[git patches] net driver fixes

From: Jeff Garzik
Date: Sat Jan 28 2006 - 16:42:58 EST



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

to receive the following updates:

arch/ppc/syslib/mv64x60.c | 4 -
drivers/net/acenic.c | 4 +
drivers/net/b44.c | 5 +
drivers/net/bonding/bond_main.c | 2
drivers/net/mv643xx_eth.c | 108 ++++++++++++++++----------------------
drivers/net/s2io.c | 2
drivers/net/wireless/orinoco_cs.c | 4 -
include/net/ieee80211.h | 4 -
net/ieee80211/ieee80211_rx.c | 22 +++++--
net/ieee80211/ieee80211_wx.c | 12 +++-
10 files changed, 89 insertions(+), 78 deletions(-)

Ananda Raju:
s2io: scatter-gather fix

Dale Farnsworth:
mv643xx_eth: Fix spinlock recursion bug
mv643xx_eth: Whitespace cleanup
mv643xx_eth: Fix for building as a module

Eric Sesterhenn:
bonding: fix ->get_settings error checking
acenic: fix checking of read_eeprom_byte() return values

Paolo Galtieri:
mv643xx_eth: Update dev->last_rx on packet receive

Stephen Hemminger:
b44: fix laptop carrier detect

Valdis.Kletnieks@xxxxxx:
orinoco_cs: tweak Vcc debugging messages

Zhu Yi:
ieee80211: Fix problem with not decrypting broadcast packets
ieee80211: Fix iwlist scan can only show about 20 APs
ieee80211: Fix A band min and max channel definitions

diff --git a/arch/ppc/syslib/mv64x60.c b/arch/ppc/syslib/mv64x60.c
index 94ea346..1f01b7e 100644
--- a/arch/ppc/syslib/mv64x60.c
+++ b/arch/ppc/syslib/mv64x60.c
@@ -313,7 +313,7 @@ static struct platform_device mpsc1_devi
};
#endif

-#ifdef CONFIG_MV643XX_ETH
+#if defined(CONFIG_MV643XX_ETH) || defined(CONFIG_MV643XX_ETH_MODULE)
static struct resource mv64x60_eth_shared_resources[] = {
[0] = {
.name = "ethernet shared base",
@@ -456,7 +456,7 @@ static struct platform_device *mv64x60_p
&mpsc0_device,
&mpsc1_device,
#endif
-#ifdef CONFIG_MV643XX_ETH
+#if defined(CONFIG_MV643XX_ETH) || defined(CONFIG_MV643XX_ETH_MODULE)
&mv64x60_eth_shared_device,
#endif
#ifdef CONFIG_MV643XX_ETH_0
diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c
index b8953de..b508812 100644
--- a/drivers/net/acenic.c
+++ b/drivers/net/acenic.c
@@ -1002,6 +1002,8 @@ static int __devinit ace_init(struct net

mac1 = 0;
for(i = 0; i < 4; i++) {
+ int tmp;
+
mac1 = mac1 << 8;
tmp = read_eeprom_byte(dev, 0x8c+i);
if (tmp < 0) {
@@ -1012,6 +1014,8 @@ static int __devinit ace_init(struct net
}
mac2 = 0;
for(i = 4; i < 8; i++) {
+ int tmp;
+
mac2 = mac2 << 8;
tmp = read_eeprom_byte(dev, 0x8c+i);
if (tmp < 0) {
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index df9d6e8..c3267e4 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -1399,7 +1399,6 @@ static int b44_open(struct net_device *d
b44_init_rings(bp);
b44_init_hw(bp);

- netif_carrier_off(dev);
b44_check_phy(bp);

err = request_irq(dev->irq, b44_interrupt, SA_SHIRQ, dev->name, dev);
@@ -1464,7 +1463,7 @@ static int b44_close(struct net_device *
#endif
b44_halt(bp);
b44_free_rings(bp);
- netif_carrier_off(bp->dev);
+ netif_carrier_off(dev);

spin_unlock_irq(&bp->lock);

@@ -2000,6 +1999,8 @@ static int __devinit b44_init_one(struct
dev->irq = pdev->irq;
SET_ETHTOOL_OPS(dev, &b44_ethtool_ops);

+ netif_carrier_off(dev);
+
err = b44_get_invariants(bp);
if (err) {
printk(KERN_ERR PFX "Problem fetching invariants of chip, "
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 2582d98..4ff006c 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -576,7 +576,7 @@ static int bond_update_speed_duplex(stru
slave->duplex = DUPLEX_FULL;

if (slave_dev->ethtool_ops) {
- u32 res;
+ int res;

if (!slave_dev->ethtool_ops->get_settings) {
return -1;
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 40ae36b..7ef4b04 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -444,6 +444,7 @@ static int mv643xx_eth_receive_queue(str
netif_rx(skb);
#endif
}
+ dev->last_rx = jiffies;
}

return received_packets;
@@ -461,7 +462,7 @@ static int mv643xx_eth_receive_queue(str
*/

static irqreturn_t mv643xx_eth_int_handler(int irq, void *dev_id,
- struct pt_regs *regs)
+ struct pt_regs *regs)
{
struct net_device *dev = (struct net_device *)dev_id;
struct mv643xx_private *mp = netdev_priv(dev);
@@ -1047,16 +1048,15 @@ static int mv643xx_poll(struct net_devic

static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb)
{
- unsigned int frag;
- skb_frag_t *fragp;
+ unsigned int frag;
+ skb_frag_t *fragp;

- for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
- fragp = &skb_shinfo(skb)->frags[frag];
- if (fragp->size <= 8 && fragp->page_offset & 0x7)
- return 1;
-
- }
- return 0;
+ for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
+ fragp = &skb_shinfo(skb)->frags[frag];
+ if (fragp->size <= 8 && fragp->page_offset & 0x7)
+ return 1;
+ }
+ return 0;
}


@@ -2137,26 +2137,26 @@ static void eth_port_set_multicast_list(
*/
if ((dev->flags & IFF_PROMISC) || (dev->flags & IFF_ALLMULTI)) {
for (table_index = 0; table_index <= 0xFC; table_index += 4) {
- /* Set all entries in DA filter special multicast
- * table (Ex_dFSMT)
- * Set for ETH_Q0 for now
- * Bits
- * 0 Accept=1, Drop=0
- * 3-1 Queue ETH_Q0=0
- * 7-4 Reserved = 0;
- */
- mv_write(MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101);
-
- /* Set all entries in DA filter other multicast
- * table (Ex_dFOMT)
- * Set for ETH_Q0 for now
- * Bits
- * 0 Accept=1, Drop=0
- * 3-1 Queue ETH_Q0=0
- * 7-4 Reserved = 0;
- */
- mv_write(MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101);
- }
+ /* Set all entries in DA filter special multicast
+ * table (Ex_dFSMT)
+ * Set for ETH_Q0 for now
+ * Bits
+ * 0 Accept=1, Drop=0
+ * 3-1 Queue ETH_Q0=0
+ * 7-4 Reserved = 0;
+ */
+ mv_write(MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101);
+
+ /* Set all entries in DA filter other multicast
+ * table (Ex_dFOMT)
+ * Set for ETH_Q0 for now
+ * Bits
+ * 0 Accept=1, Drop=0
+ * 3-1 Queue ETH_Q0=0
+ * 7-4 Reserved = 0;
+ */
+ mv_write(MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101);
+ }
return;
}

@@ -2617,7 +2617,6 @@ static ETH_FUNC_RET_STATUS eth_port_send
struct eth_tx_desc *current_descriptor;
struct eth_tx_desc *first_descriptor;
u32 command;
- unsigned long flags;

/* Do not process Tx ring in case of Tx ring resource error */
if (mp->tx_resource_err)
@@ -2634,8 +2633,6 @@ static ETH_FUNC_RET_STATUS eth_port_send
return ETH_ERROR;
}

- spin_lock_irqsave(&mp->lock, flags);
-
mp->tx_ring_skbs++;
BUG_ON(mp->tx_ring_skbs > mp->tx_ring_size);

@@ -2685,15 +2682,11 @@ static ETH_FUNC_RET_STATUS eth_port_send
mp->tx_resource_err = 1;
mp->tx_curr_desc_q = tx_first_desc;

- spin_unlock_irqrestore(&mp->lock, flags);
-
return ETH_QUEUE_LAST_RESOURCE;
}

mp->tx_curr_desc_q = tx_next_desc;

- spin_unlock_irqrestore(&mp->lock, flags);
-
return ETH_OK;
}
#else
@@ -2704,14 +2697,11 @@ static ETH_FUNC_RET_STATUS eth_port_send
int tx_desc_used;
struct eth_tx_desc *current_descriptor;
unsigned int command_status;
- unsigned long flags;

/* Do not process Tx ring in case of Tx ring resource error */
if (mp->tx_resource_err)
return ETH_QUEUE_FULL;

- spin_lock_irqsave(&mp->lock, flags);
-
mp->tx_ring_skbs++;
BUG_ON(mp->tx_ring_skbs > mp->tx_ring_size);

@@ -2742,12 +2732,9 @@ static ETH_FUNC_RET_STATUS eth_port_send
/* Check for ring index overlap in the Tx desc ring */
if (tx_desc_curr == tx_desc_used) {
mp->tx_resource_err = 1;
-
- spin_unlock_irqrestore(&mp->lock, flags);
return ETH_QUEUE_LAST_RESOURCE;
}

- spin_unlock_irqrestore(&mp->lock, flags);
return ETH_OK;
}
#endif
@@ -2898,8 +2885,10 @@ static ETH_FUNC_RET_STATUS eth_port_rece
p_pkt_info->return_info = mp->rx_skb[rx_curr_desc];
p_pkt_info->l4i_chk = p_rx_desc->buf_size;

- /* Clean the return info field to indicate that the packet has been */
- /* moved to the upper layers */
+ /*
+ * Clean the return info field to indicate that the
+ * packet has been moved to the upper layers
+ */
mp->rx_skb[rx_curr_desc] = NULL;

/* Update current index in data structure */
@@ -2980,7 +2969,7 @@ struct mv643xx_stats {
};

#define MV643XX_STAT(m) sizeof(((struct mv643xx_private *)0)->m), \
- offsetof(struct mv643xx_private, m)
+ offsetof(struct mv643xx_private, m)

static const struct mv643xx_stats mv643xx_gstrings_stats[] = {
{ "rx_packets", MV643XX_STAT(stats.rx_packets) },
@@ -3131,9 +3120,8 @@ mv643xx_get_settings(struct net_device *
return 0;
}

-static void
-mv643xx_get_drvinfo(struct net_device *netdev,
- struct ethtool_drvinfo *drvinfo)
+static void mv643xx_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
{
strncpy(drvinfo->driver, mv643xx_driver_name, 32);
strncpy(drvinfo->version, mv643xx_driver_version, 32);
@@ -3142,39 +3130,37 @@ mv643xx_get_drvinfo(struct net_device *n
drvinfo->n_stats = MV643XX_STATS_LEN;
}

-static int
-mv643xx_get_stats_count(struct net_device *netdev)
+static int mv643xx_get_stats_count(struct net_device *netdev)
{
return MV643XX_STATS_LEN;
}

-static void
-mv643xx_get_ethtool_stats(struct net_device *netdev,
- struct ethtool_stats *stats, uint64_t *data)
+static void mv643xx_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, uint64_t *data)
{
struct mv643xx_private *mp = netdev->priv;
int i;

eth_update_mib_counters(mp);

- for(i = 0; i < MV643XX_STATS_LEN; i++) {
+ for (i = 0; i < MV643XX_STATS_LEN; i++) {
char *p = (char *)mp+mv643xx_gstrings_stats[i].stat_offset;
- data[i] = (mv643xx_gstrings_stats[i].sizeof_stat ==
+ data[i] = (mv643xx_gstrings_stats[i].sizeof_stat ==
sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
}
}

-static void
-mv643xx_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
+static void mv643xx_get_strings(struct net_device *netdev, uint32_t stringset,
+ uint8_t *data)
{
int i;

switch(stringset) {
case ETH_SS_STATS:
for (i=0; i < MV643XX_STATS_LEN; i++) {
- memcpy(data + i * ETH_GSTRING_LEN,
- mv643xx_gstrings_stats[i].stat_string,
- ETH_GSTRING_LEN);
+ memcpy(data + i * ETH_GSTRING_LEN,
+ mv643xx_gstrings_stats[i].stat_string,
+ ETH_GSTRING_LEN);
}
break;
}
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 89c4678..49b597c 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -3586,7 +3586,7 @@ static int s2io_xmit(struct sk_buff *skb
txdp->Buffer_Pointer = (u64) pci_map_page
(sp->pdev, frag->page, frag->page_offset,
frag->size, PCI_DMA_TODEVICE);
- txdp->Control_1 |= TXD_BUFFER0_SIZE(frag->size);
+ txdp->Control_1 = TXD_BUFFER0_SIZE(frag->size);
if (skb_shinfo(skb)->ufo_size)
txdp->Control_1 |= TXD_UFO_EN;
}
diff --git a/drivers/net/wireless/orinoco_cs.c b/drivers/net/wireless/orinoco_cs.c
index b664708..3c128b6 100644
--- a/drivers/net/wireless/orinoco_cs.c
+++ b/drivers/net/wireless/orinoco_cs.c
@@ -261,13 +261,13 @@ orinoco_cs_config(dev_link_t *link)
/* Note that the CIS values need to be rescaled */
if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) {
- DEBUG(2, "orinoco_cs_config: Vcc mismatch (conf.Vcc = %d, CIS = %d)\n", conf.Vcc, cfg->vcc.param[CISTPL_POWER_VNOM] / 10000);
+ DEBUG(2, "orinoco_cs_config: Vcc mismatch (conf.Vcc = %d, cfg CIS = %d)\n", conf.Vcc, cfg->vcc.param[CISTPL_POWER_VNOM] / 10000);
if (!ignore_cis_vcc)
goto next_entry;
}
} else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] / 10000) {
- DEBUG(2, "orinoco_cs_config: Vcc mismatch (conf.Vcc = %d, CIS = %d)\n", conf.Vcc, dflt.vcc.param[CISTPL_POWER_VNOM] / 10000);
+ DEBUG(2, "orinoco_cs_config: Vcc mismatch (conf.Vcc = %d, dflt CIS = %d)\n", conf.Vcc, dflt.vcc.param[CISTPL_POWER_VNOM] / 10000);
if(!ignore_cis_vcc)
goto next_entry;
}
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index df05f46..9a92aef 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -803,9 +803,9 @@ enum ieee80211_state {
#define IEEE80211_24GHZ_MAX_CHANNEL 14
#define IEEE80211_24GHZ_CHANNELS 14

-#define IEEE80211_52GHZ_MIN_CHANNEL 36
+#define IEEE80211_52GHZ_MIN_CHANNEL 34
#define IEEE80211_52GHZ_MAX_CHANNEL 165
-#define IEEE80211_52GHZ_CHANNELS 32
+#define IEEE80211_52GHZ_CHANNELS 131

enum {
IEEE80211_CH_PASSIVE_ONLY = (1 << 0),
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 7a12180..695d047 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -350,6 +350,7 @@ int ieee80211_rx(struct ieee80211_device
u8 src[ETH_ALEN];
struct ieee80211_crypt_data *crypt = NULL;
int keyidx = 0;
+ int can_be_decrypted = 0;

hdr = (struct ieee80211_hdr_4addr *)skb->data;
stats = &ieee->stats;
@@ -410,12 +411,23 @@ int ieee80211_rx(struct ieee80211_device
return 1;
}

- if (is_multicast_ether_addr(hdr->addr1)
- ? ieee->host_mc_decrypt : ieee->host_decrypt) {
+ can_be_decrypted = (is_multicast_ether_addr(hdr->addr1) ||
+ is_broadcast_ether_addr(hdr->addr2)) ?
+ ieee->host_mc_decrypt : ieee->host_decrypt;
+
+ if (can_be_decrypted) {
int idx = 0;
- if (skb->len >= hdrlen + 3)
+ if (skb->len >= hdrlen + 3) {
+ /* Top two-bits of byte 3 are the key index */
idx = skb->data[hdrlen + 3] >> 6;
+ }
+
+ /* ieee->crypt[] is WEP_KEY (4) in length. Given that idx
+ * is only allowed 2-bits of storage, no value of idx can
+ * be provided via above code that would result in idx
+ * being out of range */
crypt = ieee->crypt[idx];
+
#ifdef NOT_YET
sta = NULL;

@@ -553,7 +565,7 @@ int ieee80211_rx(struct ieee80211_device

/* skb: hdr + (possibly fragmented, possibly encrypted) payload */

- if (ieee->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) &&
+ if ((fc & IEEE80211_FCTL_PROTECTED) && can_be_decrypted &&
(keyidx = ieee80211_rx_frame_decrypt(ieee, skb, crypt)) < 0)
goto rx_dropped;

@@ -617,7 +629,7 @@ int ieee80211_rx(struct ieee80211_device

/* skb: hdr + (possible reassembled) full MSDU payload; possibly still
* encrypted/authenticated */
- if (ieee->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) &&
+ if ((fc & IEEE80211_FCTL_PROTECTED) && can_be_decrypted &&
ieee80211_rx_frame_decrypt_msdu(ieee, skb, keyidx, crypt))
goto rx_dropped;

diff --git a/net/ieee80211/ieee80211_wx.c b/net/ieee80211/ieee80211_wx.c
index 23e1630..f87c6b8 100644
--- a/net/ieee80211/ieee80211_wx.c
+++ b/net/ieee80211/ieee80211_wx.c
@@ -232,15 +232,18 @@ static char *ipw2100_translate_scan(stru
return start;
}

+#define SCAN_ITEM_SIZE 128
+
int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct ieee80211_network *network;
unsigned long flags;
+ int err = 0;

char *ev = extra;
- char *stop = ev + IW_SCAN_MAX_DATA;
+ char *stop = ev + wrqu->data.length;
int i = 0;

IEEE80211_DEBUG_WX("Getting scan\n");
@@ -249,6 +252,11 @@ int ieee80211_wx_get_scan(struct ieee802

list_for_each_entry(network, &ieee->network_list, list) {
i++;
+ if (stop - ev < SCAN_ITEM_SIZE) {
+ err = -E2BIG;
+ break;
+ }
+
if (ieee->scan_age == 0 ||
time_after(network->last_scanned + ieee->scan_age, jiffies))
ev = ipw2100_translate_scan(ieee, ev, stop, network);
@@ -270,7 +278,7 @@ int ieee80211_wx_get_scan(struct ieee802

IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);

- return 0;
+ return err;
}

int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
-
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