xref: /dpdk/drivers/net/dpaa2/dpaa2_sparser.c (revision 25d0ae6242453c3e482d752495d5a30f3ada11dd)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright 2018-2023 NXP
3  */
4 
5 #include <rte_mbuf.h>
6 #include <rte_ethdev.h>
7 #include <rte_malloc.h>
8 #include <rte_memcpy.h>
9 #include <rte_string_fns.h>
10 #include <dev_driver.h>
11 
12 #include <fslmc_logs.h>
13 #include <fslmc_vfio.h>
14 #include <dpaa2_hw_pvt.h>
15 #include <dpaa2_hw_dpio.h>
16 #include <dpaa2_hw_mempool.h>
17 #include <dpaa2_pmd_logs.h>
18 
19 #include "dpaa2_ethdev.h"
20 #include "dpaa2_sparser.h"
21 #include "base/dpaa2_hw_dpni_annot.h"
22 #define __STDC_FORMAT_MACROS
23 #include <stdint.h>
24 #include <inttypes.h>
25 
26 uint8_t wriop_bytecode[] = {
27 	0x00, 0x04, 0x29, 0x42, 0x03, 0xe0, 0x12, 0x00, 0x29, 0x02,
28 	0x18, 0x00, 0x87, 0x3c, 0x00, 0x02, 0x18, 0x00, 0x00, 0x00
29 };
30 
31 struct frame_attr frame_attr_arr[] = {
32 	/* Frame Attribute Flags 1 */
33 	/* 000 */ {"Routing header present in IPv6 header 2 ", 0, 0x80000000},
34 	/* 001 */ {"GTP Primed was detected                 ", 0, 0x40000000},
35 	/* 002 */ {"VLAN with VID = 0 was detected          ", 0, 0x20000000},
36 	/* 003 */ {"A PTP frame was detected                ", 0, 0x10000000},
37 	/* 004 */ {"VXLAN was parsed                        ", 0, 0x08000000},
38 	/* 005 */ {"A VXLAN HXS parsing error was detected  ", 0, 0x04000000},
39 	/* 006 */ {"Ethernet control protocol was detected  ", 0, 0x02000000},
40 	/* 007 */ {"IKE was detected at UDP port 4500       ", 0, 0x01000000},
41 	/* 008 */ {"Shim Shell Soft Parsing Error           ", 0, 0x00800000},
42 	/* 009 */ {"Parsing Error                           ", 0, 0x00400000},
43 	/* 010 */ {"Ethernet MAC Present                    ", 0, 0x00200000},
44 	/* 011 */ {"Ethernet Unicast                        ", 0, 0x00100000},
45 	/* 012 */ {"Ethernet Multicast                      ", 0, 0x00080000},
46 	/* 013 */ {"Ethernet Broadcast                      ", 0, 0x00040000},
47 	/* 014 */ {"BPDU frame (MAC DA is 01:80:C2:00:00:00)", 0, 0x00020000},
48 	/* 015 */ {"FCoE detected (Ether type is 0x8906)    ", 0, 0x00010000},
49 	/* 016 */ {"FIP detected (Ether type is 0x8914)     ", 0, 0x00008000},
50 	/* 017 */ {"Ethernet Parsing Error                  ", 0, 0x00004000},
51 	/* 018 */ {"LLC+SNAP Present                        ", 0, 0x00002000},
52 	/* 019 */ {"Unknown LLC/OUI                         ", 0, 0x00001000},
53 	/* 020 */ {"LLC+SNAP Error                          ", 0, 0x00000800},
54 	/* 021 */ {"VLAN 1 Present                          ", 0, 0x00000400},
55 	/* 022 */ {"VLAN n Present                          ", 0, 0x00000200},
56 	/* 023 */ {"CFI bit in a \"8100\" VLAN tag is set   ", 0, 0x00000100},
57 	/* 024 */ {"VLAN Parsing Error                      ", 0, 0x00000080},
58 	/* 025 */ {"PPPoE+PPP Present                       ", 0, 0x00000040},
59 	/* 026 */ {"PPPoE+PPP Parsing Error                 ", 0, 0x00000020},
60 	/* 027 */ {"MPLS 1 Present                          ", 0, 0x00000010},
61 	/* 028 */ {"MPLS n Present                          ", 0, 0x00000008},
62 	/* 029 */ {"MPLS Parsing Error                      ", 0, 0x00000004},
63 	/* 030 */ {"ARP frame Present (Ethertype 0x0806)    ", 0, 0x00000002},
64 	/* 031 */ {"ARP Parsing Error                       ", 0, 0x00000001},
65 	/* Frame Attribute Flags 2 */
66 	/* 032 */ {"L2 Unknown Protocol                     ", 1, 0x80000000},
67 	/* 033 */ {"L2 Soft Parsing Error                   ", 1, 0x40000000},
68 	/* 034 */ {"IPv4 1 Present                          ", 1, 0x20000000},
69 	/* 035 */ {"IPv4 1 Unicast                          ", 1, 0x10000000},
70 	/* 036 */ {"IPv4 1 Multicast                        ", 1, 0x08000000},
71 	/* 037 */ {"IPv4 1 Broadcast                        ", 1, 0x04000000},
72 	/* 038 */ {"IPv4 n Present                          ", 1, 0x02000000},
73 	/* 039 */ {"IPv4 n Unicast                          ", 1, 0x01000000},
74 	/* 040 */ {"IPv4 n Multicast                        ", 1, 0x00800000},
75 	/* 041 */ {"IPv4 n Broadcast                        ", 1, 0x00400000},
76 	/* 042 */ {"IPv6 1 Present                          ", 1, 0x00200000},
77 	/* 043 */ {"IPv6 1 Unicast                          ", 1, 0x00100000},
78 	/* 044 */ {"IPv6 1 Multicast                        ", 1, 0x00080000},
79 	/* 045 */ {"IPv6 n Present                          ", 1, 0x00040000},
80 	/* 046 */ {"IPv6 n Unicast                          ", 1, 0x00020000},
81 	/* 047 */ {"IPv6 n Multicast                        ", 1, 0x00010000},
82 	/* 048 */ {"IP 1 option present                     ", 1, 0x00008000},
83 	/* 049 */ {"IP 1 Unknown Protocol                   ", 1, 0x00004000},
84 	/* 050 */ {"IP 1 Packet is a fragment               ", 1, 0x00002000},
85 	/* 051 */ {"IP 1 Packet is an initial fragment      ", 1, 0x00001000},
86 	/* 052 */ {"IP 1 Parsing Error                      ", 1, 0x00000800},
87 	/* 053 */ {"IP n option present                     ", 1, 0x00000400},
88 	/* 054 */ {"IP n Unknown Protocol                   ", 1, 0x00000200},
89 	/* 055 */ {"IP n Packet is a fragment               ", 1, 0x00000100},
90 	/* 056 */ {"IP n Packet is an initial fragment      ", 1, 0x00000080},
91 	/* 057 */ {"ICMP detected (IP proto is 1)           ", 1, 0x00000040},
92 	/* 058 */ {"IGMP detected (IP proto is 2)           ", 1, 0x00000020},
93 	/* 059 */ {"ICMPv6 detected (IP proto is 3a)        ", 1, 0x00000010},
94 	/* 060 */ {"UDP Light detected (IP proto is 136)    ", 1, 0x00000008},
95 	/* 061 */ {"IP n Parsing Error                      ", 1, 0x00000004},
96 	/* 062 */ {"Min. Encap Present                      ", 1, 0x00000002},
97 	/* 063 */ {"Min. Encap S flag set                   ", 1, 0x00000001},
98 	/* Frame Attribute Flags 3 */
99 	/* 064 */ {"Min. Encap Parsing Error                ", 2, 0x80000000},
100 	/* 065 */ {"GRE Present                             ", 2, 0x40000000},
101 	/* 066 */ {"GRE R bit set                           ", 2, 0x20000000},
102 	/* 067 */ {"GRE Parsing Error                       ", 2, 0x10000000},
103 	/* 068 */ {"L3 Unknown Protocol                     ", 2, 0x08000000},
104 	/* 069 */ {"L3 Soft Parsing Error                   ", 2, 0x04000000},
105 	/* 070 */ {"UDP Present                             ", 2, 0x02000000},
106 	/* 071 */ {"UDP Parsing Error                       ", 2, 0x01000000},
107 	/* 072 */ {"TCP Present                             ", 2, 0x00800000},
108 	/* 073 */ {"TCP options present                     ", 2, 0x00400000},
109 	/* 074 */ {"TCP Control bits 6-11 set               ", 2, 0x00200000},
110 	/* 075 */ {"TCP Control bits 3-5 set                ", 2, 0x00100000},
111 	/* 076 */ {"TCP Parsing Error                       ", 2, 0x00080000},
112 	/* 077 */ {"IPSec Present                           ", 2, 0x00040000},
113 	/* 078 */ {"IPSec ESP found                         ", 2, 0x00020000},
114 	/* 079 */ {"IPSec AH found                          ", 2, 0x00010000},
115 	/* 080 */ {"IPSec Parsing Error                     ", 2, 0x00008000},
116 	/* 081 */ {"SCTP Present                            ", 2, 0x00004000},
117 	/* 082 */ {"SCTP Parsing Error                      ", 2, 0x00002000},
118 	/* 083 */ {"DCCP Present                            ", 2, 0x00001000},
119 	/* 084 */ {"DCCP Parsing Error                      ", 2, 0x00000800},
120 	/* 085 */ {"L4 Unknown Protocol                     ", 2, 0x00000400},
121 	/* 086 */ {"L4 Soft Parsing Error                   ", 2, 0x00000200},
122 	/* 087 */ {"GTP Present                             ", 2, 0x00000100},
123 	/* 088 */ {"GTP Parsing Error                       ", 2, 0x00000080},
124 	/* 089 */ {"ESP Present                             ", 2, 0x00000040},
125 	/* 090 */ {"ESP Parsing Error                       ", 2, 0x00000020},
126 	/* 091 */ {"iSCSI detected (Port# 860)              ", 2, 0x00000010},
127 	/* 092 */ {"Capwap-control detected (Port# 5246)    ", 2, 0x00000008},
128 	/* 093 */ {"Capwap-data detected (Port# 5247)       ", 2, 0x00000004},
129 	/* 094 */ {"L5 Soft Parsing Error                   ", 2, 0x00000002},
130 	/* 095 */ {"IPv6 Route hdr1 present                 ", 2, 0x00000001},
131 	/* 096 */ {NULL,                                       0, 0x00000000}
132 };
133 
134 struct frame_attr_ext frame_attr_ext_arr[] = {
135 	/* Frame Attribute Flags Extension */
136 	/* 096 */ {"User defined soft parser bit #0         ", 0, 0x8000},
137 	/* 096 */ {"User defined soft parser bit #1         ", 0, 0x4000},
138 	/* 096 */ {"User defined soft parser bit #2         ", 0, 0x2000},
139 	/* 096 */ {"User defined soft parser bit #3         ", 0, 0x1000},
140 	/* 096 */ {"User defined soft parser bit #4         ", 0, 0x0800},
141 	/* 096 */ {"User defined soft parser bit #5         ", 0, 0x0400},
142 	/* 096 */ {"User defined soft parser bit #6         ", 0, 0x0200},
143 	/* 096 */ {"User defined soft parser bit #7         ", 0, 0x0100},
144 	/* 097 */ {"Reserved                                ", 0, 0x00ff},
145 	/* 112 */ {NULL,                                       0, 0x0000}
146 };
147 
148 int dpaa2_eth_load_wriop_soft_parser(struct dpaa2_dev_priv *priv,
149 				     enum dpni_soft_sequence_dest dest)
150 {
151 	struct fsl_mc_io *dpni = priv->hw;
152 	struct dpni_load_ss_cfg     cfg;
153 	struct dpni_drv_sparser_param	sp_param;
154 	uint8_t *addr;
155 	int ret;
156 
157 	memset(&sp_param, 0, sizeof(sp_param));
158 	sp_param.start_pc = priv->ss_offset;
159 	sp_param.byte_code = &wriop_bytecode[0];
160 	sp_param.size = sizeof(wriop_bytecode);
161 
162 	cfg.dest = dest;
163 	cfg.ss_offset = sp_param.start_pc;
164 	cfg.ss_size = sp_param.size;
165 
166 	addr = rte_malloc(NULL, sp_param.size, 64);
167 	if (!addr) {
168 		DPAA2_PMD_ERR("Memory unavailable for soft parser param");
169 		return -1;
170 	}
171 
172 	memcpy(addr, sp_param.byte_code, sp_param.size);
173 	cfg.ss_iova = DPAA2_VADDR_TO_IOVA_AND_CHECK(addr, sp_param.size);
174 	if (cfg.ss_iova == RTE_BAD_IOVA) {
175 		DPAA2_PMD_ERR("No IOMMU map for soft sequence(%p), size=%d",
176 			addr, sp_param.size);
177 		rte_free(addr);
178 
179 		return -ENOBUFS;
180 	}
181 
182 	ret = dpni_load_sw_sequence(dpni, CMD_PRI_LOW, priv->token, &cfg);
183 	if (ret) {
184 		DPAA2_PMD_ERR("dpni_load_sw_sequence failed");
185 		rte_free(addr);
186 		return ret;
187 	}
188 
189 	priv->ss_iova = cfg.ss_iova;
190 	priv->ss_offset += sp_param.size;
191 	DPAA2_PMD_INFO("Soft parser loaded for dpni@%d", priv->hw_id);
192 
193 	rte_free(addr);
194 	return 0;
195 }
196 
197 int dpaa2_eth_enable_wriop_soft_parser(struct dpaa2_dev_priv *priv,
198 				       enum dpni_soft_sequence_dest dest)
199 {
200 	struct fsl_mc_io *dpni = priv->hw;
201 	struct dpni_enable_ss_cfg cfg;
202 	uint8_t pa[3];
203 	struct dpni_drv_sparser_param sp_param;
204 	uint8_t *param_addr = NULL;
205 	int ret;
206 
207 	memset(&sp_param, 0, sizeof(sp_param));
208 	pa[0] = 32;	/* Custom Header Length in bytes */
209 	sp_param.custom_header_first = 1;
210 	sp_param.param_offset = 32;
211 	sp_param.param_size = 1;
212 	sp_param.start_pc = priv->ss_offset;
213 	sp_param.param_array = (uint8_t *)&pa[0];
214 
215 	cfg.dest = dest;
216 	cfg.ss_offset = sp_param.start_pc;
217 	cfg.set_start = sp_param.custom_header_first;
218 	cfg.hxs = (uint16_t)sp_param.link_to_hard_hxs;
219 	cfg.param_offset = sp_param.param_offset;
220 	cfg.param_size = sp_param.param_size;
221 	if (cfg.param_size) {
222 		param_addr = rte_malloc(NULL, cfg.param_size, 64);
223 		if (!param_addr) {
224 			DPAA2_PMD_ERR("Memory unavailable for soft parser param");
225 			return -1;
226 		}
227 
228 		memcpy(param_addr, sp_param.param_array, cfg.param_size);
229 		cfg.param_iova = DPAA2_VADDR_TO_IOVA_AND_CHECK(param_addr,
230 			cfg.param_size);
231 		if (cfg.param_iova == RTE_BAD_IOVA) {
232 			DPAA2_PMD_ERR("%s: No IOMMU map for %p, size=%d",
233 				__func__, param_addr, cfg.param_size);
234 			rte_free(param_addr);
235 
236 			return -ENOBUFS;
237 		}
238 		priv->ss_param_iova = cfg.param_iova;
239 	} else {
240 		cfg.param_iova = 0;
241 	}
242 
243 	ret = dpni_enable_sw_sequence(dpni, CMD_PRI_LOW, priv->token, &cfg);
244 	if (ret) {
245 		DPAA2_PMD_ERR("Soft parser enabled for dpni@%d failed",
246 			priv->hw_id);
247 		rte_free(param_addr);
248 		return ret;
249 	}
250 
251 	rte_free(param_addr);
252 	DPAA2_PMD_INFO("Soft parser enabled for dpni@%d", priv->hw_id);
253 	return 0;
254 }
255