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Merge branch 'qeth-next' 

Ursula Braun says:

====================
s390: network patches for net-next

here are s390 related patches for net-next
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-05-18 12:14:18 -04:00
parent b9fbe709de 89a2a8e76b
commit 17032ae32d
9 changed files with 165 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Documentation/s390/qeth.txt
View File

@ -1,6 +1,6 @@
IBM s390 QDIO Ethernet Driver
HiperSockets Bridge Port Support
OSA and HiperSockets Bridge Port Support
Uevents
@ -8,7 +8,7 @@ To generate the events the device must be assigned a role of either
a primary or a secondary Bridge Port. For more information, see
"z/VM Connectivity, SC24-6174".
When run on HiperSockets Bridge Capable Port hardware, and the state
When run on an OSA or HiperSockets Bridge Capable Port hardware, and the state
of some configured Bridge Port device on the channel changes, a udev
event with ACTION=CHANGE is emitted on behalf of the corresponding
ccwgroup device. The event has the following attributes:

2
drivers/s390/net/lcs.c
View File

@ -2150,7 +2150,7 @@ lcs_new_device(struct ccwgroup_device *ccwgdev)
rc = lcs_detect(card);
if (rc) {
LCS_DBF_TEXT(2, setup, "dtctfail");
dev_err(&card->dev->dev,
dev_err(&ccwgdev->dev,
"Detecting a network adapter for LCS devices"
" failed with rc=%d (0x%x)\n", rc, rc);
lcs_stopcard(card);

2
drivers/s390/net/qeth_core.h
View File

@ -175,6 +175,8 @@ struct qeth_sbp_info {
__u32 supported_funcs;
enum qeth_sbp_roles role;
__u32 hostnotification:1;
__u32 reflect_promisc:1;
__u32 reflect_promisc_primary:1;
};
static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,

3
drivers/s390/net/qeth_core_main.c
View File

@ -645,7 +645,8 @@ static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
card->info.hwtrap = 2;
qeth_schedule_recovery(card);
return NULL;
case IPA_CMD_SETBRIDGEPORT:
case IPA_CMD_SETBRIDGEPORT_IQD:
case IPA_CMD_SETBRIDGEPORT_OSA:
case IPA_CMD_ADDRESS_CHANGE_NOTIF:
if (card->discipline->control_event_handler
(card, cmd))

3
drivers/s390/net/qeth_core_mpc.c
View File

@ -237,6 +237,7 @@ static struct ipa_cmd_names qeth_ipa_cmd_names[] = {
{IPA_CMD_DELGMAC, "delgmac"},
{IPA_CMD_SETVLAN, "setvlan"},
{IPA_CMD_DELVLAN, "delvlan"},
{IPA_CMD_SETBRIDGEPORT_OSA, "set_bridge_port(osa)"},
{IPA_CMD_SETCCID, "setccid"},
{IPA_CMD_DELCCID, "delccid"},
{IPA_CMD_MODCCID, "modccid"},
@ -249,7 +250,7 @@ static struct ipa_cmd_names qeth_ipa_cmd_names[] = {
{IPA_CMD_DELIP, "delip"},
{IPA_CMD_SETADAPTERPARMS, "setadapterparms"},
{IPA_CMD_SET_DIAG_ASS, "set_diag_ass"},
{IPA_CMD_SETBRIDGEPORT, "set_bridge_port"},
{IPA_CMD_SETBRIDGEPORT_IQD, "set_bridge_port(hs)"},
{IPA_CMD_CREATE_ADDR, "create_addr"},
{IPA_CMD_DESTROY_ADDR, "destroy_addr"},
{IPA_CMD_REGISTER_LOCAL_ADDR, "register_local_addr"},

3
drivers/s390/net/qeth_core_mpc.h
View File

@ -92,6 +92,7 @@ enum qeth_ipa_cmds {
IPA_CMD_DELGMAC = 0x24,
IPA_CMD_SETVLAN = 0x25,
IPA_CMD_DELVLAN = 0x26,
IPA_CMD_SETBRIDGEPORT_OSA = 0x2b,
IPA_CMD_SETCCID = 0x41,
IPA_CMD_DELCCID = 0x42,
IPA_CMD_MODCCID = 0x43,
@ -104,7 +105,7 @@ enum qeth_ipa_cmds {
IPA_CMD_DELIP = 0xb7,
IPA_CMD_SETADAPTERPARMS = 0xb8,
IPA_CMD_SET_DIAG_ASS = 0xb9,
IPA_CMD_SETBRIDGEPORT = 0xbe,
IPA_CMD_SETBRIDGEPORT_IQD = 0xbe,
IPA_CMD_CREATE_ADDR = 0xc3,
IPA_CMD_DESTROY_ADDR = 0xc4,
IPA_CMD_REGISTER_LOCAL_ADDR = 0xd1,

124
drivers/s390/net/qeth_l2_main.c
View File

@ -137,7 +137,7 @@ static int qeth_setdel_makerc(struct qeth_card *card, int retcode)
rc = 0;
break;
case IPA_RC_L2_UNSUPPORTED_CMD:
rc = -ENOSYS;
rc = -EOPNOTSUPP;
break;
case IPA_RC_L2_ADDR_TABLE_FULL:
rc = -ENOSPC;
@ -683,6 +683,39 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
return rc ? -EINVAL : 0;
}
static void qeth_promisc_to_bridge(struct qeth_card *card)
{
struct net_device *dev = card->dev;
enum qeth_ipa_promisc_modes promisc_mode;
int role;
int rc;
QETH_CARD_TEXT(card, 3, "pmisc2br");
if (!card->options.sbp.reflect_promisc)
return;
promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON
: SET_PROMISC_MODE_OFF;
if (promisc_mode == card->info.promisc_mode)
return;
if (promisc_mode == SET_PROMISC_MODE_ON) {
if (card->options.sbp.reflect_promisc_primary)
role = QETH_SBP_ROLE_PRIMARY;
else
role = QETH_SBP_ROLE_SECONDARY;
} else
role = QETH_SBP_ROLE_NONE;
rc = qeth_bridgeport_setrole(card, role);
QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x",
(promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc);
if (!rc) {
card->options.sbp.role = role;
card->info.promisc_mode = promisc_mode;
}
}
static void qeth_l2_set_multicast_list(struct net_device *dev)
{
struct qeth_card *card = dev->ml_priv;
@ -704,9 +737,10 @@ static void qeth_l2_set_multicast_list(struct net_device *dev)
qeth_l2_add_mc(card, ha->addr, 1);
spin_unlock_bh(&card->mclock);
if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
return;
qeth_setadp_promisc_mode(card);
if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
qeth_setadp_promisc_mode(card);
else
qeth_promisc_to_bridge(card);
}
static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
@ -994,7 +1028,7 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
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");
"The device represents a Bridge Capable Port\n");
qeth_trace_features(card);
if (!card->dev && qeth_l2_setup_netdev(card)) {
@ -1247,7 +1281,8 @@ static int qeth_l2_control_event(struct qeth_card *card,
struct qeth_ipa_cmd *cmd)
{
switch (cmd->hdr.command) {
case IPA_CMD_SETBRIDGEPORT:
case IPA_CMD_SETBRIDGEPORT_OSA:
case IPA_CMD_SETBRIDGEPORT_IQD:
if (cmd->data.sbp.hdr.command_code ==
IPA_SBP_BRIDGE_PORT_STATE_CHANGE) {
qeth_bridge_state_change(card, cmd);
@ -1533,7 +1568,7 @@ static void qeth_bridge_host_event_worker(struct work_struct *work)
if (data->hostevs.lost_event_mask) {
dev_info(&data->card->gdev->dev,
"Address notification from the HiperSockets Bridge Port stopped %s (%s)\n",
"Address notification from the Bridge Port stopped %s (%s)\n",
data->card->dev->name,
(data->hostevs.lost_event_mask == 0x01)
? "Overflow"
@ -1617,70 +1652,80 @@ static int qeth_bridgeport_makerc(struct qeth_card *card,
struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd)
{
int rc;
int is_iqd = (card->info.type == QETH_CARD_TYPE_IQD);
switch (cbctl->ipa_rc) {
case IPA_RC_SUCCESS:
if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) ||
(!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc)))
switch (cbctl->cmd_rc) {
case 0x0000:
rc = 0;
break;
case 0x2B04:
case 0x0004:
rc = -ENOSYS;
rc = -EOPNOTSUPP;
break;
case 0x2B0C:
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");
"The device is not configured as a Bridge Port\n");
break;
case 0x2B14:
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");
"The 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");
"The device is already a primary Bridge Port\n");
break;
default:
rc = -EIO;
}
break;
case 0x2B18:
case 0x0018: /* This device is currently Secondary */
rc = -EBUSY;
dev_err(&card->gdev->dev,
"The HiperSockets device is already a secondary Bridge Port\n");
"The device is already a secondary Bridge Port\n");
break;
case 0x2B1C:
case 0x001C: /* Limit for Secondary devices reached */
rc = -EEXIST;
dev_err(&card->gdev->dev,
"The HiperSockets LAN cannot have more secondary Bridge Ports\n");
"The LAN cannot have more secondary Bridge Ports\n");
break;
case 0x2B24:
case 0x0024: /* This device is currently Primary */
rc = -EBUSY;
dev_err(&card->gdev->dev,
"The HiperSockets device is already a primary Bridge Port\n");
"The device is already a primary Bridge Port\n");
break;
case 0x2B20:
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");
"The 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;
}
else
switch (cbctl->ipa_rc) {
case IPA_RC_NOTSUPP:
rc = -EOPNOTSUPP;
break;
case IPA_RC_UNSUPPORTED_COMMAND:
rc = -EOPNOTSUPP;
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);
@ -1688,6 +1733,13 @@ static int qeth_bridgeport_makerc(struct qeth_card *card,
return rc;
}
static inline int ipa_cmd_sbp(struct qeth_card *card)
{
return (card->info.type == QETH_CARD_TYPE_IQD) ?
IPA_CMD_SETBRIDGEPORT_IQD :
IPA_CMD_SETBRIDGEPORT_OSA;
}
static int qeth_bridgeport_query_support_cb(struct qeth_card *card,
struct qeth_reply *reply, unsigned long data)
{
@ -1719,7 +1771,7 @@ static void qeth_bridgeport_query_support(struct qeth_card *card)
struct _qeth_sbp_cbctl cbctl;
QETH_CARD_TEXT(card, 2, "brqsuppo");
iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0);
iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
if (!iob)
return;
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
@ -1796,7 +1848,7 @@ int qeth_bridgeport_query_ports(struct qeth_card *card,
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);
iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
if (!iob)
return -ENOMEM;
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
@ -1808,10 +1860,9 @@ int qeth_bridgeport_query_ports(struct qeth_card *card,
cmd->data.sbp.hdr.seq_no = 1;
rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb,
(void *)&cbctl);
if (rc)
if (rc < 0)
return rc;
rc = qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS);
return rc;
return qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS);
}
EXPORT_SYMBOL_GPL(qeth_bridgeport_query_ports);
@ -1864,7 +1915,7 @@ int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role)
}
if (!(card->options.sbp.supported_funcs & setcmd))
return -EOPNOTSUPP;
iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0);
iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
if (!iob)
return -ENOMEM;
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
@ -1874,10 +1925,9 @@ int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role)
cmd->data.sbp.hdr.seq_no = 1;
rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb,
(void *)&cbctl);
if (rc)
if (rc < 0)
return rc;
rc = qeth_bridgeport_makerc(card, &cbctl, setcmd);
return rc;
return qeth_bridgeport_makerc(card, &cbctl, setcmd);
}
/**
@ -1898,7 +1948,7 @@ static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response)
case 0x0004:
case 0x0100:
case 0x0106:
rc = -ENOSYS;
rc = -EOPNOTSUPP;
dev_err(&card->gdev->dev,
"Setting address notification failed\n");
break;

74
drivers/s390/net/qeth_l2_sys.c
View File

@ -23,8 +23,6 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev,
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
if (qeth_card_hw_is_reachable(card) &&
card->options.sbp.supported_funcs)
rc = qeth_bridgeport_query_ports(card,
@ -59,8 +57,6 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev,
rc = sprintf(buf, "%s\n", word);
}
mutex_unlock(&card->conf_mutex);
return rc;
}
@ -90,7 +86,9 @@ static ssize_t qeth_bridge_port_role_store(struct device *dev,
mutex_lock(&card->conf_mutex);
if (qeth_card_hw_is_reachable(card)) {
if (card->options.sbp.reflect_promisc) /* Forbid direct manipulation */
rc = -EPERM;
else if (qeth_card_hw_is_reachable(card)) {
rc = qeth_bridgeport_setrole(card, role);
if (!rc)
card->options.sbp.role = role;
@ -123,12 +121,8 @@ static ssize_t qeth_bridgeport_hostnotification_show(struct device *dev,
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
enabled = card->options.sbp.hostnotification;
mutex_unlock(&card->conf_mutex);
return sprintf(buf, "%d\n", enabled);
}
@ -167,10 +161,72 @@ static DEVICE_ATTR(bridge_hostnotify, 0644,
qeth_bridgeport_hostnotification_show,
qeth_bridgeport_hostnotification_store);
static ssize_t qeth_bridgeport_reflect_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
char *state;
if (!card)
return -EINVAL;
if (card->options.sbp.reflect_promisc) {
if (card->options.sbp.reflect_promisc_primary)
state = "primary";
else
state = "secondary";
} else
state = "none";
return sprintf(buf, "%s\n", state);
}
static ssize_t qeth_bridgeport_reflect_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
int enable, primary;
int rc = 0;
if (!card)
return -EINVAL;
if (sysfs_streq(buf, "none")) {
enable = 0;
primary = 0;
} else if (sysfs_streq(buf, "primary")) {
enable = 1;
primary = 1;
} else if (sysfs_streq(buf, "secondary")) {
enable = 1;
primary = 0;
} else
return -EINVAL;
mutex_lock(&card->conf_mutex);
if (card->options.sbp.role != QETH_SBP_ROLE_NONE)
rc = -EPERM;
else {
card->options.sbp.reflect_promisc = enable;
card->options.sbp.reflect_promisc_primary = primary;
rc = 0;
}
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(bridge_reflect_promisc, 0644,
qeth_bridgeport_reflect_show,
qeth_bridgeport_reflect_store);
static struct attribute *qeth_l2_bridgeport_attrs[] = {
&dev_attr_bridge_role.attr,
&dev_attr_bridge_state.attr,
&dev_attr_bridge_hostnotify.attr,
&dev_attr_bridge_reflect_promisc.attr,
NULL,
};

9
drivers/s390/net/qeth_l3_main.c
View File

@ -3198,8 +3198,7 @@ static int qeth_l3_set_features(struct net_device *dev,
netdev_features_t features)
{
struct qeth_card *card = dev->ml_priv;
u32 changed = dev->features ^ features;
int err;
netdev_features_t changed = dev->features ^ features;
if (!(changed & NETIF_F_RXCSUM))
return 0;
@ -3208,11 +3207,7 @@ static int qeth_l3_set_features(struct net_device *dev,
card->state == CARD_STATE_RECOVER)
return 0;
err = qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM);
if (err)
dev->features = features ^ NETIF_F_RXCSUM;
return err;
return qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM ? 1 : 0);
}
static const struct ethtool_ops qeth_l3_ethtool_ops = {