Commit Graph

9 Commits

Author SHA1 Message Date
Niranjana Vishwanathapura
b209a368eb IB/opa_vnic: Add routing control information
Add protocol specific routing control information in the encapsulation
header as per the configuration.

Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Scott Franco <safranco@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-09-27 11:21:57 -04:00
Niranjana Vishwanathapura
62f1e84e46 IB/opa_vnic: Mark unused Ethernet MTU fields as reserved
Per pcp mtu fields are not used, mark them as reserved.

Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-09-27 11:21:57 -04:00
Vishwanathapura, Niranjana
a379d69f00 IB/opa_vnic: Use spinlock instead of mutex for stats_lock
Stats can be read from atomic context, hence make stats_lock as
a spinlock.

Fix the following trace with debug kernel.

BUG: sleeping function called from invalid context at
kernel/locking/mutex.c:238
in_atomic(): 1, irqs_disabled(): 0, pid: 6487, name: sadc
Call Trace:
 dump_stack+0x63/0x90
 ___might_sleep+0xda/0x130
 __might_sleep+0x4a/0x90
 mutex_lock+0x20/0x50
 opa_vnic_get_stats64+0x56/0x140 [opa_vnic]
 dev_get_stats+0x74/0x130
 dev_seq_printf_stats+0x37/0x120
 dev_seq_show+0x14/0x30
 seq_read+0x26d/0x3d0

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-06-29 12:43:52 -04:00
Vishwanathapura, Niranjana
1bd671ab3f IB/opa-vnic: VNIC Ethernet Management Agent (VEMA) function
OPA VEMA function interfaces with the Infiniband MAD stack to exchange the
management information packets with the Ethernet Manager (EM).
It interfaces with the OPA VNIC netdev function to SET/GET the management
information. The information exchanged with the EM includes class port
details, encapsulation configuration, various counters, unicast and
multicast MAC list and the MAC table. It also supports sending traps
to the EM.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Sadanand Warrier <sadanand.warrier@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-04-20 12:01:38 -04:00
Vishwanathapura, Niranjana
cfd34f8eb0 IB/opa-vnic: VNIC Ethernet Management Agent (VEMA) interface
OPA VNIC EMA interface functions are the management interfaces to the OPA
VNIC netdev. Add support to add and remove VNIC ports. Implement the
required GET/SET management interface functions and processing of new
management information. Add support to send trap notifications upon various
events like interface status change, unicast/multicast mac list update and
mac address change.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Sadanand Warrier <sadanand.warrier@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-04-20 12:01:38 -04:00
Vishwanathapura, Niranjana
174e03d7e6 IB/opa-vnic: VNIC MAC table support
OPA VNIC MAC table contains the MAC address to DLID mappings provided by
the Ethernet manager. During transmission, the MAC table provides the MAC
address to DLID translation. Implement MAC table using simple hash list.
Also provide support to update/query the MAC table by Ethernet manager.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Sadanand Warrier <sadanand.warrier@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-04-20 12:01:38 -04:00
Vishwanathapura, Niranjana
009b7dd40c IB/opa-vnic: VNIC statistics support
OPA VNIC driver statistics support maintains various counters including
standard netdev counters and the Ethernet manager defined counters.
Add the Ethtool hook to read the counters.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-04-20 12:01:38 -04:00
Vishwanathapura, Niranjana
72dc761440 IB/opa-vnic: VNIC Ethernet Management (EM) structure definitions
Define VNIC EM MAD structures and the associated macros. These structures
are used for information exchange between VNIC EM agent (EMA) on the host
and the Ethernet manager. These include the virtual ethernet switch (vesw)
port information, vesw port mac table, summay and error counters,
vesw port interface mac lists and the EMA trap.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Sadanand Warrier <sadanand.warrier@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-04-20 12:01:38 -04:00
Vishwanathapura, Niranjana
7d6f728c67 IB/opa-vnic: Virtual Network Interface Controller (VNIC) netdev
OPA VNIC netdev function supports Ethernet functionality over Omni-Path
fabric by encapsulating Ethernet packets inside Omni-Path packet header.
It allocates a rdma netdev device and interfaces with the network stack to
provide standard Ethernet network interfaces. It overrides HFI1 device's
netdev operations where it is required.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Sadanand Warrier <sadanand.warrier@intel.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-04-20 12:01:38 -04:00