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path: root/drivers/s390/net/qeth_l2_main.c
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Diffstat (limited to 'drivers/s390/net/qeth_l2_main.c')
-rw-r--r--drivers/s390/net/qeth_l2_main.c1167
1 files changed, 935 insertions, 232 deletions
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 0b763396d5d..5ef5b4f4575 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1,6 +1,4 @@
/*
- * drivers/s390/net/qeth_l2_main.c
- *
* Copyright IBM Corp. 2007, 2009
* Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
* Frank Pavlic <fpavlic@de.ibm.com>,
@@ -16,12 +14,14 @@
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <linux/etherdevice.h>
#include <linux/mii.h>
#include <linux/ip.h>
#include <linux/list.h>
#include "qeth_core.h"
+#include "qeth_l2.h"
static int qeth_l2_set_offline(struct ccwgroup_device *);
static int qeth_l2_stop(struct net_device *);
@@ -33,6 +33,11 @@ static int qeth_l2_send_setdelmac(struct qeth_card *, __u8 *,
unsigned long));
static void qeth_l2_set_multicast_list(struct net_device *);
static int qeth_l2_recover(void *);
+static void qeth_bridgeport_query_support(struct qeth_card *card);
+static void qeth_bridge_state_change(struct qeth_card *card,
+ struct qeth_ipa_cmd *cmd);
+static void qeth_bridge_host_event(struct qeth_card *card,
+ struct qeth_ipa_cmd *cmd);
static int qeth_l2_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
@@ -55,7 +60,9 @@ static int qeth_l2_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
break;
case SIOC_QETH_GET_CARD_TYPE:
- if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
+ if ((card->info.type == QETH_CARD_TYPE_OSD ||
+ card->info.type == QETH_CARD_TYPE_OSM ||
+ card->info.type == QETH_CARD_TYPE_OSX) &&
!card->info.guestlan)
return 1;
return 0;
@@ -72,11 +79,14 @@ static int qeth_l2_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
mii_data->val_out = qeth_mdio_read(dev,
mii_data->phy_id, mii_data->reg_num);
break;
+ case SIOC_QETH_QUERY_OAT:
+ rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data);
+ break;
default:
rc = -EOPNOTSUPP;
}
if (rc)
- QETH_DBF_TEXT_(TRACE, 2, "ioce%d", rc);
+ QETH_CARD_TEXT_(card, 2, "ioce%d", rc);
return rc;
}
@@ -127,7 +137,7 @@ static int qeth_l2_send_setgroupmac_cb(struct qeth_card *card,
struct qeth_ipa_cmd *cmd;
__u8 *mac;
- QETH_DBF_TEXT(TRACE, 2, "L2Sgmacb");
+ QETH_CARD_TEXT(card, 2, "L2Sgmacb");
cmd = (struct qeth_ipa_cmd *) data;
mac = &cmd->data.setdelmac.mac[0];
/* MAC already registered, needed in couple/uncouple case */
@@ -144,7 +154,7 @@ static int qeth_l2_send_setgroupmac_cb(struct qeth_card *card,
static int qeth_l2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
{
- QETH_DBF_TEXT(TRACE, 2, "L2Sgmac");
+ QETH_CARD_TEXT(card, 2, "L2Sgmac");
return qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
qeth_l2_send_setgroupmac_cb);
}
@@ -156,7 +166,7 @@ static int qeth_l2_send_delgroupmac_cb(struct qeth_card *card,
struct qeth_ipa_cmd *cmd;
__u8 *mac;
- QETH_DBF_TEXT(TRACE, 2, "L2Dgmacb");
+ QETH_CARD_TEXT(card, 2, "L2Dgmacb");
cmd = (struct qeth_ipa_cmd *) data;
mac = &cmd->data.setdelmac.mac[0];
if (cmd->hdr.return_code)
@@ -167,7 +177,7 @@ static int qeth_l2_send_delgroupmac_cb(struct qeth_card *card,
static int qeth_l2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
{
- QETH_DBF_TEXT(TRACE, 2, "L2Dgmac");
+ QETH_CARD_TEXT(card, 2, "L2Dgmac");
return qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
qeth_l2_send_delgroupmac_cb);
}
@@ -199,17 +209,19 @@ static void qeth_l2_add_mc(struct qeth_card *card, __u8 *mac, int vmac)
kfree(mc);
}
-static void qeth_l2_del_all_mc(struct qeth_card *card)
+static void qeth_l2_del_all_mc(struct qeth_card *card, int del)
{
struct qeth_mc_mac *mc, *tmp;
spin_lock_bh(&card->mclock);
list_for_each_entry_safe(mc, tmp, &card->mc_list, list) {
- if (mc->is_vmac)
- qeth_l2_send_setdelmac(card, mc->mc_addr,
+ if (del) {
+ if (mc->is_vmac)
+ qeth_l2_send_setdelmac(card, mc->mc_addr,
IPA_CMD_DELVMAC, NULL);
- else
- qeth_l2_send_delgroupmac(card, mc->mc_addr);
+ else
+ qeth_l2_send_delgroupmac(card, mc->mc_addr);
+ }
list_del(&mc->list);
kfree(mc);
}
@@ -229,7 +241,7 @@ static inline int qeth_l2_get_cast_type(struct qeth_card *card,
}
static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
- struct sk_buff *skb, int ipv, int cast_type)
+ struct sk_buff *skb, int cast_type)
{
struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb);
@@ -259,15 +271,14 @@ static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card,
{
struct qeth_ipa_cmd *cmd;
- QETH_DBF_TEXT(TRACE, 2, "L2sdvcb");
+ QETH_CARD_TEXT(card, 2, "L2sdvcb");
cmd = (struct qeth_ipa_cmd *) data;
if (cmd->hdr.return_code) {
QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x. "
"Continuing\n", cmd->data.setdelvlan.vlan_id,
QETH_CARD_IFNAME(card), cmd->hdr.return_code);
- QETH_DBF_TEXT_(TRACE, 2, "L2VL%4x", cmd->hdr.command);
- QETH_DBF_TEXT_(TRACE, 2, "L2%s", CARD_BUS_ID(card));
- QETH_DBF_TEXT_(TRACE, 2, "err%d", cmd->hdr.return_code);
+ QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command);
+ QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code);
}
return 0;
}
@@ -278,7 +289,7 @@ static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i,
struct qeth_ipa_cmd *cmd;
struct qeth_cmd_buffer *iob;
- QETH_DBF_TEXT_(TRACE, 4, "L2sdv%x", ipacmd);
+ QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd);
iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
cmd->data.setdelvlan.vlan_id = i;
@@ -286,31 +297,33 @@ static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i,
qeth_l2_send_setdelvlan_cb, NULL);
}
-static void qeth_l2_process_vlans(struct qeth_card *card, int clear)
+static void qeth_l2_process_vlans(struct qeth_card *card)
{
struct qeth_vlan_vid *id;
- QETH_DBF_TEXT(TRACE, 3, "L2prcvln");
+ QETH_CARD_TEXT(card, 3, "L2prcvln");
spin_lock_bh(&card->vlanlock);
list_for_each_entry(id, &card->vid_list, list) {
- if (clear)
- qeth_l2_send_setdelvlan(card, id->vid,
- IPA_CMD_DELVLAN);
- else
- qeth_l2_send_setdelvlan(card, id->vid,
- IPA_CMD_SETVLAN);
+ qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN);
}
spin_unlock_bh(&card->vlanlock);
}
-static void qeth_l2_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
+static int qeth_l2_vlan_rx_add_vid(struct net_device *dev,
+ __be16 proto, u16 vid)
{
struct qeth_card *card = dev->ml_priv;
struct qeth_vlan_vid *id;
- QETH_DBF_TEXT_(TRACE, 4, "aid:%d", vid);
+ QETH_CARD_TEXT_(card, 4, "aid:%d", vid);
+ if (!vid)
+ return 0;
+ if (card->info.type == QETH_CARD_TYPE_OSM) {
+ QETH_CARD_TEXT(card, 3, "aidOSM");
+ return 0;
+ }
if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
- QETH_DBF_TEXT(TRACE, 3, "aidREC");
- return;
+ QETH_CARD_TEXT(card, 3, "aidREC");
+ return 0;
}
id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC);
if (id) {
@@ -319,18 +332,26 @@ static void qeth_l2_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
spin_lock_bh(&card->vlanlock);
list_add_tail(&id->list, &card->vid_list);
spin_unlock_bh(&card->vlanlock);
+ } else {
+ return -ENOMEM;
}
+ return 0;
}
-static void qeth_l2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
+static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev,
+ __be16 proto, u16 vid)
{
struct qeth_vlan_vid *id, *tmpid = NULL;
struct qeth_card *card = dev->ml_priv;
- QETH_DBF_TEXT_(TRACE, 4, "kid:%d", vid);
+ QETH_CARD_TEXT_(card, 4, "kid:%d", vid);
+ if (card->info.type == QETH_CARD_TYPE_OSM) {
+ QETH_CARD_TEXT(card, 3, "kidOSM");
+ return 0;
+ }
if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
- QETH_DBF_TEXT(TRACE, 3, "kidREC");
- return;
+ QETH_CARD_TEXT(card, 3, "kidREC");
+ return 0;
}
spin_lock_bh(&card->vlanlock);
list_for_each_entry(id, &card->vid_list, list) {
@@ -346,6 +367,7 @@ static void qeth_l2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
kfree(tmpid);
}
qeth_l2_set_multicast_list(card->dev);
+ return 0;
}
static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
@@ -367,19 +389,11 @@ static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
dev_close(card->dev);
rtnl_unlock();
}
- if (!card->use_hard_stop ||
- recovery_mode) {
- __u8 *mac = &card->dev->dev_addr[0];
- rc = qeth_l2_send_delmac(card, mac);
- QETH_DBF_TEXT_(SETUP, 2, "Lerr%d", rc);
- }
+ card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
card->state = CARD_STATE_SOFTSETUP;
}
if (card->state == CARD_STATE_SOFTSETUP) {
- qeth_l2_process_vlans(card, 1);
- if (!card->use_hard_stop ||
- recovery_mode)
- qeth_l2_del_all_mc(card);
+ qeth_l2_del_all_mc(card, 0);
qeth_clear_ipacmd_list(card);
card->state = CARD_STATE_HARDSETUP;
}
@@ -393,45 +407,37 @@ static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
qeth_clear_cmd_buffers(&card->read);
qeth_clear_cmd_buffers(&card->write);
}
- card->use_hard_stop = 0;
return rc;
}
-static void qeth_l2_process_inbound_buffer(struct qeth_card *card,
- struct qeth_qdio_buffer *buf, int index)
+static int qeth_l2_process_inbound_buffer(struct qeth_card *card,
+ int budget, int *done)
{
- struct qdio_buffer_element *element;
+ int work_done = 0;
struct sk_buff *skb;
struct qeth_hdr *hdr;
- int offset;
unsigned int len;
- /* get first element of current buffer */
- element = (struct qdio_buffer_element *)&buf->buffer->element[0];
- offset = 0;
- if (card->options.performance_stats)
- card->perf_stats.bufs_rec++;
- while ((skb = qeth_core_get_next_skb(card, buf->buffer, &element,
- &offset, &hdr))) {
- skb->dev = card->dev;
- /* is device UP ? */
- if (!(card->dev->flags & IFF_UP)) {
- dev_kfree_skb_any(skb);
- continue;
+ *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;
}
-
+ skb->dev = card->dev;
switch (hdr->hdr.l2.id) {
case QETH_HEADER_TYPE_LAYER2:
skb->pkt_type = PACKET_HOST;
skb->protocol = eth_type_trans(skb, skb->dev);
- if (card->options.checksum_type == NO_CHECKSUMMING)
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- else
- skb->ip_summed = CHECKSUM_NONE;
+ skb->ip_summed = CHECKSUM_NONE;
if (skb->protocol == htons(ETH_P_802_2))
*((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
len = skb->len;
- netif_rx(skb);
+ netif_receive_skb(skb);
break;
case QETH_HEADER_TYPE_OSN:
if (card->info.type == QETH_CARD_TYPE_OSN) {
@@ -445,13 +451,91 @@ static void qeth_l2_process_inbound_buffer(struct qeth_card *card,
/* else unknown */
default:
dev_kfree_skb_any(skb);
- QETH_DBF_TEXT(TRACE, 3, "inbunkno");
+ QETH_CARD_TEXT(card, 3, "inbunkno");
QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN);
continue;
}
+ work_done++;
+ budget--;
card->stats.rx_packets++;
card->stats.rx_bytes += len;
}
+ return work_done;
+}
+
+static int qeth_l2_poll(struct napi_struct *napi, int budget)
+{
+ struct qeth_card *card = container_of(napi, struct qeth_card, napi);
+ int work_done = 0;
+ struct qeth_qdio_buffer *buffer;
+ int done;
+ int new_budget = budget;
+
+ if (card->options.performance_stats) {
+ card->perf_stats.inbound_cnt++;
+ card->perf_stats.inbound_start_time = qeth_get_micros();
+ }
+
+ while (1) {
+ if (!card->rx.b_count) {
+ card->rx.qdio_err = 0;
+ card->rx.b_count = qdio_get_next_buffers(
+ card->data.ccwdev, 0, &card->rx.b_index,
+ &card->rx.qdio_err);
+ if (card->rx.b_count <= 0) {
+ card->rx.b_count = 0;
+ break;
+ }
+ card->rx.b_element =
+ &card->qdio.in_q->bufs[card->rx.b_index]
+ .buffer->element[0];
+ card->rx.e_offset = 0;
+ }
+
+ while (card->rx.b_count) {
+ buffer = &card->qdio.in_q->bufs[card->rx.b_index];
+ if (!(card->rx.qdio_err &&
+ qeth_check_qdio_errors(card, buffer->buffer,
+ card->rx.qdio_err, "qinerr")))
+ work_done += qeth_l2_process_inbound_buffer(
+ card, new_budget, &done);
+ else
+ done = 1;
+
+ if (done) {
+ if (card->options.performance_stats)
+ card->perf_stats.bufs_rec++;
+ qeth_put_buffer_pool_entry(card,
+ buffer->pool_entry);
+ qeth_queue_input_buffer(card, card->rx.b_index);
+ card->rx.b_count--;
+ if (card->rx.b_count) {
+ card->rx.b_index =
+ (card->rx.b_index + 1) %
+ QDIO_MAX_BUFFERS_PER_Q;
+ card->rx.b_element =
+ &card->qdio.in_q
+ ->bufs[card->rx.b_index]
+ .buffer->element[0];
+ card->rx.e_offset = 0;
+ }
+ }
+
+ if (work_done >= budget)
+ goto out;
+ else
+ new_budget = budget - work_done;
+ }
+ }
+
+ napi_complete(napi);
+ if (qdio_start_irq(card->data.ccwdev, 0))
+ napi_schedule(&card->napi);
+out:
+ if (card->options.performance_stats)
+ card->perf_stats.inbound_time += qeth_get_micros() -
+ card->perf_stats.inbound_start_time;
+ return work_done;
}
static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac,
@@ -463,7 +547,7 @@ static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac,
struct qeth_ipa_cmd *cmd;
struct qeth_cmd_buffer *iob;
- QETH_DBF_TEXT(TRACE, 2, "L2sdmac");
+ QETH_CARD_TEXT(card, 2, "L2sdmac");
iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
@@ -477,54 +561,41 @@ static int qeth_l2_send_setmac_cb(struct qeth_card *card,
{
struct qeth_ipa_cmd *cmd;
- QETH_DBF_TEXT(TRACE, 2, "L2Smaccb");
+ QETH_CARD_TEXT(card, 2, "L2Smaccb");
cmd = (struct qeth_ipa_cmd *) data;
if (cmd->hdr.return_code) {
- QETH_DBF_TEXT_(TRACE, 2, "L2er%x", cmd->hdr.return_code);
+ QETH_CARD_TEXT_(card, 2, "L2er%x", cmd->hdr.return_code);
card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
switch (cmd->hdr.return_code) {
case IPA_RC_L2_DUP_MAC:
case IPA_RC_L2_DUP_LAYER3_MAC:
dev_warn(&card->gdev->dev,
- "MAC address "
- "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
- "already exists\n",
- card->dev->dev_addr[0], card->dev->dev_addr[1],
- card->dev->dev_addr[2], card->dev->dev_addr[3],
- card->dev->dev_addr[4], card->dev->dev_addr[5]);
+ "MAC address %pM already exists\n",
+ cmd->data.setdelmac.mac);
break;
case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP:
case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP:
dev_warn(&card->gdev->dev,
- "MAC address "
- "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
- "is not authorized\n",
- card->dev->dev_addr[0], card->dev->dev_addr[1],
- card->dev->dev_addr[2], card->dev->dev_addr[3],
- card->dev->dev_addr[4], card->dev->dev_addr[5]);
+ "MAC address %pM is not authorized\n",
+ cmd->data.setdelmac.mac);
break;
default:
break;
}
- cmd->hdr.return_code = -EIO;
} else {
card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
memcpy(card->dev->dev_addr, cmd->data.setdelmac.mac,
OSA_ADDR_LEN);
dev_info(&card->gdev->dev,
- "MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
- "successfully registered on device %s\n",
- card->dev->dev_addr[0], card->dev->dev_addr[1],
- card->dev->dev_addr[2], card->dev->dev_addr[3],
- card->dev->dev_addr[4], card->dev->dev_addr[5],
- card->dev->name);
+ "MAC address %pM successfully registered on device %s\n",
+ card->dev->dev_addr, card->dev->name);
}
return 0;
}
static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac)
{
- QETH_DBF_TEXT(TRACE, 2, "L2Setmac");
+ QETH_CARD_TEXT(card, 2, "L2Setmac");
return qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
qeth_l2_send_setmac_cb);
}
@@ -535,11 +606,10 @@ static int qeth_l2_send_delmac_cb(struct qeth_card *card,
{
struct qeth_ipa_cmd *cmd;
- QETH_DBF_TEXT(TRACE, 2, "L2Dmaccb");
+ QETH_CARD_TEXT(card, 2, "L2Dmaccb");
cmd = (struct qeth_ipa_cmd *) data;
if (cmd->hdr.return_code) {
- QETH_DBF_TEXT_(TRACE, 2, "err%d", cmd->hdr.return_code);
- cmd->hdr.return_code = -EIO;
+ QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code);
return 0;
}
card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
@@ -549,7 +619,7 @@ static int qeth_l2_send_delmac_cb(struct qeth_card *card,
static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac)
{
- QETH_DBF_TEXT(TRACE, 2, "L2Delmac");
+ QETH_CARD_TEXT(card, 2, "L2Delmac");
if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
return 0;
return qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
@@ -564,14 +634,19 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card)
QETH_DBF_TEXT(SETUP, 2, "doL2init");
QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card));
- rc = qeth_query_setadapterparms(card);
- if (rc) {
- QETH_DBF_MESSAGE(2, "could not query adapter parameters on "
- "device %s: x%x\n", CARD_BUS_ID(card), rc);
+ if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) {
+ rc = qeth_query_setadapterparms(card);
+ if (rc) {
+ QETH_DBF_MESSAGE(2, "could not query adapter "
+ "parameters on device %s: x%x\n",
+ CARD_BUS_ID(card), rc);
+ }
}
- if ((card->info.type == QETH_CARD_TYPE_IQD) ||
- (card->info.guestlan)) {
+ if (card->info.type == QETH_CARD_TYPE_IQD ||
+ card->info.type == QETH_CARD_TYPE_OSM ||
+ card->info.type == QETH_CARD_TYPE_OSX ||
+ card->info.guestlan) {
rc = qeth_setadpparms_change_macaddr(card);
if (rc) {
QETH_DBF_MESSAGE(2, "couldn't get MAC address on "
@@ -581,7 +656,7 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card)
}
QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, OSA_ADDR_LEN);
} else {
- random_ether_addr(card->dev->dev_addr);
+ eth_random_addr(card->dev->dev_addr);
memcpy(card->dev->dev_addr, vendor_pre, 3);
}
return 0;
@@ -593,48 +668,48 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
struct qeth_card *card = dev->ml_priv;
int rc = 0;
- QETH_DBF_TEXT(TRACE, 3, "setmac");
+ QETH_CARD_TEXT(card, 3, "setmac");
if (qeth_l2_verify_dev(dev) != QETH_REAL_CARD) {
- QETH_DBF_TEXT(TRACE, 3, "setmcINV");
+ QETH_CARD_TEXT(card, 3, "setmcINV");
return -EOPNOTSUPP;
}
- if (card->info.type == QETH_CARD_TYPE_OSN) {
- QETH_DBF_TEXT(TRACE, 3, "setmcOSN");
+ if (card->info.type == QETH_CARD_TYPE_OSN ||
+ card->info.type == QETH_CARD_TYPE_OSM ||
+ card->info.type == QETH_CARD_TYPE_OSX) {
+ QETH_CARD_TEXT(card, 3, "setmcTYP");
return -EOPNOTSUPP;
}
- QETH_DBF_TEXT_(TRACE, 3, "%s", CARD_BUS_ID(card));
- QETH_DBF_HEX(TRACE, 3, addr->sa_data, OSA_ADDR_LEN);
+ QETH_CARD_HEX(card, 3, addr->sa_data, OSA_ADDR_LEN);
if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
- QETH_DBF_TEXT(TRACE, 3, "setmcREC");
+ QETH_CARD_TEXT(card, 3, "setmcREC");
return -ERESTARTSYS;
}
rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]);
- if (!rc)
+ if (!rc || (rc == IPA_RC_L2_MAC_NOT_FOUND))
rc = qeth_l2_send_setmac(card, addr->sa_data);
- return rc;
+ return rc ? -EINVAL : 0;
}
static void qeth_l2_set_multicast_list(struct net_device *dev)
{
struct qeth_card *card = dev->ml_priv;
- struct dev_addr_list *dm;
struct netdev_hw_addr *ha;
if (card->info.type == QETH_CARD_TYPE_OSN)
return ;
- QETH_DBF_TEXT(TRACE, 3, "setmulti");
+ QETH_CARD_TEXT(card, 3, "setmulti");
if (qeth_threads_running(card, QETH_RECOVER_THREAD) &&
(card->state != CARD_STATE_UP))
return;
- qeth_l2_del_all_mc(card);
+ qeth_l2_del_all_mc(card, 1);
spin_lock_bh(&card->mclock);
- for (dm = dev->mc_list; dm; dm = dm->next)
- qeth_l2_add_mc(card, dm->da_addr, 0);
+ netdev_for_each_mc_addr(ha, dev)
+ qeth_l2_add_mc(card, ha->addr, 0);
- list_for_each_entry(ha, &dev->uc.list, list)
+ netdev_for_each_uc_addr(ha, dev)
qeth_l2_add_mc(card, ha->addr, 1);
spin_unlock_bh(&card->mclock);
@@ -650,15 +725,20 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
int elements = 0;
struct qeth_card *card = dev->ml_priv;
struct sk_buff *new_skb = skb;
- int ipv = qeth_get_ip_version(skb);
int cast_type = qeth_l2_get_cast_type(card, skb);
- struct qeth_qdio_out_q *queue = card->qdio.out_qs
- [qeth_get_priority_queue(card, skb, ipv, cast_type)];
+ struct qeth_qdio_out_q *queue;
int tx_bytes = skb->len;
int data_offset = -1;
int elements_needed = 0;
int hd_len = 0;
+ if (card->qdio.do_prio_queueing || (cast_type &&
+ card->info.is_multicast_different))
+ queue = card->qdio.out_qs[qeth_get_priority_queue(card, skb,
+ qeth_get_ip_version(skb), cast_type)];
+ else
+ queue = card->qdio.out_qs[card->qdio.default_out_queue];
+
if ((card->state != CARD_STATE_UP) || !card->lan_online) {
card->stats.tx_carrier_errors++;
goto tx_drop;
@@ -687,7 +767,7 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
goto tx_drop;
elements_needed++;
skb_reset_mac_header(new_skb);
- qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type);
+ qeth_l2_fill_header(card, hdr, new_skb, cast_type);
hdr->hdr.l2.pkt_length = new_skb->len;
memcpy(((char *)hdr) + sizeof(struct qeth_hdr),
skb_mac_header(new_skb), ETH_HLEN);
@@ -700,22 +780,24 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
hdr = (struct qeth_hdr *)skb_push(new_skb,
sizeof(struct qeth_hdr));
skb_set_mac_header(new_skb, sizeof(struct qeth_hdr));
- qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type);
+ qeth_l2_fill_header(card, hdr, new_skb, cast_type);
}
}
- elements = qeth_get_elements_no(card, (void *)hdr, new_skb,
- elements_needed);
+ elements = qeth_get_elements_no(card, new_skb, elements_needed);
if (!elements) {
if (data_offset >= 0)
kmem_cache_free(qeth_core_header_cache, hdr);
goto tx_drop;
}
- if (card->info.type != QETH_CARD_TYPE_IQD)
+ if (card->info.type != QETH_CARD_TYPE_IQD) {
+ if (qeth_hdr_chk_and_bounce(new_skb, &hdr,
+ sizeof(struct qeth_hdr_layer2)))
+ goto tx_drop;
rc = qeth_do_send_packet(card, queue, new_skb, hdr,
elements);
- else
+ } else
rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
elements, data_offset, hd_len);
if (!rc) {
@@ -752,77 +834,56 @@ tx_drop:
return NETDEV_TX_OK;
}
-static void qeth_l2_qdio_input_handler(struct ccw_device *ccwdev,
- unsigned int qdio_err, unsigned int queue,
- int first_element, int count, unsigned long card_ptr)
-{
- struct net_device *net_dev;
- struct qeth_card *card;
- struct qeth_qdio_buffer *buffer;
- int index;
- int i;
-
- card = (struct qeth_card *) card_ptr;
- net_dev = card->dev;
- if (card->options.performance_stats) {
- card->perf_stats.inbound_cnt++;
- card->perf_stats.inbound_start_time = qeth_get_micros();
- }
- if (qdio_err & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) {
- QETH_DBF_TEXT(TRACE, 1, "qdinchk");
- QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
- QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", first_element,
- count);
- QETH_DBF_TEXT_(TRACE, 1, "%04X", queue);
- qeth_schedule_recovery(card);
- return;
- }
- for (i = first_element; i < (first_element + count); ++i) {
- index = i % QDIO_MAX_BUFFERS_PER_Q;
- buffer = &card->qdio.in_q->bufs[index];
- if (!(qdio_err &&
- qeth_check_qdio_errors(buffer->buffer, qdio_err, "qinerr")))
- qeth_l2_process_inbound_buffer(card, buffer, index);
- /* clear buffer and give back to hardware */
- qeth_put_buffer_pool_entry(card, buffer->pool_entry);
- qeth_queue_input_buffer(card, index);
- }
- if (card->options.performance_stats)
- card->perf_stats.inbound_time += qeth_get_micros() -
- card->perf_stats.inbound_start_time;
-}
-
-static int qeth_l2_open(struct net_device *dev)
+static int __qeth_l2_open(struct net_device *dev)
{
struct qeth_card *card = dev->ml_priv;
+ int rc = 0;
- QETH_DBF_TEXT(TRACE, 4, "qethopen");
+ QETH_CARD_TEXT(card, 4, "qethopen");
+ if (card->state == CARD_STATE_UP)
+ return rc;
if (card->state != CARD_STATE_SOFTSETUP)
return -ENODEV;
if ((card->info.type != QETH_CARD_TYPE_OSN) &&
(!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
- QETH_DBF_TEXT(TRACE, 4, "nomacadr");
+ QETH_CARD_TEXT(card, 4, "nomacadr");
return -EPERM;
}
card->data.state = CH_STATE_UP;
card->state = CARD_STATE_UP;
netif_start_queue(dev);
- if (!card->lan_online && netif_carrier_ok(dev))
- netif_carrier_off(dev);
- return 0;
+ if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) {
+ napi_enable(&card->napi);
+ napi_schedule(&card->napi);
+ } else
+ rc = -EIO;
+ return rc;
}
+static int qeth_l2_open(struct net_device *dev)
+{
+ struct qeth_card *card = dev->ml_priv;
+
+ QETH_CARD_TEXT(card, 5, "qethope_");
+ if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+ QETH_CARD_TEXT(card, 3, "openREC");
+ return -ERESTARTSYS;
+ }
+ return __qeth_l2_open(dev);
+}
static int qeth_l2_stop(struct net_device *dev)
{
struct qeth_card *card = dev->ml_priv;
- QETH_DBF_TEXT(TRACE, 4, "qethstop");
+ QETH_CARD_TEXT(card, 4, "qethstop");
netif_tx_disable(dev);
- if (card->state == CARD_STATE_UP)
+ if (card->state == CARD_STATE_UP) {
card->state = CARD_STATE_SOFTSETUP;
+ napi_disable(&card->napi);
+ }
return 0;
}
@@ -830,14 +891,11 @@ static int qeth_l2_probe_device(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ qeth_l2_create_device_attributes(&gdev->dev);
INIT_LIST_HEAD(&card->vid_list);
INIT_LIST_HEAD(&card->mc_list);
card->options.layer2 = 1;
- card->discipline.input_handler = (qdio_handler_t *)
- qeth_l2_qdio_input_handler;
- card->discipline.output_handler = (qdio_handler_t *)
- qeth_qdio_output_handler;
- card->discipline.recover = qeth_l2_recover;
+ card->info.hwtrap = 0;
return 0;
}
@@ -845,20 +903,17 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
{
struct qeth_card *card = dev_get_drvdata(&cgdev->dev);
+ qeth_l2_remove_device_attributes(&cgdev->dev);
qeth_set_allowed_threads(card, 0, 1);
wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
- if (cgdev->state == CCWGROUP_ONLINE) {
- card->use_hard_stop = 1;
+ if (cgdev->state == CCWGROUP_ONLINE)
qeth_l2_set_offline(cgdev);
- }
if (card->dev) {
unregister_netdev(card->dev);
card->dev = NULL;
}
-
- qeth_l2_del_all_mc(card);
return;
}
@@ -884,7 +939,7 @@ static const struct net_device_ops qeth_l2_netdev_ops = {
.ndo_get_stats = qeth_get_stats,
.ndo_start_xmit = qeth_l2_hard_start_xmit,
.ndo_validate_addr = eth_validate_addr,
- .ndo_set_multicast_list = qeth_l2_set_multicast_list,
+ .ndo_set_rx_mode = qeth_l2_set_multicast_list,
.ndo_do_ioctl = qeth_l2_do_ioctl,
.ndo_set_mac_address = qeth_l2_set_mac_address,
.ndo_change_mtu = qeth_change_mtu,
@@ -896,9 +951,6 @@ static const struct net_device_ops qeth_l2_netdev_ops = {
static int qeth_l2_setup_netdev(struct qeth_card *card)
{
switch (card->info.type) {
- case QETH_CARD_TYPE_OSAE:
- card->dev = alloc_etherdev(0);
- break;
case QETH_CARD_TYPE_IQD:
card->dev = alloc_netdev(0, "hsi%d", ether_setup);
break;
@@ -917,14 +969,14 @@ static int qeth_l2_setup_netdev(struct qeth_card *card)
card->dev->watchdog_timeo = QETH_TX_TIMEOUT;
card->dev->mtu = card->info.initial_mtu;
card->dev->netdev_ops = &qeth_l2_netdev_ops;
- if (card->info.type != QETH_CARD_TYPE_OSN)
- SET_ETHTOOL_OPS(card->dev, &qeth_l2_ethtool_ops);
- else
- SET_ETHTOOL_OPS(card->dev, &qeth_l2_osn_ops);
- card->dev->features |= NETIF_F_HW_VLAN_FILTER;
+ card->dev->ethtool_ops =
+ (card->info.type != QETH_CARD_TYPE_OSN) ?
+ &qeth_l2_ethtool_ops : &qeth_l2_osn_ops;
+ card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
card->info.broadcast_capable = 1;
qeth_l2_request_initial_mac(card);
SET_NETDEV_DEV(card->dev, &card->gdev->dev);
+ netif_napi_add(card->dev, &card->napi, qeth_l2_poll, QETH_NAPI_WEIGHT);
return register_netdev(card->dev);
}
@@ -934,11 +986,11 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
int rc = 0;
enum qeth_card_states recover_flag;
- BUG_ON(!card);
+ mutex_lock(&card->discipline_mutex);
+ mutex_lock(&card->conf_mutex);
QETH_DBF_TEXT(SETUP, 2, "setonlin");
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
- qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
recover_flag = card->state;
rc = qeth_core_hardsetup_card(card);
if (rc) {
@@ -946,6 +998,11 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
rc = -ENODEV;
goto out_remove;
}
+ qeth_bridgeport_query_support(card);
+ if (card->options.sbp.supported_funcs)
+ dev_info(&card->gdev->dev,
+ "The device represents a HiperSockets Bridge Capable Port\n");
+ qeth_trace_features(card);
if (!card->dev && qeth_l2_setup_netdev(card)) {
rc = -ENODEV;
@@ -955,7 +1012,17 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
if (card->info.type != QETH_CARD_TYPE_OSN)
qeth_l2_send_setmac(card, &card->dev->dev_addr[0]);
+ 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;
+
+ qeth_l2_setup_bridgeport_attrs(card);
+
card->state = CARD_STATE_HARDSETUP;
+ memset(&card->rx, 0, sizeof(struct qeth_rx));
qeth_print_status_message(card);
/* softsetup */
@@ -968,19 +1035,28 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
dev_warn(&card->gdev->dev,
"The LAN is offline\n");
card->lan_online = 0;
- return 0;
+ goto contin;
}
rc = -ENODEV;
goto out_remove;
} else
card->lan_online = 1;
- if (card->info.type != QETH_CARD_TYPE_OSN) {
+contin:
+ if ((card->info.type == QETH_CARD_TYPE_OSD) ||
+ (card->info.type == QETH_CARD_TYPE_OSX)) {
/* configure isolation level */
- qeth_set_access_ctrl_online(card);
- qeth_l2_process_vlans(card, 0);
+ rc = qeth_set_access_ctrl_online(card, 0);
+ if (rc) {
+ rc = -ENODEV;
+ goto out_remove;
+ }
}
+ if (card->info.type != QETH_CARD_TYPE_OSN &&
+ card->info.type != QETH_CARD_TYPE_OSM)
+ qeth_l2_process_vlans(card);
+
netif_tx_disable(card->dev);
rc = qeth_init_qdio_queues(card);
@@ -990,13 +1066,16 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
goto out_remove;
}
card->state = CARD_STATE_SOFTSETUP;
- netif_carrier_on(card->dev);
+ if (card->lan_online)
+ netif_carrier_on(card->dev);
+ else
+ netif_carrier_off(card->dev);
qeth_set_allowed_threads(card, 0xffffffff, 0);
if (recover_flag == CARD_STATE_RECOVER) {
if (recovery_mode &&
card->info.type != QETH_CARD_TYPE_OSN) {
- qeth_l2_open(card->dev);
+ __qeth_l2_open(card->dev);
} else {
rtnl_lock();
dev_open(card->dev);
@@ -1007,18 +1086,22 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
}
/* 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:
- card->use_hard_stop = 1;
qeth_l2_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;
}
@@ -1034,12 +1117,18 @@ static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev,
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 *));
if (card->dev && netif_carrier_ok(card->dev))
netif_carrier_off(card->dev);
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_l2_stop_card(card, recovery_mode);
rc = ccw_device_set_offline(CARD_DDEV(card));
rc2 = ccw_device_set_offline(CARD_WDEV(card));
@@ -1048,10 +1137,13 @@ static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev,
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;
}
@@ -1066,31 +1158,26 @@ static int qeth_l2_recover(void *ptr)
int rc = 0;
card = (struct qeth_card *) ptr;
- QETH_DBF_TEXT(TRACE, 2, "recover1");
- QETH_DBF_HEX(TRACE, 2, &card, sizeof(void *));
+ QETH_CARD_TEXT(card, 2, "recover1");
if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
return 0;
- QETH_DBF_TEXT(TRACE, 2, "recover2");
+ QETH_CARD_TEXT(card, 2, "recover2");
dev_warn(&card->gdev->dev,
"A recovery process has been started for the device\n");
- card->use_hard_stop = 1;
+ qeth_set_recovery_task(card);
__qeth_l2_set_offline(card->gdev, 1);
rc = __qeth_l2_set_online(card->gdev, 1);
- /* don't run another scheduled recovery */
- qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
- qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
if (!rc)
dev_info(&card->gdev->dev,
"Device successfully recovered!\n");
else {
- if (card->dev) {
- rtnl_lock();
- dev_close(card->dev);
- rtnl_unlock();
- }
+ qeth_close_dev(card);
dev_warn(&card->gdev->dev, "The qeth device driver "
- "failed to recover an error on the device\n");
+ "failed to recover an error on the device\n");
}
+ qeth_clear_recovery_task(card);
+ qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
+ qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
return 0;
}
@@ -1108,8 +1195,12 @@ static void __exit qeth_l2_exit(void)
static void qeth_l2_shutdown(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ qeth_set_allowed_threads(card, 0, 1);
+ if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap)
+ qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
qeth_qdio_clear_card(card, 0);
qeth_clear_qdio_buffers(card);
+ qdio_free(CARD_DDEV(card));
}
static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev)
@@ -1123,7 +1214,8 @@ static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev)
if (gdev->state == CCWGROUP_OFFLINE)
return 0;
if (card->state == CARD_STATE_UP) {
- card->use_hard_stop = 1;
+ if (card->info.hwtrap)
+ qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
__qeth_l2_set_offline(card->gdev, 1);
} else
__qeth_l2_set_offline(card->gdev, 0);
@@ -1141,11 +1233,9 @@ static int qeth_l2_pm_resume(struct ccwgroup_device *gdev)
if (card->state == CARD_STATE_RECOVER) {
rc = __qeth_l2_set_online(card->gdev, 1);
if (rc) {
- if (card->dev) {
- rtnl_lock();
- dev_close(card->dev);
- rtnl_unlock();
- }
+ rtnl_lock();
+ dev_close(card->dev);
+ rtnl_unlock();
}
} else
rc = __qeth_l2_set_online(card->gdev, 0);
@@ -1159,8 +1249,32 @@ out:
return rc;
}
-struct ccwgroup_driver qeth_l2_ccwgroup_driver = {
- .probe = qeth_l2_probe_device,
+/* Returns zero if the command is successfully "consumed" */
+static int qeth_l2_control_event(struct qeth_card *card,
+ struct qeth_ipa_cmd *cmd)
+{
+ switch (cmd->hdr.command) {
+ case IPA_CMD_SETBRIDGEPORT:
+ if (cmd->data.sbp.hdr.command_code ==
+ IPA_SBP_BRIDGE_PORT_STATE_CHANGE) {
+ qeth_bridge_state_change(card, cmd);
+ return 0;
+ } else
+ return 1;
+ case IPA_CMD_ADDRESS_CHANGE_NOTIF:
+ qeth_bridge_host_event(card, cmd);
+ return 0;
+ default:
+ return 1;
+ }
+}
+
+struct qeth_discipline qeth_l2_discipline = {
+ .start_poll = qeth_qdio_start_poll,
+ .input_handler = (qdio_handler_t *) qeth_qdio_input_handler,
+ .output_handler = (qdio_handler_t *) qeth_qdio_output_handler,
+ .recover = qeth_l2_recover,
+ .setup = qeth_l2_probe_device,
.remove = qeth_l2_remove_device,
.set_online = qeth_l2_set_online,
.set_offline = qeth_l2_set_offline,
@@ -1168,8 +1282,9 @@ struct ccwgroup_driver qeth_l2_ccwgroup_driver = {
.freeze = qeth_l2_pm_suspend,
.thaw = qeth_l2_pm_resume,
.restore = qeth_l2_pm_resume,
+ .control_event_handler = qeth_l2_control_event,
};
-EXPORT_SYMBOL_GPL(qeth_l2_ccwgroup_driver);
+EXPORT_SYMBOL_GPL(qeth_l2_discipline);
static int qeth_osn_send_control_data(struct qeth_card *card, int len,
struct qeth_cmd_buffer *iob)
@@ -1177,12 +1292,12 @@ static int qeth_osn_send_control_data(struct qeth_card *card, int len,
unsigned long flags;
int rc = 0;
- QETH_DBF_TEXT(TRACE, 5, "osndctrd");
+ QETH_CARD_TEXT(card, 5, "osndctrd");
wait_event(card->wait_q,
atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
qeth_prepare_control_data(card, len, iob);
- QETH_DBF_TEXT(TRACE, 6, "osnoirqp");
+ QETH_CARD_TEXT(card, 6, "osnoirqp");
spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
(addr_t) iob, 0, 0);
@@ -1190,7 +1305,7 @@ static int qeth_osn_send_control_data(struct qeth_card *card, int len,
if (rc) {
QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: "
"ccw_device_start rc = %i\n", rc);
- QETH_DBF_TEXT_(TRACE, 2, " err%d", rc);
+ QETH_CARD_TEXT_(card, 2, " err%d", rc);
qeth_release_buffer(iob->channel, iob);
atomic_set(&card->write.irq_pending, 0);
wake_up(&card->wait_q);
@@ -1203,7 +1318,7 @@ static int qeth_osn_send_ipa_cmd(struct qeth_card *card,
{
u16 s1, s2;
- QETH_DBF_TEXT(TRACE, 4, "osndipa");
+ QETH_CARD_TEXT(card, 4, "osndipa");
qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
@@ -1221,12 +1336,12 @@ int qeth_osn_assist(struct net_device *dev, void *data, int data_len)
struct qeth_card *card;
int rc;
- QETH_DBF_TEXT(TRACE, 2, "osnsdmc");
if (!dev)
return -ENODEV;
card = dev->ml_priv;
if (!card)
return -ENODEV;
+ QETH_CARD_TEXT(card, 2, "osnsdmc");
if ((card->state != CARD_STATE_UP) &&
(card->state != CARD_STATE_SOFTSETUP))
return -ENODEV;
@@ -1243,13 +1358,13 @@ int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev,
{
struct qeth_card *card;
- QETH_DBF_TEXT(TRACE, 2, "osnreg");
*dev = qeth_l2_netdev_by_devno(read_dev_no);
if (*dev == NULL)
return -ENODEV;
card = (*dev)->ml_priv;
if (!card)
return -ENODEV;
+ QETH_CARD_TEXT(card, 2, "osnreg");
if ((assist_cb == NULL) || (data_cb == NULL))
return -EINVAL;
card->osn_info.assist_cb = assist_cb;
@@ -1262,18 +1377,606 @@ void qeth_osn_deregister(struct net_device *dev)
{
struct qeth_card *card;
- QETH_DBF_TEXT(TRACE, 2, "osndereg");
if (!dev)
return;
card = dev->ml_priv;
if (!card)
return;
+ QETH_CARD_TEXT(card, 2, "osndereg");
card->osn_info.assist_cb = NULL;
card->osn_info.data_cb = NULL;
return;
}
EXPORT_SYMBOL(qeth_osn_deregister);
+/* SETBRIDGEPORT support, async notifications */
+
+enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset};
+
+/**
+ * qeth_bridge_emit_host_event() - bridgeport address change notification
+ * @card: qeth_card structure pointer, for udev events.
+ * @evtype: "normal" register/unregister, or abort, or reset. For abort
+ * and reset token and addr_lnid are unused and may be NULL.
+ * @code: event bitmask: high order bit 0x80 value 1 means removal of an
+ * object, 0 - addition of an object.
+ * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC.
+ * @token: "network token" structure identifying physical address of the port.
+ * @addr_lnid: pointer to structure with MAC address and VLAN ID.
+ *
+ * This function is called when registrations and deregistrations are
+ * reported by the hardware, and also when notifications are enabled -
+ * for all currently registered addresses.
+ */
+static void qeth_bridge_emit_host_event(struct qeth_card *card,
+ enum qeth_an_event_type evtype,
+ u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid)
+{
+ char str[7][32];
+ char *env[8];
+ int i = 0;
+
+ switch (evtype) {
+ case anev_reg_unreg:
+ snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s",
+ (code & IPA_ADDR_CHANGE_CODE_REMOVAL)
+ ? "deregister" : "register");
+ env[i] = str[i]; i++;
+ if (code & IPA_ADDR_CHANGE_CODE_VLANID) {
+ snprintf(str[i], sizeof(str[i]), "VLAN=%d",
+ addr_lnid->lnid);
+ env[i] = str[i]; i++;
+ }
+ if (code & IPA_ADDR_CHANGE_CODE_MACADDR) {
+ snprintf(str[i], sizeof(str[i]), "MAC=%pM6",
+ &addr_lnid->mac);
+ env[i] = str[i]; i++;
+ }
+ snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x",
+ token->cssid, token->ssid, token->devnum);
+ env[i] = str[i]; i++;
+ snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid);
+ env[i] = str[i]; i++;
+ snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x",
+ token->chpid);
+ env[i] = str[i]; i++;
+ snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid);
+ env[i] = str[i]; i++;
+ break;
+ case anev_abort:
+ snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort");
+ env[i] = str[i]; i++;
+ break;
+ case anev_reset:
+ snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset");
+ env[i] = str[i]; i++;
+ break;
+ }
+ env[i] = NULL;
+ kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env);
+}
+
+struct qeth_bridge_state_data {
+ struct work_struct worker;
+ struct qeth_card *card;
+ struct qeth_sbp_state_change qports;
+};
+
+static void qeth_bridge_state_change_worker(struct work_struct *work)
+{
+ struct qeth_bridge_state_data *data =
+ container_of(work, struct qeth_bridge_state_data, worker);
+ /* We are only interested in the first entry - local port */
+ struct qeth_sbp_port_entry *entry = &data->qports.entry[0];
+ char env_locrem[32];
+ char env_role[32];
+ char env_state[32];
+ char *env[] = {
+ env_locrem,
+ env_role,
+ env_state,
+ NULL
+ };
+
+ /* Role should not change by itself, but if it did, */
+ /* information from the hardware is authoritative. */
+ mutex_lock(&data->card->conf_mutex);
+ data->card->options.sbp.role = entry->role;
+ mutex_unlock(&data->card->conf_mutex);
+
+ snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange");
+ snprintf(env_role, sizeof(env_role), "ROLE=%s",
+ (entry->role == QETH_SBP_ROLE_NONE) ? "none" :
+ (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" :
+ (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" :
+ "<INVALID>");
+ snprintf(env_state, sizeof(env_state), "STATE=%s",
+ (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" :
+ (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" :
+ (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" :
+ "<INVALID>");
+ kobject_uevent_env(&data->card->gdev->dev.kobj,
+ KOBJ_CHANGE, env);
+ kfree(data);
+}
+
+static void qeth_bridge_state_change(struct qeth_card *card,
+ struct qeth_ipa_cmd *cmd)
+{
+ struct qeth_sbp_state_change *qports =
+ &cmd->data.sbp.data.state_change;
+ struct qeth_bridge_state_data *data;
+ int extrasize;
+
+ QETH_CARD_TEXT(card, 2, "brstchng");
+ if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
+ QETH_CARD_TEXT_(card, 2, "BPsz%.8d", qports->entry_length);
+ return;
+ }
+ extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries;
+ data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize,
+ GFP_ATOMIC);
+ if (!data) {
+ QETH_CARD_TEXT(card, 2, "BPSalloc");
+ return;
+ }
+ INIT_WORK(&data->worker, qeth_bridge_state_change_worker);
+ data->card = card;
+ memcpy(&data->qports, qports,
+ sizeof(struct qeth_sbp_state_change) + extrasize);
+ queue_work(qeth_wq, &data->worker);
+}
+
+struct qeth_bridge_host_data {
+ struct work_struct worker;
+ struct qeth_card *card;
+ struct qeth_ipacmd_addr_change hostevs;
+};
+
+static void qeth_bridge_host_event_worker(struct work_struct *work)
+{
+ struct qeth_bridge_host_data *data =
+ container_of(work, struct qeth_bridge_host_data, worker);
+ int i;
+
+ if (data->hostevs.lost_event_mask) {
+ dev_info(&data->card->gdev->dev,
+"Address notification from the HiperSockets Bridge Port stopped %s (%s)\n",
+ data->card->dev->name,
+ (data->hostevs.lost_event_mask == 0x01)
+ ? "Overflow"
+ : (data->hostevs.lost_event_mask == 0x02)
+ ? "Bridge port state change"
+ : "Unknown reason");
+ mutex_lock(&data->card->conf_mutex);
+ data->card->options.sbp.hostnotification = 0;
+ mutex_unlock(&data->card->conf_mutex);
+ qeth_bridge_emit_host_event(data->card, anev_abort,
+ 0, NULL, NULL);
+ } else
+ for (i = 0; i < data->hostevs.num_entries; i++) {
+ struct qeth_ipacmd_addr_change_entry *entry =
+ &data->hostevs.entry[i];
+ qeth_bridge_emit_host_event(data->card,
+ anev_reg_unreg,
+ entry->change_code,
+ &entry->token, &entry->addr_lnid);
+ }
+ kfree(data);
+}
+
+static void qeth_bridge_host_event(struct qeth_card *card,
+ struct qeth_ipa_cmd *cmd)
+{
+ struct qeth_ipacmd_addr_change *hostevs =
+ &cmd->data.addrchange;
+ struct qeth_bridge_host_data *data;
+ int extrasize;
+
+ QETH_CARD_TEXT(card, 2, "brhostev");
+ if (cmd->hdr.return_code != 0x0000) {
+ if (cmd->hdr.return_code == 0x0010) {
+ if (hostevs->lost_event_mask == 0x00)
+ hostevs->lost_event_mask = 0xff;
+ } else {
+ QETH_CARD_TEXT_(card, 2, "BPHe%04x",
+ cmd->hdr.return_code);
+ return;
+ }
+ }
+ extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) *
+ hostevs->num_entries;
+ data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize,
+ GFP_ATOMIC);
+ if (!data) {
+ QETH_CARD_TEXT(card, 2, "BPHalloc");
+ return;
+ }
+ INIT_WORK(&data->worker, qeth_bridge_host_event_worker);
+ data->card = card;
+ memcpy(&data->hostevs, hostevs,
+ sizeof(struct qeth_ipacmd_addr_change) + extrasize);
+ queue_work(qeth_wq, &data->worker);
+}
+
+/* SETBRIDGEPORT support; sending commands */
+
+struct _qeth_sbp_cbctl {
+ u16 ipa_rc;
+ u16 cmd_rc;
+ union {
+ u32 supported;
+ struct {
+ enum qeth_sbp_roles *role;
+ enum qeth_sbp_states *state;
+ } qports;
+ } data;
+};
+
+/**
+ * qeth_bridgeport_makerc() - derive "traditional" error from hardware codes.
+ * @card: qeth_card structure pointer, for debug messages.
+ * @cbctl: state structure with hardware return codes.
+ * @setcmd: IPA command code
+ *
+ * Returns negative errno-compatible error indication or 0 on success.
+ */
+static int qeth_bridgeport_makerc(struct qeth_card *card,
+ struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd)
+{
+ int rc;
+
+ switch (cbctl->ipa_rc) {
+ case IPA_RC_SUCCESS:
+ switch (cbctl->cmd_rc) {
+ case 0x0000:
+ rc = 0;
+ break;
+ case 0x0004:
+ rc = -ENOSYS;
+ break;
+ case 0x000C: /* Not configured as bridge Port */
+ rc = -ENODEV; /* maybe not the best code here? */
+ dev_err(&card->gdev->dev,
+ "The HiperSockets device is not configured as a Bridge Port\n");
+ break;
+ case 0x0014: /* Another device is Primary */
+ switch (setcmd) {
+ case IPA_SBP_SET_PRIMARY_BRIDGE_PORT:
+ rc = -EEXIST;
+ dev_err(&card->gdev->dev,
+ "The HiperSockets LAN already has a primary Bridge Port\n");
+ break;
+ case IPA_SBP_SET_SECONDARY_BRIDGE_PORT:
+ rc = -EBUSY;
+ dev_err(&card->gdev->dev,
+ "The HiperSockets device is already a primary Bridge Port\n");
+ break;
+ default:
+ rc = -EIO;
+ }
+ break;
+ case 0x0018: /* This device is currently Secondary */
+ rc = -EBUSY;
+ dev_err(&card->gdev->dev,
+ "The HiperSockets device is already a secondary Bridge Port\n");
+ break;
+ case 0x001C: /* Limit for Secondary devices reached */
+ rc = -EEXIST;
+ dev_err(&card->gdev->dev,
+ "The HiperSockets LAN cannot have more secondary Bridge Ports\n");
+ break;
+ case 0x0024: /* This device is currently Primary */
+ rc = -EBUSY;
+ dev_err(&card->gdev->dev,
+ "The HiperSockets device is already a primary Bridge Port\n");
+ break;
+ case 0x0020: /* Not authorized by zManager */
+ rc = -EACCES;
+ dev_err(&card->gdev->dev,
+ "The HiperSockets device is not authorized to be a Bridge Port\n");
+ break;
+ default:
+ rc = -EIO;
+ }
+ break;
+ case IPA_RC_NOTSUPP:
+ rc = -ENOSYS;
+ break;
+ case IPA_RC_UNSUPPORTED_COMMAND:
+ rc = -ENOSYS;
+ break;
+ default:
+ rc = -EIO;
+ }
+ if (rc) {
+ QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc);
+ QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc);
+ }
+ return rc;
+}
+
+static int qeth_bridgeport_query_support_cb(struct qeth_card *card,
+ struct qeth_reply *reply, unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
+ struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
+ QETH_CARD_TEXT(card, 2, "brqsupcb");
+ cbctl->ipa_rc = cmd->hdr.return_code;
+ cbctl->cmd_rc = cmd->data.sbp.hdr.return_code;
+ if ((cbctl->ipa_rc == 0) && (cbctl->cmd_rc == 0)) {
+ cbctl->data.supported =
+ cmd->data.sbp.data.query_cmds_supp.supported_cmds;
+ } else {
+ cbctl->data.supported = 0;
+ }
+ return 0;
+}
+
+/**
+ * qeth_bridgeport_query_support() - store bitmask of supported subfunctions.
+ * @card: qeth_card structure pointer.
+ *
+ * Sets bitmask of supported setbridgeport subfunctions in the qeth_card
+ * strucutre: card->options.sbp.supported_funcs.
+ */
+static void qeth_bridgeport_query_support(struct qeth_card *card)
+{
+ struct qeth_cmd_buffer *iob;
+ struct qeth_ipa_cmd *cmd;
+ struct _qeth_sbp_cbctl cbctl;
+
+ QETH_CARD_TEXT(card, 2, "brqsuppo");
+ iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0);
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ cmd->data.sbp.hdr.cmdlength =
+ sizeof(struct qeth_ipacmd_sbp_hdr) +
+ sizeof(struct qeth_sbp_query_cmds_supp);
+ cmd->data.sbp.hdr.command_code =
+ IPA_SBP_QUERY_COMMANDS_SUPPORTED;
+ cmd->data.sbp.hdr.used_total = 1;
+ cmd->data.sbp.hdr.seq_no = 1;
+ if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb,
+ (void *)&cbctl) ||
+ qeth_bridgeport_makerc(card, &cbctl,
+ IPA_SBP_QUERY_COMMANDS_SUPPORTED)) {
+ /* non-zero makerc signifies failure, and produce messages */
+ card->options.sbp.role = QETH_SBP_ROLE_NONE;
+ return;
+ }
+ card->options.sbp.supported_funcs = cbctl.data.supported;
+}
+
+static int qeth_bridgeport_query_ports_cb(struct qeth_card *card,
+ struct qeth_reply *reply, unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
+ struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports;
+ struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
+
+ QETH_CARD_TEXT(card, 2, "brqprtcb");
+ cbctl->ipa_rc = cmd->hdr.return_code;
+ cbctl->cmd_rc = cmd->data.sbp.hdr.return_code;
+ if ((cbctl->ipa_rc != 0) || (cbctl->cmd_rc != 0))
+ return 0;
+ if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
+ cbctl->cmd_rc = 0xffff;
+ QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length);
+ return 0;
+ }
+ /* first entry contains the state of the local port */
+ if (qports->num_entries > 0) {
+ if (cbctl->data.qports.role)
+ *cbctl->data.qports.role = qports->entry[0].role;
+ if (cbctl->data.qports.state)
+ *cbctl->data.qports.state = qports->entry[0].state;
+ }
+ return 0;
+}
+
+/**
+ * qeth_bridgeport_query_ports() - query local bridgeport status.
+ * @card: qeth_card structure pointer.
+ * @role: Role of the port: 0-none, 1-primary, 2-secondary.
+ * @state: State of the port: 0-inactive, 1-standby, 2-active.
+ *
+ * Returns negative errno-compatible error indication or 0 on success.
+ *
+ * 'role' and 'state' are not updated in case of hardware operation failure.
+ */
+int qeth_bridgeport_query_ports(struct qeth_card *card,
+ enum qeth_sbp_roles *role, enum qeth_sbp_states *state)
+{
+ int rc = 0;
+ struct qeth_cmd_buffer *iob;
+ struct qeth_ipa_cmd *cmd;
+ struct _qeth_sbp_cbctl cbctl = {
+ .data = {
+ .qports = {
+ .role = role,
+ .state = state,
+ },
+ },
+ };
+
+ QETH_CARD_TEXT(card, 2, "brqports");
+ if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS))
+ return -EOPNOTSUPP;
+ iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0);
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ cmd->data.sbp.hdr.cmdlength =
+ sizeof(struct qeth_ipacmd_sbp_hdr);
+ cmd->data.sbp.hdr.command_code =
+ IPA_SBP_QUERY_BRIDGE_PORTS;
+ cmd->data.sbp.hdr.used_total = 1;
+ cmd->data.sbp.hdr.seq_no = 1;
+ rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb,
+ (void *)&cbctl);
+ if (rc)
+ return rc;
+ rc = qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS);
+ if (rc)
+ return rc;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(qeth_bridgeport_query_ports);
+
+static int qeth_bridgeport_set_cb(struct qeth_card *card,
+ struct qeth_reply *reply, unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data;
+ struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
+ QETH_CARD_TEXT(card, 2, "brsetrcb");
+ cbctl->ipa_rc = cmd->hdr.return_code;
+ cbctl->cmd_rc = cmd->data.sbp.hdr.return_code;
+ return 0;
+}
+
+/**
+ * qeth_bridgeport_setrole() - Assign primary role to the port.
+ * @card: qeth_card structure pointer.
+ * @role: Role to assign.
+ *
+ * Returns negative errno-compatible error indication or 0 on success.
+ */
+int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role)
+{
+ int rc = 0;
+ int cmdlength;
+ struct qeth_cmd_buffer *iob;
+ struct qeth_ipa_cmd *cmd;
+ struct _qeth_sbp_cbctl cbctl;
+ enum qeth_ipa_sbp_cmd setcmd;
+
+ QETH_CARD_TEXT(card, 2, "brsetrol");
+ switch (role) {
+ case QETH_SBP_ROLE_NONE:
+ setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE;
+ cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) +
+ sizeof(struct qeth_sbp_reset_role);
+ break;
+ case QETH_SBP_ROLE_PRIMARY:
+ setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT;
+ cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) +
+ sizeof(struct qeth_sbp_set_primary);
+ break;
+ case QETH_SBP_ROLE_SECONDARY:
+ setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT;
+ cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) +
+ sizeof(struct qeth_sbp_set_secondary);
+ break;
+ default:
+ return -EINVAL;
+ }
+ if (!(card->options.sbp.supported_funcs & setcmd))
+ return -EOPNOTSUPP;
+ iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0);
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ cmd->data.sbp.hdr.cmdlength = cmdlength;
+ cmd->data.sbp.hdr.command_code = setcmd;
+ cmd->data.sbp.hdr.used_total = 1;
+ cmd->data.sbp.hdr.seq_no = 1;
+ rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb,
+ (void *)&cbctl);
+ if (rc)
+ return rc;
+ rc = qeth_bridgeport_makerc(card, &cbctl, setcmd);
+ return rc;
+}
+
+/**
+ * qeth_anset_makerc() - derive "traditional" error from hardware codes.
+ * @card: qeth_card structure pointer, for debug messages.
+ *
+ * Returns negative errno-compatible error indication or 0 on success.
+ */
+static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response)
+{
+ int rc;
+
+ if (pnso_rc == 0)
+ switch (response) {
+ case 0x0001:
+ rc = 0;
+ break;
+ case 0x0004:
+ case 0x0100:
+ case 0x0106:
+ rc = -ENOSYS;
+ dev_err(&card->gdev->dev,
+ "Setting address notification failed\n");
+ break;
+ case 0x0107:
+ rc = -EAGAIN;
+ break;
+ default:
+ rc = -EIO;
+ }
+ else
+ rc = -EIO;
+
+ if (rc) {
+ QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc);
+ QETH_CARD_TEXT_(card, 2, "SBPr%04x", response);
+ }
+ return rc;
+}
+
+static void qeth_bridgeport_an_set_cb(void *priv,
+ enum qdio_brinfo_entry_type type, void *entry)
+{
+ struct qeth_card *card = (struct qeth_card *)priv;
+ struct qdio_brinfo_entry_l2 *l2entry;
+ u8 code;
+
+ if (type != l2_addr_lnid) {
+ WARN_ON_ONCE(1);
+ return;
+ }
+
+ l2entry = (struct qdio_brinfo_entry_l2 *)entry;
+ code = IPA_ADDR_CHANGE_CODE_MACADDR;
+ if (l2entry->addr_lnid.lnid)
+ code |= IPA_ADDR_CHANGE_CODE_VLANID;
+ qeth_bridge_emit_host_event(card, anev_reg_unreg, code,
+ (struct net_if_token *)&l2entry->nit,
+ (struct mac_addr_lnid *)&l2entry->addr_lnid);
+}
+
+/**
+ * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification
+ * @card: qeth_card structure pointer.
+ * @enable: 0 - disable, non-zero - enable notifications
+ *
+ * Returns negative errno-compatible error indication or 0 on success.
+ *
+ * On enable, emits a series of address notifications udev events for all
+ * currently registered hosts.
+ */
+int qeth_bridgeport_an_set(struct qeth_card *card, int enable)
+{
+ int rc;
+ u16 response;
+ struct ccw_device *ddev;
+ struct subchannel_id schid;
+
+ if (!card)
+ return -EINVAL;
+ if (!card->options.sbp.supported_funcs)
+ return -EOPNOTSUPP;
+ ddev = CARD_DDEV(card);
+ ccw_device_get_schid(ddev, &schid);
+
+ if (enable) {
+ qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL);
+ rc = qdio_pnso_brinfo(schid, 1, &response,
+ qeth_bridgeport_an_set_cb, card);
+ } else
+ rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL);
+ return qeth_anset_makerc(card, rc, response);
+}
+EXPORT_SYMBOL_GPL(qeth_bridgeport_an_set);
+
module_init(qeth_l2_init);
module_exit(qeth_l2_exit);
MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 10:29:34 +0000