[RFC PATCH v2 7/9] tg3: Support for byte queue limits
DORMANTno replies
From: Tom Herbert <hidden>
Date: 2011-08-08 04:53:39
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Changes to tg3 to use byte queue limits. Signed-off-by: Tom Herbert <redacted> --- drivers/net/tg3.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index dc3fbf6..ad06c40 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c@@ -4818,6 +4818,7 @@ static void tg3_tx(struct tg3_napi *tnapi) u32 sw_idx = tnapi->tx_cons; struct netdev_queue *txq; int index = tnapi - tp->napi; + unsigned int pkts_compl = 0, bytes_compl = 0; if (tg3_flag(tp, ENABLE_TSS)) index--;
@@ -4868,6 +4869,9 @@ static void tg3_tx(struct tg3_napi *tnapi) sw_idx = NEXT_TX(sw_idx); } + pkts_compl++; + bytes_compl += skb->len; + dev_kfree_skb(skb); if (unlikely(tx_bug)) {
@@ -4876,6 +4880,8 @@ static void tg3_tx(struct tg3_napi *tnapi) } } + netdev_completed_queue(tp->dev, pkts_compl, bytes_compl); + tnapi->tx_cons = sw_idx; /* Need to make the tx_cons update visible to tg3_start_xmit()
@@ -6313,6 +6319,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) } skb_tx_timestamp(skb); + netdev_sent_queue(tp->dev, 1, skb->len); /* Packets are ready, update Tx producer idx local and on card. */ tw32_tx_mbox(tnapi->prodmbox, entry);
@@ -6680,6 +6687,7 @@ static void tg3_free_rings(struct tg3 *tp) dev_kfree_skb_any(skb); } + netdev_reset_queue(tp->dev); } }
--
1.7.3.1