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Message-ID: <20080704125422.GA30282@havoc.gtf.org>
Date: Fri, 4 Jul 2008 08:54:22 -0400
From: Jeff Garzik <jeff@...zik.org>
To: David Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: [git patches] net driver fixes for .26
Please pull from 'davem-fixes' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6.git davem-fixes
to receive the following updates:
drivers/net/ehea/ehea.h | 8 ++++--
drivers/net/ehea/ehea_main.c | 42 +++++++++++++++++++++++----------------
drivers/net/forcedeth.c | 15 ++++++++++++-
drivers/net/fs_enet/mac-fcc.c | 3 ++
drivers/net/ibm_newemac/core.c | 8 +++++++
drivers/net/pasemi_mac.c | 2 +-
drivers/net/wan/hdlc_fr.c | 1 +
7 files changed, 56 insertions(+), 23 deletions(-)
Jan-Bernd Themann (3):
ehea: fix might sleep problem
ehea: add MODULE_DEVICE_TABLE
ehea: fix race condition
Krzysztof Halasa (1):
Add missing skb->dev assignment in Frame Relay RX code
Laurent Pinchart (1):
fs_enet: restore promiscuous and multicast settings in restart()
Roland Dreier (2):
ehea: Access iph->tot_len with correct endianness
pasemi_mac: Access iph->tot_len with correct endianness
Sathya Narayanan (2):
ibm_newemac: Fixes kernel crashes when speed of cable connected changes
ibm_newemac: Fixes entry of short packets
Tobias Diedrich (1):
forcedeth: fix lockdep warning on ethtool -s
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index fe872fb..e01926b 100644
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -40,7 +40,7 @@
#include <asm/io.h>
#define DRV_NAME "ehea"
-#define DRV_VERSION "EHEA_0091"
+#define DRV_VERSION "EHEA_0092"
/* eHEA capability flags */
#define DLPAR_PORT_ADD_REM 1
@@ -452,7 +452,7 @@ struct ehea_bcmc_reg_entry {
struct ehea_bcmc_reg_array {
struct ehea_bcmc_reg_entry *arr;
int num_entries;
- struct mutex lock;
+ spinlock_t lock;
};
#define EHEA_PORT_UP 1
@@ -478,6 +478,7 @@ struct ehea_port {
int num_add_tx_qps;
int num_mcs;
int resets;
+ u64 flags;
u64 mac_addr;
u32 logical_port_id;
u32 port_speed;
@@ -501,7 +502,8 @@ struct port_res_cfg {
};
enum ehea_flag_bits {
- __EHEA_STOP_XFER
+ __EHEA_STOP_XFER,
+ __EHEA_DISABLE_PORT_RESET
};
void ehea_set_ethtool_ops(struct net_device *netdev);
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 075fd54..0920b79 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -118,6 +118,7 @@ static struct of_device_id ehea_device_table[] = {
},
{},
};
+MODULE_DEVICE_TABLE(of, ehea_device_table);
static struct of_platform_driver ehea_driver = {
.name = "ehea",
@@ -137,6 +138,12 @@ void ehea_dump(void *adr, int len, char *msg)
}
}
+void ehea_schedule_port_reset(struct ehea_port *port)
+{
+ if (!test_bit(__EHEA_DISABLE_PORT_RESET, &port->flags))
+ schedule_work(&port->reset_task);
+}
+
static void ehea_update_firmware_handles(void)
{
struct ehea_fw_handle_entry *arr = NULL;
@@ -241,7 +248,7 @@ static void ehea_update_bcmc_registrations(void)
}
if (num_registrations) {
- arr = kzalloc(num_registrations * sizeof(*arr), GFP_KERNEL);
+ arr = kzalloc(num_registrations * sizeof(*arr), GFP_ATOMIC);
if (!arr)
return; /* Keep the existing array */
} else
@@ -301,7 +308,7 @@ static struct net_device_stats *ehea_get_stats(struct net_device *dev)
memset(stats, 0, sizeof(*stats));
- cb2 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+ cb2 = kzalloc(PAGE_SIZE, GFP_ATOMIC);
if (!cb2) {
ehea_error("no mem for cb2");
goto out;
@@ -587,7 +594,7 @@ static int ehea_treat_poll_error(struct ehea_port_res *pr, int rq,
"Resetting port.", pr->qp->init_attr.qp_nr);
ehea_dump(cqe, sizeof(*cqe), "CQE");
}
- schedule_work(&pr->port->reset_task);
+ ehea_schedule_port_reset(pr->port);
return 1;
}
@@ -616,7 +623,7 @@ static int get_skb_hdr(struct sk_buff *skb, void **iphdr,
*tcph = tcp_hdr(skb);
/* check if ip header and tcp header are complete */
- if (iph->tot_len < ip_len + tcp_hdrlen(skb))
+ if (ntohs(iph->tot_len) < ip_len + tcp_hdrlen(skb))
return -1;
*hdr_flags = LRO_IPV4 | LRO_TCP;
@@ -765,7 +772,7 @@ static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota)
ehea_error("Send Completion Error: Resetting port");
if (netif_msg_tx_err(pr->port))
ehea_dump(cqe, sizeof(*cqe), "Send CQE");
- schedule_work(&pr->port->reset_task);
+ ehea_schedule_port_reset(pr->port);
break;
}
@@ -885,7 +892,7 @@ static irqreturn_t ehea_qp_aff_irq_handler(int irq, void *param)
eqe = ehea_poll_eq(port->qp_eq);
}
- schedule_work(&port->reset_task);
+ ehea_schedule_port_reset(port);
return IRQ_HANDLED;
}
@@ -1763,7 +1770,7 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa)
memcpy(dev->dev_addr, mac_addr->sa_data, dev->addr_len);
- mutex_lock(&ehea_bcmc_regs.lock);
+ spin_lock(&ehea_bcmc_regs.lock);
/* Deregister old MAC in pHYP */
if (port->state == EHEA_PORT_UP) {
@@ -1785,7 +1792,7 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa)
out_upregs:
ehea_update_bcmc_registrations();
- mutex_unlock(&ehea_bcmc_regs.lock);
+ spin_unlock(&ehea_bcmc_regs.lock);
out_free:
kfree(cb0);
out:
@@ -1947,7 +1954,7 @@ static void ehea_set_multicast_list(struct net_device *dev)
}
ehea_promiscuous(dev, 0);
- mutex_lock(&ehea_bcmc_regs.lock);
+ spin_lock(&ehea_bcmc_regs.lock);
if (dev->flags & IFF_ALLMULTI) {
ehea_allmulti(dev, 1);
@@ -1978,7 +1985,7 @@ static void ehea_set_multicast_list(struct net_device *dev)
}
out:
ehea_update_bcmc_registrations();
- mutex_unlock(&ehea_bcmc_regs.lock);
+ spin_unlock(&ehea_bcmc_regs.lock);
return;
}
@@ -2497,7 +2504,7 @@ static int ehea_up(struct net_device *dev)
}
}
- mutex_lock(&ehea_bcmc_regs.lock);
+ spin_lock(&ehea_bcmc_regs.lock);
ret = ehea_broadcast_reg_helper(port, H_REG_BCMC);
if (ret) {
@@ -2520,7 +2527,7 @@ out:
ehea_info("Failed starting %s. ret=%i", dev->name, ret);
ehea_update_bcmc_registrations();
- mutex_unlock(&ehea_bcmc_regs.lock);
+ spin_unlock(&ehea_bcmc_regs.lock);
ehea_update_firmware_handles();
mutex_unlock(&ehea_fw_handles.lock);
@@ -2575,7 +2582,7 @@ static int ehea_down(struct net_device *dev)
mutex_lock(&ehea_fw_handles.lock);
- mutex_lock(&ehea_bcmc_regs.lock);
+ spin_lock(&ehea_bcmc_regs.lock);
ehea_drop_multicast_list(dev);
ehea_broadcast_reg_helper(port, H_DEREG_BCMC);
@@ -2584,7 +2591,7 @@ static int ehea_down(struct net_device *dev)
port->state = EHEA_PORT_DOWN;
ehea_update_bcmc_registrations();
- mutex_unlock(&ehea_bcmc_regs.lock);
+ spin_unlock(&ehea_bcmc_regs.lock);
ret = ehea_clean_all_portres(port);
if (ret)
@@ -2605,13 +2612,14 @@ static int ehea_stop(struct net_device *dev)
if (netif_msg_ifdown(port))
ehea_info("disabling port %s", dev->name);
+ set_bit(__EHEA_DISABLE_PORT_RESET, &port->flags);
cancel_work_sync(&port->reset_task);
-
mutex_lock(&port->port_lock);
netif_stop_queue(dev);
port_napi_disable(port);
ret = ehea_down(dev);
mutex_unlock(&port->port_lock);
+ clear_bit(__EHEA_DISABLE_PORT_RESET, &port->flags);
return ret;
}
@@ -2941,7 +2949,7 @@ static void ehea_tx_watchdog(struct net_device *dev)
if (netif_carrier_ok(dev) &&
!test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))
- schedule_work(&port->reset_task);
+ ehea_schedule_port_reset(port);
}
int ehea_sense_adapter_attr(struct ehea_adapter *adapter)
@@ -3590,7 +3598,7 @@ int __init ehea_module_init(void)
memset(&ehea_bcmc_regs, 0, sizeof(ehea_bcmc_regs));
mutex_init(&ehea_fw_handles.lock);
- mutex_init(&ehea_bcmc_regs.lock);
+ spin_lock_init(&ehea_bcmc_regs.lock);
ret = check_module_parm();
if (ret)
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 2cb2447..20d4fe9 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -4194,12 +4194,23 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
netif_carrier_off(dev);
if (netif_running(dev)) {
+ unsigned long flags;
+
nv_disable_irq(dev);
netif_tx_lock_bh(dev);
- spin_lock(&np->lock);
+ /* with plain spinlock lockdep complains */
+ spin_lock_irqsave(&np->lock, flags);
/* stop engines */
+ /* FIXME:
+ * this can take some time, and interrupts are disabled
+ * due to spin_lock_irqsave, but let's hope no daemon
+ * is going to change the settings very often...
+ * Worst case:
+ * NV_RXSTOP_DELAY1MAX + NV_TXSTOP_DELAY1MAX
+ * + some minor delays, which is up to a second approximately
+ */
nv_stop_rxtx(dev);
- spin_unlock(&np->lock);
+ spin_unlock_irqrestore(&np->lock, flags);
netif_tx_unlock_bh(dev);
}
diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c
index e363211..8268b35 100644
--- a/drivers/net/fs_enet/mac-fcc.c
+++ b/drivers/net/fs_enet/mac-fcc.c
@@ -463,6 +463,9 @@ static void restart(struct net_device *dev)
else
C32(fccp, fcc_fpsmr, FCC_PSMR_FDE | FCC_PSMR_LPB);
+ /* Restore multicast and promiscuous settings */
+ set_multicast_list(dev);
+
S32(fccp, fcc_gfmr, FCC_GFMR_ENR | FCC_GFMR_ENT);
}
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 5d2108c..babc79a 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -1636,6 +1636,12 @@ static int emac_poll_rx(void *param, int budget)
goto next;
}
+ if (len < ETH_HLEN) {
+ ++dev->estats.rx_dropped_stack;
+ emac_recycle_rx_skb(dev, slot, len);
+ goto next;
+ }
+
if (len && len < EMAC_RX_COPY_THRESH) {
struct sk_buff *copy_skb =
alloc_skb(len + EMAC_RX_SKB_HEADROOM + 2, GFP_ATOMIC);
@@ -2719,6 +2725,8 @@ static int __devinit emac_probe(struct of_device *ofdev,
/* Clean rings */
memset(dev->tx_desc, 0, NUM_TX_BUFF * sizeof(struct mal_descriptor));
memset(dev->rx_desc, 0, NUM_RX_BUFF * sizeof(struct mal_descriptor));
+ memset(dev->tx_skb, 0, NUM_TX_BUFF * sizeof(struct sk_buff *));
+ memset(dev->rx_skb, 0, NUM_RX_BUFF * sizeof(struct sk_buff *));
/* Attach to ZMII, if needed */
if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII) &&
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index 3b2a6c5..993d87c 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -277,7 +277,7 @@ static int get_skb_hdr(struct sk_buff *skb, void **iphdr,
*tcph = tcp_hdr(skb);
/* check if ip header and tcp header are complete */
- if (iph->tot_len < ip_len + tcp_hdrlen(skb))
+ if (ntohs(iph->tot_len) < ip_len + tcp_hdrlen(skb))
return -1;
*hdr_flags = LRO_IPV4 | LRO_TCP;
diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c
index 520bb0b..6d35155 100644
--- a/drivers/net/wan/hdlc_fr.c
+++ b/drivers/net/wan/hdlc_fr.c
@@ -1008,6 +1008,7 @@ static int fr_rx(struct sk_buff *skb)
stats->rx_bytes += skb->len;
if (pvc->state.becn)
stats->rx_compressed++;
+ skb->dev = dev;
netif_rx(skb);
return NET_RX_SUCCESS;
} else {
--
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