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Diffstat (limited to 'drivers/s390/net/qeth_sys.c')
-rw-r--r--drivers/s390/net/qeth_sys.c1788
1 files changed, 1788 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c
new file mode 100644
index 000000000000..240348398211
--- /dev/null
+++ b/drivers/s390/net/qeth_sys.c
@@ -0,0 +1,1788 @@
+/*
+ *
+ * linux/drivers/s390/net/qeth_sys.c ($Revision: 1.51 $)
+ *
+ * Linux on zSeries OSA Express and HiperSockets support
+ * This file contains code related to sysfs.
+ *
+ * Copyright 2000,2003 IBM Corporation
+ *
+ * Author(s): Thomas Spatzier <tspat@de.ibm.com>
+ * Frank Pavlic <pavlic@de.ibm.com>
+ *
+ */
+#include <linux/list.h>
+#include <linux/rwsem.h>
+
+#include <asm/ebcdic.h>
+
+#include "qeth.h"
+#include "qeth_mpc.h"
+#include "qeth_fs.h"
+
+const char *VERSION_QETH_SYS_C = "$Revision: 1.51 $";
+
+/*****************************************************************************/
+/* */
+/* /sys-fs stuff UNDER DEVELOPMENT !!! */
+/* */
+/*****************************************************************************/
+//low/high watermark
+
+static ssize_t
+qeth_dev_state_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+ if (!card)
+ return -EINVAL;
+
+ switch (card->state) {
+ case CARD_STATE_DOWN:
+ return sprintf(buf, "DOWN\n");
+ case CARD_STATE_HARDSETUP:
+ return sprintf(buf, "HARDSETUP\n");
+ case CARD_STATE_SOFTSETUP:
+ return sprintf(buf, "SOFTSETUP\n");
+ case CARD_STATE_UP:
+ if (card->lan_online)
+ return sprintf(buf, "UP (LAN ONLINE)\n");
+ else
+ return sprintf(buf, "UP (LAN OFFLINE)\n");
+ case CARD_STATE_RECOVER:
+ return sprintf(buf, "RECOVER\n");
+ default:
+ return sprintf(buf, "UNKNOWN\n");
+ }
+}
+
+static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
+
+static ssize_t
+qeth_dev_chpid_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%02X\n", card->info.chpid);
+}
+
+static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
+
+static ssize_t
+qeth_dev_if_name_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+ if (!card)
+ return -EINVAL;
+ return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
+}
+
+static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
+
+static ssize_t
+qeth_dev_card_type_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
+}
+
+static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
+
+static ssize_t
+qeth_dev_portno_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%i\n", card->info.portno);
+}
+
+static ssize_t
+qeth_dev_portno_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+ unsigned int portno;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ portno = simple_strtoul(buf, &tmp, 16);
+ if ((portno < 0) || (portno > MAX_PORTNO)){
+ PRINT_WARN("portno 0x%X is out of range\n", portno);
+ return -EINVAL;
+ }
+
+ card->info.portno = portno;
+ return count;
+}
+
+static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
+
+static ssize_t
+qeth_dev_portname_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+ char portname[9] = {0, };
+
+ if (!card)
+ return -EINVAL;
+
+ if (card->info.portname_required) {
+ memcpy(portname, card->info.portname + 1, 8);
+ EBCASC(portname, 8);
+ return sprintf(buf, "%s\n", portname);
+ } else
+ return sprintf(buf, "no portname required\n");
+}
+
+static ssize_t
+qeth_dev_portname_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+ int i;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ tmp = strsep((char **) &buf, "\n");
+ if ((strlen(tmp) > 8) || (strlen(tmp) < 2))
+ return -EINVAL;
+
+ card->info.portname[0] = strlen(tmp);
+ /* for beauty reasons */
+ for (i = 1; i < 9; i++)
+ card->info.portname[i] = ' ';
+ strcpy(card->info.portname + 1, tmp);
+ ASCEBC(card->info.portname + 1, 8);
+
+ return count;
+}
+
+static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
+ qeth_dev_portname_store);
+
+static ssize_t
+qeth_dev_checksum_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%s checksumming\n", qeth_get_checksum_str(card));
+}
+
+static ssize_t
+qeth_dev_checksum_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ tmp = strsep((char **) &buf, "\n");
+ if (!strcmp(tmp, "sw_checksumming"))
+ card->options.checksum_type = SW_CHECKSUMMING;
+ else if (!strcmp(tmp, "hw_checksumming"))
+ card->options.checksum_type = HW_CHECKSUMMING;
+ else if (!strcmp(tmp, "no_checksumming"))
+ card->options.checksum_type = NO_CHECKSUMMING;
+ else {
+ PRINT_WARN("Unknown checksumming type '%s'\n", tmp);
+ return -EINVAL;
+ }
+ return count;
+}
+
+static DEVICE_ATTR(checksumming, 0644, qeth_dev_checksum_show,
+ qeth_dev_checksum_store);
+
+static ssize_t
+qeth_dev_prioqing_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ switch (card->qdio.do_prio_queueing) {
+ case QETH_PRIO_Q_ING_PREC:
+ return sprintf(buf, "%s\n", "by precedence");
+ case QETH_PRIO_Q_ING_TOS:
+ return sprintf(buf, "%s\n", "by type of service");
+ default:
+ return sprintf(buf, "always queue %i\n",
+ card->qdio.default_out_queue);
+ }
+}
+
+static ssize_t
+qeth_dev_prioqing_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ /* check if 1920 devices are supported ,
+ * if though we have to permit priority queueing
+ */
+ if (card->qdio.no_out_queues == 1) {
+ PRINT_WARN("Priority queueing disabled due "
+ "to hardware limitations!\n");
+ card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
+ return -EPERM;
+ }
+
+ tmp = strsep((char **) &buf, "\n");
+ if (!strcmp(tmp, "prio_queueing_prec"))
+ card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
+ else if (!strcmp(tmp, "prio_queueing_tos"))
+ card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
+ else if (!strcmp(tmp, "no_prio_queueing:0")) {
+ card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
+ card->qdio.default_out_queue = 0;
+ } else if (!strcmp(tmp, "no_prio_queueing:1")) {
+ card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
+ card->qdio.default_out_queue = 1;
+ } else if (!strcmp(tmp, "no_prio_queueing:2")) {
+ card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
+ card->qdio.default_out_queue = 2;
+ } else if (!strcmp(tmp, "no_prio_queueing:3")) {
+ card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
+ card->qdio.default_out_queue = 3;
+ } else if (!strcmp(tmp, "no_prio_queueing")) {
+ card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
+ card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
+ } else {
+ PRINT_WARN("Unknown queueing type '%s'\n", tmp);
+ return -EINVAL;
+ }
+ return count;
+}
+
+static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
+ qeth_dev_prioqing_store);
+
+static ssize_t
+qeth_dev_bufcnt_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
+}
+
+static ssize_t
+qeth_dev_bufcnt_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+ int cnt, old_cnt;
+ int rc;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ old_cnt = card->qdio.in_buf_pool.buf_count;
+ cnt = simple_strtoul(buf, &tmp, 10);
+ cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
+ ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
+ if (old_cnt != cnt) {
+ if ((rc = qeth_realloc_buffer_pool(card, cnt)))
+ PRINT_WARN("Error (%d) while setting "
+ "buffer count.\n", rc);
+ }
+ return count;
+}
+
+static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
+ qeth_dev_bufcnt_store);
+
+static inline ssize_t
+qeth_dev_route_show(struct qeth_card *card, struct qeth_routing_info *route,
+ char *buf)
+{
+ switch (route->type) {
+ case PRIMARY_ROUTER:
+ return sprintf(buf, "%s\n", "primary router");
+ case SECONDARY_ROUTER:
+ return sprintf(buf, "%s\n", "secondary router");
+ case MULTICAST_ROUTER:
+ if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
+ return sprintf(buf, "%s\n", "multicast router+");
+ else
+ return sprintf(buf, "%s\n", "multicast router");
+ case PRIMARY_CONNECTOR:
+ if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
+ return sprintf(buf, "%s\n", "primary connector+");
+ else
+ return sprintf(buf, "%s\n", "primary connector");
+ case SECONDARY_CONNECTOR:
+ if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
+ return sprintf(buf, "%s\n", "secondary connector+");
+ else
+ return sprintf(buf, "%s\n", "secondary connector");
+ default:
+ return sprintf(buf, "%s\n", "no");
+ }
+}
+
+static ssize_t
+qeth_dev_route4_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_route_show(card, &card->options.route4, buf);
+}
+
+static inline ssize_t
+qeth_dev_route_store(struct qeth_card *card, struct qeth_routing_info *route,
+ enum qeth_prot_versions prot, const char *buf, size_t count)
+{
+ enum qeth_routing_types old_route_type = route->type;
+ char *tmp;
+ int rc;
+
+ tmp = strsep((char **) &buf, "\n");
+
+ if (!strcmp(tmp, "no_router")){
+ route->type = NO_ROUTER;
+ } else if (!strcmp(tmp, "primary_connector")) {
+ route->type = PRIMARY_CONNECTOR;
+ } else if (!strcmp(tmp, "secondary_connector")) {
+ route->type = SECONDARY_CONNECTOR;
+ } else if (!strcmp(tmp, "multicast_router")) {
+ route->type = MULTICAST_ROUTER;
+ } else if (!strcmp(tmp, "primary_router")) {
+ route->type = PRIMARY_ROUTER;
+ } else if (!strcmp(tmp, "secondary_router")) {
+ route->type = SECONDARY_ROUTER;
+ } else if (!strcmp(tmp, "multicast_router")) {
+ route->type = MULTICAST_ROUTER;
+ } else {
+ PRINT_WARN("Invalid routing type '%s'.\n", tmp);
+ return -EINVAL;
+ }
+ if (((card->state == CARD_STATE_SOFTSETUP) ||
+ (card->state == CARD_STATE_UP)) &&
+ (old_route_type != route->type)){
+ if (prot == QETH_PROT_IPV4)
+ rc = qeth_setrouting_v4(card);
+ else if (prot == QETH_PROT_IPV6)
+ rc = qeth_setrouting_v6(card);
+ }
+ return count;
+}
+
+static ssize_t
+qeth_dev_route4_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_route_store(card, &card->options.route4,
+ QETH_PROT_IPV4, buf, count);
+}
+
+static DEVICE_ATTR(route4, 0644, qeth_dev_route4_show, qeth_dev_route4_store);
+
+#ifdef CONFIG_QETH_IPV6
+static ssize_t
+qeth_dev_route6_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ if (!qeth_is_supported(card, IPA_IPV6))
+ return sprintf(buf, "%s\n", "n/a");
+
+ return qeth_dev_route_show(card, &card->options.route6, buf);
+}
+
+static ssize_t
+qeth_dev_route6_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ if (!qeth_is_supported(card, IPA_IPV6)){
+ PRINT_WARN("IPv6 not supported for interface %s.\n"
+ "Routing status no changed.\n",
+ QETH_CARD_IFNAME(card));
+ return -ENOTSUPP;
+ }
+
+ return qeth_dev_route_store(card, &card->options.route6,
+ QETH_PROT_IPV6, buf, count);
+}
+
+static DEVICE_ATTR(route6, 0644, qeth_dev_route6_show, qeth_dev_route6_store);
+#endif
+
+static ssize_t
+qeth_dev_add_hhlen_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%i\n", card->options.add_hhlen);
+}
+
+static ssize_t
+qeth_dev_add_hhlen_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+ int i;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ i = simple_strtoul(buf, &tmp, 10);
+ if ((i < 0) || (i > MAX_ADD_HHLEN)) {
+ PRINT_WARN("add_hhlen out of range\n");
+ return -EINVAL;
+ }
+ card->options.add_hhlen = i;
+
+ return count;
+}
+
+static DEVICE_ATTR(add_hhlen, 0644, qeth_dev_add_hhlen_show,
+ qeth_dev_add_hhlen_store);
+
+static ssize_t
+qeth_dev_fake_ll_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%i\n", card->options.fake_ll? 1:0);
+}
+
+static ssize_t
+qeth_dev_fake_ll_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+ int i;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ i = simple_strtoul(buf, &tmp, 16);
+ if ((i != 0) && (i != 1)) {
+ PRINT_WARN("fake_ll: write 0 or 1 to this file!\n");
+ return -EINVAL;
+ }
+ card->options.fake_ll = i;
+ return count;
+}
+
+static DEVICE_ATTR(fake_ll, 0644, qeth_dev_fake_ll_show,
+ qeth_dev_fake_ll_store);
+
+static ssize_t
+qeth_dev_fake_broadcast_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
+}
+
+static ssize_t
+qeth_dev_fake_broadcast_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+ int i;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ i = simple_strtoul(buf, &tmp, 16);
+ if ((i == 0) || (i == 1))
+ card->options.fake_broadcast = i;
+ else {
+ PRINT_WARN("fake_broadcast: write 0 or 1 to this file!\n");
+ return -EINVAL;
+ }
+ return count;
+}
+
+static DEVICE_ATTR(fake_broadcast, 0644, qeth_dev_fake_broadcast_show,
+ qeth_dev_fake_broadcast_store);
+
+static ssize_t
+qeth_dev_recover_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+ int i;
+
+ if (!card)
+ return -EINVAL;
+
+ if (card->state != CARD_STATE_UP)
+ return -EPERM;
+
+ i = simple_strtoul(buf, &tmp, 16);
+ if (i == 1)
+ qeth_schedule_recovery(card);
+
+ return count;
+}
+
+static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
+
+static ssize_t
+qeth_dev_broadcast_mode_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
+ (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
+ return sprintf(buf, "n/a\n");
+
+ return sprintf(buf, "%s\n", (card->options.broadcast_mode ==
+ QETH_TR_BROADCAST_ALLRINGS)?
+ "all rings":"local");
+}
+
+static ssize_t
+qeth_dev_broadcast_mode_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
+ (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
+ PRINT_WARN("Device is not a tokenring device!\n");
+ return -EINVAL;
+ }
+
+ tmp = strsep((char **) &buf, "\n");
+
+ if (!strcmp(tmp, "local")){
+ card->options.broadcast_mode = QETH_TR_BROADCAST_LOCAL;
+ return count;
+ } else if (!strcmp(tmp, "all_rings")) {
+ card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
+ return count;
+ } else {
+ PRINT_WARN("broadcast_mode: invalid mode %s!\n",
+ tmp);
+ return -EINVAL;
+ }
+ return count;
+}
+
+static DEVICE_ATTR(broadcast_mode, 0644, qeth_dev_broadcast_mode_show,
+ qeth_dev_broadcast_mode_store);
+
+static ssize_t
+qeth_dev_canonical_macaddr_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
+ (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
+ return sprintf(buf, "n/a\n");
+
+ return sprintf(buf, "%i\n", (card->options.macaddr_mode ==
+ QETH_TR_MACADDR_CANONICAL)? 1:0);
+}
+
+static ssize_t
+qeth_dev_canonical_macaddr_store(struct device *dev, const char *buf,
+ size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+ int i;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
+ (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
+ PRINT_WARN("Device is not a tokenring device!\n");
+ return -EINVAL;
+ }
+
+ i = simple_strtoul(buf, &tmp, 16);
+ if ((i == 0) || (i == 1))
+ card->options.macaddr_mode = i?
+ QETH_TR_MACADDR_CANONICAL :
+ QETH_TR_MACADDR_NONCANONICAL;
+ else {
+ PRINT_WARN("canonical_macaddr: write 0 or 1 to this file!\n");
+ return -EINVAL;
+ }
+ return count;
+}
+
+static DEVICE_ATTR(canonical_macaddr, 0644, qeth_dev_canonical_macaddr_show,
+ qeth_dev_canonical_macaddr_store);
+
+static ssize_t
+qeth_dev_layer2_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%i\n", card->options.layer2 ? 1:0);
+}
+
+static ssize_t
+qeth_dev_layer2_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+ int i;
+
+ if (!card)
+ return -EINVAL;
+
+ if (((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER)) ||
+ (card->info.type != QETH_CARD_TYPE_OSAE))
+ return -EPERM;
+
+ i = simple_strtoul(buf, &tmp, 16);
+ if ((i == 0) || (i == 1))
+ card->options.layer2 = i;
+ else {
+ PRINT_WARN("layer2: write 0 or 1 to this file!\n");
+ return -EINVAL;
+ }
+ return count;
+}
+
+static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
+ qeth_dev_layer2_store);
+
+static ssize_t
+qeth_dev_large_send_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ switch (card->options.large_send) {
+ case QETH_LARGE_SEND_NO:
+ return sprintf(buf, "%s\n", "no");
+ case QETH_LARGE_SEND_EDDP:
+ return sprintf(buf, "%s\n", "EDDP");
+ case QETH_LARGE_SEND_TSO:
+ return sprintf(buf, "%s\n", "TSO");
+ default:
+ return sprintf(buf, "%s\n", "N/A");
+ }
+}
+
+static ssize_t
+qeth_dev_large_send_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ enum qeth_large_send_types type;
+ int rc = 0;
+ char *tmp;
+
+ if (!card)
+ return -EINVAL;
+
+ tmp = strsep((char **) &buf, "\n");
+
+ if (!strcmp(tmp, "no")){
+ type = QETH_LARGE_SEND_NO;
+ } else if (!strcmp(tmp, "EDDP")) {
+ type = QETH_LARGE_SEND_EDDP;
+ } else if (!strcmp(tmp, "TSO")) {
+ type = QETH_LARGE_SEND_TSO;
+ } else {
+ PRINT_WARN("large_send: invalid mode %s!\n", tmp);
+ return -EINVAL;
+ }
+ if (card->options.large_send == type)
+ return count;
+ card->options.large_send = type;
+ if ((rc = qeth_set_large_send(card)))
+ return rc;
+
+ return count;
+}
+
+static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show,
+ qeth_dev_large_send_store);
+
+static ssize_t
+qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value )
+{
+
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%i\n", value);
+}
+
+static ssize_t
+qeth_dev_blkt_store(struct qeth_card *card, const char *buf, size_t count,
+ int *value, int max_value)
+{
+ char *tmp;
+ int i;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ i = simple_strtoul(buf, &tmp, 10);
+ if (i <= max_value) {
+ *value = i;
+ } else {
+ PRINT_WARN("blkt total time: write values between"
+ " 0 and %d to this file!\n", max_value);
+ return -EINVAL;
+ }
+ return count;
+}
+
+static ssize_t
+qeth_dev_blkt_total_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
+}
+
+
+static ssize_t
+qeth_dev_blkt_total_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ return qeth_dev_blkt_store(card, buf, count,
+ &card->info.blkt.time_total,1000);
+}
+
+
+
+static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
+ qeth_dev_blkt_total_store);
+
+static ssize_t
+qeth_dev_blkt_inter_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
+}
+
+
+static ssize_t
+qeth_dev_blkt_inter_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ return qeth_dev_blkt_store(card, buf, count,
+ &card->info.blkt.inter_packet,100);
+}
+
+static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
+ qeth_dev_blkt_inter_store);
+
+static ssize_t
+qeth_dev_blkt_inter_jumbo_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ return qeth_dev_blkt_show(buf, card,
+ card->info.blkt.inter_packet_jumbo);
+}
+
+
+static ssize_t
+qeth_dev_blkt_inter_jumbo_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ return qeth_dev_blkt_store(card, buf, count,
+ &card->info.blkt.inter_packet_jumbo,100);
+}
+
+static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
+ qeth_dev_blkt_inter_jumbo_store);
+
+static struct device_attribute * qeth_blkt_device_attrs[] = {
+ &dev_attr_total,
+ &dev_attr_inter,
+ &dev_attr_inter_jumbo,
+ NULL,
+};
+
+static struct attribute_group qeth_device_blkt_group = {
+ .name = "blkt",
+ .attrs = (struct attribute **)qeth_blkt_device_attrs,
+};
+
+static struct device_attribute * qeth_device_attrs[] = {
+ &dev_attr_state,
+ &dev_attr_chpid,
+ &dev_attr_if_name,
+ &dev_attr_card_type,
+ &dev_attr_portno,
+ &dev_attr_portname,
+ &dev_attr_checksumming,
+ &dev_attr_priority_queueing,
+ &dev_attr_buffer_count,
+ &dev_attr_route4,
+#ifdef CONFIG_QETH_IPV6
+ &dev_attr_route6,
+#endif
+ &dev_attr_add_hhlen,
+ &dev_attr_fake_ll,
+ &dev_attr_fake_broadcast,
+ &dev_attr_recover,
+ &dev_attr_broadcast_mode,
+ &dev_attr_canonical_macaddr,
+ &dev_attr_layer2,
+ &dev_attr_large_send,
+ NULL,
+};
+
+static struct attribute_group qeth_device_attr_group = {
+ .attrs = (struct attribute **)qeth_device_attrs,
+};
+
+
+#define QETH_DEVICE_ATTR(_id,_name,_mode,_show,_store) \
+struct device_attribute dev_attr_##_id = { \
+ .attr = {.name=__stringify(_name), .mode=_mode, .owner=THIS_MODULE },\
+ .show = _show, \
+ .store = _store, \
+};
+
+int
+qeth_check_layer2(struct qeth_card *card)
+{
+ if (card->options.layer2)
+ return -EPERM;
+ return 0;
+}
+
+
+static ssize_t
+qeth_dev_ipato_enable_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+ return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
+}
+
+static ssize_t
+qeth_dev_ipato_enable_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
+ tmp = strsep((char **) &buf, "\n");
+ if (!strcmp(tmp, "toggle")){
+ card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
+ } else if (!strcmp(tmp, "1")){
+ card->ipato.enabled = 1;
+ } else if (!strcmp(tmp, "0")){
+ card->ipato.enabled = 0;
+ } else {
+ PRINT_WARN("ipato_enable: write 0, 1 or 'toggle' to "
+ "this file\n");
+ return -EINVAL;
+ }
+ return count;
+}
+
+static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
+ qeth_dev_ipato_enable_show,
+ qeth_dev_ipato_enable_store);
+
+static ssize_t
+qeth_dev_ipato_invert4_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
+ return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
+}
+
+static ssize_t
+qeth_dev_ipato_invert4_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+
+ if (!card)
+ return -EINVAL;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
+ tmp = strsep((char **) &buf, "\n");
+ if (!strcmp(tmp, "toggle")){
+ card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
+ } else if (!strcmp(tmp, "1")){
+ card->ipato.invert4 = 1;
+ } else if (!strcmp(tmp, "0")){
+ card->ipato.invert4 = 0;
+ } else {
+ PRINT_WARN("ipato_invert4: write 0, 1 or 'toggle' to "
+ "this file\n");
+ return -EINVAL;
+ }
+ return count;
+}
+
+static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
+ qeth_dev_ipato_invert4_show,
+ qeth_dev_ipato_invert4_store);
+
+static inline ssize_t
+qeth_dev_ipato_add_show(char *buf, struct qeth_card *card,
+ enum qeth_prot_versions proto)
+{
+ struct qeth_ipato_entry *ipatoe;
+ unsigned long flags;
+ char addr_str[40];
+ int entry_len; /* length of 1 entry string, differs between v4 and v6 */
+ int i = 0;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
+ entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
+ /* add strlen for "/<mask>\n" */
+ entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
+ spin_lock_irqsave(&card->ip_lock, flags);
+ list_for_each_entry(ipatoe, &card->ipato.entries, entry){
+ if (ipatoe->proto != proto)
+ continue;
+ /* String must not be longer than PAGE_SIZE. So we check if
+ * string length gets near PAGE_SIZE. Then we can savely display
+ * the next IPv6 address (worst case, compared to IPv4) */
+ if ((PAGE_SIZE - i) <= entry_len)
+ break;
+ qeth_ipaddr_to_string(proto, ipatoe->addr, addr_str);
+ i += snprintf(buf + i, PAGE_SIZE - i,
+ "%s/%i\n", addr_str, ipatoe->mask_bits);
+ }
+ spin_unlock_irqrestore(&card->ip_lock, flags);
+ i += snprintf(buf + i, PAGE_SIZE - i, "\n");
+
+ return i;
+}
+
+static ssize_t
+qeth_dev_ipato_add4_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
+}
+
+static inline int
+qeth_parse_ipatoe(const char* buf, enum qeth_prot_versions proto,
+ u8 *addr, int *mask_bits)
+{
+ const char *start, *end;
+ char *tmp;
+ char buffer[49] = {0, };
+
+ start = buf;
+ /* get address string */
+ end = strchr(start, '/');
+ if (!end){
+ PRINT_WARN("Invalid format for ipato_addx/delx. "
+ "Use <ip addr>/<mask bits>\n");
+ return -EINVAL;
+ }
+ strncpy(buffer, start, end - start);
+ if (qeth_string_to_ipaddr(buffer, proto, addr)){
+ PRINT_WARN("Invalid IP address format!\n");
+ return -EINVAL;
+ }
+ start = end + 1;
+ *mask_bits = simple_strtoul(start, &tmp, 10);
+
+ return 0;
+}
+
+static inline ssize_t
+qeth_dev_ipato_add_store(const char *buf, size_t count,
+ struct qeth_card *card, enum qeth_prot_versions proto)
+{
+ struct qeth_ipato_entry *ipatoe;
+ u8 addr[16];
+ int mask_bits;
+ int rc;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+ if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
+ return rc;
+
+ if (!(ipatoe = kmalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL))){
+ PRINT_WARN("No memory to allocate ipato entry\n");
+ return -ENOMEM;
+ }
+ memset(ipatoe, 0, sizeof(struct qeth_ipato_entry));
+ ipatoe->proto = proto;
+ memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
+ ipatoe->mask_bits = mask_bits;
+
+ if ((rc = qeth_add_ipato_entry(card, ipatoe))){
+ kfree(ipatoe);
+ return rc;
+ }
+
+ return count;
+}
+
+static ssize_t
+qeth_dev_ipato_add4_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
+ qeth_dev_ipato_add4_show,
+ qeth_dev_ipato_add4_store);
+
+static inline ssize_t
+qeth_dev_ipato_del_store(const char *buf, size_t count,
+ struct qeth_card *card, enum qeth_prot_versions proto)
+{
+ u8 addr[16];
+ int mask_bits;
+ int rc;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+ if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
+ return rc;
+
+ qeth_del_ipato_entry(card, proto, addr, mask_bits);
+
+ return count;
+}
+
+static ssize_t
+qeth_dev_ipato_del4_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
+ qeth_dev_ipato_del4_store);
+
+#ifdef CONFIG_QETH_IPV6
+static ssize_t
+qeth_dev_ipato_invert6_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
+ return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
+}
+
+static ssize_t
+qeth_dev_ipato_invert6_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+
+ if (!card)
+ return -EINVAL;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
+ tmp = strsep((char **) &buf, "\n");
+ if (!strcmp(tmp, "toggle")){
+ card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
+ } else if (!strcmp(tmp, "1")){
+ card->ipato.invert6 = 1;
+ } else if (!strcmp(tmp, "0")){
+ card->ipato.invert6 = 0;
+ } else {
+ PRINT_WARN("ipato_invert6: write 0, 1 or 'toggle' to "
+ "this file\n");
+ return -EINVAL;
+ }
+ return count;
+}
+
+static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
+ qeth_dev_ipato_invert6_show,
+ qeth_dev_ipato_invert6_store);
+
+
+static ssize_t
+qeth_dev_ipato_add6_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
+}
+
+static ssize_t
+qeth_dev_ipato_add6_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
+ qeth_dev_ipato_add6_show,
+ qeth_dev_ipato_add6_store);
+
+static ssize_t
+qeth_dev_ipato_del6_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
+ qeth_dev_ipato_del6_store);
+#endif /* CONFIG_QETH_IPV6 */
+
+static struct device_attribute * qeth_ipato_device_attrs[] = {
+ &dev_attr_ipato_enable,
+ &dev_attr_ipato_invert4,
+ &dev_attr_ipato_add4,
+ &dev_attr_ipato_del4,
+#ifdef CONFIG_QETH_IPV6
+ &dev_attr_ipato_invert6,
+ &dev_attr_ipato_add6,
+ &dev_attr_ipato_del6,
+#endif
+ NULL,
+};
+
+static struct attribute_group qeth_device_ipato_group = {
+ .name = "ipa_takeover",
+ .attrs = (struct attribute **)qeth_ipato_device_attrs,
+};
+
+static inline ssize_t
+qeth_dev_vipa_add_show(char *buf, struct qeth_card *card,
+ enum qeth_prot_versions proto)
+{
+ struct qeth_ipaddr *ipaddr;
+ char addr_str[40];
+ int entry_len; /* length of 1 entry string, differs between v4 and v6 */
+ unsigned long flags;
+ int i = 0;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
+ entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
+ entry_len += 2; /* \n + terminator */
+ spin_lock_irqsave(&card->ip_lock, flags);
+ list_for_each_entry(ipaddr, &card->ip_list, entry){
+ if (ipaddr->proto != proto)
+ continue;
+ if (ipaddr->type != QETH_IP_TYPE_VIPA)
+ continue;
+ /* String must not be longer than PAGE_SIZE. So we check if
+ * string length gets near PAGE_SIZE. Then we can savely display
+ * the next IPv6 address (worst case, compared to IPv4) */
+ if ((PAGE_SIZE - i) <= entry_len)
+ break;
+ qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str);
+ i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
+ }
+ spin_unlock_irqrestore(&card->ip_lock, flags);
+ i += snprintf(buf + i, PAGE_SIZE - i, "\n");
+
+ return i;
+}
+
+static ssize_t
+qeth_dev_vipa_add4_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
+}
+
+static inline int
+qeth_parse_vipae(const char* buf, enum qeth_prot_versions proto,
+ u8 *addr)
+{
+ if (qeth_string_to_ipaddr(buf, proto, addr)){
+ PRINT_WARN("Invalid IP address format!\n");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static inline ssize_t
+qeth_dev_vipa_add_store(const char *buf, size_t count,
+ struct qeth_card *card, enum qeth_prot_versions proto)
+{
+ u8 addr[16] = {0, };
+ int rc;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+ if ((rc = qeth_parse_vipae(buf, proto, addr)))
+ return rc;
+
+ if ((rc = qeth_add_vipa(card, proto, addr)))
+ return rc;
+
+ return count;
+}
+
+static ssize_t
+qeth_dev_vipa_add4_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
+ qeth_dev_vipa_add4_show,
+ qeth_dev_vipa_add4_store);
+
+static inline ssize_t
+qeth_dev_vipa_del_store(const char *buf, size_t count,
+ struct qeth_card *card, enum qeth_prot_versions proto)
+{
+ u8 addr[16];
+ int rc;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+ if ((rc = qeth_parse_vipae(buf, proto, addr)))
+ return rc;
+
+ qeth_del_vipa(card, proto, addr);
+
+ return count;
+}
+
+static ssize_t
+qeth_dev_vipa_del4_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
+ qeth_dev_vipa_del4_store);
+
+#ifdef CONFIG_QETH_IPV6
+static ssize_t
+qeth_dev_vipa_add6_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
+}
+
+static ssize_t
+qeth_dev_vipa_add6_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
+ qeth_dev_vipa_add6_show,
+ qeth_dev_vipa_add6_store);
+
+static ssize_t
+qeth_dev_vipa_del6_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
+ return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
+ qeth_dev_vipa_del6_store);
+#endif /* CONFIG_QETH_IPV6 */
+
+static struct device_attribute * qeth_vipa_device_attrs[] = {
+ &dev_attr_vipa_add4,
+ &dev_attr_vipa_del4,
+#ifdef CONFIG_QETH_IPV6
+ &dev_attr_vipa_add6,
+ &dev_attr_vipa_del6,
+#endif
+ NULL,
+};
+
+static struct attribute_group qeth_device_vipa_group = {
+ .name = "vipa",
+ .attrs = (struct attribute **)qeth_vipa_device_attrs,
+};
+
+static inline ssize_t
+qeth_dev_rxip_add_show(char *buf, struct qeth_card *card,
+ enum qeth_prot_versions proto)
+{
+ struct qeth_ipaddr *ipaddr;
+ char addr_str[40];
+ int entry_len; /* length of 1 entry string, differs between v4 and v6 */
+ unsigned long flags;
+ int i = 0;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
+ entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
+ entry_len += 2; /* \n + terminator */
+ spin_lock_irqsave(&card->ip_lock, flags);
+ list_for_each_entry(ipaddr, &card->ip_list, entry){
+ if (ipaddr->proto != proto)
+ continue;
+ if (ipaddr->type != QETH_IP_TYPE_RXIP)
+ continue;
+ /* String must not be longer than PAGE_SIZE. So we check if
+ * string length gets near PAGE_SIZE. Then we can savely display
+ * the next IPv6 address (worst case, compared to IPv4) */
+ if ((PAGE_SIZE - i) <= entry_len)
+ break;
+ qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str);
+ i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
+ }
+ spin_unlock_irqrestore(&card->ip_lock, flags);
+ i += snprintf(buf + i, PAGE_SIZE - i, "\n");
+
+ return i;
+}
+
+static ssize_t
+qeth_dev_rxip_add4_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
+}
+
+static inline int
+qeth_parse_rxipe(const char* buf, enum qeth_prot_versions proto,
+ u8 *addr)
+{
+ if (qeth_string_to_ipaddr(buf, proto, addr)){
+ PRINT_WARN("Invalid IP address format!\n");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static inline ssize_t
+qeth_dev_rxip_add_store(const char *buf, size_t count,
+ struct qeth_card *card, enum qeth_prot_versions proto)
+{
+ u8 addr[16] = {0, };
+ int rc;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+ if ((rc = qeth_parse_rxipe(buf, proto, addr)))
+ return rc;
+
+ if ((rc = qeth_add_rxip(card, proto, addr)))
+ return rc;
+
+ return count;
+}
+
+static ssize_t
+qeth_dev_rxip_add4_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
+ qeth_dev_rxip_add4_show,
+ qeth_dev_rxip_add4_store);
+
+static inline ssize_t
+qeth_dev_rxip_del_store(const char *buf, size_t count,
+ struct qeth_card *card, enum qeth_prot_versions proto)
+{
+ u8 addr[16];
+ int rc;
+
+ if (qeth_check_layer2(card))
+ return -EPERM;
+ if ((rc = qeth_parse_rxipe(buf, proto, addr)))
+ return rc;
+
+ qeth_del_rxip(card, proto, addr);
+
+ return count;
+}
+
+static ssize_t
+qeth_dev_rxip_del4_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
+ qeth_dev_rxip_del4_store);
+
+#ifdef CONFIG_QETH_IPV6
+static ssize_t
+qeth_dev_rxip_add6_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
+}
+
+static ssize_t
+qeth_dev_rxip_add6_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
+ qeth_dev_rxip_add6_show,
+ qeth_dev_rxip_add6_store);
+
+static ssize_t
+qeth_dev_rxip_del6_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
+ qeth_dev_rxip_del6_store);
+#endif /* CONFIG_QETH_IPV6 */
+
+static struct device_attribute * qeth_rxip_device_attrs[] = {
+ &dev_attr_rxip_add4,
+ &dev_attr_rxip_del4,
+#ifdef CONFIG_QETH_IPV6
+ &dev_attr_rxip_add6,
+ &dev_attr_rxip_del6,
+#endif
+ NULL,
+};
+
+static struct attribute_group qeth_device_rxip_group = {
+ .name = "rxip",
+ .attrs = (struct attribute **)qeth_rxip_device_attrs,
+};
+
+int
+qeth_create_device_attributes(struct device *dev)
+{
+ int ret;
+
+ if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group)))
+ return ret;
+ if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group))){
+ sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
+ return ret;
+ }
+ if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group))){
+ sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
+ sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
+ return ret;
+ }
+ if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group))){
+ sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
+ sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
+ sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
+ }
+ if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group)))
+ return ret;
+
+ return ret;
+}
+
+void
+qeth_remove_device_attributes(struct device *dev)
+{
+ sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
+ sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
+ sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
+ sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);
+ sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group);
+}
+
+/**********************/
+/* DRIVER ATTRIBUTES */
+/**********************/
+static ssize_t
+qeth_driver_group_store(struct device_driver *ddrv, const char *buf,
+ size_t count)
+{
+ const char *start, *end;
+ char bus_ids[3][BUS_ID_SIZE], *argv[3];
+ int i;
+ int err;
+
+ start = buf;
+ for (i = 0; i < 3; i++) {
+ static const char delim[] = { ',', ',', '\n' };
+ int len;
+
+ if (!(end = strchr(start, delim[i])))
+ return -EINVAL;
+ len = min_t(ptrdiff_t, BUS_ID_SIZE, end - start);
+ strncpy(bus_ids[i], start, len);
+ bus_ids[i][len] = '\0';
+ start = end + 1;
+ argv[i] = bus_ids[i];
+ }
+ err = ccwgroup_create(qeth_root_dev, qeth_ccwgroup_driver.driver_id,
+ &qeth_ccw_driver, 3, argv);
+ if (err)
+ return err;
+ else
+ return count;
+}
+
+
+static DRIVER_ATTR(group, 0200, 0, qeth_driver_group_store);
+
+static ssize_t
+qeth_driver_notifier_register_store(struct device_driver *ddrv, const char *buf,
+ size_t count)
+{
+ int rc;
+ int signum;
+ char *tmp, *tmp2;
+
+ tmp = strsep((char **) &buf, "\n");
+ if (!strncmp(tmp, "unregister", 10)){
+ if ((rc = qeth_notifier_unregister(current)))
+ return rc;
+ return count;
+ }
+
+ signum = simple_strtoul(tmp, &tmp2, 10);
+ if ((signum < 0) || (signum > 32)){
+ PRINT_WARN("Signal number %d is out of range\n", signum);
+ return -EINVAL;
+ }
+ if ((rc = qeth_notifier_register(current, signum)))
+ return rc;
+
+ return count;
+}
+
+static DRIVER_ATTR(notifier_register, 0200, 0,
+ qeth_driver_notifier_register_store);
+
+int
+qeth_create_driver_attributes(void)
+{
+ int rc;
+
+ if ((rc = driver_create_file(&qeth_ccwgroup_driver.driver,
+ &driver_attr_group)))
+ return rc;
+ return driver_create_file(&qeth_ccwgroup_driver.driver,
+ &driver_attr_notifier_register);
+}
+
+void
+qeth_remove_driver_attributes(void)
+{
+ driver_remove_file(&qeth_ccwgroup_driver.driver,
+ &driver_attr_group);
+ driver_remove_file(&qeth_ccwgroup_driver.driver,
+ &driver_attr_notifier_register);
+}