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improve routing/nat performance for devices using the marvell 88e6060 switch 

SVN-Revision: 13060
owl
Felix Fietkau 2008-10-28 17:54:22 +00:00
parent 3166a61946
commit d1b986bd54
5 changed files with 89 additions and 10 deletions
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42
target/linux/atheros/patches-2.6.26/200-ar2313_enable_mvswitch.patch
View File

@ -1,6 +1,33 @@
--- a/drivers/net/ar2313/ar2313.c
+++ b/drivers/net/ar2313/ar2313.c
@@ -953,9 +953,9 @@
@@ -834,6 +834,7 @@ static void ar2313_load_rx_ring(struct n
for (i = 0; i < nr_bufs; i++) {
struct sk_buff *skb;
ar2313_descr_t *rd;
+ int offset = RX_OFFSET;
if (sp->rx_skb[idx]) {
#if DEBUG_RX
@@ -855,7 +856,9 @@ static void ar2313_load_rx_ring(struct n
* Make sure IP header starts on a fresh cache line.
*/
skb->dev = dev;
- skb_reserve(skb, RX_OFFSET);
+ if (sp->phy_dev)
+ offset += sp->phy_dev->pkt_align;
+ skb_reserve(skb, offset);
sp->rx_skb[idx] = skb;
rd = (ar2313_descr_t *) & sp->rx_ring[idx];
@@ -946,6 +949,7 @@ static int ar2313_rx_int(struct net_devi
/* alloc new buffer. */
skb_new = dev_alloc_skb(AR2313_BUFSIZE + RX_OFFSET + 128);
if (skb_new != NULL) {
+ int offset;
skb = sp->rx_skb[idx];
/* set skb */
@@ -953,13 +957,17 @@ static int ar2313_rx_int(struct net_devi
((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
dev->stats.rx_bytes += skb->len;
@ -11,8 +38,17 @@
+ sp->rx(skb);
skb_new->dev = dev;
+
/* 16 bit align */
@@ -1370,6 +1370,8 @@
- skb_reserve(skb_new, RX_OFFSET + 32);
+ offset = RX_OFFSET + 32;
+ if (sp->phy_dev)
+ offset += sp->phy_dev->pkt_align;
+ skb_reserve(skb_new, offset);
/* reset descriptor's curr_addr */
rxdesc->addr = virt_to_phys(skb_new->data);
@@ -1370,6 +1378,8 @@ static int mdiobus_probe (struct net_dev
return PTR_ERR(phydev);
}
@ -23,7 +59,7 @@
| SUPPORTED_10baseT_Full
--- a/drivers/net/ar2313/ar2313.h
+++ b/drivers/net/ar2313/ar2313.h
@@ -107,6 +107,8 @@
@@ -107,6 +107,8 @@ typedef struct {
*/
struct ar2313_private {
struct net_device *dev;

40
target/linux/atheros/patches-2.6.27/200-ar2313_enable_mvswitch.patch
View File

@ -1,6 +1,33 @@
--- a/drivers/net/ar2313/ar2313.c
+++ b/drivers/net/ar2313/ar2313.c
@@ -953,9 +953,9 @@ static int ar2313_rx_int(struct net_devi
@@ -834,6 +834,7 @@ static void ar2313_load_rx_ring(struct n
for (i = 0; i < nr_bufs; i++) {
struct sk_buff *skb;
ar2313_descr_t *rd;
+ int offset = RX_OFFSET;
if (sp->rx_skb[idx]) {
#if DEBUG_RX
@@ -855,7 +856,9 @@ static void ar2313_load_rx_ring(struct n
* Make sure IP header starts on a fresh cache line.
*/
skb->dev = dev;
- skb_reserve(skb, RX_OFFSET);
+ if (sp->phy_dev)
+ offset += sp->phy_dev->pkt_align;
+ skb_reserve(skb, offset);
sp->rx_skb[idx] = skb;
rd = (ar2313_descr_t *) & sp->rx_ring[idx];
@@ -946,6 +949,7 @@ static int ar2313_rx_int(struct net_devi
/* alloc new buffer. */
skb_new = dev_alloc_skb(AR2313_BUFSIZE + RX_OFFSET + 128);
if (skb_new != NULL) {
+ int offset;
skb = sp->rx_skb[idx];
/* set skb */
@@ -953,13 +957,17 @@ static int ar2313_rx_int(struct net_devi
((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
dev->stats.rx_bytes += skb->len;
@ -11,8 +38,17 @@
+ sp->rx(skb);
skb_new->dev = dev;
+
/* 16 bit align */
@@ -1370,6 +1370,8 @@ static int mdiobus_probe (struct net_dev
- skb_reserve(skb_new, RX_OFFSET + 32);
+ offset = RX_OFFSET + 32;
+ if (sp->phy_dev)
+ offset += sp->phy_dev->pkt_align;
+ skb_reserve(skb_new, offset);
/* reset descriptor's curr_addr */
rxdesc->addr = virt_to_phys(skb_new->data);
@@ -1370,6 +1378,8 @@ static int mdiobus_probe (struct net_dev
return PTR_ERR(phydev);
}

1
target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c
View File

@ -338,6 +338,7 @@ mvswitch_config_init(struct phy_device *pdev)
);
/* hook into the tx function */
pdev->pkt_align = 2;
priv->hardstart = dev->hard_start_xmit;
pdev->netif_receive_skb = mvswitch_netif_receive_skb;
pdev->netif_rx = mvswitch_netif_rx;

5
target/linux/generic-2.6/patches-2.6.26/630-phy_packets.patch
View File

@ -30,7 +30,7 @@
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -309,6 +309,17 @@
@@ -309,6 +309,20 @@
void (*adjust_link)(struct net_device *dev);
void (*adjust_state)(struct net_device *dev);
@ -45,6 +45,9 @@
+ */
+ int (*netif_receive_skb)(struct sk_buff *skb);
+ int (*netif_rx)(struct sk_buff *skb);
+
+ /* alignment offset for packets */
+ int pkt_align;
};
#define to_phy_device(d) container_of(d, struct phy_device, dev)

11
target/linux/generic-2.6/patches-2.6.27/630-phy_packets.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -143,6 +143,18 @@ int phy_scan_fixups(struct phy_device *p
@@ -143,6 +143,18 @@
}
EXPORT_SYMBOL(phy_scan_fixups);
@ -19,7 +19,7 @@
struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id)
{
struct phy_device *dev;
@@ -168,6 +180,8 @@ struct phy_device* phy_device_create(str
@@ -168,6 +180,8 @@
dev->bus = bus;
dev->state = PHY_DOWN;
@ -30,7 +30,7 @@
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -309,6 +309,17 @@ struct phy_device {
@@ -309,6 +309,20 @@
void (*adjust_link)(struct net_device *dev);
void (*adjust_state)(struct net_device *dev);
@ -45,12 +45,15 @@
+ */
+ int (*netif_receive_skb)(struct sk_buff *skb);
+ int (*netif_rx)(struct sk_buff *skb);
+
+ /* alignment offset for packets */
+ int pkt_align;
};
#define to_phy_device(d) container_of(d, struct phy_device, dev)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -613,6 +613,7 @@ struct net_device
@@ -613,6 +613,7 @@
void *ax25_ptr; /* AX.25 specific data */
struct wireless_dev *ieee80211_ptr; /* IEEE 802.11 specific data,
assign before registering */