IB/qib: Process RDMA WRITE ONLY with IMMEDIATE properly
See table 35 in IBA - the header order for RDMA_WRITE_ONLY_WITH_IMMEDIATE and SEND_LAST_WITH_IMMEDIATE is different: the RDMA_WRITE_ONLY has a RETH header before the immediate data, so we need a different code path to extract the immediate data. I tested this with a userspace app that does RDMA_WRITE with immediate on a QLE7140. Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
parent
0f2f930a67
commit
5715f5d44b
|
@ -2068,7 +2068,10 @@ send_last:
|
|||
goto nack_op_err;
|
||||
if (!ret)
|
||||
goto rnr_nak;
|
||||
goto send_last_imm;
|
||||
wc.ex.imm_data = ohdr->u.rc.imm_data;
|
||||
hdrsize += 4;
|
||||
wc.wc_flags = IB_WC_WITH_IMM;
|
||||
goto send_last;
|
||||
|
||||
case OP(RDMA_READ_REQUEST): {
|
||||
struct qib_ack_entry *e;
|
||||
|
|
|
@ -457,8 +457,10 @@ rdma_first:
|
|||
}
|
||||
if (opcode == OP(RDMA_WRITE_ONLY))
|
||||
goto rdma_last;
|
||||
else if (opcode == OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE))
|
||||
else if (opcode == OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE)) {
|
||||
wc.ex.imm_data = ohdr->u.rc.imm_data;
|
||||
goto rdma_last_imm;
|
||||
}
|
||||
/* FALLTHROUGH */
|
||||
case OP(RDMA_WRITE_MIDDLE):
|
||||
/* Check for invalid length PMTU or posted rwqe len. */
|
||||
|
@ -471,8 +473,8 @@ rdma_first:
|
|||
break;
|
||||
|
||||
case OP(RDMA_WRITE_LAST_WITH_IMMEDIATE):
|
||||
rdma_last_imm:
|
||||
wc.ex.imm_data = ohdr->u.imm_data;
|
||||
rdma_last_imm:
|
||||
hdrsize += 4;
|
||||
wc.wc_flags = IB_WC_WITH_IMM;
|
||||
|
||||
|
|
Loading…
Reference in a new issue