1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
9 roc_nix_rss_key_default_fill(struct roc_nix *roc_nix,
10 uint8_t key[ROC_NIX_RSS_KEY_LEN])
12 PLT_SET_USED(roc_nix);
13 const uint8_t default_key[ROC_NIX_RSS_KEY_LEN] = {
14 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED,
15 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD,
16 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED,
17 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD,
18 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD};
20 memcpy(key, default_key, ROC_NIX_RSS_KEY_LEN);
24 roc_nix_rss_key_set(struct roc_nix *roc_nix,
25 const uint8_t key[ROC_NIX_RSS_KEY_LEN])
27 struct nix *nix = roc_nix_to_nix_priv(roc_nix);
28 const uint64_t *keyptr;
32 keyptr = (const uint64_t *)key;
33 for (idx = 0; idx < (ROC_NIX_RSS_KEY_LEN >> 3); idx++) {
34 val = plt_cpu_to_be_64(keyptr[idx]);
35 plt_write64(val, nix->base + NIX_LF_RX_SECRETX(idx));
40 roc_nix_rss_key_get(struct roc_nix *roc_nix, uint8_t key[ROC_NIX_RSS_KEY_LEN])
42 struct nix *nix = roc_nix_to_nix_priv(roc_nix);
43 uint64_t *keyptr = (uint64_t *)key;
47 for (idx = 0; idx < (ROC_NIX_RSS_KEY_LEN >> 3); idx++) {
48 val = plt_read64(nix->base + NIX_LF_RX_SECRETX(idx));
49 keyptr[idx] = plt_be_to_cpu_64(val);
54 nix_cn9k_rss_reta_set(struct nix *nix, uint8_t group,
55 uint16_t reta[ROC_NIX_RSS_RETA_MAX])
57 struct mbox *mbox = (&nix->dev)->mbox;
58 struct nix_aq_enq_req *req;
62 for (idx = 0; idx < nix->reta_sz; idx++) {
63 req = mbox_alloc_msg_nix_aq_enq(mbox);
65 /* The shared memory buffer can be full.
68 rc = mbox_process(mbox);
71 req = mbox_alloc_msg_nix_aq_enq(mbox);
73 return NIX_ERR_NO_MEM;
75 req->rss.rq = reta[idx];
77 req->qidx = (group * nix->reta_sz) + idx;
78 req->ctype = NIX_AQ_CTYPE_RSS;
79 req->op = NIX_AQ_INSTOP_INIT;
82 rc = mbox_process(mbox);
90 nix_rss_reta_set(struct nix *nix, uint8_t group,
91 uint16_t reta[ROC_NIX_RSS_RETA_MAX])
93 struct mbox *mbox = (&nix->dev)->mbox;
94 struct nix_cn10k_aq_enq_req *req;
98 for (idx = 0; idx < nix->reta_sz; idx++) {
99 req = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
101 /* The shared memory buffer can be full.
104 rc = mbox_process(mbox);
107 req = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
109 return NIX_ERR_NO_MEM;
111 req->rss.rq = reta[idx];
113 req->qidx = (group * nix->reta_sz) + idx;
114 req->ctype = NIX_AQ_CTYPE_RSS;
115 req->op = NIX_AQ_INSTOP_INIT;
118 rc = mbox_process(mbox);
126 roc_nix_rss_reta_set(struct roc_nix *roc_nix, uint8_t group,
127 uint16_t reta[ROC_NIX_RSS_RETA_MAX])
129 struct nix *nix = roc_nix_to_nix_priv(roc_nix);
132 if (group >= ROC_NIX_RSS_GRPS)
133 return NIX_ERR_PARAM;
135 if (roc_model_is_cn9k())
136 rc = nix_cn9k_rss_reta_set(nix, group, reta);
138 rc = nix_rss_reta_set(nix, group, reta);
142 memcpy(&nix->reta[group], reta, ROC_NIX_RSS_RETA_MAX);
147 roc_nix_rss_reta_get(struct roc_nix *roc_nix, uint8_t group,
148 uint16_t reta[ROC_NIX_RSS_RETA_MAX])
150 struct nix *nix = roc_nix_to_nix_priv(roc_nix);
152 if (group >= ROC_NIX_RSS_GRPS)
153 return NIX_ERR_PARAM;
155 memcpy(reta, &nix->reta[group], ROC_NIX_RSS_RETA_MAX);
160 roc_nix_rss_flowkey_set(struct roc_nix *roc_nix, uint8_t *alg_idx,
161 uint32_t flowkey, uint8_t group, int mcam_index)
163 struct nix *nix = roc_nix_to_nix_priv(roc_nix);
164 struct nix_rss_flowkey_cfg_rsp *rss_rsp;
165 struct mbox *mbox = (&nix->dev)->mbox;
166 struct nix_rss_flowkey_cfg *cfg;
169 if (group >= ROC_NIX_RSS_GRPS)
170 return NIX_ERR_PARAM;
172 cfg = mbox_alloc_msg_nix_rss_flowkey_cfg(mbox);
175 cfg->flowkey_cfg = flowkey;
176 cfg->mcam_index = mcam_index; /* -1 indicates default group */
177 cfg->group = group; /* 0 is default group */
178 rc = mbox_process_msg(mbox, (void *)&rss_rsp);
182 *alg_idx = rss_rsp->alg_idx;
188 roc_nix_rss_default_setup(struct roc_nix *roc_nix, uint32_t flowkey)
190 struct nix *nix = roc_nix_to_nix_priv(roc_nix);
191 uint16_t idx, qcnt = nix->nb_rx_queues;
192 uint16_t reta[ROC_NIX_RSS_RETA_MAX];
193 uint8_t key[ROC_NIX_RSS_KEY_LEN];
197 roc_nix_rss_key_default_fill(roc_nix, key);
198 roc_nix_rss_key_set(roc_nix, key);
200 /* Update default RSS RETA */
201 for (idx = 0; idx < nix->reta_sz; idx++)
202 reta[idx] = idx % qcnt;
203 rc = roc_nix_rss_reta_set(roc_nix, 0, reta);
205 plt_err("Failed to set RSS reta table rc=%d", rc);
209 /* Update the default flowkey */
210 rc = roc_nix_rss_flowkey_set(roc_nix, &alg_idx, flowkey,
211 ROC_NIX_RSS_GROUP_DEFAULT, -1);
213 plt_err("Failed to set RSS flowkey rc=%d", rc);
217 nix->rss_alg_idx = alg_idx;