diff options
Diffstat (limited to 'target/linux/rb532/patches/240-via_rhine_performance.patch')
| -rw-r--r-- | target/linux/rb532/patches/240-via_rhine_performance.patch | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/target/linux/rb532/patches/240-via_rhine_performance.patch b/target/linux/rb532/patches/240-via_rhine_performance.patch deleted file mode 100644 index d82b6f705..000000000 --- a/target/linux/rb532/patches/240-via_rhine_performance.patch +++ /dev/null @@ -1,100 +0,0 @@ -Index: linux-2.6.23.17/drivers/net/via-rhine.c -=================================================================== ---- linux-2.6.23.17.orig/drivers/net/via-rhine.c -+++ linux-2.6.23.17/drivers/net/via-rhine.c -@@ -33,6 +33,8 @@ - #define DRV_VERSION "1.4.3" - #define DRV_RELDATE "2007-03-06" - -+#define PKT_ALIGN 1 -+ - - /* A few user-configurable values. - These may be modified when a driver module is loaded. */ -@@ -40,6 +42,7 @@ - static int debug = 1; /* 1 normal messages, 0 quiet .. 7 verbose. */ - static int max_interrupt_work = 20; - -+#ifndef PKT_ALIGN - /* Set the copy breakpoint for the copy-only-tiny-frames scheme. - Setting to > 1518 effectively disables this feature. */ - #if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \ -@@ -49,6 +52,7 @@ static int rx_copybreak = 1518; - #else - static int rx_copybreak; - #endif -+#endif /* PKT_ALIGN */ - - /* Work-around for broken BIOSes: they are unable to get the chip back out of - power state D3 so PXE booting fails. bootparam(7): via-rhine.avoid_D3=1 */ -@@ -111,6 +115,7 @@ static const int multicast_filter_limit - #include <asm/io.h> - #include <asm/irq.h> - #include <asm/uaccess.h> -+#include <asm/unaligned.h> - #include <linux/dmi.h> - - /* These identify the driver base version and may not be removed. */ -@@ -130,12 +135,14 @@ MODULE_LICENSE("GPL"); - - module_param(max_interrupt_work, int, 0); - module_param(debug, int, 0); --module_param(rx_copybreak, int, 0); - module_param(avoid_D3, bool, 0); - MODULE_PARM_DESC(max_interrupt_work, "VIA Rhine maximum events handled per interrupt"); - MODULE_PARM_DESC(debug, "VIA Rhine debug level (0-7)"); --MODULE_PARM_DESC(rx_copybreak, "VIA Rhine copy breakpoint for copy-only-tiny-frames"); - MODULE_PARM_DESC(avoid_D3, "Avoid power state D3 (work-around for broken BIOSes)"); -+#ifndef PKT_ALIGN -+module_param(rx_copybreak, int, 0); -+MODULE_PARM_DESC(rx_copybreak, "VIA Rhine copy breakpoint for copy-only-tiny-frames"); -+#endif - - /* - Theory of Operation -@@ -927,7 +934,7 @@ static void alloc_rbufs(struct net_devic - - /* Fill in the Rx buffers. Handle allocation failure gracefully. */ - for (i = 0; i < RX_RING_SIZE; i++) { -- struct sk_buff *skb = dev_alloc_skb(rp->rx_buf_sz); -+ struct sk_buff *skb = dev_alloc_skb(rp->rx_buf_sz + 4); - rp->rx_skbuff[i] = skb; - if (skb == NULL) - break; -@@ -1484,7 +1491,9 @@ static int rhine_rx(struct net_device *d - struct sk_buff *skb; - /* Length should omit the CRC */ - int pkt_len = data_size - 4; -- -+#ifdef PKT_ALIGN -+ int i; -+#else - /* Check if the packet is long enough to accept without - copying to a minimally-sized skbuff. */ - if (pkt_len < rx_copybreak && -@@ -1503,7 +1512,9 @@ static int rhine_rx(struct net_device *d - rp->rx_skbuff_dma[entry], - rp->rx_buf_sz, - PCI_DMA_FROMDEVICE); -- } else { -+ } else -+#endif -+ { - skb = rp->rx_skbuff[entry]; - if (skb == NULL) { - printk(KERN_ERR "%s: Inconsistent Rx " -@@ -1517,6 +1528,14 @@ static int rhine_rx(struct net_device *d - rp->rx_skbuff_dma[entry], - rp->rx_buf_sz, - PCI_DMA_FROMDEVICE); -+#ifdef PKT_ALIGN -+ /* align the data to the ip header - should be faster than copying the entire packet */ -+ for (i = pkt_len - (pkt_len % 4); i >= 0; i -= 4) { -+ put_unaligned(*((u32 *) (skb->data + i)), (u32 *) (skb->data + i + 2)); -+ } -+ skb->data += 2; -+ skb->tail += 2; -+#endif - } - skb->protocol = eth_type_trans(skb, dev); - #ifdef CONFIG_VIA_RHINE_NAPI |