+void
+nicvf_first_skip_config(struct nicvf *nic, uint8_t num_dwords)
+{
+ uint64_t val;
+
+ val = nicvf_reg_read(nic, NIC_VNIC_RQ_GEN_CFG);
+ val &= ~(0xfULL);
+ val |= (num_dwords & 0xf);
+
+ nicvf_reg_write(nic, NIC_VNIC_RQ_GEN_CFG, val);
+}
+
+void
+nicvf_apad_config(struct nicvf *nic, bool enable)
+{
+ uint64_t val;
+
+ /* APAD always enabled in this device */
+ if (!(nic->hwcap & NICVF_CAP_DISABLE_APAD))
+ return;
+
+ val = nicvf_reg_read(nic, NIC_VNIC_RQ_GEN_CFG);
+ if (enable)
+ val &= ~(1ULL << NICVF_QS_RQ_DIS_APAD_SHIFT);
+ else
+ val |= (1ULL << NICVF_QS_RQ_DIS_APAD_SHIFT);
+
+ nicvf_reg_write(nic, NIC_VNIC_RQ_GEN_CFG, val);
+}
+
+void
+nicvf_rss_set_key(struct nicvf *nic, uint8_t *key)
+{
+ int idx;
+ uint64_t addr, val;
+ uint64_t *keyptr = (uint64_t *)key;
+
+ addr = NIC_VNIC_RSS_KEY_0_4;
+ for (idx = 0; idx < RSS_HASH_KEY_SIZE; idx++) {
+ val = nicvf_cpu_to_be_64(*keyptr);
+ nicvf_reg_write(nic, addr, val);
+ addr += sizeof(uint64_t);
+ keyptr++;
+ }
+}
+
+void
+nicvf_rss_get_key(struct nicvf *nic, uint8_t *key)
+{
+ int idx;
+ uint64_t addr, val;
+ uint64_t *keyptr = (uint64_t *)key;
+
+ addr = NIC_VNIC_RSS_KEY_0_4;
+ for (idx = 0; idx < RSS_HASH_KEY_SIZE; idx++) {
+ val = nicvf_reg_read(nic, addr);
+ *keyptr = nicvf_be_to_cpu_64(val);
+ addr += sizeof(uint64_t);
+ keyptr++;
+ }
+}
+
+void
+nicvf_rss_set_cfg(struct nicvf *nic, uint64_t val)
+{
+ nicvf_reg_write(nic, NIC_VNIC_RSS_CFG, val);
+}
+
+uint64_t
+nicvf_rss_get_cfg(struct nicvf *nic)
+{
+ return nicvf_reg_read(nic, NIC_VNIC_RSS_CFG);
+}
+
+int
+nicvf_rss_reta_update(struct nicvf *nic, uint8_t *tbl, uint32_t max_count)
+{
+ uint32_t idx;
+ struct nicvf_rss_reta_info *rss = &nic->rss_info;
+
+ /* result will be stored in nic->rss_info.rss_size */
+ if (nicvf_mbox_get_rss_size(nic))
+ return NICVF_ERR_RSS_GET_SZ;
+
+ assert(rss->rss_size > 0);
+ rss->hash_bits = (uint8_t)nicvf_log2_u32(rss->rss_size);
+ for (idx = 0; idx < rss->rss_size && idx < max_count; idx++)
+ rss->ind_tbl[idx] = tbl[idx];
+
+ if (nicvf_mbox_config_rss(nic))
+ return NICVF_ERR_RSS_TBL_UPDATE;
+
+ return NICVF_OK;
+}
+
+int
+nicvf_rss_reta_query(struct nicvf *nic, uint8_t *tbl, uint32_t max_count)
+{
+ uint32_t idx;
+ struct nicvf_rss_reta_info *rss = &nic->rss_info;
+
+ /* result will be stored in nic->rss_info.rss_size */
+ if (nicvf_mbox_get_rss_size(nic))
+ return NICVF_ERR_RSS_GET_SZ;
+
+ assert(rss->rss_size > 0);
+ rss->hash_bits = (uint8_t)nicvf_log2_u32(rss->rss_size);
+
+ for (idx = 0; idx < rss->rss_size && idx < max_count; idx++)
+ tbl[idx] = rss->ind_tbl[idx];
+
+ return NICVF_OK;
+}
+
+int
+nicvf_rss_config(struct nicvf *nic, uint32_t qcnt, uint64_t cfg)
+{
+ uint32_t idx;
+ uint8_t default_reta[NIC_MAX_RSS_IDR_TBL_SIZE];
+ uint8_t default_key[RSS_HASH_KEY_BYTE_SIZE] = {
+ 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD,
+ 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD,
+ 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD,
+ 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD,
+ 0xFE, 0xED, 0x0B, 0xAD, 0xFE, 0xED, 0x0B, 0xAD
+ };
+
+ if (nic->cpi_alg != CPI_ALG_NONE)
+ return -EINVAL;
+
+ if (cfg == 0)
+ return -EINVAL;
+
+ /* Update default RSS key and cfg */
+ nicvf_rss_set_key(nic, default_key);
+ nicvf_rss_set_cfg(nic, cfg);
+
+ /* Update default RSS RETA */
+ for (idx = 0; idx < NIC_MAX_RSS_IDR_TBL_SIZE; idx++)
+ default_reta[idx] = idx % qcnt;
+
+ return nicvf_rss_reta_update(nic, default_reta,
+ NIC_MAX_RSS_IDR_TBL_SIZE);
+}
+
+int
+nicvf_rss_term(struct nicvf *nic)
+{
+ uint32_t idx;
+ uint8_t disable_rss[NIC_MAX_RSS_IDR_TBL_SIZE];
+
+ nicvf_rss_set_cfg(nic, 0);
+ /* Redirect the output to 0th queue */
+ for (idx = 0; idx < NIC_MAX_RSS_IDR_TBL_SIZE; idx++)
+ disable_rss[idx] = 0;
+
+ return nicvf_rss_reta_update(nic, disable_rss,
+ NIC_MAX_RSS_IDR_TBL_SIZE);
+}
+