#include <rte_lcore.h>
#include <rte_atomic.h>
#include <rte_branch_prediction.h>
-#include <rte_ring.h>
#include <rte_mempool.h>
#include <rte_malloc.h>
#include <rte_mbuf.h>
#include "vmxnet3_logs.h"
#include "vmxnet3_ethdev.h"
-#define RTE_MBUF_DATA_DMA_ADDR(mb) \
- (uint64_t) ((mb)->buf_physaddr + (mb)->data_off)
+static const uint32_t rxprod_reg[2] = {VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2};
-#define RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb) \
- (uint64_t) ((mb)->buf_physaddr + RTE_PKTMBUF_HEADROOM)
-
-static uint32_t rxprod_reg[2] = {VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2};
-
-static inline int vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t* , uint8_t);
-static inline void vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *);
+static int vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t*, uint8_t);
+static void vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *);
#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER_NOT_USED
static void vmxnet3_rxq_dump(struct vmxnet3_rx_queue *);
static void vmxnet3_txq_dump(struct vmxnet3_tx_queue *);
#endif
-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, 0);
- return m;
-}
-
#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER_NOT_USED
static void
vmxnet3_rxq_dump(struct vmxnet3_rx_queue *rxq)
return;
PMD_RX_LOG(DEBUG,
- "RXQ: cmd0 base : 0x%p cmd1 base : 0x%p comp ring base : 0x%p.",
+ "RXQ: cmd0 base : %p cmd1 base : %p comp ring base : %p.",
rxq->cmd_ring[0].base, rxq->cmd_ring[1].base, rxq->comp_ring.base);
PMD_RX_LOG(DEBUG,
"RXQ: cmd0 basePA : 0x%lx cmd1 basePA : 0x%lx comp ring basePA : 0x%lx.",
if (txq == NULL)
return;
- PMD_TX_LOG(DEBUG, "TXQ: cmd base : 0x%p comp ring base : 0x%p data ring base : 0x%p.",
+ PMD_TX_LOG(DEBUG, "TXQ: cmd base : %p comp ring base : %p data ring base : %p.",
txq->cmd_ring.base, txq->comp_ring.base, txq->data_ring.base);
PMD_TX_LOG(DEBUG, "TXQ: cmd basePA : 0x%lx comp ring basePA : 0x%lx data ring basePA : 0x%lx.",
(unsigned long)txq->cmd_ring.basePA,
}
#endif
-static inline void
+static void
vmxnet3_cmd_ring_release_mbufs(vmxnet3_cmd_ring_t *ring)
{
while (ring->next2comp != ring->next2fill) {
}
}
-static inline void
-vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *txq)
+static int
+vmxnet3_unmap_pkt(uint16_t eop_idx, vmxnet3_tx_queue_t *txq)
{
int completed = 0;
struct rte_mbuf *mbuf;
- vmxnet3_comp_ring_t *comp_ring = &txq->comp_ring;
- struct Vmxnet3_TxCompDesc *tcd = (struct Vmxnet3_TxCompDesc *)
- (comp_ring->base + comp_ring->next2proc);
- while (tcd->gen == comp_ring->gen) {
+ /* Release cmd_ring descriptor and free mbuf */
+ RTE_ASSERT(txq->cmd_ring.base[eop_idx].txd.eop == 1);
- /* Release cmd_ring descriptor and free mbuf */
-#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER
- VMXNET3_ASSERT(txq->cmd_ring.base[tcd->txdIdx].txd.eop == 1);
-#endif
- mbuf = txq->cmd_ring.buf_info[tcd->txdIdx].m;
- if (unlikely(mbuf == NULL))
- rte_panic("EOP desc does not point to a valid mbuf");
- else
- rte_pktmbuf_free(mbuf);
+ mbuf = txq->cmd_ring.buf_info[eop_idx].m;
+ if (mbuf == NULL)
+ rte_panic("EOP desc does not point to a valid mbuf");
+ rte_pktmbuf_free(mbuf);
+ txq->cmd_ring.buf_info[eop_idx].m = NULL;
- txq->cmd_ring.buf_info[tcd->txdIdx].m = NULL;
- /* Mark the txd for which tcd was generated as completed */
+ while (txq->cmd_ring.next2comp != eop_idx) {
+ /* no out-of-order completion */
+ RTE_ASSERT(txq->cmd_ring.base[txq->cmd_ring.next2comp].txd.cq == 0);
vmxnet3_cmd_ring_adv_next2comp(&txq->cmd_ring);
+ completed++;
+ }
+
+ /* Mark the txd for which tcd was generated as completed */
+ vmxnet3_cmd_ring_adv_next2comp(&txq->cmd_ring);
+
+ return completed + 1;
+}
+
+static void
+vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *txq)
+{
+ int completed = 0;
+ vmxnet3_comp_ring_t *comp_ring = &txq->comp_ring;
+ struct Vmxnet3_TxCompDesc *tcd = (struct Vmxnet3_TxCompDesc *)
+ (comp_ring->base + comp_ring->next2proc);
+
+ while (tcd->gen == comp_ring->gen) {
+ completed += vmxnet3_unmap_pkt(tcd->txdIdx, txq);
vmxnet3_comp_ring_adv_next2proc(comp_ring);
tcd = (struct Vmxnet3_TxCompDesc *)(comp_ring->base +
comp_ring->next2proc);
- completed++;
}
PMD_TX_LOG(DEBUG, "Processed %d tx comps & command descs.", completed);
uint16_t nb_pkts)
{
uint16_t nb_tx;
- Vmxnet3_TxDesc *txd = NULL;
- vmxnet3_buf_info_t *tbi = NULL;
- struct vmxnet3_hw *hw;
- struct rte_mbuf *txm;
vmxnet3_tx_queue_t *txq = tx_queue;
-
- hw = txq->hw;
+ struct vmxnet3_hw *hw = txq->hw;
+ Vmxnet3_TxQueueCtrl *txq_ctrl = &txq->shared->ctrl;
+ uint32_t deferred = rte_le_to_cpu_32(txq_ctrl->txNumDeferred);
if (unlikely(txq->stopped)) {
PMD_TX_LOG(DEBUG, "Tx queue is stopped.");
nb_tx = 0;
while (nb_tx < nb_pkts) {
+ Vmxnet3_GenericDesc *gdesc;
+ vmxnet3_buf_info_t *tbi;
+ uint32_t first2fill, avail, dw2;
+ struct rte_mbuf *txm = tx_pkts[nb_tx];
+ struct rte_mbuf *m_seg = txm;
+ int copy_size = 0;
+ bool tso = (txm->ol_flags & PKT_TX_TCP_SEG) != 0;
+ /* # of descriptors needed for a packet. */
+ unsigned count = txm->nb_segs;
+
+ avail = vmxnet3_cmd_ring_desc_avail(&txq->cmd_ring);
+ if (count > avail) {
+ /* Is command ring full? */
+ if (unlikely(avail == 0)) {
+ PMD_TX_LOG(DEBUG, "No free ring descriptors");
+ txq->stats.tx_ring_full++;
+ txq->stats.drop_total += (nb_pkts - nb_tx);
+ break;
+ }
- if (vmxnet3_cmd_ring_desc_avail(&txq->cmd_ring)) {
- int copy_size = 0;
-
- txm = tx_pkts[nb_tx];
- /* Don't support scatter packets yet, free them if met */
- if (txm->nb_segs != 1) {
- PMD_TX_LOG(DEBUG, "Don't support scatter packets yet, drop!");
- rte_pktmbuf_free(tx_pkts[nb_tx]);
- txq->stats.drop_total++;
+ /* Command ring is not full but cannot handle the
+ * multi-segmented packet. Let's try the next packet
+ * in this case.
+ */
+ PMD_TX_LOG(DEBUG, "Running out of ring descriptors "
+ "(avail %d needed %d)", avail, count);
+ txq->stats.drop_total++;
+ if (tso)
+ txq->stats.drop_tso++;
+ rte_pktmbuf_free(txm);
+ nb_tx++;
+ continue;
+ }
- nb_tx++;
- continue;
- }
+ /* Drop non-TSO packet that is excessively fragmented */
+ if (unlikely(!tso && count > VMXNET3_MAX_TXD_PER_PKT)) {
+ PMD_TX_LOG(ERR, "Non-TSO packet cannot occupy more than %d tx "
+ "descriptors. Packet dropped.", VMXNET3_MAX_TXD_PER_PKT);
+ txq->stats.drop_too_many_segs++;
+ txq->stats.drop_total++;
+ rte_pktmbuf_free(txm);
+ nb_tx++;
+ continue;
+ }
- txd = (Vmxnet3_TxDesc *)(txq->cmd_ring.base + txq->cmd_ring.next2fill);
- if (rte_pktmbuf_pkt_len(txm) <= VMXNET3_HDR_COPY_SIZE) {
- struct Vmxnet3_TxDataDesc *tdd;
+ if (txm->nb_segs == 1 && rte_pktmbuf_pkt_len(txm) <= VMXNET3_HDR_COPY_SIZE) {
+ struct Vmxnet3_TxDataDesc *tdd;
- tdd = txq->data_ring.base + txq->cmd_ring.next2fill;
- copy_size = rte_pktmbuf_pkt_len(txm);
- rte_memcpy(tdd->data, rte_pktmbuf_mtod(txm, char *), copy_size);
- }
+ tdd = txq->data_ring.base + txq->cmd_ring.next2fill;
+ copy_size = rte_pktmbuf_pkt_len(txm);
+ rte_memcpy(tdd->data, rte_pktmbuf_mtod(txm, char *), copy_size);
+ }
- /* Fill the tx descriptor */
+ /* use the previous gen bit for the SOP desc */
+ dw2 = (txq->cmd_ring.gen ^ 0x1) << VMXNET3_TXD_GEN_SHIFT;
+ first2fill = txq->cmd_ring.next2fill;
+ do {
+ /* Remember the transmit buffer for cleanup */
tbi = txq->cmd_ring.buf_info + txq->cmd_ring.next2fill;
- tbi->bufPA = RTE_MBUF_DATA_DMA_ADDR(txm);
+
+ /* NB: the following assumes that VMXNET3 maximum
+ * transmit buffer size (16K) is greater than
+ * maximum size of mbuf segment size.
+ */
+ gdesc = txq->cmd_ring.base + txq->cmd_ring.next2fill;
if (copy_size)
- txd->addr = rte_cpu_to_le_64(txq->data_ring.basePA +
- txq->cmd_ring.next2fill *
- sizeof(struct Vmxnet3_TxDataDesc));
+ gdesc->txd.addr = rte_cpu_to_le_64(txq->data_ring.basePA +
+ txq->cmd_ring.next2fill *
+ sizeof(struct Vmxnet3_TxDataDesc));
else
- txd->addr = tbi->bufPA;
- txd->len = txm->data_len;
-
- /* Mark the last descriptor as End of Packet. */
- txd->cq = 1;
- txd->eop = 1;
+ gdesc->txd.addr = rte_mbuf_data_dma_addr(m_seg);
- /* Add VLAN tag if requested */
- if (txm->ol_flags & PKT_TX_VLAN_PKT) {
- txd->ti = 1;
- txd->tci = rte_cpu_to_le_16(txm->vlan_tci);
- }
+ gdesc->dword[2] = dw2 | m_seg->data_len;
+ gdesc->dword[3] = 0;
- /* Record current mbuf for freeing it later in tx complete */
-#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER
- VMXNET3_ASSERT(txm);
-#endif
- tbi->m = txm;
+ /* move to the next2fill descriptor */
+ vmxnet3_cmd_ring_adv_next2fill(&txq->cmd_ring);
- /* Set the offloading mode to default */
- txd->hlen = 0;
- txd->om = VMXNET3_OM_NONE;
- txd->msscof = 0;
+ /* use the right gen for non-SOP desc */
+ dw2 = txq->cmd_ring.gen << VMXNET3_TXD_GEN_SHIFT;
+ } while ((m_seg = m_seg->next) != NULL);
- /* finally flip the GEN bit of the SOP desc */
- txd->gen = txq->cmd_ring.gen;
- txq->shared->ctrl.txNumDeferred++;
+ /* set the last buf_info for the pkt */
+ tbi->m = txm;
+ /* Update the EOP descriptor */
+ gdesc->dword[3] |= VMXNET3_TXD_EOP | VMXNET3_TXD_CQ;
- /* move to the next2fill descriptor */
- vmxnet3_cmd_ring_adv_next2fill(&txq->cmd_ring);
- nb_tx++;
+ /* Add VLAN tag if present */
+ gdesc = txq->cmd_ring.base + first2fill;
+ if (txm->ol_flags & PKT_TX_VLAN_PKT) {
+ gdesc->txd.ti = 1;
+ gdesc->txd.tci = txm->vlan_tci;
+ }
+ if (tso) {
+ uint16_t mss = txm->tso_segsz;
+
+ RTE_ASSERT(mss > 0);
+
+ gdesc->txd.hlen = txm->l2_len + txm->l3_len + txm->l4_len;
+ gdesc->txd.om = VMXNET3_OM_TSO;
+ gdesc->txd.msscof = mss;
+
+ deferred += (rte_pktmbuf_pkt_len(txm) - gdesc->txd.hlen + mss - 1) / mss;
+ } else if (txm->ol_flags & PKT_TX_L4_MASK) {
+ gdesc->txd.om = VMXNET3_OM_CSUM;
+ gdesc->txd.hlen = txm->l2_len + txm->l3_len;
+
+ switch (txm->ol_flags & PKT_TX_L4_MASK) {
+ case PKT_TX_TCP_CKSUM:
+ gdesc->txd.msscof = gdesc->txd.hlen + offsetof(struct tcp_hdr, cksum);
+ break;
+ case PKT_TX_UDP_CKSUM:
+ gdesc->txd.msscof = gdesc->txd.hlen + offsetof(struct udp_hdr, dgram_cksum);
+ break;
+ default:
+ PMD_TX_LOG(WARNING, "requested cksum offload not supported %#llx",
+ txm->ol_flags & PKT_TX_L4_MASK);
+ abort();
+ }
+ deferred++;
} else {
- PMD_TX_LOG(DEBUG, "No free tx cmd desc(s)");
- txq->stats.drop_total += (nb_pkts - nb_tx);
- break;
+ gdesc->txd.hlen = 0;
+ gdesc->txd.om = VMXNET3_OM_NONE;
+ gdesc->txd.msscof = 0;
+ deferred++;
}
- }
- PMD_TX_LOG(DEBUG, "vmxnet3 txThreshold: %u", txq->shared->ctrl.txThreshold);
+ /* flip the GEN bit on the SOP */
+ rte_compiler_barrier();
+ gdesc->dword[2] ^= VMXNET3_TXD_GEN;
- if (txq->shared->ctrl.txNumDeferred >= txq->shared->ctrl.txThreshold) {
+ txq_ctrl->txNumDeferred = rte_cpu_to_le_32(deferred);
+ nb_tx++;
+ }
+
+ PMD_TX_LOG(DEBUG, "vmxnet3 txThreshold: %u", rte_le_to_cpu_32(txq_ctrl->txThreshold));
- txq->shared->ctrl.txNumDeferred = 0;
+ if (deferred >= rte_le_to_cpu_32(txq_ctrl->txThreshold)) {
+ txq_ctrl->txNumDeferred = 0;
/* Notify vSwitch that packets are available. */
VMXNET3_WRITE_BAR0_REG(hw, (VMXNET3_REG_TXPROD + txq->queue_id * VMXNET3_REG_ALIGN),
txq->cmd_ring.next2fill);
* only for LRO.
*
*/
-static inline int
+static int
vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t *rxq, uint8_t ring_id)
{
int err = 0;
rxd = (struct Vmxnet3_RxDesc *)(ring->base + ring->next2fill);
/* Allocate blank mbuf for the current Rx Descriptor */
- mbuf = rte_rxmbuf_alloc(rxq->mp);
+ mbuf = rte_mbuf_raw_alloc(rxq->mp);
if (unlikely(mbuf == NULL)) {
- PMD_RX_LOG(ERR, "Error allocating mbuf in %s", __func__);
+ PMD_RX_LOG(ERR, "Error allocating mbuf");
rxq->stats.rx_buf_alloc_failure++;
err = ENOMEM;
break;
buf_info->m = mbuf;
buf_info->len = (uint16_t)(mbuf->buf_len -
RTE_PKTMBUF_HEADROOM);
- buf_info->bufPA = RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mbuf);
+ buf_info->bufPA =
+ rte_mbuf_data_dma_addr_default(mbuf);
/* Load Rx Descriptor with the buffer's GPA */
rxd->addr = buf_info->bufPA;
return i;
}
+
+/* Receive side checksum and other offloads */
+static void
+vmxnet3_rx_offload(const Vmxnet3_RxCompDesc *rcd, struct rte_mbuf *rxm)
+{
+ /* Check for RSS */
+ if (rcd->rssType != VMXNET3_RCD_RSS_TYPE_NONE) {
+ rxm->ol_flags |= PKT_RX_RSS_HASH;
+ rxm->hash.rss = rcd->rssHash;
+ }
+
+ /* Check packet type, checksum errors, etc. Only support IPv4 for now. */
+ if (rcd->v4) {
+ struct ether_hdr *eth = rte_pktmbuf_mtod(rxm, struct ether_hdr *);
+ struct ipv4_hdr *ip = (struct ipv4_hdr *)(eth + 1);
+
+ if (((ip->version_ihl & 0xf) << 2) > (int)sizeof(struct ipv4_hdr))
+ rxm->packet_type = RTE_PTYPE_L3_IPV4_EXT;
+ else
+ rxm->packet_type = RTE_PTYPE_L3_IPV4;
+
+ if (!rcd->cnc) {
+ if (!rcd->ipc)
+ rxm->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+
+ if ((rcd->tcp || rcd->udp) && !rcd->tuc)
+ rxm->ol_flags |= PKT_RX_L4_CKSUM_BAD;
+ }
+ }
+}
+
/*
* Process the Rx Completion Ring of given vmxnet3_rx_queue
* for nb_pkts burst and return the number of packets received
idx = rcd->rxdIdx;
ring_idx = (uint8_t)((rcd->rqID == rxq->qid1) ? 0 : 1);
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;
- if (unlikely(rcd->sop != 1 || rcd->eop != 1)) {
- rte_pktmbuf_free_seg(rbi->m);
- PMD_RX_LOG(DEBUG, "Packet spread across multiple buffers\n)");
- goto rcd_done;
- }
-
PMD_RX_LOG(DEBUG, "rxd idx: %d ring idx: %d.", idx, ring_idx);
-#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER
- VMXNET3_ASSERT(rcd->len <= rxd->len);
- VMXNET3_ASSERT(rbi->m);
-#endif
- if (unlikely(rcd->len == 0)) {
- PMD_RX_LOG(DEBUG, "Rx buf was skipped. rxring[%d][%d]\n)",
- ring_idx, idx);
-#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER
- VMXNET3_ASSERT(rcd->sop && rcd->eop);
-#endif
- rte_pktmbuf_free_seg(rbi->m);
- goto rcd_done;
- }
+ RTE_ASSERT(rcd->len <= rxd->len);
+ RTE_ASSERT(rbi->m);
- /* Assuming a packet is coming in a single packet buffer */
- if (unlikely(rxd->btype != VMXNET3_RXD_BTYPE_HEAD)) {
- PMD_RX_LOG(DEBUG,
- "Alert : Misbehaving device, incorrect "
- " buffer type used. iPacket dropped.");
- rte_pktmbuf_free_seg(rbi->m);
- goto rcd_done;
- }
-#ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER
- VMXNET3_ASSERT(rxd->btype == VMXNET3_RXD_BTYPE_HEAD);
-#endif
/* Get the packet buffer pointer from buf_info */
rxm = rbi->m;
rxq->cmd_ring[ring_idx].next2comp = idx;
/* For RCD with EOP set, check if there is frame error */
- if (unlikely(rcd->err)) {
+ if (unlikely(rcd->eop && rcd->err)) {
rxq->stats.drop_total++;
rxq->stats.drop_err++;
goto rcd_done;
}
- /* Check for hardware stripped VLAN tag */
- if (rcd->ts) {
- PMD_RX_LOG(DEBUG, "Received packet with vlan ID: %d.",
- rcd->tci);
- rxm->ol_flags = PKT_RX_VLAN_PKT;
- /* Copy vlan tag in packet buffer */
- rxm->vlan_tci = rte_le_to_cpu_16((uint16_t)rcd->tci);
- } else {
- rxm->ol_flags = 0;
- rxm->vlan_tci = 0;
- }
/* Initialize newly received packet buffer */
rxm->port = rxq->port_id;
rxm->pkt_len = (uint16_t)rcd->len;
rxm->data_len = (uint16_t)rcd->len;
rxm->data_off = RTE_PKTMBUF_HEADROOM;
+ rxm->ol_flags = 0;
+ rxm->vlan_tci = 0;
- /* Check packet type, checksum errors, etc. Only support IPv4 for now. */
- if (rcd->v4) {
- struct ether_hdr *eth = rte_pktmbuf_mtod(rxm, struct ether_hdr *);
- struct ipv4_hdr *ip = (struct ipv4_hdr *)(eth + 1);
+ /*
+ * If this is the first buffer of the received packet,
+ * set the pointer to the first mbuf of the packet
+ * 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 (rcd->sop) {
+ RTE_ASSERT(rxd->btype == VMXNET3_RXD_BTYPE_HEAD);
- if (((ip->version_ihl & 0xf) << 2) > (int)sizeof(struct ipv4_hdr))
- rxm->ol_flags |= PKT_RX_IPV4_HDR_EXT;
- else
- rxm->ol_flags |= PKT_RX_IPV4_HDR;
+ if (unlikely(rcd->len == 0)) {
+ RTE_ASSERT(rcd->eop);
+
+ PMD_RX_LOG(DEBUG,
+ "Rx buf was skipped. rxring[%d][%d])",
+ ring_idx, idx);
+ rte_pktmbuf_free_seg(rxm);
+ goto rcd_done;
+ }
+
+ rxq->start_seg = rxm;
+ vmxnet3_rx_offload(rcd, rxm);
+ } else {
+ struct rte_mbuf *start = rxq->start_seg;
- if (!rcd->cnc) {
- if (!rcd->ipc)
- rxm->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+ RTE_ASSERT(rxd->btype == VMXNET3_RXD_BTYPE_BODY);
- if ((rcd->tcp || rcd->udp) && !rcd->tuc)
- rxm->ol_flags |= PKT_RX_L4_CKSUM_BAD;
+ start->pkt_len += rxm->data_len;
+ start->nb_segs++;
+
+ rxq->last_seg->next = rxm;
+ }
+ rxq->last_seg = rxm;
+
+ if (rcd->eop) {
+ struct rte_mbuf *start = rxq->start_seg;
+
+ /* Check for hardware stripped VLAN tag */
+ if (rcd->ts) {
+ start->ol_flags |= (PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED);
+ start->vlan_tci = rte_le_to_cpu_16((uint16_t)rcd->tci);
}
+
+ rx_pkts[nb_rx++] = start;
+ rxq->start_seg = NULL;
}
- rx_pkts[nb_rx++] = rxm;
rcd_done:
rxq->cmd_ring[ring_idx].next2comp = idx;
VMXNET3_INC_RING_IDX_ONLY(rxq->cmd_ring[ring_idx].next2comp, rxq->cmd_ring[ring_idx].size);
PMD_INIT_FUNC_TRACE();
- if ((tx_conf->txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS) !=
- ETH_TXQ_FLAGS_NOMULTSEGS) {
- PMD_INIT_LOG(ERR, "TX Multi segment not support yet");
- return -EINVAL;
- }
-
- if ((tx_conf->txq_flags & ETH_TXQ_FLAGS_NOXSUMS) !=
- ETH_TXQ_FLAGS_NOXSUMS) {
- PMD_INIT_LOG(ERR, "TX no support for checksum offload yet");
+ if ((tx_conf->txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP) !=
+ ETH_TXQ_FLAGS_NOXSUMSCTP) {
+ PMD_INIT_LOG(ERR, "SCTP checksum offload not supported");
return -EINVAL;
}
int size;
uint8_t i;
char mem_name[32];
- uint16_t buf_size;
PMD_INIT_FUNC_TRACE();
- buf_size = rte_pktmbuf_data_room_size(mp) -
- RTE_PKTMBUF_HEADROOM;
-
- if (dev->data->dev_conf.rxmode.max_rx_pkt_len > buf_size) {
- PMD_INIT_LOG(ERR, "buf_size = %u, max_pkt_len = %u, "
- "VMXNET3 don't support scatter packets yet",
- buf_size, dev->data->dev_conf.rxmode.max_rx_pkt_len);
- return -EINVAL;
- }
-
rxq = rte_zmalloc("ethdev_rx_queue", sizeof(struct vmxnet3_rx_queue), RTE_CACHE_LINE_SIZE);
if (rxq == NULL) {
PMD_INIT_LOG(ERR, "Can not allocate rx queue structure");
}
}
rxq->stopped = FALSE;
+ rxq->start_seg = NULL;
}
for (i = 0; i < dev->data->nb_tx_queues; i++) {
git.droids-corp.org / dpdk.git / blobdiff