diff options
| author |   françois romieu <romieu@fr.zoreil.com> | 2015-05-01 22:14:42 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-05-04 00:18:26 -0400 |
| commit | 62ca1ba020ee01fa23092c09fa197e7984c5dc88 (patch) | |
| tree | c305c27558c01f94af445ee0652666e0e3f2538b /drivers/net/ethernet/via | |
| parent | via-rhine: forbid holes in the receive descriptor ring. (diff) | |
| download | linux-dev-62ca1ba020ee01fa23092c09fa197e7984c5dc88.tar.xz linux-dev-62ca1ba020ee01fa23092c09fa197e7984c5dc88.zip | |
via-rhine: kiss rx_head_desc goodbye.
The driver no longer produces holes in its receive ring so rx_head_desc
only duplicates cur_rx.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/via')
| -rw-r--r-- | drivers/net/ethernet/via/via-rhine.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index 8d322bb3b7c0..fede9fce7e75 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -472,7 +472,6 @@ struct rhine_private { /* Frequently used values: keep some adjacent for cache effect. */ u32 quirks; - struct rx_desc *rx_head_desc; unsigned int cur_rx; unsigned int cur_tx, dirty_tx; unsigned int rx_buf_sz; /* Based on MTU+slack. */ @@ -1244,7 +1243,6 @@ static void rhine_reset_rbufs(struct rhine_private *rp) int i; rp->cur_rx = 0; - rp->rx_head_desc = rp->rx_ring; for (i = 0; i < RX_RING_SIZE; i++) rp->rx_ring[i].rx_status = cpu_to_le32(DescOwn); @@ -2000,15 +1998,15 @@ static int rhine_rx(struct net_device *dev, int limit) { struct rhine_private *rp = netdev_priv(dev); struct device *hwdev = dev->dev.parent; - int count; int entry = rp->cur_rx % RX_RING_SIZE; + int count; netif_dbg(rp, rx_status, dev, "%s(), entry %d status %08x\n", __func__, - entry, le32_to_cpu(rp->rx_head_desc->rx_status)); + entry, le32_to_cpu(rp->rx_ring[entry].rx_status)); /* If EOP is set on the next entry, it's a new packet. Send it up. */ for (count = 0; count < limit; ++count) { - struct rx_desc *desc = rp->rx_head_desc; + struct rx_desc *desc = rp->rx_ring + entry; u32 desc_status = le32_to_cpu(desc->rx_status); u32 desc_length = le32_to_cpu(desc->desc_length); int data_size = desc_status >> 16; @@ -2026,10 +2024,6 @@ static int rhine_rx(struct net_device *dev, int limit) "entry %#x length %d status %08x!\n", entry, data_size, desc_status); - netdev_warn(dev, - "Oversized Ethernet frame %p vs %p\n", - rp->rx_head_desc, - &rp->rx_ring[entry]); dev->stats.rx_length_errors++; } else if (desc_status & RxErr) { /* There was a error. */ @@ -2110,7 +2104,6 @@ static int rhine_rx(struct net_device *dev, int limit) give_descriptor_to_nic: desc->rx_status = cpu_to_le32(DescOwn); entry = (++rp->cur_rx) % RX_RING_SIZE; - rp->rx_head_desc = &rp->rx_ring[entry]; } return count; |