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Diffstat (limited to 'drivers/s390/net/qeth_main.c')
-rw-r--r--drivers/s390/net/qeth_main.c261
1 files changed, 214 insertions, 47 deletions
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 692003c..99cceb2 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -1,6 +1,6 @@
/*
*
- * linux/drivers/s390/net/qeth_main.c ($Revision: 1.224 $)
+ * linux/drivers/s390/net/qeth_main.c ($Revision: 1.242 $)
*
* Linux on zSeries OSA Express and HiperSockets support
*
@@ -9,10 +9,10 @@
* Author(s): Original Code written by
* Utz Bacher (utz.bacher@de.ibm.com)
* Rewritten by
- * Frank Pavlic (pavlic@de.ibm.com) and
+ * Frank Pavlic (fpavlic@de.ibm.com) and
* Thomas Spatzier <tspat@de.ibm.com>
*
- * $Revision: 1.224 $ $Date: 2005/05/04 20:19:18 $
+ * $Revision: 1.242 $ $Date: 2005/05/04 20:19:18 $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -72,7 +72,7 @@
#include "qeth_eddp.h"
#include "qeth_tso.h"
-#define VERSION_QETH_C "$Revision: 1.224 $"
+#define VERSION_QETH_C "$Revision: 1.242 $"
static const char *version = "qeth S/390 OSA-Express driver";
/**
@@ -160,6 +160,9 @@ static void
qeth_set_multicast_list(struct net_device *);
static void
+qeth_setadp_promisc_mode(struct qeth_card *);
+
+static void
qeth_notify_processes(void)
{
/*notify all registered processes */
@@ -602,11 +605,20 @@ __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
int found = 0;
list_for_each_entry(addr, &card->ip_list, entry) {
+ if (card->options.layer2) {
+ if ((addr->type == todo->type) &&
+ (memcmp(&addr->mac, &todo->mac,
+ OSA_ADDR_LEN) == 0)) {
+ found = 1;
+ break;
+ }
+ continue;
+ }
if ((addr->proto == QETH_PROT_IPV4) &&
(todo->proto == QETH_PROT_IPV4) &&
(addr->type == todo->type) &&
(addr->u.a4.addr == todo->u.a4.addr) &&
- (addr->u.a4.mask == todo->u.a4.mask) ){
+ (addr->u.a4.mask == todo->u.a4.mask)) {
found = 1;
break;
}
@@ -615,12 +627,12 @@ __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
(addr->type == todo->type) &&
(addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
(memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
- sizeof(struct in6_addr)) == 0)) {
+ sizeof(struct in6_addr)) == 0)) {
found = 1;
break;
}
}
- if (found){
+ if (found) {
addr->users += todo->users;
if (addr->users <= 0){
*__addr = addr;
@@ -632,7 +644,7 @@ __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
return 0;
}
}
- if (todo->users > 0){
+ if (todo->users > 0) {
/* for VIPA and RXIP limit refcount to 1 */
if (todo->type != QETH_IP_TYPE_NORMAL)
todo->users = 1;
@@ -682,12 +694,22 @@ __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
(tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
return 0;
+ if (card->options.layer2) {
+ if ((tmp->type == addr->type) &&
+ (tmp->is_multicast == addr->is_multicast) &&
+ (memcmp(&tmp->mac, &addr->mac,
+ OSA_ADDR_LEN) == 0)) {
+ found = 1;
+ break;
+ }
+ continue;
+ }
if ((tmp->proto == QETH_PROT_IPV4) &&
(addr->proto == QETH_PROT_IPV4) &&
(tmp->type == addr->type) &&
(tmp->is_multicast == addr->is_multicast) &&
(tmp->u.a4.addr == addr->u.a4.addr) &&
- (tmp->u.a4.mask == addr->u.a4.mask) ){
+ (tmp->u.a4.mask == addr->u.a4.mask)) {
found = 1;
break;
}
@@ -697,7 +719,7 @@ __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
(tmp->is_multicast == addr->is_multicast) &&
(tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
(memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
- sizeof(struct in6_addr)) == 0) ){
+ sizeof(struct in6_addr)) == 0)) {
found = 1;
break;
}
@@ -707,7 +729,7 @@ __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
tmp->users += addr->users;
else
tmp->users += add? 1:-1;
- if (tmp->users == 0){
+ if (tmp->users == 0) {
list_del(&tmp->entry);
kfree(tmp);
}
@@ -738,12 +760,15 @@ qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
unsigned long flags;
int rc = 0;
- QETH_DBF_TEXT(trace,4,"delip");
- if (addr->proto == QETH_PROT_IPV4)
- QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4);
+ QETH_DBF_TEXT(trace, 4, "delip");
+
+ if (card->options.layer2)
+ QETH_DBF_HEX(trace, 4, &addr->mac, 6);
+ else if (addr->proto == QETH_PROT_IPV4)
+ QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
else {
- QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8);
- QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8);
+ QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
+ QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
}
spin_lock_irqsave(&card->ip_lock, flags);
rc = __qeth_insert_ip_todo(card, addr, 0);
@@ -757,12 +782,14 @@ qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
unsigned long flags;
int rc = 0;
- QETH_DBF_TEXT(trace,4,"addip");
- if (addr->proto == QETH_PROT_IPV4)
- QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4);
+ QETH_DBF_TEXT(trace, 4, "addip");
+ if (card->options.layer2)
+ QETH_DBF_HEX(trace, 4, &addr->mac, 6);
+ else if (addr->proto == QETH_PROT_IPV4)
+ QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
else {
- QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8);
- QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8);
+ QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
+ QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
}
spin_lock_irqsave(&card->ip_lock, flags);
rc = __qeth_insert_ip_todo(card, addr, 1);
@@ -775,7 +802,7 @@ __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
{
struct qeth_ipaddr *addr, *tmp;
int rc;
-
+again:
list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
if (addr->is_multicast) {
spin_unlock_irqrestore(&card->ip_lock, *flags);
@@ -784,6 +811,7 @@ __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
if (!rc) {
list_del(&addr->entry);
kfree(addr);
+ goto again;
}
}
}
@@ -851,6 +879,7 @@ qeth_set_ip_addr_list(struct qeth_card *card)
static void qeth_delete_mc_addresses(struct qeth_card *);
static void qeth_add_multicast_ipv4(struct qeth_card *);
+static void qeth_layer2_add_multicast(struct qeth_card *);
#ifdef CONFIG_QETH_IPV6
static void qeth_add_multicast_ipv6(struct qeth_card *);
#endif
@@ -939,6 +968,24 @@ qeth_register_ip_addresses(void *ptr)
return 0;
}
+/*
+ * Drive the SET_PROMISC_MODE thread
+ */
+static int
+qeth_set_promisc_mode(void *ptr)
+{
+ struct qeth_card *card = (struct qeth_card *) ptr;
+
+ daemonize("qeth_setprm");
+ QETH_DBF_TEXT(trace,4,"setprm1");
+ if (!qeth_do_run_thread(card, QETH_SET_PROMISC_MODE_THREAD))
+ return 0;
+ QETH_DBF_TEXT(trace,4,"setprm2");
+ qeth_setadp_promisc_mode(card);
+ qeth_clear_thread_running_bit(card, QETH_SET_PROMISC_MODE_THREAD);
+ return 0;
+}
+
static int
qeth_recover(void *ptr)
{
@@ -1005,6 +1052,8 @@ qeth_start_kernel_thread(struct qeth_card *card)
if (qeth_do_start_thread(card, QETH_SET_IP_THREAD))
kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD);
+ if (qeth_do_start_thread(card, QETH_SET_PROMISC_MODE_THREAD))
+ kernel_thread(qeth_set_promisc_mode, (void *)card, SIGCHLD);
if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
kernel_thread(qeth_recover, (void *) card, SIGCHLD);
}
@@ -3749,7 +3798,7 @@ qeth_open(struct net_device *dev)
if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
(card->options.layer2) &&
- (!card->info.layer2_mac_registered)) {
+ (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
QETH_DBF_TEXT(trace,4,"nomacadr");
return -EPERM;
}
@@ -4311,6 +4360,8 @@ qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
out:
if (flush_count)
qeth_flush_buffers(queue, 0, start_index, flush_count);
+ else if (!atomic_read(&queue->set_pci_flags_count))
+ atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
/*
* queue->state will go from LOCKED -> UNLOCKED or from
* LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
@@ -4975,6 +5026,10 @@ qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
unsigned long);
static int
+qeth_default_setadapterparms_cb(struct qeth_card *card,
+ struct qeth_reply *reply,
+ unsigned long data);
+static int
qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
__u16, long,
int (*reply_cb)
@@ -5301,8 +5356,7 @@ qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
struct qeth_ipaddr *addr;
QETH_DBF_TEXT(trace, 4, "frvaddr4");
- if (!card->vlangrp)
- return;
+
rcu_read_lock();
in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
if (!in_dev)
@@ -5330,8 +5384,7 @@ qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
struct qeth_ipaddr *addr;
QETH_DBF_TEXT(trace, 4, "frvaddr6");
- if (!card->vlangrp)
- return;
+
in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
if (!in6_dev)
return;
@@ -5351,10 +5404,38 @@ qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
}
static void
+qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
+{
+ if (card->options.layer2 || !card->vlangrp)
+ return;
+ qeth_free_vlan_addresses4(card, vid);
+ qeth_free_vlan_addresses6(card, vid);
+}
+
+static int
+qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
+ struct qeth_reply *reply,
+ unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd;
+
+ QETH_DBF_TEXT(trace, 2, "L2sdvcb");
+ cmd = (struct qeth_ipa_cmd *) data;
+ if (cmd->hdr.return_code) {
+ PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
+ "Continuing\n",cmd->data.setdelvlan.vlan_id,
+ QETH_CARD_IFNAME(card), cmd->hdr.return_code);
+ QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
+ QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
+ QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
+ }
+ return 0;
+}
+
+static int
qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
enum qeth_ipa_cmds ipacmd)
{
- int rc;
struct qeth_ipa_cmd *cmd;
struct qeth_cmd_buffer *iob;
@@ -5362,15 +5443,8 @@ qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
cmd->data.setdelvlan.vlan_id = i;
-
- rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
- if (rc) {
- PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
- "Continuing\n",i, QETH_CARD_IFNAME(card), rc);
- QETH_DBF_TEXT_(trace, 2, "L2VL%4x", ipacmd);
- QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
- QETH_DBF_TEXT_(trace, 2, "err%d", rc);
- }
+ return qeth_send_ipa_cmd(card, iob,
+ qeth_layer2_send_setdelvlan_cb, NULL);
}
static void
@@ -5420,8 +5494,7 @@ qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
qeth_free_vlan_skbs(card, vid);
spin_lock_irqsave(&card->vlanlock, flags);
/* unregister IP addresses of vlan device */
- qeth_free_vlan_addresses4(card, vid);
- qeth_free_vlan_addresses6(card, vid);
+ qeth_free_vlan_addresses(card, vid);
if (card->vlangrp)
card->vlangrp->vlan_devices[vid] = NULL;
spin_unlock_irqrestore(&card->vlanlock, flags);
@@ -5430,6 +5503,59 @@ qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
qeth_set_multicast_list(card->dev);
}
#endif
+/**
+ * Examine hardware response to SET_PROMISC_MODE
+ */
+static int
+qeth_setadp_promisc_mode_cb(struct qeth_card *card,
+ struct qeth_reply *reply,
+ unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd;
+ struct qeth_ipacmd_setadpparms *setparms;
+
+ QETH_DBF_TEXT(trace,4,"prmadpcb");
+
+ cmd = (struct qeth_ipa_cmd *) data;
+ setparms = &(cmd->data.setadapterparms);
+
+ qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
+ if (cmd->hdr.return_code) {
+ QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
+ setparms->data.mode = SET_PROMISC_MODE_OFF;
+ }
+ card->info.promisc_mode = setparms->data.mode;
+ return 0;
+}
+/*
+ * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
+ */
+static void
+qeth_setadp_promisc_mode(struct qeth_card *card)
+{
+ enum qeth_ipa_promisc_modes mode;
+ struct net_device *dev = card->dev;
+ struct qeth_cmd_buffer *iob;
+ struct qeth_ipa_cmd *cmd;
+
+ QETH_DBF_TEXT(trace, 4, "setprom");
+
+ if (((dev->flags & IFF_PROMISC) &&
+ (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
+ (!(dev->flags & IFF_PROMISC) &&
+ (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
+ return;
+ mode = SET_PROMISC_MODE_OFF;
+ if (dev->flags & IFF_PROMISC)
+ mode = SET_PROMISC_MODE_ON;
+ QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
+
+ iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
+ sizeof(struct qeth_ipacmd_setadpparms));
+ cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
+ cmd->data.setadapterparms.data.mode = mode;
+ qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
+}
/**
* set multicast address on card
@@ -5444,12 +5570,22 @@ qeth_set_multicast_list(struct net_device *dev)
QETH_DBF_TEXT(trace,3,"setmulti");
qeth_delete_mc_addresses(card);
+ if (card->options.layer2) {
+ qeth_layer2_add_multicast(card);
+ goto out;
+ }
qeth_add_multicast_ipv4(card);
#ifdef CONFIG_QETH_IPV6
qeth_add_multicast_ipv6(card);
#endif
+out:
if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
schedule_work(&card->kernel_thread_starter);
+ if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
+ return;
+ if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0)
+ schedule_work(&card->kernel_thread_starter);
+
}
static int
@@ -5657,6 +5793,24 @@ qeth_add_multicast_ipv4(struct qeth_card *card)
in_dev_put(in4_dev);
}
+static void
+qeth_layer2_add_multicast(struct qeth_card *card)
+{
+ struct qeth_ipaddr *ipm;
+ struct dev_mc_list *dm;
+
+ QETH_DBF_TEXT(trace,4,"L2addmc");
+ for (dm = card->dev->mc_list; dm; dm = dm->next) {
+ ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
+ if (!ipm)
+ continue;
+ memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
+ ipm->is_multicast = 1;
+ if (!qeth_add_ip(card, ipm))
+ kfree(ipm);
+ }
+}
+
#ifdef CONFIG_QETH_IPV6
static inline void
qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
@@ -5825,10 +5979,10 @@ qeth_layer2_send_setmac_cb(struct qeth_card *card,
PRINT_WARN("Error in registering MAC address on " \
"device %s: x%x\n", CARD_BUS_ID(card),
cmd->hdr.return_code);
- card->info.layer2_mac_registered = 0;
+ card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
cmd->hdr.return_code = -EIO;
} else {
- card->info.layer2_mac_registered = 1;
+ card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
OSA_ADDR_LEN);
PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
@@ -5866,7 +6020,7 @@ qeth_layer2_send_delmac_cb(struct qeth_card *card,
cmd->hdr.return_code = -EIO;
return 0;
}
- card->info.layer2_mac_registered = 0;
+ card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
return 0;
}
@@ -5874,7 +6028,7 @@ static int
qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
{
QETH_DBF_TEXT(trace, 2, "L2Delmac");
- if (!card->info.layer2_mac_registered)
+ if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
return 0;
return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
qeth_layer2_send_delmac_cb);
@@ -5896,7 +6050,7 @@ qeth_layer2_set_mac_address(struct net_device *dev, void *p)
card = (struct qeth_card *) dev->priv;
if (!card->options.layer2) {
- PRINT_WARN("Setting MAC address on %s is not supported"
+ PRINT_WARN("Setting MAC address on %s is not supported "
"in Layer 3 mode.\n", dev->name);
QETH_DBF_TEXT(trace, 3, "setmcLY3");
return -EOPNOTSUPP;
@@ -6441,6 +6595,8 @@ qeth_default_setadapterparms_cb(struct qeth_card *card,
return 0;
}
+
+
static int
qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
unsigned long data)
@@ -6481,8 +6637,13 @@ qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
QETH_DBF_TEXT(trace,4,"chgmaccb");
cmd = (struct qeth_ipa_cmd *) data;
- memcpy(card->dev->dev_addr,
- &cmd->data.setadapterparms.data.change_addr.addr,OSA_ADDR_LEN);
+ if (!card->options.layer2 || card->info.guestlan ||
+ !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
+ memcpy(card->dev->dev_addr,
+ &cmd->data.setadapterparms.data.change_addr.addr,
+ OSA_ADDR_LEN);
+ card->info.mac_bits |= QETH_LAYER2_MAC_READ;
+ }
qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
return 0;
}
@@ -6602,6 +6763,12 @@ qeth_layer2_initialize(struct qeth_card *card)
QETH_DBF_TEXT(setup, 2, "doL2init");
QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
+ rc = qeth_query_setadapterparms(card);
+ if (rc) {
+ PRINT_WARN("could not query adapter parameters on device %s: "
+ "x%x\n", CARD_BUS_ID(card), rc);
+ }
+
rc = qeth_setadpparms_change_macaddr(card);
if (rc) {
PRINT_WARN("couldn't get MAC address on "
@@ -8548,7 +8715,7 @@ EXPORT_SYMBOL(qeth_osn_deregister);
EXPORT_SYMBOL(qeth_osn_assist);
module_init(qeth_init);
module_exit(qeth_exit);
-MODULE_AUTHOR("Frank Pavlic <pavlic@de.ibm.com>");
+MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
"Copyright 2000,2003 IBM Corporation\n");
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