app/testpmd: move MAC swap functions

Move macswap workload to dedicate function, so we can further enable
platform specific optimized version.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>
This commit is contained in:
Qi Zhang 2018-12-16 08:58:33 +08:00 committed by Ferruh Yigit
parent f42cc9a81b
commit a825afdbb9
3 changed files with 88 additions and 30 deletions

View File

@ -66,6 +66,7 @@
#include <rte_flow.h>
#include "testpmd.h"
#include "macswap.h"
/*
* MAC swap forwarding mode: Swap the source and the destination Ethernet
@ -76,15 +77,9 @@ pkt_burst_mac_swap(struct fwd_stream *fs)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
struct rte_port *txp;
struct rte_mbuf *mb;
struct ether_hdr *eth_hdr;
struct ether_addr addr;
uint16_t nb_rx;
uint16_t nb_tx;
uint16_t i;
uint32_t retry;
uint64_t ol_flags = 0;
uint64_t tx_offloads;
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
uint64_t start_tsc;
uint64_t end_tsc;
@ -108,32 +103,9 @@ pkt_burst_mac_swap(struct fwd_stream *fs)
#endif
fs->rx_packets += nb_rx;
txp = &ports[fs->tx_port];
tx_offloads = txp->dev_conf.txmode.offloads;
if (tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT)
ol_flags = PKT_TX_VLAN_PKT;
if (tx_offloads & DEV_TX_OFFLOAD_QINQ_INSERT)
ol_flags |= PKT_TX_QINQ_PKT;
if (tx_offloads & DEV_TX_OFFLOAD_MACSEC_INSERT)
ol_flags |= PKT_TX_MACSEC;
for (i = 0; i < nb_rx; i++) {
if (likely(i < nb_rx - 1))
rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[i + 1],
void *));
mb = pkts_burst[i];
eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
/* Swap dest and src mac addresses. */
ether_addr_copy(&eth_hdr->d_addr, &addr);
ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
ether_addr_copy(&addr, &eth_hdr->s_addr);
do_macswap(pkts_burst, nb_rx, txp);
mb->ol_flags &= IND_ATTACHED_MBUF | EXT_ATTACHED_MBUF;
mb->ol_flags |= ol_flags;
mb->l2_len = sizeof(struct ether_hdr);
mb->l3_len = sizeof(struct ipv4_hdr);
mb->vlan_tci = txp->tx_vlan_id;
mb->vlan_tci_outer = txp->tx_vlan_id_outer;
}
nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_rx);
/*
* Retry if necessary

40
app/test-pmd/macswap.h Normal file
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@ -0,0 +1,40 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Intel Corporation
*/
#ifndef _MACSWAP_H_
#define _MACSWAP_H_
#include "macswap_common.h"
static inline void
do_macswap(struct rte_mbuf *pkts[], uint16_t nb,
struct rte_port *txp)
{
struct ether_hdr *eth_hdr;
struct rte_mbuf *mb;
struct ether_addr addr;
uint64_t ol_flags;
int i;
ol_flags = ol_flags_init(txp->dev_conf.txmode.offloads);
vlan_qinq_set(pkts, nb, ol_flags,
txp->tx_vlan_id, txp->tx_vlan_id_outer);
for (i = 0; i < nb; i++) {
if (likely(i < nb - 1))
rte_prefetch0(rte_pktmbuf_mtod(pkts[i+1], void *));
mb = pkts[i];
eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
/* Swap dest and src mac addresses. */
ether_addr_copy(&eth_hdr->d_addr, &addr);
ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
ether_addr_copy(&addr, &eth_hdr->s_addr);
mbuf_field_set(mb, ol_flags);
}
}
#endif /* _MACSWAP_H_ */

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@ -0,0 +1,46 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Intel Corporation
*/
#ifndef _MACSWAP_COMMON_H_
#define _MACSWAP_COMMON_H_
static inline uint64_t
ol_flags_init(uint64_t tx_offload)
{
uint64_t ol_flags = 0;
ol_flags |= (tx_offload & DEV_TX_OFFLOAD_VLAN_INSERT) ?
PKT_TX_VLAN : 0;
ol_flags |= (tx_offload & DEV_TX_OFFLOAD_QINQ_INSERT) ?
PKT_TX_QINQ : 0;
ol_flags |= (tx_offload & DEV_TX_OFFLOAD_MACSEC_INSERT) ?
PKT_TX_MACSEC : 0;
return ol_flags;
}
static inline void
vlan_qinq_set(struct rte_mbuf *pkts[], uint16_t nb,
uint64_t ol_flags, uint16_t vlan, uint16_t outer_vlan)
{
int i;
if (ol_flags & PKT_TX_VLAN)
for (i = 0; i < nb; i++)
pkts[i]->vlan_tci = vlan;
if (ol_flags & PKT_TX_QINQ)
for (i = 0; i < nb; i++)
pkts[i]->vlan_tci_outer = outer_vlan;
}
static inline void
mbuf_field_set(struct rte_mbuf *mb, uint64_t ol_flags)
{
mb->ol_flags &= IND_ATTACHED_MBUF | EXT_ATTACHED_MBUF;
mb->ol_flags |= ol_flags;
mb->l2_len = sizeof(struct ether_hdr);
mb->l3_len = sizeof(struct ipv4_hdr);
}
#endif /* _MACSWAP_COMMON_H_ */