diff options
author | Frank Pavlic <fpavlic@de.ibm.com> | 2005-11-10 13:51:25 +0100 |
---|---|---|
committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-11 08:26:22 -0500 |
commit | 6c951b9051f2094dd98bafcb46e7e6b3e8813231 (patch) | |
tree | 6625f15a30e4efc90a5ff24e8a7140fbb67732c9 /drivers/s390/net/qeth_main.c | |
parent | e08d88cccbe0dfcfbaffb704d24e19803407935d (diff) |
[PATCH] s390: introduce guestLan sniffer support in qeth
[patch 6/7] s390: introduce guestLan sniffer support in qeth
From: Peter Tiedemann <ptiedem@de.ibm.com>
- introduce guestLan sniffer support in qeth
feature allows a linux in a virtual machine
guest to become a network LAN sniffer,
monitoring and recording the networking traffic
within an entire guestLan.
Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
diffstat:
qeth.h | 2 +
qeth_main.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
qeth_mpc.h | 11 ++++---
3 files changed, 102 insertions(+), 4 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/s390/net/qeth_main.c')
-rw-r--r-- | drivers/s390/net/qeth_main.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 0f7f5117f1c..db07e465060 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -160,6 +160,9 @@ static void qeth_set_multicast_list(struct net_device *); static void +qeth_setadp_promisc_mode(struct qeth_card *); + +static void qeth_notify_processes(void) { /*notify all registered processes */ @@ -965,6 +968,24 @@ qeth_register_ip_addresses(void *ptr) return 0; } +/* + * Drive the SET_PROMISC_MODE thread + */ +static int +qeth_set_promisc_mode(void *ptr) +{ + struct qeth_card *card = (struct qeth_card *) ptr; + + daemonize("qeth_setprm"); + QETH_DBF_TEXT(trace,4,"setprm1"); + if (!qeth_do_run_thread(card, QETH_SET_PROMISC_MODE_THREAD)) + return 0; + QETH_DBF_TEXT(trace,4,"setprm2"); + qeth_setadp_promisc_mode(card); + qeth_clear_thread_running_bit(card, QETH_SET_PROMISC_MODE_THREAD); + return 0; +} + static int qeth_recover(void *ptr) { @@ -1031,6 +1052,8 @@ qeth_start_kernel_thread(struct qeth_card *card) if (qeth_do_start_thread(card, QETH_SET_IP_THREAD)) kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD); + if (qeth_do_start_thread(card, QETH_SET_PROMISC_MODE_THREAD)) + kernel_thread(qeth_set_promisc_mode, (void *)card, SIGCHLD); if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) kernel_thread(qeth_recover, (void *) card, SIGCHLD); } @@ -5003,6 +5026,10 @@ qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); static int +qeth_default_setadapterparms_cb(struct qeth_card *card, + struct qeth_reply *reply, + unsigned long data); +static int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16, long, int (*reply_cb) @@ -5476,6 +5503,59 @@ qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) qeth_set_multicast_list(card->dev); } #endif +/** + * Examine hardware response to SET_PROMISC_MODE + */ +static int +qeth_setadp_promisc_mode_cb(struct qeth_card *card, + struct qeth_reply *reply, + unsigned long data) +{ + struct qeth_ipa_cmd *cmd; + struct qeth_ipacmd_setadpparms *setparms; + + QETH_DBF_TEXT(trace,4,"prmadpcb"); + + cmd = (struct qeth_ipa_cmd *) data; + setparms = &(cmd->data.setadapterparms); + + qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); + if (cmd->hdr.return_code) { + QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code); + setparms->data.mode = SET_PROMISC_MODE_OFF; + } + card->info.promisc_mode = setparms->data.mode; + return 0; +} +/* + * Set promiscuous mode (on or off) (SET_PROMISC_MODE command) + */ +static void +qeth_setadp_promisc_mode(struct qeth_card *card) +{ + enum qeth_ipa_promisc_modes mode; + struct net_device *dev = card->dev; + struct qeth_cmd_buffer *iob; + struct qeth_ipa_cmd *cmd; + + QETH_DBF_TEXT(trace, 4, "setprom"); + + 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; + mode = SET_PROMISC_MODE_OFF; + if (dev->flags & IFF_PROMISC) + mode = SET_PROMISC_MODE_ON; + QETH_DBF_TEXT_(trace, 4, "mode:%x", mode); + + iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE, + sizeof(struct qeth_ipacmd_setadpparms)); + cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE); + cmd->data.setadapterparms.data.mode = mode; + qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL); +} /** * set multicast address on card @@ -5501,6 +5581,11 @@ qeth_set_multicast_list(struct net_device *dev) out: if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) schedule_work(&card->kernel_thread_starter); + if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) + return; + if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0) + schedule_work(&card->kernel_thread_starter); + } static int @@ -6510,6 +6595,8 @@ qeth_default_setadapterparms_cb(struct qeth_card *card, return 0; } + + static int qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) @@ -6676,6 +6763,12 @@ qeth_layer2_initialize(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) { + PRINT_WARN("could not query adapter parameters on device %s: " + "x%x\n", CARD_BUS_ID(card), rc); + } + rc = qeth_setadpparms_change_macaddr(card); if (rc) { PRINT_WARN("couldn't get MAC address on " |