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| author |   Ira Weiny <ira.weiny@intel.com> | 2015-06-06 14:38:30 -0400 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-06-12 14:49:17 -0400 |
| commit | c9082e51b6a4ba0272c30027d87e67c6652a725d (patch) | |
| tree | aac79d30829b3602d5713c8dfa3e4b037d191aaa /drivers/infiniband/core/agent.h | |
| parent | IB/core: Add ability for drivers to report an alternate MAD size. (diff) | |
| download | linux-dev-c9082e51b6a4ba0272c30027d87e67c6652a725d.tar.xz linux-dev-c9082e51b6a4ba0272c30027d87e67c6652a725d.zip | |
IB/mad: Convert allocations from kmem_cache to kzalloc
This patch implements allocating alternate receive MAD buffers within the MAD
stack. Support for OPA to send/recv variable sized MADs is implemented later.
1) Convert MAD allocations from kmem_cache to kzalloc
kzalloc is more flexible to support devices with different sized MADs
and research and testing showed that the current use of kmem_cache does
not provide performance benefits over kzalloc.
2) Change struct ib_mad_private to use a flex array for the mad data
3) Allocate ib_mad_private based on the size specified by devices in
rdma_max_mad_size.
4) Carry the allocated size in ib_mad_private to be used when processing
ib_mad_private objects.
5) Alter DMA mappings based on the mad_size of ib_mad_private.
6) Replace the use of sizeof and static defines as appropriate
7) Add appropriate casts for the MAD data when calling processing
functions.
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/agent.h')
| -rw-r--r-- | drivers/infiniband/core/agent.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/core/agent.h b/drivers/infiniband/core/agent.h index 94b5fb5b3eef..234c8aa380e0 100644 --- a/drivers/infiniband/core/agent.h +++ b/drivers/infiniband/core/agent.h @@ -44,8 +44,8 @@ extern int ib_agent_port_open(struct ib_device *device, int port_num); extern int ib_agent_port_close(struct ib_device *device, int port_num); -extern void agent_send_response(const struct ib_mad *mad, const struct ib_grh *grh, +extern void agent_send_response(const struct ib_mad_hdr *mad_hdr, const struct ib_grh *grh, const struct ib_wc *wc, const struct ib_device *device, - int port_num, int qpn); + int port_num, int qpn, size_t resp_mad_len); #endif /* __AGENT_H_ */ |