diff options
| author |   Ursula Braun <ursula.braun@de.ibm.com> | 2010-01-11 02:50:50 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-01-13 20:34:55 -0800 |
| commit | 76b11f8e270f04851774ff64b16e29e5a43d3a1a (patch) | |
| tree | d4e7666c766bd1fba5ef2219717f302faf3a21bf /drivers/s390/net/qeth_l3_sys.c | |
| parent | e1000e: genericize the update multicast address list (diff) | |
| download | linux-dev-76b11f8e270f04851774ff64b16e29e5a43d3a1a.tar.xz linux-dev-76b11f8e270f04851774ff64b16e29e5a43d3a1a.zip | |
qeth: HiperSockets Network Traffic Analyzer
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net/qeth_l3_sys.c')
| -rw-r--r-- | drivers/s390/net/qeth_l3_sys.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c index 3360b0941aa1..3f08b11274ae 100644 --- 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_store(struct device *dev, 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_attrs[] = { &dev_attr_broadcast_mode.attr, &dev_attr_canonical_macaddr.attr, &dev_attr_checksumming.attr, + &dev_attr_sniffer.attr, &dev_attr_large_send.attr, NULL, }; |