numam-dpdk/drivers/net/cnxk/cn9k_tx.c
Pavan Nikhilesh 305ca2c4c3 net/cnxk: support multi-segment vector Tx
Add multi segment Tx vector routine.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Acked-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
2021-06-30 05:26:48 +02:00

89 lines
2.8 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2021 Marvell.
*/
#include "cn9k_ethdev.h"
#include "cn9k_tx.h"
#define T(name, f5, f4, f3, f2, f1, f0, sz, flags) \
uint16_t __rte_noinline __rte_hot cn9k_nix_xmit_pkts_##name( \
void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts) \
{ \
uint64_t cmd[sz]; \
\
/* For TSO inner checksum is a must */ \
if (((flags) & NIX_TX_OFFLOAD_TSO_F) && \
!((flags) & NIX_TX_OFFLOAD_L3_L4_CSUM_F)) \
return 0; \
return cn9k_nix_xmit_pkts(tx_queue, tx_pkts, pkts, cmd, flags);\
}
NIX_TX_FASTPATH_MODES
#undef T
static inline void
pick_tx_func(struct rte_eth_dev *eth_dev,
const eth_tx_burst_t tx_burst[2][2][2][2][2][2])
{
struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
/* [TS] [TSO] [NOFF] [VLAN] [OL3_OL4_CSUM] [IL3_IL4_CSUM] */
eth_dev->tx_pkt_burst = tx_burst
[!!(dev->tx_offload_flags & NIX_TX_OFFLOAD_TSTAMP_F)]
[!!(dev->tx_offload_flags & NIX_TX_OFFLOAD_TSO_F)]
[!!(dev->tx_offload_flags & NIX_TX_OFFLOAD_MBUF_NOFF_F)]
[!!(dev->tx_offload_flags & NIX_TX_OFFLOAD_VLAN_QINQ_F)]
[!!(dev->tx_offload_flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)]
[!!(dev->tx_offload_flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F)];
}
void
cn9k_eth_set_tx_function(struct rte_eth_dev *eth_dev)
{
struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
const eth_tx_burst_t nix_eth_tx_burst[2][2][2][2][2][2] = {
#define T(name, f5, f4, f3, f2, f1, f0, sz, flags) \
[f5][f4][f3][f2][f1][f0] = cn9k_nix_xmit_pkts_##name,
NIX_TX_FASTPATH_MODES
#undef T
};
const eth_tx_burst_t nix_eth_tx_burst_mseg[2][2][2][2][2][2] = {
#define T(name, f5, f4, f3, f2, f1, f0, sz, flags) \
[f5][f4][f3][f2][f1][f0] = cn9k_nix_xmit_pkts_mseg_##name,
NIX_TX_FASTPATH_MODES
#undef T
};
const eth_tx_burst_t nix_eth_tx_vec_burst[2][2][2][2][2][2] = {
#define T(name, f5, f4, f3, f2, f1, f0, sz, flags) \
[f5][f4][f3][f2][f1][f0] = cn9k_nix_xmit_pkts_vec_##name,
NIX_TX_FASTPATH_MODES
#undef T
};
const eth_tx_burst_t nix_eth_tx_vec_burst_mseg[2][2][2][2][2][2] = {
#define T(name, f5, f4, f3, f2, f1, f0, sz, flags) \
[f5][f4][f3][f2][f1][f0] = cn9k_nix_xmit_pkts_vec_mseg_##name,
NIX_TX_FASTPATH_MODES
#undef T
};
if (dev->scalar_ena) {
pick_tx_func(eth_dev, nix_eth_tx_burst);
if (dev->tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
pick_tx_func(eth_dev, nix_eth_tx_burst_mseg);
} else {
pick_tx_func(eth_dev, nix_eth_tx_vec_burst);
if (dev->tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
pick_tx_func(eth_dev, nix_eth_tx_vec_burst_mseg);
}
rte_mb();
}