip_lens);
{
/* If match with the current used context */
if (likely((txq->ctx_cache[txq->ctx_curr].flags == flags) &&
- (txq->ctx_cache[txq->ctx_curr].vlan_macip_lens ==
+ (txq->ctx_cache[txq->ctx_curr].vlan_macip_lens.data ==
(txq->ctx_cache[txq->ctx_curr].cmp_mask & vlan_macip_lens)))) {
return txq->ctx_curr;
}
/* What if match with the next context */
txq->ctx_curr ^= 1;
if (likely((txq->ctx_cache[txq->ctx_curr].flags == flags) &&
- (txq->ctx_cache[txq->ctx_curr].vlan_macip_lens ==
+ (txq->ctx_cache[txq->ctx_curr].vlan_macip_lens.data ==
(txq->ctx_cache[txq->ctx_curr].cmp_mask & vlan_macip_lens)))) {
return txq->ctx_curr;
}
uint16_t nb_tx_to_clean;
/* Determine the last descriptor needing to be cleaned */
- desc_to_clean_to = last_desc_cleaned + txq->tx_rs_thresh;
+ desc_to_clean_to = (uint16_t)(last_desc_cleaned + txq->tx_rs_thresh);
if (desc_to_clean_to >= nb_tx_desc)
- desc_to_clean_to = desc_to_clean_to - nb_tx_desc;
+ desc_to_clean_to = (uint16_t)(desc_to_clean_to - nb_tx_desc);
/* Check to make sure the last descriptor to clean is done */
desc_to_clean_to = sw_ring[desc_to_clean_to].last_id;
/* Figure out how many descriptors will be cleaned */
if (last_desc_cleaned > desc_to_clean_to)
- nb_tx_to_clean = ((nb_tx_desc - last_desc_cleaned) +
- desc_to_clean_to);
+ nb_tx_to_clean = (uint16_t)((nb_tx_desc - last_desc_cleaned) +
+ desc_to_clean_to);
else
- nb_tx_to_clean = desc_to_clean_to - last_desc_cleaned;
+ nb_tx_to_clean = (uint16_t)(desc_to_clean_to -
+ last_desc_cleaned);
PMD_TX_FREE_LOG(DEBUG,
"Cleaning %4u TX descriptors: %4u to %4u "
/* Update the txq to reflect the last descriptor that was cleaned */
txq->last_desc_cleaned = desc_to_clean_to;
- txq->nb_tx_free += nb_tx_to_clean;
+ txq->nb_tx_free = (uint16_t)(txq->nb_tx_free + nb_tx_to_clean);
/* No Error */
return (0);
}
uint16_t
-ixgbe_xmit_pkts(struct igb_tx_queue *txq, struct rte_mbuf **tx_pkts,
+ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts)
{
+ struct igb_tx_queue *txq;
struct igb_tx_entry *sw_ring;
struct igb_tx_entry *txe, *txn;
volatile union ixgbe_adv_tx_desc *txr;
volatile union ixgbe_adv_tx_desc *txd;
struct rte_mbuf *tx_pkt;
struct rte_mbuf *m_seg;
+ union ixgbe_vlan_macip vlan_macip_lens;
uint64_t buf_dma_addr;
uint32_t olinfo_status;
uint32_t cmd_type_len;
uint16_t nb_tx;
uint16_t nb_used;
uint16_t tx_ol_req;
- uint32_t vlan_macip_lens;
- uint32_t ctx;
+ uint32_t ctx = 0;
uint32_t new_ctx;
+ txq = tx_queue;
sw_ring = txq->sw_ring;
txr = txq->tx_ring;
tx_id = txq->tx_tail;
for (nb_tx = 0; nb_tx < nb_pkts; nb_tx++) {
new_ctx = 0;
tx_pkt = *tx_pkts++;
- pkt_len = tx_pkt->pkt.pkt_len;
+ pkt_len = tx_pkt->pkt_len;
RTE_MBUF_PREFETCH_TO_FREE(txe->mbuf);
* are needed for offload functionality.
*/
ol_flags = tx_pkt->ol_flags;
- vlan_macip_lens = tx_pkt->pkt.vlan_tci << 16 |
- tx_pkt->pkt.l2_len << IXGBE_ADVTXD_MACLEN_SHIFT |
- tx_pkt->pkt.l3_len;
+ vlan_macip_lens.f.vlan_tci = tx_pkt->vlan_tci;
+ vlan_macip_lens.f.l2_l3_len = tx_pkt->l2_l3_len;
/* If hardware offload required */
- tx_ol_req = ol_flags & PKT_TX_OFFLOAD_MASK;
+ tx_ol_req = (uint16_t)(ol_flags & PKT_TX_OFFLOAD_MASK);
if (tx_ol_req) {
/* If new context need be built or reuse the exist ctx. */
- ctx = what_advctx_update(txq, tx_ol_req, vlan_macip_lens);
+ ctx = what_advctx_update(txq, tx_ol_req,
+ vlan_macip_lens.data);
/* Only allocate context descriptor if required*/
new_ctx = (ctx == IXGBE_CTX_NUM);
ctx = txq->ctx_curr;
* This will always be the number of segments + the number of
* Context descriptors required to transmit the packet
*/
- nb_used = tx_pkt->pkt.nb_segs + new_ctx;
+ nb_used = (uint16_t)(tx_pkt->nb_segs + new_ctx);
/*
* The number of descriptors that must be allocated for a
}
ixgbe_set_xmit_ctx(txq, ctx_txd, tx_ol_req,
- vlan_macip_lens);
+ vlan_macip_lens.data);
txe->last_id = tx_last;
tx_id = txe->next_id;
/*
* Set up Transmit Data Descriptor.
*/
- slen = m_seg->pkt.data_len;
+ slen = m_seg->data_len;
buf_dma_addr = RTE_MBUF_DATA_DMA_ADDR(m_seg);
txd->read.buffer_addr =
rte_cpu_to_le_64(buf_dma_addr);
txe->last_id = tx_last;
tx_id = txe->next_id;
txe = txn;
- m_seg = m_seg->pkt.next;
+ m_seg = m_seg->next;
} while (m_seg != NULL);
/*
* The last packet data descriptor needs End Of Packet (EOP)
*/
cmd_type_len |= IXGBE_TXD_CMD_EOP;
- txq->nb_tx_used += nb_used;
- txq->nb_tx_free -= nb_used;
+ txq->nb_tx_used = (uint16_t)(txq->nb_tx_used + nb_used);
+ txq->nb_tx_free = (uint16_t)(txq->nb_tx_free - nb_used);
/* Set RS bit only on threshold packets' last descriptor */
if (txq->nb_tx_used >= txq->tx_rs_thresh) {
ip_pkt_types_map[(hl_tp_rs >> 4) & 0x0F]);
#endif
- return (pkt_flags | ip_rss_types_map[hl_tp_rs & 0xF]);
+ return (uint16_t)(pkt_flags | ip_rss_types_map[hl_tp_rs & 0xF]);
}
static inline uint16_t
* Do not check whether L3/L4 rx checksum done by NIC or not,
* That can be found from rte_eth_rxmode.hw_ip_checksum flag
*/
- pkt_flags = (uint16_t) (rx_status & IXGBE_RXD_STAT_VP) ? PKT_RX_VLAN_PKT : 0;
+ pkt_flags = (uint16_t)((rx_status & IXGBE_RXD_STAT_VP) ?
+ PKT_RX_VLAN_PKT : 0);
#ifdef RTE_LIBRTE_IEEE1588
if (rx_status & IXGBE_RXD_STAT_TMST)
- pkt_flags = (pkt_flags | PKT_RX_IEEE1588_TMST);
+ pkt_flags = (uint16_t)(pkt_flags | PKT_RX_IEEE1588_TMST);
#endif
return pkt_flags;
}
IXGBE_RXDADV_ERR_CKSUM_BIT) & IXGBE_RXDADV_ERR_CKSUM_MSK];
}
+#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
+/*
+ * LOOK_AHEAD defines how many desc statuses to check beyond the
+ * current descriptor.
+ * It must be a pound define for optimal performance.
+ * Do not change the value of LOOK_AHEAD, as the ixgbe_rx_scan_hw_ring
+ * function only works with LOOK_AHEAD=8.
+ */
+#define LOOK_AHEAD 8
+#if (LOOK_AHEAD != 8)
+#error "PMD IXGBE: LOOK_AHEAD must be 8\n"
+#endif
+static inline int
+ixgbe_rx_scan_hw_ring(struct igb_rx_queue *rxq)
+{
+ volatile union ixgbe_adv_rx_desc *rxdp;
+ struct igb_rx_entry *rxep;
+ struct rte_mbuf *mb;
+ uint16_t pkt_len;
+ int s[LOOK_AHEAD], nb_dd;
+ int i, j, nb_rx = 0;
+
+
+ /* get references to current descriptor and S/W ring entry */
+ rxdp = &rxq->rx_ring[rxq->rx_tail];
+ rxep = &rxq->sw_ring[rxq->rx_tail];
+
+ /* check to make sure there is at least 1 packet to receive */
+ if (! (rxdp->wb.upper.status_error & IXGBE_RXDADV_STAT_DD))
+ return 0;
+
+ /*
+ * Scan LOOK_AHEAD descriptors at a time to determine which descriptors
+ * reference packets that are ready to be received.
+ */
+ 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)
+ s[j] = rxdp[j].wb.upper.status_error;
+
+ /* 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;
+
+ nb_rx += nb_dd;
+
+ /* Translate descriptor info to mbuf format */
+ for (j = 0; j < nb_dd; ++j) {
+ mb = rxep[j].mbuf;
+ pkt_len = (uint16_t)(rxdp[j].wb.upper.length -
+ rxq->crc_len);
+ mb->data_len = pkt_len;
+ mb->pkt_len = pkt_len;
+ mb->vlan_tci = rxdp[j].wb.upper.vlan;
+ mb->hash.rss = rxdp[j].wb.lower.hi_dword.rss;
+
+ /* convert descriptor fields to rte mbuf flags */
+ mb->ol_flags = rx_desc_hlen_type_rss_to_pkt_flags(
+ rxdp[j].wb.lower.lo_dword.data);
+ /* reuse status field from scan list */
+ mb->ol_flags = (uint16_t)(mb->ol_flags |
+ rx_desc_status_to_pkt_flags(s[j]));
+ mb->ol_flags = (uint16_t)(mb->ol_flags |
+ rx_desc_error_to_pkt_flags(s[j]));
+ }
+
+ /* Move mbuf pointers from the S/W ring to the stage */
+ for (j = 0; j < LOOK_AHEAD; ++j) {
+ rxq->rx_stage[i + j] = rxep[j].mbuf;
+ }
+
+ /* stop if all requested packets could not be received */
+ if (nb_dd != LOOK_AHEAD)
+ break;
+ }
+
+ /* clear software ring entries so we can cleanup correctly */
+ for (i = 0; i < nb_rx; ++i) {
+ rxq->sw_ring[rxq->rx_tail + i].mbuf = NULL;
+ }
+
+
+ return nb_rx;
+}
+
+static inline int
+ixgbe_rx_alloc_bufs(struct igb_rx_queue *rxq)
+{
+ volatile union ixgbe_adv_rx_desc *rxdp;
+ struct igb_rx_entry *rxep;
+ struct rte_mbuf *mb;
+ uint16_t alloc_idx;
+ uint64_t dma_addr;
+ int diag, i;
+
+ /* allocate buffers in bulk directly into the S/W ring */
+ alloc_idx = (uint16_t)(rxq->rx_free_trigger -
+ (rxq->rx_free_thresh - 1));
+ rxep = &rxq->sw_ring[alloc_idx];
+ diag = rte_mempool_get_bulk(rxq->mb_pool, (void *)rxep,
+ rxq->rx_free_thresh);
+ if (unlikely(diag != 0))
+ return (-ENOMEM);
+
+ rxdp = &rxq->rx_ring[alloc_idx];
+ for (i = 0; i < rxq->rx_free_thresh; ++i) {
+ /* populate the static rte mbuf fields */
+ mb = rxep[i].mbuf;
+ rte_mbuf_refcnt_set(mb, 1);
+ mb->next = NULL;
+ mb->data_off = RTE_PKTMBUF_HEADROOM;
+ mb->nb_segs = 1;
+ mb->port = rxq->port_id;
+
+ /* populate the descriptors */
+ dma_addr = (uint64_t)mb->buf_physaddr + RTE_PKTMBUF_HEADROOM;
+ rxdp[i].read.hdr_addr = dma_addr;
+ rxdp[i].read.pkt_addr = dma_addr;
+ }
+
+ /* update tail pointer */
+ rte_wmb();
+ IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr, rxq->rx_free_trigger);
+
+ /* update state of internal queue structure */
+ rxq->rx_free_trigger = (uint16_t)(rxq->rx_free_trigger +
+ rxq->rx_free_thresh);
+ if (rxq->rx_free_trigger >= rxq->nb_rx_desc)
+ rxq->rx_free_trigger = (uint16_t)(rxq->rx_free_thresh - 1);
+
+ /* no errors */
+ return 0;
+}
+
+static inline uint16_t
+ixgbe_rx_fill_from_stage(struct igb_rx_queue *rxq, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ struct rte_mbuf **stage = &rxq->rx_stage[rxq->rx_next_avail];
+ int i;
+
+ /* how many packets are ready to return? */
+ nb_pkts = (uint16_t)RTE_MIN(nb_pkts, rxq->rx_nb_avail);
+
+ /* copy mbuf pointers to the application's packet list */
+ for (i = 0; i < nb_pkts; ++i)
+ rx_pkts[i] = stage[i];
+
+ /* update internal queue state */
+ rxq->rx_nb_avail = (uint16_t)(rxq->rx_nb_avail - nb_pkts);
+ rxq->rx_next_avail = (uint16_t)(rxq->rx_next_avail + nb_pkts);
+
+ return nb_pkts;
+}
+
+static inline uint16_t
+rx_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ struct igb_rx_queue *rxq = (struct igb_rx_queue *)rx_queue;
+ uint16_t nb_rx = 0;
+
+ /* Any previously recv'd pkts will be returned from the Rx stage */
+ if (rxq->rx_nb_avail)
+ return ixgbe_rx_fill_from_stage(rxq, rx_pkts, nb_pkts);
+
+ /* Scan the H/W ring for packets to receive */
+ nb_rx = (uint16_t)ixgbe_rx_scan_hw_ring(rxq);
+
+ /* update internal queue state */
+ rxq->rx_next_avail = 0;
+ rxq->rx_nb_avail = nb_rx;
+ rxq->rx_tail = (uint16_t)(rxq->rx_tail + nb_rx);
+
+ /* if required, allocate new buffers to replenish descriptors */
+ if (rxq->rx_tail > rxq->rx_free_trigger) {
+ if (ixgbe_rx_alloc_bufs(rxq) != 0) {
+ int i, j;
+ PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
+ "queue_id=%u\n", (unsigned) rxq->port_id,
+ (unsigned) rxq->queue_id);
+
+ rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed +=
+ rxq->rx_free_thresh;
+
+ /*
+ * Need to rewind any previous receives if we cannot
+ * allocate new buffers to replenish the old ones.
+ */
+ rxq->rx_nb_avail = 0;
+ rxq->rx_tail = (uint16_t)(rxq->rx_tail - nb_rx);
+ for (i = 0, j = rxq->rx_tail; i < nb_rx; ++i, ++j)
+ rxq->sw_ring[j].mbuf = rxq->rx_stage[i];
+
+ return 0;
+ }
+ }
+
+ if (rxq->rx_tail >= rxq->nb_rx_desc)
+ rxq->rx_tail = 0;
+
+ /* received any packets this loop? */
+ if (rxq->rx_nb_avail)
+ return ixgbe_rx_fill_from_stage(rxq, rx_pkts, nb_pkts);
+
+ return 0;
+}
+
+/* split requests into chunks of size RTE_PMD_IXGBE_RX_MAX_BURST */
+uint16_t
+ixgbe_recv_pkts_bulk_alloc(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ uint16_t nb_rx;
+
+ if (unlikely(nb_pkts == 0))
+ return 0;
+
+ if (likely(nb_pkts <= RTE_PMD_IXGBE_RX_MAX_BURST))
+ return rx_recv_pkts(rx_queue, rx_pkts, nb_pkts);
+
+ /* request is relatively large, chunk it up */
+ nb_rx = 0;
+ while (nb_pkts) {
+ uint16_t ret, n;
+ n = (uint16_t)RTE_MIN(nb_pkts, RTE_PMD_IXGBE_RX_MAX_BURST);
+ ret = rx_recv_pkts(rx_queue, &rx_pkts[nb_rx], n);
+ nb_rx = (uint16_t)(nb_rx + ret);
+ nb_pkts = (uint16_t)(nb_pkts - ret);
+ if (ret < n)
+ break;
+ }
+
+ return nb_rx;
+}
+#endif /* RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC */
+
uint16_t
-ixgbe_recv_pkts(struct igb_rx_queue *rxq, struct rte_mbuf **rx_pkts,
+ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
+ struct igb_rx_queue *rxq;
volatile union ixgbe_adv_rx_desc *rx_ring;
volatile union ixgbe_adv_rx_desc *rxdp;
struct igb_rx_entry *sw_ring;
nb_rx = 0;
nb_hold = 0;
+ rxq = rx_queue;
rx_id = rxq->rx_tail;
rx_ring = rxq->rx_ring;
sw_ring = rxq->sw_ring;
*/
pkt_len = (uint16_t) (rte_le_to_cpu_16(rxd.wb.upper.length) -
rxq->crc_len);
- rxm->pkt.data = (char*) rxm->buf_addr + RTE_PKTMBUF_HEADROOM;
- rte_packet_prefetch(rxm->pkt.data);
- rxm->pkt.nb_segs = 1;
- rxm->pkt.next = NULL;
- rxm->pkt.pkt_len = pkt_len;
- rxm->pkt.data_len = pkt_len;
- rxm->pkt.in_port = rxq->port_id;
+ rxm->data_off = RTE_PKTMBUF_HEADROOM;
+ rte_packet_prefetch((char *)rxm->buf_addr + rxm->data_off);
+ rxm->nb_segs = 1;
+ rxm->next = NULL;
+ rxm->pkt_len = pkt_len;
+ rxm->data_len = pkt_len;
+ rxm->port = rxq->port_id;
hlen_type_rss = rte_le_to_cpu_32(rxd.wb.lower.lo_dword.data);
/* Only valid if PKT_RX_VLAN_PKT set in pkt_flags */
- rxm->pkt.vlan_tci = rte_le_to_cpu_16(rxd.wb.upper.vlan);
+ rxm->vlan_tci = rte_le_to_cpu_16(rxd.wb.upper.vlan);
pkt_flags = rx_desc_hlen_type_rss_to_pkt_flags(hlen_type_rss);
- pkt_flags = (pkt_flags | rx_desc_status_to_pkt_flags(staterr));
- pkt_flags = (pkt_flags | rx_desc_error_to_pkt_flags(staterr));
+ pkt_flags = (uint16_t)(pkt_flags |
+ rx_desc_status_to_pkt_flags(staterr));
+ pkt_flags = (uint16_t)(pkt_flags |
+ rx_desc_error_to_pkt_flags(staterr));
rxm->ol_flags = pkt_flags;
if (likely(pkt_flags & PKT_RX_RSS_HASH))
- rxm->pkt.hash.rss = rxd.wb.lower.hi_dword.rss;
+ rxm->hash.rss = rxd.wb.lower.hi_dword.rss;
else if (pkt_flags & PKT_RX_FDIR) {
- rxm->pkt.hash.fdir.hash =
+ rxm->hash.fdir.hash =
(uint16_t)((rxd.wb.lower.hi_dword.csum_ip.csum)
& IXGBE_ATR_HASH_MASK);
- rxm->pkt.hash.fdir.id = rxd.wb.lower.hi_dword.csum_ip.ip_id;
+ rxm->hash.fdir.id = rxd.wb.lower.hi_dword.csum_ip.ip_id;
}
/*
* Store the mbuf address into the next entry of the array
}
uint16_t
-ixgbe_recv_scattered_pkts(struct igb_rx_queue *rxq, struct rte_mbuf **rx_pkts,
+ixgbe_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
+ struct igb_rx_queue *rxq;
volatile union ixgbe_adv_rx_desc *rx_ring;
volatile union ixgbe_adv_rx_desc *rxdp;
struct igb_rx_entry *sw_ring;
nb_rx = 0;
nb_hold = 0;
+ rxq = rx_queue;
rx_id = rxq->rx_tail;
rx_ring = rxq->rx_ring;
sw_ring = rxq->sw_ring;
* Set data length & data buffer address of mbuf.
*/
data_len = rte_le_to_cpu_16(rxd.wb.upper.length);
- rxm->pkt.data_len = data_len;
- rxm->pkt.data = (char*) rxm->buf_addr + RTE_PKTMBUF_HEADROOM;
+ rxm->data_len = data_len;
+ rxm->data_off = RTE_PKTMBUF_HEADROOM;
/*
* If this is the first buffer of the received packet,
*/
if (first_seg == NULL) {
first_seg = rxm;
- first_seg->pkt.pkt_len = data_len;
- first_seg->pkt.nb_segs = 1;
+ first_seg->pkt_len = data_len;
+ first_seg->nb_segs = 1;
} else {
- first_seg->pkt.pkt_len = (uint16_t)(first_seg->pkt.pkt_len
+ first_seg->pkt_len = (uint16_t)(first_seg->pkt_len
+ data_len);
- first_seg->pkt.nb_segs++;
- last_seg->pkt.next = rxm;
+ first_seg->nb_segs++;
+ last_seg->next = rxm;
}
/*
* mbuf, subtract the length of that CRC part from the
* data length of the previous mbuf.
*/
- rxm->pkt.next = NULL;
+ rxm->next = NULL;
if (unlikely(rxq->crc_len > 0)) {
- first_seg->pkt.pkt_len -= ETHER_CRC_LEN;
+ first_seg->pkt_len -= ETHER_CRC_LEN;
if (data_len <= ETHER_CRC_LEN) {
rte_pktmbuf_free_seg(rxm);
- first_seg->pkt.nb_segs--;
- last_seg->pkt.data_len = (uint16_t)
- (last_seg->pkt.data_len -
+ first_seg->nb_segs--;
+ last_seg->data_len = (uint16_t)
+ (last_seg->data_len -
(ETHER_CRC_LEN - data_len));
- last_seg->pkt.next = NULL;
+ last_seg->next = NULL;
} else
- rxm->pkt.data_len =
+ rxm->data_len =
(uint16_t) (data_len - ETHER_CRC_LEN);
}
* - VLAN TCI, if any,
* - error flags.
*/
- first_seg->pkt.in_port = rxq->port_id;
+ first_seg->port = rxq->port_id;
/*
* The vlan_tci field is only valid when PKT_RX_VLAN_PKT is
* set in the pkt_flags field.
*/
- first_seg->pkt.vlan_tci =
- rte_le_to_cpu_16(rxd.wb.upper.vlan);
+ first_seg->vlan_tci = rte_le_to_cpu_16(rxd.wb.upper.vlan);
hlen_type_rss = rte_le_to_cpu_32(rxd.wb.lower.lo_dword.data);
pkt_flags = rx_desc_hlen_type_rss_to_pkt_flags(hlen_type_rss);
- pkt_flags = (pkt_flags |
- rx_desc_status_to_pkt_flags(staterr));
- pkt_flags = (pkt_flags |
- rx_desc_error_to_pkt_flags(staterr));
+ pkt_flags = (uint16_t)(pkt_flags |
+ rx_desc_status_to_pkt_flags(staterr));
+ pkt_flags = (uint16_t)(pkt_flags |
+ rx_desc_error_to_pkt_flags(staterr));
first_seg->ol_flags = pkt_flags;
if (likely(pkt_flags & PKT_RX_RSS_HASH))
- first_seg->pkt.hash.rss = rxd.wb.lower.hi_dword.rss;
+ first_seg->hash.rss = rxd.wb.lower.hi_dword.rss;
else if (pkt_flags & PKT_RX_FDIR) {
- first_seg->pkt.hash.fdir.hash =
+ first_seg->hash.fdir.hash =
(uint16_t)((rxd.wb.lower.hi_dword.csum_ip.csum)
& IXGBE_ATR_HASH_MASK);
- first_seg->pkt.hash.fdir.id =
+ first_seg->hash.fdir.id =
rxd.wb.lower.hi_dword.csum_ip.ip_id;
}
/* Prefetch data of first segment, if configured to do so. */
- rte_packet_prefetch(first_seg->pkt.data);
+ rte_packet_prefetch((char *)first_seg->buf_addr +
+ first_seg->data_off);
/*
* Store the mbuf address into the next entry of the array
* descriptors should meet the following condition:
* (num_ring_desc * sizeof(rx/tx descriptor)) % 128 == 0
*/
-#define IXGBE_MIN_RING_DESC 64
+#define IXGBE_MIN_RING_DESC 32
#define IXGBE_MAX_RING_DESC 4096
/*
char z_name[RTE_MEMZONE_NAMESIZE];
const struct rte_memzone *mz;
- rte_snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
+ snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
dev->driver->pci_drv.name, ring_name,
dev->data->port_id, queue_id);
if (mz)
return mz;
- return rte_memzone_reserve_aligned(z_name, (uint64_t) ring_size,
- socket_id, 0, IXGBE_ALIGN);
+#ifdef RTE_LIBRTE_XEN_DOM0
+ return rte_memzone_reserve_bounded(z_name, ring_size,
+ socket_id, 0, IXGBE_ALIGN, RTE_PGSIZE_2M);
+#else
+ return rte_memzone_reserve_aligned(z_name, ring_size,
+ socket_id, 0, IXGBE_ALIGN);
+#endif
}
static void
}
static void
-ixgbe_tx_queue_release(struct igb_tx_queue *txq)
+ixgbe_tx_free_swring(struct igb_tx_queue *txq)
{
- ixgbe_tx_queue_release_mbufs(txq);
- rte_free(txq->sw_ring);
- rte_free(txq);
+ if (txq != NULL &&
+ txq->sw_ring != NULL)
+ rte_free(txq->sw_ring);
}
-int
-ixgbe_dev_tx_queue_alloc(struct rte_eth_dev *dev, uint16_t nb_queues)
+static void
+ixgbe_tx_queue_release(struct igb_tx_queue *txq)
{
- uint16_t old_nb_queues = dev->data->nb_tx_queues;
- struct igb_tx_queue **txq;
- unsigned i;
-
- PMD_INIT_FUNC_TRACE();
-
- if (dev->data->tx_queues == NULL) {
- dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
- sizeof(struct igb_tx_queue *) * nb_queues,
- CACHE_LINE_SIZE);
- if (dev->data->tx_queues == NULL) {
- dev->data->nb_tx_queues = 0;
- return -1;
- }
- }
- else {
- for (i = nb_queues; i < old_nb_queues; i++)
- ixgbe_tx_queue_release(dev->data->tx_queues[i]);
- txq = rte_realloc(dev->data->tx_queues,
- sizeof(struct igb_tx_queue *) * nb_queues,
- CACHE_LINE_SIZE);
- if (txq == NULL)
- return -1;
- else
- dev->data->tx_queues = txq;
- if (nb_queues > old_nb_queues)
- memset(&dev->data->tx_queues[old_nb_queues], 0,
- sizeof(struct igb_tx_queue *) *
- (nb_queues - old_nb_queues));
+ if (txq != NULL && txq->ops != NULL) {
+ txq->ops->release_mbufs(txq);
+ txq->ops->free_swring(txq);
+ rte_free(txq);
}
- dev->data->nb_tx_queues = nb_queues;
- return 0;
+}
+
+void
+ixgbe_dev_tx_queue_release(void *txq)
+{
+ ixgbe_tx_queue_release(txq);
}
/* (Re)set dynamic igb_tx_queue fields to defaults */
static void
ixgbe_reset_tx_queue(struct igb_tx_queue *txq)
{
+ static const union ixgbe_adv_tx_desc zeroed_desc = { .read = {
+ .buffer_addr = 0}};
struct igb_tx_entry *txe = txq->sw_ring;
uint16_t prev, i;
/* Zero out HW ring memory */
- for (i = 0; i < sizeof(union ixgbe_adv_tx_desc) * txq->nb_tx_desc; i++) {
- ((volatile char *)txq->tx_ring)[i] = 0;
+ for (i = 0; i < txq->nb_tx_desc; i++) {
+ txq->tx_ring[i] = zeroed_desc;
}
/* Initialize SW ring entries */
prev = i;
}
+ txq->tx_next_dd = (uint16_t)(txq->tx_rs_thresh - 1);
+ txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1);
+
txq->tx_tail = 0;
txq->nb_tx_used = 0;
/*
IXGBE_CTX_NUM * sizeof(struct ixgbe_advctx_info));
}
+static struct ixgbe_txq_ops def_txq_ops = {
+ .release_mbufs = ixgbe_tx_queue_release_mbufs,
+ .free_swring = ixgbe_tx_free_swring,
+ .reset = ixgbe_reset_tx_queue,
+};
+
int
ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
* tx_rs_thresh must be greater than 0.
* tx_rs_thresh must be less than the size of the ring minus 2.
* tx_rs_thresh must be less than or equal to tx_free_thresh.
+ * tx_rs_thresh must be a divisor of the ring size.
* tx_free_thresh must be greater than 0.
* tx_free_thresh must be less than the size of the ring minus 3.
* One descriptor in the TX ring is used as a sentinel to avoid a
* H/W race condition, hence the maximum threshold constraints.
* When set to zero use default values.
*/
- tx_rs_thresh = (tx_conf->tx_rs_thresh) ?
- tx_conf->tx_rs_thresh : DEFAULT_TX_RS_THRESH;
- tx_free_thresh = (tx_conf->tx_free_thresh) ?
- tx_conf->tx_free_thresh : DEFAULT_TX_FREE_THRESH;
+ tx_rs_thresh = (uint16_t)((tx_conf->tx_rs_thresh) ?
+ tx_conf->tx_rs_thresh : DEFAULT_TX_RS_THRESH);
+ tx_free_thresh = (uint16_t)((tx_conf->tx_free_thresh) ?
+ tx_conf->tx_free_thresh : DEFAULT_TX_FREE_THRESH);
if (tx_rs_thresh >= (nb_desc - 2)) {
- RTE_LOG(ERR, PMD,
- "tx_rs_thresh must be less than the "
- "number of TX descriptors minus 2. "
- "(tx_rs_thresh=%u port=%d queue=%d)",
- tx_rs_thresh, dev->data->port_id, queue_idx);
+ RTE_LOG(ERR, PMD, "tx_rs_thresh must be less than the number "
+ "of TX descriptors minus 2. (tx_rs_thresh=%u port=%d "
+ "queue=%d)\n", (unsigned int)tx_rs_thresh,
+ (int)dev->data->port_id, (int)queue_idx);
return -(EINVAL);
}
if (tx_free_thresh >= (nb_desc - 3)) {
- RTE_LOG(ERR, PMD,
- "tx_rs_thresh must be less than the "
- "tx_free_thresh must be less than the "
- "number of TX descriptors minus 3. "
- "(tx_free_thresh=%u port=%d queue=%d)",
- tx_free_thresh, dev->data->port_id, queue_idx);
+ RTE_LOG(ERR, PMD, "tx_rs_thresh must be less than the "
+ "tx_free_thresh must be less than the number of TX "
+ "descriptors minus 3. (tx_free_thresh=%u port=%d "
+ "queue=%d)\n", (unsigned int)tx_free_thresh,
+ (int)dev->data->port_id, (int)queue_idx);
return -(EINVAL);
}
if (tx_rs_thresh > tx_free_thresh) {
- RTE_LOG(ERR, PMD,
- "tx_rs_thresh must be less than or equal to "
- "tx_free_thresh. "
- "(tx_free_thresh=%u tx_rs_thresh=%u "
- "port=%d queue=%d)",
- tx_free_thresh, tx_rs_thresh,
- dev->data->port_id, queue_idx);
+ RTE_LOG(ERR, PMD, "tx_rs_thresh must be less than or equal to "
+ "tx_free_thresh. (tx_free_thresh=%u tx_rs_thresh=%u "
+ "port=%d queue=%d)\n", (unsigned int)tx_free_thresh,
+ (unsigned int)tx_rs_thresh, (int)dev->data->port_id,
+ (int)queue_idx);
+ return -(EINVAL);
+ }
+ if ((nb_desc % tx_rs_thresh) != 0) {
+ RTE_LOG(ERR, PMD, "tx_rs_thresh must be a divisor of the "
+ "number of TX descriptors. (tx_rs_thresh=%u port=%d "
+ "queue=%d)\n", (unsigned int)tx_rs_thresh,
+ (int)dev->data->port_id, (int)queue_idx);
return -(EINVAL);
}
* accumulates WTHRESH descriptors.
*/
if ((tx_rs_thresh > 1) && (tx_conf->tx_thresh.wthresh != 0)) {
- RTE_LOG(ERR, PMD,
- "TX WTHRESH should be set to 0 if "
- "tx_rs_thresh is greater than 1. "
- "TX WTHRESH will be set to 0. "
- "(tx_rs_thresh=%u port=%d queue=%d)",
- tx_rs_thresh,
- dev->data->port_id, queue_idx);
+ RTE_LOG(ERR, PMD, "TX WTHRESH must be set to 0 if "
+ "tx_rs_thresh is greater than 1. (tx_rs_thresh=%u "
+ "port=%d queue=%d)\n", (unsigned int)tx_rs_thresh,
+ (int)dev->data->port_id, (int)queue_idx);
return -(EINVAL);
}
/* Free memory prior to re-allocation if needed... */
- if (dev->data->tx_queues[queue_idx] != NULL)
+ if (dev->data->tx_queues[queue_idx] != NULL) {
ixgbe_tx_queue_release(dev->data->tx_queues[queue_idx]);
+ dev->data->tx_queues[queue_idx] = NULL;
+ }
/* First allocate the tx queue data structure */
- txq = rte_zmalloc("ethdev TX queue", sizeof(struct igb_tx_queue),
- CACHE_LINE_SIZE);
+ txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct igb_tx_queue),
+ CACHE_LINE_SIZE, socket_id);
if (txq == NULL)
return (-ENOMEM);
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->txq_flags = tx_conf->txq_flags;
+ txq->ops = &def_txq_ops;
+ txq->start_tx_per_q = tx_conf->start_tx_per_q;
/*
* Modification to set VFTDT for virtual function if vf is detected
if (hw->mac.type == ixgbe_mac_82599_vf)
txq->tdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_VFTDT(queue_idx));
else
- txq->tdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_TDT(queue_idx));
-
+ txq->tdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_TDT(txq->reg_idx));
+#ifndef RTE_LIBRTE_XEN_DOM0
txq->tx_ring_phys_addr = (uint64_t) tz->phys_addr;
+#else
+ txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+#endif
txq->tx_ring = (union ixgbe_adv_tx_desc *) tz->addr;
/* Allocate software ring */
- txq->sw_ring = rte_zmalloc("txq->sw_ring",
- sizeof(struct igb_tx_entry) * nb_desc,
- CACHE_LINE_SIZE);
+ txq->sw_ring = rte_zmalloc_socket("txq->sw_ring",
+ sizeof(struct igb_tx_entry) * nb_desc,
+ CACHE_LINE_SIZE, socket_id);
if (txq->sw_ring == NULL) {
ixgbe_tx_queue_release(txq);
return (-ENOMEM);
PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64"\n",
txq->sw_ring, txq->tx_ring, txq->tx_ring_phys_addr);
- ixgbe_reset_tx_queue(txq);
+ /* Use a simple Tx queue (no offloads, no multi segs) if possible */
+ if (((txq->txq_flags & IXGBE_SIMPLE_FLAGS) == IXGBE_SIMPLE_FLAGS) &&
+ (txq->tx_rs_thresh >= RTE_PMD_IXGBE_TX_MAX_BURST)) {
+ PMD_INIT_LOG(INFO, "Using simple tx code path\n");
+#ifdef RTE_IXGBE_INC_VECTOR
+ if (txq->tx_rs_thresh <= RTE_IXGBE_TX_MAX_FREE_BUF_SZ &&
+ ixgbe_txq_vec_setup(txq, socket_id) == 0) {
+ PMD_INIT_LOG(INFO, "Vector tx enabled.\n");
+ dev->tx_pkt_burst = ixgbe_xmit_pkts_vec;
+ }
+ else
+#endif
+ dev->tx_pkt_burst = ixgbe_xmit_pkts_simple;
+ } else {
+ PMD_INIT_LOG(INFO, "Using full-featured tx code path\n");
+ PMD_INIT_LOG(INFO, " - txq_flags = %lx [IXGBE_SIMPLE_FLAGS=%lx]\n", (long unsigned)txq->txq_flags, (long unsigned)IXGBE_SIMPLE_FLAGS);
+ PMD_INIT_LOG(INFO, " - tx_rs_thresh = %lu [RTE_PMD_IXGBE_TX_MAX_BURST=%lu]\n", (long unsigned)txq->tx_rs_thresh, (long unsigned)RTE_PMD_IXGBE_TX_MAX_BURST);
+ dev->tx_pkt_burst = ixgbe_xmit_pkts;
+ }
+
+ txq->ops->reset(txq);
dev->data->tx_queues[queue_idx] = txq;
- dev->tx_pkt_burst = ixgbe_xmit_pkts;
return (0);
}
rxq->sw_ring[i].mbuf = NULL;
}
}
+#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
+ if (rxq->rx_nb_avail) {
+ for (i = 0; i < rxq->rx_nb_avail; ++i) {
+ struct rte_mbuf *mb;
+ mb = rxq->rx_stage[rxq->rx_next_avail + i];
+ rte_pktmbuf_free_seg(mb);
+ }
+ rxq->rx_nb_avail = 0;
+ }
+#endif
}
}
static void
ixgbe_rx_queue_release(struct igb_rx_queue *rxq)
{
- ixgbe_rx_queue_release_mbufs(rxq);
- rte_free(rxq->sw_ring);
- rte_free(rxq);
+ if (rxq != NULL) {
+ ixgbe_rx_queue_release_mbufs(rxq);
+ rte_free(rxq->sw_ring);
+ rte_free(rxq);
+ }
}
-int
-ixgbe_dev_rx_queue_alloc(struct rte_eth_dev *dev, uint16_t nb_queues)
+void
+ixgbe_dev_rx_queue_release(void *rxq)
{
- uint16_t old_nb_queues = dev->data->nb_rx_queues;
- struct igb_rx_queue **rxq;
- unsigned i;
+ ixgbe_rx_queue_release(rxq);
+}
- PMD_INIT_FUNC_TRACE();
+/*
+ * Check if Rx Burst Bulk Alloc function can be used.
+ * Return
+ * 0: the preconditions are satisfied and the bulk allocation function
+ * can be used.
+ * -EINVAL: the preconditions are NOT satisfied and the default Rx burst
+ * function must be used.
+ */
+static inline int
+#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
+check_rx_burst_bulk_alloc_preconditions(struct igb_rx_queue *rxq)
+#else
+check_rx_burst_bulk_alloc_preconditions(__rte_unused struct igb_rx_queue *rxq)
+#endif
+{
+ int ret = 0;
- if (dev->data->rx_queues == NULL) {
- dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
- sizeof(struct igb_rx_queue *) * nb_queues,
- CACHE_LINE_SIZE);
- if (dev->data->rx_queues == NULL) {
- dev->data->nb_rx_queues = 0;
- return -ENOMEM;
- }
- }
- else {
- for (i = nb_queues; i < old_nb_queues; i++)
- ixgbe_rx_queue_release(dev->data->rx_queues[i]);
- rxq = rte_realloc(dev->data->rx_queues,
- sizeof(struct igb_rx_queue *) * nb_queues,
- CACHE_LINE_SIZE);
- if (rxq == NULL)
- return -ENOMEM;
- else
- dev->data->rx_queues = rxq;
- if (nb_queues > old_nb_queues)
- memset(&dev->data->rx_queues[old_nb_queues], 0,
- sizeof(struct igb_rx_queue *) *
- (nb_queues - old_nb_queues));
- }
- dev->data->nb_rx_queues = nb_queues;
- return 0;
+ /*
+ * Make sure the following pre-conditions are satisfied:
+ * 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.
+ */
+#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
+ if (! (rxq->rx_free_thresh >= RTE_PMD_IXGBE_RX_MAX_BURST))
+ ret = -EINVAL;
+ else if (! (rxq->rx_free_thresh < rxq->nb_rx_desc))
+ ret = -EINVAL;
+ else if (! ((rxq->nb_rx_desc % rxq->rx_free_thresh) == 0))
+ ret = -EINVAL;
+ else if (! (rxq->nb_rx_desc <
+ (IXGBE_MAX_RING_DESC - RTE_PMD_IXGBE_RX_MAX_BURST)))
+ ret = -EINVAL;
+#else
+ ret = -EINVAL;
+#endif
+
+ return ret;
}
-/* (Re)set dynamic igb_rx_queue fields to defaults */
+/* Reset dynamic igb_rx_queue fields back to defaults */
static void
ixgbe_reset_rx_queue(struct igb_rx_queue *rxq)
{
+ static const union ixgbe_adv_rx_desc zeroed_desc = { .read = {
+ .pkt_addr = 0}};
unsigned i;
+ uint16_t len;
- /* Zero out HW ring memory */
- for (i = 0; i < rxq->nb_rx_desc * sizeof(union ixgbe_adv_rx_desc); i++) {
- ((volatile char *)rxq->rx_ring)[i] = 0;
+ /*
+ * 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.
+ */
+#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
+ if (check_rx_burst_bulk_alloc_preconditions(rxq) == 0)
+ /* zero out extra memory */
+ len = (uint16_t)(rxq->nb_rx_desc + RTE_PMD_IXGBE_RX_MAX_BURST);
+ else
+#endif
+ /* do not zero out extra memory */
+ len = rxq->nb_rx_desc;
+
+ /*
+ * Zero out HW ring memory. Zero out extra memory at the end of
+ * the H/W ring so look-ahead logic in Rx Burst bulk alloc function
+ * reads extra memory as zeros.
+ */
+ for (i = 0; i < len; i++) {
+ rxq->rx_ring[i] = zeroed_desc;
}
+#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
+ /*
+ * initialize extra software ring entries. Space for these extra
+ * entries is always allocated
+ */
+ memset(&rxq->fake_mbuf, 0x0, sizeof(rxq->fake_mbuf));
+ for (i = 0; i < RTE_PMD_IXGBE_RX_MAX_BURST; ++i) {
+ rxq->sw_ring[rxq->nb_rx_desc + i].mbuf = &rxq->fake_mbuf;
+ }
+
+ rxq->rx_nb_avail = 0;
+ rxq->rx_next_avail = 0;
+ rxq->rx_free_trigger = (uint16_t)(rxq->rx_free_thresh - 1);
+#endif /* RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC */
rxq->rx_tail = 0;
rxq->nb_rx_hold = 0;
rxq->pkt_first_seg = NULL;
const struct rte_memzone *rz;
struct igb_rx_queue *rxq;
struct ixgbe_hw *hw;
+ int use_def_burst_func = 1;
+ uint16_t len;
PMD_INIT_FUNC_TRACE();
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
}
/* Free memory prior to re-allocation if needed... */
- if (dev->data->rx_queues[queue_idx] != NULL)
+ if (dev->data->rx_queues[queue_idx] != NULL) {
ixgbe_rx_queue_release(dev->data->rx_queues[queue_idx]);
+ dev->data->rx_queues[queue_idx] = NULL;
+ }
/* First allocate the rx queue data structure */
- rxq = rte_zmalloc("ethdev RX queue", sizeof(struct igb_rx_queue),
- CACHE_LINE_SIZE);
+ rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct igb_rx_queue),
+ CACHE_LINE_SIZE, socket_id);
if (rxq == NULL)
return (-ENOMEM);
rxq->mb_pool = mp;
rxq->nb_rx_desc = nb_desc;
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);
+ rxq->crc_len = (uint8_t) ((dev->data->dev_conf.rxmode.hw_strip_crc) ?
+ 0 : ETHER_CRC_LEN);
+ rxq->drop_en = rx_conf->rx_drop_en;
+ rxq->start_rx_per_q = rx_conf->start_rx_per_q;
/*
- * Allocate TX ring hardware descriptors. A memzone large enough to
+ * Allocate RX ring hardware descriptors. A memzone large enough to
* handle the maximum ring size is allocated in order to allow for
* resizing in later calls to the queue setup function.
*/
rz = ring_dma_zone_reserve(dev, "rx_ring", queue_idx,
- IXGBE_MAX_RING_DESC * sizeof(union ixgbe_adv_rx_desc),
- socket_id);
+ RX_RING_SZ, socket_id);
if (rz == NULL) {
ixgbe_rx_queue_release(rxq);
return (-ENOMEM);
}
+
/*
- * Modified to setup VFRDT for Virtual Function
+ * Zero init all the descriptors in the ring.
*/
- if (hw->mac.type == ixgbe_mac_82599_vf)
- rxq->rdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_VFRDT(queue_idx));
- else
- rxq->rdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_RDT(queue_idx));
+ memset (rz->addr, 0, RX_RING_SZ);
+ /*
+ * Modified to setup VFRDT for Virtual Function
+ */
+ if (hw->mac.type == ixgbe_mac_82599_vf) {
+ rxq->rdt_reg_addr =
+ IXGBE_PCI_REG_ADDR(hw, IXGBE_VFRDT(queue_idx));
+ rxq->rdh_reg_addr =
+ IXGBE_PCI_REG_ADDR(hw, IXGBE_VFRDH(queue_idx));
+ }
+ else {
+ rxq->rdt_reg_addr =
+ IXGBE_PCI_REG_ADDR(hw, IXGBE_RDT(rxq->reg_idx));
+ rxq->rdh_reg_addr =
+ IXGBE_PCI_REG_ADDR(hw, IXGBE_RDH(rxq->reg_idx));
+ }
+#ifndef RTE_LIBRTE_XEN_DOM0
rxq->rx_ring_phys_addr = (uint64_t) rz->phys_addr;
+#else
+ rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+#endif
rxq->rx_ring = (union ixgbe_adv_rx_desc *) rz->addr;
- /* Allocate software ring */
- rxq->sw_ring = rte_zmalloc("rxq->sw_ring",
- sizeof(struct igb_rx_entry) * nb_desc,
- CACHE_LINE_SIZE);
+ /*
+ * Allocate software ring. Allow for space at the end of the
+ * S/W ring to make sure look-ahead logic in bulk alloc Rx burst
+ * function does not access an invalid memory region.
+ */
+#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
+ len = (uint16_t)(nb_desc + RTE_PMD_IXGBE_RX_MAX_BURST);
+#else
+ len = nb_desc;
+#endif
+ rxq->sw_ring = rte_zmalloc_socket("rxq->sw_ring",
+ sizeof(struct igb_rx_entry) * len,
+ CACHE_LINE_SIZE, socket_id);
if (rxq->sw_ring == NULL) {
ixgbe_rx_queue_release(rxq);
return (-ENOMEM);
PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64"\n",
rxq->sw_ring, rxq->rx_ring, rxq->rx_ring_phys_addr);
+ /*
+ * Certain constraints must be met in order to use the bulk buffer
+ * allocation Rx burst function.
+ */
+ use_def_burst_func = check_rx_burst_bulk_alloc_preconditions(rxq);
+
+ /* Check if pre-conditions are satisfied, and no Scattered Rx */
+ if (!use_def_burst_func && !dev->data->scattered_rx) {
+#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
+ PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are "
+ "satisfied. Rx Burst Bulk Alloc function will be "
+ "used on port=%d, queue=%d.\n",
+ rxq->port_id, rxq->queue_id);
+ dev->rx_pkt_burst = ixgbe_recv_pkts_bulk_alloc;
+#ifdef RTE_IXGBE_INC_VECTOR
+ if (!ixgbe_rx_vec_condition_check(dev)) {
+ PMD_INIT_LOG(INFO, "Vector rx enabled, please make "
+ "sure RX burst size no less than 32.\n");
+ ixgbe_rxq_vec_setup(rxq, socket_id);
+ dev->rx_pkt_burst = ixgbe_recv_pkts_vec;
+ }
+#endif
+#endif
+ } else {
+ PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions "
+ "are not satisfied, Scattered Rx is requested, "
+ "or RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC is not "
+ "enabled (port=%d, queue=%d).\n",
+ rxq->port_id, rxq->queue_id);
+ }
dev->data->rx_queues[queue_idx] = rxq;
ixgbe_reset_rx_queue(rxq);
return 0;
}
+uint32_t
+ixgbe_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+#define IXGBE_RXQ_SCAN_INTERVAL 4
+ volatile union ixgbe_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 & IXGBE_RXDADV_STAT_DD)) {
+ desc += IXGBE_RXQ_SCAN_INTERVAL;
+ rxdp += IXGBE_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 desc;
+}
+
+int
+ixgbe_dev_rx_descriptor_done(void *rx_queue, uint16_t offset)
+{
+ volatile union ixgbe_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 & IXGBE_RXDADV_STAT_DD);
+}
+
void
ixgbe_dev_clear_queues(struct rte_eth_dev *dev)
{
for (i = 0; i < dev->data->nb_tx_queues; i++) {
struct igb_tx_queue *txq = dev->data->tx_queues[i];
- ixgbe_tx_queue_release_mbufs(txq);
- ixgbe_reset_tx_queue(txq);
+ if (txq != NULL) {
+ txq->ops->release_mbufs(txq);
+ txq->ops->reset(txq);
+ }
}
for (i = 0; i < dev->data->nb_rx_queues; i++) {
struct igb_rx_queue *rxq = dev->data->rx_queues[i];
- ixgbe_rx_queue_release_mbufs(rxq);
- ixgbe_reset_rx_queue(rxq);
+ if (rxq != NULL) {
+ ixgbe_rx_queue_release_mbufs(rxq);
+ ixgbe_reset_rx_queue(rxq);
+ }
}
}
}
static void
-ixgbe_rss_configure(struct rte_eth_dev *dev)
+ixgbe_hw_rss_hash_set(struct ixgbe_hw *hw, struct rte_eth_rss_conf *rss_conf)
{
- struct ixgbe_hw *hw;
- uint8_t *hash_key;
- uint32_t rss_key;
+ uint8_t *hash_key;
uint32_t mrqc;
- uint32_t reta;
- uint16_t rss_hf;
+ uint32_t rss_key;
+ uint64_t rss_hf;
uint16_t i;
- uint16_t j;
-
- PMD_INIT_FUNC_TRACE();
- hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
- if (rss_hf == 0) { /* Disable RSS */
- ixgbe_rss_disable(dev);
- return;
- }
- hash_key = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key;
- if (hash_key == NULL)
- hash_key = rss_intel_key; /* Default hash key */
- /* Fill in RSS hash key */
- for (i = 0; i < 10; i++) {
- rss_key = hash_key[(i * 4)];
- rss_key |= hash_key[(i * 4) + 1] << 8;
- rss_key |= hash_key[(i * 4) + 2] << 16;
- rss_key |= hash_key[(i * 4) + 3] << 24;
- IXGBE_WRITE_REG_ARRAY(hw, IXGBE_RSSRK(0), i, rss_key);
- }
-
- /* Fill in redirection table */
- reta = 0;
- for (i = 0, j = 0; i < 128; i++, j++) {
- if (j == dev->data->nb_rx_queues) j = 0;
- reta = (reta << 8) | j;
- if ((i & 3) == 3)
- IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), rte_bswap32(reta));
+ hash_key = rss_conf->rss_key;
+ if (hash_key != NULL) {
+ /* Fill in RSS hash key */
+ for (i = 0; i < 10; i++) {
+ rss_key = hash_key[(i * 4)];
+ rss_key |= hash_key[(i * 4) + 1] << 8;
+ rss_key |= hash_key[(i * 4) + 2] << 16;
+ rss_key |= hash_key[(i * 4) + 3] << 24;
+ IXGBE_WRITE_REG_ARRAY(hw, IXGBE_RSSRK(0), i, rss_key);
+ }
}
- /* Set configured hashing functions in MRQC register */
- mrqc = IXGBE_MRQC_RSSEN; /* RSS enable */
+ /* Set configured hashing protocols in MRQC register */
+ rss_hf = rss_conf->rss_hf;
+ mrqc = IXGBE_MRQC_RSSEN; /* Enable RSS */
if (rss_hf & ETH_RSS_IPV4)
mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4;
if (rss_hf & ETH_RSS_IPV4_TCP)
IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
}
+int
+ixgbe_dev_rss_hash_update(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct ixgbe_hw *hw;
+ uint32_t mrqc;
+ uint64_t rss_hf;
+
+ hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ /*
+ * Excerpt from section 7.1.2.8 Receive-Side Scaling (RSS):
+ * "RSS enabling cannot be done dynamically while it must be
+ * preceded by a software reset"
+ * Before changing anything, first check that the update RSS operation
+ * does not attempt to disable RSS, if RSS was enabled at
+ * initialization time, or does not attempt to enable RSS, if RSS was
+ * disabled at initialization time.
+ */
+ rss_hf = rss_conf->rss_hf & IXGBE_RSS_OFFLOAD_ALL;
+ mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
+ if (!(mrqc & IXGBE_MRQC_RSSEN)) { /* RSS disabled */
+ if (rss_hf != 0) /* Enable RSS */
+ return -(EINVAL);
+ return 0; /* Nothing to do */
+ }
+ /* RSS enabled */
+ if (rss_hf == 0) /* Disable RSS */
+ return -(EINVAL);
+ ixgbe_hw_rss_hash_set(hw, rss_conf);
+ return 0;
+}
+
+int
+ixgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct ixgbe_hw *hw;
+ uint8_t *hash_key;
+ uint32_t mrqc;
+ uint32_t rss_key;
+ uint64_t rss_hf;
+ uint16_t i;
+
+ hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ hash_key = rss_conf->rss_key;
+ if (hash_key != NULL) {
+ /* Return RSS hash key */
+ for (i = 0; i < 10; i++) {
+ rss_key = IXGBE_READ_REG_ARRAY(hw, IXGBE_RSSRK(0), i);
+ hash_key[(i * 4)] = rss_key & 0x000000FF;
+ hash_key[(i * 4) + 1] = (rss_key >> 8) & 0x000000FF;
+ hash_key[(i * 4) + 2] = (rss_key >> 16) & 0x000000FF;
+ hash_key[(i * 4) + 3] = (rss_key >> 24) & 0x000000FF;
+ }
+ }
+
+ /* Get RSS functions configured in MRQC register */
+ mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
+ if ((mrqc & IXGBE_MRQC_RSSEN) == 0) { /* RSS is disabled */
+ rss_conf->rss_hf = 0;
+ return 0;
+ }
+ rss_hf = 0;
+ if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV4)
+ rss_hf |= ETH_RSS_IPV4;
+ if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV4_TCP)
+ rss_hf |= ETH_RSS_IPV4_TCP;
+ if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6)
+ rss_hf |= ETH_RSS_IPV6;
+ if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_EX)
+ rss_hf |= ETH_RSS_IPV6_EX;
+ if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_TCP)
+ rss_hf |= ETH_RSS_IPV6_TCP;
+ if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP)
+ rss_hf |= ETH_RSS_IPV6_TCP_EX;
+ if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV4_UDP)
+ rss_hf |= ETH_RSS_IPV4_UDP;
+ if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_UDP)
+ rss_hf |= ETH_RSS_IPV6_UDP;
+ if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP)
+ rss_hf |= ETH_RSS_IPV6_UDP_EX;
+ rss_conf->rss_hf = rss_hf;
+ return 0;
+}
+
+static void
+ixgbe_rss_configure(struct rte_eth_dev *dev)
+{
+ struct rte_eth_rss_conf rss_conf;
+ struct ixgbe_hw *hw;
+ uint32_t reta;
+ uint16_t i;
+ uint16_t j;
+
+ PMD_INIT_FUNC_TRACE();
+ hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ /*
+ * Fill in redirection table
+ * The byte-swap is needed because NIC registers are in
+ * little-endian order.
+ */
+ reta = 0;
+ for (i = 0, j = 0; i < 128; i++, j++) {
+ if (j == dev->data->nb_rx_queues)
+ j = 0;
+ reta = (reta << 8) | j;
+ if ((i & 3) == 3)
+ IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2),
+ rte_bswap32(reta));
+ }
+
+ /*
+ * Configure the RSS key and the RSS protocols used to compute
+ * the RSS hash of input packets.
+ */
+ rss_conf = dev->data->dev_conf.rx_adv_conf.rss_conf;
+ if ((rss_conf.rss_hf & IXGBE_RSS_OFFLOAD_ALL) == 0) {
+ ixgbe_rss_disable(dev);
+ return;
+ }
+ if (rss_conf.rss_key == NULL)
+ rss_conf.rss_key = rss_intel_key; /* Default hash key */
+ ixgbe_hw_rss_hash_set(hw, &rss_conf);
+}
+
#define NUM_VFTA_REGISTERS 128
#define NIC_RX_BUFFER_SIZE 0x200
} else {
vt_ctl |= IXGBE_VT_CTL_DIS_DEFPL;
}
+
IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vt_ctl);
/* RTRUP2TC: mapping user priorities to traffic classes (TCs) */
IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), \
num_pools == ETH_16_POOLS ? 0xFFFF : 0xFFFFFFFF);
- /*
- * MPSAR - allow pools to read specific mac addresses
- * In this case, all pools should be able to read from mac addr 0
- */
- IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(0), 0xFFFFFFFF);
- IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(0), 0xFFFFFFFF);
+ /*
+ * MPSAR - allow pools to read specific mac addresses
+ * In this case, all pools should be able to read from mac addr 0
+ */
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(0), 0xFFFFFFFF);
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(0), 0xFFFFFFFF);
+
+ /* PFVLVF, PFVLVFB: 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 */
+ IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), (IXGBE_VLVF_VIEN | \
+ (cfg->pool_map[i].vlan_id & 0xFFF)));
+ /*
+ * Put the allowed pools in VFB reg. As we only have 16 or 32
+ * pools, we only need to use the first half of the register
+ * i.e. bits 0-31
+ */
+ IXGBE_WRITE_REG(hw, IXGBE_VLVFB(i*2), cfg->pool_map[i].pools);
+ }
+}
+
+/**
+ * ixgbe_dcb_config_tx_hw_config - Configure general DCB TX parameters
+ * @hw: pointer to hardware structure
+ * @dcb_config: pointer to ixgbe_dcb_config structure
+ */
+static void
+ixgbe_dcb_tx_hw_config(struct ixgbe_hw *hw,
+ struct ixgbe_dcb_config *dcb_config)
+{
+ uint32_t reg;
+ uint32_t q;
+
+ PMD_INIT_FUNC_TRACE();
+ if (hw->mac.type != ixgbe_mac_82598EB) {
+ /* Disable the Tx desc arbiter so that MTQC can be changed */
+ reg = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
+ reg |= IXGBE_RTTDCS_ARBDIS;
+ IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg);
+
+ /* Enable DCB for Tx with 8 TCs */
+ if (dcb_config->num_tcs.pg_tcs == 8) {
+ reg = IXGBE_MTQC_RT_ENA | IXGBE_MTQC_8TC_8TQ;
+ }
+ else {
+ reg = IXGBE_MTQC_RT_ENA | IXGBE_MTQC_4TC_4TQ;
+ }
+ if (dcb_config->vt_mode)
+ 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;
+ IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg);
+
+ /* Enable Security TX Buffer IFG for DCB */
+ reg = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG);
+ reg |= IXGBE_SECTX_DCB;
+ IXGBE_WRITE_REG(hw, IXGBE_SECTXMINIFG, reg);
+ }
+ return;
+}
+
+/**
+ * ixgbe_vmdq_dcb_hw_tx_config - Configure general VMDQ+DCB TX parameters
+ * @dev: pointer to rte_eth_dev structure
+ * @dcb_config: pointer to ixgbe_dcb_config structure
+ */
+static void
+ixgbe_vmdq_dcb_hw_tx_config(struct rte_eth_dev *dev,
+ struct ixgbe_dcb_config *dcb_config)
+{
+ struct rte_eth_vmdq_dcb_tx_conf *vmdq_tx_conf =
+ &dev->data->dev_conf.tx_adv_conf.vmdq_dcb_tx_conf;
+ struct ixgbe_hw *hw =
+ IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ PMD_INIT_FUNC_TRACE();
+ if (hw->mac.type != ixgbe_mac_82598EB)
+ /*PF VF Transmit Enable*/
+ IXGBE_WRITE_REG(hw, IXGBE_VFTE(0),
+ vmdq_tx_conf->nb_queue_pools == ETH_16_POOLS ? 0xFFFF : 0xFFFFFFFF);
+
+ /*Configure general DCB TX parameters*/
+ ixgbe_dcb_tx_hw_config(hw,dcb_config);
+ return;
+}
+
+static void
+ixgbe_vmdq_dcb_rx_config(struct rte_eth_dev *dev,
+ struct ixgbe_dcb_config *dcb_config)
+{
+ struct rte_eth_vmdq_dcb_conf *vmdq_rx_conf =
+ &dev->data->dev_conf.rx_adv_conf.vmdq_dcb_conf;
+ struct ixgbe_dcb_tc_config *tc;
+ uint8_t i,j;
+
+ /* convert rte_eth_conf.rx_adv_conf to struct ixgbe_dcb_config */
+ if (vmdq_rx_conf->nb_queue_pools == ETH_16_POOLS ) {
+ dcb_config->num_tcs.pg_tcs = ETH_8_TCS;
+ dcb_config->num_tcs.pfc_tcs = ETH_8_TCS;
+ }
+ else {
+ dcb_config->num_tcs.pg_tcs = ETH_4_TCS;
+ dcb_config->num_tcs.pfc_tcs = ETH_4_TCS;
+ }
+ /* User Priority to Traffic Class mapping */
+ for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
+ j = vmdq_rx_conf->dcb_queue[i];
+ tc = &dcb_config->tc_config[j];
+ tc->path[IXGBE_DCB_RX_CONFIG].up_to_tc_bitmap =
+ (uint8_t)(1 << j);
+ }
+}
+
+static void
+ixgbe_dcb_vt_tx_config(struct rte_eth_dev *dev,
+ struct ixgbe_dcb_config *dcb_config)
+{
+ struct rte_eth_vmdq_dcb_tx_conf *vmdq_tx_conf =
+ &dev->data->dev_conf.tx_adv_conf.vmdq_dcb_tx_conf;
+ struct ixgbe_dcb_tc_config *tc;
+ uint8_t i,j;
+
+ /* convert rte_eth_conf.rx_adv_conf to struct ixgbe_dcb_config */
+ if (vmdq_tx_conf->nb_queue_pools == ETH_16_POOLS ) {
+ dcb_config->num_tcs.pg_tcs = ETH_8_TCS;
+ dcb_config->num_tcs.pfc_tcs = ETH_8_TCS;
+ }
+ else {
+ dcb_config->num_tcs.pg_tcs = ETH_4_TCS;
+ dcb_config->num_tcs.pfc_tcs = ETH_4_TCS;
+ }
+
+ /* User Priority to Traffic Class mapping */
+ for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
+ j = vmdq_tx_conf->dcb_queue[i];
+ tc = &dcb_config->tc_config[j];
+ tc->path[IXGBE_DCB_TX_CONFIG].up_to_tc_bitmap =
+ (uint8_t)(1 << j);
+ }
+ return;
+}
+
+static void
+ixgbe_dcb_rx_config(struct rte_eth_dev *dev,
+ struct ixgbe_dcb_config *dcb_config)
+{
+ struct rte_eth_dcb_rx_conf *rx_conf =
+ &dev->data->dev_conf.rx_adv_conf.dcb_rx_conf;
+ struct ixgbe_dcb_tc_config *tc;
+ uint8_t i,j;
+
+ dcb_config->num_tcs.pg_tcs = (uint8_t)rx_conf->nb_tcs;
+ dcb_config->num_tcs.pfc_tcs = (uint8_t)rx_conf->nb_tcs;
+
+ /* User Priority to Traffic Class mapping */
+ for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
+ j = rx_conf->dcb_queue[i];
+ tc = &dcb_config->tc_config[j];
+ tc->path[IXGBE_DCB_RX_CONFIG].up_to_tc_bitmap =
+ (uint8_t)(1 << j);
+ }
+}
+
+static void
+ixgbe_dcb_tx_config(struct rte_eth_dev *dev,
+ struct ixgbe_dcb_config *dcb_config)
+{
+ struct rte_eth_dcb_tx_conf *tx_conf =
+ &dev->data->dev_conf.tx_adv_conf.dcb_tx_conf;
+ struct ixgbe_dcb_tc_config *tc;
+ uint8_t i,j;
+
+ dcb_config->num_tcs.pg_tcs = (uint8_t)tx_conf->nb_tcs;
+ dcb_config->num_tcs.pfc_tcs = (uint8_t)tx_conf->nb_tcs;
+
+ /* User Priority to Traffic Class mapping */
+ for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
+ j = tx_conf->dcb_queue[i];
+ tc = &dcb_config->tc_config[j];
+ tc->path[IXGBE_DCB_TX_CONFIG].up_to_tc_bitmap =
+ (uint8_t)(1 << j);
+ }
+}
+
+/**
+ * ixgbe_dcb_rx_hw_config - Configure general DCB RX HW parameters
+ * @hw: pointer to hardware 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)
+{
+ uint32_t reg;
+ uint32_t vlanctrl;
+ uint8_t i;
+
+ PMD_INIT_FUNC_TRACE();
+ /*
+ * Disable the arbiter before changing parameters
+ * (always enable recycle mode; WSP)
+ */
+ reg = IXGBE_RTRPCS_RRM | IXGBE_RTRPCS_RAC | IXGBE_RTRPCS_ARBDIS;
+ IXGBE_WRITE_REG(hw, IXGBE_RTRPCS, reg);
+
+ if (hw->mac.type != ixgbe_mac_82598EB) {
+ reg = IXGBE_READ_REG(hw, IXGBE_MRQC);
+ if (dcb_config->num_tcs.pg_tcs == 4) {
+ if (dcb_config->vt_mode)
+ reg = (reg & ~IXGBE_MRQC_MRQE_MASK) |
+ IXGBE_MRQC_VMDQRT4TCEN;
+ else {
+ IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, 0);
+ reg = (reg & ~IXGBE_MRQC_MRQE_MASK) |
+ IXGBE_MRQC_RT4TCEN;
+ }
+ }
+ if (dcb_config->num_tcs.pg_tcs == 8) {
+ if (dcb_config->vt_mode)
+ reg = (reg & ~IXGBE_MRQC_MRQE_MASK) |
+ IXGBE_MRQC_VMDQRT8TCEN;
+ else {
+ IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, 0);
+ reg = (reg & ~IXGBE_MRQC_MRQE_MASK) |
+ IXGBE_MRQC_RT8TCEN;
+ }
+ }
+
+ IXGBE_WRITE_REG(hw, IXGBE_MRQC, reg);
+ }
+
+ /* VLNCTRL: enable vlan filtering and allow all vlan tags through */
+ vlanctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+ vlanctrl |= IXGBE_VLNCTRL_VFE ; /* enable vlan filters */
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlanctrl);
+
+ /* VFTA - enable all vlan filters */
+ for (i = 0; i < NUM_VFTA_REGISTERS; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), 0xFFFFFFFF);
+ }
+
+ /*
+ * Configure Rx packet plane (recycle mode; WSP) and
+ * enable arbiter
+ */
+ reg = IXGBE_RTRPCS_RRM | IXGBE_RTRPCS_RAC;
+ IXGBE_WRITE_REG(hw, IXGBE_RTRPCS, reg);
+
+ return;
+}
+
+static void
+ixgbe_dcb_hw_arbite_rx_config(struct ixgbe_hw *hw, uint16_t *refill,
+ uint16_t *max,uint8_t *bwg_id, uint8_t *tsa, uint8_t *map)
+{
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ ixgbe_dcb_config_rx_arbiter_82598(hw, refill, max, tsa);
+ break;
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ ixgbe_dcb_config_rx_arbiter_82599(hw, refill, max, bwg_id,
+ tsa, map);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+ixgbe_dcb_hw_arbite_tx_config(struct ixgbe_hw *hw, uint16_t *refill, uint16_t *max,
+ uint8_t *bwg_id, uint8_t *tsa, uint8_t *map)
+{
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ ixgbe_dcb_config_tx_desc_arbiter_82598(hw, refill, max, bwg_id,tsa);
+ ixgbe_dcb_config_tx_data_arbiter_82598(hw, refill, max, bwg_id,tsa);
+ break;
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ ixgbe_dcb_config_tx_desc_arbiter_82599(hw, refill, max, bwg_id,tsa);
+ ixgbe_dcb_config_tx_data_arbiter_82599(hw, refill, max, bwg_id,tsa, map);
+ break;
+ default:
+ break;
+ }
+}
+
+#define DCB_RX_CONFIG 1
+#define DCB_TX_CONFIG 1
+#define DCB_TX_PB 1024
+/**
+ * ixgbe_dcb_hw_configure - Enable DCB and configure
+ * general DCB in VT mode and non-VT mode parameters
+ * @dev: pointer to rte_eth_dev structure
+ * @dcb_config: pointer to ixgbe_dcb_config structure
+ */
+static int
+ixgbe_dcb_hw_configure(struct rte_eth_dev *dev,
+ struct ixgbe_dcb_config *dcb_config)
+{
+ int ret = 0;
+ uint8_t i,pfc_en,nb_tcs;
+ uint16_t pbsize;
+ uint8_t config_dcb_rx = 0;
+ uint8_t config_dcb_tx = 0;
+ uint8_t tsa[IXGBE_DCB_MAX_TRAFFIC_CLASS] = {0};
+ uint8_t bwgid[IXGBE_DCB_MAX_TRAFFIC_CLASS] = {0};
+ uint16_t refill[IXGBE_DCB_MAX_TRAFFIC_CLASS] = {0};
+ uint16_t max[IXGBE_DCB_MAX_TRAFFIC_CLASS] = {0};
+ uint8_t map[IXGBE_DCB_MAX_TRAFFIC_CLASS] = {0};
+ struct ixgbe_dcb_tc_config *tc;
+ 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);
+
+ switch(dev->data->dev_conf.rxmode.mq_mode){
+ case ETH_MQ_RX_VMDQ_DCB:
+ dcb_config->vt_mode = true;
+ if (hw->mac.type != ixgbe_mac_82598EB) {
+ config_dcb_rx = DCB_RX_CONFIG;
+ /*
+ *get dcb and VT rx configuration parameters
+ *from rte_eth_conf
+ */
+ ixgbe_vmdq_dcb_rx_config(dev,dcb_config);
+ /*Configure general VMDQ and DCB RX parameters*/
+ ixgbe_vmdq_dcb_configure(dev);
+ }
+ break;
+ case ETH_MQ_RX_DCB:
+ dcb_config->vt_mode = false;
+ config_dcb_rx = DCB_RX_CONFIG;
+ /* 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);
+ break;
+ default:
+ PMD_INIT_LOG(ERR, "Incorrect DCB RX mode configuration\n");
+ break;
+ }
+ switch (dev->data->dev_conf.txmode.mq_mode) {
+ case ETH_MQ_TX_VMDQ_DCB:
+ dcb_config->vt_mode = true;
+ config_dcb_tx = DCB_TX_CONFIG;
+ /* get DCB and VT TX configuration parameters from rte_eth_conf */
+ ixgbe_dcb_vt_tx_config(dev,dcb_config);
+ /*Configure general VMDQ and DCB TX parameters*/
+ ixgbe_vmdq_dcb_hw_tx_config(dev,dcb_config);
+ break;
+
+ case ETH_MQ_TX_DCB:
+ dcb_config->vt_mode = false;
+ config_dcb_tx = DCB_TX_CONFIG;
+ /*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);
+ break;
+ default:
+ PMD_INIT_LOG(ERR, "Incorrect DCB TX mode configuration\n");
+ break;
+ }
+
+ nb_tcs = dcb_config->num_tcs.pfc_tcs;
+ /* Unpack map */
+ ixgbe_dcb_unpack_map_cee(dcb_config, IXGBE_DCB_RX_CONFIG, map);
+ if(nb_tcs == ETH_4_TCS) {
+ /* Avoid un-configured priority mapping to TC0 */
+ uint8_t j = 4;
+ uint8_t mask = 0xFF;
+ for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES - 4; i++)
+ mask = (uint8_t)(mask & (~ (1 << map[i])));
+ for (i = 0; mask && (i < IXGBE_DCB_MAX_TRAFFIC_CLASS); i++) {
+ if ((mask & 0x1) && (j < ETH_DCB_NUM_USER_PRIORITIES))
+ map[j++] = i;
+ mask >>= 1;
+ }
+ /* 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);
+ tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent =
+ (uint8_t)(100 / nb_tcs);
+ }
+ for (; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {
+ tc = &dcb_config->tc_config[i];
+ tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent = 0;
+ tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent = 0;
+ }
+ }
+
+ if(config_dcb_rx) {
+ /* Set RX buffer size */
+ pbsize = (uint16_t)(NIC_RX_BUFFER_SIZE / nb_tcs);
+ uint32_t rxpbsize = pbsize << IXGBE_RXPBSIZE_SHIFT;
+ for (i = 0 ; i < nb_tcs; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpbsize);
+ }
+ /* zero alloc all unused TCs */
+ for (; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), 0);
+ }
+ }
+ if(config_dcb_tx) {
+ /* Only support an equally distributed Tx packet buffer strategy. */
+ uint32_t txpktsize = IXGBE_TXPBSIZE_MAX / nb_tcs;
+ uint32_t txpbthresh = (txpktsize / DCB_TX_PB) - IXGBE_TXPKT_SIZE_MAX;
+ for (i = 0; i < nb_tcs; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), txpktsize);
+ IXGBE_WRITE_REG(hw, IXGBE_TXPBTHRESH(i), txpbthresh);
+ }
+ /* Clear unused TCs, if any, to zero buffer size*/
+ for (; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_TXPBTHRESH(i), 0);
+ }
+ }
+
+ /*Calculates traffic class credits*/
+ ixgbe_dcb_calculate_tc_credits_cee(hw, dcb_config,max_frame,
+ IXGBE_DCB_TX_CONFIG);
+ ixgbe_dcb_calculate_tc_credits_cee(hw, dcb_config,max_frame,
+ IXGBE_DCB_RX_CONFIG);
+
+ if(config_dcb_rx) {
+ /* Unpack CEE standard containers */
+ ixgbe_dcb_unpack_refill_cee(dcb_config, IXGBE_DCB_RX_CONFIG, refill);
+ ixgbe_dcb_unpack_max_cee(dcb_config, max);
+ ixgbe_dcb_unpack_bwgid_cee(dcb_config, IXGBE_DCB_RX_CONFIG, bwgid);
+ ixgbe_dcb_unpack_tsa_cee(dcb_config, IXGBE_DCB_RX_CONFIG, tsa);
+ /* Configure PG(ETS) RX */
+ ixgbe_dcb_hw_arbite_rx_config(hw,refill,max,bwgid,tsa,map);
+ }
+
+ if(config_dcb_tx) {
+ /* Unpack CEE standard containers */
+ ixgbe_dcb_unpack_refill_cee(dcb_config, IXGBE_DCB_TX_CONFIG, refill);
+ ixgbe_dcb_unpack_max_cee(dcb_config, max);
+ ixgbe_dcb_unpack_bwgid_cee(dcb_config, IXGBE_DCB_TX_CONFIG, bwgid);
+ ixgbe_dcb_unpack_tsa_cee(dcb_config, IXGBE_DCB_TX_CONFIG, tsa);
+ /* Configure PG(ETS) TX */
+ ixgbe_dcb_hw_arbite_tx_config(hw,refill,max,bwgid,tsa,map);
+ }
+
+ /*Configure queue statistics registers*/
+ ixgbe_dcb_config_tc_stats_82599(hw, dcb_config);
+
+ /* Check if the PFC is supported */
+ if(dev->data->dev_conf.dcb_capability_en & ETH_DCB_PFC_SUPPORT) {
+ pbsize = (uint16_t) (NIC_RX_BUFFER_SIZE / nb_tcs);
+ for (i = 0; i < nb_tcs; i++) {
+ /*
+ * If the TC count is 8,and the default high_water is 48,
+ * the low_water is 16 as default.
+ */
+ hw->fc.high_water[i] = (pbsize * 3 ) / 4;
+ hw->fc.low_water[i] = pbsize / 4;
+ /* Enable pfc for this TC */
+ tc = &dcb_config->tc_config[i];
+ tc->pfc = ixgbe_dcb_pfc_enabled;
+ }
+ ixgbe_dcb_unpack_pfc_cee(dcb_config, map, &pfc_en);
+ if(dcb_config->num_tcs.pfc_tcs == ETH_4_TCS)
+ pfc_en &= 0x0F;
+ ret = ixgbe_dcb_config_pfc(hw, pfc_en, map);
+ }
+
+ return ret;
+}
+
+/**
+ * ixgbe_configure_dcb - Configure DCB Hardware
+ * @dev: pointer to rte_eth_dev
+ */
+void ixgbe_configure_dcb(struct rte_eth_dev *dev)
+{
+ struct ixgbe_dcb_config *dcb_cfg =
+ IXGBE_DEV_PRIVATE_TO_DCB_CFG(dev->data->dev_private);
+ struct rte_eth_conf *dev_conf = &(dev->data->dev_conf);
+
+ PMD_INIT_FUNC_TRACE();
+
+ /* check support mq_mode for DCB */
+ if ((dev_conf->rxmode.mq_mode != ETH_MQ_RX_VMDQ_DCB) &&
+ (dev_conf->rxmode.mq_mode != ETH_MQ_RX_DCB))
+ return;
+
+ if (dev->data->nb_rx_queues != ETH_DCB_NUM_QUEUES)
+ return;
+
+ /** Configure DCB hardware **/
+ ixgbe_dcb_hw_configure(dev,dcb_cfg);
+
+ return;
+}
+
+/*
+ * VMDq only support for 10 GbE NIC.
+ */
+static void
+ixgbe_vmdq_rx_hw_configure(struct rte_eth_dev *dev)
+{
+ struct rte_eth_vmdq_rx_conf *cfg;
+ struct ixgbe_hw *hw;
+ enum rte_eth_nb_pools num_pools;
+ uint32_t mrqc, vt_ctl, vlanctrl;
+ int i;
+
+ PMD_INIT_FUNC_TRACE();
+ hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ cfg = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
+ num_pools = cfg->nb_queue_pools;
+
+ ixgbe_rss_disable(dev);
+
+ /* MRQC: enable vmdq */
+ mrqc = IXGBE_MRQC_VMDQEN;
+ IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
+
+ /* PFVTCTL: turn on virtualisation and set the default pool */
+ vt_ctl = IXGBE_VT_CTL_VT_ENABLE | IXGBE_VT_CTL_REPLEN;
+ if (cfg->enable_default_pool)
+ vt_ctl |= (cfg->default_pool << IXGBE_VT_CTL_POOL_SHIFT);
+ else
+ vt_ctl |= IXGBE_VT_CTL_DIS_DEFPL;
+
+ IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vt_ctl);
+
+ /* VLNCTRL: enable vlan filtering and allow all vlan tags through */
+ vlanctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+ vlanctrl |= IXGBE_VLNCTRL_VFE ; /* enable vlan filters */
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlanctrl);
+
+ /* VFTA - enable all vlan filters */
+ for (i = 0; i < NUM_VFTA_REGISTERS; i++)
+ IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), UINT32_MAX);
+
+ /* VFRE: pool enabling for receive - 64 */
+ IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), UINT32_MAX);
+ if (num_pools == ETH_64_POOLS)
+ IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), UINT32_MAX);
+
+ /*
+ * MPSAR - allow pools to read specific mac addresses
+ * In this case, all pools should be able to read from mac addr 0
+ */
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(0), UINT32_MAX);
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(0), UINT32_MAX);
+
+ /* PFVLVF, PFVLVFB: 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 */
+ IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), (IXGBE_VLVF_VIEN | \
+ (cfg->pool_map[i].vlan_id & IXGBE_RXD_VLAN_ID_MASK)));
+ /*
+ * Put the allowed pools in VFB reg. As we only have 16 or 64
+ * pools, we only need to use the first half of the register
+ * i.e. bits 0-31
+ */
+ if (((cfg->pool_map[i].pools >> 32) & UINT32_MAX) == 0)
+ IXGBE_WRITE_REG(hw, IXGBE_VLVFB(i*2), \
+ (cfg->pool_map[i].pools & UINT32_MAX));
+ else
+ IXGBE_WRITE_REG(hw, IXGBE_VLVFB((i*2+1)), \
+ ((cfg->pool_map[i].pools >> 32) \
+ & UINT32_MAX));
+
+ }
+
+ /* PFDMA Tx General Switch Control Enables VMDQ loopback */
+ if (cfg->enable_loop_back) {
+ IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
+ for (i = 0; i < RTE_IXGBE_VMTXSW_REGISTER_COUNT; i++)
+ IXGBE_WRITE_REG(hw, IXGBE_VMTXSW(i), UINT32_MAX);
+ }
+
+ IXGBE_WRITE_FLUSH(hw);
+}
+
+/*
+ * ixgbe_dcb_config_tx_hw_config - Configure general VMDq TX parameters
+ * @hw: pointer to hardware structure
+ */
+static void
+ixgbe_vmdq_tx_hw_configure(struct ixgbe_hw *hw)
+{
+ uint32_t reg;
+ uint32_t q;
+
+ PMD_INIT_FUNC_TRACE();
+ /*PF VF Transmit Enable*/
+ IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), UINT32_MAX);
+ IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), UINT32_MAX);
+
+ /* Disable the Tx desc arbiter so that MTQC can be changed */
+ reg = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
+ reg |= IXGBE_RTTDCS_ARBDIS;
+ IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg);
+
+ reg = IXGBE_MTQC_VT_ENA | IXGBE_MTQC_64VF;
+ IXGBE_WRITE_REG(hw, IXGBE_MTQC, reg);
+
+ /* Disable drop for all queues */
+ for (q = 0; q < IXGBE_MAX_RX_QUEUE_NUM; 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;
+ IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg);
+
+ IXGBE_WRITE_FLUSH(hw);
- /* PFVLVF, PFVLVFB: 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 */
- IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), (IXGBE_VLVF_VIEN | \
- (cfg->pool_map[i].vlan_id & 0xFFF)));
- /*
- * Put the allowed pools in VFB reg. As we only have 16 or 32
- * pools, we only need to use the first half of the register
- * i.e. bits 0-31
- */
- IXGBE_WRITE_REG(hw, IXGBE_VLVFB(i*2), cfg->pool_map[i].pools);
- }
+ return;
}
static int
(unsigned) rxq->queue_id);
return (-ENOMEM);
}
+
+ rte_mbuf_refcnt_set(mbuf, 1);
+ mbuf->next = NULL;
+ mbuf->data_off = RTE_PKTMBUF_HEADROOM;
+ mbuf->nb_segs = 1;
+ mbuf->port = rxq->port_id;
+
dma_addr =
rte_cpu_to_le_64(RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mbuf));
rxd = &rxq->rx_ring[i];
return 0;
}
+static int
+ixgbe_dev_mq_rx_configure(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw =
+ IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (hw->mac.type == ixgbe_mac_82598EB)
+ return 0;
+
+ if (RTE_ETH_DEV_SRIOV(dev).active == 0) {
+ /*
+ * SRIOV inactive scheme
+ * any DCB/RSS w/o VMDq multi-queue setting
+ */
+ switch (dev->data->dev_conf.rxmode.mq_mode) {
+ case ETH_MQ_RX_RSS:
+ ixgbe_rss_configure(dev);
+ break;
+
+ case ETH_MQ_RX_VMDQ_DCB:
+ ixgbe_vmdq_dcb_configure(dev);
+ break;
+
+ case ETH_MQ_RX_VMDQ_ONLY:
+ ixgbe_vmdq_rx_hw_configure(dev);
+ break;
+
+ case ETH_MQ_RX_NONE:
+ /* if mq_mode is none, disable rss mode.*/
+ default: ixgbe_rss_disable(dev);
+ }
+ } else {
+ switch (RTE_ETH_DEV_SRIOV(dev).active) {
+ /*
+ * SRIOV active scheme
+ * FIXME if support DCB/RSS together with VMDq & SRIOV
+ */
+ case ETH_64_POOLS:
+ IXGBE_WRITE_REG(hw, IXGBE_MRQC, IXGBE_MRQC_VMDQEN);
+ break;
+
+ case ETH_32_POOLS:
+ IXGBE_WRITE_REG(hw, IXGBE_MRQC, IXGBE_MRQC_VMDQRT4TCEN);
+ break;
+
+ case ETH_16_POOLS:
+ IXGBE_WRITE_REG(hw, IXGBE_MRQC, IXGBE_MRQC_VMDQRT8TCEN);
+ break;
+ default:
+ RTE_LOG(ERR, PMD, "invalid pool number in IOV mode\n");
+ }
+ }
+
+ return 0;
+}
+
+static int
+ixgbe_dev_mq_tx_configure(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw =
+ IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint32_t mtqc;
+ uint32_t rttdcs;
+
+ if (hw->mac.type == ixgbe_mac_82598EB)
+ return 0;
+
+ /* disable arbiter before setting MTQC */
+ rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
+ rttdcs |= IXGBE_RTTDCS_ARBDIS;
+ IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
+
+ if (RTE_ETH_DEV_SRIOV(dev).active == 0) {
+ /*
+ * SRIOV inactive scheme
+ * any DCB w/o VMDq multi-queue setting
+ */
+ if (dev->data->dev_conf.txmode.mq_mode == ETH_MQ_TX_VMDQ_ONLY)
+ ixgbe_vmdq_tx_hw_configure(hw);
+ else {
+ mtqc = IXGBE_MTQC_64Q_1PB;
+ IXGBE_WRITE_REG(hw, IXGBE_MTQC, mtqc);
+ }
+ } else {
+ switch (RTE_ETH_DEV_SRIOV(dev).active) {
+
+ /*
+ * SRIOV active scheme
+ * FIXME if support DCB together with VMDq & SRIOV
+ */
+ case ETH_64_POOLS:
+ mtqc = IXGBE_MTQC_VT_ENA | IXGBE_MTQC_64VF;
+ break;
+ case ETH_32_POOLS:
+ mtqc = IXGBE_MTQC_VT_ENA | IXGBE_MTQC_32VF;
+ break;
+ case ETH_16_POOLS:
+ mtqc = IXGBE_MTQC_VT_ENA | IXGBE_MTQC_RT_ENA |
+ IXGBE_MTQC_8TC_8TQ;
+ break;
+ default:
+ mtqc = IXGBE_MTQC_64Q_1PB;
+ RTE_LOG(ERR, PMD, "invalid pool number in IOV mode\n");
+ }
+ IXGBE_WRITE_REG(hw, IXGBE_MTQC, mtqc);
+ }
+
+ /* re-enable arbiter */
+ rttdcs &= ~IXGBE_RTTDCS_ARBDIS;
+ IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
+
+ return 0;
+}
+
/*
* Initializes Receive Unit.
*/
uint32_t rxcsum;
uint16_t buf_size;
uint16_t i;
- int ret;
PMD_INIT_FUNC_TRACE();
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
} else
hlreg0 &= ~IXGBE_HLREG0_JUMBOEN;
+ /*
+ * If loopback mode is configured for 82599, set LPBK bit.
+ */
+ if (hw->mac.type == ixgbe_mac_82599EB &&
+ dev->data->dev_conf.lpbk_mode == IXGBE_LPBK_82599_TX_RX)
+ hlreg0 |= IXGBE_HLREG0_LPBK;
+ else
+ hlreg0 &= ~IXGBE_HLREG0_LPBK;
+
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
/* Setup RX queues */
- dev->rx_pkt_burst = ixgbe_recv_pkts;
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxq = dev->data->rx_queues[i];
- /* Allocate buffers for descriptor rings */
- ret = ixgbe_alloc_rx_queue_mbufs(rxq);
- if (ret) {
- ixgbe_dev_clear_queues(dev);
- return ret;
- }
-
/*
* Reset crc_len in case it was changed after queue setup by a
* call to configure.
/* Setup the Base and Length of the Rx Descriptor Rings */
bus_addr = rxq->rx_ring_phys_addr;
- IXGBE_WRITE_REG(hw, IXGBE_RDBAL(i),
+ IXGBE_WRITE_REG(hw, IXGBE_RDBAL(rxq->reg_idx),
(uint32_t)(bus_addr & 0x00000000ffffffffULL));
- IXGBE_WRITE_REG(hw, IXGBE_RDBAH(i),
+ IXGBE_WRITE_REG(hw, IXGBE_RDBAH(rxq->reg_idx),
(uint32_t)(bus_addr >> 32));
- IXGBE_WRITE_REG(hw, IXGBE_RDLEN(i),
+ IXGBE_WRITE_REG(hw, IXGBE_RDLEN(rxq->reg_idx),
rxq->nb_rx_desc * sizeof(union ixgbe_adv_rx_desc));
- IXGBE_WRITE_REG(hw, IXGBE_RDH(i), 0);
- IXGBE_WRITE_REG(hw, IXGBE_RDT(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_RDH(rxq->reg_idx), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_RDT(rxq->reg_idx), 0);
/* Configure the SRRCTL register */
#ifdef RTE_HEADER_SPLIT_ENABLE
IXGBE_PSRTYPE_UDPHDR |
IXGBE_PSRTYPE_IPV4HDR |
IXGBE_PSRTYPE_IPV6HDR;
- IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(i), psrtype);
+ IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(rxq->reg_idx), psrtype);
}
srrctl = ((dev->data->dev_conf.rxmode.split_hdr_size <<
IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
#endif
srrctl = IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
+ /* Set if packets are dropped when no descriptors available */
+ if (rxq->drop_en)
+ srrctl |= IXGBE_SRRCTL_DROP_EN;
+
/*
* Configure the RX buffer size in the BSIZEPACKET field of
* the SRRCTL register of the queue.
* The value is in 1 KB resolution. Valid values can be from
* 1 KB to 16 KB.
*/
- mbp_priv = (struct rte_pktmbuf_pool_private *)
- ((char *)rxq->mb_pool + sizeof(struct rte_mempool));
+ mbp_priv = rte_mempool_get_priv(rxq->mb_pool);
buf_size = (uint16_t) (mbp_priv->mbuf_data_room_size -
RTE_PKTMBUF_HEADROOM);
srrctl |= ((buf_size >> IXGBE_SRRCTL_BSIZEPKT_SHIFT) &
IXGBE_SRRCTL_BSIZEPKT_MASK);
- IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(i), srrctl);
+ IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxq->reg_idx), srrctl);
buf_size = (uint16_t) ((srrctl & IXGBE_SRRCTL_BSIZEPKT_MASK) <<
IXGBE_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 * IXGBE_VLAN_TAG_SIZE) > buf_size){
dev->data->scattered_rx = 1;
dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
}
}
+ if (dev->data->dev_conf.rxmode.enable_scatter) {
+ dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
+ dev->data->scattered_rx = 1;
+ }
+
/*
- * Configure RSS if device configured with multiple RX queues.
+ * Device configured with multiple RX queues.
*/
- if (hw->mac.type == ixgbe_mac_82599EB) {
- if (dev->data->nb_rx_queues > 1)
- switch (dev->data->dev_conf.rxmode.mq_mode) {
- case ETH_RSS:
- ixgbe_rss_configure(dev);
- break;
-
- case ETH_VMDQ_DCB:
- ixgbe_vmdq_dcb_configure(dev);
- break;
-
- default: ixgbe_rss_disable(dev);
- }
- else
- ixgbe_rss_disable(dev);
- }
+ ixgbe_dev_mq_rx_configure(dev);
/*
* Setup the Checksum Register.
uint64_t bus_addr;
uint32_t hlreg0;
uint32_t txctrl;
- uint32_t rttdcs;
uint16_t i;
PMD_INIT_FUNC_TRACE();
txq = dev->data->tx_queues[i];
bus_addr = txq->tx_ring_phys_addr;
- IXGBE_WRITE_REG(hw, IXGBE_TDBAL(i),
+ IXGBE_WRITE_REG(hw, IXGBE_TDBAL(txq->reg_idx),
(uint32_t)(bus_addr & 0x00000000ffffffffULL));
- IXGBE_WRITE_REG(hw, IXGBE_TDBAH(i),
+ IXGBE_WRITE_REG(hw, IXGBE_TDBAH(txq->reg_idx),
(uint32_t)(bus_addr >> 32));
- IXGBE_WRITE_REG(hw, IXGBE_TDLEN(i),
+ IXGBE_WRITE_REG(hw, IXGBE_TDLEN(txq->reg_idx),
txq->nb_tx_desc * sizeof(union ixgbe_adv_tx_desc));
/* Setup the HW Tx Head and TX Tail descriptor pointers */
- IXGBE_WRITE_REG(hw, IXGBE_TDH(i), 0);
- IXGBE_WRITE_REG(hw, IXGBE_TDT(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_TDH(txq->reg_idx), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_TDT(txq->reg_idx), 0);
/*
* Disable Tx Head Writeback RO bit, since this hoses
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
txctrl = IXGBE_READ_REG(hw,
- IXGBE_DCA_TXCTRL(i));
- txctrl &= ~IXGBE_DCA_TXCTRL_TX_WB_RO_EN;
- IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(i),
+ IXGBE_DCA_TXCTRL(txq->reg_idx));
+ txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
+ IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(txq->reg_idx),
txctrl);
break;
case ixgbe_mac_X540:
default:
txctrl = IXGBE_READ_REG(hw,
- IXGBE_DCA_TXCTRL_82599(i));
- txctrl &= ~IXGBE_DCA_TXCTRL_TX_WB_RO_EN;
- IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(i),
+ IXGBE_DCA_TXCTRL_82599(txq->reg_idx));
+ txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
+ IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(txq->reg_idx),
txctrl);
break;
}
}
- if (hw->mac.type != ixgbe_mac_82598EB) {
- /* disable arbiter before setting MTQC */
- rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
- rttdcs |= IXGBE_RTTDCS_ARBDIS;
- IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
-
- IXGBE_WRITE_REG(hw, IXGBE_MTQC, IXGBE_MTQC_64Q_1PB);
+ /* Device configured with multiple TX queues. */
+ ixgbe_dev_mq_tx_configure(dev);
+}
- /* re-enable arbiter */
- rttdcs &= ~IXGBE_RTTDCS_ARBDIS;
- IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
+/*
+ * Set up link for 82599 loopback mode Tx->Rx.
+ */
+static inline void
+ixgbe_setup_loopback_link_82599(struct ixgbe_hw *hw)
+{
+ DEBUGFUNC("ixgbe_setup_loopback_link_82599");
+
+ if (ixgbe_verify_lesm_fw_enabled_82599(hw)) {
+ if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM) !=
+ IXGBE_SUCCESS) {
+ PMD_INIT_LOG(ERR, "Could not enable loopback mode\n");
+ /* ignore error */
+ return;
+ }
}
+
+ /* Restart link */
+ IXGBE_WRITE_REG(hw,
+ IXGBE_AUTOC,
+ IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU);
+ ixgbe_reset_pipeline_82599(hw);
+
+ hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
+ msec_delay(50);
}
+
/*
* Start Transmit and Receive Units.
*/
struct igb_rx_queue *rxq;
uint32_t txdctl;
uint32_t dmatxctl;
- uint32_t rxdctl;
uint32_t rxctrl;
uint16_t i;
- int poll_ms;
PMD_INIT_FUNC_TRACE();
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
for (i = 0; i < dev->data->nb_tx_queues; i++) {
txq = dev->data->tx_queues[i];
/* Setup Transmit Threshold Registers */
- txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
+ txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txq->reg_idx));
txdctl |= txq->pthresh & 0x7F;
txdctl |= ((txq->hthresh & 0x7F) << 8);
txdctl |= ((txq->wthresh & 0x7F) << 16);
- IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(i), txdctl);
+ IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txq->reg_idx), txdctl);
}
if (hw->mac.type != ixgbe_mac_82598EB) {
}
for (i = 0; i < dev->data->nb_tx_queues; i++) {
- txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
- txdctl |= IXGBE_TXDCTL_ENABLE;
- IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(i), txdctl);
-
- /* Wait until TX Enable ready */
- if (hw->mac.type == ixgbe_mac_82599EB) {
- poll_ms = 10;
- do {
- rte_delay_ms(1);
- txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
- } while (--poll_ms && !(txdctl & IXGBE_TXDCTL_ENABLE));
- if (!poll_ms)
- PMD_INIT_LOG(ERR, "Could not enable "
- "Tx Queue %d\n", i);
- }
+ txq = dev->data->tx_queues[i];
+ if (!txq->start_tx_per_q)
+ ixgbe_dev_tx_queue_start(dev, i);
}
+
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxq = dev->data->rx_queues[i];
- rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
+ if (!rxq->start_rx_per_q)
+ ixgbe_dev_rx_queue_start(dev, i);
+ }
+
+ /* Enable Receive engine */
+ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
+ if (hw->mac.type == ixgbe_mac_82598EB)
+ rxctrl |= IXGBE_RXCTRL_DMBYPS;
+ rxctrl |= IXGBE_RXCTRL_RXEN;
+ hw->mac.ops.enable_rx_dma(hw, rxctrl);
+
+ /* If loopback mode is enabled for 82599, set up the link accordingly */
+ if (hw->mac.type == ixgbe_mac_82599EB &&
+ dev->data->dev_conf.lpbk_mode == IXGBE_LPBK_82599_TX_RX)
+ ixgbe_setup_loopback_link_82599(hw);
+
+}
+
+/*
+ * Start Receive Units for specified queue.
+ */
+int
+ixgbe_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+ struct ixgbe_hw *hw;
+ struct igb_rx_queue *rxq;
+ uint32_t rxdctl;
+ int poll_ms;
+
+ PMD_INIT_FUNC_TRACE();
+ hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (rx_queue_id < dev->data->nb_rx_queues) {
+ rxq = dev->data->rx_queues[rx_queue_id];
+
+ /* Allocate buffers for descriptor rings */
+ if (ixgbe_alloc_rx_queue_mbufs(rxq) != 0) {
+ PMD_INIT_LOG(ERR,
+ "Could not alloc mbuf for queue:%d\n",
+ rx_queue_id);
+ return -1;
+ }
+ rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
rxdctl |= IXGBE_RXDCTL_ENABLE;
- IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(i), rxdctl);
+ IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxq->reg_idx), rxdctl);
/* Wait until RX Enable ready */
- poll_ms = 10;
+ poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_10_MS;
do {
rte_delay_ms(1);
- rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
+ rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
} while (--poll_ms && !(rxdctl & IXGBE_RXDCTL_ENABLE));
if (!poll_ms)
PMD_INIT_LOG(ERR, "Could not enable "
- "Rx Queue %d\n", i);
+ "Rx Queue %d\n", rx_queue_id);
rte_wmb();
- IXGBE_WRITE_REG(hw, IXGBE_RDT(i), rxq->nb_rx_desc - 1);
- }
+ IXGBE_WRITE_REG(hw, IXGBE_RDH(rxq->reg_idx), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_RDT(rxq->reg_idx), rxq->nb_rx_desc - 1);
+ } else
+ return -1;
- /* Enable Receive engine */
- rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
- if (hw->mac.type == ixgbe_mac_82598EB)
- rxctrl |= IXGBE_RXCTRL_DMBYPS;
- rxctrl |= IXGBE_RXCTRL_RXEN;
- hw->mac.ops.enable_rx_dma(hw, rxctrl);
+ return 0;
+}
+
+/*
+ * Stop Receive Units for specified queue.
+ */
+int
+ixgbe_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+ struct ixgbe_hw *hw;
+ struct igb_rx_queue *rxq;
+ uint32_t rxdctl;
+ int poll_ms;
+
+ PMD_INIT_FUNC_TRACE();
+ hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (rx_queue_id < dev->data->nb_rx_queues) {
+ rxq = dev->data->rx_queues[rx_queue_id];
+
+ rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
+ rxdctl &= ~IXGBE_RXDCTL_ENABLE;
+ IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxq->reg_idx), rxdctl);
+
+ /* Wait until RX Enable ready */
+ poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_10_MS;
+ do {
+ rte_delay_ms(1);
+ rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
+ } while (--poll_ms && (rxdctl | IXGBE_RXDCTL_ENABLE));
+ if (!poll_ms)
+ PMD_INIT_LOG(ERR, "Could not disable "
+ "Rx Queue %d\n", rx_queue_id);
+
+ rte_delay_us(RTE_IXGBE_WAIT_100_US);
+
+ ixgbe_rx_queue_release_mbufs(rxq);
+ ixgbe_reset_rx_queue(rxq);
+ } else
+ return -1;
+
+ return 0;
+}
+
+
+/*
+ * Start Transmit Units for specified queue.
+ */
+int
+ixgbe_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+ struct ixgbe_hw *hw;
+ struct igb_tx_queue *txq;
+ uint32_t txdctl;
+ int poll_ms;
+
+ PMD_INIT_FUNC_TRACE();
+ hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (tx_queue_id < dev->data->nb_tx_queues) {
+ txq = dev->data->tx_queues[tx_queue_id];
+ txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txq->reg_idx));
+ txdctl |= IXGBE_TXDCTL_ENABLE;
+ IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txq->reg_idx), txdctl);
+
+ /* Wait until TX Enable ready */
+ if (hw->mac.type == ixgbe_mac_82599EB) {
+ poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_10_MS;
+ do {
+ rte_delay_ms(1);
+ txdctl = IXGBE_READ_REG(hw,
+ IXGBE_TXDCTL(txq->reg_idx));
+ } while (--poll_ms && !(txdctl & IXGBE_TXDCTL_ENABLE));
+ if (!poll_ms)
+ PMD_INIT_LOG(ERR, "Could not enable "
+ "Tx Queue %d\n", tx_queue_id);
+ }
+ rte_wmb();
+ IXGBE_WRITE_REG(hw, IXGBE_TDH(txq->reg_idx), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_TDT(txq->reg_idx), 0);
+ } else
+ return -1;
+
+ return 0;
}
+/*
+ * Stop Transmit Units for specified queue.
+ */
+int
+ixgbe_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+ struct ixgbe_hw *hw;
+ struct igb_tx_queue *txq;
+ uint32_t txdctl;
+ uint32_t txtdh, txtdt;
+ int poll_ms;
+
+ PMD_INIT_FUNC_TRACE();
+ hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (tx_queue_id < dev->data->nb_tx_queues) {
+ txq = dev->data->tx_queues[tx_queue_id];
+
+ /* Wait until TX queue is empty */
+ if (hw->mac.type == ixgbe_mac_82599EB) {
+ poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_10_MS;
+ do {
+ rte_delay_us(RTE_IXGBE_WAIT_100_US);
+ txtdh = IXGBE_READ_REG(hw,
+ IXGBE_TDH(txq->reg_idx));
+ txtdt = IXGBE_READ_REG(hw,
+ IXGBE_TDT(txq->reg_idx));
+ } while (--poll_ms && (txtdh != txtdt));
+ if (!poll_ms)
+ PMD_INIT_LOG(ERR,
+ "Tx Queue %d is not empty when stopping.\n",
+ tx_queue_id);
+ }
+
+ txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txq->reg_idx));
+ txdctl &= ~IXGBE_TXDCTL_ENABLE;
+ IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txq->reg_idx), txdctl);
+
+ /* Wait until TX Enable ready */
+ if (hw->mac.type == ixgbe_mac_82599EB) {
+ poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_10_MS;
+ do {
+ rte_delay_ms(1);
+ txdctl = IXGBE_READ_REG(hw,
+ IXGBE_TXDCTL(txq->reg_idx));
+ } while (--poll_ms && (txdctl | IXGBE_TXDCTL_ENABLE));
+ if (!poll_ms)
+ PMD_INIT_LOG(ERR, "Could not disable "
+ "Tx Queue %d\n", tx_queue_id);
+ }
+
+ if (txq->ops != NULL) {
+ txq->ops->release_mbufs(txq);
+ txq->ops->reset(txq);
+ }
+ } else
+ return -1;
+
+ return 0;
+}
/*
* [VF] Initializes Receive Unit.
PMD_INIT_FUNC_TRACE();
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ /*
+ * When the VF driver issues a IXGBE_VF_RESET request, the PF driver
+ * disables the VF receipt of packets if the PF MTU is > 1500.
+ * This is done to deal with 82599 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 IXGBE_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
+ * ixgbevf_rlpml_set_vf even if jumbo frames are not used. This way,
+ * VF packets received can work in all cases.
+ */
+ ixgbevf_rlpml_set_vf(hw,
+ (uint16_t)dev->data->dev_conf.rxmode.max_rx_pkt_len);
+
/* Setup RX queues */
dev->rx_pkt_burst = ixgbe_recv_pkts;
for (i = 0; i < dev->data->nb_rx_queues; i++) {
/* Allocate buffers for descriptor rings */
ret = ixgbe_alloc_rx_queue_mbufs(rxq);
- if (ret){
- return -1;
- }
+ if (ret)
+ return ret;
+
/* Setup the Base and Length of the Rx Descriptor Rings */
bus_addr = rxq->rx_ring_phys_addr;
#endif
srrctl = IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
+ /* Set if packets are dropped when no descriptors available */
+ if (rxq->drop_en)
+ srrctl |= IXGBE_SRRCTL_DROP_EN;
+
/*
* Configure the RX buffer size in the BSIZEPACKET field of
* the SRRCTL register of the queue.
* The value is in 1 KB resolution. Valid values can be from
* 1 KB to 16 KB.
*/
- mbp_priv = (struct rte_pktmbuf_pool_private *)
- ((char *)rxq->mb_pool + sizeof(struct rte_mempool));
+ mbp_priv = rte_mempool_get_priv(rxq->mb_pool);
buf_size = (uint16_t) (mbp_priv->mbuf_data_room_size -
RTE_PKTMBUF_HEADROOM);
srrctl |= ((buf_size >> IXGBE_SRRCTL_BSIZEPKT_SHIFT) &
buf_size = (uint16_t) ((srrctl & IXGBE_SRRCTL_BSIZEPKT_MASK) <<
IXGBE_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 * IXGBE_VLAN_TAG_SIZE) > buf_size) {
dev->data->scattered_rx = 1;
dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
}
}
+
+ if (dev->data->dev_conf.rxmode.enable_scatter) {
+ dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
+ dev->data->scattered_rx = 1;
+ }
+
return 0;
}
*/
txctrl = IXGBE_READ_REG(hw,
IXGBE_VFDCA_TXCTRL(i));
- txctrl &= ~IXGBE_DCA_TXCTRL_TX_WB_RO_EN;
+ txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
IXGBE_WRITE_REG(hw, IXGBE_VFDCA_TXCTRL(i),
txctrl);
}
git.droids-corp.org / dpdk.git / blobdiff