1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
3 */
4
5 #include "cn9k_ethdev.h"
6 #include "cn9k_rx.h"
7
8 static inline void
pick_rx_func(struct rte_eth_dev * eth_dev,const eth_rx_burst_t rx_burst[NIX_RX_OFFLOAD_MAX])9 pick_rx_func(struct rte_eth_dev *eth_dev,
10 const eth_rx_burst_t rx_burst[NIX_RX_OFFLOAD_MAX])
11 {
12 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
13
14 /* [TSP] [MARK] [VLAN] [CKSUM] [PTYPE] [RSS] */
15 eth_dev->rx_pkt_burst =
16 rx_burst[dev->rx_offload_flags & (NIX_RX_OFFLOAD_MAX - 1)];
17
18 if (eth_dev->data->dev_started)
19 rte_eth_fp_ops[eth_dev->data->port_id].rx_pkt_burst =
20 eth_dev->rx_pkt_burst;
21
22 rte_atomic_thread_fence(__ATOMIC_RELEASE);
23 }
24
25 void
cn9k_eth_set_rx_function(struct rte_eth_dev * eth_dev)26 cn9k_eth_set_rx_function(struct rte_eth_dev *eth_dev)
27 {
28 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
29
30 const eth_rx_burst_t nix_eth_rx_burst[NIX_RX_OFFLOAD_MAX] = {
31 #define R(name, flags)[flags] = cn9k_nix_recv_pkts_##name,
32
33 NIX_RX_FASTPATH_MODES
34 #undef R
35 };
36
37 const eth_rx_burst_t nix_eth_rx_burst_mseg[NIX_RX_OFFLOAD_MAX] = {
38 #define R(name, flags)[flags] = cn9k_nix_recv_pkts_mseg_##name,
39
40 NIX_RX_FASTPATH_MODES
41 #undef R
42 };
43
44 const eth_rx_burst_t nix_eth_rx_vec_burst[NIX_RX_OFFLOAD_MAX] = {
45 #define R(name, flags)[flags] = cn9k_nix_recv_pkts_vec_##name,
46
47 NIX_RX_FASTPATH_MODES
48 #undef R
49 };
50
51 const eth_rx_burst_t nix_eth_rx_vec_burst_mseg[NIX_RX_OFFLOAD_MAX] = {
52 #define R(name, flags)[flags] = cn9k_nix_recv_pkts_vec_mseg_##name,
53
54 NIX_RX_FASTPATH_MODES
55 #undef R
56 };
57
58 /* Copy multi seg version with no offload for tear down sequence */
59 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
60 dev->rx_pkt_burst_no_offload = nix_eth_rx_burst_mseg[0];
61
62 if (dev->scalar_ena) {
63 if (dev->rx_offloads & RTE_ETH_RX_OFFLOAD_SCATTER)
64 return pick_rx_func(eth_dev, nix_eth_rx_burst_mseg);
65 return pick_rx_func(eth_dev, nix_eth_rx_burst);
66 }
67
68 if (dev->rx_offloads & RTE_ETH_RX_OFFLOAD_SCATTER)
69 return pick_rx_func(eth_dev, nix_eth_rx_vec_burst_mseg);
70 return pick_rx_func(eth_dev, nix_eth_rx_vec_burst);
71 }
72