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From: Stephen Hurd <stephen.hurd@broadcom.com>
To: dev@dpdk.org,
ajit.khaparde@broadcom.com,
bruce.richardson@intel.com
Date: Tue, 14 Jun 2016 15:56:09 -0700
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<1465944971-113413-1-git-send-email-stephen.hurd@broadcom.com>
Subject: [dpdk-dev] [PATCH v5 36/38] bnxt: add reta update/query operations
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From: Ajit Khaparde <ajit.khaparde@broadcom.com>
Add code to Update/query reta dev_ops
Uses the bnxt_hwrm_vnic_rss_cfg() HWRM API added earlier.
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Signed-off-by: Stephen Hurd <stephen.hurd@broadcom.com>
Reviewed-by: David Christensen <david.christensen@broadcom.com>
--
v5:
Rewrite the patch description.
Reorder the footer.
---
drivers/net/bnxt/bnxt_ethdev.c | 56 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 56 insertions(+)
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index b04010c..b3b76f1 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -582,6 +582,60 @@ static void bnxt_allmulticast_disable_op(struct rte_eth_dev *eth_dev)
bnxt_hwrm_cfa_l2_set_rx_mask(bp, vnic);
}
+static int bnxt_reta_update_op(struct rte_eth_dev *eth_dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
+ struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
+ struct bnxt_vnic_info *vnic;
+ int i;
+
+ if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG))
+ return -EINVAL;
+
+ if (reta_size != HW_HASH_INDEX_SIZE) {
+ RTE_LOG(ERR, PMD, "The configured hash table lookup size "
+ "(%d) must equal the size supported by the hardware "
+ "(%d)\n", reta_size, HW_HASH_INDEX_SIZE);
+ return -EINVAL;
+ }
+ /* Update the RSS VNIC(s) */
+ for (i = 0; i < MAX_FF_POOLS; i++) {
+ STAILQ_FOREACH(vnic, &bp->ff_pool[i], next) {
+ memcpy(vnic->rss_table, reta_conf, reta_size);
+
+ bnxt_hwrm_vnic_rss_cfg(bp, vnic);
+ }
+ }
+ return 0;
+}
+
+static int bnxt_reta_query_op(struct rte_eth_dev *eth_dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
+ struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
+
+ /* Retrieve from the default VNIC */
+ if (!vnic)
+ return -EINVAL;
+ if (!vnic->rss_table)
+ return -EINVAL;
+
+ if (reta_size != HW_HASH_INDEX_SIZE) {
+ RTE_LOG(ERR, PMD, "The configured hash table lookup size "
+ "(%d) must equal the size supported by the hardware "
+ "(%d)\n", reta_size, HW_HASH_INDEX_SIZE);
+ return -EINVAL;
+ }
+ /* EW - need to revisit here copying from u64 to u16 */
+ memcpy(reta_conf, vnic->rss_table, reta_size);
+
+ return 0;
+}
+
/*
* Initialization
*/
@@ -600,6 +654,8 @@ static struct eth_dev_ops bnxt_dev_ops = {
.rx_queue_release = bnxt_rx_queue_release_op,
.tx_queue_setup = bnxt_tx_queue_setup_op,
.tx_queue_release = bnxt_tx_queue_release_op,
+ .reta_update = bnxt_reta_update_op,
+ .reta_query = bnxt_reta_query_op,
.link_update = bnxt_link_update_op,
.promiscuous_enable = bnxt_promiscuous_enable_op,
.promiscuous_disable = bnxt_promiscuous_disable_op,
--
1.9.1