net/failsafe: fix crash on slave queue release

[dpdk.git] / drivers / net / sfc / sfc_ef10_essb_rx.c

diff --git a/drivers/net/sfc/sfc_ef10_essb_rx.c b/drivers/net/sfc/sfc_ef10_essb_rx.c
index 8428a31..81c8f7f 100644 (file)
--- a/drivers/net/sfc/sfc_ef10_essb_rx.c
+++ b/drivers/net/sfc/sfc_ef10_essb_rx.c
@@ -437,10 +437,19 @@ sfc_ef10_essb_rx_qdesc_npending(struct sfc_dp_rxq *dp_rxq)
 
 static sfc_dp_rx_qdesc_status_t sfc_ef10_essb_rx_qdesc_status;
 static int
-sfc_ef10_essb_rx_qdesc_status(__rte_unused struct sfc_dp_rxq *dp_rxq,
-                             __rte_unused uint16_t offset)
+sfc_ef10_essb_rx_qdesc_status(struct sfc_dp_rxq *dp_rxq, uint16_t offset)
 {
-       return -ENOTSUP;
+       struct sfc_ef10_essb_rxq *rxq = sfc_ef10_essb_rxq_by_dp_rxq(dp_rxq);
+       unsigned int pending = sfc_ef10_essb_rx_qdesc_npending(dp_rxq);
+
+       if (offset < pending)
+               return RTE_ETH_RX_DESC_DONE;
+
+       if (offset < (rxq->added - rxq->completed) * rxq->block_size +
+                    rxq->left_in_completed - rxq->block_size)
+               return RTE_ETH_RX_DESC_AVAIL;
+
+       return RTE_ETH_RX_DESC_UNAVAIL;
 }
 
 static sfc_dp_rx_get_dev_info_t sfc_ef10_essb_rx_get_dev_info;
@@ -696,7 +705,8 @@ struct sfc_dp_rx sfc_ef10_essb_rx = {
                                  SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER,
        },
        .features               = SFC_DP_RX_FEAT_FLOW_FLAG |
-                                 SFC_DP_RX_FEAT_FLOW_MARK,
+                                 SFC_DP_RX_FEAT_FLOW_MARK |
+                                 SFC_DP_RX_FEAT_CHECKSUM,
        .get_dev_info           = sfc_ef10_essb_rx_get_dev_info,
        .pool_ops_supported     = sfc_ef10_essb_rx_pool_ops_supported,
        .qsize_up_rings         = sfc_ef10_essb_rx_qsize_up_rings,