+void
+ionic_lif_free_queues(struct ionic_lif *lif)
+{
+ uint32_t i;
+
+ for (i = 0; i < lif->ntxqcqs; i++) {
+ ionic_dev_tx_queue_release(lif->eth_dev->data->tx_queues[i]);
+ lif->eth_dev->data->tx_queues[i] = NULL;
+ }
+ for (i = 0; i < lif->nrxqcqs; i++) {
+ ionic_dev_rx_queue_release(lif->eth_dev->data->rx_queues[i]);
+ lif->eth_dev->data->rx_queues[i] = NULL;
+ }
+}
+
+int
+ionic_lif_rss_config(struct ionic_lif *lif,
+ const uint16_t types, const uint8_t *key, const uint32_t *indir)
+{
+ struct ionic_adapter *adapter = lif->adapter;
+ struct ionic_admin_ctx ctx = {
+ .pending_work = true,
+ .cmd.lif_setattr = {
+ .opcode = IONIC_CMD_LIF_SETATTR,
+ .attr = IONIC_LIF_ATTR_RSS,
+ .rss.types = rte_cpu_to_le_16(types),
+ .rss.addr = rte_cpu_to_le_64(lif->rss_ind_tbl_pa),
+ },
+ };
+ unsigned int i;
+ uint16_t tbl_sz =
+ rte_le_to_cpu_16(adapter->ident.lif.eth.rss_ind_tbl_sz);
+
+ IONIC_PRINT_CALL();
+
+ lif->rss_types = types;
+
+ if (key)
+ memcpy(lif->rss_hash_key, key, IONIC_RSS_HASH_KEY_SIZE);
+
+ if (indir)
+ for (i = 0; i < tbl_sz; i++)
+ lif->rss_ind_tbl[i] = indir[i];
+
+ memcpy(ctx.cmd.lif_setattr.rss.key, lif->rss_hash_key,
+ IONIC_RSS_HASH_KEY_SIZE);
+
+ return ionic_adminq_post_wait(lif, &ctx);
+}
+
+static int
+ionic_lif_rss_setup(struct ionic_lif *lif)
+{
+ struct ionic_adapter *adapter = lif->adapter;
+ static const uint8_t toeplitz_symmetric_key[] = {
+ 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A,
+ 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A,
+ 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A,
+ 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A,
+ 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A, 0x6D, 0x5A,
+ };
+ uint32_t i;
+ uint16_t tbl_sz =
+ rte_le_to_cpu_16(adapter->ident.lif.eth.rss_ind_tbl_sz);
+
+ IONIC_PRINT_CALL();
+
+ if (!lif->rss_ind_tbl_z) {
+ lif->rss_ind_tbl_z = rte_eth_dma_zone_reserve(lif->eth_dev,
+ "rss_ind_tbl", 0 /* queue_idx */,
+ sizeof(*lif->rss_ind_tbl) * tbl_sz,
+ IONIC_ALIGN, rte_socket_id());
+ if (!lif->rss_ind_tbl_z) {
+ IONIC_PRINT(ERR, "OOM");
+ return -ENOMEM;
+ }
+
+ lif->rss_ind_tbl = lif->rss_ind_tbl_z->addr;
+ lif->rss_ind_tbl_pa = lif->rss_ind_tbl_z->iova;
+ }
+
+ if (lif->rss_ind_tbl_nrxqcqs != lif->nrxqcqs) {
+ lif->rss_ind_tbl_nrxqcqs = lif->nrxqcqs;
+
+ /* Fill indirection table with 'default' values */
+ for (i = 0; i < tbl_sz; i++)
+ lif->rss_ind_tbl[i] = i % lif->nrxqcqs;
+ }
+
+ return ionic_lif_rss_config(lif, IONIC_RSS_OFFLOAD_ALL,
+ toeplitz_symmetric_key, NULL);
+}
+
+static void
+ionic_lif_rss_teardown(struct ionic_lif *lif)
+{
+ if (!lif->rss_ind_tbl)
+ return;
+
+ if (lif->rss_ind_tbl_z) {
+ /* Disable RSS on the NIC */
+ ionic_lif_rss_config(lif, 0x0, NULL, NULL);
+
+ lif->rss_ind_tbl = NULL;
+ lif->rss_ind_tbl_pa = 0;
+ rte_memzone_free(lif->rss_ind_tbl_z);
+ lif->rss_ind_tbl_z = NULL;
+ }
+}
+