1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2019 Marvell International Ltd.
5 #include <rte_common.h>
6 #include <rte_memzone.h>
8 #include "otx2_ethdev.h"
10 /* NIX_RX_PARSE_S's ERRCODE + ERRLEV (12 bits) */
11 #define ERRCODE_ERRLEN_WIDTH 12
12 #define ERR_ARRAY_SZ ((BIT(ERRCODE_ERRLEN_WIDTH)) *\
15 #define LOOKUP_ARRAY_SZ (PTYPE_ARRAY_SZ + ERR_ARRAY_SZ)
18 otx2_nix_supported_ptypes_get(struct rte_eth_dev *eth_dev)
20 RTE_SET_USED(eth_dev);
22 static const uint32_t ptypes[] = {
23 RTE_PTYPE_L2_ETHER_QINQ, /* LB */
24 RTE_PTYPE_L2_ETHER_VLAN, /* LB */
25 RTE_PTYPE_L2_ETHER_TIMESYNC, /* LB */
26 RTE_PTYPE_L2_ETHER_ARP, /* LC */
27 RTE_PTYPE_L2_ETHER_NSH, /* LC */
28 RTE_PTYPE_L2_ETHER_FCOE, /* LC */
29 RTE_PTYPE_L2_ETHER_MPLS, /* LC */
30 RTE_PTYPE_L3_IPV4, /* LC */
31 RTE_PTYPE_L3_IPV4_EXT, /* LC */
32 RTE_PTYPE_L3_IPV6, /* LC */
33 RTE_PTYPE_L3_IPV6_EXT, /* LC */
34 RTE_PTYPE_L4_TCP, /* LD */
35 RTE_PTYPE_L4_UDP, /* LD */
36 RTE_PTYPE_L4_SCTP, /* LD */
37 RTE_PTYPE_L4_ICMP, /* LD */
38 RTE_PTYPE_L4_IGMP, /* LD */
39 RTE_PTYPE_TUNNEL_GRE, /* LD */
40 RTE_PTYPE_TUNNEL_ESP, /* LD */
41 RTE_PTYPE_TUNNEL_NVGRE, /* LD */
42 RTE_PTYPE_TUNNEL_VXLAN, /* LE */
43 RTE_PTYPE_TUNNEL_GENEVE, /* LE */
44 RTE_PTYPE_TUNNEL_GTPC, /* LE */
45 RTE_PTYPE_TUNNEL_GTPU, /* LE */
46 RTE_PTYPE_TUNNEL_VXLAN_GPE, /* LE */
47 RTE_PTYPE_TUNNEL_MPLS_IN_GRE, /* LE */
48 RTE_PTYPE_TUNNEL_MPLS_IN_UDP, /* LE */
49 RTE_PTYPE_INNER_L2_ETHER,/* LF */
50 RTE_PTYPE_INNER_L3_IPV4, /* LG */
51 RTE_PTYPE_INNER_L3_IPV6, /* LG */
52 RTE_PTYPE_INNER_L4_TCP, /* LH */
53 RTE_PTYPE_INNER_L4_UDP, /* LH */
54 RTE_PTYPE_INNER_L4_SCTP, /* LH */
55 RTE_PTYPE_INNER_L4_ICMP, /* LH */
63 otx2_nix_ptypes_set(struct rte_eth_dev *eth_dev, uint32_t ptype_mask)
65 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
68 dev->rx_offload_flags |= NIX_RX_OFFLOAD_PTYPE_F;
69 dev->ptype_disable = 0;
71 dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_PTYPE_F;
72 dev->ptype_disable = 1;
75 otx2_eth_set_rx_function(eth_dev);
81 * +------------------ +------------------ +
82 * | | IL4 | IL3| IL2 | TU | L4 | L3 | L2 |
83 * +-------------------+-------------------+
85 * +-------------------+------------------ +
86 * | | LH | LG | LF | LE | LD | LC | LB |
87 * +-------------------+-------------------+
89 * ptype [LE - LD - LC - LB] = TU - L4 - L3 - T2
90 * ptype_tunnel[LH - LG - LF] = IL4 - IL3 - IL2 - TU
94 nix_create_non_tunnel_ptype_array(uint16_t *ptype)
96 uint8_t lb, lc, ld, le;
100 for (idx = 0; idx < PTYPE_NON_TUNNEL_ARRAY_SZ; idx++) {
102 lc = (idx & 0xF0) >> 4;
103 ld = (idx & 0xF00) >> 8;
104 le = (idx & 0xF000) >> 12;
105 val = RTE_PTYPE_UNKNOWN;
108 case NPC_LT_LB_STAG_QINQ:
109 val |= RTE_PTYPE_L2_ETHER_QINQ;
112 val |= RTE_PTYPE_L2_ETHER_VLAN;
118 val |= RTE_PTYPE_L2_ETHER_ARP;
121 val |= RTE_PTYPE_L2_ETHER_NSH;
124 val |= RTE_PTYPE_L2_ETHER_FCOE;
127 val |= RTE_PTYPE_L2_ETHER_MPLS;
130 val |= RTE_PTYPE_L3_IPV4;
132 case NPC_LT_LC_IP_OPT:
133 val |= RTE_PTYPE_L3_IPV4_EXT;
136 val |= RTE_PTYPE_L3_IPV6;
138 case NPC_LT_LC_IP6_EXT:
139 val |= RTE_PTYPE_L3_IPV6_EXT;
142 val |= RTE_PTYPE_L2_ETHER_TIMESYNC;
148 val |= RTE_PTYPE_L4_TCP;
151 val |= RTE_PTYPE_L4_UDP;
154 val |= RTE_PTYPE_L4_SCTP;
157 case NPC_LT_LD_ICMP6:
158 val |= RTE_PTYPE_L4_ICMP;
161 val |= RTE_PTYPE_L4_IGMP;
164 val |= RTE_PTYPE_TUNNEL_GRE;
166 case NPC_LT_LD_NVGRE:
167 val |= RTE_PTYPE_TUNNEL_NVGRE;
170 val |= RTE_PTYPE_TUNNEL_ESP;
175 case NPC_LT_LE_VXLAN:
176 val |= RTE_PTYPE_TUNNEL_VXLAN;
178 case NPC_LT_LE_VXLANGPE:
179 val |= RTE_PTYPE_TUNNEL_VXLAN_GPE;
181 case NPC_LT_LE_GENEVE:
182 val |= RTE_PTYPE_TUNNEL_GENEVE;
185 val |= RTE_PTYPE_TUNNEL_GTPC;
188 val |= RTE_PTYPE_TUNNEL_GTPU;
190 case NPC_LT_LE_TU_MPLS_IN_GRE:
191 val |= RTE_PTYPE_TUNNEL_MPLS_IN_GRE;
193 case NPC_LT_LE_TU_MPLS_IN_UDP:
194 val |= RTE_PTYPE_TUNNEL_MPLS_IN_UDP;
201 #define TU_SHIFT(x) ((x) >> PTYPE_NON_TUNNEL_WIDTH)
203 nix_create_tunnel_ptype_array(uint16_t *ptype)
209 /* Skip non tunnel ptype array memory */
210 ptype = ptype + PTYPE_NON_TUNNEL_ARRAY_SZ;
212 for (idx = 0; idx < PTYPE_TUNNEL_ARRAY_SZ; idx++) {
214 lg = (idx & 0xF0) >> 4;
215 lh = (idx & 0xF00) >> 8;
216 val = RTE_PTYPE_UNKNOWN;
219 case NPC_LT_LF_TU_ETHER:
220 val |= TU_SHIFT(RTE_PTYPE_INNER_L2_ETHER);
224 case NPC_LT_LG_TU_IP:
225 val |= TU_SHIFT(RTE_PTYPE_INNER_L3_IPV4);
227 case NPC_LT_LG_TU_IP6:
228 val |= TU_SHIFT(RTE_PTYPE_INNER_L3_IPV6);
232 case NPC_LT_LH_TU_TCP:
233 val |= TU_SHIFT(RTE_PTYPE_INNER_L4_TCP);
235 case NPC_LT_LH_TU_UDP:
236 val |= TU_SHIFT(RTE_PTYPE_INNER_L4_UDP);
238 case NPC_LT_LH_TU_SCTP:
239 val |= TU_SHIFT(RTE_PTYPE_INNER_L4_SCTP);
241 case NPC_LT_LH_TU_ICMP:
242 case NPC_LT_LH_TU_ICMP6:
243 val |= TU_SHIFT(RTE_PTYPE_INNER_L4_ICMP);
252 nix_create_rx_ol_flags_array(void *mem)
254 uint16_t idx, errcode, errlev;
255 uint32_t val, *ol_flags;
257 /* Skip ptype array memory */
258 ol_flags = (uint32_t *)((uint8_t *)mem + PTYPE_ARRAY_SZ);
260 for (idx = 0; idx < BIT(ERRCODE_ERRLEN_WIDTH); idx++) {
262 errcode = (idx & 0xff0) >> 4;
264 val = PKT_RX_IP_CKSUM_UNKNOWN;
265 val |= PKT_RX_L4_CKSUM_UNKNOWN;
266 val |= PKT_RX_OUTER_L4_CKSUM_UNKNOWN;
270 /* Mark all errors as BAD checksum errors */
272 val |= PKT_RX_IP_CKSUM_BAD;
273 val |= PKT_RX_L4_CKSUM_BAD;
275 val |= PKT_RX_IP_CKSUM_GOOD;
276 val |= PKT_RX_L4_CKSUM_GOOD;
280 if (errcode == NPC_EC_OIP4_CSUM ||
281 errcode == NPC_EC_IP_FRAG_OFFSET_1) {
282 val |= PKT_RX_IP_CKSUM_BAD;
283 val |= PKT_RX_EIP_CKSUM_BAD;
285 val |= PKT_RX_IP_CKSUM_GOOD;
289 if (errcode == NPC_EC_IIP4_CSUM)
290 val |= PKT_RX_IP_CKSUM_BAD;
292 val |= PKT_RX_IP_CKSUM_GOOD;
295 val |= PKT_RX_IP_CKSUM_GOOD;
296 if (errcode == NIX_RX_PERRCODE_OL4_CHK) {
297 val |= PKT_RX_OUTER_L4_CKSUM_BAD;
298 val |= PKT_RX_L4_CKSUM_BAD;
299 } else if (errcode == NIX_RX_PERRCODE_IL4_CHK) {
300 val |= PKT_RX_L4_CKSUM_BAD;
302 val |= PKT_RX_L4_CKSUM_GOOD;
312 otx2_nix_fastpath_lookup_mem_get(void)
314 const char name[] = "otx2_nix_fastpath_lookup_mem";
315 const struct rte_memzone *mz;
318 mz = rte_memzone_lookup(name);
322 /* Request for the first time */
323 mz = rte_memzone_reserve_aligned(name, LOOKUP_ARRAY_SZ,
324 SOCKET_ID_ANY, 0, OTX2_ALIGN);
327 /* Form the ptype array lookup memory */
328 nix_create_non_tunnel_ptype_array(mem);
329 nix_create_tunnel_ptype_array(mem);
330 /* Form the rx ol_flags based on errcode */
331 nix_create_rx_ol_flags_array(mem);