summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet
diff options
context:
space:
mode:
authorAlexander Duyck <alexander.h.duyck@intel.com>2013-02-09 05:19:55 +0400
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2013-04-18 08:31:09 +0400
commit7f66162b6272a31c5b3966869b5d4c2c58d8077a (patch)
tree610c8a2ac6242c3c1db6440edbd01b4a9e0d6fdc /drivers/net/ethernet
parentd01115752f5e37b2c79280d60c0e8e19267a0cc9 (diff)
downloadlinux-7f66162b6272a31c5b3966869b5d4c2c58d8077a.tar.xz
ixgbe: Drop check for PAGE_SIZE from ixgbe_xmit_frame_ring
The check for PAGE_SIZE is pointless now that the default configuration is to allocate 32K for all buffers. Since the Tx descriptor limit is 16K we can just drop the check and always compare the descriptors to the maximum size supported. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index d473a7c0c297..0e7f0dd14d5f 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -6425,9 +6425,7 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
struct ixgbe_tx_buffer *first;
int tso;
u32 tx_flags = 0;
-#if PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD
unsigned short f;
-#endif
u16 count = TXD_USE_COUNT(skb_headlen(skb));
__be16 protocol = skb->protocol;
u8 hdr_len = 0;
@@ -6439,12 +6437,9 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
* + 1 desc for context descriptor,
* otherwise try next time
*/
-#if PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD
for (f = 0; f < skb_shinfo(skb)->nr_frags; f++)
count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size);
-#else
- count += skb_shinfo(skb)->nr_frags;
-#endif
+
if (ixgbe_maybe_stop_tx(tx_ring, count + 3)) {
tx_ring->tx_stats.tx_busy++;
return NETDEV_TX_BUSY;