* [patch 1/3] [PATCH] qeth: HiperSockets Network Traffic Analyzer
2010-01-11 12:50 [patch 0/3] s390: qeth patches for 2.6.34 frank.blaschka
@ 2010-01-11 12:50 ` frank.blaschka
2010-01-12 0:30 ` David Miller
2010-01-11 12:50 ` [patch 2/3] [PATCH] qeth: avoid recovery during device online setting frank.blaschka
2010-01-11 12:50 ` [patch 3/3] [PATCH] qeth: default BLKT values for new OSA/3 hardware frank.blaschka
2 siblings, 1 reply; 11+ messages in thread
From: frank.blaschka @ 2010-01-11 12:50 UTC (permalink / raw)
To: davem; +Cc: netdev, linux-s390, Ursula Braun
[-- Attachment #1: 602-qeth-traffic-analyzer.diff --]
[-- Type: text/plain, Size: 23876 bytes --]
From: Ursula Braun <ursula.braun@de.ibm.com>
New feature to trace HiperSockets network traffic for debugging
purposes.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
---
drivers/s390/net/qeth_core.h | 5 -
drivers/s390/net/qeth_core_main.c | 130 ++++++++++++++++------------
drivers/s390/net/qeth_core_mpc.h | 44 +++++++++
drivers/s390/net/qeth_core_sys.c | 8 +
drivers/s390/net/qeth_l2_main.c | 3
drivers/s390/net/qeth_l3.h | 2
drivers/s390/net/qeth_l3_main.c | 174 ++++++++++++++++++++++++++++++++------
drivers/s390/net/qeth_l3_sys.c | 56 ++++++++++++
8 files changed, 336 insertions(+), 86 deletions(-)
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -649,6 +649,7 @@ struct qeth_card_options {
int performance_stats;
int rx_sg_cb;
enum qeth_ipa_isolation_modes isolation;
+ int sniffer;
};
/*
@@ -737,6 +738,7 @@ struct qeth_card {
struct qeth_discipline discipline;
atomic_t force_alloc_skb;
struct service_level qeth_service_level;
+ struct qdio_ssqd_desc ssqd;
};
struct qeth_card_list_struct {
@@ -811,7 +813,8 @@ int qeth_send_ipa_cmd(struct qeth_card *
struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
enum qeth_ipa_cmds, enum qeth_prot_versions);
int qeth_query_setadapterparms(struct qeth_card *);
-int qeth_check_qdio_errors(struct qdio_buffer *, unsigned int, const char *);
+int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *,
+ unsigned int, const char *);
void qeth_queue_input_buffer(struct qeth_card *, int);
struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
struct qdio_buffer *, struct qdio_buffer_element **, int *,
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -269,6 +269,7 @@ int qeth_realloc_buffer_pool(struct qeth
card->qdio.init_pool.buf_count = bufcnt;
return qeth_alloc_buffer_pool(card);
}
+EXPORT_SYMBOL_GPL(qeth_realloc_buffer_pool);
static int qeth_issue_next_read(struct qeth_card *card)
{
@@ -350,8 +351,10 @@ static struct qeth_ipa_cmd *qeth_check_i
if (IS_IPA(iob->data)) {
cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
if (IS_IPA_REPLY(cmd)) {
- if (cmd->hdr.command < IPA_CMD_SETCCID ||
- cmd->hdr.command > IPA_CMD_MODCCID)
+ if (cmd->hdr.command != IPA_CMD_SETCCID &&
+ cmd->hdr.command != IPA_CMD_DELCCID &&
+ cmd->hdr.command != IPA_CMD_MODCCID &&
+ cmd->hdr.command != IPA_CMD_SET_DIAG_ASS)
qeth_issue_ipa_msg(cmd,
cmd->hdr.return_code, card);
return cmd;
@@ -1100,11 +1103,6 @@ static int qeth_setup_card(struct qeth_c
card->thread_running_mask = 0;
INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread);
INIT_LIST_HEAD(&card->ip_list);
- card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
- if (!card->ip_tbd_list) {
- QETH_DBF_TEXT(SETUP, 0, "iptbdnom");
- return -ENOMEM;
- }
INIT_LIST_HEAD(card->ip_tbd_list);
INIT_LIST_HEAD(&card->cmd_waiter_list);
init_waitqueue_head(&card->wait_q);
@@ -1138,21 +1136,30 @@ static struct qeth_card *qeth_alloc_card
QETH_DBF_TEXT(SETUP, 2, "alloccrd");
card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
if (!card)
- return NULL;
+ goto out;
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
- if (qeth_setup_channel(&card->read)) {
- kfree(card);
- return NULL;
- }
- if (qeth_setup_channel(&card->write)) {
- qeth_clean_channel(&card->read);
- kfree(card);
- return NULL;
+ card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
+ if (!card->ip_tbd_list) {
+ QETH_DBF_TEXT(SETUP, 0, "iptbdnom");
+ goto out_card;
}
+ if (qeth_setup_channel(&card->read))
+ goto out_ip;
+ if (qeth_setup_channel(&card->write))
+ goto out_channel;
card->options.layer2 = -1;
card->qeth_service_level.seq_print = qeth_core_sl_print;
register_service_level(&card->qeth_service_level);
return card;
+
+out_channel:
+ qeth_clean_channel(&card->read);
+out_ip:
+ kfree(card->ip_tbd_list);
+out_card:
+ kfree(card);
+out:
+ return NULL;
}
static int qeth_determine_card_type(struct qeth_card *card)
@@ -2573,8 +2580,8 @@ int qeth_query_setadapterparms(struct qe
}
EXPORT_SYMBOL_GPL(qeth_query_setadapterparms);
-int qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
- const char *dbftext)
+int qeth_check_qdio_errors(struct qeth_card *card, struct qdio_buffer *buf,
+ unsigned int qdio_error, const char *dbftext)
{
if (qdio_error) {
QETH_DBF_TEXT(TRACE, 2, dbftext);
@@ -2584,7 +2591,11 @@ int qeth_check_qdio_errors(struct qdio_b
QETH_DBF_TEXT_(QERR, 2, " F14=%02X",
buf->element[14].flags & 0xff);
QETH_DBF_TEXT_(QERR, 2, " qerr=%X", qdio_error);
- return 1;
+ if ((buf->element[15].flags & 0xff) == 0x12) {
+ card->stats.rx_dropped++;
+ return 0;
+ } else
+ return 1;
}
return 0;
}
@@ -2667,7 +2678,7 @@ static int qeth_handle_send_error(struct
qdio_err = 1;
}
}
- qeth_check_qdio_errors(buffer->buffer, qdio_err, "qouterr");
+ qeth_check_qdio_errors(card, buffer->buffer, qdio_err, "qouterr");
if (!qdio_err)
return QETH_SEND_ERROR_NONE;
@@ -3509,6 +3520,7 @@ void qeth_tx_timeout(struct net_device *
{
struct qeth_card *card;
+ QETH_DBF_TEXT(TRACE, 4, "txtimeo");
card = dev->ml_priv;
card->stats.tx_errors++;
qeth_schedule_recovery(card);
@@ -3847,9 +3859,7 @@ static int qeth_core_driver_group(const
int qeth_core_hardsetup_card(struct qeth_card *card)
{
- struct qdio_ssqd_desc *ssqd;
int retries = 0;
- int mpno = 0;
int rc;
QETH_DBF_TEXT(SETUP, 2, "hrdsetup");
@@ -3882,31 +3892,6 @@ retriable:
else
goto retry;
}
-
- rc = qeth_get_unitaddr(card);
- if (rc) {
- QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
- return rc;
- }
-
- ssqd = kmalloc(sizeof(struct qdio_ssqd_desc), GFP_KERNEL);
- if (!ssqd) {
- rc = -ENOMEM;
- goto out;
- }
- rc = qdio_get_ssqd_desc(CARD_DDEV(card), ssqd);
- if (rc == 0)
- mpno = ssqd->pcnt;
- kfree(ssqd);
-
- if (mpno)
- mpno = min(mpno - 1, QETH_MAX_PORTNO);
- if (card->info.portno > mpno) {
- QETH_DBF_MESSAGE(2, "Device %s does not offer port number %d"
- "\n.", CARD_BUS_ID(card), card->info.portno);
- rc = -ENODEV;
- goto out;
- }
qeth_init_tokens(card);
qeth_init_func_level(card);
rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
@@ -3990,7 +3975,7 @@ struct sk_buff *qeth_core_get_next_skb(s
struct qdio_buffer_element *element = *__element;
int offset = *__offset;
struct sk_buff *skb = NULL;
- int skb_len;
+ int skb_len = 0;
void *data_ptr;
int data_len;
int headroom = 0;
@@ -4009,20 +3994,24 @@ struct sk_buff *qeth_core_get_next_skb(s
*hdr = element->addr + offset;
offset += sizeof(struct qeth_hdr);
- if (card->options.layer2) {
- if (card->info.type == QETH_CARD_TYPE_OSN) {
- skb_len = (*hdr)->hdr.osn.pdu_length;
- headroom = sizeof(struct qeth_hdr);
- } else {
- skb_len = (*hdr)->hdr.l2.pkt_length;
- }
- } else {
+ switch ((*hdr)->hdr.l2.id) {
+ case QETH_HEADER_TYPE_LAYER2:
+ skb_len = (*hdr)->hdr.l2.pkt_length;
+ break;
+ case QETH_HEADER_TYPE_LAYER3:
skb_len = (*hdr)->hdr.l3.length;
if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) ||
(card->info.link_type == QETH_LINK_TYPE_HSTR))
headroom = TR_HLEN;
else
headroom = ETH_HLEN;
+ break;
+ case QETH_HEADER_TYPE_OSN:
+ skb_len = (*hdr)->hdr.osn.pdu_length;
+ headroom = sizeof(struct qeth_hdr);
+ break;
+ default:
+ break;
}
if (!skb_len)
@@ -4177,6 +4166,33 @@ void qeth_core_free_discipline(struct qe
card->discipline.ccwgdriver = NULL;
}
+static void qeth_determine_capabilities(struct qeth_card *card)
+{
+ int rc;
+
+ QETH_DBF_TEXT(SETUP, 2, "detcapab");
+ rc = ccw_device_set_online(CARD_DDEV(card));
+ if (rc) {
+ QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
+ goto out;
+ }
+
+ rc = qeth_get_unitaddr(card);
+ if (rc) {
+ QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
+ goto out_offline;
+ }
+
+ rc = qdio_get_ssqd_desc(CARD_DDEV(card), &card->ssqd);
+ if (rc)
+ QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
+
+out_offline:
+ ccw_device_set_offline(CARD_DDEV(card));
+out:
+ return;
+}
+
static int qeth_core_probe_device(struct ccwgroup_device *gdev)
{
struct qeth_card *card;
@@ -4242,6 +4258,8 @@ static int qeth_core_probe_device(struct
write_lock_irqsave(&qeth_core_card_list.rwlock, flags);
list_add_tail(&card->list, &qeth_core_card_list.list);
write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags);
+
+ qeth_determine_capabilities(card);
return 0;
err_card:
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -156,6 +156,8 @@ enum qeth_ipa_return_codes {
IPA_RC_IP_TABLE_FULL = 0x0002,
IPA_RC_UNKNOWN_ERROR = 0x0003,
IPA_RC_UNSUPPORTED_COMMAND = 0x0004,
+ IPA_RC_TRACE_ALREADY_ACTIVE = 0x0005,
+ IPA_RC_INVALID_FORMAT = 0x0006,
IPA_RC_DUP_IPV6_REMOTE = 0x0008,
IPA_RC_DUP_IPV6_HOME = 0x0010,
IPA_RC_UNREGISTERED_ADDR = 0x0011,
@@ -196,6 +198,11 @@ enum qeth_ipa_return_codes {
IPA_RC_INVALID_IP_VERSION2 = 0xf001,
IPA_RC_FFFF = 0xffff
};
+/* for DELIP */
+#define IPA_RC_IP_ADDRESS_NOT_DEFINED IPA_RC_PRIMARY_ALREADY_DEFINED
+/* for SET_DIAGNOSTIC_ASSIST */
+#define IPA_RC_INVALID_SUBCMD IPA_RC_IP_TABLE_FULL
+#define IPA_RC_HARDWARE_AUTH_ERROR IPA_RC_UNKNOWN_ERROR
/* IPA function flags; each flag marks availability of respective function */
enum qeth_ipa_funcs {
@@ -246,6 +253,7 @@ enum qeth_ipa_setadp_cmd {
IPA_SETADP_SET_SNMP_CONTROL = 0x00000200L,
IPA_SETADP_QUERY_CARD_INFO = 0x00000400L,
IPA_SETADP_SET_PROMISC_MODE = 0x00000800L,
+ IPA_SETADP_SET_DIAG_ASSIST = 0x00002000L,
IPA_SETADP_SET_ACCESS_CONTROL = 0x00010000L,
};
enum qeth_ipa_mac_ops {
@@ -424,6 +432,40 @@ struct qeth_create_destroy_address {
__u8 unique_id[8];
} __attribute__ ((packed));
+/* SET DIAGNOSTIC ASSIST IPA Command: *************************************/
+
+enum qeth_diags_cmds {
+ QETH_DIAGS_CMD_QUERY = 0x0001,
+ QETH_DIAGS_CMD_TRAP = 0x0002,
+ QETH_DIAGS_CMD_TRACE = 0x0004,
+ QETH_DIAGS_CMD_NOLOG = 0x0008,
+ QETH_DIAGS_CMD_DUMP = 0x0010,
+};
+
+enum qeth_diags_trace_types {
+ QETH_DIAGS_TYPE_HIPERSOCKET = 0x02,
+};
+
+enum qeth_diags_trace_cmds {
+ QETH_DIAGS_CMD_TRACE_ENABLE = 0x0001,
+ QETH_DIAGS_CMD_TRACE_DISABLE = 0x0002,
+ QETH_DIAGS_CMD_TRACE_MODIFY = 0x0004,
+ QETH_DIAGS_CMD_TRACE_REPLACE = 0x0008,
+ QETH_DIAGS_CMD_TRACE_QUERY = 0x0010,
+};
+
+struct qeth_ipacmd_diagass {
+ __u32 host_tod2;
+ __u32:32;
+ __u16 subcmd_len;
+ __u16:16;
+ __u32 subcmd;
+ __u8 type;
+ __u8 action;
+ __u16 options;
+ __u32:32;
+} __attribute__ ((packed));
+
/* Header for each IPA command */
struct qeth_ipacmd_hdr {
__u8 command;
@@ -452,6 +494,7 @@ struct qeth_ipa_cmd {
struct qeth_create_destroy_address create_destroy_addr;
struct qeth_ipacmd_setadpparms setadapterparms;
struct qeth_set_routing setrtg;
+ struct qeth_ipacmd_diagass diagass;
} data;
} __attribute__ ((packed));
@@ -469,7 +512,6 @@ enum qeth_ipa_arp_return_codes {
QETH_IPA_ARP_RC_Q_NO_DATA = 0x0008,
};
-
extern char *qeth_get_ipa_msg(enum qeth_ipa_return_codes rc);
extern char *qeth_get_ipa_cmd_name(enum qeth_ipa_cmds cmd);
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -118,7 +118,7 @@ static ssize_t qeth_dev_portno_store(str
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
- unsigned int portno;
+ unsigned int portno, limit;
if (!card)
return -EINVAL;
@@ -128,9 +128,11 @@ static ssize_t qeth_dev_portno_store(str
return -EPERM;
portno = simple_strtoul(buf, &tmp, 16);
- if (portno > QETH_MAX_PORTNO) {
+ if (portno > QETH_MAX_PORTNO)
+ return -EINVAL;
+ limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
+ if (portno > limit)
return -EINVAL;
- }
card->info.portno = portno;
return count;
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -769,7 +769,8 @@ static void qeth_l2_qdio_input_handler(s
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_check_qdio_errors(card, 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);
--- a/drivers/s390/net/qeth_l3.h
+++ b/drivers/s390/net/qeth_l3.h
@@ -13,6 +13,8 @@
#include "qeth_core.h"
+#define QETH_SNIFF_AVAIL 0x0008
+
struct qeth_ipaddr {
struct list_head entry;
enum qeth_ip_types type;
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -242,6 +242,8 @@ static int __qeth_l3_insert_ip_todo(stru
struct qeth_ipaddr *tmp, *t;
int found = 0;
+ if (card->options.sniffer)
+ return 0;
list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
(tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
@@ -457,6 +459,8 @@ static void qeth_l3_set_ip_addr_list(str
QETH_DBF_TEXT(TRACE, 2, "sdiplist");
QETH_DBF_HEX(TRACE, 2, &card, sizeof(void *));
+ if (card->options.sniffer)
+ return;
spin_lock_irqsave(&card->ip_lock, flags);
tbd_list = card->ip_tbd_list;
card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
@@ -495,7 +499,7 @@ static void qeth_l3_set_ip_addr_list(str
spin_unlock_irqrestore(&card->ip_lock, flags);
rc = qeth_l3_deregister_addr_entry(card, addr);
spin_lock_irqsave(&card->ip_lock, flags);
- if (!rc || (rc == IPA_RC_PRIMARY_ALREADY_DEFINED))
+ if (!rc || (rc == IPA_RC_IP_ADDRESS_NOT_DEFINED))
kfree(addr);
else
list_add_tail(&addr->entry, &card->ip_list);
@@ -513,6 +517,8 @@ static void qeth_l3_clear_ip_list(struct
unsigned long flags;
QETH_DBF_TEXT(TRACE, 4, "clearip");
+ if (recover && card->options.sniffer)
+ return;
spin_lock_irqsave(&card->ip_lock, flags);
/* clear todo list */
list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry) {
@@ -1674,6 +1680,76 @@ static int qeth_l3_get_unique_id(struct
return rc;
}
+static int
+qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply,
+ unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd;
+ __u16 rc;
+
+ QETH_DBF_TEXT(SETUP, 2, "diastrcb");
+
+ cmd = (struct qeth_ipa_cmd *)data;
+ rc = cmd->hdr.return_code;
+ if (rc) {
+ QETH_DBF_TEXT_(TRACE, 2, "dxter%x", rc);
+ if (cmd->data.diagass.action == QETH_DIAGS_CMD_TRACE_ENABLE) {
+ switch (rc) {
+ case IPA_RC_HARDWARE_AUTH_ERROR:
+ dev_warn(&card->gdev->dev, "The device is not "
+ "authorized to run as a HiperSockets "
+ "network traffic analyzer\n");
+ break;
+ case IPA_RC_TRACE_ALREADY_ACTIVE:
+ dev_warn(&card->gdev->dev, "A HiperSockets "
+ "network traffic analyzer is already "
+ "active in the HiperSockets LAN\n");
+ break;
+ default:
+ break;
+ }
+ }
+ return 0;
+ }
+
+ switch (cmd->data.diagass.action) {
+ case QETH_DIAGS_CMD_TRACE_QUERY:
+ break;
+ case QETH_DIAGS_CMD_TRACE_DISABLE:
+ card->info.promisc_mode = SET_PROMISC_MODE_OFF;
+ dev_info(&card->gdev->dev, "The HiperSockets network traffic "
+ "analyzer is deactivated\n");
+ break;
+ case QETH_DIAGS_CMD_TRACE_ENABLE:
+ card->info.promisc_mode = SET_PROMISC_MODE_ON;
+ dev_info(&card->gdev->dev, "The HiperSockets network traffic "
+ "analyzer is activated\n");
+ break;
+ default:
+ QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n",
+ cmd->data.diagass.action, QETH_CARD_IFNAME(card));
+ }
+
+ return 0;
+}
+
+static int
+qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd)
+{
+ struct qeth_cmd_buffer *iob;
+ struct qeth_ipa_cmd *cmd;
+
+ QETH_DBF_TEXT(SETUP, 2, "diagtrac");
+
+ iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ cmd->data.diagass.subcmd_len = 16;
+ cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRACE;
+ cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET;
+ cmd->data.diagass.action = diags_cmd;
+ return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL);
+}
+
static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac,
struct net_device *dev)
{
@@ -1951,7 +2027,10 @@ static inline __u16 qeth_l3_rebuild_skb(
case QETH_CAST_ANYCAST:
case QETH_CAST_NOCAST:
default:
- skb->pkt_type = PACKET_HOST;
+ if (card->options.sniffer)
+ skb->pkt_type = PACKET_OTHERHOST;
+ else
+ skb->pkt_type = PACKET_HOST;
memcpy(tg_addr, card->dev->dev_addr,
card->dev->addr_len);
}
@@ -2007,7 +2086,6 @@ static void qeth_l3_process_inbound_buff
int offset;
__u16 vlan_tag = 0;
unsigned int len;
-
/* get first element of current buffer */
element = (struct qdio_buffer_element *)&buf->buffer->element[0];
offset = 0;
@@ -2026,7 +2104,7 @@ static void qeth_l3_process_inbound_buff
case QETH_HEADER_TYPE_LAYER3:
vlan_tag = qeth_l3_rebuild_skb(card, skb, hdr);
len = skb->len;
- if (vlan_tag)
+ if (vlan_tag && !card->options.sniffer)
if (card->vlangrp)
vlan_hwaccel_rx(skb, card->vlangrp,
vlan_tag);
@@ -2037,6 +2115,16 @@ static void qeth_l3_process_inbound_buff
else
netif_rx(skb);
break;
+ case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */
+ 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;
+ len = skb->len;
+ netif_receive_skb(skb);
+ break;
default:
dev_kfree_skb_any(skb);
QETH_DBF_TEXT(TRACE, 3, "inbunkno");
@@ -2118,6 +2206,9 @@ static int qeth_l3_stop_card(struct qeth
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
qeth_set_allowed_threads(card, 0, 1);
+ if (card->options.sniffer &&
+ (card->info.promisc_mode == SET_PROMISC_MODE_ON))
+ qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE);
if (card->read.state == CH_STATE_UP &&
card->write.state == CH_STATE_UP &&
(card->state == CARD_STATE_UP)) {
@@ -2162,6 +2253,36 @@ static int qeth_l3_stop_card(struct qeth
return rc;
}
+/*
+ * test for and Switch promiscuous mode (on or off)
+ * either for guestlan or HiperSocket Sniffer
+ */
+static void
+qeth_l3_handle_promisc_mode(struct qeth_card *card)
+{
+ struct net_device *dev = card->dev;
+
+ if (((dev->flags & IFF_PROMISC) &&
+ (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
+ (!(dev->flags & IFF_PROMISC) &&
+ (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
+ return;
+
+ if (card->info.guestlan) { /* Guestlan trace */
+ if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
+ qeth_setadp_promisc_mode(card);
+ } else if (card->options.sniffer && /* HiperSockets trace */
+ qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) {
+ if (dev->flags & IFF_PROMISC) {
+ QETH_DBF_TEXT(TRACE, 3, "+promisc");
+ qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE);
+ } else {
+ QETH_DBF_TEXT(TRACE, 3, "-promisc");
+ qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE);
+ }
+ }
+}
+
static void qeth_l3_set_multicast_list(struct net_device *dev)
{
struct qeth_card *card = dev->ml_priv;
@@ -2170,15 +2291,17 @@ static void qeth_l3_set_multicast_list(s
if (qeth_threads_running(card, QETH_RECOVER_THREAD) &&
(card->state != CARD_STATE_UP))
return;
- qeth_l3_delete_mc_addresses(card);
- qeth_l3_add_multicast_ipv4(card);
+ if (!card->options.sniffer) {
+ qeth_l3_delete_mc_addresses(card);
+ qeth_l3_add_multicast_ipv4(card);
#ifdef CONFIG_QETH_IPV6
- qeth_l3_add_multicast_ipv6(card);
+ qeth_l3_add_multicast_ipv6(card);
#endif
- qeth_l3_set_ip_addr_list(card);
- if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
- return;
- qeth_setadp_promisc_mode(card);
+ qeth_l3_set_ip_addr_list(card);
+ if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
+ return;
+ }
+ qeth_l3_handle_promisc_mode(card);
}
static const char *qeth_l3_arp_get_error_cause(int *rc)
@@ -2778,8 +2901,9 @@ static int qeth_l3_hard_start_xmit(struc
int nr_frags;
if ((card->info.type == QETH_CARD_TYPE_IQD) &&
- (skb->protocol != htons(ETH_P_IPV6)) &&
- (skb->protocol != htons(ETH_P_IP)))
+ (((skb->protocol != htons(ETH_P_IPV6)) &&
+ (skb->protocol != htons(ETH_P_IP))) ||
+ card->options.sniffer))
goto tx_drop;
if ((card->state != CARD_STATE_UP) || !card->lan_online) {
@@ -3155,7 +3279,7 @@ static void qeth_l3_qdio_input_handler(s
index = i % QDIO_MAX_BUFFERS_PER_Q;
buffer = &card->qdio.in_q->bufs[index];
if (!(qdio_err &&
- qeth_check_qdio_errors(buffer->buffer,
+ qeth_check_qdio_errors(card, buffer->buffer,
qdio_err, "qinerr")))
qeth_l3_process_inbound_buffer(card, buffer, index);
/* clear buffer and give back to hardware */
@@ -3250,20 +3374,22 @@ static int __qeth_l3_set_online(struct c
goto out_remove;
} else
card->lan_online = 1;
- qeth_l3_set_large_send(card, card->options.large_send);
rc = qeth_l3_setadapter_parms(card);
if (rc)
QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
- rc = qeth_l3_start_ipassists(card);
- if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
- rc = qeth_l3_setrouting_v4(card);
- if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
- rc = qeth_l3_setrouting_v6(card);
- if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
+ if (!card->options.sniffer) {
+ rc = qeth_l3_start_ipassists(card);
+ if (rc)
+ QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
+ qeth_l3_set_large_send(card, card->options.large_send);
+ rc = qeth_l3_setrouting_v4(card);
+ if (rc)
+ QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
+ rc = qeth_l3_setrouting_v6(card);
+ if (rc)
+ QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
+ }
netif_tx_disable(card->dev);
rc = qeth_init_qdio_queues(card);
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -319,6 +319,61 @@ static ssize_t qeth_l3_dev_checksum_stor
static DEVICE_ATTR(checksumming, 0644, qeth_l3_dev_checksum_show,
qeth_l3_dev_checksum_store);
+static ssize_t qeth_l3_dev_sniffer_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%i\n", card->options.sniffer ? 1 : 0);
+}
+
+static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ int ret;
+ unsigned long i;
+
+ if (!card)
+ return -EINVAL;
+
+ if (card->info.type != QETH_CARD_TYPE_IQD)
+ return -EPERM;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ ret = strict_strtoul(buf, 16, &i);
+ if (ret)
+ return -EINVAL;
+ switch (i) {
+ case 0:
+ card->options.sniffer = i;
+ break;
+ case 1:
+ ret = qdio_get_ssqd_desc(CARD_DDEV(card), &card->ssqd);
+ if (card->ssqd.qdioac2 & QETH_SNIFF_AVAIL) {
+ card->options.sniffer = i;
+ if (card->qdio.init_pool.buf_count !=
+ QETH_IN_BUF_COUNT_MAX)
+ qeth_realloc_buffer_pool(card,
+ QETH_IN_BUF_COUNT_MAX);
+ break;
+ } else
+ return -EPERM;
+ default: /* fall through */
+ return -EINVAL;
+ }
+ return count;
+}
+
+static DEVICE_ATTR(sniffer, 0644, qeth_l3_dev_sniffer_show,
+ qeth_l3_dev_sniffer_store);
+
static ssize_t qeth_l3_dev_large_send_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -373,6 +428,7 @@ static struct attribute *qeth_l3_device_
&dev_attr_broadcast_mode.attr,
&dev_attr_canonical_macaddr.attr,
&dev_attr_checksumming.attr,
+ &dev_attr_sniffer.attr,
&dev_attr_large_send.attr,
NULL,
};
^ permalink raw reply [flat|nested] 11+ messages in thread