* Copyright (C) 2001 Kyle A. Lucke (klucke@us.ibm.com), IBM Corp.
* Substantially cleaned up by:
* Copyright (C) 2003 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
+ * Copyright (C) 2004-2005 Michael Ellerman, IBM Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
#include <linux/delay.h>
#include <linux/mm.h>
#include <linux/ethtool.h>
-#include <asm/iSeries/mf.h>
-#include <asm/iSeries/iSeries_pci.h>
+
+#include <asm/abs_addr.h>
+#include <asm/iseries/mf.h>
#include <asm/uaccess.h>
-#include <asm/iSeries/HvLpConfig.h>
-#include <asm/iSeries/HvTypes.h>
-#include <asm/iSeries/HvLpEvent.h>
+#include <asm/iseries/hv_lp_config.h>
+#include <asm/iseries/hv_types.h>
+#include <asm/iseries/hv_lp_event.h>
#include <asm/iommu.h>
#include <asm/vio.h>
#undef DEBUG
-#include "iseries_veth.h"
-
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)
struct veth_msg {
struct veth_msg *next;
- struct VethFramesData data;
+ struct veth_frames_data data;
int token;
int in_use;
struct sk_buff *skb;
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;
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;
struct veth_msg *msg_stack_head;
static void veth_recycle_msg(struct veth_lpar_connection *, struct veth_msg *);
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 VethLpEvent *);
+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);
*/
#define veth_info(fmt, args...) \
- printk(KERN_INFO "iseries_veth: " fmt, ## args)
+ printk(KERN_INFO DRV_NAME ": " fmt, ## args)
#define veth_error(fmt, args...) \
- printk(KERN_ERR "iseries_veth: Error: " fmt, ## args)
+ printk(KERN_ERR DRV_NAME ": Error: " fmt, ## args)
#ifdef DEBUG
#define veth_debug(fmt, args...) \
- printk(KERN_DEBUG "iseries_veth: " fmt, ## args)
+ printk(KERN_DEBUG DRV_NAME ": " fmt, ## args)
#else
#define veth_debug(fmt, args...) do {} while (0)
#endif
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);
}
static void veth_take_cap(struct veth_lpar_connection *cnx,
- struct VethLpEvent *event)
+ struct veth_lpevent *event)
{
unsigned long flags;
}
static void veth_take_cap_ack(struct veth_lpar_connection *cnx,
- struct VethLpEvent *event)
+ struct veth_lpevent *event)
{
unsigned long flags;
}
static void veth_take_monitor_ack(struct veth_lpar_connection *cnx,
- struct VethLpEvent *event)
+ struct veth_lpevent *event)
{
unsigned long flags;
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];
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:
};
}
-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];
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) {
spin_unlock_irqrestore(&cnx->lock, flags);
break;
- case VethEventTypeFrames:
+ case VETH_EVENT_FRAMES:
veth_receive(cnx, event);
break;
default:
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);
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 */
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);
&& !(cnx->state & VETH_STATE_SENTCAPS)) {
u64 *rawcap = (u64 *)&cnx->local_caps;
- rc = veth_signalevent(cnx, VethEventTypeCap,
+ rc = veth_signalevent(cnx, VETH_EVENT_CAP,
HvLpEvent_AckInd_DoAck,
HvLpEvent_AckType_ImmediateAck,
0, rawcap[0], rawcap[1], rawcap[2],
if ((cnx->state & VETH_STATE_GOTCAPS)
&& !(cnx->state & VETH_STATE_SENTCAPACK)) {
- struct VethCapData *remote_caps = &cnx->remote_caps;
+ struct veth_cap_data *remote_caps = &cnx->remote_caps;
memcpy(remote_caps, &cnx->cap_event.u.caps_data,
sizeof(*remote_caps));
static void veth_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
- strncpy(info->driver, "veth", sizeof(info->driver) - 1);
+ strncpy(info->driver, DRV_NAME, sizeof(info->driver) - 1);
info->driver[sizeof(info->driver) - 1] = '\0';
- strncpy(info->version, "1.0", sizeof(info->version) - 1);
+ strncpy(info->version, DRV_VERSION, sizeof(info->version) - 1);
+ info->version[sizeof(info->version) - 1] = '\0';
}
static int veth_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
msg->data.len[0] = skb->len;
msg->data.eofmask = 1 << VETH_EOF_SHIFT;
- rc = veth_signaldata(cnx, VethEventTypeFrames, msg->token, &msg->data);
+ rc = veth_signaldata(cnx, VETH_EVENT_FRAMES, msg->token, &msg->data);
if (rc != HvLpEvent_Rc_Good)
goto recycle_and_drop;
* it just at the granularity of iSeries real->absolute
* mapping? Indeed, given the way the allocator works, can we
* count on them being absolutely contiguous? */
- list[0].addr = ISERIES_HV_ADDR(p);
+ list[0].addr = iseries_hv_addr(p);
list[0].size = min(length,
PAGE_SIZE - ((unsigned long)p & ~PAGE_MASK));
done = list[0].size;
while (done < length) {
- list[i].addr = ISERIES_HV_ADDR(p + done);
+ list[i].addr = iseries_hv_addr(p + done);
list[i].size = min(length-done, PAGE_SIZE);
done += list[i].size;
i++;
{
HvLpEvent_Rc rc;
- rc = veth_signaldata(cnx, VethEventTypeFramesAck,
+ rc = veth_signaldata(cnx, VETH_EVENT_FRAMES_ACK,
0, &cnx->pending_acks);
if (rc != HvLpEvent_Rc_Good)
}
static void veth_receive(struct veth_lpar_connection *cnx,
- struct VethLpEvent *event)
+ struct veth_lpevent *event)
{
- struct VethFramesData *senddata = &event->u.frames_data;
+ struct veth_frames_data *senddata = &event->u.frames_data;
int startchunk = 0;
int nchunks;
unsigned long flags;
cnx->dst_inst,
HvLpDma_AddressType_RealAddress,
HvLpDma_AddressType_TceIndex,
- ISERIES_HV_ADDR(&local_list),
- ISERIES_HV_ADDR(&remote_list),
+ iseries_hv_addr(&local_list),
+ iseries_hv_addr(&remote_list),
length);
if (rc != HvLpDma_Rc_Good) {
dev_kfree_skb_irq(skb);
MODULE_DEVICE_TABLE(vio, veth_device_table);
static struct vio_driver veth_driver = {
- .name = "iseries_veth",
.id_table = veth_device_table,
.probe = veth_probe,
- .remove = veth_remove
+ .remove = veth_remove,
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ }
};
/*