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kernel: rewrite the phy packet hook, put it in the network stack to avoid having to keep non-upstream ethernet driver changes

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31637 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Felix Fietkau
2012-05-06 21:19:14 +00:00
parent c7667e1b88
commit f20d1938b5
37 changed files with 414 additions and 444 deletions
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1
target/linux/atheros/config-3.3
View File

@@ -34,6 +34,7 @@ CONFIG_CSRC_R4K_LIB=y
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DMA_NONCOHERENT=y
CONFIG_EARLY_PRINTK=y
CONFIG_ETHERNET_PACKET_MANGLE=y
CONFIG_GENERIC_ATOMIC64=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y

9
target/linux/atheros/patches-3.3/110-ar2313_ethernet.patch
View File

@@ -32,7 +32,7 @@
+obj-$(CONFIG_NET_VENDOR_AR231X) += ar231x.o
--- /dev/null
+++ b/drivers/net/ethernet/ar231x/ar231x.c
@@ -0,0 +1,1282 @@
@@ -0,0 +1,1279 @@
+/*
+ * ar231x.c: Linux driver for the Atheros AR231x Ethernet device.
+ *
@@ -784,7 +784,7 @@
+ if (sp->rx_skb[idx])
+ break;
+
+ skb = netdev_alloc_skb(dev, AR2313_BUFSIZE);
+ skb = netdev_alloc_skb_ip_align(dev, AR2313_BUFSIZE);
+ if (!skb) {
+ printk("\n\n\n\n %s: No memory in system\n\n\n\n",
+ __FUNCTION__);
@@ -795,7 +795,6 @@
+ * Make sure IP header starts on a fresh cache line.
+ */
+ skb->dev = dev;
+ skb_reserve(skb, RX_OFFSET);
+ sp->rx_skb[idx] = skb;
+
+ rd = (ar231x_descr_t *) & sp->rx_ring[idx];
@@ -867,7 +866,7 @@
+
+ } else {
+ /* alloc new buffer. */
+ skb_new = netdev_alloc_skb(dev, AR2313_BUFSIZE + RX_OFFSET);
+ skb_new = netdev_alloc_skb_ip_align(dev, AR2313_BUFSIZE);
+ if (skb_new != NULL) {
+
+ skb = sp->rx_skb[idx];
@@ -881,8 +880,6 @@
+ netif_rx(skb);
+
+ skb_new->dev = dev;
+ /* 16 bit align */
+ skb_reserve(skb_new, RX_OFFSET);
+ /* reset descriptor's curr_addr */
+ rxdesc->addr = virt_to_phys(skb_new->data);
+

70
target/linux/atheros/patches-3.3/200-ar2313_enable_mvswitch.patch
View File

@@ -1,70 +0,0 @@
--- a/drivers/net/ethernet/ar231x/ar231x.c
+++ b/drivers/net/ethernet/ar231x/ar231x.c
@@ -745,6 +745,7 @@ static void ar231x_load_rx_ring(struct n
for (i = 0; i < nr_bufs; i++) {
struct sk_buff *skb;
ar231x_descr_t *rd;
+ int offset = RX_OFFSET;
if (sp->rx_skb[idx])
break;
@@ -760,7 +761,9 @@ static void ar231x_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 = (ar231x_descr_t *) & sp->rx_ring[idx];
@@ -834,20 +837,23 @@ static int ar231x_rx_int(struct net_devi
/* alloc new buffer. */
skb_new = netdev_alloc_skb(dev, AR2313_BUFSIZE + RX_OFFSET);
if (skb_new != NULL) {
+ int offset;
skb = sp->rx_skb[idx];
/* set skb */
skb_put(skb,
((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
-
dev->stats.rx_bytes += skb->len;
- skb->protocol = eth_type_trans(skb, dev);
- /* pass the packet to upper layers */
- netif_rx(skb);
+ /* pass the packet to upper layers */
+ sp->rx(skb);
skb_new->dev = dev;
+
/* 16 bit align */
- skb_reserve(skb_new, RX_OFFSET);
+ offset = RX_OFFSET;
+ 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);
@@ -1258,6 +1264,8 @@ static int ar231x_mdiobus_probe (struct
return PTR_ERR(phydev);
}
+ sp->rx = phydev->netif_rx;
+
/* mask with MAC supported features */
phydev->supported &= (SUPPORTED_10baseT_Half
| SUPPORTED_10baseT_Full
--- a/drivers/net/ethernet/ar231x/ar231x.h
+++ b/drivers/net/ethernet/ar231x/ar231x.h
@@ -222,6 +222,8 @@ typedef struct {
*/
struct ar231x_private {
struct net_device *dev;
+ int (*rx)(struct sk_buff *skb);
+
int version;
u32 mb[2];

16
target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch
View File

@@ -43,21 +43,7 @@
kfree(dev);
return 0;
}
@@ -846,7 +864,12 @@ static int ar231x_rx_int(struct net_devi
dev->stats.rx_bytes += skb->len;
/* pass the packet to upper layers */
- sp->rx(skb);
+ if (sp->rx) {
+ sp->rx(skb);
+ } else {
+ skb->protocol = eth_type_trans(skb, skb->dev);
+ netif_rx(skb);
+ }
skb_new->dev = dev;
/* 16 bit align */
@@ -1142,6 +1165,9 @@ static int ar231x_ioctl(struct net_devic
@@ -1133,6 +1151,9 @@ static int ar231x_ioctl(struct net_devic
struct ar231x_private *sp = netdev_priv(dev);
int ret;