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Diffstat (limited to 'target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch83
1 files changed, 68 insertions, 15 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch b/target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch
index bfabaee..225c677 100644
--- a/target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch
+++ b/target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch
@@ -1,17 +1,70 @@
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
-@@ -301,8 +301,9 @@ static int bgmac_dma_rx_read(struct bgma
+@@ -301,7 +301,7 @@ static int bgmac_dma_rx_read(struct bgma
bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
ring->start);
} else {
- new_skb = netdev_alloc_skb(bgmac->net_dev, len);
-+ new_skb = netdev_alloc_skb(bgmac->net_dev, len + 2);
++ new_skb = netdev_alloc_skb_ip_align(bgmac->net_dev, len);
if (new_skb) {
-+ skb_reserve(new_skb, 2);
skb_put(new_skb, len);
skb_copy_from_linear_data_offset(skb, BGMAC_RX_FRAME_OFFSET,
- new_skb->data,
-@@ -535,7 +536,7 @@ static void bgmac_dma_init(struct bgmac
+@@ -436,6 +436,8 @@ static int bgmac_dma_alloc(struct bgmac
+ }
+
+ for (i = 0; i < BGMAC_MAX_RX_RINGS; i++) {
++ int j;
++
+ ring = &bgmac->rx_ring[i];
+ ring->num_slots = BGMAC_RX_RING_SLOTS;
+ ring->mmio_base = ring_base[i];
+@@ -458,8 +460,8 @@ static int bgmac_dma_alloc(struct bgmac
+ bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
+
+ /* Alloc RX slots */
+- for (i = 0; i < ring->num_slots; i++) {
+- err = bgmac_dma_rx_skb_for_slot(bgmac, &ring->slots[i]);
++ for (j = 0; j < ring->num_slots; j++) {
++ err = bgmac_dma_rx_skb_for_slot(bgmac, &ring->slots[j]);
+ if (err) {
+ bgmac_err(bgmac, "Can't allocate skb for slot in RX ring\n");
+ goto err_dma_free;
+@@ -496,6 +498,8 @@ static void bgmac_dma_init(struct bgmac
+ }
+
+ for (i = 0; i < BGMAC_MAX_RX_RINGS; i++) {
++ int j;
++
+ ring = &bgmac->rx_ring[i];
+
+ /* We don't implement unaligned addressing, so enable first */
+@@ -505,11 +509,11 @@ static void bgmac_dma_init(struct bgmac
+ bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_RINGHI,
+ upper_32_bits(ring->dma_base));
+
+- for (i = 0, dma_desc = ring->cpu_base; i < ring->num_slots;
+- i++, dma_desc++) {
++ for (j = 0, dma_desc = ring->cpu_base; j < ring->num_slots;
++ j++, dma_desc++) {
+ ctl0 = ctl1 = 0;
+
+- if (i == ring->num_slots - 1)
++ if (j == ring->num_slots - 1)
+ ctl0 |= BGMAC_DESC_CTL0_EOT;
+ ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
+ /* Is there any BGMAC device that requires extension? */
+@@ -517,8 +521,8 @@ static void bgmac_dma_init(struct bgmac
+ * B43_DMA64_DCTL1_ADDREXT_MASK;
+ */
+
+- dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[i].dma_addr));
+- dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[i].dma_addr));
++ dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[j].dma_addr));
++ dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[j].dma_addr));
+ dma_desc->ctl0 = cpu_to_le32(ctl0);
+ dma_desc->ctl1 = cpu_to_le32(ctl1);
+ }
+@@ -535,7 +539,7 @@ static void bgmac_dma_init(struct bgmac
* PHY ops
**************************************************/
@@ -20,7 +73,7 @@
{
struct bcma_device *core;
u16 phy_access_addr;
-@@ -584,7 +585,7 @@ u16 bgmac_phy_read(struct bgmac *bgmac,
+@@ -584,7 +588,7 @@ u16 bgmac_phy_read(struct bgmac *bgmac,
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphywr */
@@ -29,7 +82,7 @@
{
struct bcma_device *core;
u16 phy_access_addr;
-@@ -617,9 +618,13 @@ void bgmac_phy_write(struct bgmac *bgmac
+@@ -617,9 +621,13 @@ void bgmac_phy_write(struct bgmac *bgmac
tmp |= value;
bcma_write32(core, phy_access_addr, tmp);
@@ -44,7 +97,7 @@
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyforce */
-@@ -761,6 +766,26 @@ static void bgmac_cmdcfg_maskset(struct
+@@ -761,6 +769,26 @@ static void bgmac_cmdcfg_maskset(struct
udelay(2);
}
@@ -71,7 +124,7 @@
#if 0 /* We don't use that regs yet */
static void bgmac_chip_stats_update(struct bgmac *bgmac)
{
-@@ -889,8 +914,10 @@ static void bgmac_chip_reset(struct bgma
+@@ -889,8 +917,10 @@ static void bgmac_chip_reset(struct bgma
sw_type = et_swtype;
} else if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == 9) {
sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII;
@@ -84,7 +137,7 @@
}
bcma_chipco_chipctl_maskset(cc, 1,
~(BGMAC_CHIPCTL_1_IF_TYPE_MASK |
-@@ -948,6 +975,7 @@ static void bgmac_chip_intrs_on(struct b
+@@ -948,6 +978,7 @@ static void bgmac_chip_intrs_on(struct b
static void bgmac_chip_intrs_off(struct bgmac *bgmac)
{
bgmac_write(bgmac, BGMAC_INT_MASK, 0);
@@ -92,7 +145,7 @@
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_enable */
-@@ -1004,8 +1032,6 @@ static void bgmac_enable(struct bgmac *b
+@@ -1004,8 +1035,6 @@ static void bgmac_enable(struct bgmac *b
static void bgmac_chip_init(struct bgmac *bgmac, bool full_init)
{
struct bgmac_dma_ring *ring;
@@ -101,7 +154,7 @@
int i;
/* 1 interrupt per received frame */
-@@ -1014,21 +1040,14 @@ static void bgmac_chip_init(struct bgmac
+@@ -1014,21 +1043,14 @@ static void bgmac_chip_init(struct bgmac
/* Enable 802.3x tx flow control (honor received PAUSE frames) */
bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_RPI, 0, true);
@@ -127,7 +180,7 @@
bgmac_write(bgmac, BGMAC_RXMAX_LENGTH, 32 + ETHER_MAX_LEN);
-@@ -1160,6 +1179,19 @@ static netdev_tx_t bgmac_start_xmit(stru
+@@ -1160,6 +1182,19 @@ static netdev_tx_t bgmac_start_xmit(stru
return bgmac_dma_tx_add(bgmac, ring, skb);
}
@@ -147,7 +200,7 @@
static int bgmac_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd)
{
struct bgmac *bgmac = netdev_priv(net_dev);
-@@ -1190,7 +1222,9 @@ static const struct net_device_ops bgmac
+@@ -1190,7 +1225,9 @@ static const struct net_device_ops bgmac
.ndo_open = bgmac_open,
.ndo_stop = bgmac_stop,
.ndo_start_xmit = bgmac_start_xmit,
@@ -158,7 +211,7 @@
.ndo_do_ioctl = bgmac_ioctl,
};
-@@ -1290,6 +1324,12 @@ static int bgmac_probe(struct bcma_devic
+@@ -1290,6 +1327,12 @@ static int bgmac_probe(struct bcma_devic
return -ENOTSUPP;
}