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authorHans Wippel <hwippel@linux.vnet.ibm.com>2017-09-18 21:18:14 +0200
committerDavid S. Miller <davem@davemloft.net>2017-09-18 14:41:37 -0700
commita45b3faf16f0cbc4ec48f9ec81e550d430199212 (patch)
treeb24b3a63f3292287fecbf0c8d3c4013d33ae2fe4 /drivers/s390/net/qeth_l2_sys.c
parentf231c4178a655b09c1fe4dce4b09de7b867c20af (diff)
s390/qeth: add basic VNICC support
VNIC Characteristics (VNICC) are features of HiperSockets that define how packets are handled by the underlying network hardware. For example, if the VNICC flooding is configured on a qeth device, ethernet frames to unknown destination MAC addresses are received. Currently, there is support for seven VNICCs: flooding, multicast flooding, receive broadcast, learning, takeover learning, takeover setvmac, bridge invisible. Also, six IPA commands exist for configuring VNICCs on a qeth device: query characteristics, query commands, enable characteristic, disable characteristic, set timeout, get timeout. This patch adds the basic code infrastructure for VNICC support to qeth. It allows querying VNICC support from the underlying hardware. To this end, it adds: * basic message formats for IPA commands * basic data structures * basic error handling * query characteristics IPA command support The query characteristics IPA command allows requesting the currently supported and currently enabled VNIC characteristics from the underlying hardware. Support for the other IPA commands and for the configuration of VNICCs is added in follow-up patches together with the respective user interface functions. Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net/qeth_l2_sys.c')
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