xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

igb: transition driver to only using advanced descriptors

Browse Source 
Currently the driver uses advanced descriptors for its main functionality,
but then uses legacy when testing.  This patch changes this so that
advanced descriptors are used throughout and all mentions of legacy
descriptors are removed.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck
2009-02-16 00:00:20 -08:00
committed by David S. Miller
parent cbd347adfe
commit 85e8d004ec
4 changed files with 32 additions and 166 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/igb/igb_main.c
View File

@@ -994,7 +994,7 @@ void igb_reset(struct igb_adapter *adapter)
/* the tx fifo also stores 16 bytes of information about the tx
* but don't include ethernet FCS because hardware appends it */
min_tx_space = (adapter->max_frame_size +
sizeof(struct e1000_tx_desc) -
sizeof(union e1000_adv_tx_desc) -
ETH_FCS_LEN) * 2;
min_tx_space = ALIGN(min_tx_space, 1024);
min_tx_space >>= 10;
@@ -1704,7 +1704,7 @@ int igb_setup_tx_resources(struct igb_adapter *adapter,
memset(tx_ring->buffer_info, 0, size);
/* round up to nearest 4K */
tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
tx_ring->size = ALIGN(tx_ring->size, 4096);
tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size,
@@ -1773,7 +1773,7 @@ static void igb_configure_tx(struct igb_adapter *adapter)
struct igb_ring *ring = &adapter->tx_ring[i];
j = ring->reg_idx;
wr32(E1000_TDLEN(j),
ring->count * sizeof(struct e1000_tx_desc));
ring->count * sizeof(union e1000_adv_tx_desc));
tdba = ring->dma;
wr32(E1000_TDBAL(j),
tdba & 0x00000000ffffffffULL);