/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2014-2018 Broadcom
+ * Copyright(c) 2014-2021 Broadcom
* All rights reserved.
*/
#include <rte_malloc.h>
#include "bnxt.h"
-#include "bnxt_cpr.h"
+#include "bnxt_hwrm.h"
#include "bnxt_ring.h"
#include "bnxt_txq.h"
#include "bnxt_txr.h"
rte_free(txq->cp_ring->cp_ring_struct);
rte_free(txq->cp_ring);
+ rte_memzone_free(txq->mz);
+ txq->mz = NULL;
+
rte_free(txq);
bp->tx_queues[i] = NULL;
}
ring->ring_mask = ring->ring_size - 1;
ring->bd = (void *)txr->tx_desc_ring;
ring->bd_dma = txr->tx_desc_mapping;
- ring->vmem_size = ring->ring_size * sizeof(struct bnxt_sw_tx_bd);
+ ring->vmem_size = ring->ring_size * sizeof(struct rte_mbuf *);
ring->vmem = (void **)&txr->tx_buf_ring;
+ ring->fw_ring_id = INVALID_HW_RING_ID;
cpr = rte_zmalloc_socket("bnxt_tx_ring",
sizeof(struct bnxt_cp_ring_info),
ring->bd_dma = cpr->cp_desc_mapping;
ring->vmem_size = 0;
ring->vmem = NULL;
+ ring->fw_ring_id = INVALID_HW_RING_ID;
return 0;
}
-static inline uint32_t bnxt_tx_avail(struct bnxt_tx_ring_info *txr)
+static bool
+bnxt_xmit_need_long_bd(struct rte_mbuf *tx_pkt, struct bnxt_tx_queue *txq)
{
- /* Tell compiler to fetch tx indices from memory. */
- rte_compiler_barrier();
-
- return txr->tx_ring_struct->ring_size -
- ((txr->tx_prod - txr->tx_cons) &
- txr->tx_ring_struct->ring_mask) - 1;
+ if (tx_pkt->ol_flags & (RTE_MBUF_F_TX_TCP_SEG | RTE_MBUF_F_TX_TCP_CKSUM |
+ RTE_MBUF_F_TX_UDP_CKSUM | RTE_MBUF_F_TX_IP_CKSUM |
+ RTE_MBUF_F_TX_VLAN | RTE_MBUF_F_TX_OUTER_IP_CKSUM |
+ RTE_MBUF_F_TX_TUNNEL_GRE | RTE_MBUF_F_TX_TUNNEL_VXLAN |
+ RTE_MBUF_F_TX_TUNNEL_GENEVE | RTE_MBUF_F_TX_IEEE1588_TMST |
+ RTE_MBUF_F_TX_QINQ) ||
+ (BNXT_TRUFLOW_EN(txq->bp) &&
+ (txq->bp->tx_cfa_action || txq->vfr_tx_cfa_action)))
+ return true;
+ return false;
}
static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
struct bnxt_tx_queue *txq,
uint16_t *coal_pkts,
- uint16_t *cmpl_next)
+ struct tx_bd_long **last_txbd)
{
struct bnxt_tx_ring_info *txr = txq->tx_ring;
+ struct bnxt_ring *ring = txr->tx_ring_struct;
+ uint32_t outer_tpid_bd = 0;
struct tx_bd_long *txbd;
struct tx_bd_long_hi *txbd1 = NULL;
- uint32_t vlan_tag_flags, cfa_action;
+ uint32_t vlan_tag_flags;
bool long_bd = false;
+ unsigned short nr_bds;
+ uint16_t prod;
struct rte_mbuf *m_seg;
- struct bnxt_sw_tx_bd *tx_buf;
+ struct rte_mbuf **tx_buf;
static const uint32_t lhint_arr[4] = {
TX_BD_LONG_FLAGS_LHINT_LT512,
TX_BD_LONG_FLAGS_LHINT_LT1K,
TX_BD_LONG_FLAGS_LHINT_LT2K
};
- if (tx_pkt->ol_flags & (PKT_TX_TCP_SEG | PKT_TX_TCP_CKSUM |
- PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM |
- PKT_TX_VLAN_PKT | PKT_TX_OUTER_IP_CKSUM |
- PKT_TX_TUNNEL_GRE | PKT_TX_TUNNEL_VXLAN |
- PKT_TX_TUNNEL_GENEVE))
- long_bd = true;
+ if (unlikely(is_bnxt_in_error(txq->bp)))
+ return -EIO;
- tx_buf = &txr->tx_buf_ring[txr->tx_prod];
- tx_buf->mbuf = tx_pkt;
- tx_buf->nr_bds = long_bd + tx_pkt->nb_segs;
+ long_bd = bnxt_xmit_need_long_bd(tx_pkt, txq);
+ nr_bds = long_bd + tx_pkt->nb_segs;
- if (unlikely(bnxt_tx_avail(txr) < tx_buf->nr_bds))
+ if (unlikely(bnxt_tx_avail(txq) < nr_bds))
return -ENOMEM;
- txbd = &txr->tx_desc_ring[txr->tx_prod];
+ /* Check if number of Tx descriptors is above HW limit */
+ if (unlikely(nr_bds > BNXT_MAX_TSO_SEGS)) {
+ PMD_DRV_LOG(ERR,
+ "Num descriptors %d exceeds HW limit\n", nr_bds);
+ return -ENOSPC;
+ }
+
+ /* If packet length is less than minimum packet size, pad it */
+ if (unlikely(rte_pktmbuf_pkt_len(tx_pkt) < BNXT_MIN_PKT_SIZE)) {
+ uint8_t pad = BNXT_MIN_PKT_SIZE - rte_pktmbuf_pkt_len(tx_pkt);
+ char *seg = rte_pktmbuf_append(tx_pkt, pad);
+
+ if (!seg) {
+ PMD_DRV_LOG(ERR,
+ "Failed to pad mbuf by %d bytes\n",
+ pad);
+ return -ENOMEM;
+ }
+
+ /* Note: data_len, pkt len are updated in rte_pktmbuf_append */
+ memset(seg, 0, pad);
+ }
+
+ /* Check non zero data_len */
+ RTE_VERIFY(tx_pkt->data_len);
+
+ prod = RING_IDX(ring, txr->tx_raw_prod);
+ tx_buf = &txr->tx_buf_ring[prod];
+ *tx_buf = tx_pkt;
+
+ txbd = &txr->tx_desc_ring[prod];
txbd->opaque = *coal_pkts;
- txbd->flags_type = tx_buf->nr_bds << TX_BD_LONG_FLAGS_BD_CNT_SFT;
+ txbd->flags_type = nr_bds << TX_BD_LONG_FLAGS_BD_CNT_SFT;
txbd->flags_type |= TX_BD_SHORT_FLAGS_COAL_NOW;
- if (!*cmpl_next) {
- txbd->flags_type |= TX_BD_LONG_FLAGS_NO_CMPL;
- } else {
- *coal_pkts = 0;
- *cmpl_next = false;
- }
+ txbd->flags_type |= TX_BD_LONG_FLAGS_NO_CMPL;
txbd->len = tx_pkt->data_len;
- if (tx_pkt->pkt_len >= 2014)
+ if (tx_pkt->pkt_len >= 2048)
txbd->flags_type |= TX_BD_LONG_FLAGS_LHINT_GTE2K;
else
txbd->flags_type |= lhint_arr[tx_pkt->pkt_len >> 9];
- txbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova(tx_buf->mbuf));
+ txbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova(tx_pkt));
+ *last_txbd = txbd;
if (long_bd) {
txbd->flags_type |= TX_BD_LONG_TYPE_TX_BD_LONG;
vlan_tag_flags = 0;
- cfa_action = 0;
- if (tx_buf->mbuf->ol_flags & PKT_TX_VLAN_PKT) {
+
+ /* HW can accelerate only outer vlan in QinQ mode */
+ if (tx_pkt->ol_flags & RTE_MBUF_F_TX_QINQ) {
+ vlan_tag_flags = TX_BD_LONG_CFA_META_KEY_VLAN_TAG |
+ tx_pkt->vlan_tci_outer;
+ outer_tpid_bd = txq->bp->outer_tpid_bd &
+ BNXT_OUTER_TPID_BD_MASK;
+ vlan_tag_flags |= outer_tpid_bd;
+ } else if (tx_pkt->ol_flags & RTE_MBUF_F_TX_VLAN) {
/* shurd: Should this mask at
* TX_BD_LONG_CFA_META_VLAN_VID_MASK?
*/
vlan_tag_flags = TX_BD_LONG_CFA_META_KEY_VLAN_TAG |
- tx_buf->mbuf->vlan_tci;
+ tx_pkt->vlan_tci;
/* Currently supports 8021Q, 8021AD vlan offloads
* QINQ1, QINQ2, QINQ3 vlan headers are deprecated
*/
TX_BD_LONG_CFA_META_VLAN_TPID_TPID8100;
}
- txr->tx_prod = RING_NEXT(txr->tx_ring_struct, txr->tx_prod);
+ txr->tx_raw_prod = RING_NEXT(txr->tx_raw_prod);
- txbd1 = (struct tx_bd_long_hi *)
- &txr->tx_desc_ring[txr->tx_prod];
+ prod = RING_IDX(ring, txr->tx_raw_prod);
+ txbd1 = (struct tx_bd_long_hi *)&txr->tx_desc_ring[prod];
txbd1->lflags = 0;
txbd1->cfa_meta = vlan_tag_flags;
- txbd1->cfa_action = cfa_action;
+ /* Legacy tx_bd_long_hi->mss =
+ * tx_bd_long_hi->kid_or_ts_high_mss
+ */
+ txbd1->kid_or_ts_high_mss = 0;
- if (tx_pkt->ol_flags & PKT_TX_TCP_SEG) {
+ if (txq->vfr_tx_cfa_action)
+ txbd1->cfa_action = txq->vfr_tx_cfa_action;
+ else
+ txbd1->cfa_action = txq->bp->tx_cfa_action;
+
+ if (tx_pkt->ol_flags & RTE_MBUF_F_TX_TCP_SEG) {
uint16_t hdr_size;
/* TSO */
- txbd1->lflags |= TX_BD_LONG_LFLAGS_LSO;
+ txbd1->lflags |= TX_BD_LONG_LFLAGS_LSO |
+ TX_BD_LONG_LFLAGS_T_IPID;
hdr_size = tx_pkt->l2_len + tx_pkt->l3_len +
- tx_pkt->l4_len + tx_pkt->outer_l2_len +
- tx_pkt->outer_l3_len;
+ tx_pkt->l4_len;
+ hdr_size += (tx_pkt->ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) ?
+ tx_pkt->outer_l2_len +
+ tx_pkt->outer_l3_len : 0;
/* The hdr_size is multiple of 16bit units not 8bit.
* Hence divide by 2.
+ * Also legacy hdr_size = kid_or_ts_low_hdr_size.
*/
- txbd1->hdr_size = hdr_size >> 1;
- txbd1->mss = tx_pkt->tso_segsz;
+ txbd1->kid_or_ts_low_hdr_size = hdr_size >> 1;
+ txbd1->kid_or_ts_high_mss = tx_pkt->tso_segsz;
+ RTE_VERIFY(txbd1->kid_or_ts_high_mss);
} else if ((tx_pkt->ol_flags & PKT_TX_OIP_IIP_TCP_UDP_CKSUM) ==
PKT_TX_OIP_IIP_TCP_UDP_CKSUM) {
/* Outer IP, Inner IP, Inner TCP/UDP CSO */
txbd1->lflags |= TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
} else if ((tx_pkt->ol_flags & PKT_TX_OIP_IIP_TCP_CKSUM) ==
PKT_TX_OIP_IIP_TCP_CKSUM) {
/* Outer IP, Inner IP, Inner TCP/UDP CSO */
txbd1->lflags |= TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
} else if ((tx_pkt->ol_flags & PKT_TX_OIP_IIP_UDP_CKSUM) ==
PKT_TX_OIP_IIP_UDP_CKSUM) {
/* Outer IP, Inner IP, Inner TCP/UDP CSO */
txbd1->lflags |= TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
} else if ((tx_pkt->ol_flags & PKT_TX_IIP_TCP_UDP_CKSUM) ==
PKT_TX_IIP_TCP_UDP_CKSUM) {
/* (Inner) IP, (Inner) TCP/UDP CSO */
txbd1->lflags |= TX_BD_FLG_IP_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
} else if ((tx_pkt->ol_flags & PKT_TX_IIP_UDP_CKSUM) ==
PKT_TX_IIP_UDP_CKSUM) {
/* (Inner) IP, (Inner) TCP/UDP CSO */
txbd1->lflags |= TX_BD_FLG_IP_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
} else if ((tx_pkt->ol_flags & PKT_TX_IIP_TCP_CKSUM) ==
PKT_TX_IIP_TCP_CKSUM) {
/* (Inner) IP, (Inner) TCP/UDP CSO */
txbd1->lflags |= TX_BD_FLG_IP_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
} else if ((tx_pkt->ol_flags & PKT_TX_OIP_TCP_UDP_CKSUM) ==
PKT_TX_OIP_TCP_UDP_CKSUM) {
/* Outer IP, (Inner) TCP/UDP CSO */
txbd1->lflags |= TX_BD_FLG_TIP_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
} else if ((tx_pkt->ol_flags & PKT_TX_OIP_UDP_CKSUM) ==
PKT_TX_OIP_UDP_CKSUM) {
/* Outer IP, (Inner) TCP/UDP CSO */
txbd1->lflags |= TX_BD_FLG_TIP_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
} else if ((tx_pkt->ol_flags & PKT_TX_OIP_TCP_CKSUM) ==
PKT_TX_OIP_TCP_CKSUM) {
/* Outer IP, (Inner) TCP/UDP CSO */
txbd1->lflags |= TX_BD_FLG_TIP_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
} else if ((tx_pkt->ol_flags & PKT_TX_OIP_IIP_CKSUM) ==
PKT_TX_OIP_IIP_CKSUM) {
/* Outer IP, Inner IP CSO */
txbd1->lflags |= TX_BD_FLG_TIP_IP_CHKSUM;
- txbd1->mss = 0;
} else if ((tx_pkt->ol_flags & PKT_TX_TCP_UDP_CKSUM) ==
PKT_TX_TCP_UDP_CKSUM) {
/* TCP/UDP CSO */
txbd1->lflags |= TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
- } else if ((tx_pkt->ol_flags & PKT_TX_TCP_CKSUM) ==
- PKT_TX_TCP_CKSUM) {
+ } else if ((tx_pkt->ol_flags & RTE_MBUF_F_TX_TCP_CKSUM) ==
+ RTE_MBUF_F_TX_TCP_CKSUM) {
/* TCP/UDP CSO */
txbd1->lflags |= TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
- } else if ((tx_pkt->ol_flags & PKT_TX_UDP_CKSUM) ==
- PKT_TX_UDP_CKSUM) {
+ } else if ((tx_pkt->ol_flags & RTE_MBUF_F_TX_UDP_CKSUM) ==
+ RTE_MBUF_F_TX_UDP_CKSUM) {
/* TCP/UDP CSO */
txbd1->lflags |= TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM;
- txbd1->mss = 0;
- } else if ((tx_pkt->ol_flags & PKT_TX_IP_CKSUM) ==
- PKT_TX_IP_CKSUM) {
+ } else if ((tx_pkt->ol_flags & RTE_MBUF_F_TX_IP_CKSUM) ==
+ RTE_MBUF_F_TX_IP_CKSUM) {
/* IP CSO */
txbd1->lflags |= TX_BD_LONG_LFLAGS_IP_CHKSUM;
- txbd1->mss = 0;
- } else if ((tx_pkt->ol_flags & PKT_TX_OUTER_IP_CKSUM) ==
- PKT_TX_OUTER_IP_CKSUM) {
+ } else if ((tx_pkt->ol_flags & RTE_MBUF_F_TX_OUTER_IP_CKSUM) ==
+ RTE_MBUF_F_TX_OUTER_IP_CKSUM) {
/* IP CSO */
txbd1->lflags |= TX_BD_LONG_LFLAGS_T_IP_CHKSUM;
- txbd1->mss = 0;
+ } else if ((tx_pkt->ol_flags & RTE_MBUF_F_TX_IEEE1588_TMST) ==
+ RTE_MBUF_F_TX_IEEE1588_TMST) {
+ /* PTP */
+ txbd1->lflags |= TX_BD_LONG_LFLAGS_STAMP;
}
} else {
txbd->flags_type |= TX_BD_SHORT_TYPE_TX_BD_SHORT;
}
m_seg = tx_pkt->next;
- /* i is set at the end of the if(long_bd) block */
while (m_seg) {
- txr->tx_prod = RING_NEXT(txr->tx_ring_struct, txr->tx_prod);
- tx_buf = &txr->tx_buf_ring[txr->tx_prod];
+ /* Check non zero data_len */
+ RTE_VERIFY(m_seg->data_len);
+ txr->tx_raw_prod = RING_NEXT(txr->tx_raw_prod);
+
+ prod = RING_IDX(ring, txr->tx_raw_prod);
+ tx_buf = &txr->tx_buf_ring[prod];
+ *tx_buf = m_seg;
- txbd = &txr->tx_desc_ring[txr->tx_prod];
+ txbd = &txr->tx_desc_ring[prod];
txbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova(m_seg));
- txbd->flags_type |= TX_BD_SHORT_TYPE_TX_BD_SHORT;
+ txbd->flags_type = TX_BD_SHORT_TYPE_TX_BD_SHORT;
txbd->len = m_seg->data_len;
m_seg = m_seg->next;
txbd->flags_type |= TX_BD_LONG_FLAGS_PACKET_END;
- txr->tx_prod = RING_NEXT(txr->tx_ring_struct, txr->tx_prod);
+ txr->tx_raw_prod = RING_NEXT(txr->tx_raw_prod);
return 0;
}
-static void bnxt_tx_cmp(struct bnxt_tx_queue *txq, int nr_pkts)
+/*
+ * Transmit completion function for use when RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE
+ * is enabled.
+ */
+static void bnxt_tx_cmp_fast(struct bnxt_tx_queue *txq, int nr_pkts)
{
struct bnxt_tx_ring_info *txr = txq->tx_ring;
- uint16_t cons = txr->tx_cons;
+ struct bnxt_ring *ring = txr->tx_ring_struct;
+ struct rte_mbuf **free = txq->free;
+ uint16_t raw_cons = txr->tx_raw_cons;
+ unsigned int blk = 0;
int i, j;
for (i = 0; i < nr_pkts; i++) {
- struct bnxt_sw_tx_bd *tx_buf;
- struct rte_mbuf *mbuf;
+ struct rte_mbuf **tx_buf;
+ unsigned short nr_bds;
+
+ tx_buf = &txr->tx_buf_ring[RING_IDX(ring, raw_cons)];
+ nr_bds = (*tx_buf)->nb_segs +
+ bnxt_xmit_need_long_bd(*tx_buf, txq);
+ for (j = 0; j < nr_bds; j++) {
+ if (*tx_buf) {
+ /* Add mbuf to the bulk free array */
+ free[blk++] = *tx_buf;
+ *tx_buf = NULL;
+ }
+ raw_cons = RING_NEXT(raw_cons);
+ tx_buf = &txr->tx_buf_ring[RING_IDX(ring, raw_cons)];
+ }
+ }
+ if (blk)
+ rte_mempool_put_bulk(free[0]->pool, (void *)free, blk);
- tx_buf = &txr->tx_buf_ring[cons];
- cons = RING_NEXT(txr->tx_ring_struct, cons);
- mbuf = tx_buf->mbuf;
- tx_buf->mbuf = NULL;
+ txr->tx_raw_cons = raw_cons;
+}
- /* EW - no need to unmap DMA memory? */
+static void bnxt_tx_cmp(struct bnxt_tx_queue *txq, int nr_pkts)
+{
+ struct bnxt_tx_ring_info *txr = txq->tx_ring;
+ struct bnxt_ring *ring = txr->tx_ring_struct;
+ struct rte_mempool *pool = NULL;
+ struct rte_mbuf **free = txq->free;
+ uint16_t raw_cons = txr->tx_raw_cons;
+ unsigned int blk = 0;
+ int i, j;
- for (j = 1; j < tx_buf->nr_bds; j++)
- cons = RING_NEXT(txr->tx_ring_struct, cons);
- rte_pktmbuf_free(mbuf);
+ for (i = 0; i < nr_pkts; i++) {
+ struct rte_mbuf *mbuf;
+ struct rte_mbuf **tx_buf;
+ unsigned short nr_bds;
+
+ tx_buf = &txr->tx_buf_ring[RING_IDX(ring, raw_cons)];
+ nr_bds = (*tx_buf)->nb_segs +
+ bnxt_xmit_need_long_bd(*tx_buf, txq);
+ for (j = 0; j < nr_bds; j++) {
+ mbuf = *tx_buf;
+ *tx_buf = NULL;
+ raw_cons = RING_NEXT(raw_cons);
+ tx_buf = &txr->tx_buf_ring[RING_IDX(ring, raw_cons)];
+ if (!mbuf) /* long_bd's tx_buf ? */
+ continue;
+
+ mbuf = rte_pktmbuf_prefree_seg(mbuf);
+ if (unlikely(!mbuf))
+ continue;
+
+ /* EW - no need to unmap DMA memory? */
+
+ if (likely(mbuf->pool == pool)) {
+ /* Add mbuf to the bulk free array */
+ free[blk++] = mbuf;
+ } else {
+ /* Found an mbuf from a different pool. Free
+ * mbufs accumulated so far to the previous
+ * pool
+ */
+ if (likely(pool != NULL))
+ rte_mempool_put_bulk(pool,
+ (void *)free,
+ blk);
+
+ /* Start accumulating mbufs in a new pool */
+ free[0] = mbuf;
+ pool = mbuf->pool;
+ blk = 1;
+ }
+ }
}
+ if (blk)
+ rte_mempool_put_bulk(pool, (void *)free, blk);
- txr->tx_cons = cons;
+ txr->tx_raw_cons = raw_cons;
}
static int bnxt_handle_tx_cp(struct bnxt_tx_queue *txq)
{
+ uint32_t nb_tx_pkts = 0, cons, ring_mask, opaque;
struct bnxt_cp_ring_info *cpr = txq->cp_ring;
uint32_t raw_cons = cpr->cp_raw_cons;
- uint32_t cons;
- uint32_t nb_tx_pkts = 0;
+ struct bnxt_ring *cp_ring_struct;
struct tx_cmpl *txcmp;
- struct cmpl_base *cp_desc_ring = cpr->cp_desc_ring;
- struct bnxt_ring *cp_ring_struct = cpr->cp_ring_struct;
- uint32_t ring_mask = cp_ring_struct->ring_mask;
- uint32_t opaque = 0;
- if (((txq->tx_ring->tx_prod - txq->tx_ring->tx_cons) &
- txq->tx_ring->tx_ring_struct->ring_mask) < txq->tx_free_thresh)
+ if (bnxt_tx_bds_in_hw(txq) < txq->tx_free_thresh)
return 0;
+ cp_ring_struct = cpr->cp_ring_struct;
+ ring_mask = cp_ring_struct->ring_mask;
+
do {
cons = RING_CMPL(ring_mask, raw_cons);
txcmp = (struct tx_cmpl *)&cpr->cp_desc_ring[cons];
- rte_prefetch_non_temporal(&cp_desc_ring[(cons + 2) &
- ring_mask]);
- if (!CMPL_VALID(txcmp, cpr->valid))
+ if (!bnxt_cpr_cmp_valid(txcmp, raw_cons, ring_mask + 1))
break;
- opaque = rte_cpu_to_le_32(txcmp->opaque);
- NEXT_CMPL(cpr, cons, cpr->valid, 1);
- rte_prefetch0(&cp_desc_ring[cons]);
+
+ opaque = rte_le_to_cpu_32(txcmp->opaque);
if (CMP_TYPE(txcmp) == TX_CMPL_TYPE_TX_L2)
nb_tx_pkts += opaque;
RTE_LOG_DP(ERR, PMD,
"Unhandled CMP type %02x\n",
CMP_TYPE(txcmp));
- raw_cons = cons;
+ raw_cons = NEXT_RAW_CMP(raw_cons);
} while (nb_tx_pkts < ring_mask);
if (nb_tx_pkts) {
- bnxt_tx_cmp(txq, nb_tx_pkts);
+ if (txq->offloads & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
+ bnxt_tx_cmp_fast(txq, nb_tx_pkts);
+ else
+ bnxt_tx_cmp(txq, nb_tx_pkts);
cpr->cp_raw_cons = raw_cons;
- B_CP_DB(cpr, cpr->cp_raw_cons, ring_mask);
+ bnxt_db_cq(cpr);
}
return nb_tx_pkts;
uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts)
{
- struct bnxt_tx_queue *txq = tx_queue;
+ int rc;
uint16_t nb_tx_pkts = 0;
uint16_t coal_pkts = 0;
- uint16_t cmpl_next = txq->cmpl_next;
+ struct bnxt_tx_queue *txq = tx_queue;
+ struct tx_bd_long *last_txbd = NULL;
/* Handle TX completions */
bnxt_handle_tx_cp(txq);
/* Tx queue was stopped; wait for it to be restarted */
- if (txq->tx_deferred_start) {
+ if (unlikely(!txq->tx_started)) {
PMD_DRV_LOG(DEBUG, "Tx q stopped;return\n");
return 0;
}
- txq->cmpl_next = 0;
/* Handle TX burst request */
for (nb_tx_pkts = 0; nb_tx_pkts < nb_pkts; nb_tx_pkts++) {
- int rc;
-
- /* Request a completion on first and last packet */
- cmpl_next |= (nb_pkts == nb_tx_pkts + 1);
coal_pkts++;
rc = bnxt_start_xmit(tx_pkts[nb_tx_pkts], txq,
- &coal_pkts, &cmpl_next);
+ &coal_pkts, &last_txbd);
- if (unlikely(rc)) {
- /* Request a completion in next cycle */
- txq->cmpl_next = 1;
+ if (unlikely(rc))
break;
- }
}
- if (nb_tx_pkts)
- B_TX_DB(txq->tx_ring->tx_doorbell, txq->tx_ring->tx_prod);
+ if (likely(nb_tx_pkts)) {
+ /* Request a completion on the last packet */
+ last_txbd->flags_type &= ~TX_BD_LONG_FLAGS_NO_CMPL;
+ bnxt_db_write(&txq->tx_ring->tx_db, txq->tx_ring->tx_raw_prod);
+ }
return nb_tx_pkts;
}
+/*
+ * Dummy DPDK callback for TX.
+ *
+ * This function is used to temporarily replace the real callback during
+ * unsafe control operations on the queue, or in case of error.
+ */
+uint16_t
+bnxt_dummy_xmit_pkts(void *tx_queue __rte_unused,
+ struct rte_mbuf **tx_pkts __rte_unused,
+ uint16_t nb_pkts __rte_unused)
+{
+ return 0;
+}
+
int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
{
- struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+ struct bnxt *bp = dev->data->dev_private;
struct bnxt_tx_queue *txq = bp->tx_queues[tx_queue_id];
+ int rc = 0;
+
+ rc = is_bnxt_in_error(bp);
+ if (rc)
+ return rc;
+
+ bnxt_free_hwrm_tx_ring(bp, tx_queue_id);
+ rc = bnxt_alloc_hwrm_tx_ring(bp, tx_queue_id);
+ if (rc)
+ return rc;
dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
- txq->tx_deferred_start = false;
+ txq->tx_started = true;
PMD_DRV_LOG(DEBUG, "Tx queue started\n");
return 0;
int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
{
- struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+ struct bnxt *bp = dev->data->dev_private;
struct bnxt_tx_queue *txq = bp->tx_queues[tx_queue_id];
+ int rc = 0;
+
+ rc = is_bnxt_in_error(bp);
+ if (rc)
+ return rc;
/* Handle TX completions */
bnxt_handle_tx_cp(txq);
dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
- txq->tx_deferred_start = true;
+ txq->tx_started = false;
PMD_DRV_LOG(DEBUG, "Tx queue stopped\n");
return 0;
}
+
+/* Sweep the Tx completion queue till HWRM_DONE for ring flush is received.
+ * The mbufs will not be freed in this call.
+ * They will be freed during ring free as a part of mem cleanup.
+ */
+int bnxt_flush_tx_cmp(struct bnxt_cp_ring_info *cpr)
+{
+ uint32_t raw_cons = cpr->cp_raw_cons;
+ uint32_t cons;
+ uint32_t nb_tx_pkts = 0;
+ struct tx_cmpl *txcmp;
+ struct cmpl_base *cp_desc_ring = cpr->cp_desc_ring;
+ struct bnxt_ring *cp_ring_struct = cpr->cp_ring_struct;
+ uint32_t ring_mask = cp_ring_struct->ring_mask;
+ uint32_t opaque = 0;
+
+ do {
+ cons = RING_CMPL(ring_mask, raw_cons);
+ txcmp = (struct tx_cmpl *)&cp_desc_ring[cons];
+
+ opaque = rte_cpu_to_le_32(txcmp->opaque);
+ raw_cons = NEXT_RAW_CMP(raw_cons);
+
+ if (CMP_TYPE(txcmp) == TX_CMPL_TYPE_TX_L2)
+ nb_tx_pkts += opaque;
+ else if (CMP_TYPE(txcmp) == HWRM_CMPL_TYPE_HWRM_DONE)
+ return 1;
+ } while (nb_tx_pkts < ring_mask);
+
+ if (nb_tx_pkts) {
+ cpr->cp_raw_cons = raw_cons;
+ bnxt_db_cq(cpr);
+ }
+
+ return 0;
+}
git.droids-corp.org / dpdk.git / blobdiff