From: Andrew Rybchenko <arybchenko@solarflare.com>
Date: Thu, 7 Feb 2019 12:17:51 +0000 (+0000)
Subject: net/sfc: remove adapter locks from secondary process ops
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=bc932893099d3a897c00e522eda2a12ffab791ec;p=dpdk.git

net/sfc: remove adapter locks from secondary process ops

Adapter lock will become primary process only.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index c6bee09ee4..6b00601fc2 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -1071,11 +1071,8 @@ sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
 		      struct rte_eth_rxq_info *qinfo)
 {
 	struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
-	struct sfc_adapter *sa = dev->data->dev_private;
 	struct sfc_rxq_info *rxq_info;
 
-	sfc_adapter_lock(sa);
-
 	SFC_ASSERT(rx_queue_id < sas->rxq_count);
 
 	rxq_info = &sas->rxq_info[rx_queue_id];
@@ -1090,8 +1087,6 @@ sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
 		qinfo->scattered_rx = 1;
 	}
 	qinfo->nb_desc = rxq_info->entries;
-
-	sfc_adapter_unlock(sa);
 }
 
 /*
@@ -1103,11 +1098,8 @@ sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
 		      struct rte_eth_txq_info *qinfo)
 {
 	struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
-	struct sfc_adapter *sa = dev->data->dev_private;
 	struct sfc_txq_info *txq_info;
 
-	sfc_adapter_lock(sa);
-
 	SFC_ASSERT(tx_queue_id < sas->txq_count);
 
 	txq_info = &sas->txq_info[tx_queue_id];
@@ -1118,8 +1110,6 @@ sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
 	qinfo->conf.tx_free_thresh = txq_info->free_thresh;
 	qinfo->conf.tx_deferred_start = txq_info->deferred_start;
 	qinfo->nb_desc = txq_info->entries;
-
-	sfc_adapter_unlock(sa);
 }
 
 /*
@@ -1421,14 +1411,11 @@ sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 			  struct rte_eth_rss_conf *rss_conf)
 {
 	struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
-	struct sfc_adapter *sa = dev->data->dev_private;
 	struct sfc_rss *rss = &sas->rss;
 
 	if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE)
 		return -ENOTSUP;
 
-	sfc_adapter_lock(sa);
-
 	/*
 	 * Mapping of hash configuration between RTE and EFX is not one-to-one,
 	 * hence, conversion is done here to derive a correct set of ETH_RSS
@@ -1440,8 +1427,6 @@ sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 	if (rss_conf->rss_key != NULL)
 		rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE);
 
-	sfc_adapter_unlock(sa);
-
 	return 0;
 }
 
@@ -1526,7 +1511,6 @@ sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
 		       uint16_t reta_size)
 {
 	struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
-	struct sfc_adapter *sa = dev->data->dev_private;
 	struct sfc_rss *rss = &sas->rss;
 	int entry;
 
@@ -1539,8 +1523,6 @@ sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
 	if (reta_size != EFX_RSS_TBL_SIZE)
 		return -EINVAL;
 
-	sfc_adapter_lock(sa);
-
 	for (entry = 0; entry < reta_size; entry++) {
 		int grp = entry / RTE_RETA_GROUP_SIZE;
 		int grp_idx = entry % RTE_RETA_GROUP_SIZE;
@@ -1549,8 +1531,6 @@ sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
 			reta_conf[grp].reta[grp_idx] = rss->tbl[entry];
 	}
 
-	sfc_adapter_unlock(sa);
-
 	return 0;
 }