diff options
author | 2017-05-16 14:51:32 +0200 | |
---|---|---|
committer | 2017-05-16 16:20:45 +0200 | |
commit | 7595afa4d30097c1177b69257118d8ad89a539be (patch) | |
tree | 4bfeadc905c977e45e54a90c42330553b8942e4e /drivers/net/vmxnet3/vmxnet3_rxtx.c | |
parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) |
Imported Upstream version 17.05
Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/net/vmxnet3/vmxnet3_rxtx.c')
-rw-r--r-- | drivers/net/vmxnet3/vmxnet3_rxtx.c | 148 |
1 files changed, 112 insertions, 36 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c index 93db10fb..e865c675 100644 --- a/drivers/net/vmxnet3/vmxnet3_rxtx.c +++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c @@ -69,6 +69,7 @@ #include <rte_sctp.h> #include <rte_string_fns.h> #include <rte_errno.h> +#include <rte_net.h> #include "base/vmxnet3_defs.h" #include "vmxnet3_ring.h" @@ -76,6 +77,14 @@ #include "vmxnet3_logs.h" #include "vmxnet3_ethdev.h" +#define VMXNET3_TX_OFFLOAD_MASK ( \ + PKT_TX_VLAN_PKT | \ + PKT_TX_L4_MASK | \ + PKT_TX_TCP_SEG) + +#define VMXNET3_TX_OFFLOAD_NOTSUP_MASK \ + (PKT_TX_OFFLOAD_MASK ^ VMXNET3_TX_OFFLOAD_MASK) + static const uint32_t rxprod_reg[2] = {VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2}; static int vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t*, uint8_t); @@ -192,6 +201,8 @@ vmxnet3_dev_tx_queue_release(void *txq) vmxnet3_tx_cmd_ring_release_mbufs(&tq->cmd_ring); /* Release the cmd_ring */ vmxnet3_cmd_ring_release(&tq->cmd_ring); + /* Release the memzone */ + rte_memzone_free(tq->mz); } } @@ -209,6 +220,9 @@ vmxnet3_dev_rx_queue_release(void *rxq) /* Release both the cmd_rings */ for (i = 0; i < VMXNET3_RX_CMDRING_SIZE; i++) vmxnet3_cmd_ring_release(&rq->cmd_ring[i]); + + /* Release the memzone */ + rte_memzone_free(rq->mz); } } @@ -235,7 +249,7 @@ vmxnet3_dev_tx_queue_reset(void *txq) size = sizeof(struct Vmxnet3_TxDesc) * ring->size; size += sizeof(struct Vmxnet3_TxCompDesc) * comp_ring->size; - size += sizeof(struct Vmxnet3_TxDataDesc) * data_ring->size; + size += tq->txdata_desc_size * data_ring->size; memset(ring->base, 0, size); } @@ -245,8 +259,10 @@ vmxnet3_dev_rx_queue_reset(void *rxq) { int i; vmxnet3_rx_queue_t *rq = rxq; + struct vmxnet3_hw *hw = rq->hw; struct vmxnet3_cmd_ring *ring0, *ring1; struct vmxnet3_comp_ring *comp_ring; + struct vmxnet3_rx_data_ring *data_ring = &rq->data_ring; int size; if (rq != NULL) { @@ -271,6 +287,8 @@ vmxnet3_dev_rx_queue_reset(void *rxq) size = sizeof(struct Vmxnet3_RxDesc) * (ring0->size + ring1->size); size += sizeof(struct Vmxnet3_RxCompDesc) * comp_ring->size; + if (VMXNET3_VERSION_GE_3(hw) && rq->data_desc_size) + size += rq->data_desc_size * data_ring->size; memset(ring0->base, 0, size); } @@ -350,6 +368,53 @@ vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *txq) } uint16_t +vmxnet3_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + int32_t ret; + uint32_t i; + uint64_t ol_flags; + struct rte_mbuf *m; + + for (i = 0; i != nb_pkts; i++) { + m = tx_pkts[i]; + ol_flags = m->ol_flags; + + /* Non-TSO packet cannot occupy more than + * VMXNET3_MAX_TXD_PER_PKT TX descriptors. + */ + if ((ol_flags & PKT_TX_TCP_SEG) == 0 && + m->nb_segs > VMXNET3_MAX_TXD_PER_PKT) { + rte_errno = -EINVAL; + return i; + } + + /* check that only supported TX offloads are requested. */ + if ((ol_flags & VMXNET3_TX_OFFLOAD_NOTSUP_MASK) != 0 || + (ol_flags & PKT_TX_L4_MASK) == + PKT_TX_SCTP_CKSUM) { + rte_errno = -ENOTSUP; + return i; + } + +#ifdef RTE_LIBRTE_ETHDEV_DEBUG + ret = rte_validate_tx_offload(m); + if (ret != 0) { + rte_errno = ret; + return i; + } +#endif + ret = rte_net_intel_cksum_prepare(m); + if (ret != 0) { + rte_errno = ret; + return i; + } + } + + return i; +} + +uint16_t vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) { @@ -415,10 +480,13 @@ vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, } if (txm->nb_segs == 1 && - rte_pktmbuf_pkt_len(txm) <= VMXNET3_HDR_COPY_SIZE) { + rte_pktmbuf_pkt_len(txm) <= txq->txdata_desc_size) { struct Vmxnet3_TxDataDesc *tdd; - tdd = txq->data_ring.base + txq->cmd_ring.next2fill; + tdd = (struct Vmxnet3_TxDataDesc *) + ((uint8 *)txq->data_ring.base + + txq->cmd_ring.next2fill * + txq->txdata_desc_size); copy_size = rte_pktmbuf_pkt_len(txm); rte_memcpy(tdd->data, rte_pktmbuf_mtod(txm, char *), copy_size); } @@ -435,12 +503,15 @@ vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, * maximum size of mbuf segment size. */ gdesc = txq->cmd_ring.base + txq->cmd_ring.next2fill; - if (copy_size) - gdesc->txd.addr = rte_cpu_to_le_64(txq->data_ring.basePA + - txq->cmd_ring.next2fill * - sizeof(struct Vmxnet3_TxDataDesc)); - else + if (copy_size) { + uint64 offset = txq->cmd_ring.next2fill * + txq->txdata_desc_size; + gdesc->txd.addr = + rte_cpu_to_le_64(txq->data_ring.basePA + + offset); + } else { gdesc->txd.addr = rte_mbuf_data_dma_addr(m_seg); + } gdesc->dword[2] = dw2 | m_seg->data_len; gdesc->dword[3] = 0; @@ -696,7 +767,7 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) } idx = rcd->rxdIdx; - ring_idx = (uint8_t)((rcd->rqID == rxq->qid1) ? 0 : 1); + ring_idx = vmxnet3_get_ring_idx(hw, rcd->rqID); rxd = (Vmxnet3_RxDesc *)rxq->cmd_ring[ring_idx].base + idx; RTE_SET_USED(rxd); /* used only for assert when enabled */ rbi = rxq->cmd_ring[ring_idx].buf_info + idx; @@ -762,6 +833,15 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) goto rcd_done; } + if (vmxnet3_rx_data_ring(hw, rcd->rqID)) { + uint8_t *rdd = rxq->data_ring.base + + idx * rxq->data_desc_size; + + RTE_ASSERT(VMXNET3_VERSION_GE_3(hw)); + rte_memcpy(rte_pktmbuf_mtod(rxm, char *), + rdd, rcd->len); + } + rxq->start_seg = rxm; vmxnet3_rx_offload(rcd, rxm); } else { @@ -816,30 +896,6 @@ rcd_done: return nb_rx; } -/* - * Create memzone for device rings. malloc can't be used as the physical address is - * needed. If the memzone is already created, then this function returns a ptr - * to the old one. - */ -static const struct rte_memzone * -ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name, - uint16_t queue_id, uint32_t ring_size, int socket_id) -{ - char z_name[RTE_MEMZONE_NAMESIZE]; - const struct rte_memzone *mz; - - snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d", - dev->driver->pci_drv.driver.name, ring_name, - dev->data->port_id, queue_id); - - mz = rte_memzone_lookup(z_name); - if (mz) - return mz; - - return rte_memzone_reserve_aligned(z_name, ring_size, - socket_id, 0, VMXNET3_RING_BA_ALIGN); -} - int vmxnet3_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, @@ -876,6 +932,7 @@ vmxnet3_dev_tx_queue_setup(struct rte_eth_dev *dev, txq->hw = hw; txq->qid = queue_idx; txq->stopped = TRUE; + txq->txdata_desc_size = hw->txdata_desc_size; ring = &txq->cmd_ring; comp_ring = &txq->comp_ring; @@ -905,13 +962,15 @@ vmxnet3_dev_tx_queue_setup(struct rte_eth_dev *dev, size = sizeof(struct Vmxnet3_TxDesc) * ring->size; size += sizeof(struct Vmxnet3_TxCompDesc) * comp_ring->size; - size += sizeof(struct Vmxnet3_TxDataDesc) * data_ring->size; + size += txq->txdata_desc_size * data_ring->size; - mz = ring_dma_zone_reserve(dev, "txdesc", queue_idx, size, socket_id); + mz = rte_eth_dma_zone_reserve(dev, "txdesc", queue_idx, size, + VMXNET3_RING_BA_ALIGN, socket_id); if (mz == NULL) { PMD_INIT_LOG(ERR, "ERROR: Creating queue descriptors zone"); return -ENOMEM; } + txq->mz = mz; memset(mz->addr, 0, mz->len); /* cmd_ring initialization */ @@ -955,6 +1014,7 @@ vmxnet3_dev_rx_queue_setup(struct rte_eth_dev *dev, struct vmxnet3_hw *hw = dev->data->dev_private; struct vmxnet3_cmd_ring *ring0, *ring1, *ring; struct vmxnet3_comp_ring *comp_ring; + struct vmxnet3_rx_data_ring *data_ring; int size; uint8_t i; char mem_name[32]; @@ -975,11 +1035,14 @@ vmxnet3_dev_rx_queue_setup(struct rte_eth_dev *dev, rxq->hw = hw; rxq->qid1 = queue_idx; rxq->qid2 = queue_idx + hw->num_rx_queues; + rxq->data_ring_qid = queue_idx + 2 * hw->num_rx_queues; + rxq->data_desc_size = hw->rxdata_desc_size; rxq->stopped = TRUE; ring0 = &rxq->cmd_ring[0]; ring1 = &rxq->cmd_ring[1]; comp_ring = &rxq->comp_ring; + data_ring = &rxq->data_ring; /* Rx vmxnet rings length should be between 256-4096 */ if (nb_desc < VMXNET3_DEF_RX_RING_SIZE) { @@ -995,6 +1058,7 @@ vmxnet3_dev_rx_queue_setup(struct rte_eth_dev *dev, } comp_ring->size = ring0->size + ring1->size; + data_ring->size = ring0->size; /* Rx vmxnet rings structure initialization */ ring0->next2fill = 0; @@ -1008,12 +1072,16 @@ vmxnet3_dev_rx_queue_setup(struct rte_eth_dev *dev, size = sizeof(struct Vmxnet3_RxDesc) * (ring0->size + ring1->size); size += sizeof(struct Vmxnet3_RxCompDesc) * comp_ring->size; + if (VMXNET3_VERSION_GE_3(hw) && rxq->data_desc_size) + size += rxq->data_desc_size * data_ring->size; - mz = ring_dma_zone_reserve(dev, "rxdesc", queue_idx, size, socket_id); + mz = rte_eth_dma_zone_reserve(dev, "rxdesc", queue_idx, size, + VMXNET3_RING_BA_ALIGN, socket_id); if (mz == NULL) { PMD_INIT_LOG(ERR, "ERROR: Creating queue descriptors zone"); return -ENOMEM; } + rxq->mz = mz; memset(mz->addr, 0, mz->len); /* cmd_ring0 initialization */ @@ -1029,6 +1097,14 @@ vmxnet3_dev_rx_queue_setup(struct rte_eth_dev *dev, comp_ring->basePA = ring1->basePA + sizeof(struct Vmxnet3_RxDesc) * ring1->size; + /* data_ring initialization */ + if (VMXNET3_VERSION_GE_3(hw) && rxq->data_desc_size) { + data_ring->base = + (uint8_t *)(comp_ring->base + comp_ring->size); + data_ring->basePA = comp_ring->basePA + + sizeof(struct Vmxnet3_RxCompDesc) * comp_ring->size; + } + /* cmd_ring0-cmd_ring1 buf_info allocation */ for (i = 0; i < VMXNET3_RX_CMDRING_SIZE; i++) { |