#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"
#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);
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);
}
}
/* 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);
}
}
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);
}
{
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) {
- /* Release both the cmd_rings mbufs */
- for (i = 0; i < VMXNET3_RX_CMDRING_SIZE; i++)
- vmxnet3_rx_cmd_ring_release_mbufs(&rq->cmd_ring[i]);
- }
+ /* Release both the cmd_rings mbufs */
+ for (i = 0; i < VMXNET3_RX_CMDRING_SIZE; i++)
+ vmxnet3_rx_cmd_ring_release_mbufs(&rq->cmd_ring[i]);
ring0 = &rq->cmd_ring[0];
ring1 = &rq->cmd_ring[1];
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);
}
PMD_TX_LOG(DEBUG, "Processed %d tx comps & command descs.", completed);
}
+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)
}
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);
}
* 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 =
+ (uint64)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;
return nb_tx;
}
-/*
- * Allocates mbufs and clusters. Post rx descriptors with buffer details
- * so that device can receive packets in those buffers.
- * Ring layout:
- * Among the two rings, 1st ring contains buffers of type 0 and type 1.
- * bufs_per_pkt is set such that for non-LRO cases all the buffers required
- * by a frame will fit in 1st ring (1st buf of type0 and rest of type1).
- * 2nd ring contains buffers of type 1 alone. Second ring mostly be used
- * only for LRO.
- */
-static int
-vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t *rxq, uint8_t ring_id)
+static inline void
+vmxnet3_renew_desc(vmxnet3_rx_queue_t *rxq, uint8_t ring_id,
+ struct rte_mbuf *mbuf)
{
- int err = 0;
- uint32_t i = 0, val = 0;
+ uint32_t val;
struct vmxnet3_cmd_ring *ring = &rxq->cmd_ring[ring_id];
+ struct Vmxnet3_RxDesc *rxd =
+ (struct Vmxnet3_RxDesc *)(ring->base + ring->next2fill);
+ vmxnet3_buf_info_t *buf_info = &ring->buf_info[ring->next2fill];
if (ring_id == 0) {
/* Usually: One HEAD type buf per packet
val = VMXNET3_RXD_BTYPE_BODY;
}
+ /*
+ * Load mbuf pointer into buf_info[ring_size]
+ * buf_info structure is equivalent to cookie for virtio-virtqueue
+ */
+ 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);
+
+ /* Load Rx Descriptor with the buffer's GPA */
+ rxd->addr = buf_info->bufPA;
+
+ /* After this point rxd->addr MUST not be NULL */
+ rxd->btype = val;
+ rxd->len = buf_info->len;
+ /* Flip gen bit at the end to change ownership */
+ rxd->gen = ring->gen;
+
+ vmxnet3_cmd_ring_adv_next2fill(ring);
+}
+/*
+ * Allocates mbufs and clusters. Post rx descriptors with buffer details
+ * so that device can receive packets in those buffers.
+ * Ring layout:
+ * Among the two rings, 1st ring contains buffers of type 0 and type 1.
+ * bufs_per_pkt is set such that for non-LRO cases all the buffers required
+ * by a frame will fit in 1st ring (1st buf of type0 and rest of type1).
+ * 2nd ring contains buffers of type 1 alone. Second ring mostly be used
+ * only for LRO.
+ */
+static int
+vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t *rxq, uint8_t ring_id)
+{
+ int err = 0;
+ uint32_t i = 0;
+ struct vmxnet3_cmd_ring *ring = &rxq->cmd_ring[ring_id];
+
while (vmxnet3_cmd_ring_desc_avail(ring) > 0) {
- struct Vmxnet3_RxDesc *rxd;
struct rte_mbuf *mbuf;
- vmxnet3_buf_info_t *buf_info = &ring->buf_info[ring->next2fill];
-
- rxd = (struct Vmxnet3_RxDesc *)(ring->base + ring->next2fill);
/* Allocate blank mbuf for the current Rx Descriptor */
mbuf = rte_mbuf_raw_alloc(rxq->mp);
break;
}
- /*
- * Load mbuf pointer into buf_info[ring_size]
- * buf_info structure is equivalent to cookie for virtio-virtqueue
- */
- 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);
-
- /* Load Rx Descriptor with the buffer's GPA */
- rxd->addr = buf_info->bufPA;
-
- /* After this point rxd->addr MUST not be NULL */
- rxd->btype = val;
- rxd->len = buf_info->len;
- /* Flip gen bit at the end to change ownership */
- rxd->gen = ring->gen;
-
- vmxnet3_cmd_ring_adv_next2fill(ring);
+ vmxnet3_renew_desc(rxq, ring_id, mbuf);
i++;
}
}
while (rcd->gen == rxq->comp_ring.gen) {
+ struct rte_mbuf *newm;
+
if (nb_rx >= nb_pkts)
break;
+ newm = rte_mbuf_raw_alloc(rxq->mp);
+ if (unlikely(newm == NULL)) {
+ PMD_RX_LOG(ERR, "Error allocating mbuf");
+ rxq->stats.rx_buf_alloc_failure++;
+ break;
+ }
+
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;
(int)(rcd - (struct Vmxnet3_RxCompDesc *)
rxq->comp_ring.base), rcd->rxdIdx);
rte_pktmbuf_free_seg(rxm);
+ if (rxq->start_seg) {
+ struct rte_mbuf *start = rxq->start_seg;
+
+ rxq->start_seg = NULL;
+ rte_pktmbuf_free(start);
+ }
goto rcd_done;
}
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 {
/* Check for hardware stripped VLAN tag */
if (rcd->ts) {
- start->ol_flags |= (PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED);
+ start->ol_flags |= (PKT_RX_VLAN |
+ PKT_RX_VLAN_STRIPPED);
start->vlan_tci = rte_le_to_cpu_16((uint16_t)rcd->tci);
}
VMXNET3_INC_RING_IDX_ONLY(rxq->cmd_ring[ring_idx].next2comp,
rxq->cmd_ring[ring_idx].size);
- /* It's time to allocate some new buf and renew descriptors */
- vmxnet3_post_rx_bufs(rxq, ring_idx);
+ /* It's time to renew descriptors */
+ vmxnet3_renew_desc(rxq, ring_idx, newm);
if (unlikely(rxq->shared->ctrl.updateRxProd)) {
VMXNET3_WRITE_BAR0_REG(hw, rxprod_reg[ring_idx] + (rxq->queue_id * VMXNET3_REG_ALIGN),
rxq->cmd_ring[ring_idx].next2fill);
}
}
- 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;
+ if (unlikely(nb_rxd == 0)) {
+ uint32_t avail;
+ for (ring_idx = 0; ring_idx < VMXNET3_RX_CMDRING_SIZE; ring_idx++) {
+ avail = vmxnet3_cmd_ring_desc_avail(&rxq->cmd_ring[ring_idx]);
+ if (unlikely(avail > 0)) {
+ /* try to alloc new buf and renew descriptors */
+ vmxnet3_post_rx_bufs(rxq, ring_idx);
+ }
+ }
+ if (unlikely(rxq->shared->ctrl.updateRxProd)) {
+ for (ring_idx = 0; ring_idx < VMXNET3_RX_CMDRING_SIZE; ring_idx++) {
+ VMXNET3_WRITE_BAR0_REG(hw, rxprod_reg[ring_idx] + (rxq->queue_id * VMXNET3_REG_ALIGN),
+ rxq->cmd_ring[ring_idx].next2fill);
+ }
+ }
+ }
- return rte_memzone_reserve_aligned(z_name, ring_size,
- socket_id, 0, VMXNET3_RING_BA_ALIGN);
+ return nb_rx;
}
int
uint16_t queue_idx,
uint16_t nb_desc,
unsigned int socket_id,
- __rte_unused const struct rte_eth_txconf *tx_conf)
+ const struct rte_eth_txconf *tx_conf)
{
struct vmxnet3_hw *hw = dev->data->dev_private;
const struct rte_memzone *mz;
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;
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 */
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];
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) {
}
comp_ring->size = ring0->size + ring1->size;
+ data_ring->size = ring0->size;
/* Rx vmxnet rings structure initialization */
ring0->next2fill = 0;
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 */
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++) {