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authorHauke Mehrtens <hauke@hauke-m.de>2013-02-16 14:38:17 +0000
committerHauke Mehrtens <hauke@hauke-m.de>2013-02-16 14:38:17 +0000
commit283bff02a2d715dd3f1cd80f7aa536d77beebc87 (patch)
tree9e3586aa39d0122cabcfcbca132f83f5b23e000c
parent99782943d2ae0b23494c373f4bd6de866da6eb1a (diff)
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brcm47xx: bgmac: fix unaligned accesses to network headers.
SVN-Revision: 35621
-rw-r--r--target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch68
1 files changed, 60 insertions, 8 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 9a971e0..bfabaee 100644
--- a/target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch
+++ b/target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch
@@ -1,6 +1,50 @@
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
-@@ -761,6 +761,26 @@ static void bgmac_cmdcfg_maskset(struct
+@@ -301,8 +301,9 @@ 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);
+ 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
+ * PHY ops
+ **************************************************/
+
+-u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg)
++static u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg)
+ {
+ struct bcma_device *core;
+ u16 phy_access_addr;
+@@ -584,7 +585,7 @@ u16 bgmac_phy_read(struct bgmac *bgmac,
+ }
+
+ /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphywr */
+-void bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value)
++static int bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value)
+ {
+ struct bcma_device *core;
+ u16 phy_access_addr;
+@@ -617,9 +618,13 @@ void bgmac_phy_write(struct bgmac *bgmac
+ tmp |= value;
+ bcma_write32(core, phy_access_addr, tmp);
+
+- if (!bgmac_wait_value(core, phy_access_addr, BGMAC_PA_START, 0, 1000))
++ if (!bgmac_wait_value(core, phy_access_addr, BGMAC_PA_START, 0, 1000)) {
+ bgmac_err(bgmac, "Writing to PHY %d register 0x%X failed\n",
+ phyaddr, reg);
++ return -ETIMEDOUT;
++ }
++
++ return 0;
+ }
+
+ /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyforce */
+@@ -761,6 +766,26 @@ static void bgmac_cmdcfg_maskset(struct
udelay(2);
}
@@ -27,7 +71,7 @@
#if 0 /* We don't use that regs yet */
static void bgmac_chip_stats_update(struct bgmac *bgmac)
{
-@@ -889,8 +909,10 @@ static void bgmac_chip_reset(struct bgma
+@@ -889,8 +914,10 @@ 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;
@@ -40,7 +84,7 @@
}
bcma_chipco_chipctl_maskset(cc, 1,
~(BGMAC_CHIPCTL_1_IF_TYPE_MASK |
-@@ -948,6 +970,7 @@ static void bgmac_chip_intrs_on(struct b
+@@ -948,6 +975,7 @@ static void bgmac_chip_intrs_on(struct b
static void bgmac_chip_intrs_off(struct bgmac *bgmac)
{
bgmac_write(bgmac, BGMAC_INT_MASK, 0);
@@ -48,7 +92,7 @@
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_enable */
-@@ -1004,8 +1027,6 @@ static void bgmac_enable(struct bgmac *b
+@@ -1004,8 +1032,6 @@ static void bgmac_enable(struct bgmac *b
static void bgmac_chip_init(struct bgmac *bgmac, bool full_init)
{
struct bgmac_dma_ring *ring;
@@ -57,7 +101,7 @@
int i;
/* 1 interrupt per received frame */
-@@ -1014,21 +1035,14 @@ static void bgmac_chip_init(struct bgmac
+@@ -1014,21 +1040,14 @@ 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);
@@ -83,7 +127,7 @@
bgmac_write(bgmac, BGMAC_RXMAX_LENGTH, 32 + ETHER_MAX_LEN);
-@@ -1160,6 +1174,19 @@ static netdev_tx_t bgmac_start_xmit(stru
+@@ -1160,6 +1179,19 @@ static netdev_tx_t bgmac_start_xmit(stru
return bgmac_dma_tx_add(bgmac, ring, skb);
}
@@ -103,7 +147,7 @@
static int bgmac_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd)
{
struct bgmac *bgmac = netdev_priv(net_dev);
-@@ -1190,7 +1217,9 @@ static const struct net_device_ops bgmac
+@@ -1190,7 +1222,9 @@ static const struct net_device_ops bgmac
.ndo_open = bgmac_open,
.ndo_stop = bgmac_stop,
.ndo_start_xmit = bgmac_start_xmit,
@@ -114,7 +158,7 @@
.ndo_do_ioctl = bgmac_ioctl,
};
-@@ -1290,6 +1319,12 @@ static int bgmac_probe(struct bcma_devic
+@@ -1290,6 +1324,12 @@ static int bgmac_probe(struct bcma_devic
return -ENOTSUPP;
}
@@ -138,3 +182,11 @@
#define BGMAC_CHIPCTL_1_RXC_DLL_BYPASS 0x00010000
#define BGMAC_SPEED_10 0x0001
+@@ -450,7 +450,4 @@ static inline void bgmac_set(struct bgma
+ bgmac_maskset(bgmac, offset, ~0, set);
+ }
+
+-u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg);
+-void bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value);
+-
+ #endif /* _BGMAC_H */