[git patches] net driver fixes

From: Jeff Garzik
Date: Fri Mar 28 2008 - 22:24:04 EST


Fixes for net-2.6.

Please pull from 'upstream-davem' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6.git upstream-davem

to receive the following updates:

drivers/net/Kconfig | 2 +-
drivers/net/bfin_mac.c | 2 --
drivers/net/forcedeth.c | 18 ++++++++++--------
drivers/net/ibm_newemac/core.c | 4 ++--
drivers/net/s2io.c | 2 +-
drivers/net/tulip/eeprom.c | 6 ++++++
drivers/net/tulip/tulip_core.c | 7 ++++++-
drivers/net/usb/Kconfig | 2 +-
drivers/net/usb/dm9601.c | 2 +-
drivers/net/usb/pegasus.c | 4 ----
10 files changed, 28 insertions(+), 21 deletions(-)

David Brownell (1):
drivers/net/usb/pegasus.c: remove in_atomic() check

Grant Grundler (1):
[netdrvr] tulip_read_eeprom fixes for BUG 4420

Ingo Molnar (1):
forcedeth: fix locking bug with netconsole

Michael Ellerman (1):
Make pasemi_mac.c depend on PPC_PASEMI to prevent link errors

Mike Frysinger (2):
Blackfin EMAC Driver: delete unused variables to fixup gcc warnings
usb net: asix does not really need 10/100mbit

Peter Korsgaard (1):
dm9601: Fix multicast hash table handling

Sreenivasa Honnur (1):
S2io: Version update for Tx completion patch

Valentine Barshak (1):
ibm_newemac: emac_tx_csum typo fix

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index fe7b5ec..3a0b20a 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2635,7 +2635,7 @@ config NIU

config PASEMI_MAC
tristate "PA Semi 1/10Gbit MAC"
- depends on PPC64 && PCI
+ depends on PPC_PASEMI && PCI
select PHYLIB
select INET_LRO
help
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index c993a32..26b2dd5 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -575,7 +575,6 @@ adjust_head:
static int bf537mac_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- struct bf537mac_local *lp = netdev_priv(dev);
unsigned int data;

current_tx_ptr->skb = skb;
@@ -634,7 +633,6 @@ out:
static void bf537mac_rx(struct net_device *dev)
{
struct sk_buff *skb, *new_skb;
- struct bf537mac_local *lp = netdev_priv(dev);
unsigned short len;

/* allocate a new skb for next time receive */
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 6f7e3fd..980c2c2 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -1854,6 +1854,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct ring_desc* start_tx;
struct ring_desc* prev_tx;
struct nv_skb_map* prev_tx_ctx;
+ unsigned long flags;

/* add fragments to entries count */
for (i = 0; i < fragments; i++) {
@@ -1863,10 +1864,10 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)

empty_slots = nv_get_empty_tx_slots(np);
if (unlikely(empty_slots <= entries)) {
- spin_lock_irq(&np->lock);
+ spin_lock_irqsave(&np->lock, flags);
netif_stop_queue(dev);
np->tx_stop = 1;
- spin_unlock_irq(&np->lock);
+ spin_unlock_irqrestore(&np->lock, flags);
return NETDEV_TX_BUSY;
}

@@ -1929,13 +1930,13 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
tx_flags_extra = skb->ip_summed == CHECKSUM_PARTIAL ?
NV_TX2_CHECKSUM_L3 | NV_TX2_CHECKSUM_L4 : 0;

- spin_lock_irq(&np->lock);
+ spin_lock_irqsave(&np->lock, flags);

/* set tx flags */
start_tx->flaglen |= cpu_to_le32(tx_flags | tx_flags_extra);
np->put_tx.orig = put_tx;

- spin_unlock_irq(&np->lock);
+ spin_unlock_irqrestore(&np->lock, flags);

dprintk(KERN_DEBUG "%s: nv_start_xmit: entries %d queued for transmission. tx_flags_extra: %x\n",
dev->name, entries, tx_flags_extra);
@@ -1971,6 +1972,7 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev)
struct ring_desc_ex* prev_tx;
struct nv_skb_map* prev_tx_ctx;
struct nv_skb_map* start_tx_ctx;
+ unsigned long flags;

/* add fragments to entries count */
for (i = 0; i < fragments; i++) {
@@ -1980,10 +1982,10 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev)

empty_slots = nv_get_empty_tx_slots(np);
if (unlikely(empty_slots <= entries)) {
- spin_lock_irq(&np->lock);
+ spin_lock_irqsave(&np->lock, flags);
netif_stop_queue(dev);
np->tx_stop = 1;
- spin_unlock_irq(&np->lock);
+ spin_unlock_irqrestore(&np->lock, flags);
return NETDEV_TX_BUSY;
}

@@ -2059,7 +2061,7 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev)
start_tx->txvlan = 0;
}

- spin_lock_irq(&np->lock);
+ spin_lock_irqsave(&np->lock, flags);

if (np->tx_limit) {
/* Limit the number of outstanding tx. Setup all fragments, but
@@ -2085,7 +2087,7 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev)
start_tx->flaglen |= cpu_to_le32(tx_flags | tx_flags_extra);
np->put_tx.ex = put_tx;

- spin_unlock_irq(&np->lock);
+ spin_unlock_irqrestore(&np->lock, flags);

dprintk(KERN_DEBUG "%s: nv_start_xmit_optimized: entries %d queued for transmission. tx_flags_extra: %x\n",
dev->name, entries, tx_flags_extra);
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 0789802..378a239 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -1242,8 +1242,8 @@ static int emac_close(struct net_device *ndev)
static inline u16 emac_tx_csum(struct emac_instance *dev,
struct sk_buff *skb)
{
- if (emac_has_feature(dev, EMAC_FTR_HAS_TAH &&
- skb->ip_summed == CHECKSUM_PARTIAL)) {
+ if (emac_has_feature(dev, EMAC_FTR_HAS_TAH) &&
+ (skb->ip_summed == CHECKSUM_PARTIAL)) {
++dev->stats.tx_packets_csum;
return EMAC_TX_CTRL_TAH_CSUM;
}
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 3c915b8..c082cf0 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -84,7 +84,7 @@
#include "s2io.h"
#include "s2io-regs.h"

-#define DRV_VERSION "2.0.26.15-2"
+#define DRV_VERSION "2.0.26.20"

/* S2io Driver name & version. */
static char s2io_driver_name[] = "Neterion";
diff --git a/drivers/net/tulip/eeprom.c b/drivers/net/tulip/eeprom.c
index 206918b..da2206f 100644
--- a/drivers/net/tulip/eeprom.c
+++ b/drivers/net/tulip/eeprom.c
@@ -343,6 +343,12 @@ int __devinit tulip_read_eeprom(struct net_device *dev, int location, int addr_l
void __iomem *ee_addr = tp->base_addr + CSR9;
int read_cmd = location | (EE_READ_CMD << addr_len);

+ /* If location is past the end of what we can address, don't
+ * read some other location (ie truncate). Just return zero.
+ */
+ if (location > (1 << addr_len) - 1)
+ return 0;
+
iowrite32(EE_ENB & ~EE_CS, ee_addr);
iowrite32(EE_ENB, ee_addr);

diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index ed600bf..82f404b 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -1437,6 +1437,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
EEPROM.
*/
ee_data = tp->eeprom;
+ memset(ee_data, 0, sizeof(tp->eeprom));
sum = 0;
if (chip_idx == LC82C168) {
for (i = 0; i < 3; i++) {
@@ -1458,8 +1459,12 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
/* A serial EEPROM interface, we read now and sort it out later. */
int sa_offset = 0;
int ee_addr_size = tulip_read_eeprom(dev, 0xff, 8) & 0x40000 ? 8 : 6;
+ int ee_max_addr = ((1 << ee_addr_size) - 1) * sizeof(u16);

- for (i = 0; i < sizeof(tp->eeprom); i+=2) {
+ if (ee_max_addr > sizeof(tp->eeprom))
+ ee_max_addr = sizeof(tp->eeprom);
+
+ for (i = 0; i < ee_max_addr ; i += sizeof(u16)) {
u16 data = tulip_read_eeprom(dev, i/2, ee_addr_size);
ee_data[i] = data & 0xff;
ee_data[i + 1] = data >> 8;
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index a12c9c4..0604f3f 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -129,7 +129,7 @@ config USB_USBNET

config USB_NET_AX8817X
tristate "ASIX AX88xxx Based USB 2.0 Ethernet Adapters"
- depends on USB_USBNET && NET_ETHERNET
+ depends on USB_USBNET
select CRC32
default y
help
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index 0343b00..01660f6 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -354,7 +354,7 @@ static void dm9601_set_multicast(struct net_device *net)
struct dev_mc_list *mc_list = net->mc_list;
int i;

- for (i = 0; i < net->mc_count; i++) {
+ for (i = 0; i < net->mc_count; i++, mc_list = mc_list->next) {
u32 crc = ether_crc(ETH_ALEN, mc_list->dmi_addr) >> 26;
hashes[crc >> 3] |= 1 << (crc & 0x7);
}
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index d1ed68a..b588c89 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -1128,12 +1128,8 @@ pegasus_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
{
pegasus_t *pegasus;

- if (in_atomic())
- return 0;
-
pegasus = netdev_priv(dev);
mii_ethtool_gset(&pegasus->mii, ecmd);
-
return 0;
}

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