diff options
| author | Olof Johansson <olof@lixom.net> | 2007-08-22 09:12:52 -0500 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:50:56 -0700 |
| commit | c0efd52b8b1951c20878208fdcbab0468f816804 (patch) | |
| tree | c63af72481bda8c84f6771650bb8d992e17126cf | |
| parent | b6e05a1b67a4b2e122d78a3f0b7ec7c779bd903c (diff) | |
| download | blackbird-op-linux-c0efd52b8b1951c20878208fdcbab0468f816804.tar.gz blackbird-op-linux-c0efd52b8b1951c20878208fdcbab0468f816804.zip | |
pasemi_mac: Enable L2 caching of packet headers
Enable settings to target l2 for the first few cachelines of the packet, since
we'll access them to get to the various headers.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/net/pasemi_mac.c | 5 | ||||
| -rw-r--r-- | drivers/net/pasemi_mac.h | 8 |
2 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c index be311e9404b4..46d5c0eef784 100644 --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -206,7 +206,7 @@ static int pasemi_mac_setup_rx_resources(struct net_device *dev) PAS_DMA_RXCHAN_BASEU_SIZ(RX_RING_SIZE >> 2)); write_dma_reg(mac, PAS_DMA_RXCHAN_CFG(chan_id), - PAS_DMA_RXCHAN_CFG_HBU(1)); + PAS_DMA_RXCHAN_CFG_HBU(2)); write_dma_reg(mac, PAS_DMA_RXINT_BASEL(mac->dma_if), PAS_DMA_RXINT_BASEL_BRBL(__pa(ring->buffers))); @@ -215,6 +215,9 @@ static int pasemi_mac_setup_rx_resources(struct net_device *dev) PAS_DMA_RXINT_BASEU_BRBH(__pa(ring->buffers) >> 32) | PAS_DMA_RXINT_BASEU_SIZ(RX_RING_SIZE >> 3)); + write_dma_reg(mac, PAS_DMA_RXINT_CFG(mac->dma_if), + PAS_DMA_RXINT_CFG_DHL(2)); + ring->next_to_fill = 0; ring->next_to_clean = 0; diff --git a/drivers/net/pasemi_mac.h b/drivers/net/pasemi_mac.h index ef443640c768..fbbc17a31db7 100644 --- a/drivers/net/pasemi_mac.h +++ b/drivers/net/pasemi_mac.h @@ -219,6 +219,14 @@ enum { #define PAS_DMA_RXINT_RCMDSTA_ACT 0x00010000 #define PAS_DMA_RXINT_RCMDSTA_DROPS_M 0xfffe0000 #define PAS_DMA_RXINT_RCMDSTA_DROPS_S 17 +#define PAS_DMA_RXINT_CFG(i) (0x204+(i)*_PAS_DMA_RXINT_STRIDE) +#define PAS_DMA_RXINT_CFG_DHL_M 0x07000000 +#define PAS_DMA_RXINT_CFG_DHL_S 24 +#define PAS_DMA_RXINT_CFG_DHL(x) (((x) << PAS_DMA_RXINT_CFG_DHL_S) & \ + PAS_DMA_RXINT_CFG_DHL_M) +#define PAS_DMA_RXINT_CFG_WIF 0x00000002 +#define PAS_DMA_RXINT_CFG_WIL 0x00000001 + #define PAS_DMA_RXINT_INCR(i) (0x210+(i)*_PAS_DMA_RXINT_STRIDE) #define PAS_DMA_RXINT_INCR_INCR_M 0x0000ffff #define PAS_DMA_RXINT_INCR_INCR_S 0 |
