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linux/drivers/s390/net
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Julian Wiedmann b7493e91c1 s390/qeth: use Read device to query hypervisor for MAC 
For z/VM NICs, qeth needs to consider which of the three CCW devices in
an MPC group it uses for requesting a managed MAC address.

On the Base device, the hypervisor returns a default MAC which is
pre-assigned when creating the NIC (this MAC is also returned by the
READ MAC primitive). Querying any other device results in the allocation
of an additional MAC address.

For consistency with READ MAC and to avoid using up more addresses than
necessary, it is preferable to use the NIC's default MAC. So switch the
the diag26c over to using a NIC's Read device, which should always be
identical to the Base device.

Fixes: ec61bd2fd2 ("s390/qeth: use diag26c to get MAC address on L2")
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-22 14:42:32 -04:00
..
ctcm_dbug.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ctcm_dbug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ctcm_fsms.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ctcm_fsms.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ctcm_main.c s390: net: add SPDX identifiers to the remaining files 2017-11-24 14:28:43 +01:00
ctcm_main.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ctcm_mpc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ctcm_mpc.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ctcm_sysfs.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fsm.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2017-11-30 08:13:36 -08:00
fsm.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig s390/qeth: drop CONFIG_QETH_IPV6 2017-12-20 15:23:44 -05:00
lcs.c net: convert lcs_reply.refcnt from atomic_t to refcount_t 2017-12-20 15:23:44 -05:00
lcs.h net: convert lcs_reply.refcnt from atomic_t to refcount_t 2017-12-20 15:23:44 -05:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netiucv.c s390: drivers: Remove redundant license text 2017-11-24 14:28:47 +01:00
qeth_core_main.c s390/qeth: use Read device to query hypervisor for MAC 2018-04-22 14:42:32 -04:00
qeth_core_mpc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
qeth_core_mpc.h s390/qeth: fix request-side race during cmd IO timeout 2018-04-22 14:42:32 -04:00
qeth_core_sys.c s390: net: add SPDX identifiers to the remaining files 2017-11-24 14:28:43 +01:00
qeth_core.h s390/qeth: avoid control IO completion stalls 2018-04-22 14:42:31 -04:00
qeth_l2_main.c s390/qeth: fix request-side race during cmd IO timeout 2018-04-22 14:42:32 -04:00
qeth_l2_sys.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
qeth_l2.h s390/qeth: use ether_addr_* helpers 2017-12-20 15:23:45 -05:00
qeth_l3_main.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-03-23 11:31:58 -04:00
qeth_l3_sys.c s390/qeth: extract helpers for managing special IPs 2018-03-09 13:10:05 -05:00
qeth_l3.h s390/qeth: shrink qeth_ipaddr struct 2018-03-09 13:10:05 -05:00
smsgiucv_app.c s390: net: add SPDX identifiers to the remaining files 2017-11-24 14:28:43 +01:00
smsgiucv.c s390/smsgiucv: disable SMSG on module unload 2018-04-16 09:10:17 +02:00
smsgiucv.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00