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net/vmxnet3: add Tx preparation

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Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Yong Wang <yongwang@vmware.com>
This commit is contained in:
Konstantin Ananyev 2016-12-23 19:40:52 +01:00 committed by Thomas Monjalon
parent 9b134aa397
commit baf3bbae55
3 changed files with 64 additions and 0 deletions
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6
drivers/net/vmxnet3/vmxnet3_ethdev.c
View File

@ -69,6 +69,8 @@
#define PROCESS_SYS_EVENTS 0
#define VMXNET3_TX_MAX_SEG UINT8_MAX
static int eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev);
static int eth_vmxnet3_dev_uninit(struct rte_eth_dev *eth_dev);
static int vmxnet3_dev_configure(struct rte_eth_dev *dev);
@ -237,6 +239,7 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev)
eth_dev->dev_ops = &vmxnet3_eth_dev_ops;
eth_dev->rx_pkt_burst = &vmxnet3_recv_pkts;
eth_dev->tx_pkt_burst = &vmxnet3_xmit_pkts;
eth_dev->tx_pkt_prepare = vmxnet3_prep_pkts;
pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
/*
@ -326,6 +329,7 @@ eth_vmxnet3_dev_uninit(struct rte_eth_dev *eth_dev)
eth_dev->dev_ops = NULL;
eth_dev->rx_pkt_burst = NULL;
eth_dev->tx_pkt_burst = NULL;
eth_dev->tx_pkt_prepare = NULL;
rte_free(eth_dev->data->mac_addrs);
eth_dev->data->mac_addrs = NULL;
@ -730,6 +734,8 @@ vmxnet3_dev_info_get(struct rte_eth_dev *dev,
.nb_max = VMXNET3_TX_RING_MAX_SIZE,
.nb_min = VMXNET3_DEF_TX_RING_SIZE,
.nb_align = 1,
.nb_seg_max = VMXNET3_TX_MAX_SEG,
.nb_mtu_seg_max = VMXNET3_MAX_TXD_PER_PKT,
};
dev_info->rx_offload_capa =

2
drivers/net/vmxnet3/vmxnet3_ethdev.h
View File

@ -171,5 +171,7 @@ uint16_t vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
uint16_t vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts);
uint16_t vmxnet3_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts);
#endif /* _VMXNET3_ETHDEV_H_ */

56
drivers/net/vmxnet3/vmxnet3_rxtx.c
View File

@ -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);
@ -349,6 +358,53 @@ vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *txq)
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)