/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright 2014 6WIND S.A.
* All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
* are met:
- *
- * * Redistributions of source code must retain the above copyright
+ *
+ * * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
* distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
*/
#include <sys/queue.h>
-#include <endian.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rte_memory.h>
#include <rte_memzone.h>
#include <rte_launch.h>
-#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_sctp.h>
#include <rte_string_fns.h>
#include <rte_errno.h>
+#include <rte_ip.h>
#include "ixgbe_logs.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 RTE_PMD_IXGBE_TX_MAX_BURST 32
-
-#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
-#define RTE_PMD_IXGBE_RX_MAX_BURST 32
-#endif
+/* Bit Mask to indicate what bits required for building TX context */
+#define IXGBE_TX_OFFLOAD_MASK ( \
+ PKT_TX_VLAN_PKT | \
+ PKT_TX_IP_CKSUM | \
+ PKT_TX_L4_MASK | \
+ PKT_TX_TCP_SEG)
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. */
-#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
- uint16_t rx_nb_avail; /**< nr of staged pkts ready to ret to app */
- uint16_t rx_next_avail; /**< idx of next staged pkt to ret to app */
- uint16_t rx_free_trigger; /**< triggers rx buffer allocation */
-#endif
- 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. */
- uint8_t drop_en; /**< If not 0, set SRRCTL.Drop_En. */
-#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
- /** need to alloc dummy mbuf, for wraparound when scanning hw ring */
- struct rte_mbuf fake_mbuf;
- /** hold packets to return to application */
- struct rte_mbuf *rx_stage[RTE_PMD_IXGBE_RX_MAX_BURST*2];
-#endif
-};
-
-/**
- * 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 */
- union rte_vlan_macip 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 tx_next_dd; /**< next desc to scan for DD bit */
- uint16_t tx_next_rs; /**< next desc to set RS bit */
- 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 txq_flags; /**< Holds flags for this TXq */
- 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
*
**********************************************************************/
-/*
- * The "simple" TX queue functions require that the following
- * flags are set when the TX queue is configured:
- * - ETH_TXQ_FLAGS_NOMULTSEGS
- * - ETH_TXQ_FLAGS_NOVLANOFFL
- * - ETH_TXQ_FLAGS_NOXSUMSCTP
- * - ETH_TXQ_FLAGS_NOXSUMUDP
- * - ETH_TXQ_FLAGS_NOXSUMTCP
- * and that the RS bit threshold (tx_rs_thresh) is at least equal to
- * RTE_PMD_IXGBE_TX_MAX_BURST.
- */
-#define IXGBE_SIMPLE_FLAGS ((uint32_t)ETH_TXQ_FLAGS_NOMULTSEGS | \
- ETH_TXQ_FLAGS_NOOFFLOADS)
-
/*
* Check for descriptors with their DD bit set and free mbufs.
* Return the total number of buffers freed.
*/
-static inline int
-ixgbe_tx_free_bufs(struct igb_tx_queue *txq)
+static inline int __attribute__((always_inline))
+ixgbe_tx_free_bufs(struct ixgbe_tx_queue *txq)
{
- struct igb_tx_entry *txep;
+ struct ixgbe_tx_entry *txep;
uint32_t status;
int i;
*/
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) {
+ txep->mbuf->next = NULL;
rte_mempool_put(txep->mbuf->pool, txep->mbuf);
txep->mbuf = NULL;
}
return txq->tx_rs_thresh;
}
-/*
- * Populate descriptors with the following info:
- * 1.) buffer_addr = phys_addr + headroom
- * 2.) cmd_type_len = DCMD_DTYP_FLAGS | pkt_len
- * 3.) olinfo_status = pkt_len << PAYLEN_SHIFT
- */
-
-/* Defines for Tx descriptor */
-#define DCMD_DTYP_FLAGS (IXGBE_ADVTXD_DTYP_DATA |\
- IXGBE_ADVTXD_DCMD_IFCS |\
- IXGBE_ADVTXD_DCMD_DEXT |\
- IXGBE_ADVTXD_DCMD_EOP)
-
/* Populate 4 descriptors with data from 4 mbufs */
static inline void
tx4(volatile union ixgbe_adv_tx_desc *txdp, struct rte_mbuf **pkts)
for (i = 0; i < 4; ++i, ++txdp, ++pkts) {
buf_dma_addr = RTE_MBUF_DATA_DMA_ADDR(*pkts);
- pkt_len = (*pkts)->pkt.data_len;
+ pkt_len = (*pkts)->data_len;
/* write data to descriptor */
txdp->read.buffer_addr = buf_dma_addr;
((uint32_t)DCMD_DTYP_FLAGS | pkt_len);
txdp->read.olinfo_status =
(pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT);
+ rte_prefetch0(&(*pkts)->pool);
}
}
uint32_t pkt_len;
buf_dma_addr = RTE_MBUF_DATA_DMA_ADDR(*pkts);
- pkt_len = (*pkts)->pkt.data_len;
+ pkt_len = (*pkts)->data_len;
/* write data to descriptor */
txdp->read.buffer_addr = buf_dma_addr;
((uint32_t)DCMD_DTYP_FLAGS | pkt_len);
txdp->read.olinfo_status =
(pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT);
+ rte_prefetch0(&(*pkts)->pool);
}
/*
* 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,
+ixgbe_tx_fill_hw_ring(struct ixgbe_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]);
+ struct ixgbe_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;
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;
+ struct ixgbe_tx_queue *txq = (struct ixgbe_tx_queue *)tx_queue;
volatile union ixgbe_adv_tx_desc *tx_r = txq->tx_ring;
uint16_t n = 0;
}
static inline void
-ixgbe_set_xmit_ctx(struct igb_tx_queue* txq,
+ixgbe_set_xmit_ctx(struct ixgbe_tx_queue *txq,
volatile struct ixgbe_adv_tx_context_desc *ctx_txd,
- uint16_t ol_flags, uint32_t vlan_macip_lens)
+ uint64_t ol_flags, union ixgbe_tx_offload tx_offload)
{
uint32_t type_tucmd_mlhl;
- uint32_t mss_l4len_idx;
+ uint32_t mss_l4len_idx = 0;
uint32_t ctx_idx;
- uint32_t cmp_mask;
+ uint32_t vlan_macip_lens;
+ union ixgbe_tx_offload tx_offload_mask;
ctx_idx = txq->ctx_curr;
- cmp_mask = 0;
+ tx_offload_mask.data = 0;
type_tucmd_mlhl = 0;
+ /* Specify which HW CTX to upload. */
+ mss_l4len_idx |= (ctx_idx << IXGBE_ADVTXD_IDX_SHIFT);
+
if (ol_flags & PKT_TX_VLAN_PKT) {
- cmp_mask |= TX_VLAN_CMP_MASK;
+ tx_offload_mask.vlan_tci |= ~0;
}
- if (ol_flags & PKT_TX_IP_CKSUM) {
- type_tucmd_mlhl = IXGBE_ADVTXD_TUCMD_IPV4;
- cmp_mask |= TX_MAC_LEN_CMP_MASK;
- }
+ /* check if TCP segmentation required for this packet */
+ if (ol_flags & PKT_TX_TCP_SEG) {
+ /* implies IP cksum and TCP cksum */
+ type_tucmd_mlhl = IXGBE_ADVTXD_TUCMD_IPV4 |
+ IXGBE_ADVTXD_TUCMD_L4T_TCP |
+ IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
+
+ tx_offload_mask.l2_len |= ~0;
+ tx_offload_mask.l3_len |= ~0;
+ tx_offload_mask.l4_len |= ~0;
+ tx_offload_mask.tso_segsz |= ~0;
+ mss_l4len_idx |= tx_offload.tso_segsz << IXGBE_ADVTXD_MSS_SHIFT;
+ mss_l4len_idx |= tx_offload.l4_len << IXGBE_ADVTXD_L4LEN_SHIFT;
+ } else { /* no TSO, check if hardware checksum is needed */
+ if (ol_flags & PKT_TX_IP_CKSUM) {
+ type_tucmd_mlhl = IXGBE_ADVTXD_TUCMD_IPV4;
+ tx_offload_mask.l2_len |= ~0;
+ tx_offload_mask.l3_len |= ~0;
+ }
- /* Specify which HW CTX to upload. */
- mss_l4len_idx = (ctx_idx << IXGBE_ADVTXD_IDX_SHIFT);
- switch (ol_flags & PKT_TX_L4_MASK) {
- case PKT_TX_UDP_CKSUM:
- type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_UDP |
+ switch (ol_flags & PKT_TX_L4_MASK) {
+ case PKT_TX_UDP_CKSUM:
+ type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_UDP |
IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
- mss_l4len_idx |= sizeof(struct udp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT;
- cmp_mask |= TX_MACIP_LEN_CMP_MASK;
- break;
- case PKT_TX_TCP_CKSUM:
- type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP |
+ mss_l4len_idx |= sizeof(struct udp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT;
+ tx_offload_mask.l2_len |= ~0;
+ tx_offload_mask.l3_len |= ~0;
+ break;
+ case PKT_TX_TCP_CKSUM:
+ type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP |
IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
- mss_l4len_idx |= sizeof(struct tcp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT;
- cmp_mask |= TX_MACIP_LEN_CMP_MASK;
- break;
- case PKT_TX_SCTP_CKSUM:
- type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_SCTP |
+ mss_l4len_idx |= sizeof(struct tcp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT;
+ tx_offload_mask.l2_len |= ~0;
+ tx_offload_mask.l3_len |= ~0;
+ tx_offload_mask.l4_len |= ~0;
+ break;
+ case PKT_TX_SCTP_CKSUM:
+ type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_SCTP |
IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
- mss_l4len_idx |= sizeof(struct sctp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT;
- cmp_mask |= TX_MACIP_LEN_CMP_MASK;
- break;
- default:
- type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_RSV |
+ mss_l4len_idx |= sizeof(struct sctp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT;
+ tx_offload_mask.l2_len |= ~0;
+ tx_offload_mask.l3_len |= ~0;
+ break;
+ default:
+ type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_RSV |
IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
- break;
+ break;
+ }
}
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.data =
- vlan_macip_lens & cmp_mask;
+ txq->ctx_cache[ctx_idx].tx_offload.data =
+ tx_offload_mask.data & tx_offload.data;
+ txq->ctx_cache[ctx_idx].tx_offload_mask = tx_offload_mask;
ctx_txd->type_tucmd_mlhl = rte_cpu_to_le_32(type_tucmd_mlhl);
+ vlan_macip_lens = tx_offload.l3_len;
+ vlan_macip_lens |= (tx_offload.l2_len << IXGBE_ADVTXD_MACLEN_SHIFT);
+ vlan_macip_lens |= ((uint32_t)tx_offload.vlan_tci << IXGBE_ADVTXD_VLAN_SHIFT);
ctx_txd->vlan_macip_lens = rte_cpu_to_le_32(vlan_macip_lens);
ctx_txd->mss_l4len_idx = rte_cpu_to_le_32(mss_l4len_idx);
ctx_txd->seqnum_seed = 0;
* or create a new context descriptor.
*/
static inline uint32_t
-what_advctx_update(struct igb_tx_queue *txq, uint16_t flags,
- uint32_t vlan_macip_lens)
+what_advctx_update(struct ixgbe_tx_queue *txq, uint64_t flags,
+ union ixgbe_tx_offload tx_offload)
{
/* 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.data ==
- (txq->ctx_cache[txq->ctx_curr].cmp_mask & vlan_macip_lens)))) {
+ (txq->ctx_cache[txq->ctx_curr].tx_offload.data ==
+ (txq->ctx_cache[txq->ctx_curr].tx_offload_mask.data & tx_offload.data)))) {
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.data ==
- (txq->ctx_cache[txq->ctx_curr].cmp_mask & vlan_macip_lens)))) {
+ (txq->ctx_cache[txq->ctx_curr].tx_offload.data ==
+ (txq->ctx_cache[txq->ctx_curr].tx_offload_mask.data & tx_offload.data)))) {
return txq->ctx_curr;
}
}
static inline uint32_t
-tx_desc_cksum_flags_to_olinfo(uint16_t ol_flags)
+tx_desc_cksum_flags_to_olinfo(uint64_t ol_flags)
{
- static const uint32_t l4_olinfo[2] = {0, IXGBE_ADVTXD_POPTS_TXSM};
- static const uint32_t l3_olinfo[2] = {0, IXGBE_ADVTXD_POPTS_IXSM};
- uint32_t tmp;
-
- tmp = l4_olinfo[(ol_flags & PKT_TX_L4_MASK) != PKT_TX_L4_NO_CKSUM];
- tmp |= l3_olinfo[(ol_flags & PKT_TX_IP_CKSUM) != 0];
+ uint32_t tmp = 0;
+ if ((ol_flags & PKT_TX_L4_MASK) != PKT_TX_L4_NO_CKSUM)
+ tmp |= IXGBE_ADVTXD_POPTS_TXSM;
+ if (ol_flags & PKT_TX_IP_CKSUM)
+ tmp |= IXGBE_ADVTXD_POPTS_IXSM;
+ if (ol_flags & PKT_TX_TCP_SEG)
+ tmp |= IXGBE_ADVTXD_POPTS_TXSM;
return tmp;
}
static inline uint32_t
-tx_desc_vlan_flags_to_cmdtype(uint16_t ol_flags)
+tx_desc_ol_flags_to_cmdtype(uint64_t ol_flags)
{
- static const uint32_t vlan_cmd[2] = {0, IXGBE_ADVTXD_DCMD_VLE};
- return vlan_cmd[(ol_flags & PKT_TX_VLAN_PKT) != 0];
+ uint32_t cmdtype = 0;
+ if (ol_flags & PKT_TX_VLAN_PKT)
+ cmdtype |= IXGBE_ADVTXD_DCMD_VLE;
+ if (ol_flags & PKT_TX_TCP_SEG)
+ cmdtype |= IXGBE_ADVTXD_DCMD_TSE;
+ return cmdtype;
}
/* Default RS bit threshold values */
/* Reset transmit descriptors after they have been used */
static inline int
-ixgbe_xmit_cleanup(struct igb_tx_queue *txq)
+ixgbe_xmit_cleanup(struct ixgbe_tx_queue *txq)
{
- struct igb_tx_entry *sw_ring = txq->sw_ring;
+ struct ixgbe_tx_entry *sw_ring = txq->sw_ring;
volatile union ixgbe_adv_tx_desc *txr = txq->tx_ring;
uint16_t last_desc_cleaned = txq->last_desc_cleaned;
uint16_t nb_tx_desc = txq->nb_tx_desc;
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;
+ struct ixgbe_tx_queue *txq;
+ struct ixgbe_tx_entry *sw_ring;
+ struct ixgbe_tx_entry *txe, *txn;
volatile union ixgbe_adv_tx_desc *txr;
volatile union ixgbe_adv_tx_desc *txd;
struct rte_mbuf *tx_pkt;
uint32_t cmd_type_len;
uint32_t pkt_len;
uint16_t slen;
- uint16_t ol_flags;
+ uint64_t ol_flags;
uint16_t tx_id;
uint16_t tx_last;
uint16_t nb_tx;
uint16_t nb_used;
- uint16_t tx_ol_req;
- uint32_t vlan_macip_lens;
+ uint64_t tx_ol_req;
uint32_t ctx = 0;
uint32_t new_ctx;
+ union ixgbe_tx_offload tx_offload = {0};
txq = tx_queue;
sw_ring = txq->sw_ring;
ixgbe_xmit_cleanup(txq);
}
+ rte_prefetch0(&txe->mbuf->pool);
+
/* TX loop */
for (nb_tx = 0; nb_tx < nb_pkts; nb_tx++) {
new_ctx = 0;
tx_pkt = *tx_pkts++;
- pkt_len = tx_pkt->pkt.pkt_len;
-
- RTE_MBUF_PREFETCH_TO_FREE(txe->mbuf);
+ pkt_len = tx_pkt->pkt_len;
/*
* Determine how many (if any) context descriptors
* are needed for offload functionality.
*/
ol_flags = tx_pkt->ol_flags;
- vlan_macip_lens = tx_pkt->pkt.vlan_macip.data;
/* If hardware offload required */
- tx_ol_req = (uint16_t)(ol_flags & PKT_TX_OFFLOAD_MASK);
+ tx_ol_req = ol_flags & IXGBE_TX_OFFLOAD_MASK;
if (tx_ol_req) {
+ tx_offload.l2_len = tx_pkt->l2_len;
+ tx_offload.l3_len = tx_pkt->l3_len;
+ tx_offload.l4_len = tx_pkt->l4_len;
+ tx_offload.vlan_tci = tx_pkt->vlan_tci;
+ tx_offload.tso_segsz = tx_pkt->tso_segsz;
+
/* If new context need be built or reuse the exist ctx. */
ctx = what_advctx_update(txq, tx_ol_req,
- vlan_macip_lens);
+ tx_offload);
/* 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 = (uint16_t)(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
tx_last = (uint16_t) (tx_last - txq->nb_tx_desc);
PMD_TX_LOG(DEBUG, "port_id=%u queue_id=%u pktlen=%u"
- " tx_first=%u tx_last=%u\n",
+ " tx_first=%u tx_last=%u",
(unsigned) txq->port_id,
(unsigned) txq->queue_id,
(unsigned) pkt_len,
*/
cmd_type_len = IXGBE_ADVTXD_DTYP_DATA |
IXGBE_ADVTXD_DCMD_IFCS | IXGBE_ADVTXD_DCMD_DEXT;
- olinfo_status = (pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT);
+
#ifdef RTE_LIBRTE_IEEE1588
if (ol_flags & PKT_TX_IEEE1588_TMST)
cmd_type_len |= IXGBE_ADVTXD_MAC_1588;
#endif
+ olinfo_status = 0;
if (tx_ol_req) {
+
+ if (ol_flags & PKT_TX_TCP_SEG) {
+ /* when TSO is on, paylen in descriptor is the
+ * not the packet len but the tcp payload len */
+ pkt_len -= (tx_offload.l2_len +
+ tx_offload.l3_len + tx_offload.l4_len);
+ }
+
/*
* Setup the TX Advanced Context Descriptor if required
*/
&txr[tx_id];
txn = &sw_ring[txe->next_id];
- RTE_MBUF_PREFETCH_TO_FREE(txn->mbuf);
+ rte_prefetch0(&txn->mbuf->pool);
if (txe->mbuf != NULL) {
rte_pktmbuf_free_seg(txe->mbuf);
}
ixgbe_set_xmit_ctx(txq, ctx_txd, tx_ol_req,
- vlan_macip_lens);
+ tx_offload);
txe->last_id = tx_last;
tx_id = txe->next_id;
* This path will go through
* whatever new/reuse the context descriptor
*/
- cmd_type_len |= tx_desc_vlan_flags_to_cmdtype(ol_flags);
+ cmd_type_len |= tx_desc_ol_flags_to_cmdtype(ol_flags);
olinfo_status |= tx_desc_cksum_flags_to_olinfo(ol_flags);
olinfo_status |= ctx << IXGBE_ADVTXD_IDX_SHIFT;
}
+ olinfo_status |= (pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT);
+
m_seg = tx_pkt;
do {
txd = &txr[tx_id];
txn = &sw_ring[txe->next_id];
+ rte_prefetch0(&txn->mbuf->pool);
if (txe->mbuf != NULL)
rte_pktmbuf_free_seg(txe->mbuf);
/*
* 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);
/*
* RX functions
*
**********************************************************************/
-static inline uint16_t
+static inline uint64_t
rx_desc_hlen_type_rss_to_pkt_flags(uint32_t hl_tp_rs)
{
- uint16_t pkt_flags;
+ uint64_t pkt_flags;
- static uint16_t ip_pkt_types_map[16] = {
+ static const uint64_t ip_pkt_types_map[16] = {
0, PKT_RX_IPV4_HDR, PKT_RX_IPV4_HDR_EXT, PKT_RX_IPV4_HDR_EXT,
PKT_RX_IPV6_HDR, 0, 0, 0,
PKT_RX_IPV6_HDR_EXT, 0, 0, 0,
PKT_RX_IPV6_HDR_EXT, 0, 0, 0,
};
- static uint16_t ip_rss_types_map[16] = {
+ static const uint64_t ip_rss_types_map[16] = {
0, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH,
0, PKT_RX_RSS_HASH, 0, PKT_RX_RSS_HASH,
PKT_RX_RSS_HASH, 0, 0, 0,
};
#ifdef RTE_LIBRTE_IEEE1588
- static uint32_t ip_pkt_etqf_map[8] = {
+ static uint64_t ip_pkt_etqf_map[8] = {
0, 0, 0, PKT_RX_IEEE1588_PTP,
0, 0, 0, 0,
};
- pkt_flags = (uint16_t) ((hl_tp_rs & IXGBE_RXDADV_PKTTYPE_ETQF) ?
- ip_pkt_etqf_map[(hl_tp_rs >> 4) & 0x07] :
- ip_pkt_types_map[(hl_tp_rs >> 4) & 0x0F]);
+ pkt_flags = (hl_tp_rs & IXGBE_RXDADV_PKTTYPE_ETQF) ?
+ ip_pkt_etqf_map[(hl_tp_rs >> 4) & 0x07] :
+ ip_pkt_types_map[(hl_tp_rs >> 4) & 0x0F];
#else
- pkt_flags = (uint16_t) ((hl_tp_rs & IXGBE_RXDADV_PKTTYPE_ETQF) ? 0 :
- ip_pkt_types_map[(hl_tp_rs >> 4) & 0x0F]);
+ pkt_flags = (hl_tp_rs & IXGBE_RXDADV_PKTTYPE_ETQF) ? 0 :
+ ip_pkt_types_map[(hl_tp_rs >> 4) & 0x0F];
#endif
- return (uint16_t)(pkt_flags | ip_rss_types_map[hl_tp_rs & 0xF]);
+ return pkt_flags | ip_rss_types_map[hl_tp_rs & 0xF];
}
-static inline uint16_t
+static inline uint64_t
rx_desc_status_to_pkt_flags(uint32_t rx_status)
{
- uint16_t pkt_flags;
+ uint64_t pkt_flags;
/*
* Check if VLAN present only.
* 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 = (rx_status & IXGBE_RXD_STAT_VP) ? PKT_RX_VLAN_PKT : 0;
#ifdef RTE_LIBRTE_IEEE1588
if (rx_status & IXGBE_RXD_STAT_TMST)
- pkt_flags = (uint16_t)(pkt_flags | PKT_RX_IEEE1588_TMST);
+ pkt_flags = pkt_flags | PKT_RX_IEEE1588_TMST;
#endif
return pkt_flags;
}
-static inline uint16_t
+static inline uint64_t
rx_desc_error_to_pkt_flags(uint32_t rx_status)
{
/*
* Bit 31: IPE, IPv4 checksum error
* Bit 30: L4I, L4I integrity error
*/
- static uint16_t error_to_pkt_flags_map[4] = {
+ static uint64_t error_to_pkt_flags_map[4] = {
0, PKT_RX_L4_CKSUM_BAD, PKT_RX_IP_CKSUM_BAD,
PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD
};
#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
/*
* LOOK_AHEAD defines how many desc statuses to check beyond the
- * current descriptor.
+ * 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.
#error "PMD IXGBE: LOOK_AHEAD must be 8\n"
#endif
static inline int
-ixgbe_rx_scan_hw_ring(struct igb_rx_queue *rxq)
+ixgbe_rx_scan_hw_ring(struct ixgbe_rx_queue *rxq)
{
volatile union ixgbe_adv_rx_desc *rxdp;
- struct igb_rx_entry *rxep;
+ struct ixgbe_rx_entry *rxep;
struct rte_mbuf *mb;
uint16_t pkt_len;
+ uint64_t pkt_flags;
int s[LOOK_AHEAD], nb_dd;
int i, j, nb_rx = 0;
for (j = LOOK_AHEAD-1; j >= 0; --j)
s[j] = rxdp[j].wb.upper.status_error;
- /* Clear everything but the status bits (LSB) */
+ /* Compute how many status bits were set */
+ nb_dd = 0;
for (j = 0; j < LOOK_AHEAD; ++j)
- s[j] &= IXGBE_RXDADV_STAT_DD;
+ nb_dd += s[j] & IXGBE_RXDADV_STAT_DD;
- /* Compute how many status bits were set */
- nb_dd = s[0]+s[1]+s[2]+s[3]+s[4]+s[5]+s[6]+s[7];
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->pkt.data_len = pkt_len;
- mb->pkt.pkt_len = pkt_len;
- mb->pkt.vlan_macip.f.vlan_tci = rxdp[j].wb.upper.vlan;
- mb->pkt.hash.rss = rxdp[j].wb.lower.hi_dword.rss;
+ 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->vlan_tci = rte_le_to_cpu_16(rxdp[j].wb.upper.vlan);
/* convert descriptor fields to rte mbuf flags */
- mb->ol_flags = rx_desc_hlen_type_rss_to_pkt_flags(
+ pkt_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]));
+ pkt_flags |= rx_desc_status_to_pkt_flags(s[j]);
+ pkt_flags |= rx_desc_error_to_pkt_flags(s[j]);
+ mb->ol_flags = pkt_flags;
+
+ if (likely(pkt_flags & PKT_RX_RSS_HASH))
+ mb->hash.rss = rxdp[j].wb.lower.hi_dword.rss;
+ else if (pkt_flags & PKT_RX_FDIR) {
+ mb->hash.fdir.hash =
+ (uint16_t)((rxdp[j].wb.lower.hi_dword.csum_ip.csum)
+ & IXGBE_ATR_HASH_MASK);
+ mb->hash.fdir.id = rxdp[j].wb.lower.hi_dword.csum_ip.ip_id;
+ }
}
/* Move mbuf pointers from the S/W ring to the stage */
}
static inline int
-ixgbe_rx_alloc_bufs(struct igb_rx_queue *rxq)
+ixgbe_rx_alloc_bufs(struct ixgbe_rx_queue *rxq, bool reset_mbuf)
{
volatile union ixgbe_adv_rx_desc *rxdp;
- struct igb_rx_entry *rxep;
+ struct ixgbe_rx_entry *rxep;
struct rte_mbuf *mb;
uint16_t alloc_idx;
- uint64_t dma_addr;
+ __le64 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));
+ alloc_idx = 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);
for (i = 0; i < rxq->rx_free_thresh; ++i) {
/* populate the static rte mbuf fields */
mb = rxep[i].mbuf;
+ if (reset_mbuf) {
+ mb->next = NULL;
+ mb->nb_segs = 1;
+ mb->port = rxq->port_id;
+ }
+
rte_mbuf_refcnt_set(mb, 1);
- mb->type = RTE_MBUF_PKT;
- mb->pkt.next = NULL;
- mb->pkt.data = (char *)mb->buf_addr + RTE_PKTMBUF_HEADROOM;
- mb->pkt.nb_segs = 1;
- mb->pkt.in_port = rxq->port_id;
+ mb->data_off = RTE_PKTMBUF_HEADROOM;
/* populate the descriptors */
- dma_addr = (uint64_t)mb->buf_physaddr + RTE_PKTMBUF_HEADROOM;
+ dma_addr = rte_cpu_to_le_64(RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb));
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);
+ rxq->rx_free_trigger = 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);
+ rxq->rx_free_trigger = 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,
+ixgbe_rx_fill_from_stage(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
struct rte_mbuf **stage = &rxq->rx_stage[rxq->rx_next_avail];
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;
+ struct ixgbe_rx_queue *rxq = (struct ixgbe_rx_queue *)rx_queue;
uint16_t nb_rx = 0;
/* Any previously recv'd pkts will be returned from the Rx stage */
/* if required, allocate new buffers to replenish descriptors */
if (rxq->rx_tail > rxq->rx_free_trigger) {
- if (ixgbe_rx_alloc_bufs(rxq) != 0) {
+ uint16_t cur_free_trigger = rxq->rx_free_trigger;
+
+ if (ixgbe_rx_alloc_bufs(rxq, true) != 0) {
int i, j;
PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
- "queue_id=%u\n", (unsigned) rxq->port_id,
+ "queue_id=%u", (unsigned) rxq->port_id,
(unsigned) rxq->queue_id);
rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed +=
return 0;
}
+
+ /* update tail pointer */
+ rte_wmb();
+ IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr, cur_free_trigger);
}
if (rxq->rx_tail >= rxq->nb_rx_desc)
}
/* split requests into chunks of size RTE_PMD_IXGBE_RX_MAX_BURST */
-uint16_t
+static uint16_t
ixgbe_recv_pkts_bulk_alloc(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
return nb_rx;
}
+
+#else
+
+/* Stub to avoid extra ifdefs */
+static uint16_t
+ixgbe_recv_pkts_bulk_alloc(__rte_unused void *rx_queue,
+ __rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts)
+{
+ return 0;
+}
+
+static inline int
+ixgbe_rx_alloc_bufs(__rte_unused struct ixgbe_rx_queue *rxq,
+ __rte_unused bool reset_mbuf)
+{
+ return -ENOMEM;
+}
#endif /* RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC */
uint16_t
ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
- struct igb_rx_queue *rxq;
+ struct ixgbe_rx_queue *rxq;
volatile union ixgbe_adv_rx_desc *rx_ring;
volatile union ixgbe_adv_rx_desc *rxdp;
- struct igb_rx_entry *sw_ring;
- struct igb_rx_entry *rxe;
+ struct ixgbe_rx_entry *sw_ring;
+ struct ixgbe_rx_entry *rxe;
struct rte_mbuf *rxm;
struct rte_mbuf *nmb;
union ixgbe_adv_rx_desc rxd;
uint16_t rx_id;
uint16_t nb_rx;
uint16_t nb_hold;
- uint16_t pkt_flags;
+ uint64_t pkt_flags;
nb_rx = 0;
nb_hold = 0;
* frames to its peer(s).
*/
PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_id=%u "
- "ext_err_stat=0x%08x pkt_len=%u\n",
+ "ext_err_stat=0x%08x pkt_len=%u",
(unsigned) rxq->port_id, (unsigned) rxq->queue_id,
(unsigned) rx_id, (unsigned) staterr,
(unsigned) rte_le_to_cpu_16(rxd.wb.upper.length));
nmb = rte_rxmbuf_alloc(rxq->mb_pool);
if (nmb == NULL) {
PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
- "queue_id=%u\n", (unsigned) rxq->port_id,
+ "queue_id=%u", (unsigned) rxq->port_id,
(unsigned) rxq->queue_id);
rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed++;
break;
*/
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_macip.f.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 = (uint16_t)(pkt_flags |
- rx_desc_status_to_pkt_flags(staterr));
- pkt_flags = (uint16_t)(pkt_flags |
- rx_desc_error_to_pkt_flags(staterr));
+ pkt_flags = pkt_flags | rx_desc_status_to_pkt_flags(staterr);
+ pkt_flags = 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
nb_hold = (uint16_t) (nb_hold + rxq->nb_rx_hold);
if (nb_hold > rxq->rx_free_thresh) {
PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_tail=%u "
- "nb_hold=%u nb_rx=%u\n",
+ "nb_hold=%u nb_rx=%u",
(unsigned) rxq->port_id, (unsigned) rxq->queue_id,
(unsigned) rx_id, (unsigned) nb_hold,
(unsigned) nb_rx);
return (nb_rx);
}
+/**
+ * Detect an RSC descriptor.
+ */
+static inline uint32_t
+ixgbe_rsc_count(union ixgbe_adv_rx_desc *rx)
+{
+ return (rte_le_to_cpu_32(rx->wb.lower.lo_dword.data) &
+ IXGBE_RXDADV_RSCCNT_MASK) >> IXGBE_RXDADV_RSCCNT_SHIFT;
+}
+
+/**
+ * ixgbe_fill_cluster_head_buf - fill the first mbuf of the returned packet
+ *
+ * Fill the following info in the HEAD buffer of the Rx cluster:
+ * - RX port identifier
+ * - hardware offload data, if any:
+ * - RSS flag & hash
+ * - IP checksum flag
+ * - VLAN TCI, if any
+ * - error flags
+ * @head HEAD of the packet cluster
+ * @desc HW descriptor to get data from
+ * @port_id Port ID of the Rx queue
+ */
+static inline void
+ixgbe_fill_cluster_head_buf(
+ struct rte_mbuf *head,
+ union ixgbe_adv_rx_desc *desc,
+ uint8_t port_id,
+ uint32_t staterr)
+{
+ uint32_t hlen_type_rss;
+ uint64_t pkt_flags;
+
+ head->port = port_id;
+
+ /*
+ * The vlan_tci field is only valid when PKT_RX_VLAN_PKT is
+ * set in the pkt_flags field.
+ */
+ head->vlan_tci = rte_le_to_cpu_16(desc->wb.upper.vlan);
+ hlen_type_rss = rte_le_to_cpu_32(desc->wb.lower.lo_dword.data);
+ pkt_flags = rx_desc_hlen_type_rss_to_pkt_flags(hlen_type_rss);
+ pkt_flags |= rx_desc_status_to_pkt_flags(staterr);
+ pkt_flags |= rx_desc_error_to_pkt_flags(staterr);
+ head->ol_flags = pkt_flags;
+
+ if (likely(pkt_flags & PKT_RX_RSS_HASH))
+ head->hash.rss = rte_le_to_cpu_32(desc->wb.lower.hi_dword.rss);
+ else if (pkt_flags & PKT_RX_FDIR) {
+ head->hash.fdir.hash =
+ rte_le_to_cpu_16(desc->wb.lower.hi_dword.csum_ip.csum)
+ & IXGBE_ATR_HASH_MASK;
+ head->hash.fdir.id =
+ rte_le_to_cpu_16(desc->wb.lower.hi_dword.csum_ip.ip_id);
+ }
+}
+
+/**
+ * ixgbe_recv_pkts_lro - receive handler for and LRO case.
+ *
+ * @rx_queue Rx queue handle
+ * @rx_pkts table of received packets
+ * @nb_pkts size of rx_pkts table
+ * @bulk_alloc if TRUE bulk allocation is used for a HW ring refilling
+ *
+ * Handles the Rx HW ring completions when RSC feature is configured. Uses an
+ * additional ring of ixgbe_rsc_entry's that will hold the relevant RSC info.
+ *
+ * We use the same logic as in Linux and in FreeBSD ixgbe drivers:
+ * 1) When non-EOP RSC completion arrives:
+ * a) Update the HEAD of the current RSC aggregation cluster with the new
+ * segment's data length.
+ * b) Set the "next" pointer of the current segment to point to the segment
+ * at the NEXTP index.
+ * c) Pass the HEAD of RSC aggregation cluster on to the next NEXTP entry
+ * in the sw_rsc_ring.
+ * 2) When EOP arrives we just update the cluster's total length and offload
+ * flags and deliver the cluster up to the upper layers. In our case - put it
+ * in the rx_pkts table.
+ *
+ * Returns the number of received packets/clusters (according to the "bulk
+ * receive" interface).
+ */
+static inline uint16_t
+ixgbe_recv_pkts_lro(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts,
+ bool bulk_alloc)
+{
+ struct ixgbe_rx_queue *rxq = rx_queue;
+ volatile union ixgbe_adv_rx_desc *rx_ring = rxq->rx_ring;
+ struct ixgbe_rx_entry *sw_ring = rxq->sw_ring;
+ struct ixgbe_rsc_entry *sw_rsc_ring = rxq->sw_rsc_ring;
+ uint16_t rx_id = rxq->rx_tail;
+ uint16_t nb_rx = 0;
+ uint16_t nb_hold = rxq->nb_rx_hold;
+ uint16_t prev_id = rxq->rx_tail;
+
+ while (nb_rx < nb_pkts) {
+ bool eop;
+ struct ixgbe_rx_entry *rxe;
+ struct ixgbe_rsc_entry *rsc_entry;
+ struct ixgbe_rsc_entry *next_rsc_entry;
+ struct ixgbe_rx_entry *next_rxe;
+ struct rte_mbuf *first_seg;
+ struct rte_mbuf *rxm;
+ struct rte_mbuf *nmb;
+ union ixgbe_adv_rx_desc rxd;
+ uint16_t data_len;
+ uint16_t next_id;
+ volatile union ixgbe_adv_rx_desc *rxdp;
+ uint32_t staterr;
+
+next_desc:
+ /*
+ * The code in this whole file uses the volatile pointer to
+ * ensure the read ordering of the status and the rest of the
+ * descriptor fields (on the compiler level only!!!). This is so
+ * UGLY - why not to just use the compiler barrier instead? DPDK
+ * even has the rte_compiler_barrier() for that.
+ *
+ * But most importantly this is just wrong because this doesn't
+ * ensure memory ordering in a general case at all. For
+ * instance, DPDK is supposed to work on Power CPUs where
+ * compiler barrier may just not be enough!
+ *
+ * I tried to write only this function properly to have a
+ * starting point (as a part of an LRO/RSC series) but the
+ * compiler cursed at me when I tried to cast away the
+ * "volatile" from rx_ring (yes, it's volatile too!!!). So, I'm
+ * keeping it the way it is for now.
+ *
+ * The code in this file is broken in so many other places and
+ * will just not work on a big endian CPU anyway therefore the
+ * lines below will have to be revisited together with the rest
+ * of the ixgbe PMD.
+ *
+ * TODO:
+ * - Get rid of "volatile" crap and let the compiler do its
+ * job.
+ * - Use the proper memory barrier (rte_rmb()) to ensure the
+ * memory ordering below.
+ */
+ rxdp = &rx_ring[rx_id];
+ staterr = rte_le_to_cpu_32(rxdp->wb.upper.status_error);
+
+ if (!(staterr & IXGBE_RXDADV_STAT_DD))
+ break;
+
+ rxd = *rxdp;
+
+ PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_id=%u "
+ "staterr=0x%x data_len=%u",
+ rxq->port_id, rxq->queue_id, rx_id, staterr,
+ rte_le_to_cpu_16(rxd.wb.upper.length));
+
+ if (!bulk_alloc) {
+ nmb = rte_rxmbuf_alloc(rxq->mb_pool);
+ if (nmb == NULL) {
+ PMD_RX_LOG(DEBUG, "RX mbuf alloc failed "
+ "port_id=%u queue_id=%u",
+ rxq->port_id, rxq->queue_id);
+
+ rte_eth_devices[rxq->port_id].data->
+ rx_mbuf_alloc_failed++;
+ break;
+ }
+ } else if (nb_hold > rxq->rx_free_thresh) {
+ uint16_t next_rdt = rxq->rx_free_trigger;
+
+ if (!ixgbe_rx_alloc_bufs(rxq, false)) {
+ rte_wmb();
+ IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr,
+ next_rdt);
+ nb_hold -= rxq->rx_free_thresh;
+ } else {
+ PMD_RX_LOG(DEBUG, "RX bulk alloc failed "
+ "port_id=%u queue_id=%u",
+ rxq->port_id, rxq->queue_id);
+
+ rte_eth_devices[rxq->port_id].data->
+ rx_mbuf_alloc_failed++;
+ break;
+ }
+ }
+
+ nb_hold++;
+ rxe = &sw_ring[rx_id];
+ eop = staterr & IXGBE_RXDADV_STAT_EOP;
+
+ next_id = rx_id + 1;
+ if (next_id == rxq->nb_rx_desc)
+ next_id = 0;
+
+ /* Prefetch next mbuf while processing current one. */
+ rte_ixgbe_prefetch(sw_ring[next_id].mbuf);
+
+ /*
+ * When next RX descriptor is on a cache-line boundary,
+ * prefetch the next 4 RX descriptors and the next 4 pointers
+ * to mbufs.
+ */
+ if ((next_id & 0x3) == 0) {
+ rte_ixgbe_prefetch(&rx_ring[next_id]);
+ rte_ixgbe_prefetch(&sw_ring[next_id]);
+ }
+
+ rxm = rxe->mbuf;
+
+ if (!bulk_alloc) {
+ __le64 dma =
+ rte_cpu_to_le_64(RTE_MBUF_DATA_DMA_ADDR_DEFAULT(nmb));
+ /*
+ * Update RX descriptor with the physical address of the
+ * new data buffer of the new allocated mbuf.
+ */
+ rxe->mbuf = nmb;
+
+ rxm->data_off = RTE_PKTMBUF_HEADROOM;
+ rxdp->read.hdr_addr = dma;
+ rxdp->read.pkt_addr = dma;
+ } else
+ rxe->mbuf = NULL;
+
+ /*
+ * Set data length & data buffer address of mbuf.
+ */
+ data_len = rte_le_to_cpu_16(rxd.wb.upper.length);
+ rxm->data_len = data_len;
+
+ if (!eop) {
+ uint16_t nextp_id;
+ /*
+ * Get next descriptor index:
+ * - For RSC it's in the NEXTP field.
+ * - For a scattered packet - it's just a following
+ * descriptor.
+ */
+ if (ixgbe_rsc_count(&rxd))
+ nextp_id =
+ (staterr & IXGBE_RXDADV_NEXTP_MASK) >>
+ IXGBE_RXDADV_NEXTP_SHIFT;
+ else
+ nextp_id = next_id;
+
+ next_rsc_entry = &sw_rsc_ring[nextp_id];
+ next_rxe = &sw_ring[nextp_id];
+ rte_ixgbe_prefetch(next_rxe);
+ }
+
+ rsc_entry = &sw_rsc_ring[rx_id];
+ first_seg = rsc_entry->fbuf;
+ rsc_entry->fbuf = NULL;
+
+ /*
+ * If this is the first buffer of the received packet,
+ * set the pointer to the first mbuf of the packet and
+ * initialize its context.
+ * Otherwise, update the total length and the number of segments
+ * of the current scattered packet, and update the pointer to
+ * the last mbuf of the current packet.
+ */
+ if (first_seg == NULL) {
+ first_seg = rxm;
+ first_seg->pkt_len = data_len;
+ first_seg->nb_segs = 1;
+ } else {
+ first_seg->pkt_len += data_len;
+ first_seg->nb_segs++;
+ }
+
+ prev_id = rx_id;
+ rx_id = next_id;
+
+ /*
+ * If this is not the last buffer of the received packet, update
+ * the pointer to the first mbuf at the NEXTP entry in the
+ * sw_rsc_ring and continue to parse the RX ring.
+ */
+ if (!eop) {
+ rxm->next = next_rxe->mbuf;
+ next_rsc_entry->fbuf = first_seg;
+ goto next_desc;
+ }
+
+ /*
+ * This is the last buffer of the received packet - return
+ * the current cluster to the user.
+ */
+ rxm->next = NULL;
+
+ /* Initialize the first mbuf of the returned packet */
+ ixgbe_fill_cluster_head_buf(first_seg, &rxd, rxq->port_id,
+ staterr);
+
+ /* Prefetch data of first segment, if configured to do so. */
+ rte_packet_prefetch((char *)first_seg->buf_addr +
+ first_seg->data_off);
+
+ /*
+ * Store the mbuf address into the next entry of the array
+ * of returned packets.
+ */
+ rx_pkts[nb_rx++] = first_seg;
+ }
+
+ /*
+ * Record index of the next RX descriptor to probe.
+ */
+ rxq->rx_tail = rx_id;
+
+ /*
+ * If the number of free RX descriptors is greater than the RX free
+ * threshold of the queue, advance the Receive Descriptor Tail (RDT)
+ * register.
+ * Update the RDT with the value of the last processed RX descriptor
+ * minus 1, to guarantee that the RDT register is never equal to the
+ * RDH register, which creates a "full" ring situtation from the
+ * hardware point of view...
+ */
+ if (!bulk_alloc && nb_hold > rxq->rx_free_thresh) {
+ PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_tail=%u "
+ "nb_hold=%u nb_rx=%u",
+ rxq->port_id, rxq->queue_id, rx_id, nb_hold, nb_rx);
+
+ rte_wmb();
+ IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr, prev_id);
+ nb_hold = 0;
+ }
+
+ rxq->nb_rx_hold = nb_hold;
+ return nb_rx;
+}
+
+uint16_t
+ixgbe_recv_pkts_lro_single_alloc(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ return ixgbe_recv_pkts_lro(rx_queue, rx_pkts, nb_pkts, false);
+}
+
+uint16_t
+ixgbe_recv_pkts_lro_bulk_alloc(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ return ixgbe_recv_pkts_lro(rx_queue, rx_pkts, nb_pkts, true);
+}
+
uint16_t
ixgbe_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
- struct igb_rx_queue *rxq;
+ struct ixgbe_rx_queue *rxq;
volatile union ixgbe_adv_rx_desc *rx_ring;
volatile union ixgbe_adv_rx_desc *rxdp;
- struct igb_rx_entry *sw_ring;
- struct igb_rx_entry *rxe;
+ struct ixgbe_rx_entry *sw_ring;
+ struct ixgbe_rx_entry *rxe;
struct rte_mbuf *first_seg;
struct rte_mbuf *last_seg;
struct rte_mbuf *rxm;
union ixgbe_adv_rx_desc rxd;
uint64_t dma; /* Physical address of mbuf data buffer */
uint32_t staterr;
- uint32_t hlen_type_rss;
uint16_t rx_id;
uint16_t nb_rx;
uint16_t nb_hold;
uint16_t data_len;
- uint16_t pkt_flags;
nb_rx = 0;
nb_hold = 0;
* to happen by sending specific "back-pressure" flow control
* frames to its peer(s).
*/
- PMD_RX_LOG(DEBUG, "\nport_id=%u queue_id=%u rx_id=%u "
- "staterr=0x%x data_len=%u\n",
+ PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_id=%u "
+ "staterr=0x%x data_len=%u",
(unsigned) rxq->port_id, (unsigned) rxq->queue_id,
(unsigned) rx_id, (unsigned) staterr,
(unsigned) rte_le_to_cpu_16(rxd.wb.upper.length));
nmb = rte_rxmbuf_alloc(rxq->mb_pool);
if (nmb == NULL) {
PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
- "queue_id=%u\n", (unsigned) rxq->port_id,
+ "queue_id=%u", (unsigned) rxq->port_id,
(unsigned) rxq->queue_id);
rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed++;
break;
* 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);
}
+ /* Initialize the first mbuf of the returned packet */
+ ixgbe_fill_cluster_head_buf(first_seg, &rxd, rxq->port_id,
+ staterr);
+
+ /* Prefetch data of first segment, if configured to do so. */
+ rte_packet_prefetch((char *)first_seg->buf_addr +
+ first_seg->data_off);
+
/*
- * Initialize the first mbuf of the returned packet:
- * - RX port identifier,
- * - hardware offload data, if any:
- * - RSS flag & hash,
- * - IP checksum flag,
- * - VLAN TCI, if any,
- * - error flags.
+ * Store the mbuf address into the next entry of the array
+ * of returned packets.
*/
- first_seg->pkt.in_port = rxq->port_id;
+ rx_pkts[nb_rx++] = first_seg;
/*
- * The vlan_tci field is only valid when PKT_RX_VLAN_PKT is
- * set in the pkt_flags field.
- */
- first_seg->pkt.vlan_macip.f.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 = (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;
- else if (pkt_flags & PKT_RX_FDIR) {
- first_seg->pkt.hash.fdir.hash =
- (uint16_t)((rxd.wb.lower.hi_dword.csum_ip.csum)
- & IXGBE_ATR_HASH_MASK);
- first_seg->pkt.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);
-
- /*
- * Store the mbuf address into the next entry of the array
- * of returned packets.
- */
- rx_pkts[nb_rx++] = first_seg;
-
- /*
- * Setup receipt context for a new packet.
+ * Setup receipt context for a new packet.
*/
first_seg = NULL;
}
nb_hold = (uint16_t) (nb_hold + rxq->nb_rx_hold);
if (nb_hold > rxq->rx_free_thresh) {
PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_tail=%u "
- "nb_hold=%u nb_rx=%u\n",
+ "nb_hold=%u nb_rx=%u",
(unsigned) rxq->port_id, (unsigned) rxq->queue_id,
(unsigned) rx_id, (unsigned) nb_hold,
(unsigned) nb_rx);
* 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;
+#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);
+ socket_id, 0, IXGBE_ALIGN);
+#endif
}
static void
-ixgbe_tx_queue_release_mbufs(struct igb_tx_queue *txq)
+ixgbe_tx_queue_release_mbufs(struct ixgbe_tx_queue *txq)
{
unsigned i;
}
static void
-ixgbe_tx_queue_release(struct igb_tx_queue *txq)
+ixgbe_tx_free_swring(struct ixgbe_tx_queue *txq)
{
- if (txq != NULL) {
- ixgbe_tx_queue_release_mbufs(txq);
+ if (txq != NULL &&
+ txq->sw_ring != NULL)
rte_free(txq->sw_ring);
+}
+
+static void
+ixgbe_tx_queue_release(struct ixgbe_tx_queue *txq)
+{
+ if (txq != NULL && txq->ops != NULL) {
+ txq->ops->release_mbufs(txq);
+ txq->ops->free_swring(txq);
rte_free(txq);
}
}
ixgbe_tx_queue_release(txq);
}
-/* (Re)set dynamic igb_tx_queue fields to defaults */
+/* (Re)set dynamic ixgbe_tx_queue fields to defaults */
static void
-ixgbe_reset_tx_queue(struct igb_tx_queue *txq)
+ixgbe_reset_tx_queue(struct ixgbe_tx_queue *txq)
{
- struct igb_tx_entry *txe = txq->sw_ring;
+ static const union ixgbe_adv_tx_desc zeroed_desc = {{0}};
+ struct ixgbe_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 */
IXGBE_CTX_NUM * sizeof(struct ixgbe_advctx_info));
}
+static const 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,
+};
+
+/* Takes an ethdev and a queue and sets up the tx function to be used based on
+ * the queue parameters. Used in tx_queue_setup by primary process and then
+ * in dev_init by secondary process when attaching to an existing ethdev.
+ */
+void
+ixgbe_set_tx_function(struct rte_eth_dev *dev, struct ixgbe_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");
+#ifdef RTE_IXGBE_INC_VECTOR
+ if (txq->tx_rs_thresh <= RTE_IXGBE_TX_MAX_FREE_BUF_SZ &&
+ (rte_eal_process_type() != RTE_PROC_PRIMARY ||
+ ixgbe_txq_vec_setup(txq) == 0)) {
+ PMD_INIT_LOG(INFO, "Vector tx enabled.");
+ 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");
+ PMD_INIT_LOG(INFO,
+ " - txq_flags = %lx " "[IXGBE_SIMPLE_FLAGS=%lx]",
+ (unsigned long)txq->txq_flags,
+ (unsigned long)IXGBE_SIMPLE_FLAGS);
+ PMD_INIT_LOG(INFO,
+ " - tx_rs_thresh = %lu " "[RTE_PMD_IXGBE_TX_MAX_BURST=%lu]",
+ (unsigned long)txq->tx_rs_thresh,
+ (unsigned long)RTE_PMD_IXGBE_TX_MAX_BURST);
+ dev->tx_pkt_burst = ixgbe_xmit_pkts;
+ }
+}
+
int
ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
const struct rte_eth_txconf *tx_conf)
{
const struct rte_memzone *tz;
- struct igb_tx_queue *txq;
+ struct ixgbe_tx_queue *txq;
struct ixgbe_hw *hw;
uint16_t tx_rs_thresh, tx_free_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)\n", (unsigned int)tx_rs_thresh,
- (int)dev->data->port_id, (int)queue_idx);
+ PMD_INIT_LOG(ERR, "tx_rs_thresh must be less than the number "
+ "of TX descriptors minus 2. (tx_rs_thresh=%u "
+ "port=%d queue=%d)", (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)\n", (unsigned int)tx_free_thresh,
- (int)dev->data->port_id, (int)queue_idx);
+ PMD_INIT_LOG(ERR, "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)",
+ (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)\n", (unsigned int)tx_free_thresh,
- (unsigned int)tx_rs_thresh, (int)dev->data->port_id,
- (int)queue_idx);
+ PMD_INIT_LOG(ERR, "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)",
+ (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);
+ PMD_INIT_LOG(ERR, "tx_rs_thresh must be a divisor of the "
+ "number of TX descriptors. (tx_rs_thresh=%u "
+ "port=%d queue=%d)", (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 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);
+ PMD_INIT_LOG(ERR, "TX WTHRESH must be set to 0 if "
+ "tx_rs_thresh is greater than 1. (tx_rs_thresh=%u "
+ "port=%d queue=%d)", (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 ixgbe_tx_queue),
+ RTE_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->tx_deferred_start = tx_conf->tx_deferred_start;
/*
* Modification to set VFTDT for virtual function if vf is detected
*/
- if (hw->mac.type == ixgbe_mac_82599_vf)
+ if (hw->mac.type == ixgbe_mac_82599_vf ||
+ hw->mac.type == ixgbe_mac_X540_vf ||
+ hw->mac.type == ixgbe_mac_X550_vf ||
+ hw->mac.type == ixgbe_mac_X550EM_x_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 ixgbe_tx_entry) * nb_desc,
+ RTE_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",
+ PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
txq->sw_ring, txq->tx_ring, txq->tx_ring_phys_addr);
- ixgbe_reset_tx_queue(txq);
+ /* set up vector or scalar TX function as appropriate */
+ ixgbe_set_tx_function(dev, txq);
+
+ txq->ops->reset(txq);
dev->data->tx_queues[queue_idx] = 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))
- dev->tx_pkt_burst = ixgbe_xmit_pkts_simple;
- else
- dev->tx_pkt_burst = ixgbe_xmit_pkts;
return (0);
}
+/**
+ * ixgbe_free_rsc_cluster - free the not-yet-completed RSC cluster
+ *
+ * The "next" pointer of the last segment of (not-yet-completed) RSC clusters
+ * in the sw_rsc_ring is not set to NULL but rather points to the next
+ * mbuf of this RSC aggregation (that has not been completed yet and still
+ * resides on the HW ring). So, instead of calling for rte_pktmbuf_free() we
+ * will just free first "nb_segs" segments of the cluster explicitly by calling
+ * an rte_pktmbuf_free_seg().
+ *
+ * @m RSC cluster head
+ */
+static void
+ixgbe_free_rsc_cluster(struct rte_mbuf *m)
+{
+ uint8_t i, nb_segs = m->nb_segs;
+ struct rte_mbuf *next_seg;
+
+ for (i = 0; i < nb_segs; i++) {
+ next_seg = m->next;
+ rte_pktmbuf_free_seg(m);
+ m = next_seg;
+ }
+}
+
static void
-ixgbe_rx_queue_release_mbufs(struct igb_rx_queue *rxq)
+ixgbe_rx_queue_release_mbufs(struct ixgbe_rx_queue *rxq)
{
unsigned i;
}
#endif
}
+
+ if (rxq->sw_rsc_ring)
+ for (i = 0; i < rxq->nb_rx_desc; i++)
+ if (rxq->sw_rsc_ring[i].fbuf) {
+ ixgbe_free_rsc_cluster(rxq->sw_rsc_ring[i].fbuf);
+ rxq->sw_rsc_ring[i].fbuf = NULL;
+ }
}
static void
-ixgbe_rx_queue_release(struct igb_rx_queue *rxq)
+ixgbe_rx_queue_release(struct ixgbe_rx_queue *rxq)
{
if (rxq != NULL) {
ixgbe_rx_queue_release_mbufs(rxq);
rte_free(rxq->sw_ring);
+ rte_free(rxq->sw_rsc_ring);
rte_free(rxq);
}
}
*/
static inline int
#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
-check_rx_burst_bulk_alloc_preconditions(struct igb_rx_queue *rxq)
+check_rx_burst_bulk_alloc_preconditions(struct ixgbe_rx_queue *rxq)
#else
-check_rx_burst_bulk_alloc_preconditions(__rte_unused struct igb_rx_queue *rxq)
+check_rx_burst_bulk_alloc_preconditions(__rte_unused struct ixgbe_rx_queue *rxq)
#endif
{
int ret = 0;
* outside of this function.
*/
#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
- if (! (rxq->rx_free_thresh >= RTE_PMD_IXGBE_RX_MAX_BURST))
+ if (!(rxq->rx_free_thresh >= RTE_PMD_IXGBE_RX_MAX_BURST)) {
+ PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
+ "rxq->rx_free_thresh=%d, "
+ "RTE_PMD_IXGBE_RX_MAX_BURST=%d",
+ rxq->rx_free_thresh, RTE_PMD_IXGBE_RX_MAX_BURST);
ret = -EINVAL;
- else if (! (rxq->rx_free_thresh < rxq->nb_rx_desc))
+ } else if (!(rxq->rx_free_thresh < rxq->nb_rx_desc)) {
+ PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
+ "rxq->rx_free_thresh=%d, "
+ "rxq->nb_rx_desc=%d",
+ rxq->rx_free_thresh, rxq->nb_rx_desc);
ret = -EINVAL;
- else if (! ((rxq->nb_rx_desc % rxq->rx_free_thresh) == 0))
+ } else if (!((rxq->nb_rx_desc % rxq->rx_free_thresh) == 0)) {
+ PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
+ "rxq->nb_rx_desc=%d, "
+ "rxq->rx_free_thresh=%d",
+ rxq->nb_rx_desc, rxq->rx_free_thresh);
ret = -EINVAL;
- else if (! (rxq->nb_rx_desc <
- (IXGBE_MAX_RING_DESC - RTE_PMD_IXGBE_RX_MAX_BURST)))
+ } else if (!(rxq->nb_rx_desc <
+ (IXGBE_MAX_RING_DESC - RTE_PMD_IXGBE_RX_MAX_BURST))) {
+ PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
+ "rxq->nb_rx_desc=%d, "
+ "IXGBE_MAX_RING_DESC=%d, "
+ "RTE_PMD_IXGBE_RX_MAX_BURST=%d",
+ rxq->nb_rx_desc, IXGBE_MAX_RING_DESC,
+ RTE_PMD_IXGBE_RX_MAX_BURST);
ret = -EINVAL;
+ }
#else
ret = -EINVAL;
#endif
return ret;
}
-/* Reset dynamic igb_rx_queue fields back to defaults */
+/* Reset dynamic ixgbe_rx_queue fields back to defaults */
static void
-ixgbe_reset_rx_queue(struct igb_rx_queue *rxq)
+ixgbe_reset_rx_queue(struct ixgbe_hw *hw, struct ixgbe_rx_queue *rxq)
{
+ static const union ixgbe_adv_rx_desc zeroed_desc = {{0}};
unsigned i;
- uint16_t len;
+ uint16_t len = rxq->nb_rx_desc;
/*
* By default, the Rx queue setup function allocates enough memory for
* 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)
+ if (hw->rx_bulk_alloc_allowed)
/* 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;
+ len += RTE_PMD_IXGBE_RX_MAX_BURST;
/*
* 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 * sizeof(union ixgbe_adv_rx_desc); i++) {
- ((volatile char *)rxq->rx_ring)[i] = 0;
+ for (i = 0; i < len; i++) {
+ rxq->rx_ring[i] = zeroed_desc;
}
#ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
* 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;
+ for (i = rxq->nb_rx_desc; i < len; ++i) {
+ rxq->sw_ring[i].mbuf = &rxq->fake_mbuf;
}
rxq->rx_nb_avail = 0;
rxq->nb_rx_hold = 0;
rxq->pkt_first_seg = NULL;
rxq->pkt_last_seg = NULL;
+ rxq->rsc_en = 0;
}
int
struct rte_mempool *mp)
{
const struct rte_memzone *rz;
- struct igb_rx_queue *rxq;
+ struct ixgbe_rx_queue *rxq;
struct ixgbe_hw *hw;
- int use_def_burst_func = 1;
uint16_t len;
+ struct rte_eth_dev_info dev_info = { 0 };
+ struct rte_eth_rxmode *dev_rx_mode = &dev->data->dev_conf.rxmode;
+ bool rsc_requested = false;
+
+ dev->dev_ops->dev_infos_get(dev, &dev_info);
+ if ((dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO) &&
+ dev_rx_mode->enable_lro)
+ rsc_requested = true;
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 ixgbe_rx_queue),
+ RTE_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->drop_en = rx_conf->rx_drop_en;
+ rxq->rx_deferred_start = rx_conf->rx_deferred_start;
/*
* Allocate RX ring hardware descriptors. A memzone large enough to
* 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 ||
+ hw->mac.type == ixgbe_mac_X540_vf ||
+ hw->mac.type == ixgbe_mac_X550_vf ||
+ hw->mac.type == ixgbe_mac_X550EM_x_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. Allow for space at the end of the
+ * Certain constraints must be met in order to use the bulk buffer
+ * allocation Rx burst function. If any of Rx queues doesn't meet them
+ * the feature should be disabled for the whole port.
+ */
+ if (check_rx_burst_bulk_alloc_preconditions(rxq)) {
+ PMD_INIT_LOG(DEBUG, "queue[%d] doesn't meet Rx Bulk Alloc "
+ "preconditions - canceling the feature for "
+ "the whole port[%d]",
+ rxq->queue_id, rxq->port_id);
+ hw->rx_bulk_alloc_allowed = false;
+ }
+
+ /*
+ * 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("rxq->sw_ring",
- sizeof(struct igb_rx_entry) * len,
- CACHE_LINE_SIZE);
- if (rxq->sw_ring == NULL) {
+ if (hw->rx_bulk_alloc_allowed)
+ len += RTE_PMD_IXGBE_RX_MAX_BURST;
+
+ rxq->sw_ring = rte_zmalloc_socket("rxq->sw_ring",
+ sizeof(struct ixgbe_rx_entry) * len,
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (!rxq->sw_ring) {
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 constaints 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);
+ if (rsc_requested) {
+ rxq->sw_rsc_ring =
+ rte_zmalloc_socket("rxq->sw_rsc_ring",
+ sizeof(struct ixgbe_rsc_entry) * len,
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (!rxq->sw_rsc_ring) {
+ ixgbe_rx_queue_release(rxq);
+ return (-ENOMEM);
+ }
+ } else
+ rxq->sw_rsc_ring = NULL;
+
+ PMD_INIT_LOG(DEBUG, "sw_ring=%p sw_rsc_ring=%p hw_ring=%p "
+ "dma_addr=0x%"PRIx64,
+ rxq->sw_ring, rxq->sw_rsc_ring, rxq->rx_ring,
+ rxq->rx_ring_phys_addr);
+
+ if (!rte_is_power_of_2(nb_desc)) {
+ PMD_INIT_LOG(DEBUG, "queue[%d] doesn't meet Vector Rx "
+ "preconditions - canceling the feature for "
+ "the whole port[%d]",
+ rxq->queue_id, rxq->port_id);
+ hw->rx_vec_allowed = false;
+ } else
+ ixgbe_rxq_vec_setup(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;
-#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);
+ ixgbe_reset_rx_queue(hw, 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 ixgbe_rx_queue *rxq;
+ uint32_t desc = 0;
+
+ if (rx_queue_id >= dev->data->nb_rx_queues) {
+ PMD_RX_LOG(ERR, "Invalid RX queue id=%d", rx_queue_id);
+ return 0;
+ }
+
+ rxq = dev->data->rx_queues[rx_queue_id];
+ rxdp = &(rxq->rx_ring[rxq->rx_tail]);
+
+ 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 ixgbe_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)
{
unsigned i;
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
PMD_INIT_FUNC_TRACE();
for (i = 0; i < dev->data->nb_tx_queues; i++) {
- struct igb_tx_queue *txq = dev->data->tx_queues[i];
+ struct ixgbe_tx_queue *txq = dev->data->tx_queues[i];
if (txq != NULL) {
- ixgbe_tx_queue_release_mbufs(txq);
- ixgbe_reset_tx_queue(txq);
+ 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];
+ struct ixgbe_rx_queue *rxq = dev->data->rx_queues[i];
if (rxq != NULL) {
ixgbe_rx_queue_release_mbufs(rxq);
- ixgbe_reset_rx_queue(rxq);
+ ixgbe_reset_rx_queue(hw, 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)
+ if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP;
if (rss_hf & ETH_RSS_IPV6)
mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6;
if (rss_hf & ETH_RSS_IPV6_EX)
mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX;
- if (rss_hf & ETH_RSS_IPV6_TCP)
+ if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
if (rss_hf & ETH_RSS_IPV6_TCP_EX)
mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP;
- if (rss_hf & ETH_RSS_IPV4_UDP)
+ if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
- if (rss_hf & ETH_RSS_IPV6_UDP)
+ if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
if (rss_hf & ETH_RSS_IPV6_UDP_EX)
mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP;
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_NONFRAG_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_NONFRAG_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_NONFRAG_IPV4_UDP;
+ if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_UDP)
+ rss_hf |= ETH_RSS_NONFRAG_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) */
* @hw: pointer to hardware structure
* @dcb_config: pointer to ixgbe_dcb_config structure
*/
-static void
+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 */
{
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 =
+ struct ixgbe_hw *hw =
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
+
PMD_INIT_FUNC_TRACE();
- if (hw->mac.type != ixgbe_mac_82598EB)
+ 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
+static void
ixgbe_vmdq_dcb_rx_config(struct rte_eth_dev *dev,
struct ixgbe_dcb_config *dcb_config)
{
}
}
-static void
+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;
return;
}
-static void
+static void
ixgbe_dcb_rx_config(struct rte_eth_dev *dev,
struct ixgbe_dcb_config *dcb_config)
{
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 */
+
+ /* 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];
}
}
-static void
+static void
ixgbe_dcb_tx_config(struct rte_eth_dev *dev,
struct ixgbe_dcb_config *dcb_config)
{
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 */
+
+ /* 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];
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);
*/
reg = IXGBE_RTRPCS_RRM | IXGBE_RTRPCS_RAC;
IXGBE_WRITE_REG(hw, IXGBE_RTRPCS, reg);
-
+
return;
}
-static void
+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)
{
break;
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
+ case ixgbe_mac_X550:
+ case ixgbe_mac_X550EM_x:
ixgbe_dcb_config_rx_arbiter_82599(hw, refill, max, bwg_id,
tsa, map);
break;
}
}
-static void
+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)
{
break;
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
+ case ixgbe_mac_X550:
+ case ixgbe_mac_X550EM_x:
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;
#define DCB_TX_CONFIG 1
#define DCB_TX_PB 1024
/**
- * ixgbe_dcb_hw_configure - Enable DCB and configure
+ * 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
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->max_frame_size;
- struct ixgbe_hw *hw =
+ 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_VMDQ_DCB:
+ 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
+ *get dcb and VT rx configuration parameters
*from rte_eth_conf
*/
ixgbe_vmdq_dcb_rx_config(dev,dcb_config);
ixgbe_vmdq_dcb_configure(dev);
}
break;
- case ETH_DCB_RX:
+ 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_hw_config(hw, dcb_config);
break;
default:
- PMD_INIT_LOG(ERR, "Incorrect DCB RX mode configuration\n");
+ PMD_INIT_LOG(ERR, "Incorrect DCB RX mode configuration");
break;
}
switch (dev->data->dev_conf.txmode.mq_mode) {
- case ETH_VMDQ_DCB_TX:
+ 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_vmdq_dcb_hw_tx_config(dev,dcb_config);
break;
- case ETH_DCB_TX:
+ case ETH_MQ_TX_DCB:
dcb_config->vt_mode = false;
- config_dcb_tx = DCB_RX_CONFIG;
+ 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");
+ PMD_INIT_LOG(ERR, "Incorrect DCB TX mode configuration");
break;
}
/* 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++)
+ 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))
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);
-
- PMD_INIT_FUNC_TRACE();
- /** Configure DCB hardware **/
- if(((dev->data->dev_conf.rxmode.mq_mode != ETH_RSS) &&
- (dev->data->nb_rx_queues == ETH_DCB_NUM_QUEUES))||
- ((dev->data->dev_conf.txmode.mq_mode != ETH_DCB_NONE) &&
- (dev->data->nb_tx_queues == ETH_DCB_NUM_QUEUES))) {
- ixgbe_dcb_hw_configure(dev,dcb_cfg);
- }
- return;
-}
+ IXGBE_DEV_PRIVATE_TO_DCB_CFG(dev->data->dev_private);
+ struct rte_eth_conf *dev_conf = &(dev->data->dev_conf);
-static int
-ixgbe_alloc_rx_queue_mbufs(struct igb_rx_queue *rxq)
-{
- struct igb_rx_entry *rxe = rxq->sw_ring;
- uint64_t dma_addr;
- unsigned i;
+ PMD_INIT_FUNC_TRACE();
- /* Initialize software ring entries */
- for (i = 0; i < rxq->nb_rx_desc; i++) {
- volatile union ixgbe_adv_rx_desc *rxd;
- struct rte_mbuf *mbuf = rte_rxmbuf_alloc(rxq->mb_pool);
- if (mbuf == NULL) {
- PMD_INIT_LOG(ERR, "RX mbuf alloc failed queue_id=%u\n",
- (unsigned) rxq->queue_id);
- return (-ENOMEM);
- }
+ /* 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;
- rte_mbuf_refcnt_set(mbuf, 1);
- mbuf->type = RTE_MBUF_PKT;
- mbuf->pkt.next = NULL;
- mbuf->pkt.data = (char *)mbuf->buf_addr + RTE_PKTMBUF_HEADROOM;
- mbuf->pkt.nb_segs = 1;
- mbuf->pkt.in_port = rxq->port_id;
+ if (dev->data->nb_rx_queues != ETH_DCB_NUM_QUEUES)
+ return;
- dma_addr =
- rte_cpu_to_le_64(RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mbuf));
- rxd = &rxq->rx_ring[i];
- rxd->read.hdr_addr = dma_addr;
- rxd->read.pkt_addr = dma_addr;
- rxe[i].mbuf = mbuf;
- }
+ /** Configure DCB hardware **/
+ ixgbe_dcb_hw_configure(dev,dcb_cfg);
- return 0;
+ return;
}
/*
- * Initializes Receive Unit.
+ * VMDq only support for 10 GbE NIC.
*/
-int
-ixgbe_dev_rx_init(struct rte_eth_dev *dev)
+static void
+ixgbe_vmdq_rx_hw_configure(struct rte_eth_dev *dev)
{
- struct ixgbe_hw *hw;
- struct igb_rx_queue *rxq;
- struct rte_pktmbuf_pool_private *mbp_priv;
- uint64_t bus_addr;
- uint32_t rxctrl;
- uint32_t fctrl;
+ struct rte_eth_vmdq_rx_conf *cfg;
+ struct ixgbe_hw *hw;
+ enum rte_eth_nb_pools num_pools;
+ uint32_t mrqc, vt_ctl, vlanctrl;
+ uint32_t vmolr = 0;
+ 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);
+
+ for (i = 0; i < (int)num_pools; i++) {
+ vmolr = ixgbe_convert_vm_rx_mask_to_val(cfg->rx_mode, vmolr);
+ IXGBE_WRITE_REG(hw, IXGBE_VMOLR(i), vmolr);
+ }
+
+ /* 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);
+
+ return;
+}
+
+static int
+ixgbe_alloc_rx_queue_mbufs(struct ixgbe_rx_queue *rxq)
+{
+ struct ixgbe_rx_entry *rxe = rxq->sw_ring;
+ uint64_t dma_addr;
+ unsigned i;
+
+ /* Initialize software ring entries */
+ for (i = 0; i < rxq->nb_rx_desc; i++) {
+ volatile union ixgbe_adv_rx_desc *rxd;
+ struct rte_mbuf *mbuf = rte_rxmbuf_alloc(rxq->mb_pool);
+ if (mbuf == NULL) {
+ PMD_INIT_LOG(ERR, "RX mbuf alloc failed queue_id=%u",
+ (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];
+ rxd->read.hdr_addr = dma_addr;
+ rxd->read.pkt_addr = dma_addr;
+ rxe[i].mbuf = mbuf;
+ }
+
+ return 0;
+}
+
+static int
+ixgbe_config_vf_rss(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw;
+ uint32_t mrqc;
+
+ ixgbe_rss_configure(dev);
+
+ hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ /* MRQC: enable VF RSS */
+ mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
+ mrqc &= ~IXGBE_MRQC_MRQE_MASK;
+ switch (RTE_ETH_DEV_SRIOV(dev).active) {
+ case ETH_64_POOLS:
+ mrqc |= IXGBE_MRQC_VMDQRSS64EN;
+ break;
+
+ case ETH_32_POOLS:
+ mrqc |= IXGBE_MRQC_VMDQRSS32EN;
+ break;
+
+ default:
+ PMD_INIT_LOG(ERR, "Invalid pool number in IOV mode with VMDQ RSS");
+ return -EINVAL;
+ }
+
+ IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
+
+ return 0;
+}
+
+static int
+ixgbe_config_vf_default(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw =
+ IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ switch (RTE_ETH_DEV_SRIOV(dev).active) {
+ 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:
+ PMD_INIT_LOG(ERR,
+ "invalid pool number in IOV mode");
+ break;
+ }
+ 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 {
+ /*
+ * SRIOV active scheme
+ * Support RSS together with VMDq & SRIOV
+ */
+ switch (dev->data->dev_conf.rxmode.mq_mode) {
+ case ETH_MQ_RX_RSS:
+ case ETH_MQ_RX_VMDQ_RSS:
+ ixgbe_config_vf_rss(dev);
+ break;
+
+ /* FIXME if support DCB/RSS together with VMDq & SRIOV */
+ case ETH_MQ_RX_VMDQ_DCB:
+ case ETH_MQ_RX_VMDQ_DCB_RSS:
+ PMD_INIT_LOG(ERR,
+ "Could not support DCB with VMDq & SRIOV");
+ return -1;
+ default:
+ ixgbe_config_vf_default(dev);
+ break;
+ }
+ }
+
+ 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;
+ PMD_INIT_LOG(ERR, "invalid pool number in IOV mode");
+ }
+ IXGBE_WRITE_REG(hw, IXGBE_MTQC, mtqc);
+ }
+
+ /* re-enable arbiter */
+ rttdcs &= ~IXGBE_RTTDCS_ARBDIS;
+ IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
+
+ return 0;
+}
+
+/**
+ * ixgbe_get_rscctl_maxdesc - Calculate the RSCCTL[n].MAXDESC for PF
+ *
+ * Return the RSCCTL[n].MAXDESC for 82599 and x540 PF devices according to the
+ * spec rev. 3.0 chapter 8.2.3.8.13.
+ *
+ * @pool Memory pool of the Rx queue
+ */
+static inline uint32_t
+ixgbe_get_rscctl_maxdesc(struct rte_mempool *pool)
+{
+ struct rte_pktmbuf_pool_private *mp_priv = rte_mempool_get_priv(pool);
+
+ /* MAXDESC * SRRCTL.BSIZEPKT must not exceed 64 KB minus one */
+ uint16_t maxdesc =
+ IPV4_MAX_PKT_LEN /
+ (mp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM);
+
+ if (maxdesc >= 16)
+ return IXGBE_RSCCTL_MAXDESC_16;
+ else if (maxdesc >= 8)
+ return IXGBE_RSCCTL_MAXDESC_8;
+ else if (maxdesc >= 4)
+ return IXGBE_RSCCTL_MAXDESC_4;
+ else
+ return IXGBE_RSCCTL_MAXDESC_1;
+}
+
+/**
+ * ixgbe_set_ivar - Setup the correct IVAR register for a particular MSIX
+ * interrupt
+ *
+ * (Taken from FreeBSD tree)
+ * (yes this is all very magic and confusing :)
+ *
+ * @dev port handle
+ * @entry the register array entry
+ * @vector the MSIX vector for this queue
+ * @type RX/TX/MISC
+ */
+static void
+ixgbe_set_ivar(struct rte_eth_dev *dev, u8 entry, u8 vector, s8 type)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ u32 ivar, index;
+
+ vector |= IXGBE_IVAR_ALLOC_VAL;
+
+ switch (hw->mac.type) {
+
+ case ixgbe_mac_82598EB:
+ if (type == -1)
+ entry = IXGBE_IVAR_OTHER_CAUSES_INDEX;
+ else
+ entry += (type * 64);
+ index = (entry >> 2) & 0x1F;
+ ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index));
+ ivar &= ~(0xFF << (8 * (entry & 0x3)));
+ ivar |= (vector << (8 * (entry & 0x3)));
+ IXGBE_WRITE_REG(hw, IXGBE_IVAR(index), ivar);
+ break;
+
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ if (type == -1) { /* MISC IVAR */
+ index = (entry & 1) * 8;
+ ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC);
+ ivar &= ~(0xFF << index);
+ ivar |= (vector << index);
+ IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar);
+ } else { /* RX/TX IVARS */
+ index = (16 * (entry & 1)) + (8 * type);
+ ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1));
+ ivar &= ~(0xFF << index);
+ ivar |= (vector << index);
+ IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar);
+ }
+
+ break;
+
+ default:
+ break;
+ }
+}
+
+void ixgbe_set_rx_function(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ /*
+ * In order to allow Vector Rx there are a few configuration
+ * conditions to be met and Rx Bulk Allocation should be allowed.
+ */
+ if (ixgbe_rx_vec_dev_conf_condition_check(dev) ||
+ !hw->rx_bulk_alloc_allowed) {
+ PMD_INIT_LOG(DEBUG, "Port[%d] doesn't meet Vector Rx "
+ "preconditions or RTE_IXGBE_INC_VECTOR is "
+ "not enabled",
+ dev->data->port_id);
+
+ hw->rx_vec_allowed = false;
+ }
+
+ /*
+ * Initialize the appropriate LRO callback.
+ *
+ * If all queues satisfy the bulk allocation preconditions
+ * (hw->rx_bulk_alloc_allowed is TRUE) then we may use bulk allocation.
+ * Otherwise use a single allocation version.
+ */
+ if (dev->data->lro) {
+ if (hw->rx_bulk_alloc_allowed) {
+ PMD_INIT_LOG(INFO, "LRO is requested. Using a bulk "
+ "allocation version");
+ dev->rx_pkt_burst = ixgbe_recv_pkts_lro_bulk_alloc;
+ } else {
+ PMD_INIT_LOG(INFO, "LRO is requested. Using a single "
+ "allocation version");
+ dev->rx_pkt_burst = ixgbe_recv_pkts_lro_single_alloc;
+ }
+ } else if (dev->data->scattered_rx) {
+ /*
+ * Set the non-LRO scattered callback: there are Vector and
+ * single allocation versions.
+ */
+ if (hw->rx_vec_allowed) {
+ PMD_INIT_LOG(DEBUG, "Using Vector Scattered Rx "
+ "callback (port=%d).",
+ dev->data->port_id);
+
+ dev->rx_pkt_burst = ixgbe_recv_scattered_pkts_vec;
+ } else {
+ PMD_INIT_LOG(DEBUG, "Using Regualr (non-vector) "
+ "Scattered Rx callback "
+ "(port=%d).",
+ dev->data->port_id);
+
+ dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
+ }
+ /*
+ * Below we set "simple" callbacks according to port/queues parameters.
+ * If parameters allow we are going to choose between the following
+ * callbacks:
+ * - Vector
+ * - Bulk Allocation
+ * - Single buffer allocation (the simplest one)
+ */
+ } else if (hw->rx_vec_allowed) {
+ PMD_INIT_LOG(INFO, "Vector rx enabled, please make sure RX "
+ "burst size no less than 32.");
+
+ dev->rx_pkt_burst = ixgbe_recv_pkts_vec;
+ } else if (hw->rx_bulk_alloc_allowed) {
+ PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are "
+ "satisfied. Rx Burst Bulk Alloc function "
+ "will be used on port=%d.",
+ dev->data->port_id);
+
+ dev->rx_pkt_burst = ixgbe_recv_pkts_bulk_alloc;
+ } else {
+ PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are not "
+ "satisfied, or Scattered Rx is requested, "
+ "or RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC "
+ "is not enabled (port=%d).",
+ dev->data->port_id);
+
+ dev->rx_pkt_burst = ixgbe_recv_pkts;
+ }
+}
+
+/**
+ * ixgbe_set_rsc - configure RSC related port HW registers
+ *
+ * Configures the port's RSC related registers according to the 4.6.7.2 chapter
+ * of 82599 Spec (x540 configuration is virtually the same).
+ *
+ * @dev port handle
+ *
+ * Returns 0 in case of success or a non-zero error code
+ */
+static int
+ixgbe_set_rsc(struct rte_eth_dev *dev)
+{
+ struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct rte_eth_dev_info dev_info = { 0 };
+ bool rsc_capable = false;
+ uint16_t i;
+ uint32_t rdrxctl;
+
+ /* Sanity check */
+ dev->dev_ops->dev_infos_get(dev, &dev_info);
+ if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
+ rsc_capable = true;
+
+ if (!rsc_capable && rx_conf->enable_lro) {
+ PMD_INIT_LOG(CRIT, "LRO is requested on HW that doesn't "
+ "support it");
+ return -EINVAL;
+ }
+
+ /* RSC global configuration (chapter 4.6.7.2.1 of 82599 Spec) */
+
+ if (!rx_conf->hw_strip_crc && rx_conf->enable_lro) {
+ /*
+ * According to chapter of 4.6.7.2.1 of the Spec Rev.
+ * 3.0 RSC configuration requires HW CRC stripping being
+ * enabled. If user requested both HW CRC stripping off
+ * and RSC on - return an error.
+ */
+ PMD_INIT_LOG(CRIT, "LRO can't be enabled when HW CRC "
+ "is disabled");
+ return -EINVAL;
+ }
+
+ /* RFCTL configuration */
+ if (rsc_capable) {
+ uint32_t rfctl = IXGBE_READ_REG(hw, IXGBE_RFCTL);
+ if (rx_conf->enable_lro)
+ /*
+ * Since NFS packets coalescing is not supported - clear
+ * RFCTL.NFSW_DIS and RFCTL.NFSR_DIS when RSC is
+ * enabled.
+ */
+ rfctl &= ~(IXGBE_RFCTL_RSC_DIS | IXGBE_RFCTL_NFSW_DIS |
+ IXGBE_RFCTL_NFSR_DIS);
+ else
+ rfctl |= IXGBE_RFCTL_RSC_DIS;
+
+ IXGBE_WRITE_REG(hw, IXGBE_RFCTL, rfctl);
+ }
+
+ /* If LRO hasn't been requested - we are done here. */
+ if (!rx_conf->enable_lro)
+ return 0;
+
+ /* Set RDRXCTL.RSCACKC bit */
+ rdrxctl = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
+ rdrxctl |= IXGBE_RDRXCTL_RSCACKC;
+ IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl);
+
+ /* Per-queue RSC configuration (chapter 4.6.7.2.2 of 82599 Spec) */
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ struct ixgbe_rx_queue *rxq = dev->data->rx_queues[i];
+ uint32_t srrctl =
+ IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxq->reg_idx));
+ uint32_t rscctl =
+ IXGBE_READ_REG(hw, IXGBE_RSCCTL(rxq->reg_idx));
+ uint32_t psrtype =
+ IXGBE_READ_REG(hw, IXGBE_PSRTYPE(rxq->reg_idx));
+ uint32_t eitr =
+ IXGBE_READ_REG(hw, IXGBE_EITR(rxq->reg_idx));
+
+ /*
+ * ixgbe PMD doesn't support header-split at the moment.
+ *
+ * Following the 4.6.7.2.1 chapter of the 82599/x540
+ * Spec if RSC is enabled the SRRCTL[n].BSIZEHEADER
+ * should be configured even if header split is not
+ * enabled. We will configure it 128 bytes following the
+ * recommendation in the spec.
+ */
+ srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK;
+ srrctl |= (128 << IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
+ IXGBE_SRRCTL_BSIZEHDR_MASK;
+
+ /*
+ * TODO: Consider setting the Receive Descriptor Minimum
+ * Threshold Size for an RSC case. This is not an obviously
+ * beneficiary option but the one worth considering...
+ */
+
+ rscctl |= IXGBE_RSCCTL_RSCEN;
+ rscctl |= ixgbe_get_rscctl_maxdesc(rxq->mb_pool);
+ psrtype |= IXGBE_PSRTYPE_TCPHDR;
+
+ /*
+ * RSC: Set ITR interval corresponding to 2K ints/s.
+ *
+ * Full-sized RSC aggregations for a 10Gb/s link will
+ * arrive at about 20K aggregation/s rate.
+ *
+ * 2K inst/s rate will make only 10% of the
+ * aggregations to be closed due to the interrupt timer
+ * expiration for a streaming at wire-speed case.
+ *
+ * For a sparse streaming case this setting will yield
+ * at most 500us latency for a single RSC aggregation.
+ */
+ eitr &= ~IXGBE_EITR_ITR_INT_MASK;
+ eitr |= IXGBE_EITR_INTERVAL_US(500) | IXGBE_EITR_CNT_WDIS;
+
+ IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxq->reg_idx), srrctl);
+ IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(rxq->reg_idx), rscctl);
+ IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(rxq->reg_idx), psrtype);
+ IXGBE_WRITE_REG(hw, IXGBE_EITR(rxq->reg_idx), eitr);
+
+ /*
+ * RSC requires the mapping of the queue to the
+ * interrupt vector.
+ */
+ ixgbe_set_ivar(dev, rxq->reg_idx, i, 0);
+
+ rxq->rsc_en = 1;
+ }
+
+ dev->data->lro = 1;
+
+ PMD_INIT_LOG(INFO, "enabling LRO mode");
+
+ return 0;
+}
+
+/*
+ * Initializes Receive Unit.
+ */
+int
+ixgbe_dev_rx_init(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw;
+ struct ixgbe_rx_queue *rxq;
+ uint64_t bus_addr;
+ uint32_t rxctrl;
+ uint32_t fctrl;
uint32_t hlreg0;
uint32_t maxfrs;
uint32_t srrctl;
uint32_t rxcsum;
uint16_t buf_size;
uint16_t i;
- int ret;
+ struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
+ int rc;
PMD_INIT_FUNC_TRACE();
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
* Configure CRC stripping, if any.
*/
hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
- if (dev->data->dev_conf.rxmode.hw_strip_crc)
+ if (rx_conf->hw_strip_crc)
hlreg0 |= IXGBE_HLREG0_RXCRCSTRP;
else
hlreg0 &= ~IXGBE_HLREG0_RXCRCSTRP;
/*
* Configure jumbo frame support, if any.
*/
- if (dev->data->dev_conf.rxmode.jumbo_frame == 1) {
+ if (rx_conf->jumbo_frame == 1) {
hlreg0 |= IXGBE_HLREG0_JUMBOEN;
maxfrs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
maxfrs &= 0x0000FFFF;
- maxfrs |= (dev->data->dev_conf.rxmode.max_rx_pkt_len << 16);
+ maxfrs |= (rx_conf->max_rx_pkt_len << 16);
IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, maxfrs);
} 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 */
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)
- return ret;
-
/*
* Reset crc_len in case it was changed after queue setup by a
* call to configure.
*/
- rxq->crc_len = (uint8_t)
- ((dev->data->dev_conf.rxmode.hw_strip_crc) ? 0 :
- ETHER_CRC_LEN);
+ rxq->crc_len = rx_conf->hw_strip_crc ? 0 : ETHER_CRC_LEN;
/* 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
/*
* Configure Header Split
*/
- if (dev->data->dev_conf.rxmode.header_split) {
+ if (rx_conf->header_split) {
if (hw->mac.type == ixgbe_mac_82599EB) {
/* Must setup the PSRTYPE register */
uint32_t psrtype;
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) &
- IXGBE_SRRCTL_BSIZEHDR_MASK);
- srrctl |= E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
+ srrctl = ((rx_conf->split_hdr_size <<
+ IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
+ IXGBE_SRRCTL_BSIZEHDR_MASK);
+ srrctl |= IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
} else
#endif
srrctl = IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
* 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));
- buf_size = (uint16_t) (mbp_priv->mbuf_data_room_size -
- RTE_PKTMBUF_HEADROOM);
+ buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mb_pool) -
+ 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);
+
+ /* It adds dual VLAN length for supporting dual VLAN */
if (dev->data->dev_conf.rxmode.max_rx_pkt_len +
- IXGBE_RX_BUF_THRESHOLD > buf_size){
+ 2 * IXGBE_VLAN_TAG_SIZE > buf_size)
dev->data->scattered_rx = 1;
- dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
- }
}
+ if (rx_conf->enable_scatter)
+ 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.
*/
rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
rxcsum |= IXGBE_RXCSUM_PCSD;
- if (dev->data->dev_conf.rxmode.hw_ip_checksum)
+ if (rx_conf->hw_ip_checksum)
rxcsum |= IXGBE_RXCSUM_IPPCSE;
else
rxcsum &= ~IXGBE_RXCSUM_IPPCSE;
IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum);
- if (hw->mac.type == ixgbe_mac_82599EB) {
+ if (hw->mac.type == ixgbe_mac_82599EB ||
+ hw->mac.type == ixgbe_mac_X540) {
rdrxctl = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
- if (dev->data->dev_conf.rxmode.hw_strip_crc)
+ if (rx_conf->hw_strip_crc)
rdrxctl |= IXGBE_RDRXCTL_CRCSTRIP;
else
rdrxctl &= ~IXGBE_RDRXCTL_CRCSTRIP;
IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl);
}
+ rc = ixgbe_set_rsc(dev);
+ if (rc)
+ return rc;
+
+ ixgbe_set_rx_function(dev);
+
return 0;
}
ixgbe_dev_tx_init(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw;
- struct igb_tx_queue *txq;
+ struct ixgbe_tx_queue *txq;
uint64_t bus_addr;
uint32_t hlreg0;
uint32_t txctrl;
- uint32_t rttdcs;
uint16_t i;
PMD_INIT_FUNC_TRACE();
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- /* Enable TX CRC (checksum offload requirement) */
+ /* Enable TX CRC (checksum offload requirement) and hw padding
+ * (TSO requirement) */
hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
- hlreg0 |= IXGBE_HLREG0_TXCRCEN;
+ hlreg0 |= (IXGBE_HLREG0_TXCRCEN | IXGBE_HLREG0_TXPADEN);
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
/* Setup the Base and Length of the Tx Descriptor Rings */
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));
+ IXGBE_DCA_TXCTRL(txq->reg_idx));
txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
- IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(i),
+ IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(txq->reg_idx),
txctrl);
break;
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
+ case ixgbe_mac_X550:
+ case ixgbe_mac_X550EM_x:
default:
txctrl = IXGBE_READ_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(i),
+ 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);
+ /* Device configured with multiple TX queues. */
+ ixgbe_dev_mq_tx_configure(dev);
+}
- IXGBE_WRITE_REG(hw, IXGBE_MTQC, IXGBE_MTQC_64Q_1PB);
+/*
+ * Set up link for 82599 loopback mode Tx->Rx.
+ */
+static inline void
+ixgbe_setup_loopback_link_82599(struct ixgbe_hw *hw)
+{
+ PMD_INIT_FUNC_TRACE();
- /* re-enable arbiter */
- rttdcs &= ~IXGBE_RTTDCS_ARBDIS;
- IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
+ 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");
+ /* 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.
*/
-void
+int
ixgbe_dev_rxtx_start(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw;
- struct igb_tx_queue *txq;
- struct igb_rx_queue *rxq;
+ struct ixgbe_tx_queue *txq;
+ struct ixgbe_rx_queue *rxq;
uint32_t txdctl;
uint32_t dmatxctl;
- uint32_t rxdctl;
uint32_t rxctrl;
uint16_t i;
- int poll_ms;
+ int ret = 0;
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->tx_deferred_start) {
+ ret = ixgbe_dev_tx_queue_start(dev, i);
+ if (ret < 0)
+ return ret;
}
}
+
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->rx_deferred_start) {
+ ret = ixgbe_dev_rx_queue_start(dev, i);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ /* 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);
+
+ return 0;
+}
+
+/*
+ * 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 ixgbe_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",
+ 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);
+ PMD_INIT_LOG(ERR, "Could not enable Rx Queue %d",
+ 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 ixgbe_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",
+ rx_queue_id);
+
+ rte_delay_us(RTE_IXGBE_WAIT_100_US);
+
+ ixgbe_rx_queue_release_mbufs(rxq);
+ ixgbe_reset_rx_queue(hw, 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 ixgbe_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", 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 ixgbe_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.", 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", 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.
ixgbevf_dev_rx_init(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw;
- struct igb_rx_queue *rxq;
- struct rte_pktmbuf_pool_private *mbp_priv;
+ struct ixgbe_rx_queue *rxq;
uint64_t bus_addr;
- uint32_t srrctl;
+ uint32_t srrctl, psrtype = 0;
uint16_t buf_size;
uint16_t i;
int ret;
PMD_INIT_FUNC_TRACE();
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ if (rte_is_power_of_2(dev->data->nb_rx_queues) == 0) {
+ PMD_INIT_LOG(ERR, "The number of Rx queue invalid, "
+ "it should be power of 2");
+ return -1;
+ }
+
+ if (dev->data->nb_rx_queues > hw->mac.max_rx_queues) {
+ PMD_INIT_LOG(ERR, "The number of Rx queue invalid, "
+ "it should be equal to or less than %d",
+ hw->mac.max_rx_queues);
+ return -1;
+ }
+
+ /*
+ * When the VF driver issues a 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++) {
* Configure Header Split
*/
if (dev->data->dev_conf.rxmode.header_split) {
-
- /* Must setup the PSRTYPE register */
- uint32_t psrtype;
- psrtype = IXGBE_PSRTYPE_TCPHDR |
- IXGBE_PSRTYPE_UDPHDR |
- IXGBE_PSRTYPE_IPV4HDR |
- IXGBE_PSRTYPE_IPV6HDR;
-
- IXGBE_WRITE_REG(hw, IXGBE_VFPSRTYPE(i), psrtype);
-
srrctl = ((dev->data->dev_conf.rxmode.split_hdr_size <<
- IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
- IXGBE_SRRCTL_BSIZEHDR_MASK);
- srrctl |= E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
+ IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
+ IXGBE_SRRCTL_BSIZEHDR_MASK);
+ srrctl |= IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
} else
#endif
srrctl = IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
* 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));
- buf_size = (uint16_t) (mbp_priv->mbuf_data_room_size -
- RTE_PKTMBUF_HEADROOM);
+ buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mb_pool) -
+ RTE_PKTMBUF_HEADROOM);
srrctl |= ((buf_size >> IXGBE_SRRCTL_BSIZEPKT_SHIFT) &
IXGBE_SRRCTL_BSIZEPKT_MASK);
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){
+
+ if (dev->data->dev_conf.rxmode.enable_scatter ||
+ /* It adds dual VLAN length for supporting dual VLAN */
+ (dev->data->dev_conf.rxmode.max_rx_pkt_len +
+ 2 * IXGBE_VLAN_TAG_SIZE) > buf_size) {
+ if (!dev->data->scattered_rx)
+ PMD_INIT_LOG(DEBUG, "forcing scatter mode");
dev->data->scattered_rx = 1;
- dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
+#ifdef RTE_IXGBE_INC_VECTOR
+ if (rte_is_power_of_2(rxq->nb_rx_desc))
+ dev->rx_pkt_burst =
+ ixgbe_recv_scattered_pkts_vec;
+ else
+#endif
+ dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
}
}
+#ifdef RTE_HEADER_SPLIT_ENABLE
+ if (dev->data->dev_conf.rxmode.header_split)
+ /* Must setup the PSRTYPE register */
+ psrtype = IXGBE_PSRTYPE_TCPHDR |
+ IXGBE_PSRTYPE_UDPHDR |
+ IXGBE_PSRTYPE_IPV4HDR |
+ IXGBE_PSRTYPE_IPV6HDR;
+#endif
+
+ /* Set RQPL for VF RSS according to max Rx queue */
+ psrtype |= (dev->data->nb_rx_queues >> 1) <<
+ IXGBE_PSRTYPE_RQPL_SHIFT;
+ IXGBE_WRITE_REG(hw, IXGBE_VFPSRTYPE, psrtype);
+
return 0;
}
ixgbevf_dev_tx_init(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw;
- struct igb_tx_queue *txq;
+ struct ixgbe_tx_queue *txq;
uint64_t bus_addr;
uint32_t txctrl;
uint16_t i;
ixgbevf_dev_rxtx_start(struct rte_eth_dev *dev)
{
struct ixgbe_hw *hw;
- struct igb_tx_queue *txq;
- struct igb_rx_queue *rxq;
+ struct ixgbe_tx_queue *txq;
+ struct ixgbe_rx_queue *rxq;
uint32_t txdctl;
uint32_t rxdctl;
uint16_t i;
txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
} while (--poll_ms && !(txdctl & IXGBE_TXDCTL_ENABLE));
if (!poll_ms)
- PMD_INIT_LOG(ERR, "Could not enable "
- "Tx Queue %d\n", i);
+ PMD_INIT_LOG(ERR, "Could not enable Tx Queue %d", i);
}
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
} while (--poll_ms && !(rxdctl & IXGBE_RXDCTL_ENABLE));
if (!poll_ms)
- PMD_INIT_LOG(ERR, "Could not enable "
- "Rx Queue %d\n", i);
+ PMD_INIT_LOG(ERR, "Could not enable Rx Queue %d", i);
rte_wmb();
IXGBE_WRITE_REG(hw, IXGBE_VFRDT(i), rxq->nb_rx_desc - 1);
}
}
+
+/* Stubs needed for linkage when CONFIG_RTE_IXGBE_INC_VECTOR is set to 'n' */
+int __attribute__((weak))
+ixgbe_rx_vec_dev_conf_condition_check(struct rte_eth_dev __rte_unused *dev)
+{
+ return -1;
+}
+
+uint16_t __attribute__((weak))
+ixgbe_recv_pkts_vec(
+ void __rte_unused *rx_queue,
+ struct rte_mbuf __rte_unused **rx_pkts,
+ uint16_t __rte_unused nb_pkts)
+{
+ return 0;
+}
+
+uint16_t __attribute__((weak))
+ixgbe_recv_scattered_pkts_vec(
+ void __rte_unused *rx_queue,
+ struct rte_mbuf __rte_unused **rx_pkts,
+ uint16_t __rte_unused nb_pkts)
+{
+ return 0;
+}
+
+int __attribute__((weak))
+ixgbe_rxq_vec_setup(struct ixgbe_rx_queue __rte_unused *rxq)
+{
+ return -1;
+}
git.droids-corp.org / dpdk.git / blobdiff