4f93bde681
This adds support for Byte Queue Limits in bgmac and b44, now it is possible to use more advanced network queue control algorithms. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 38038
50 lines
1.5 KiB
Diff
50 lines
1.5 KiB
Diff
From: Hauke Mehrtens <hauke@hauke-m.de>
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bgmac: add support for Byte Queue Limits
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--- a/drivers/net/ethernet/broadcom/bgmac.c
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+++ b/drivers/net/ethernet/broadcom/bgmac.c
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@@ -178,6 +178,7 @@ static void bgmac_dma_tx_free(struct bgm
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struct device *dma_dev = bgmac->core->dma_dev;
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int empty_slot;
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bool freed = false;
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+ unsigned bytes_compl = 0, pkts_compl = 0;
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/* The last slot that hardware didn't consume yet */
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empty_slot = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_STATUS);
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@@ -195,6 +196,9 @@ static void bgmac_dma_tx_free(struct bgm
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slot->skb->len, DMA_TO_DEVICE);
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slot->dma_addr = 0;
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+ bytes_compl += slot->skb->len;
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+ pkts_compl++;
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+
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/* Free memory! :) */
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dev_kfree_skb(slot->skb);
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slot->skb = NULL;
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@@ -208,6 +212,8 @@ static void bgmac_dma_tx_free(struct bgm
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freed = true;
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}
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+ netdev_completed_queue(bgmac->net_dev, pkts_compl, bytes_compl);
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+
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if (freed && netif_queue_stopped(bgmac->net_dev))
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netif_wake_queue(bgmac->net_dev);
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}
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@@ -987,6 +993,8 @@ static void bgmac_chip_reset(struct bgma
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bgmac_set(bgmac, BGMAC_PHY_CNTL, BGMAC_PC_MTE);
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bgmac_miiconfig(bgmac);
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bgmac_phy_init(bgmac);
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+
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+ netdev_reset_queue(bgmac->net_dev);
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bgmac->int_status = 0;
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}
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@@ -1198,6 +1206,8 @@ static netdev_tx_t bgmac_start_xmit(stru
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struct bgmac *bgmac = netdev_priv(net_dev);
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struct bgmac_dma_ring *ring;
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+ netdev_sent_queue(net_dev, skb->len);
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+
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/* No QOS support yet */
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ring = &bgmac->tx_ring[0];
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return bgmac_dma_tx_add(bgmac, ring, skb);
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