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path: root/drivers/s390/net/qeth_l3_main.c
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Diffstat (limited to 'drivers/s390/net/qeth_l3_main.c')
-rw-r--r--drivers/s390/net/qeth_l3_main.c1535
1 files changed, 550 insertions, 985 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 59535ecb1487..027bc346232f 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -7,9 +7,9 @@
* Frank Blaschka <frank.blaschka@de.ibm.com>
*/
-#define KMSG_COMPONENT "qeth"
-#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+#define pr_fmt(fmt) "qeth: " fmt
+#include <linux/export.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/bitops.h>
@@ -19,6 +19,7 @@
#include <linux/etherdevice.h>
#include <linux/ip.h>
#include <linux/in.h>
+#include <linux/inet.h>
#include <linux/ipv6.h>
#include <linux/inetdevice.h>
#include <linux/igmp.h>
@@ -32,56 +33,33 @@
#include <net/route.h>
#include <net/ipv6.h>
#include <net/ip6_route.h>
-#include <net/ip6_fib.h>
#include <net/iucv/af_iucv.h>
#include <linux/hashtable.h>
#include "qeth_l3.h"
-
-static int qeth_l3_set_offline(struct ccwgroup_device *);
-static void qeth_l3_set_rx_mode(struct net_device *dev);
static int qeth_l3_register_addr_entry(struct qeth_card *,
struct qeth_ipaddr *);
static int qeth_l3_deregister_addr_entry(struct qeth_card *,
struct qeth_ipaddr *);
-static void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf)
-{
- sprintf(buf, "%pI4", addr);
-}
-
-static void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf)
-{
- sprintf(buf, "%pI6", addr);
-}
-
-void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr,
- char *buf)
+int qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const u8 *addr,
+ char *buf)
{
if (proto == QETH_PROT_IPV4)
- qeth_l3_ipaddr4_to_string(addr, buf);
- else if (proto == QETH_PROT_IPV6)
- qeth_l3_ipaddr6_to_string(addr, buf);
-}
-
-static struct qeth_ipaddr *qeth_l3_get_addr_buffer(enum qeth_prot_versions prot)
-{
- struct qeth_ipaddr *addr = kmalloc(sizeof(*addr), GFP_ATOMIC);
-
- if (addr)
- qeth_l3_init_ipaddr(addr, QETH_IP_TYPE_NORMAL, prot);
- return addr;
+ return scnprintf(buf, INET_ADDRSTRLEN, "%pI4", addr);
+ else
+ return scnprintf(buf, INET6_ADDRSTRLEN, "%pI6", addr);
}
static struct qeth_ipaddr *qeth_l3_find_addr_by_ip(struct qeth_card *card,
struct qeth_ipaddr *query)
{
- u64 key = qeth_l3_ipaddr_hash(query);
+ u32 key = qeth_l3_ipaddr_hash(query);
struct qeth_ipaddr *addr;
if (query->is_multicast) {
- hash_for_each_possible(card->ip_mc_htable, addr, hnode, key)
+ hash_for_each_possible(card->rx_mode_addrs, addr, hnode, key)
if (qeth_l3_addr_match_ip(addr, query))
return addr;
} else {
@@ -120,19 +98,14 @@ static bool qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card,
return false;
qeth_l3_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
- (addr->proto == QETH_PROT_IPV4)? 4:16);
+ (addr->proto == QETH_PROT_IPV4) ? 4 : 16);
list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
if (addr->proto != ipatoe->proto)
continue;
qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
(ipatoe->proto == QETH_PROT_IPV4) ?
4 : 16);
- if (addr->proto == QETH_PROT_IPV4)
- rc = !memcmp(addr_bits, ipatoe_bits,
- min(32, ipatoe->mask_bits));
- else
- rc = !memcmp(addr_bits, ipatoe_bits,
- min(128, ipatoe->mask_bits));
+ rc = !memcmp(addr_bits, ipatoe_bits, ipatoe->mask_bits);
if (rc)
break;
}
@@ -172,8 +145,6 @@ static int qeth_l3_delete_ip(struct qeth_card *card,
addr->ref_counter--;
if (addr->type == QETH_IP_TYPE_NORMAL && addr->ref_counter > 0)
return rc;
- if (addr->in_progress)
- return -EINPROGRESS;
if (qeth_card_hw_is_reachable(card))
rc = qeth_l3_deregister_addr_entry(card, addr);
@@ -188,7 +159,7 @@ static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
{
int rc = 0;
struct qeth_ipaddr *addr;
- char buf[40];
+ char buf[INET6_ADDRSTRLEN];
if (tmp_addr->type == QETH_IP_TYPE_RXIP)
QETH_CARD_TEXT(card, 2, "addrxip");
@@ -218,13 +189,10 @@ static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
"Registering IP address %s failed\n", buf);
return -EADDRINUSE;
} else {
- addr = qeth_l3_get_addr_buffer(tmp_addr->proto);
+ addr = kmemdup(tmp_addr, sizeof(*tmp_addr), GFP_KERNEL);
if (!addr)
return -ENOMEM;
- memcpy(addr, tmp_addr, sizeof(struct qeth_ipaddr));
- addr->ref_counter = 1;
-
if (qeth_l3_is_addr_covered_by_ipato(card, addr)) {
QETH_CARD_TEXT(card, 2, "tkovaddr");
addr->ipato = 1;
@@ -237,30 +205,10 @@ static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
return 0;
}
- /* qeth_l3_register_addr_entry can go to sleep
- * if we add a IPV4 addr. It is caused by the reason
- * that SETIP ipa cmd starts ARP staff for IPV4 addr.
- * Thus we should unlock spinlock, and make a protection
- * using in_progress variable to indicate that there is
- * an hardware operation with this IPV4 address
- */
- if (addr->proto == QETH_PROT_IPV4) {
- addr->in_progress = 1;
- spin_unlock_bh(&card->ip_lock);
- rc = qeth_l3_register_addr_entry(card, addr);
- spin_lock_bh(&card->ip_lock);
- addr->in_progress = 0;
- } else
- rc = qeth_l3_register_addr_entry(card, addr);
+ rc = qeth_l3_register_addr_entry(card, addr);
- if (!rc || (rc == IPA_RC_DUPLICATE_IP_ADDRESS) ||
- (rc == IPA_RC_LAN_OFFLINE)) {
+ if (!rc || rc == -EADDRINUSE || rc == -ENETDOWN) {
addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
- if (addr->ref_counter < 1) {
- qeth_l3_deregister_addr_entry(card, addr);
- hash_del(&addr->hnode);
- kfree(addr);
- }
} else {
hash_del(&addr->hnode);
kfree(addr);
@@ -269,6 +217,30 @@ static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
return rc;
}
+static int qeth_l3_modify_ip(struct qeth_card *card, struct qeth_ipaddr *addr,
+ bool add)
+{
+ int rc;
+
+ mutex_lock(&card->ip_lock);
+ rc = add ? qeth_l3_add_ip(card, addr) : qeth_l3_delete_ip(card, addr);
+ mutex_unlock(&card->ip_lock);
+
+ return rc;
+}
+
+static void qeth_l3_drain_rx_mode_cache(struct qeth_card *card)
+{
+ struct qeth_ipaddr *addr;
+ struct hlist_node *tmp;
+ int i;
+
+ hash_for_each_safe(card->rx_mode_addrs, i, tmp, addr, hnode) {
+ hash_del(&addr->hnode);
+ kfree(addr);
+ }
+}
+
static void qeth_l3_clear_ip_htable(struct qeth_card *card, int recover)
{
struct qeth_ipaddr *addr;
@@ -277,30 +249,21 @@ static void qeth_l3_clear_ip_htable(struct qeth_card *card, int recover)
QETH_CARD_TEXT(card, 4, "clearip");
- spin_lock_bh(&card->ip_lock);
+ mutex_lock(&card->ip_lock);
hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) {
if (!recover) {
hash_del(&addr->hnode);
kfree(addr);
- continue;
+ } else {
+ /* prepare for recovery */
+ addr->disp_flag = QETH_DISP_ADDR_ADD;
}
- addr->disp_flag = QETH_DISP_ADDR_ADD;
- }
-
- spin_unlock_bh(&card->ip_lock);
-
- spin_lock_bh(&card->mclock);
-
- hash_for_each_safe(card->ip_mc_htable, i, tmp, addr, hnode) {
- hash_del(&addr->hnode);
- kfree(addr);
}
- spin_unlock_bh(&card->mclock);
-
-
+ mutex_unlock(&card->ip_lock);
}
+
static void qeth_l3_recover_ip(struct qeth_card *card)
{
struct qeth_ipaddr *addr;
@@ -310,70 +273,80 @@ static void qeth_l3_recover_ip(struct qeth_card *card)
QETH_CARD_TEXT(card, 4, "recovrip");
- spin_lock_bh(&card->ip_lock);
+ mutex_lock(&card->ip_lock);
hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) {
if (addr->disp_flag == QETH_DISP_ADDR_ADD) {
- if (addr->proto == QETH_PROT_IPV4) {
- addr->in_progress = 1;
- spin_unlock_bh(&card->ip_lock);
- rc = qeth_l3_register_addr_entry(card, addr);
- spin_lock_bh(&card->ip_lock);
- addr->in_progress = 0;
- } else
- rc = qeth_l3_register_addr_entry(card, addr);
+ rc = qeth_l3_register_addr_entry(card, addr);
- if (!rc) {
+ if (!rc || rc == -EADDRINUSE || rc == -ENETDOWN) {
+ /* keep it in the records */
addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
- if (addr->ref_counter < 1)
- qeth_l3_delete_ip(card, addr);
} else {
+ /* bad address */
hash_del(&addr->hnode);
kfree(addr);
}
}
}
- spin_unlock_bh(&card->ip_lock);
+ mutex_unlock(&card->ip_lock);
+}
+
+static int qeth_l3_setdelip_cb(struct qeth_card *card, struct qeth_reply *reply,
+ unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
+ switch (cmd->hdr.return_code) {
+ case IPA_RC_SUCCESS:
+ return 0;
+ case IPA_RC_DUPLICATE_IP_ADDRESS:
+ return -EADDRINUSE;
+ case IPA_RC_MC_ADDR_NOT_FOUND:
+ return -ENOENT;
+ case IPA_RC_LAN_OFFLINE:
+ return -ENETDOWN;
+ default:
+ return -EIO;
+ }
}
static int qeth_l3_send_setdelmc(struct qeth_card *card,
- struct qeth_ipaddr *addr, int ipacmd)
+ struct qeth_ipaddr *addr,
+ enum qeth_ipa_cmds ipacmd)
{
- int rc;
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
QETH_CARD_TEXT(card, 4, "setdelmc");
- iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
+ iob = qeth_ipa_alloc_cmd(card, ipacmd, addr->proto,
+ IPA_DATA_SIZEOF(setdelipm));
if (!iob)
return -ENOMEM;
cmd = __ipa_cmd(iob);
- ether_addr_copy(cmd->data.setdelipm.mac, addr->mac);
- if (addr->proto == QETH_PROT_IPV6)
- memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
- sizeof(struct in6_addr));
- else
- memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr, 4);
-
- rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
+ if (addr->proto == QETH_PROT_IPV6) {
+ cmd->data.setdelipm.ip = addr->u.a6.addr;
+ ipv6_eth_mc_map(&addr->u.a6.addr, cmd->data.setdelipm.mac);
+ } else {
+ cmd->data.setdelipm.ip.s6_addr32[3] = addr->u.a4.addr;
+ ip_eth_mc_map(addr->u.a4.addr, cmd->data.setdelipm.mac);
+ }
- return rc;
+ return qeth_send_ipa_cmd(card, iob, qeth_l3_setdelip_cb, NULL);
}
-static void qeth_l3_fill_netmask(u8 *netmask, unsigned int len)
+static void qeth_l3_set_ipv6_prefix(struct in6_addr *prefix, unsigned int len)
{
- int i, j;
- for (i = 0; i < 16; i++) {
- j = (len) - (i * 8);
- if (j >= 8)
- netmask[i] = 0xff;
- else if (j > 0)
- netmask[i] = (u8)(0xFF00 >> j);
- else
- netmask[i] = 0;
+ unsigned int i = 0;
+
+ while (len && i < 4) {
+ int mask_len = min_t(int, len, 32);
+
+ prefix->s6_addr32[i] = inet_make_mask(mask_len);
+ len -= mask_len;
+ i++;
}
}
@@ -396,12 +369,12 @@ static int qeth_l3_send_setdelip(struct qeth_card *card,
{
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
- __u8 netmask[16];
u32 flags;
QETH_CARD_TEXT(card, 4, "setdelip");
- iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
+ iob = qeth_ipa_alloc_cmd(card, ipacmd, addr->proto,
+ IPA_DATA_SIZEOF(setdelip6));
if (!iob)
return -ENOMEM;
cmd = __ipa_cmd(iob);
@@ -410,19 +383,17 @@ static int qeth_l3_send_setdelip(struct qeth_card *card,
QETH_CARD_TEXT_(card, 4, "flags%02X", flags);
if (addr->proto == QETH_PROT_IPV6) {
- memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
- sizeof(struct in6_addr));
- qeth_l3_fill_netmask(netmask, addr->u.a6.pfxlen);
- memcpy(cmd->data.setdelip6.mask, netmask,
- sizeof(struct in6_addr));
+ cmd->data.setdelip6.addr = addr->u.a6.addr;
+ qeth_l3_set_ipv6_prefix(&cmd->data.setdelip6.prefix,
+ addr->u.a6.pfxlen);
cmd->data.setdelip6.flags = flags;
} else {
- memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
- memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
+ cmd->data.setdelip4.addr = addr->u.a4.addr;
+ cmd->data.setdelip4.mask = addr->u.a4.mask;
cmd->data.setdelip4.flags = flags;
}
- return qeth_send_ipa_cmd(card, iob, NULL, NULL);
+ return qeth_send_ipa_cmd(card, iob, qeth_l3_setdelip_cb, NULL);
}
static int qeth_l3_send_setrouting(struct qeth_card *card,
@@ -433,7 +404,8 @@ static int qeth_l3_send_setrouting(struct qeth_card *card,
struct qeth_cmd_buffer *iob;
QETH_CARD_TEXT(card, 4, "setroutg");
- iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
+ iob = qeth_ipa_alloc_cmd(card, IPA_CMD_SETRTG, prot,
+ IPA_DATA_SIZEOF(setrtg));
if (!iob)
return -ENOMEM;
cmd = __ipa_cmd(iob);
@@ -446,7 +418,7 @@ static int qeth_l3_send_setrouting(struct qeth_card *card,
static int qeth_l3_correct_routing_type(struct qeth_card *card,
enum qeth_routing_types *type, enum qeth_prot_versions prot)
{
- if (card->info.type == QETH_CARD_TYPE_IQD) {
+ if (IS_IQD(card)) {
switch (*type) {
case NO_ROUTER:
case PRIMARY_CONNECTOR:
@@ -466,6 +438,7 @@ static int qeth_l3_correct_routing_type(struct qeth_card *card,
if (qeth_is_ipafunc_supported(card, prot,
IPA_OSA_MC_ROUTER))
return 0;
+ goto out_inval;
default:
goto out_inval;
}
@@ -523,7 +496,7 @@ int qeth_l3_setrouting_v6(struct qeth_card *card)
* IP address takeover related functions
*/
-/**
+/*
* qeth_l3_update_ipato() - Update 'takeover' property, for all NORMAL IPs.
*
* Caller must hold ip_lock.
@@ -544,7 +517,7 @@ static void qeth_l3_clear_ipato_list(struct qeth_card *card)
{
struct qeth_ipato_entry *ipatoe, *tmp;
- spin_lock_bh(&card->ip_lock);
+ mutex_lock(&card->ip_lock);
list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
list_del(&ipatoe->entry);
@@ -552,7 +525,7 @@ static void qeth_l3_clear_ipato_list(struct qeth_card *card)
}
qeth_l3_update_ipato(card);
- spin_unlock_bh(&card->ip_lock);
+ mutex_unlock(&card->ip_lock);
}
int qeth_l3_add_ipato_entry(struct qeth_card *card,
@@ -563,13 +536,13 @@ int qeth_l3_add_ipato_entry(struct qeth_card *card,
QETH_CARD_TEXT(card, 2, "addipato");
- spin_lock_bh(&card->ip_lock);
+ mutex_lock(&card->ip_lock);
list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
if (ipatoe->proto != new->proto)
continue;
if (!memcmp(ipatoe->addr, new->addr,
- (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
+ (ipatoe->proto == QETH_PROT_IPV4) ? 4 : 16) &&
(ipatoe->mask_bits == new->mask_bits)) {
rc = -EEXIST;
break;
@@ -581,27 +554,27 @@ int qeth_l3_add_ipato_entry(struct qeth_card *card,
qeth_l3_update_ipato(card);
}
- spin_unlock_bh(&card->ip_lock);
+ mutex_unlock(&card->ip_lock);
return rc;
}
int qeth_l3_del_ipato_entry(struct qeth_card *card,
enum qeth_prot_versions proto, u8 *addr,
- int mask_bits)
+ unsigned int mask_bits)
{
struct qeth_ipato_entry *ipatoe, *tmp;
int rc = -ENOENT;
QETH_CARD_TEXT(card, 2, "delipato");
- spin_lock_bh(&card->ip_lock);
+ mutex_lock(&card->ip_lock);
list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
if (ipatoe->proto != proto)
continue;
if (!memcmp(ipatoe->addr, addr,
- (proto == QETH_PROT_IPV4)? 4:16) &&
+ (proto == QETH_PROT_IPV4) ? 4 : 16) &&
(ipatoe->mask_bits == mask_bits)) {
list_del(&ipatoe->entry);
qeth_l3_update_ipato(card);
@@ -610,7 +583,8 @@ int qeth_l3_del_ipato_entry(struct qeth_card *card,
}
}
- spin_unlock_bh(&card->ip_lock);
+ mutex_unlock(&card->ip_lock);
+
return rc;
}
@@ -619,7 +593,6 @@ int qeth_l3_modify_rxip_vipa(struct qeth_card *card, bool add, const u8 *ip,
enum qeth_prot_versions proto)
{
struct qeth_ipaddr addr;
- int rc;
qeth_l3_init_ipaddr(&addr, type, proto);
if (proto == QETH_PROT_IPV4)
@@ -627,16 +600,13 @@ int qeth_l3_modify_rxip_vipa(struct qeth_card *card, bool add, const u8 *ip,
else
memcpy(&addr.u.a6.addr, ip, 16);
- spin_lock_bh(&card->ip_lock);
- rc = add ? qeth_l3_add_ip(card, &addr) : qeth_l3_delete_ip(card, &addr);
- spin_unlock_bh(&card->ip_lock);
- return rc;
+ return qeth_l3_modify_ip(card, &addr, add);
}
int qeth_l3_modify_hsuid(struct qeth_card *card, bool add)
{
struct qeth_ipaddr addr;
- int rc, i;
+ unsigned int i;
qeth_l3_init_ipaddr(&addr, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV6);
addr.u.a6.addr.s6_addr[0] = 0xfe;
@@ -644,10 +614,7 @@ int qeth_l3_modify_hsuid(struct qeth_card *card, bool add)
for (i = 0; i < 8; i++)
addr.u.a6.addr.s6_addr[8+i] = card->options.hsuid[i];
- spin_lock_bh(&card->ip_lock);
- rc = add ? qeth_l3_add_ip(card, &addr) : qeth_l3_delete_ip(card, &addr);
- spin_unlock_bh(&card->ip_lock);
- return rc;
+ return qeth_l3_modify_ip(card, &addr, add);
}
static int qeth_l3_register_addr_entry(struct qeth_card *card,
@@ -721,7 +688,7 @@ static int qeth_l3_setadapter_parms(struct qeth_card *card)
{
int rc = 0;
- QETH_DBF_TEXT(SETUP, 2, "setadprm");
+ QETH_CARD_TEXT(card, 2, "setadprm");
if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) {
rc = qeth_setadpparms_change_macaddr(card);
@@ -741,16 +708,16 @@ static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card)
if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) {
dev_info(&card->gdev->dev,
- "ARP processing not supported on %s!\n",
- QETH_CARD_IFNAME(card));
+ "ARP processing not supported on %s!\n",
+ netdev_name(card->dev));
return 0;
}
rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
- IPA_CMD_ASS_START, 0);
+ IPA_CMD_ASS_START, NULL);
if (rc) {
dev_warn(&card->gdev->dev,
- "Starting ARP processing support for %s failed\n",
- QETH_CARD_IFNAME(card));
+ "Starting ARP processing support for %s failed\n",
+ netdev_name(card->dev));
}
return rc;
}
@@ -763,17 +730,17 @@ static int qeth_l3_start_ipa_source_mac(struct qeth_card *card)
if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
dev_info(&card->gdev->dev,
- "Inbound source MAC-address not supported on %s\n",
- QETH_CARD_IFNAME(card));
+ "Inbound source MAC-address not supported on %s\n",
+ netdev_name(card->dev));
return -EOPNOTSUPP;
}
rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
- IPA_CMD_ASS_START, 0);
+ IPA_CMD_ASS_START, NULL);
if (rc)
dev_warn(&card->gdev->dev,
- "Starting source MAC-address support for %s failed\n",
- QETH_CARD_IFNAME(card));
+ "Starting source MAC-address support for %s failed\n",
+ netdev_name(card->dev));
return rc;
}
@@ -785,16 +752,16 @@ static int qeth_l3_start_ipa_vlan(struct qeth_card *card)
if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
dev_info(&card->gdev->dev,
- "VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
+ "VLAN not supported on %s\n", netdev_name(card->dev));
return -EOPNOTSUPP;
}
rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
- IPA_CMD_ASS_START, 0);
+ IPA_CMD_ASS_START, NULL);
if (rc) {
dev_warn(&card->gdev->dev,
- "Starting VLAN support for %s failed\n",
- QETH_CARD_IFNAME(card));
+ "Starting VLAN support for %s failed\n",
+ netdev_name(card->dev));
} else {
dev_info(&card->gdev->dev, "VLAN enabled\n");
}
@@ -809,17 +776,17 @@ static int qeth_l3_start_ipa_multicast(struct qeth_card *card)
if (!qeth_is_supported(card, IPA_MULTICASTING)) {
dev_info(&card->gdev->dev,
- "Multicast not supported on %s\n",
- QETH_CARD_IFNAME(card));
+ "Multicast not supported on %s\n",
+ netdev_name(card->dev));
return -EOPNOTSUPP;
}
rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
- IPA_CMD_ASS_START, 0);
+ IPA_CMD_ASS_START, NULL);
if (rc) {
dev_warn(&card->gdev->dev,
- "Starting multicast support for %s failed\n",
- QETH_CARD_IFNAME(card));
+ "Starting multicast support for %s failed\n",
+ netdev_name(card->dev));
} else {
dev_info(&card->gdev->dev, "Multicast enabled\n");
card->dev->flags |= IFF_MULTICAST;
@@ -829,35 +796,36 @@ static int qeth_l3_start_ipa_multicast(struct qeth_card *card)
static int qeth_l3_softsetup_ipv6(struct qeth_card *card)
{
+ u32 ipv6_data = 3;
int rc;
QETH_CARD_TEXT(card, 3, "softipv6");
- if (card->info.type == QETH_CARD_TYPE_IQD)
+ if (IS_IQD(card))
goto out;
- rc = qeth_send_simple_setassparms(card, IPA_IPV6,
- IPA_CMD_ASS_START, 3);
+ rc = qeth_send_simple_setassparms(card, IPA_IPV6, IPA_CMD_ASS_START,
+ &ipv6_data);
if (rc) {
dev_err(&card->gdev->dev,
"Activating IPv6 support for %s failed\n",
- QETH_CARD_IFNAME(card));
+ netdev_name(card->dev));
return rc;
}
- rc = qeth_send_simple_setassparms_v6(card, IPA_IPV6,
- IPA_CMD_ASS_START, 0);
+ rc = qeth_send_simple_setassparms_v6(card, IPA_IPV6, IPA_CMD_ASS_START,
+ NULL);
if (rc) {
dev_err(&card->gdev->dev,
"Activating IPv6 support for %s failed\n",
- QETH_CARD_IFNAME(card));
+ netdev_name(card->dev));
return rc;
}
rc = qeth_send_simple_setassparms_v6(card, IPA_PASSTHRU,
- IPA_CMD_ASS_START, 0);
+ IPA_CMD_ASS_START, NULL);
if (rc) {
dev_warn(&card->gdev->dev,
- "Enabling the passthrough mode for %s failed\n",
- QETH_CARD_IFNAME(card));
+ "Enabling the passthrough mode for %s failed\n",
+ netdev_name(card->dev));
return rc;
}
out:
@@ -871,7 +839,7 @@ static int qeth_l3_start_ipa_ipv6(struct qeth_card *card)
if (!qeth_is_supported(card, IPA_IPV6)) {
dev_info(&card->gdev->dev,
- "IPv6 not supported on %s\n", QETH_CARD_IFNAME(card));
+ "IPv6 not supported on %s\n", netdev_name(card->dev));
return 0;
}
return qeth_l3_softsetup_ipv6(card);
@@ -879,40 +847,43 @@ static int qeth_l3_start_ipa_ipv6(struct qeth_card *card)
static int qeth_l3_start_ipa_broadcast(struct qeth_card *card)
{
+ u32 filter_data = 1;
int rc;
QETH_CARD_TEXT(card, 3, "stbrdcst");
card->info.broadcast_capable = 0;
if (!qeth_is_supported(card, IPA_FILTERING)) {
dev_info(&card->gdev->dev,
- "Broadcast not supported on %s\n",
- QETH_CARD_IFNAME(card));
+ "Broadcast not supported on %s\n",
+ netdev_name(card->dev));
rc = -EOPNOTSUPP;
goto out;
}
rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
- IPA_CMD_ASS_START, 0);
+ IPA_CMD_ASS_START, NULL);
if (rc) {
- dev_warn(&card->gdev->dev, "Enabling broadcast filtering for "
- "%s failed\n", QETH_CARD_IFNAME(card));
+ dev_warn(&card->gdev->dev,
+ "Enabling broadcast filtering for %s failed\n",
+ netdev_name(card->dev));
goto out;
}
rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
- IPA_CMD_ASS_CONFIGURE, 1);
+ IPA_CMD_ASS_CONFIGURE, &filter_data);
if (rc) {
dev_warn(&card->gdev->dev,
- "Setting up broadcast filtering for %s failed\n",
- QETH_CARD_IFNAME(card));
+ "Setting up broadcast filtering for %s failed\n",
+ netdev_name(card->dev));
goto out;
}
card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
dev_info(&card->gdev->dev, "Broadcast enabled\n");
rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
- IPA_CMD_ASS_ENABLE, 1);
+ IPA_CMD_ASS_ENABLE, &filter_data);
if (rc) {
- dev_warn(&card->gdev->dev, "Setting up broadcast echo "
- "filtering for %s failed\n", QETH_CARD_IFNAME(card));
+ dev_warn(&card->gdev->dev,
+ "Setting up broadcast echo filtering for %s failed\n",
+ netdev_name(card->dev));
goto out;
}
card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
@@ -924,30 +895,29 @@ out:
return rc;
}
-static int qeth_l3_start_ipassists(struct qeth_card *card)
+static void qeth_l3_start_ipassists(struct qeth_card *card)
{
QETH_CARD_TEXT(card, 3, "strtipas");
- if (qeth_set_access_ctrl_online(card, 0))
- return -EIO;
qeth_l3_start_ipa_arp_processing(card); /* go on*/
qeth_l3_start_ipa_source_mac(card); /* go on*/
qeth_l3_start_ipa_vlan(card); /* go on*/
qeth_l3_start_ipa_multicast(card); /* go on*/
qeth_l3_start_ipa_ipv6(card); /* go on*/
qeth_l3_start_ipa_broadcast(card); /* go on*/
- return 0;
}
static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card,
struct qeth_reply *reply, unsigned long data)
{
- struct qeth_ipa_cmd *cmd;
+ struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
- cmd = (struct qeth_ipa_cmd *) data;
- if (cmd->hdr.return_code == 0)
- ether_addr_copy(card->dev->dev_addr,
- cmd->data.create_destroy_addr.unique_id);
+ if (cmd->hdr.return_code)
+ return -EIO;
+ if (!is_valid_ether_addr(cmd->data.create_destroy_addr.mac_addr))
+ return -EADDRNOTAVAIL;
+
+ eth_hw_addr_set(card->dev, cmd->data.create_destroy_addr.mac_addr);
return 0;
}
@@ -955,17 +925,13 @@ static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card)
{
int rc = 0;
struct qeth_cmd_buffer *iob;
- struct qeth_ipa_cmd *cmd;
- QETH_DBF_TEXT(SETUP, 2, "hsrmac");
+ QETH_CARD_TEXT(card, 2, "hsrmac");
- iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
- QETH_PROT_IPV6);
+ iob = qeth_ipa_alloc_cmd(card, IPA_CMD_CREATE_ADDR, QETH_PROT_IPV6,
+ IPA_DATA_SIZEOF(create_destroy_addr));
if (!iob)
return -ENOMEM;
- cmd = __ipa_cmd(iob);
- *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
- card->info.unique_id;
rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb,
NULL);
@@ -975,45 +941,37 @@ static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card)
static int qeth_l3_get_unique_id_cb(struct qeth_card *card,
struct qeth_reply *reply, unsigned long data)
{
- struct qeth_ipa_cmd *cmd;
+ struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
+ u16 *uid = reply->param;
- cmd = (struct qeth_ipa_cmd *) data;
- if (cmd->hdr.return_code == 0)
- card->info.unique_id = *((__u16 *)
- &cmd->data.create_destroy_addr.unique_id[6]);
- else {
- card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
- UNIQUE_ID_NOT_BY_CARD;
- dev_warn(&card->gdev->dev, "The network adapter failed to "
- "generate a unique ID\n");
+ if (cmd->hdr.return_code == 0) {
+ *uid = cmd->data.create_destroy_addr.uid;
+ return 0;
}
- return 0;
+
+ dev_warn(&card->gdev->dev, "The network adapter failed to generate a unique ID\n");
+ return -EIO;
}
-static int qeth_l3_get_unique_id(struct qeth_card *card)
+static u16 qeth_l3_get_unique_id(struct qeth_card *card, u16 uid)
{
- int rc = 0;
struct qeth_cmd_buffer *iob;
- struct qeth_ipa_cmd *cmd;
- QETH_DBF_TEXT(SETUP, 2, "guniqeid");
+ QETH_CARD_TEXT(card, 2, "guniqeid");
- if (!qeth_is_supported(card, IPA_IPV6)) {
- card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
- UNIQUE_ID_NOT_BY_CARD;
- return 0;
- }
+ if (!qeth_is_supported(card, IPA_IPV6))
+ goto out;
- iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
- QETH_PROT_IPV6);
+ iob = qeth_ipa_alloc_cmd(card, IPA_CMD_CREATE_ADDR, QETH_PROT_IPV6,
+ IPA_DATA_SIZEOF(create_destroy_addr));
if (!iob)
- return -ENOMEM;
- cmd = __ipa_cmd(iob);
- *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
- card->info.unique_id;
+ goto out;
- rc = qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, NULL);
- return rc;
+ __ipa_cmd(iob)->data.create_destroy_addr.uid = uid;
+ qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, &uid);
+
+out:
+ return uid;
}
static int
@@ -1023,7 +981,7 @@ qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply,
struct qeth_ipa_cmd *cmd;
__u16 rc;
- QETH_DBF_TEXT(SETUP, 2, "diastrcb");
+ QETH_CARD_TEXT(card, 2, "diastrcb");
cmd = (struct qeth_ipa_cmd *)data;
rc = cmd->hdr.return_code;
@@ -1070,7 +1028,7 @@ qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply,
cmd->data.diagass.action, CARD_DEVID(card));
}
- return 0;
+ return rc ? -EIO : 0;
}
static int
@@ -1079,378 +1037,109 @@ qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
- QETH_DBF_TEXT(SETUP, 2, "diagtrac");
+ QETH_CARD_TEXT(card, 2, "diagtrac");
- iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
+ iob = qeth_get_diag_cmd(card, QETH_DIAGS_CMD_TRACE, 0);
if (!iob)
return -ENOMEM;
cmd = __ipa_cmd(iob);
- cmd->data.diagass.subcmd_len = 16;
- cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRACE;
cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET;
cmd->data.diagass.action = diags_cmd;
return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL);
}
-static void
-qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev)
+static int qeth_l3_add_mcast_rtnl(struct net_device *dev, int vid, void *arg)
{
+ struct qeth_card *card = arg;
+ struct inet6_dev *in6_dev;
+ struct in_device *in4_dev;
+ struct qeth_ipaddr *ipm;
+ struct qeth_ipaddr tmp;
struct ip_mc_list *im4;
- struct qeth_ipaddr *tmp, *ipm;
+ struct ifmcaddr6 *im6;
QETH_CARD_TEXT(card, 4, "addmc");
- tmp = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
- if (!tmp)
- return;
+ if (!dev || !(dev->flags & IFF_UP))
+ goto out;
+
+ in4_dev = __in_dev_get_rtnl(dev);
+ if (!in4_dev)
+ goto walk_ipv6;
+
+ qeth_l3_init_ipaddr(&tmp, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV4);
+ tmp.disp_flag = QETH_DISP_ADDR_ADD;
+ tmp.is_multicast = 1;
- for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL;
- im4 = rcu_dereference(im4->next_rcu)) {
- ip_eth_mc_map(im4->multiaddr, tmp->mac);
- tmp->u.a4.addr = be32_to_cpu(im4->multiaddr);
- tmp->is_multicast = 1;
+ for (im4 = rtnl_dereference(in4_dev->mc_list); im4 != NULL;
+ im4 = rtnl_dereference(im4->next_rcu)) {
+ tmp.u.a4.addr = im4->multiaddr;
- ipm = qeth_l3_find_addr_by_ip(card, tmp);
+ ipm = qeth_l3_find_addr_by_ip(card, &tmp);
if (ipm) {
/* for mcast, by-IP match means full match */
ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
- } else {
- ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
- if (!ipm)
- continue;
- ether_addr_copy(ipm->mac, tmp->mac);
- ipm->u.a4.addr = be32_to_cpu(im4->multiaddr);
- ipm->is_multicast = 1;
- ipm->disp_flag = QETH_DISP_ADDR_ADD;
- hash_add(card->ip_mc_htable,
- &ipm->hnode, qeth_l3_ipaddr_hash(ipm));
+ continue;
}
- }
-
- kfree(tmp);
-}
-
-/* called with rcu_read_lock */
-static void qeth_l3_add_vlan_mc(struct qeth_card *card)
-{
- struct in_device *in_dev;
- u16 vid;
- QETH_CARD_TEXT(card, 4, "addmcvl");
-
- if (!qeth_is_supported(card, IPA_FULL_VLAN))
- return;
-
- for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
- struct net_device *netdev;
-
- netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q),
- vid);
- if (netdev == NULL ||
- !(netdev->flags & IFF_UP))
- continue;
- in_dev = __in_dev_get_rcu(netdev);
- if (!in_dev)
+ ipm = kmemdup(&tmp, sizeof(tmp), GFP_KERNEL);
+ if (!ipm)
continue;
- qeth_l3_add_mc_to_hash(card, in_dev);
- }
-}
-
-static void qeth_l3_add_multicast_ipv4(struct qeth_card *card)
-{
- struct in_device *in4_dev;
- QETH_CARD_TEXT(card, 4, "chkmcv4");
-
- rcu_read_lock();
- in4_dev = __in_dev_get_rcu(card->dev);
- if (in4_dev == NULL)
- goto unlock;
- qeth_l3_add_mc_to_hash(card, in4_dev);
- qeth_l3_add_vlan_mc(card);
-unlock:
- rcu_read_unlock();
-}
+ hash_add(card->rx_mode_addrs, &ipm->hnode,
+ qeth_l3_ipaddr_hash(ipm));
+ }
-static void qeth_l3_add_mc6_to_hash(struct qeth_card *card,
- struct inet6_dev *in6_dev)
-{
- struct qeth_ipaddr *ipm;
- struct ifmcaddr6 *im6;
- struct qeth_ipaddr *tmp;
+walk_ipv6:
+ if (!qeth_is_supported(card, IPA_IPV6))
+ goto out;
- QETH_CARD_TEXT(card, 4, "addmc6");
+ in6_dev = __in6_dev_get(dev);
+ if (!in6_dev)
+ goto out;
- tmp = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
- if (!tmp)
- return;
+ qeth_l3_init_ipaddr(&tmp, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV6);
+ tmp.disp_flag = QETH_DISP_ADDR_ADD;
+ tmp.is_multicast = 1;
- for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
- ipv6_eth_mc_map(&im6->mca_addr, tmp->mac);
- memcpy(&tmp->u.a6.addr, &im6->mca_addr.s6_addr,
- sizeof(struct in6_addr));
- tmp->is_multicast = 1;
+ for (im6 = rtnl_dereference(in6_dev->mc_list);
+ im6;
+ im6 = rtnl_dereference(im6->next)) {
+ tmp.u.a6.addr = im6->mca_addr;
- ipm = qeth_l3_find_addr_by_ip(card, tmp);
+ ipm = qeth_l3_find_addr_by_ip(card, &tmp);
if (ipm) {
/* for mcast, by-IP match means full match */
ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
continue;
}
- ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
+ ipm = kmemdup(&tmp, sizeof(tmp), GFP_ATOMIC);
if (!ipm)
continue;
- ether_addr_copy(ipm->mac, tmp->mac);
- memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr,
- sizeof(struct in6_addr));
- ipm->is_multicast = 1;
- ipm->disp_flag = QETH_DISP_ADDR_ADD;
- hash_add(card->ip_mc_htable,
- &ipm->hnode, qeth_l3_ipaddr_hash(ipm));
-
- }
- kfree(tmp);
-}
-
-/* called with rcu_read_lock */
-static void qeth_l3_add_vlan_mc6(struct qeth_card *card)
-{
- struct inet6_dev *in_dev;
- u16 vid;
-
- QETH_CARD_TEXT(card, 4, "admc6vl");
-
- if (!qeth_is_supported(card, IPA_FULL_VLAN))
- return;
+ hash_add(card->rx_mode_addrs, &ipm->hnode,
+ qeth_l3_ipaddr_hash(ipm));
- for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
- struct net_device *netdev;
-
- netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q),
- vid);
- if (netdev == NULL ||
- !(netdev->flags & IFF_UP))
- continue;
- in_dev = in6_dev_get(netdev);
- if (!in_dev)
- continue;
- read_lock_bh(&in_dev->lock);
- qeth_l3_add_mc6_to_hash(card, in_dev);
- read_unlock_bh(&in_dev->lock);
- in6_dev_put(in_dev);
}
-}
-
-static void qeth_l3_add_multicast_ipv6(struct qeth_card *card)
-{
- struct inet6_dev *in6_dev;
- QETH_CARD_TEXT(card, 4, "chkmcv6");
-
- if (!qeth_is_supported(card, IPA_IPV6))
- return ;
- in6_dev = in6_dev_get(card->dev);
- if (!in6_dev)
- return;
-
- rcu_read_lock();
- read_lock_bh(&in6_dev->lock);
- qeth_l3_add_mc6_to_hash(card, in6_dev);
- qeth_l3_add_vlan_mc6(card);
- read_unlock_bh(&in6_dev->lock);
- rcu_read_unlock();
- in6_dev_put(in6_dev);
-}
-
-static int qeth_l3_vlan_rx_add_vid(struct net_device *dev,
- __be16 proto, u16 vid)
-{
- struct qeth_card *card = dev->ml_priv;
-
- set_bit(vid, card->active_vlans);
- return 0;
-}
-
-static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev,
- __be16 proto, u16 vid)
-{
- struct qeth_card *card = dev->ml_priv;
-
- QETH_CARD_TEXT_(card, 4, "kid:%d", vid);
-
- clear_bit(vid, card->active_vlans);
- qeth_l3_set_rx_mode(dev);
+out:
return 0;
}
-static void qeth_l3_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
- struct qeth_hdr *hdr)
-{
- if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) {
- u16 prot = (hdr->hdr.l3.flags & QETH_HDR_IPV6) ? ETH_P_IPV6 :
- ETH_P_IP;
- unsigned char tg_addr[ETH_ALEN];
-
- skb_reset_network_header(skb);
- switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) {
- case QETH_CAST_MULTICAST:
- if (prot == ETH_P_IP)
- ip_eth_mc_map(ip_hdr(skb)->daddr, tg_addr);
- else
- ipv6_eth_mc_map(&ipv6_hdr(skb)->daddr, tg_addr);
-
- card->stats.multicast++;
- break;
- case QETH_CAST_BROADCAST:
- ether_addr_copy(tg_addr, card->dev->broadcast);
- card->stats.multicast++;
- break;
- default:
- if (card->options.sniffer)
- skb->pkt_type = PACKET_OTHERHOST;
- ether_addr_copy(tg_addr, card->dev->dev_addr);
- }
-
- if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
- card->dev->header_ops->create(skb, card->dev, prot,
- tg_addr, &hdr->hdr.l3.next_hop.rx.src_mac,
- skb->len);
- else
- card->dev->header_ops->create(skb, card->dev, prot,
- tg_addr, "FAKELL", skb->len);
- }
-
- skb->protocol = eth_type_trans(skb, card->dev);
-
- /* copy VLAN tag from hdr into skb */
- if (!card->options.sniffer &&
- (hdr->hdr.l3.ext_flags & (QETH_HDR_EXT_VLAN_FRAME |
- QETH_HDR_EXT_INCLUDE_VLAN_TAG))) {
- u16 tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME) ?
- hdr->hdr.l3.vlan_id :
- hdr->hdr.l3.next_hop.rx.vlan_id;
- __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), tag);
- }
-
- qeth_rx_csum(card, skb, hdr->hdr.l3.ext_flags);
-}
-
-static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
- int budget, int *done)
-{
- struct net_device *dev = card->dev;
- int work_done = 0;
- struct sk_buff *skb;
- struct qeth_hdr *hdr;
- unsigned int len;
- __u16 magic;
-
- *done = 0;
- WARN_ON_ONCE(!budget);
- while (budget) {
- skb = qeth_core_get_next_skb(card,
- &card->qdio.in_q->bufs[card->rx.b_index],
- &card->rx.b_element, &card->rx.e_offset, &hdr);
- if (!skb) {
- *done = 1;
- break;
- }
- switch (hdr->hdr.l3.id) {
- case QETH_HEADER_TYPE_LAYER3:
- magic = *(__u16 *)skb->data;
- if ((card->info.type == QETH_CARD_TYPE_IQD) &&
- (magic == ETH_P_AF_IUCV)) {
- len = skb->len;
- dev_hard_header(skb, dev, ETH_P_AF_IUCV,
- dev->dev_addr, "FAKELL", len);
- skb->protocol = eth_type_trans(skb, dev);
- netif_receive_skb(skb);
- } else {
- qeth_l3_rebuild_skb(card, skb, hdr);
- len = skb->len;
- napi_gro_receive(&card->napi, skb);
- }
- break;
- case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */
- skb->protocol = eth_type_trans(skb, skb->dev);
- len = skb->len;
- netif_receive_skb(skb);
- break;
- default:
- dev_kfree_skb_any(skb);
- QETH_CARD_TEXT(card, 3, "inbunkno");
- QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr));
- continue;
- }
- work_done++;
- budget--;
- card->stats.rx_packets++;
- card->stats.rx_bytes += len;
- }
- return work_done;
-}
-
-static void qeth_l3_stop_card(struct qeth_card *card, int recovery_mode)
-{
- QETH_DBF_TEXT(SETUP, 2, "stopcard");
- QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
-
- qeth_set_allowed_threads(card, 0, 1);
- if (card->options.sniffer &&
- (card->info.promisc_mode == SET_PROMISC_MODE_ON))
- qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE);
- if (card->read.state == CH_STATE_UP &&
- card->write.state == CH_STATE_UP &&
- (card->state == CARD_STATE_UP)) {
- if (recovery_mode)
- qeth_stop(card->dev);
- else {
- rtnl_lock();
- dev_close(card->dev);
- rtnl_unlock();
- }
- card->state = CARD_STATE_SOFTSETUP;
- }
- if (card->state == CARD_STATE_SOFTSETUP) {
- qeth_l3_clear_ip_htable(card, 1);
- qeth_clear_ipacmd_list(card);
- card->state = CARD_STATE_HARDSETUP;
- }
- if (card->state == CARD_STATE_HARDSETUP) {
- qeth_qdio_clear_card(card, 0);
- qeth_clear_qdio_buffers(card);
- qeth_clear_working_pool_list(card);
- card->state = CARD_STATE_DOWN;
- }
- if (card->state == CARD_STATE_DOWN) {
- qeth_clear_cmd_buffers(&card->read);
- qeth_clear_cmd_buffers(&card->write);
- }
-}
-
-/*
- * test for and Switch promiscuous mode (on or off)
- * either for guestlan or HiperSocket Sniffer
- */
-static void
-qeth_l3_handle_promisc_mode(struct qeth_card *card)
+static void qeth_l3_set_promisc_mode(struct qeth_card *card)
{
- struct net_device *dev = card->dev;
+ bool enable = card->dev->flags & IFF_PROMISC;
- 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)))
+ if (card->info.promisc_mode == enable)
return;
- if (card->info.guestlan) { /* Guestlan trace */
+ if (IS_VM_NIC(card)) { /* Guestlan trace */
if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
- qeth_setadp_promisc_mode(card);
+ qeth_setadp_promisc_mode(card, enable);
} else if (card->options.sniffer && /* HiperSockets trace */
qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) {
- if (dev->flags & IFF_PROMISC) {
+ if (enable) {
QETH_CARD_TEXT(card, 3, "+promisc");
qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE);
} else {
@@ -1460,9 +1149,10 @@ qeth_l3_handle_promisc_mode(struct qeth_card *card)
}
}
-static void qeth_l3_set_rx_mode(struct net_device *dev)
+static void qeth_l3_rx_mode_work(struct work_struct *work)
{
- struct qeth_card *card = dev->ml_priv;
+ struct qeth_card *card = container_of(work, struct qeth_card,
+ rx_mode_work);
struct qeth_ipaddr *addr;
struct hlist_node *tmp;
int i, rc;
@@ -1470,44 +1160,40 @@ static void qeth_l3_set_rx_mode(struct net_device *dev)
QETH_CARD_TEXT(card, 3, "setmulti");
if (!card->options.sniffer) {
- spin_lock_bh(&card->mclock);
-
- qeth_l3_add_multicast_ipv4(card);
- qeth_l3_add_multicast_ipv6(card);
+ rtnl_lock();
+ qeth_l3_add_mcast_rtnl(card->dev, 0, card);
+ if (qeth_is_supported(card, IPA_FULL_VLAN))
+ vlan_for_each(card->dev, qeth_l3_add_mcast_rtnl, card);
+ rtnl_unlock();
- hash_for_each_safe(card->ip_mc_htable, i, tmp, addr, hnode) {
+ hash_for_each_safe(card->rx_mode_addrs, i, tmp, addr, hnode) {
switch (addr->disp_flag) {
case QETH_DISP_ADDR_DELETE:
rc = qeth_l3_deregister_addr_entry(card, addr);
- if (!rc || rc == IPA_RC_MC_ADDR_NOT_FOUND) {
+ if (!rc || rc == -ENOENT) {
hash_del(&addr->hnode);
kfree(addr);
}
break;
case QETH_DISP_ADDR_ADD:
rc = qeth_l3_register_addr_entry(card, addr);
- if (rc && rc != IPA_RC_LAN_OFFLINE) {
+ if (rc && rc != -ENETDOWN) {
hash_del(&addr->hnode);
kfree(addr);
break;
}
- addr->ref_counter = 1;
- /* fall through */
+ fallthrough;
default:
/* for next call to set_rx_mode(): */
addr->disp_flag = QETH_DISP_ADDR_DELETE;
}
}
-
- spin_unlock_bh(&card->mclock);
-
- if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
- return;
}
- qeth_l3_handle_promisc_mode(card);
+
+ qeth_l3_set_promisc_mode(card);
}
-static int qeth_l3_arp_makerc(int rc)
+static int qeth_l3_arp_makerc(u16 rc)
{
switch (rc) {
case IPA_RC_SUCCESS:
@@ -1524,8 +1210,18 @@ static int qeth_l3_arp_makerc(int rc)
}
}
+static int qeth_l3_arp_cmd_cb(struct qeth_card *card, struct qeth_reply *reply,
+ unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
+
+ qeth_setassparms_cb(card, reply, data);
+ return qeth_l3_arp_makerc(cmd->hdr.return_code);
+}
+
static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries)
{
+ struct qeth_cmd_buffer *iob;
int rc;
QETH_CARD_TEXT(card, 3, "arpstnoe");
@@ -1535,18 +1231,25 @@ static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries)
* IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
* thus we say EOPNOTSUPP for this ARP function
*/
- if (card->info.guestlan)
+ if (IS_VM_NIC(card))
return -EOPNOTSUPP;
if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) {
return -EOPNOTSUPP;
}
- rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
- IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
- no_entries);
+
+ iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
+ IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
+ SETASS_DATA_SIZEOF(flags_32bit),
+ QETH_PROT_IPV4);
+ if (!iob)
+ return -ENOMEM;
+
+ __ipa_cmd(iob)->data.setassparms.data.flags_32bit = (u32) no_entries;
+ rc = qeth_send_ipa_cmd(card, iob, qeth_l3_arp_cmd_cb, NULL);
if (rc)
QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on device %x: %#x\n",
CARD_DEVID(card), rc);
- return qeth_l3_arp_makerc(rc);
+ return rc;
}
static __u32 get_arp_entry_size(struct qeth_card *card,
@@ -1597,7 +1300,6 @@ static int qeth_l3_arp_query_cb(struct qeth_card *card,
struct qeth_ipa_cmd *cmd;
struct qeth_arp_query_data *qdata;
struct qeth_arp_query_info *qinfo;
- int i;
int e;
int entrybytes_done;
int stripped_bytes;
@@ -1611,13 +1313,13 @@ static int qeth_l3_arp_query_cb(struct qeth_card *card,
if (cmd->hdr.return_code) {
QETH_CARD_TEXT(card, 4, "arpcberr");
QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code);
- return 0;
+ return qeth_l3_arp_makerc(cmd->hdr.return_code);
}
if (cmd->data.setassparms.hdr.return_code) {
cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
QETH_CARD_TEXT(card, 4, "setaperr");
QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code);
- return 0;
+ return qeth_l3_arp_makerc(cmd->hdr.return_code);
}
qdata = &cmd->data.setassparms.data.query_arp;
QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries);
@@ -1644,9 +1346,9 @@ static int qeth_l3_arp_query_cb(struct qeth_card *card,
break;
if ((qinfo->udata_len - qinfo->udata_offset) < esize) {
- QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM);
- cmd->hdr.return_code = IPA_RC_ENOMEM;
- goto out_error;
+ QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOSPC);
+ memset(qinfo->udata, 0, 4);
+ return -ENOSPC;
}
memcpy(qinfo->udata + qinfo->udata_offset,
@@ -1669,10 +1371,6 @@ static int qeth_l3_arp_query_cb(struct qeth_card *card,
memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2);
QETH_CARD_TEXT_(card, 4, "rc%i", 0);
return 0;
-out_error:
- i = 0;
- memcpy(qinfo->udata, &i, 4);
- return 0;
}
static int qeth_l3_query_arp_cache_info(struct qeth_card *card,
@@ -1687,20 +1385,16 @@ static int qeth_l3_query_arp_cache_info(struct qeth_card *card,
iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
IPA_CMD_ASS_ARP_QUERY_INFO,
- sizeof(struct qeth_arp_query_data)
- - sizeof(char),
- prot);
+ SETASS_DATA_SIZEOF(query_arp), prot);
if (!iob)
return -ENOMEM;
cmd = __ipa_cmd(iob);
cmd->data.setassparms.data.query_arp.request_bits = 0x000F;
- rc = qeth_send_control_data(card,
- QETH_SETASS_BASE_LEN + QETH_ARP_CMD_LEN,
- iob, qeth_l3_arp_query_cb, qinfo);
+ rc = qeth_send_ipa_cmd(card, iob, qeth_l3_arp_query_cb, qinfo);
if (rc)
QETH_DBF_MESSAGE(2, "Error while querying ARP cache on device %x: %#x\n",
CARD_DEVID(card), rc);
- return qeth_l3_arp_makerc(rc);
+ return rc;
}
static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata)
@@ -1768,30 +1462,31 @@ static int qeth_l3_arp_modify_entry(struct qeth_card *card,
* IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
* thus we say EOPNOTSUPP for this ARP function
*/
- if (card->info.guestlan)
+ if (IS_VM_NIC(card))
return -EOPNOTSUPP;
if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) {
return -EOPNOTSUPP;
}
iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, arp_cmd,
- sizeof(*cmd_entry), QETH_PROT_IPV4);
+ SETASS_DATA_SIZEOF(arp_entry),
+ QETH_PROT_IPV4);
if (!iob)
return -ENOMEM;
cmd_entry = &__ipa_cmd(iob)->data.setassparms.data.arp_entry;
ether_addr_copy(cmd_entry->macaddr, entry->macaddr);
memcpy(cmd_entry->ipaddr, entry->ipaddr, 4);
- rc = qeth_send_ipa_cmd(card, iob, qeth_setassparms_cb, NULL);
+ rc = qeth_send_ipa_cmd(card, iob, qeth_l3_arp_cmd_cb, NULL);
if (rc)
QETH_DBF_MESSAGE(2, "Could not modify (cmd: %#x) ARP entry on device %x: %#x\n",
arp_cmd, CARD_DEVID(card), rc);
-
- return qeth_l3_arp_makerc(rc);
+ return rc;
}
static int qeth_l3_arp_flush_cache(struct qeth_card *card)
{
+ struct qeth_cmd_buffer *iob;
int rc;
QETH_CARD_TEXT(card, 3, "arpflush");
@@ -1801,20 +1496,27 @@ static int qeth_l3_arp_flush_cache(struct qeth_card *card)
* IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
* thus we say EOPNOTSUPP for this ARP function
*/
- if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
+ if (IS_VM_NIC(card) || IS_IQD(card))
return -EOPNOTSUPP;
if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) {
return -EOPNOTSUPP;
}
- rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
- IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
+
+ iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
+ IPA_CMD_ASS_ARP_FLUSH_CACHE, 0,
+ QETH_PROT_IPV4);
+ if (!iob)
+ return -ENOMEM;
+
+ rc = qeth_send_ipa_cmd(card, iob, qeth_l3_arp_cmd_cb, NULL);
if (rc)
QETH_DBF_MESSAGE(2, "Could not flush ARP cache on device %x: %#x\n",
CARD_DEVID(card), rc);
- return qeth_l3_arp_makerc(rc);
+ return rc;
}
-static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+static int qeth_l3_ndo_siocdevprivate(struct net_device *dev, struct ifreq *rq,
+ void __user *data, int cmd)
{
struct qeth_card *card = dev->ml_priv;
struct qeth_arp_cache_entry arp_entry;
@@ -1834,13 +1536,13 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
rc = -EPERM;
break;
}
- rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data);
+ rc = qeth_l3_arp_query(card, data);
break;
case SIOC_QETH_ARP_ADD_ENTRY:
case SIOC_QETH_ARP_REMOVE_ENTRY:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- if (copy_from_user(&arp_entry, rq->ifr_data, sizeof(arp_entry)))
+ if (copy_from_user(&arp_entry, data, sizeof(arp_entry)))
return -EFAULT;
arp_cmd = (cmd == SIOC_QETH_ARP_ADD_ENTRY) ?
@@ -1855,24 +1557,22 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
rc = qeth_l3_arp_flush_cache(card);
break;
default:
- rc = -EOPNOTSUPP;
+ rc = qeth_siocdevprivate(dev, rq, data, cmd);
}
return rc;
}
-static int qeth_l3_get_cast_type(struct sk_buff *skb)
+static int qeth_l3_get_cast_type_rcu(struct sk_buff *skb, struct dst_entry *dst,
+ __be16 proto)
{
struct neighbour *n = NULL;
- struct dst_entry *dst;
- rcu_read_lock();
- dst = skb_dst(skb);
if (dst)
n = dst_neigh_lookup_skb(dst, skb);
+
if (n) {
int cast_type = n->type;
- rcu_read_unlock();
neigh_release(n);
if ((cast_type == RTN_BROADCAST) ||
(cast_type == RTN_MULTICAST) ||
@@ -1880,28 +1580,38 @@ static int qeth_l3_get_cast_type(struct sk_buff *skb)
return cast_type;
return RTN_UNICAST;
}
- rcu_read_unlock();
/* no neighbour (eg AF_PACKET), fall back to target's IP address ... */
- switch (qeth_get_ip_version(skb)) {
- case 4:
+ switch (proto) {
+ case htons(ETH_P_IP):
+ if (ipv4_is_lbcast(ip_hdr(skb)->daddr))
+ return RTN_BROADCAST;
return ipv4_is_multicast(ip_hdr(skb)->daddr) ?
RTN_MULTICAST : RTN_UNICAST;
- case 6:
+ case htons(ETH_P_IPV6):
return ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr) ?
RTN_MULTICAST : RTN_UNICAST;
- default:
- /* ... and MAC address */
- if (ether_addr_equal_64bits(eth_hdr(skb)->h_dest,
- skb->dev->broadcast))
- return RTN_BROADCAST;
- if (is_multicast_ether_addr(eth_hdr(skb)->h_dest))
- return RTN_MULTICAST;
- /* default to unicast */
+ case htons(ETH_P_AF_IUCV):
return RTN_UNICAST;
+ default:
+ /* OSA only: ... and MAC address */
+ return qeth_get_ether_cast_type(skb);
}
}
+static int qeth_l3_get_cast_type(struct sk_buff *skb, __be16 proto)
+{
+ struct dst_entry *dst;
+ int cast_type;
+
+ rcu_read_lock();
+ dst = qeth_dst_check_rcu(skb, proto);
+ cast_type = qeth_l3_get_cast_type_rcu(skb, dst, proto);
+ rcu_read_unlock();
+
+ return cast_type;
+}
+
static u8 qeth_l3_cast_type_to_flag(int cast_type)
{
if (cast_type == RTN_MULTICAST)
@@ -1913,12 +1623,15 @@ static u8 qeth_l3_cast_type_to_flag(int cast_type)
return QETH_CAST_UNICAST;
}
-static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
- struct sk_buff *skb, int ipv, int cast_type,
- unsigned int data_len)
+static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue,
+ struct qeth_hdr *hdr, struct sk_buff *skb,
+ __be16 proto, unsigned int data_len)
{
struct qeth_hdr_layer3 *l3_hdr = &hdr->hdr.l3;
struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
+ struct qeth_card *card = queue->card;
+ struct dst_entry *dst;
+ int cast_type;
hdr->hdr.l3.length = data_len;
@@ -1927,25 +1640,15 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
} else {
hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
- if (skb->protocol == htons(ETH_P_AF_IUCV)) {
- l3_hdr->flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST;
- l3_hdr->next_hop.ipv6_addr.s6_addr16[0] = htons(0xfe80);
- memcpy(&l3_hdr->next_hop.ipv6_addr.s6_addr32[2],
- iucv_trans_hdr(skb)->destUserID, 8);
- return;
- }
-
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- qeth_tx_csum(skb, &hdr->hdr.l3.ext_flags, ipv);
+ qeth_tx_csum(skb, &hdr->hdr.l3.ext_flags, proto);
/* some HW requires combined L3+L4 csum offload: */
- if (ipv == 4)
+ if (proto == htons(ETH_P_IP))
hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_HDR_REQ;
- if (card->options.performance_stats)
- card->perf_stats.tx_csum++;
}
}
- if (ipv == 4 || IS_IQD(card)) {
+ if (proto == htons(ETH_P_IP) || IS_IQD(card)) {
/* NETIF_F_HW_VLAN_CTAG_TX */
if (skb_vlan_tag_present(skb)) {
hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_VLAN_FRAME;
@@ -1956,38 +1659,36 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
hdr->hdr.l3.vlan_id = ntohs(veth->h_vlan_TCI);
}
- /* OSA only: */
- if (!ipv) {
- hdr->hdr.l3.flags = QETH_HDR_PASSTHRU;
- if (ether_addr_equal_64bits(eth_hdr(skb)->h_dest,
- skb->dev->broadcast))
- hdr->hdr.l3.flags |= QETH_CAST_BROADCAST;
- else
- hdr->hdr.l3.flags |= (cast_type == RTN_MULTICAST) ?
- QETH_CAST_MULTICAST : QETH_CAST_UNICAST;
- return;
- }
-
- hdr->hdr.l3.flags = qeth_l3_cast_type_to_flag(cast_type);
rcu_read_lock();
- if (ipv == 4) {
- struct rtable *rt = skb_rtable(skb);
+ dst = qeth_dst_check_rcu(skb, proto);
- *((__be32 *) &hdr->hdr.l3.next_hop.ipv4.addr) = (rt) ?
- rt_nexthop(rt, ip_hdr(skb)->daddr) :
- ip_hdr(skb)->daddr;
- } else {
- /* IPv6 */
- const struct rt6_info *rt = skb_rt6_info(skb);
+ if (IS_IQD(card) && skb_get_queue_mapping(skb) != QETH_IQD_MCAST_TXQ)
+ cast_type = RTN_UNICAST;
+ else
+ cast_type = qeth_l3_get_cast_type_rcu(skb, dst, proto);
+ l3_hdr->flags |= qeth_l3_cast_type_to_flag(cast_type);
- if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
- l3_hdr->next_hop.ipv6_addr = rt->rt6i_gateway;
- else
- l3_hdr->next_hop.ipv6_addr = ipv6_hdr(skb)->daddr;
+ switch (proto) {
+ case htons(ETH_P_IP):
+ l3_hdr->next_hop.addr.s6_addr32[3] =
+ qeth_next_hop_v4_rcu(skb, dst);
+ break;
+ case htons(ETH_P_IPV6):
+ l3_hdr->next_hop.addr = *qeth_next_hop_v6_rcu(skb, dst);
hdr->hdr.l3.flags |= QETH_HDR_IPV6;
- if (card->info.type != QETH_CARD_TYPE_IQD)
+ if (!IS_IQD(card))
hdr->hdr.l3.flags |= QETH_HDR_PASSTHRU;
+ break;
+ case htons(ETH_P_AF_IUCV):
+ l3_hdr->next_hop.addr.s6_addr16[0] = htons(0xfe80);
+ memcpy(&l3_hdr->next_hop.addr.s6_addr32[2],
+ iucv_trans_hdr(skb)->destUserID, 8);
+ l3_hdr->flags |= QETH_HDR_IPV6;
+ break;
+ default:
+ /* OSA only: */
+ l3_hdr->flags |= QETH_HDR_PASSTHRU;
}
rcu_read_unlock();
}
@@ -2007,9 +1708,8 @@ static void qeth_l3_fixup_headers(struct sk_buff *skb)
}
static int qeth_l3_xmit(struct qeth_card *card, struct sk_buff *skb,
- struct qeth_qdio_out_q *queue, int ipv, int cast_type)
+ struct qeth_qdio_out_q *queue, __be16 proto)
{
- unsigned char eth_hdr[ETH_HLEN];
unsigned int hw_hdr_len;
int rc;
@@ -2019,88 +1719,70 @@ static int qeth_l3_xmit(struct qeth_card *card, struct sk_buff *skb,
rc = skb_cow_head(skb, hw_hdr_len - ETH_HLEN);
if (rc)
return rc;
- skb_copy_from_linear_data(skb, eth_hdr, ETH_HLEN);
skb_pull(skb, ETH_HLEN);
qeth_l3_fixup_headers(skb);
- rc = qeth_xmit(card, skb, queue, ipv, cast_type, qeth_l3_fill_header);
- if (rc == -EBUSY) {
- /* roll back to ETH header */
- skb_push(skb, ETH_HLEN);
- skb_copy_to_linear_data(skb, eth_hdr, ETH_HLEN);
- }
- return rc;
+ return qeth_xmit(card, skb, queue, proto, qeth_l3_fill_header);
}
static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- int cast_type = qeth_l3_get_cast_type(skb);
struct qeth_card *card = dev->ml_priv;
- int ipv = qeth_get_ip_version(skb);
+ __be16 proto = vlan_get_protocol(skb);
+ u16 txq = skb_get_queue_mapping(skb);
struct qeth_qdio_out_q *queue;
- int tx_bytes = skb->len;
int rc;
+ if (!skb_is_gso(skb))
+ qdisc_skb_cb(skb)->pkt_len = skb->len;
if (IS_IQD(card)) {
+ queue = card->qdio.out_qs[qeth_iqd_translate_txq(dev, txq)];
+
if (card->options.sniffer)
goto tx_drop;
- if ((card->options.cq != QETH_CQ_ENABLED && !ipv) ||
- (card->options.cq == QETH_CQ_ENABLED &&
- skb->protocol != htons(ETH_P_AF_IUCV)))
- goto tx_drop;
- }
- if (card->state != CARD_STATE_UP) {
- card->stats.tx_carrier_errors++;
- goto tx_drop;
+ switch (proto) {
+ case htons(ETH_P_AF_IUCV):
+ if (card->options.cq != QETH_CQ_ENABLED)
+ goto tx_drop;
+ break;
+ case htons(ETH_P_IP):
+ case htons(ETH_P_IPV6):
+ if (card->options.cq == QETH_CQ_ENABLED)
+ goto tx_drop;
+ break;
+ default:
+ goto tx_drop;
+ }
+ } else {
+ queue = card->qdio.out_qs[txq];
}
- if (cast_type == RTN_BROADCAST && !card->info.broadcast_capable)
+ if (!(dev->flags & IFF_BROADCAST) &&
+ qeth_l3_get_cast_type(skb, proto) == RTN_BROADCAST)
goto tx_drop;
- queue = qeth_get_tx_queue(card, skb, ipv, cast_type);
-
- if (card->options.performance_stats) {
- card->perf_stats.outbound_cnt++;
- card->perf_stats.outbound_start_time = qeth_get_micros();
- }
- netif_stop_queue(dev);
-
- if (ipv == 4 || IS_IQD(card))
- rc = qeth_l3_xmit(card, skb, queue, ipv, cast_type);
+ if (proto == htons(ETH_P_IP) || IS_IQD(card))
+ rc = qeth_l3_xmit(card, skb, queue, proto);
else
- rc = qeth_xmit(card, skb, queue, ipv, cast_type,
- qeth_l3_fill_header);
+ rc = qeth_xmit(card, skb, queue, proto, qeth_l3_fill_header);
- if (!rc) {
- card->stats.tx_packets++;
- card->stats.tx_bytes += tx_bytes;
- if (card->options.performance_stats)
- card->perf_stats.outbound_time += qeth_get_micros() -
- card->perf_stats.outbound_start_time;
- netif_wake_queue(dev);
+ if (!rc)
return NETDEV_TX_OK;
- } else if (rc == -EBUSY) {
- return NETDEV_TX_BUSY;
- } /* else fall through */
tx_drop:
- card->stats.tx_dropped++;
- card->stats.tx_errors++;
- dev_kfree_skb_any(skb);
- netif_wake_queue(dev);
+ QETH_TXQ_STAT_INC(queue, tx_dropped);
+ kfree_skb(skb);
return NETDEV_TX_OK;
}
-static const struct ethtool_ops qeth_l3_ethtool_ops = {
- .get_link = ethtool_op_get_link,
- .get_strings = qeth_core_get_strings,
- .get_ethtool_stats = qeth_core_get_ethtool_stats,
- .get_sset_count = qeth_core_get_sset_count,
- .get_drvinfo = qeth_core_get_drvinfo,
- .get_link_ksettings = qeth_core_ethtool_get_link_ksettings,
-};
+static void qeth_l3_set_rx_mode(struct net_device *dev)
+{
+ struct qeth_card *card = dev->ml_priv;
+
+ schedule_work(&card->rx_mode_work);
+}
/*
* we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting
@@ -2130,64 +1812,65 @@ static netdev_features_t qeth_l3_osa_features_check(struct sk_buff *skb,
struct net_device *dev,
netdev_features_t features)
{
- if (qeth_get_ip_version(skb) != 4)
+ if (vlan_get_protocol(skb) != htons(ETH_P_IP))
features &= ~NETIF_F_HW_VLAN_CTAG_TX;
return qeth_features_check(skb, dev, features);
}
+static u16 qeth_l3_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
+ struct net_device *sb_dev)
+{
+ __be16 proto = vlan_get_protocol(skb);
+
+ return qeth_iqd_select_queue(dev, skb,
+ qeth_l3_get_cast_type(skb, proto), sb_dev);
+}
+
static const struct net_device_ops qeth_l3_netdev_ops = {
.ndo_open = qeth_open,
.ndo_stop = qeth_stop,
- .ndo_get_stats = qeth_get_stats,
+ .ndo_get_stats64 = qeth_get_stats64,
.ndo_start_xmit = qeth_l3_hard_start_xmit,
+ .ndo_select_queue = qeth_l3_iqd_select_queue,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_rx_mode = qeth_l3_set_rx_mode,
- .ndo_do_ioctl = qeth_do_ioctl,
+ .ndo_eth_ioctl = qeth_do_ioctl,
+ .ndo_siocdevprivate = qeth_l3_ndo_siocdevprivate,
.ndo_fix_features = qeth_fix_features,
.ndo_set_features = qeth_set_features,
- .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid,
- .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid,
.ndo_tx_timeout = qeth_tx_timeout,
};
static const struct net_device_ops qeth_l3_osa_netdev_ops = {
.ndo_open = qeth_open,
.ndo_stop = qeth_stop,
- .ndo_get_stats = qeth_get_stats,
+ .ndo_get_stats64 = qeth_get_stats64,
.ndo_start_xmit = qeth_l3_hard_start_xmit,
.ndo_features_check = qeth_l3_osa_features_check,
+ .ndo_select_queue = qeth_osa_select_queue,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_rx_mode = qeth_l3_set_rx_mode,
- .ndo_do_ioctl = qeth_do_ioctl,
+ .ndo_eth_ioctl = qeth_do_ioctl,
+ .ndo_siocdevprivate = qeth_l3_ndo_siocdevprivate,
.ndo_fix_features = qeth_fix_features,
.ndo_set_features = qeth_set_features,
- .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid,
- .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid,
.ndo_tx_timeout = qeth_tx_timeout,
.ndo_neigh_setup = qeth_l3_neigh_setup,
};
-static int qeth_l3_setup_netdev(struct qeth_card *card, bool carrier_ok)
+static int qeth_l3_setup_netdev(struct qeth_card *card)
{
+ struct net_device *dev = card->dev;
unsigned int headroom;
int rc;
- if (card->info.type == QETH_CARD_TYPE_OSD ||
- card->info.type == QETH_CARD_TYPE_OSX) {
- if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) ||
- (card->info.link_type == QETH_LINK_TYPE_HSTR)) {
- pr_info("qeth_l3: ignoring TR device\n");
- return -ENODEV;
- }
-
+ if (IS_OSD(card) || IS_OSX(card)) {
card->dev->netdev_ops = &qeth_l3_osa_netdev_ops;
/*IPv6 address autoconfiguration stuff*/
- qeth_l3_get_unique_id(card);
- if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
- card->dev->dev_id = card->info.unique_id & 0xffff;
+ dev->dev_id = qeth_l3_get_unique_id(card, dev->dev_id);
- if (!card->info.guestlan) {
+ if (!IS_VM_NIC(card)) {
card->dev->features |= NETIF_F_SG;
card->dev->hw_features |= NETIF_F_TSO |
NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
@@ -2211,37 +1894,28 @@ static int qeth_l3_setup_netdev(struct qeth_card *card, bool carrier_ok)
headroom = sizeof(struct qeth_hdr_tso);
else
headroom = sizeof(struct qeth_hdr) + VLAN_HLEN;
- } else if (card->info.type == QETH_CARD_TYPE_IQD) {
+ } else if (IS_IQD(card)) {
card->dev->flags |= IFF_NOARP;
card->dev->netdev_ops = &qeth_l3_netdev_ops;
headroom = sizeof(struct qeth_hdr) - ETH_HLEN;
rc = qeth_l3_iqd_read_initial_mac(card);
if (rc)
- goto out;
+ return rc;
} else
return -ENODEV;
card->dev->needed_headroom = headroom;
- card->dev->ethtool_ops = &qeth_l3_ethtool_ops;
card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX |
- NETIF_F_HW_VLAN_CTAG_RX |
- NETIF_F_HW_VLAN_CTAG_FILTER;
+ NETIF_F_HW_VLAN_CTAG_RX;
netif_keep_dst(card->dev);
if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6))
- netif_set_gso_max_size(card->dev,
+ netif_set_tso_max_size(card->dev,
PAGE_SIZE * (QETH_MAX_BUFFER_ELEMENTS(card) - 1));
- netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT);
- rc = register_netdev(card->dev);
- if (!rc && carrier_ok)
- netif_carrier_on(card->dev);
-
-out:
- if (rc)
- card->dev->netdev_ops = NULL;
- return rc;
+ netif_napi_add(card->dev, &card->napi, qeth_poll);
+ return register_netdev(card->dev);
}
static const struct device_type qeth_l3_devtype = {
@@ -2254,14 +1928,24 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev)
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
int rc;
- if (gdev->dev.type == &qeth_generic_devtype) {
- rc = qeth_l3_create_device_attributes(&gdev->dev);
- if (rc)
+ hash_init(card->ip_htable);
+ mutex_init(&card->ip_lock);
+ card->cmd_wq = alloc_ordered_workqueue("%s_cmd", 0,
+ dev_name(&gdev->dev));
+ if (!card->cmd_wq)
+ return -ENOMEM;
+
+ if (gdev->dev.type) {
+ rc = device_add_groups(&gdev->dev, qeth_l3_attr_groups);
+ if (rc) {
+ destroy_workqueue(card->cmd_wq);
return rc;
+ }
+ } else {
+ gdev->dev.type = &qeth_l3_devtype;
}
- hash_init(card->ip_htable);
- hash_init(card->ip_mc_htable);
- card->info.hwtrap = 0;
+
+ INIT_WORK(&card->rx_mode_work, qeth_l3_rx_mode_work);
return 0;
}
@@ -2269,89 +1953,66 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev)
{
struct qeth_card *card = dev_get_drvdata(&cgdev->dev);
- if (cgdev->dev.type == &qeth_generic_devtype)
- qeth_l3_remove_device_attributes(&cgdev->dev);
+ if (cgdev->dev.type != &qeth_l3_devtype)
+ device_remove_groups(&cgdev->dev, qeth_l3_attr_groups);
qeth_set_allowed_threads(card, 0, 1);
wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
if (cgdev->state == CCWGROUP_ONLINE)
- qeth_l3_set_offline(cgdev);
+ qeth_set_offline(card, card->discipline, false);
- if (qeth_netdev_is_registered(card->dev))
+ if (card->dev->reg_state == NETREG_REGISTERED)
unregister_netdev(card->dev);
+
+ destroy_workqueue(card->cmd_wq);
qeth_l3_clear_ip_htable(card, 0);
qeth_l3_clear_ipato_list(card);
}
-static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
+static int qeth_l3_set_online(struct qeth_card *card, bool carrier_ok)
{
- struct qeth_card *card = dev_get_drvdata(&gdev->dev);
struct net_device *dev = card->dev;
int rc = 0;
- enum qeth_card_states recover_flag;
- bool carrier_ok;
-
- mutex_lock(&card->discipline_mutex);
- mutex_lock(&card->conf_mutex);
- QETH_DBF_TEXT(SETUP, 2, "setonlin");
- QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
-
- recover_flag = card->state;
- rc = qeth_core_hardsetup_card(card, &carrier_ok);
- if (rc) {
- QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc);
- rc = -ENODEV;
- goto out_remove;
- }
-
- if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) {
- if (card->info.hwtrap &&
- qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM))
- card->info.hwtrap = 0;
- } else
- card->info.hwtrap = 0;
-
- card->state = CARD_STATE_HARDSETUP;
- qeth_print_status_message(card);
/* softsetup */
- QETH_DBF_TEXT(SETUP, 2, "softsetp");
+ QETH_CARD_TEXT(card, 2, "softsetp");
rc = qeth_l3_setadapter_parms(card);
if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc);
+ QETH_CARD_TEXT_(card, 2, "2err%04x", rc);
if (!card->options.sniffer) {
- rc = qeth_l3_start_ipassists(card);
- if (rc) {
- QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
- goto out_remove;
- }
+ qeth_l3_start_ipassists(card);
+
rc = qeth_l3_setrouting_v4(card);
if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "4err%04x", rc);
+ QETH_CARD_TEXT_(card, 2, "4err%04x", rc);
rc = qeth_l3_setrouting_v6(card);
if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "5err%04x", rc);
+ QETH_CARD_TEXT_(card, 2, "5err%04x", rc);
}
- rc = qeth_init_qdio_queues(card);
- if (rc) {
- QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
- rc = -ENODEV;
- goto out_remove;
- }
card->state = CARD_STATE_SOFTSETUP;
qeth_set_allowed_threads(card, 0xffffffff, 0);
qeth_l3_recover_ip(card);
- if (!qeth_netdev_is_registered(dev)) {
- rc = qeth_l3_setup_netdev(card, carrier_ok);
+ if (dev->reg_state != NETREG_REGISTERED) {
+ rc = qeth_l3_setup_netdev(card);
if (rc)
- goto out_remove;
+ goto err_setup;
+
+ if (carrier_ok)
+ netif_carrier_on(dev);
} else {
rtnl_lock();
+ rc = qeth_set_real_num_tx_queues(card,
+ qeth_tx_actual_queues(card));
+ if (rc) {
+ rtnl_unlock();
+ goto err_set_queues;
+ }
+
if (carrier_ok)
netif_carrier_on(dev);
else
@@ -2360,157 +2021,37 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
netif_device_attach(dev);
qeth_enable_hw_features(dev);
- if (recover_flag == CARD_STATE_RECOVER) {
- if (recovery_mode) {
- qeth_open(dev);
- qeth_l3_set_rx_mode(dev);
- } else {
- dev_open(dev, NULL);
- }
+ if (netif_running(dev)) {
+ local_bh_disable();
+ napi_schedule(&card->napi);
+ /* kick-start the NAPI softirq: */
+ local_bh_enable();
}
rtnl_unlock();
}
- qeth_trace_features(card);
- /* let user_space know that device is online */
- kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
- mutex_unlock(&card->conf_mutex);
- mutex_unlock(&card->discipline_mutex);
- return 0;
-out_remove:
- qeth_l3_stop_card(card, 0);
- ccw_device_set_offline(CARD_DDEV(card));
- ccw_device_set_offline(CARD_WDEV(card));
- ccw_device_set_offline(CARD_RDEV(card));
- qdio_free(CARD_DDEV(card));
- if (recover_flag == CARD_STATE_RECOVER)
- card->state = CARD_STATE_RECOVER;
- else
- card->state = CARD_STATE_DOWN;
- mutex_unlock(&card->conf_mutex);
- mutex_unlock(&card->discipline_mutex);
- return rc;
-}
-
-static int qeth_l3_set_online(struct ccwgroup_device *gdev)
-{
- return __qeth_l3_set_online(gdev, 0);
-}
-
-static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev,
- int recovery_mode)
-{
- struct qeth_card *card = dev_get_drvdata(&cgdev->dev);
- int rc = 0, rc2 = 0, rc3 = 0;
- enum qeth_card_states recover_flag;
-
- mutex_lock(&card->discipline_mutex);
- mutex_lock(&card->conf_mutex);
- QETH_DBF_TEXT(SETUP, 3, "setoffl");
- QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *));
-
- rtnl_lock();
- netif_device_detach(card->dev);
- netif_carrier_off(card->dev);
- rtnl_unlock();
-
- recover_flag = card->state;
- if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) {
- qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
- card->info.hwtrap = 1;
- }
- qeth_l3_stop_card(card, recovery_mode);
- if ((card->options.cq == QETH_CQ_ENABLED) && card->dev) {
- rtnl_lock();
- call_netdevice_notifiers(NETDEV_REBOOT, card->dev);
- rtnl_unlock();
- }
- rc = ccw_device_set_offline(CARD_DDEV(card));
- rc2 = ccw_device_set_offline(CARD_WDEV(card));
- rc3 = ccw_device_set_offline(CARD_RDEV(card));
- if (!rc)
- rc = (rc2) ? rc2 : rc3;
- if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
- qdio_free(CARD_DDEV(card));
- if (recover_flag == CARD_STATE_UP)
- card->state = CARD_STATE_RECOVER;
- /* let user_space know that device is offline */
- kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE);
- mutex_unlock(&card->conf_mutex);
- mutex_unlock(&card->discipline_mutex);
return 0;
-}
-
-static int qeth_l3_set_offline(struct ccwgroup_device *cgdev)
-{
- return __qeth_l3_set_offline(cgdev, 0);
-}
-
-static int qeth_l3_recover(void *ptr)
-{
- struct qeth_card *card;
- int rc = 0;
-
- card = (struct qeth_card *) ptr;
- QETH_CARD_TEXT(card, 2, "recover1");
- QETH_CARD_HEX(card, 2, &card, sizeof(void *));
- if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
- return 0;
- QETH_CARD_TEXT(card, 2, "recover2");
- dev_warn(&card->gdev->dev,
- "A recovery process has been started for the device\n");
- __qeth_l3_set_offline(card->gdev, 1);
- rc = __qeth_l3_set_online(card->gdev, 1);
- if (!rc)
- dev_info(&card->gdev->dev,
- "Device successfully recovered!\n");
- else {
- qeth_close_dev(card);
- dev_warn(&card->gdev->dev, "The qeth device driver "
- "failed to recover an error on the device\n");
- }
- qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
- qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
- return 0;
-}
-
-static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev)
-{
- struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+err_set_queues:
+err_setup:
qeth_set_allowed_threads(card, 0, 1);
- wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
- if (gdev->state == CCWGROUP_OFFLINE)
- return 0;
- if (card->state == CARD_STATE_UP) {
- if (card->info.hwtrap)
- qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
- __qeth_l3_set_offline(card->gdev, 1);
- } else
- __qeth_l3_set_offline(card->gdev, 0);
- return 0;
+ card->state = CARD_STATE_DOWN;
+ qeth_l3_clear_ip_htable(card, 1);
+ return rc;
}
-static int qeth_l3_pm_resume(struct ccwgroup_device *gdev)
+static void qeth_l3_set_offline(struct qeth_card *card)
{
- struct qeth_card *card = dev_get_drvdata(&gdev->dev);
- int rc = 0;
+ qeth_set_allowed_threads(card, 0, 1);
+ qeth_l3_drain_rx_mode_cache(card);
- if (card->state == CARD_STATE_RECOVER) {
- rc = __qeth_l3_set_online(card->gdev, 1);
- if (rc) {
- rtnl_lock();
- dev_close(card->dev);
- rtnl_unlock();
- }
- } else
- rc = __qeth_l3_set_online(card->gdev, 0);
+ if (card->options.sniffer &&
+ (card->info.promisc_mode == SET_PROMISC_MODE_ON))
+ qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE);
- qeth_set_allowed_threads(card, 0xffffffff, 0);
- if (rc)
- dev_warn(&card->gdev->dev, "The qeth device driver "
- "failed to recover an error on the device\n");
- return rc;
+ if (card->state == CARD_STATE_SOFTSETUP) {
+ card->state = CARD_STATE_DOWN;
+ qeth_l3_clear_ip_htable(card, 1);
+ }
}
/* Returns zero if the command is successfully "consumed" */
@@ -2520,18 +2061,11 @@ static int qeth_l3_control_event(struct qeth_card *card,
return 1;
}
-struct qeth_discipline qeth_l3_discipline = {
- .devtype = &qeth_l3_devtype,
- .process_rx_buffer = qeth_l3_process_inbound_buffer,
- .recover = qeth_l3_recover,
+const struct qeth_discipline qeth_l3_discipline = {
.setup = qeth_l3_probe_device,
.remove = qeth_l3_remove_device,
.set_online = qeth_l3_set_online,
.set_offline = qeth_l3_set_offline,
- .freeze = qeth_l3_pm_suspend,
- .thaw = qeth_l3_pm_resume,
- .restore = qeth_l3_pm_resume,
- .do_ioctl = qeth_l3_do_ioctl,
.control_event_handler = qeth_l3_control_event,
};
EXPORT_SYMBOL_GPL(qeth_l3_discipline);
@@ -2542,20 +2076,40 @@ static int qeth_l3_handle_ip_event(struct qeth_card *card,
{
switch (event) {
case NETDEV_UP:
- spin_lock_bh(&card->ip_lock);
- qeth_l3_add_ip(card, addr);
- spin_unlock_bh(&card->ip_lock);
+ qeth_l3_modify_ip(card, addr, true);
return NOTIFY_OK;
case NETDEV_DOWN:
- spin_lock_bh(&card->ip_lock);
- qeth_l3_delete_ip(card, addr);
- spin_unlock_bh(&card->ip_lock);
+ qeth_l3_modify_ip(card, addr, false);
return NOTIFY_OK;
default:
return NOTIFY_DONE;
}
}
+struct qeth_l3_ip_event_work {
+ struct work_struct work;
+ struct qeth_card *card;
+ struct qeth_ipaddr addr;
+};
+
+#define to_ip_work(w) container_of((w), struct qeth_l3_ip_event_work, work)
+
+static void qeth_l3_add_ip_worker(struct work_struct *work)
+{
+ struct qeth_l3_ip_event_work *ip_work = to_ip_work(work);
+
+ qeth_l3_modify_ip(ip_work->card, &ip_work->addr, true);
+ kfree(work);
+}
+
+static void qeth_l3_delete_ip_worker(struct work_struct *work)
+{
+ struct qeth_l3_ip_event_work *ip_work = to_ip_work(work);
+
+ qeth_l3_modify_ip(ip_work->card, &ip_work->addr, false);
+ kfree(work);
+}
+
static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev)
{
if (is_vlan_dev(dev))
@@ -2569,23 +2123,19 @@ static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev)
static int qeth_l3_ip_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
-
struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
struct net_device *dev = ifa->ifa_dev->dev;
struct qeth_ipaddr addr;
struct qeth_card *card;
- if (dev_net(dev) != &init_net)
- return NOTIFY_DONE;
-
card = qeth_l3_get_card_from_dev(dev);
if (!card)
return NOTIFY_DONE;
QETH_CARD_TEXT(card, 3, "ipevent");
qeth_l3_init_ipaddr(&addr, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV4);
- addr.u.a4.addr = be32_to_cpu(ifa->ifa_address);
- addr.u.a4.mask = be32_to_cpu(ifa->ifa_mask);
+ addr.u.a4.addr = ifa->ifa_address;
+ addr.u.a4.mask = ifa->ifa_mask;
return qeth_l3_handle_ip_event(card, &addr, event);
}
@@ -2600,9 +2150,12 @@ static int qeth_l3_ip6_event(struct notifier_block *this,
{
struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
struct net_device *dev = ifa->idev->dev;
- struct qeth_ipaddr addr;
+ struct qeth_l3_ip_event_work *ip_work;
struct qeth_card *card;
+ if (event != NETDEV_UP && event != NETDEV_DOWN)
+ return NOTIFY_DONE;
+
card = qeth_l3_get_card_from_dev(dev);
if (!card)
return NOTIFY_DONE;
@@ -2610,11 +2163,23 @@ static int qeth_l3_ip6_event(struct notifier_block *this,
if (!qeth_is_supported(card, IPA_IPV6))
return NOTIFY_DONE;
- qeth_l3_init_ipaddr(&addr, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV6);
- addr.u.a6.addr = ifa->addr;
- addr.u.a6.pfxlen = ifa->prefix_len;
+ ip_work = kmalloc(sizeof(*ip_work), GFP_ATOMIC);
+ if (!ip_work)
+ return NOTIFY_DONE;
- return qeth_l3_handle_ip_event(card, &addr, event);
+ if (event == NETDEV_UP)
+ INIT_WORK(&ip_work->work, qeth_l3_add_ip_worker);
+ else
+ INIT_WORK(&ip_work->work, qeth_l3_delete_ip_worker);
+
+ ip_work->card = card;
+ qeth_l3_init_ipaddr(&ip_work->addr, QETH_IP_TYPE_NORMAL,
+ QETH_PROT_IPV6);
+ ip_work->addr.u.a6.addr = ifa->addr;
+ ip_work->addr.u.a6.pfxlen = ifa->prefix_len;
+
+ queue_work(card->cmd_wq, &ip_work->work);
+ return NOTIFY_OK;
}
static struct notifier_block qeth_l3_ip6_notifier = {
generated by cgit (git 2.34.1) at 2025-12-25 00:37:47 +0000