diff mbox series

[net-next] liquidio: Removed duplicate Tx queue status check

Message ID 20180326204027.GA8101@felix-thinkpad.cavium.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series [net-next] liquidio: Removed duplicate Tx queue status check | expand

Commit Message

Manlunas, Felix March 26, 2018, 8:40 p.m. UTC 
From: Intiyaz Basha <intiyaz.basha@cavium.com>

Napi is checking Tx queue status and waking the Tx queue if required.
Same operation is being done while freeing every Tx buffer.
So removed the duplicate operation of checking Tx queue status from the Tx
buffer free functions.

Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
---
 drivers/net/ethernet/cavium/liquidio/lio_main.c    | 28 ---------------------
 drivers/net/ethernet/cavium/liquidio/lio_vf_main.c | 29 ----------------------
 2 files changed, 57 deletions(-)

Comments

David Miller March 27, 2018, 3:03 p.m. UTC | #1 
From: Felix Manlunas <felix.manlunas@cavium.com>
Date: Mon, 26 Mar 2018 13:40:27 -0700

> From: Intiyaz Basha <intiyaz.basha@cavium.com>
> 
> Napi is checking Tx queue status and waking the Tx queue if required.
> Same operation is being done while freeing every Tx buffer.
> So removed the duplicate operation of checking Tx queue status from the Tx
> buffer free functions.
> 
> Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>

Applied, thank you.
diff mbox series

Patch

diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index 58b5c75..43c5ba0 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -1635,28 +1635,6 @@  static int octeon_pci_os_setup(struct octeon_device *oct)
 }
 
 /**
- * \brief Check Tx queue state for a given network buffer
- * @param lio per-network private data
- * @param skb network buffer
- */
-static inline int check_txq_state(struct lio *lio, struct sk_buff *skb)
-{
-	int q, iq;
-
-	q = skb->queue_mapping;
-	iq = lio->linfo.txpciq[(q % lio->oct_dev->num_iqs)].s.q_no;
-
-	if (octnet_iq_is_full(lio->oct_dev, iq))
-		return 0;
-
-	if (__netif_subqueue_stopped(lio->netdev, q)) {
-		INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq, tx_restart, 1);
-		netif_wake_subqueue(lio->netdev, q);
-	}
-	return 1;
-}
-
-/**
  * \brief Unmap and free network buffer
  * @param buf buffer
  */
@@ -1673,8 +1651,6 @@  static void free_netbuf(void *buf)
 	dma_unmap_single(&lio->oct_dev->pci_dev->dev, finfo->dptr, skb->len,
 			 DMA_TO_DEVICE);
 
-	check_txq_state(lio, skb);
-
 	tx_buffer_free(skb);
 }
 
@@ -1715,8 +1691,6 @@  static void free_netsgbuf(void *buf)
 	list_add_tail(&g->list, &lio->glist[iq]);
 	spin_unlock(&lio->glist_lock[iq]);
 
-	check_txq_state(lio, skb);     /* mq support: sub-queue state check */
-
 	tx_buffer_free(skb);
 }
 
@@ -1762,8 +1736,6 @@  static void free_netsgbuf_with_resp(void *buf)
 	spin_unlock(&lio->glist_lock[iq]);
 
 	/* Don't free the skb yet */
-
-	check_txq_state(lio, skb);
 }
 
 /**
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
index d5f5c9a..dc62698 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
@@ -954,29 +954,6 @@  static int octeon_pci_os_setup(struct octeon_device *oct)
 }
 
 /**
- * \brief Check Tx queue state for a given network buffer
- * @param lio per-network private data
- * @param skb network buffer
- */
-static int check_txq_state(struct lio *lio, struct sk_buff *skb)
-{
-	int q, iq;
-
-	q = skb->queue_mapping;
-	iq = lio->linfo.txpciq[q % lio->oct_dev->num_iqs].s.q_no;
-
-	if (octnet_iq_is_full(lio->oct_dev, iq))
-		return 0;
-
-	if (__netif_subqueue_stopped(lio->netdev, q)) {
-		INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq, tx_restart, 1);
-		netif_wake_subqueue(lio->netdev, q);
-	}
-
-	return 1;
-}
-
-/**
  * \brief Unmap and free network buffer
  * @param buf buffer
  */
@@ -993,8 +970,6 @@  static void free_netbuf(void *buf)
 	dma_unmap_single(&lio->oct_dev->pci_dev->dev, finfo->dptr, skb->len,
 			 DMA_TO_DEVICE);
 
-	check_txq_state(lio, skb);
-
 	tx_buffer_free(skb);
 }
 
@@ -1036,8 +1011,6 @@  static void free_netsgbuf(void *buf)
 	list_add_tail(&g->list, &lio->glist[iq]);
 	spin_unlock(&lio->glist_lock[iq]);
 
-	check_txq_state(lio, skb); /* mq support: sub-queue state check */
-
 	tx_buffer_free(skb);
 }
 
@@ -1083,8 +1056,6 @@  static void free_netsgbuf_with_resp(void *buf)
 	spin_unlock(&lio->glist_lock[iq]);
 
 	/* Don't free the skb yet */
-
-	check_txq_state(lio, skb);
 }
 
 /**