1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2019 Marvell International Ltd.
8 /* Default mark value used when none is provided. */
9 #define OTX2_FLOW_ACTION_FLAG_DEFAULT 0xffff
11 #define PTYPE_WIDTH 12
12 #define PTYPE_NON_TUNNEL_ARRAY_SZ BIT(PTYPE_WIDTH)
13 #define PTYPE_TUNNEL_ARRAY_SZ BIT(PTYPE_WIDTH)
14 #define PTYPE_ARRAY_SZ ((PTYPE_NON_TUNNEL_ARRAY_SZ +\
15 PTYPE_TUNNEL_ARRAY_SZ) *\
18 #define NIX_RX_OFFLOAD_NONE (0)
19 #define NIX_RX_OFFLOAD_RSS_F BIT(0)
20 #define NIX_RX_OFFLOAD_PTYPE_F BIT(1)
21 #define NIX_RX_OFFLOAD_CHECKSUM_F BIT(2)
22 #define NIX_RX_OFFLOAD_VLAN_STRIP_F BIT(3)
23 #define NIX_RX_OFFLOAD_MARK_UPDATE_F BIT(4)
24 #define NIX_RX_OFFLOAD_TSTAMP_F BIT(5)
26 #define NIX_TIMESYNC_RX_OFFSET 8
28 struct otx2_timesync_info {
30 rte_iova_t tx_tstamp_iova;
34 } __rte_cache_aligned;
36 union mbuf_initializer {
46 static __rte_always_inline void
47 otx2_nix_mbuf_to_tstamp(struct rte_mbuf *mbuf,
48 struct otx2_timesync_info *tstamp, const uint16_t flag)
50 if ((flag & NIX_RX_OFFLOAD_TSTAMP_F) &&
51 mbuf->packet_type == RTE_PTYPE_L2_ETHER_TIMESYNC &&
52 (mbuf->data_off == RTE_PKTMBUF_HEADROOM +
53 NIX_TIMESYNC_RX_OFFSET)) {
56 /* Deal with rx timestamp */
57 tstamp_ptr = rte_pktmbuf_mtod_offset(mbuf, uint64_t *,
58 -NIX_TIMESYNC_RX_OFFSET);
59 mbuf->timestamp = rte_be_to_cpu_64(*tstamp_ptr);
60 tstamp->rx_tstamp = mbuf->timestamp;
62 mbuf->ol_flags |= PKT_RX_IEEE1588_PTP | PKT_RX_IEEE1588_TMST
67 static __rte_always_inline uint64_t
68 nix_clear_data_off(uint64_t oldval)
70 union mbuf_initializer mbuf_init = { .value = oldval };
72 mbuf_init.fields.data_off = 0;
73 return mbuf_init.value;
76 static __rte_always_inline struct rte_mbuf *
77 nix_get_mbuf_from_cqe(void *cq, const uint64_t data_off)
81 /* Skip CQE, NIX_RX_PARSE_S and SG HDR(9 DWORDs) and peek buff addr */
82 buff = *((rte_iova_t *)((uint64_t *)cq + 9));
83 return (struct rte_mbuf *)(buff - data_off);
87 static __rte_always_inline uint32_t
88 nix_ptype_get(const void * const lookup_mem, const uint64_t in)
90 const uint16_t * const ptype = lookup_mem;
91 const uint16_t lg_lf_le = (in & 0xFFF000000000000) >> 48;
92 const uint16_t tu_l2 = ptype[(in & 0x000FFF000000000) >> 36];
93 const uint16_t il4_tu = ptype[PTYPE_NON_TUNNEL_ARRAY_SZ + lg_lf_le];
95 return (il4_tu << PTYPE_WIDTH) | tu_l2;
98 static __rte_always_inline uint32_t
99 nix_rx_olflags_get(const void * const lookup_mem, const uint64_t in)
101 const uint32_t * const ol_flags = (const uint32_t *)
102 ((const uint8_t *)lookup_mem + PTYPE_ARRAY_SZ);
104 return ol_flags[(in & 0xfff00000) >> 20];
107 static inline uint64_t
108 nix_update_match_id(const uint16_t match_id, uint64_t ol_flags,
109 struct rte_mbuf *mbuf)
111 /* There is no separate bit to check match_id
112 * is valid or not? and no flag to identify it is an
113 * RTE_FLOW_ACTION_TYPE_FLAG vs RTE_FLOW_ACTION_TYPE_MARK
114 * action. The former case addressed through 0 being invalid
115 * value and inc/dec match_id pair when MARK is activated.
116 * The later case addressed through defining
117 * OTX2_FLOW_MARK_DEFAULT as value for
118 * RTE_FLOW_ACTION_TYPE_MARK.
119 * This would translate to not use
120 * OTX2_FLOW_ACTION_FLAG_DEFAULT - 1 and
121 * OTX2_FLOW_ACTION_FLAG_DEFAULT for match_id.
122 * i.e valid mark_id's are from
123 * 0 to OTX2_FLOW_ACTION_FLAG_DEFAULT - 2
125 if (likely(match_id)) {
126 ol_flags |= PKT_RX_FDIR;
127 if (match_id != OTX2_FLOW_ACTION_FLAG_DEFAULT) {
128 ol_flags |= PKT_RX_FDIR_ID;
129 mbuf->hash.fdir.hi = match_id - 1;
136 static __rte_always_inline void
137 otx2_nix_cqe_to_mbuf(const struct nix_cqe_hdr_s *cq, const uint32_t tag,
138 struct rte_mbuf *mbuf, const void *lookup_mem,
139 const uint64_t val, const uint16_t flag)
141 const struct nix_rx_parse_s *rx =
142 (const struct nix_rx_parse_s *)((const uint64_t *)cq + 1);
143 const uint64_t w1 = *(const uint64_t *)rx;
144 const uint16_t len = rx->pkt_lenm1 + 1;
145 uint64_t ol_flags = 0;
147 /* Mark mempool obj as "get" as it is alloc'ed by NIX */
148 __mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1, 1);
150 if (flag & NIX_RX_OFFLOAD_PTYPE_F)
151 mbuf->packet_type = nix_ptype_get(lookup_mem, w1);
153 mbuf->packet_type = 0;
155 if (flag & NIX_RX_OFFLOAD_RSS_F) {
156 mbuf->hash.rss = tag;
157 ol_flags |= PKT_RX_RSS_HASH;
160 if (flag & NIX_RX_OFFLOAD_CHECKSUM_F)
161 ol_flags |= nix_rx_olflags_get(lookup_mem, w1);
163 if (flag & NIX_RX_OFFLOAD_VLAN_STRIP_F) {
164 if (rx->vtag0_gone) {
165 ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
166 mbuf->vlan_tci = rx->vtag0_tci;
168 if (rx->vtag1_gone) {
169 ol_flags |= PKT_RX_QINQ | PKT_RX_QINQ_STRIPPED;
170 mbuf->vlan_tci_outer = rx->vtag1_tci;
174 if (flag & NIX_RX_OFFLOAD_MARK_UPDATE_F)
175 ol_flags = nix_update_match_id(rx->match_id, ol_flags, mbuf);
177 mbuf->ol_flags = ol_flags;
178 *(uint64_t *)(&mbuf->rearm_data) = val;
181 mbuf->data_len = len;
184 #define CKSUM_F NIX_RX_OFFLOAD_CHECKSUM_F
185 #define PTYPE_F NIX_RX_OFFLOAD_PTYPE_F
186 #define RSS_F NIX_RX_OFFLOAD_RSS_F
187 #define RX_VLAN_F NIX_RX_OFFLOAD_VLAN_STRIP_F
188 #define MARK_F NIX_RX_OFFLOAD_MARK_UPDATE_F
189 #define TS_F NIX_RX_OFFLOAD_TSTAMP_F
191 /* [TSMP] [MARK] [VLAN] [CKSUM] [PTYPE] [RSS] */
192 #define NIX_RX_FASTPATH_MODES \
193 R(no_offload, 0, 0, 0, 0, 0, 0, NIX_RX_OFFLOAD_NONE) \
194 R(rss, 0, 0, 0, 0, 0, 1, RSS_F) \
195 R(ptype, 0, 0, 0, 0, 1, 0, PTYPE_F) \
196 R(ptype_rss, 0, 0, 0, 0, 1, 1, PTYPE_F | RSS_F) \
197 R(cksum, 0, 0, 0, 1, 0, 0, CKSUM_F) \
198 R(cksum_rss, 0, 0, 0, 1, 0, 1, CKSUM_F | RSS_F) \
199 R(cksum_ptype, 0, 0, 0, 1, 1, 0, CKSUM_F | PTYPE_F) \
200 R(cksum_ptype_rss, 0, 0, 0, 1, 1, 1, CKSUM_F | PTYPE_F | RSS_F)\
201 R(vlan, 0, 0, 1, 0, 0, 0, RX_VLAN_F) \
202 R(vlan_rss, 0, 0, 1, 0, 0, 1, RX_VLAN_F | RSS_F) \
203 R(vlan_ptype, 0, 0, 1, 0, 1, 0, RX_VLAN_F | PTYPE_F) \
204 R(vlan_ptype_rss, 0, 0, 1, 0, 1, 1, RX_VLAN_F | PTYPE_F | RSS_F)\
205 R(vlan_cksum, 0, 0, 1, 1, 0, 0, RX_VLAN_F | CKSUM_F) \
206 R(vlan_cksum_rss, 0, 0, 1, 1, 0, 1, RX_VLAN_F | CKSUM_F | RSS_F)\
207 R(vlan_cksum_ptype, 0, 0, 1, 1, 1, 0, \
208 RX_VLAN_F | CKSUM_F | PTYPE_F) \
209 R(vlan_cksum_ptype_rss, 0, 0, 1, 1, 1, 1, \
210 RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F) \
211 R(mark, 0, 1, 0, 0, 0, 0, MARK_F) \
212 R(mark_rss, 0, 1, 0, 0, 0, 1, MARK_F | RSS_F) \
213 R(mark_ptype, 0, 1, 0, 0, 1, 0, MARK_F | PTYPE_F) \
214 R(mark_ptype_rss, 0, 1, 0, 0, 1, 1, MARK_F | PTYPE_F | RSS_F)\
215 R(mark_cksum, 0, 1, 0, 1, 0, 0, MARK_F | CKSUM_F) \
216 R(mark_cksum_rss, 0, 1, 0, 1, 0, 1, MARK_F | CKSUM_F | RSS_F)\
217 R(mark_cksum_ptype, 0, 1, 0, 1, 1, 0, MARK_F | CKSUM_F | PTYPE_F)\
218 R(mark_cksum_ptype_rss, 0, 1, 0, 1, 1, 1, \
219 MARK_F | CKSUM_F | PTYPE_F | RSS_F) \
220 R(mark_vlan, 0, 1, 1, 0, 0, 0, MARK_F | RX_VLAN_F) \
221 R(mark_vlan_rss, 0, 1, 1, 0, 0, 1, MARK_F | RX_VLAN_F | RSS_F)\
222 R(mark_vlan_ptype, 0, 1, 1, 0, 1, 0, \
223 MARK_F | RX_VLAN_F | PTYPE_F) \
224 R(mark_vlan_ptype_rss, 0, 1, 1, 0, 1, 1, \
225 MARK_F | RX_VLAN_F | PTYPE_F | RSS_F) \
226 R(mark_vlan_cksum, 0, 1, 1, 1, 0, 0, \
227 MARK_F | RX_VLAN_F | CKSUM_F) \
228 R(mark_vlan_cksum_rss, 0, 1, 1, 1, 0, 1, \
229 MARK_F | RX_VLAN_F | CKSUM_F | RSS_F) \
230 R(mark_vlan_cksum_ptype, 0, 1, 1, 1, 1, 0, \
231 MARK_F | RX_VLAN_F | CKSUM_F | PTYPE_F) \
232 R(mark_vlan_cksum_ptype_rss, 0, 1, 1, 1, 1, 1, \
233 MARK_F | RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F) \
234 R(ts, 1, 0, 0, 0, 0, 0, TS_F) \
235 R(ts_rss, 1, 0, 0, 0, 0, 1, TS_F | RSS_F) \
236 R(ts_ptype, 1, 0, 0, 0, 1, 0, TS_F | PTYPE_F) \
237 R(ts_ptype_rss, 1, 0, 0, 0, 1, 1, TS_F | PTYPE_F | RSS_F)\
238 R(ts_cksum, 1, 0, 0, 1, 0, 0, TS_F | CKSUM_F) \
239 R(ts_cksum_rss, 1, 0, 0, 1, 0, 1, TS_F | CKSUM_F | RSS_F)\
240 R(ts_cksum_ptype, 1, 0, 0, 1, 1, 0, TS_F | CKSUM_F | PTYPE_F)\
241 R(ts_cksum_ptype_rss, 1, 0, 0, 1, 1, 1, \
242 TS_F | CKSUM_F | PTYPE_F | RSS_F) \
243 R(ts_vlan, 1, 0, 1, 0, 0, 0, TS_F | RX_VLAN_F) \
244 R(ts_vlan_rss, 1, 0, 1, 0, 0, 1, TS_F | RX_VLAN_F | RSS_F)\
245 R(ts_vlan_ptype, 1, 0, 1, 0, 1, 0, TS_F | RX_VLAN_F | PTYPE_F)\
246 R(ts_vlan_ptype_rss, 1, 0, 1, 0, 1, 1, \
247 TS_F | RX_VLAN_F | PTYPE_F | RSS_F) \
248 R(ts_vlan_cksum, 1, 0, 1, 1, 0, 0, \
249 TS_F | RX_VLAN_F | CKSUM_F) \
250 R(ts_vlan_cksum_rss, 1, 0, 1, 1, 0, 1, \
251 MARK_F | RX_VLAN_F | CKSUM_F | RSS_F) \
252 R(ts_vlan_cksum_ptype, 1, 0, 1, 1, 1, 0, \
253 TS_F | RX_VLAN_F | CKSUM_F | PTYPE_F) \
254 R(ts_vlan_cksum_ptype_rss, 1, 0, 1, 1, 1, 1, \
255 TS_F | RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F) \
256 R(ts_mark, 1, 1, 0, 0, 0, 0, TS_F | MARK_F) \
257 R(ts_mark_rss, 1, 1, 0, 0, 0, 1, TS_F | MARK_F | RSS_F)\
258 R(ts_mark_ptype, 1, 1, 0, 0, 1, 0, TS_F | MARK_F | PTYPE_F)\
259 R(ts_mark_ptype_rss, 1, 1, 0, 0, 1, 1, \
260 TS_F | MARK_F | PTYPE_F | RSS_F) \
261 R(ts_mark_cksum, 1, 1, 0, 1, 0, 0, TS_F | MARK_F | CKSUM_F)\
262 R(ts_mark_cksum_rss, 1, 1, 0, 1, 0, 1, \
263 TS_F | MARK_F | CKSUM_F | RSS_F)\
264 R(ts_mark_cksum_ptype, 1, 1, 0, 1, 1, 0, \
265 TS_F | MARK_F | CKSUM_F | PTYPE_F) \
266 R(ts_mark_cksum_ptype_rss, 1, 1, 0, 1, 1, 1, \
267 TS_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F) \
268 R(ts_mark_vlan, 1, 1, 1, 0, 0, 0, TS_F | MARK_F | RX_VLAN_F)\
269 R(ts_mark_vlan_rss, 1, 1, 1, 0, 0, 1, \
270 TS_F | MARK_F | RX_VLAN_F | RSS_F)\
271 R(ts_mark_vlan_ptype, 1, 1, 1, 0, 1, 0, \
272 TS_F | MARK_F | RX_VLAN_F | PTYPE_F) \
273 R(ts_mark_vlan_ptype_rss, 1, 1, 1, 0, 1, 1, \
274 TS_F | MARK_F | RX_VLAN_F | PTYPE_F | RSS_F) \
275 R(ts_mark_vlan_cksum_ptype, 1, 1, 1, 1, 1, 0, \
276 TS_F | MARK_F | RX_VLAN_F | CKSUM_F | PTYPE_F) \
277 R(ts_mark_vlan_cksum_ptype_rss, 1, 1, 1, 1, 1, 1, \
278 TS_F | MARK_F | RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F)
280 #endif /* __OTX2_RX_H__ */