06 Feb, 2019
2 commits
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This patch adds the functions to build TID RDMA WRITE request.
The work request opcode, packet opcode, and packet formats for TID
RDMA WRITE protocol are also defined in this patch.Signed-off-by: Mitko Haralanov
Signed-off-by: Mike Marciniszyn
Signed-off-by: Ashutosh Dixit
Signed-off-by: Kaike Wan
Signed-off-by: Dennis Dalessandro
Signed-off-by: Doug Ledford -
This patch adds the helper functions to build the TID RDMA READ request
on the requester side. The key is to allocate TID resources (TID flow
and TID entries) and send the resource information to the responder side
along with the read request. Since the TID resources are limited, each
TID RDMA READ request has to be split into segments with a default
segment size of 256K. A software flow is allocated to track the data
transaction for each segment. The work request opcode, packet opcode, and
packet formats for TID RDMA READ protocol are also defined in this patch.Reviewed-by: Mike Marciniszyn
Signed-off-by: Kaike Wan
Signed-off-by: Dennis Dalessandro
Signed-off-by: Doug Ledford
02 Feb, 2018
3 commits
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packet->fecn and packet->becn are calculated in the hot path
and are never used. Remove these fields as they show to be
costly in a profile. Also, remove initialization for
becn and fecn in process_ecn() as they're unconditionally
assigned in the function and ensure fecn and becn variables
use a boolean type.Reviewed-by: Mike Marciniszyn
Signed-off-by: Sebastian Sanchez
Signed-off-by: Dennis Dalessandro
Signed-off-by: Jason Gunthorpe -
The packet type comparison used to find out if a packet is a bypass
packet in the hot path is an expensive operation as seen in a profile.Determine packet's pkey and migration bit through the bypass and 9B
code paths instead.Reviewed-by: Don Hiatt
Reviewed-by: Mike Marciniszyn
Signed-off-by: Sebastian Sanchez
Signed-off-by: Dennis Dalessandro
Signed-off-by: Jason Gunthorpe -
In hfi1_rc_rcv(), BTH is computed for all packets received.
However, it's only used for packets received with opcodes
RDMA_WRITE_LAST and SEND_LAST, and it is a costly operation.Compute BTH only in the RDMA_WRITE_LAST/SEND_LAST code path
and let the compiler handle endianness conversion for bitwise
operations.Reviewed-by: Mike Marciniszyn
Signed-off-by: Sebastian Sanchez
Signed-off-by: Dennis Dalessandro
Signed-off-by: Jason Gunthorpe
28 Jun, 2017
1 commit
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Improve code readablity by adding inline functions
to read specific BTH/IB fields without knowledge of
byte offsets.Reviewed-by: Brian Welty
Reviewed-by: Dasaratharaman Chandramouli
Reviewed-by: Dennis Dalessandro
Signed-off-by: Don Hiatt
Signed-off-by: Dennis Dalessandro
Signed-off-by: Doug Ledford
29 Apr, 2017
2 commits
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Move FECN and BECN related defines to common header files
Reviewed-by: Dennis Dalessandro
Signed-off-by: Don Hiatt
Signed-off-by: Dasaratharaman Chandramouli
Signed-off-by: Dennis Dalessandro
Signed-off-by: Doug Ledford -
These inline functions improve code readability by
enabling callers to read specific fields from the
header without knowledge of byte offsets.Reviewed-by: Dennis Dalessandro
Signed-off-by: Don Hiatt
Signed-off-by: Dasaratharaman Chandramouli
Signed-off-by: Dennis Dalessandro
Signed-off-by: Doug Ledford
19 Feb, 2017
1 commit
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Rename RVT AETH defines and export in rdma/ib_hdrs.h
Reviewed-by: Mike Marciniszyn
Signed-off-by: Don Hiatt
Signed-off-by: Dennis Dalessandro
Signed-off-by: Doug Ledford
02 Oct, 2016
1 commit
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Add IB headers, defines, and accessors that are identical
in both qib and hfi1 into the core includes.The accessors for be maintenance of __be64 fields since
alignment is potentially invalid and can differ based on
the presense of the GRH.{hfi1,qib}_ib_headers will be ib_headers.
{hfi1,qib|_other_headers will be ib_other_headers.Reviewed-by: Dennis Dalessandro
Reviewed-by: Don Hiatt
Signed-off-by: Mike Marciniszyn
Signed-off-by: Dennis Dalessandro
Signed-off-by: Doug Ledford
