[dpdk-dev] [PATCH v3 03/27] net/ena: remove support of legacy LLQ

[Michal Krawczyk]

From: Rafal Kozik <r...@semihalf.com>

The legacy LLQ should no longer be supported by the drivers, as this API
is deprecated. Because of that, it was removed from the driver.

Signed-off-by: Rafal Kozik <r...@semihalf.com>
Signed-off-by: Michal Krawczyk <m...@semihalf.com>
---
 drivers/net/ena/ena_ethdev.c | 29 +++++------------------------
 1 file changed, 5 insertions(+), 24 deletions(-)

diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index 71d6838a0..f4b137a83 100644
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -1327,16 +1327,11 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)
        adapter->regs = pci_dev->mem_resource[ENA_REGS_BAR].addr;
        adapter->dev_mem_base = pci_dev->mem_resource[ENA_MEM_BAR].addr;
 
-       /* Present ENA_MEM_BAR indicates available LLQ mode.
-        * Use corresponding policy
-        */
-       if (adapter->dev_mem_base)
-               ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_DEV;
-       else if (adapter->regs)
-               ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
-       else
+       if (!adapter->regs) {
                PMD_INIT_LOG(CRIT, "Failed to access registers BAR(%d)",
                             ENA_REGS_BAR);
+               return -ENXIO;
+       }
 
        ena_dev->reg_bar = adapter->regs;
        ena_dev->dmadev = adapter->pdev;
@@ -1353,22 +1348,8 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)
                return -1;
        }
 
-       if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) {
-               if (get_feat_ctx.max_queues.max_llq_num == 0) {
-                       PMD_INIT_LOG(ERR,
-                                    "Trying to use LLQ but llq_num is 0.\n"
-                                    "Fall back into regular queues.");
-                       ena_dev->tx_mem_queue_type =
-                               ENA_ADMIN_PLACEMENT_POLICY_HOST;
-                       adapter->num_queues =
-                               get_feat_ctx.max_queues.max_sq_num;
-               } else {
-                       adapter->num_queues =
-                               get_feat_ctx.max_queues.max_llq_num;
-               }
-       } else {
-               adapter->num_queues = get_feat_ctx.max_queues.max_sq_num;
-       }
+       ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
+       adapter->num_queues = get_feat_ctx.max_queues.max_sq_num;
 
        queue_size = ena_calc_queue_size(ena_dev, &get_feat_ctx);
        if ((queue_size <= 0) || (adapter->num_queues <= 0))
-- 
2.14.1