netdev - [PATCH 01/14] net: ionic: Rename neqs_per

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Message-ID: <20250423102913.438027-2-abhijit.gangurde@amd.com>
Date: Wed, 23 Apr 2025 15:59:00 +0530
From: Abhijit Gangurde <abhijit.gangurde@....com>
To: <shannon.nelson@....com>, <brett.creeley@....com>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<corbet@....net>, <jgg@...pe.ca>, <leon@...nel.org>, <andrew+netdev@...n.ch>
CC: <allen.hubbe@....com>, <nikhil.agarwal@....com>,
	<linux-rdma@...r.kernel.org>, <netdev@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Abhijit Gangurde
	<abhijit.gangurde@....com>
Subject: [PATCH 01/14] net: ionic: Rename neqs_per_lif to reflect rdma capability

RDMA event queues are named as eqs in current ionic device and lif
structure. Rename these variables to reflect RDMA capability.

Reviewed-by: Shannon Nelson <shannon.nelson@....com>
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@....com>
---
 drivers/net/ethernet/pensando/ionic/ionic.h   |  2 +-
 .../net/ethernet/pensando/ionic/ionic_lif.c   | 20 +++++++++----------
 .../net/ethernet/pensando/ionic/ionic_lif.h   |  2 +-
 3 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h
index 04f00ea94230..013e1ce72d0d 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic.h
@@ -50,7 +50,7 @@ struct ionic {
 	struct workqueue_struct *wq;
 	struct ionic_lif *lif;
 	unsigned int nnqs_per_lif;
-	unsigned int neqs_per_lif;
+	unsigned int nrdma_eqs_per_lif;
 	unsigned int ntxqs_per_lif;
 	unsigned int nrxqs_per_lif;
 	unsigned int nintrs;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 7707a9e53c43..0a99a72376ae 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -3267,7 +3267,7 @@ int ionic_lif_alloc(struct ionic *ionic)
 	lif->netdev->max_mtu =
 		le32_to_cpu(lif->identity->eth.max_frame_size) - VLAN_ETH_HLEN;
 
-	lif->neqs = ionic->neqs_per_lif;
+	lif->nrdma_eqs = ionic->nrdma_eqs_per_lif;
 	lif->nxqs = ionic->ntxqs_per_lif;
 
 	lif->index = 0;
@@ -4022,19 +4022,20 @@ int ionic_lif_size(struct ionic *ionic)
 {
 	struct ionic_identity *ident = &ionic->ident;
 	unsigned int nintrs, dev_nintrs;
+	unsigned int nrdma_eqs_per_lif;
 	union ionic_lif_config *lc;
 	unsigned int ntxqs_per_lif;
 	unsigned int nrxqs_per_lif;
-	unsigned int neqs_per_lif;
 	unsigned int nnqs_per_lif;
-	unsigned int nxqs, neqs;
+	unsigned int nrdma_eqs;
 	unsigned int min_intrs;
+	unsigned int nxqs;
 	int err;
 
 	/* retrieve basic values from FW */
 	lc = &ident->lif.eth.config;
 	dev_nintrs = le32_to_cpu(ident->dev.nintrs);
-	neqs_per_lif = le32_to_cpu(ident->lif.rdma.eq_qtype.qid_count);
+	nrdma_eqs_per_lif = le32_to_cpu(ident->lif.rdma.eq_qtype.qid_count);
 	nnqs_per_lif = le32_to_cpu(lc->queue_count[IONIC_QTYPE_NOTIFYQ]);
 	ntxqs_per_lif = le32_to_cpu(lc->queue_count[IONIC_QTYPE_TXQ]);
 	nrxqs_per_lif = le32_to_cpu(lc->queue_count[IONIC_QTYPE_RXQ]);
@@ -4042,7 +4043,6 @@ int ionic_lif_size(struct ionic *ionic)
 	/* limit values to play nice with kdump */
 	if (is_kdump_kernel()) {
 		dev_nintrs = 2;
-		neqs_per_lif = 0;
 		nnqs_per_lif = 0;
 		ntxqs_per_lif = 1;
 		nrxqs_per_lif = 1;
@@ -4060,7 +4060,7 @@ int ionic_lif_size(struct ionic *ionic)
 
 	nxqs = min(ntxqs_per_lif, nrxqs_per_lif);
 	nxqs = min(nxqs, num_online_cpus());
-	neqs = min(neqs_per_lif, num_online_cpus());
+	nrdma_eqs = min(nrdma_eqs_per_lif, num_online_cpus());
 
 try_again:
 	/* interrupt usage:
@@ -4068,7 +4068,7 @@ int ionic_lif_size(struct ionic *ionic)
 	 *    1 for each CPU for master lif TxRx queue pairs
 	 *    whatever's left is for RDMA queues
 	 */
-	nintrs = 1 + nxqs + neqs;
+	nintrs = 1 + nxqs + nrdma_eqs;
 	min_intrs = 2;  /* adminq + 1 TxRx queue pair */
 
 	if (nintrs > dev_nintrs)
@@ -4088,7 +4088,7 @@ int ionic_lif_size(struct ionic *ionic)
 	}
 
 	ionic->nnqs_per_lif = nnqs_per_lif;
-	ionic->neqs_per_lif = neqs;
+	ionic->nrdma_eqs_per_lif = nrdma_eqs;
 	ionic->ntxqs_per_lif = nxqs;
 	ionic->nrxqs_per_lif = nxqs;
 	ionic->nintrs = nintrs;
@@ -4102,8 +4102,8 @@ int ionic_lif_size(struct ionic *ionic)
 		nnqs_per_lif >>= 1;
 		goto try_again;
 	}
-	if (neqs > 1) {
-		neqs >>= 1;
+	if (nrdma_eqs > 1) {
+		nrdma_eqs >>= 1;
 		goto try_again;
 	}
 	if (nxqs > 1) {
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
index e01756fb7fdd..05e9a931ef0d 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
@@ -202,7 +202,7 @@ struct ionic_lif {
 	u64 last_eid;
 	unsigned int kern_pid;
 	u64 __iomem *kern_dbpage;
-	unsigned int neqs;
+	unsigned int nrdma_eqs;
 	unsigned int nxqs;
 	unsigned int ntxq_descs;
 	unsigned int nrxq_descs;
-- 
2.34.1