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IB/hfi1: Add a function to receive TID RDMA WRITE DATA packet

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This patch adds a function to receive TID RDMA WRITE DATA packet,
which is in the KDETH PSN space in packet ordering. Due to the use
of header suppression, software is generally only notified when
the last data packet for a segment is received. This patch also
adds code to handle KDETH EFLAGS errors for ingress TID RDMA WRITE
DATA packets.

Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Kaike Wan
2019-01-23 21:49:51 -08:00
committed by Doug Ledford
parent 539e1908e4
commit d72fe7d500
3 changed files with 241 additions and 0 deletions
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2
drivers/infiniband/hw/hfi1/tid_rdma.h
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@@ -279,4 +279,6 @@ bool hfi1_build_tid_rdma_packet(struct rvt_swqe *wqe,
struct ib_other_headers *ohdr,
u32 *bth1, u32 *bth2, u32 *len);
void hfi1_rc_rcv_tid_rdma_write_data(struct hfi1_packet *packet);
#endif /* HFI1_TID_RDMA_H */