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-rw-r--r--drivers/char/mwave/mwavedd.c21
-rw-r--r--drivers/char/snsc_event.c11
-rw-r--r--drivers/media/dvb/ttpci/Kconfig3
-rw-r--r--drivers/misc/Kconfig2
-rw-r--r--drivers/net/Kconfig2
-rw-r--r--drivers/net/iseries_veth.c869
-rw-r--r--drivers/net/iseries_veth.h46
-rw-r--r--drivers/net/tulip/de2104x.c2
-rw-r--r--drivers/net/tulip/tulip_core.c1
-rw-r--r--drivers/pci/rom.c24
-rw-r--r--drivers/serial/21285.c10
-rw-r--r--drivers/serial/8250.c89
-rw-r--r--drivers/serial/8250.h6
-rw-r--r--drivers/serial/Kconfig2
-rw-r--r--drivers/serial/amba-pl010.c8
-rw-r--r--drivers/serial/amba-pl011.c8
-rw-r--r--drivers/serial/au1x00_uart.c8
-rw-r--r--drivers/serial/clps711x.c10
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c8
-rw-r--r--drivers/serial/dz.c10
-rw-r--r--drivers/serial/icom.c12
-rw-r--r--drivers/serial/imx.c28
-rw-r--r--drivers/serial/ioc4_serial.c6
-rw-r--r--drivers/serial/ip22zilog.c4
-rw-r--r--drivers/serial/jsm/jsm_tty.c4
-rw-r--r--drivers/serial/m32r_sio.c8
-rw-r--r--drivers/serial/mpc52xx_uart.c8
-rw-r--r--drivers/serial/mpsc.c8
-rw-r--r--drivers/serial/mux.c10
-rw-r--r--drivers/serial/pmac_zilog.c7
-rw-r--r--drivers/serial/pxa.c8
-rw-r--r--drivers/serial/s3c2410.c10
-rw-r--r--drivers/serial/sa1100.c8
-rw-r--r--drivers/serial/serial_core.c144
-rw-r--r--drivers/serial/serial_lh7a40x.c5
-rw-r--r--drivers/serial/serial_txx9.c8
-rw-r--r--drivers/serial/sh-sci.c12
-rw-r--r--drivers/serial/sn_console.c8
-rw-r--r--drivers/serial/sunsab.c8
-rw-r--r--drivers/serial/sunsu.c32
-rw-r--r--drivers/serial/sunzilog.c4
-rw-r--r--drivers/serial/uart00.c8
-rw-r--r--drivers/serial/v850e_uart.c6
-rw-r--r--drivers/serial/vr41xx_siu.c8
44 files changed, 787 insertions, 717 deletions
diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c
index d568991ac6b..8666171e187 100644
--- a/drivers/char/mwave/mwavedd.c
+++ b/drivers/char/mwave/mwavedd.c
@@ -57,6 +57,7 @@
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
+#include <linux/serial_8250.h>
#include "smapi.h"
#include "mwavedd.h"
#include "3780i.h"
@@ -410,8 +411,8 @@ static ssize_t mwave_write(struct file *file, const char __user *buf,
static int register_serial_portandirq(unsigned int port, int irq)
{
- struct serial_struct serial;
-
+ struct uart_port uart;
+
switch ( port ) {
case 0x3f8:
case 0x2f8:
@@ -442,12 +443,14 @@ static int register_serial_portandirq(unsigned int port, int irq)
} /* switch */
/* irq is okay */
- memset(&serial, 0, sizeof(serial));
- serial.port = port;
- serial.irq = irq;
- serial.flags = ASYNC_SHARE_IRQ;
-
- return register_serial(&serial);
+ memset(&uart, 0, sizeof(struct uart_port));
+
+ uart.uartclk = 1843200;
+ uart.iobase = port;
+ uart.irq = irq;
+ uart.iotype = UPIO_PORT;
+ uart.flags = UPF_SHARE_IRQ;
+ return serial8250_register_port(&uart);
}
@@ -523,7 +526,7 @@ static void mwave_exit(void)
#endif
if ( pDrvData->sLine >= 0 ) {
- unregister_serial(pDrvData->sLine);
+ serial8250_unregister_port(pDrvData->sLine);
}
if (pDrvData->bMwaveDevRegistered) {
misc_deregister(&mwave_misc_dev);
diff --git a/drivers/char/snsc_event.c b/drivers/char/snsc_event.c
index d692af57213..baaa365285f 100644
--- a/drivers/char/snsc_event.c
+++ b/drivers/char/snsc_event.c
@@ -19,6 +19,7 @@
#include <linux/sched.h>
#include <linux/byteorder/generic.h>
#include <asm/sn/sn_sal.h>
+#include <asm/unaligned.h>
#include "snsc.h"
static struct subch_data_s *event_sd;
@@ -62,13 +63,16 @@ static int
scdrv_parse_event(char *event, int *src, int *code, int *esp_code, char *desc)
{
char *desc_end;
+ __be32 from_buf;
/* record event source address */
- *src = be32_to_cpup((__be32 *)event);
+ from_buf = get_unaligned((__be32 *)event);
+ *src = be32_to_cpup(&from_buf);
event += 4; /* move on to event code */
/* record the system controller's event code */
- *code = be32_to_cpup((__be32 *)event);
+ from_buf = get_unaligned((__be32 *)event);
+ *code = be32_to_cpup(&from_buf);
event += 4; /* move on to event arguments */
/* how many arguments are in the packet? */
@@ -82,7 +86,8 @@ scdrv_parse_event(char *event, int *src, int *code, int *esp_code, char *desc)
/* not an integer argument, so give up */
return -1;
}
- *esp_code = be32_to_cpup((__be32 *)event);
+ from_buf = get_unaligned((__be32 *)event);
+ *esp_code = be32_to_cpup(&from_buf);
event += 4;
/* parse out the event description */
diff --git a/drivers/media/dvb/ttpci/Kconfig b/drivers/media/dvb/ttpci/Kconfig
index bf3c011d2cf..d8bf6587789 100644
--- a/drivers/media/dvb/ttpci/Kconfig
+++ b/drivers/media/dvb/ttpci/Kconfig
@@ -102,6 +102,9 @@ config DVB_BUDGET_AV
select VIDEO_DEV
select VIDEO_SAA7146_VV
select DVB_STV0299
+ select DVB_TDA1004X
+ select DVB_TDA10021
+ select FW_LOADER
help
Support for simple SAA7146 based DVB cards
(so called Budget- or Nova-PCI cards) without onboard
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 7fc692a8f5b..dea6589d153 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -6,7 +6,7 @@ menu "Misc devices"
config IBM_ASM
tristate "Device driver for IBM RSA service processor"
- depends on X86 && PCI && EXPERIMENTAL
+ depends on X86 && PCI && EXPERIMENTAL && BROKEN
---help---
This option enables device driver support for in-band access to the
IBM RSA (Condor) service processor in eServer xSeries systems.
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index e0239a10d32..7d8bcb38797 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -447,7 +447,7 @@ config NET_SB1250_MAC
config SGI_IOC3_ETH
bool "SGI IOC3 Ethernet"
- depends on NET_ETHERNET && PCI && SGI_IP27
+ depends on NET_ETHERNET && PCI && SGI_IP27 && BROKEN
select CRC32
select MII
help
diff --git a/drivers/net/iseries_veth.c b/drivers/net/iseries_veth.c
index 183ba97785b..dc5d089bf18 100644
--- a/drivers/net/iseries_veth.c
+++ b/drivers/net/iseries_veth.c
@@ -79,12 +79,55 @@
#include <asm/iommu.h>
#include <asm/vio.h>
-#include "iseries_veth.h"
+#undef DEBUG
MODULE_AUTHOR("Kyle Lucke <klucke@us.ibm.com>");
MODULE_DESCRIPTION("iSeries Virtual ethernet driver");
MODULE_LICENSE("GPL");
+#define VETH_EVENT_CAP (0)
+#define VETH_EVENT_FRAMES (1)
+#define VETH_EVENT_MONITOR (2)
+#define VETH_EVENT_FRAMES_ACK (3)
+
+#define VETH_MAX_ACKS_PER_MSG (20)
+#define VETH_MAX_FRAMES_PER_MSG (6)
+
+struct veth_frames_data {
+ u32 addr[VETH_MAX_FRAMES_PER_MSG];
+ u16 len[VETH_MAX_FRAMES_PER_MSG];
+ u32 eofmask;
+};
+#define VETH_EOF_SHIFT (32-VETH_MAX_FRAMES_PER_MSG)
+
+struct veth_frames_ack_data {
+ u16 token[VETH_MAX_ACKS_PER_MSG];
+};
+
+struct veth_cap_data {
+ u8 caps_version;
+ u8 rsvd1;
+ u16 num_buffers;
+ u16 ack_threshold;
+ u16 rsvd2;
+ u32 ack_timeout;
+ u32 rsvd3;
+ u64 rsvd4[3];
+};
+
+struct veth_lpevent {
+ struct HvLpEvent base_event;
+ union {
+ struct veth_cap_data caps_data;
+ struct veth_frames_data frames_data;
+ struct veth_frames_ack_data frames_ack_data;
+ } u;
+
+};
+
+#define DRV_NAME "iseries_veth"
+#define DRV_VERSION "2.0"
+
#define VETH_NUMBUFFERS (120)
#define VETH_ACKTIMEOUT (1000000) /* microseconds */
#define VETH_MAX_MCAST (12)
@@ -113,9 +156,9 @@ MODULE_LICENSE("GPL");
struct veth_msg {
struct veth_msg *next;
- struct VethFramesData data;
+ struct veth_frames_data data;
int token;
- unsigned long in_use;
+ int in_use;
struct sk_buff *skb;
struct device *dev;
};
@@ -125,23 +168,28 @@ struct veth_lpar_connection {
struct work_struct statemachine_wq;
struct veth_msg *msgs;
int num_events;
- struct VethCapData local_caps;
+ struct veth_cap_data local_caps;
+ struct kobject kobject;
struct timer_list ack_timer;
+ struct timer_list reset_timer;
+ unsigned int reset_timeout;
+ unsigned long last_contact;
+ int outstanding_tx;
+
spinlock_t lock;
unsigned long state;
HvLpInstanceId src_inst;
HvLpInstanceId dst_inst;
- struct VethLpEvent cap_event, cap_ack_event;
+ struct veth_lpevent cap_event, cap_ack_event;
u16 pending_acks[VETH_MAX_ACKS_PER_MSG];
u32 num_pending_acks;
int num_ack_events;
- struct VethCapData remote_caps;
+ struct veth_cap_data remote_caps;
u32 ack_timeout;
- spinlock_t msg_stack_lock;
struct veth_msg *msg_stack_head;
};
@@ -151,15 +199,17 @@ struct veth_port {
u64 mac_addr;
HvLpIndexMap lpar_map;
- spinlock_t pending_gate;
- struct sk_buff *pending_skb;
- HvLpIndexMap pending_lpmask;
+ /* queue_lock protects the stopped_map and dev's queue. */
+ spinlock_t queue_lock;
+ HvLpIndexMap stopped_map;
+ /* mcast_gate protects promiscuous, num_mcast & mcast_addr. */
rwlock_t mcast_gate;
int promiscuous;
- int all_mcast;
int num_mcast;
u64 mcast_addr[VETH_MAX_MCAST];
+
+ struct kobject kobject;
};
static HvLpIndex this_lp;
@@ -168,44 +218,56 @@ static struct net_device *veth_dev[HVMAXARCHITECTEDVIRTUALLANS]; /* = 0 */
static int veth_start_xmit(struct sk_buff *skb, struct net_device *dev);
static void veth_recycle_msg(struct veth_lpar_connection *, struct veth_msg *);
-static void veth_flush_pending(struct veth_lpar_connection *cnx);
-static void veth_receive(struct veth_lpar_connection *, struct VethLpEvent *);
-static void veth_timed_ack(unsigned long connectionPtr);
+static void veth_wake_queues(struct veth_lpar_connection *cnx);
+static void veth_stop_queues(struct veth_lpar_connection *cnx);
+static void veth_receive(struct veth_lpar_connection *, struct veth_lpevent *);
+static void veth_release_connection(struct kobject *kobject);
+static void veth_timed_ack(unsigned long ptr);
+static void veth_timed_reset(unsigned long ptr);
/*
* Utility functions
*/
-#define veth_printk(prio, fmt, args...) \
- printk(prio "%s: " fmt, __FILE__, ## args)
+#define veth_info(fmt, args...) \
+ printk(KERN_INFO DRV_NAME ": " fmt, ## args)
#define veth_error(fmt, args...) \
- printk(KERN_ERR "(%s:%3.3d) ERROR: " fmt, __FILE__, __LINE__ , ## args)
+ printk(KERN_ERR DRV_NAME ": Error: " fmt, ## args)
+
+#ifdef DEBUG
+#define veth_debug(fmt, args...) \
+ printk(KERN_DEBUG DRV_NAME ": " fmt, ## args)
+#else
+#define veth_debug(fmt, args...) do {} while (0)
+#endif
+/* You must hold the connection's lock when you call this function. */
static inline void veth_stack_push(struct veth_lpar_connection *cnx,
struct veth_msg *msg)
{
- unsigned long flags;
-
- spin_lock_irqsave(&cnx->msg_stack_lock, flags);
msg->next = cnx->msg_stack_head;
cnx->msg_stack_head = msg;
- spin_unlock_irqrestore(&cnx->msg_stack_lock, flags);
}
+/* You must hold the connection's lock when you call this function. */
static inline struct veth_msg *veth_stack_pop(struct veth_lpar_connection *cnx)
{
- unsigned long flags;
struct veth_msg *msg;
- spin_lock_irqsave(&cnx->msg_stack_lock, flags);
msg = cnx->msg_stack_head;
if (msg)
cnx->msg_stack_head = cnx->msg_stack_head->next;
- spin_unlock_irqrestore(&cnx->msg_stack_lock, flags);
+
return msg;
}
+/* You must hold the connection's lock when you call this function. */
+static inline int veth_stack_is_empty(struct veth_lpar_connection *cnx)
+{
+ return cnx->msg_stack_head == NULL;
+}
+
static inline HvLpEvent_Rc
veth_signalevent(struct veth_lpar_connection *cnx, u16 subtype,
HvLpEvent_AckInd ackind, HvLpEvent_AckType acktype,
@@ -249,7 +311,7 @@ static int veth_allocate_events(HvLpIndex rlp, int number)
struct veth_allocation vc = { COMPLETION_INITIALIZER(vc.c), 0 };
mf_allocate_lp_events(rlp, HvLpEvent_Type_VirtualLan,
- sizeof(struct VethLpEvent), number,
+ sizeof(struct veth_lpevent), number,
&veth_complete_allocation, &vc);
wait_for_completion(&vc.c);
@@ -257,6 +319,137 @@ static int veth_allocate_events(HvLpIndex rlp, int number)
}
/*
+ * sysfs support
+ */
+
+struct veth_cnx_attribute {
+ struct attribute attr;
+ ssize_t (*show)(struct veth_lpar_connection *, char *buf);
+ ssize_t (*store)(struct veth_lpar_connection *, const char *buf);
+};
+
+static ssize_t veth_cnx_attribute_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ struct veth_cnx_attribute *cnx_attr;
+ struct veth_lpar_connection *cnx;
+
+ cnx_attr = container_of(attr, struct veth_cnx_attribute, attr);
+ cnx = container_of(kobj, struct veth_lpar_connection, kobject);
+
+ if (!cnx_attr->show)
+ return -EIO;
+
+ return cnx_attr->show(cnx, buf);
+}
+
+#define CUSTOM_CNX_ATTR(_name, _format, _expression) \
+static ssize_t _name##_show(struct veth_lpar_connection *cnx, char *buf)\
+{ \
+ return sprintf(buf, _format, _expression); \
+} \
+struct veth_cnx_attribute veth_cnx_attr_##_name = __ATTR_RO(_name)
+
+#define SIMPLE_CNX_ATTR(_name) \
+ CUSTOM_CNX_ATTR(_name, "%lu\n", (unsigned long)cnx->_name)
+
+SIMPLE_CNX_ATTR(outstanding_tx);
+SIMPLE_CNX_ATTR(remote_lp);
+SIMPLE_CNX_ATTR(num_events);
+SIMPLE_CNX_ATTR(src_inst);
+SIMPLE_CNX_ATTR(dst_inst);
+SIMPLE_CNX_ATTR(num_pending_acks);
+SIMPLE_CNX_ATTR(num_ack_events);
+CUSTOM_CNX_ATTR(ack_timeout, "%d\n", jiffies_to_msecs(cnx->ack_timeout));
+CUSTOM_CNX_ATTR(reset_timeout, "%d\n", jiffies_to_msecs(cnx->reset_timeout));
+CUSTOM_CNX_ATTR(state, "0x%.4lX\n", cnx->state);
+CUSTOM_CNX_ATTR(last_contact, "%d\n", cnx->last_contact ?
+ jiffies_to_msecs(jiffies - cnx->last_contact) : 0);
+
+#define GET_CNX_ATTR(_name) (&veth_cnx_attr_##_name.attr)
+
+static struct attribute *veth_cnx_default_attrs[] = {
+ GET_CNX_ATTR(outstanding_tx),
+ GET_CNX_ATTR(remote_lp),
+ GET_CNX_ATTR(num_events),
+ GET_CNX_ATTR(reset_timeout),
+ GET_CNX_ATTR(last_contact),
+ GET_CNX_ATTR(state),
+ GET_CNX_ATTR(src_inst),
+ GET_CNX_ATTR(dst_inst),
+ GET_CNX_ATTR(num_pending_acks),
+ GET_CNX_ATTR(num_ack_events),
+ GET_CNX_ATTR(ack_timeout),
+ NULL
+};
+
+static struct sysfs_ops veth_cnx_sysfs_ops = {
+ .show = veth_cnx_attribute_show
+};
+
+static struct kobj_type veth_lpar_connection_ktype = {
+ .release = veth_release_connection,
+ .sysfs_ops = &veth_cnx_sysfs_ops,
+ .default_attrs = veth_cnx_default_attrs
+};
+
+struct veth_port_attribute {
+ struct attribute attr;
+ ssize_t (*show)(struct veth_port *, char *buf);
+ ssize_t (*store)(struct veth_port *, const char *buf);
+};
+
+static ssize_t veth_port_attribute_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ struct veth_port_attribute *port_attr;
+ struct veth_port *port;
+
+ port_attr = container_of(attr, struct veth_port_attribute, attr);
+ port = container_of(kobj, struct veth_port, kobject);
+
+ if (!port_attr->show)
+ return -EIO;
+
+ return port_attr->show(port, buf);
+}
+
+#define CUSTOM_PORT_ATTR(_name, _format, _expression) \
+static ssize_t _name##_show(struct veth_port *port, char *buf) \
+{ \
+ return sprintf(buf, _format, _expression); \
+} \
+struct veth_port_attribute veth_port_attr_##_name = __ATTR_RO(_name)
+
+#define SIMPLE_PORT_ATTR(_name) \
+ CUSTOM_PORT_ATTR(_name, "%lu\n", (unsigned long)port->_name)
+
+SIMPLE_PORT_ATTR(promiscuous);
+SIMPLE_PORT_ATTR(num_mcast);
+CUSTOM_PORT_ATTR(lpar_map, "0x%X\n", port->lpar_map);
+CUSTOM_PORT_ATTR(stopped_map, "0x%X\n", port->stopped_map);
+CUSTOM_PORT_ATTR(mac_addr, "0x%lX\n", port->mac_addr);
+
+#define GET_PORT_ATTR(_name) (&veth_port_attr_##_name.attr)
+static struct attribute *veth_port_default_attrs[] = {
+ GET_PORT_ATTR(mac_addr),
+ GET_PORT_ATTR(lpar_map),
+ GET_PORT_ATTR(stopped_map),
+ GET_PORT_ATTR(promiscuous),
+ GET_PORT_ATTR(num_mcast),
+ NULL
+};
+
+static struct sysfs_ops veth_port_sysfs_ops = {
+ .show = veth_port_attribute_show
+};
+
+static struct kobj_type veth_port_ktype = {
+ .sysfs_ops = &veth_port_sysfs_ops,
+ .default_attrs = veth_port_default_attrs
+};
+
+/*
* LPAR connection code
*/
@@ -266,7 +459,7 @@ static inline void veth_kick_statemachine(struct veth_lpar_connection *cnx)
}
static void veth_take_cap(struct veth_lpar_connection *cnx,
- struct VethLpEvent *event)
+ struct veth_lpevent *event)
{
unsigned long flags;
@@ -278,7 +471,7 @@ static void veth_take_cap(struct veth_lpar_connection *cnx,
HvLpEvent_Type_VirtualLan);
if (cnx->state & VETH_STATE_GOTCAPS) {
- veth_error("Received a second capabilities from lpar %d\n",
+ veth_error("Received a second capabilities from LPAR %d.\n",
cnx->remote_lp);
event->base_event.xRc = HvLpEvent_Rc_BufferNotAvailable;
HvCallEvent_ackLpEvent((struct HvLpEvent *) event);
@@ -291,13 +484,13 @@ static void veth_take_cap(struct veth_lpar_connection *cnx,
}
static void veth_take_cap_ack(struct veth_lpar_connection *cnx,
- struct VethLpEvent *event)
+ struct veth_lpevent *event)
{
unsigned long flags;
spin_lock_irqsave(&cnx->lock, flags);
if (cnx->state & VETH_STATE_GOTCAPACK) {
- veth_error("Received a second capabilities ack from lpar %d\n",
+ veth_error("Received a second capabilities ack from LPAR %d.\n",
cnx->remote_lp);
} else {
memcpy(&cnx->cap_ack_event, event,
@@ -309,19 +502,24 @@ static void veth_take_cap_ack(struct veth_lpar_connection *cnx,
}
static void veth_take_monitor_ack(struct veth_lpar_connection *cnx,
- struct VethLpEvent *event)
+ struct veth_lpevent *event)
{
unsigned long flags;
spin_lock_irqsave(&cnx->lock, flags);
- veth_printk(KERN_DEBUG, "Monitor ack returned for lpar %d\n",
- cnx->remote_lp);
- cnx->state |= VETH_STATE_RESET;
- veth_kick_statemachine(cnx);
+ veth_debug("cnx %d: lost connection.\n", cnx->remote_lp);
+
+ /* Avoid kicking the statemachine once we're shutdown.
+ * It's unnecessary and it could break veth_stop_connection(). */
+
+ if (! (cnx->state & VETH_STATE_SHUTDOWN)) {
+ cnx->state |= VETH_STATE_RESET;
+ veth_kick_statemachine(cnx);
+ }
spin_unlock_irqrestore(&cnx->lock, flags);
}
-static void veth_handle_ack(struct VethLpEvent *event)
+static void veth_handle_ack(struct veth_lpevent *event)
{
HvLpIndex rlp = event->base_event.xTargetLp;
struct veth_lpar_connection *cnx = veth_cnx[rlp];
@@ -329,58 +527,67 @@ static void veth_handle_ack(struct VethLpEvent *event)
BUG_ON(! cnx);
switch (event->base_event.xSubtype) {
- case VethEventTypeCap:
+ case VETH_EVENT_CAP:
veth_take_cap_ack(cnx, event);
break;
- case VethEventTypeMonitor:
+ case VETH_EVENT_MONITOR:
veth_take_monitor_ack(cnx, event);
break;
default:
- veth_error("Unknown ack type %d from lpar %d\n",
- event->base_event.xSubtype, rlp);
+ veth_error("Unknown ack type %d from LPAR %d.\n",
+ event->base_event.xSubtype, rlp);
};
}
-static void veth_handle_int(struct VethLpEvent *event)
+static void veth_handle_int(struct veth_lpevent *event)
{
HvLpIndex rlp = event->base_event.xSourceLp;
struct veth_lpar_connection *cnx = veth_cnx[rlp];
unsigned long flags;
- int i;
+ int i, acked = 0;
BUG_ON(! cnx);
switch (event->base_event.xSubtype) {
- case VethEventTypeCap:
+ case VETH_EVENT_CAP:
veth_take_cap(cnx, event);
break;
- case VethEventTypeMonitor:
+ case VETH_EVENT_MONITOR:
/* do nothing... this'll hang out here til we're dead,
* and the hypervisor will return it for us. */
break;
- case VethEventTypeFramesAck:
+ case VETH_EVENT_FRAMES_ACK:
spin_lock_irqsave(&cnx->lock, flags);
+
for (i = 0; i < VETH_MAX_ACKS_PER_MSG; ++i) {
u16 msgnum = event->u.frames_ack_data.token[i];
- if (msgnum < VETH_NUMBUFFERS)
+ if (msgnum < VETH_NUMBUFFERS) {
veth_recycle_msg(cnx, cnx->msgs + msgnum);
+ cnx->outstanding_tx--;
+ acked++;
+ }
+ }
+
+ if (acked > 0) {
+ cnx->last_contact = jiffies;
+ veth_wake_queues(cnx);
}
+
spin_unlock_irqrestore(&cnx->lock, flags);
- veth_flush_pending(cnx);
break;
- case VethEventTypeFrames:
+ case VETH_EVENT_FRAMES:
veth_receive(cnx, event);
break;
default:
- veth_error("Unknown interrupt type %d from lpar %d\n",
- event->base_event.xSubtype, rlp);
+ veth_error("Unknown interrupt type %d from LPAR %d.\n",
+ event->base_event.xSubtype, rlp);
};
}
static void veth_handle_event(struct HvLpEvent *event, struct pt_regs *regs)
{
- struct VethLpEvent *veth_event = (struct VethLpEvent *)event;
+ struct veth_lpevent *veth_event = (struct veth_lpevent *)event;
if (event->xFlags.xFunction == HvLpEvent_Function_Ack)
veth_handle_ack(veth_event);
@@ -390,7 +597,7 @@ static void veth_handle_event(struct HvLpEvent *event, struct pt_regs *regs)
static int veth_process_caps(struct veth_lpar_connection *cnx)
{
- struct VethCapData *remote_caps = &cnx->remote_caps;
+ struct veth_cap_data *remote_caps = &cnx->remote_caps;
int num_acks_needed;
/* Convert timer to jiffies */
@@ -400,8 +607,8 @@ static int veth_process_caps(struct veth_lpar_connection *cnx)
|| (remote_caps->ack_threshold > VETH_MAX_ACKS_PER_MSG)
|| (remote_caps->ack_threshold == 0)
|| (cnx->ack_timeout == 0) ) {
- veth_error("Received incompatible capabilities from lpar %d\n",
- cnx->remote_lp);
+ veth_error("Received incompatible capabilities from LPAR %d.\n",
+ cnx->remote_lp);
return HvLpEvent_Rc_InvalidSubtypeData;
}
@@ -418,8 +625,8 @@ static int veth_process_caps(struct veth_lpar_connection *cnx)
cnx->num_ack_events += num;
if (cnx->num_ack_events < num_acks_needed) {
- veth_error("Couldn't allocate enough ack events for lpar %d\n",
- cnx->remote_lp);
+ veth_error("Couldn't allocate enough ack events "
+ "for LPAR %d.\n", cnx->remote_lp);
return HvLpEvent_Rc_BufferNotAvailable;
}
@@ -440,15 +647,15 @@ static void veth_statemachine(void *p)
restart:
if (cnx->state & VETH_STATE_RESET) {
- int i;
-
- del_timer(&cnx->ack_timer);
-
if (cnx->state & VETH_STATE_OPEN)
HvCallEvent_closeLpEventPath(cnx->remote_lp,
HvLpEvent_Type_VirtualLan);
- /* reset ack data */
+ /*
+ * Reset ack data. This prevents the ack_timer actually
+ * doing anything, even if it runs one more time when
+ * we drop the lock below.
+ */
memset(&cnx->pending_acks, 0xff, sizeof (cnx->pending_acks));
cnx->num_pending_acks = 0;
@@ -458,14 +665,32 @@ static void veth_statemachine(void *p)
| VETH_STATE_SENTCAPACK | VETH_STATE_READY);
/* Clean up any leftover messages */
- if (cnx->msgs)
+ if (cnx->msgs) {
+ int i;
for (i = 0; i < VETH_NUMBUFFERS; ++i)
veth_recycle_msg(cnx, cnx->msgs + i);
+ }
+
+ cnx->outstanding_tx = 0;
+ veth_wake_queues(cnx);
+
+ /* Drop the lock so we can do stuff that might sleep or
+ * take other locks. */
spin_unlock_irq(&cnx->lock);
- veth_flush_pending(cnx);
+
+ del_timer_sync(&cnx->ack_timer);
+ del_timer_sync(&cnx->reset_timer);
+
spin_lock_irq(&cnx->lock);
+
if (cnx->state & VETH_STATE_RESET)
goto restart;
+
+ /* Hack, wait for the other end to reset itself. */
+ if (! (cnx->state & VETH_STATE_SHUTDOWN)) {
+ schedule_delayed_work(&cnx->statemachine_wq, 5 * HZ);
+ goto out;
+ }
}
if (cnx->state & VETH_STATE_SHUTDOWN)
@@ -488,7 +713,7 @@ static void veth_statemachine(void *p)
if ( (cnx->state & VETH_STATE_OPEN)
&& !(cnx->state & VETH_STATE_SENTMON) ) {
- rc = veth_signalevent(cnx, VethEventTypeMonitor,
+ rc = veth_signalevent(cnx, VETH_EVENT_MONITOR,
HvLpEvent_AckInd_DoAck,
HvLpEvent_AckType_DeferredAck,
0, 0, 0, 0, 0, 0);
@@ -498,9 +723,8 @@ static void veth_statemachine(void *p)
} else {
if ( (rc != HvLpEvent_Rc_PartitionDead)
&& (rc != HvLpEvent_Rc_PathClosed) )
- veth_error("Error sending monitor to "
- "lpar %d, rc=%x\n",
- rlp, (int) rc);
+ veth_error("Error sending monitor to LPAR %d, "
+ "rc = %d\n", rlp, rc);
/* Oh well, hope we get a cap from the other
* end and do better when that kicks us */