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authorAlexander Duyck <alexander.h.duyck@intel.com>2013-02-09 01:19:55 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2013-04-17 21:31:09 -0700
commit7f66162b6272a31c5b3966869b5d4c2c58d8077a (patch)
tree610c8a2ac6242c3c1db6440edbd01b4a9e0d6fdc
parentd01115752f5e37b2c79280d60c0e8e19267a0cc9 (diff)
downloadlinux-7f66162b6272a31c5b3966869b5d4c2c58d8077a.tar.bz2
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>
-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;