hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

IB/ehca: Fix CQE flags reporting 

The driver was reporting CQE flags in the wrong bit positions, causing
consumers to miss incoming immediate data.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Joachim Fenkes 2009-09-05 20:22:55 -07:00 committed by Roland Dreier
parent d706834d99
commit 6303e74c69
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/infiniband/hw/ehca/ehca_reqs.c
View File

@ -786,7 +786,11 @@ repoll:
wc->slid = cqe->rlid;
wc->dlid_path_bits = cqe->dlid;
wc->src_qp = cqe->remote_qp_number;
wc->wc_flags = cqe->w_completion_flags;
/*
* HW has "Immed data present" and "GRH present" in bits 6 and 5.
* SW defines those in bits 1 and 0, so we can just shift and mask.
*/
wc->wc_flags = (cqe->w_completion_flags >> 5) & 3;
wc->ex.imm_data = cpu_to_be32(cqe->immediate_data);
wc->sl = cqe->service_level;