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authorJianxin Xiong <jianxin.xiong@intel.com>2016-02-26 21:33:13 (GMT)
committerDoug Ledford <dledford@redhat.com>2016-03-11 01:45:45 (GMT)
commitaa0ad411e51763f95afdae11d6ee684915faecef (patch)
tree26493a1b5475be43b0e504d93bc68fcf7d190e3c
parentade302405f333af834c5a272f905000810adf474 (diff)
downloadlinux-aa0ad411e51763f95afdae11d6ee684915faecef.tar.xz
staging/rdma/hfi1: Fix header size calculation for RC/UC QPs with GRH enabled
There is a header size counter in both the QP struture and the txreq structure. The counter in the txreq structure is not updated properly for RC and UC queue pairs with GRH enabled, and thus causing SDMA send to fail. This patch fixes the RC and UC path. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Reviewed-by: Dean Luick <dean.luick@intel.com> Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com> Signed-off-by: Jubin John <jubin.john@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
-rw-r--r--drivers/staging/rdma/hfi1/rc.c8
-rw-r--r--drivers/staging/rdma/hfi1/uc.c4
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/staging/rdma/hfi1/rc.c b/drivers/staging/rdma/hfi1/rc.c
index 8caad18..1ce0e08 100644
--- a/drivers/staging/rdma/hfi1/rc.c
+++ b/drivers/staging/rdma/hfi1/rc.c
@@ -358,11 +358,11 @@ normal:
}
qp->s_rdma_ack_cnt++;
qp->s_hdrwords = hwords;
- /* pbc */
- ps->s_txreq->hdr_dwords = hwords + 2;
ps->s_txreq->sde = priv->s_sde;
qp->s_cur_size = len;
hfi1_make_ruc_header(qp, ohdr, bth0, bth2, middle, ps);
+ /* pbc */
+ ps->s_txreq->hdr_dwords = qp->s_hdrwords + 2;
return 1;
bail:
@@ -763,8 +763,6 @@ int hfi1_make_rc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
}
qp->s_len -= len;
qp->s_hdrwords = hwords;
- /* pbc */
- ps->s_txreq->hdr_dwords = hwords + 2;
ps->s_txreq->sde = priv->s_sde;
qp->s_cur_sge = ss;
qp->s_cur_size = len;
@@ -775,6 +773,8 @@ int hfi1_make_rc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
bth2,
middle,
ps);
+ /* pbc */
+ ps->s_txreq->hdr_dwords = qp->s_hdrwords + 2;
return 1;
done_free_tx:
diff --git a/drivers/staging/rdma/hfi1/uc.c b/drivers/staging/rdma/hfi1/uc.c
index 5ba29af..df773d4 100644
--- a/drivers/staging/rdma/hfi1/uc.c
+++ b/drivers/staging/rdma/hfi1/uc.c
@@ -239,13 +239,13 @@ int hfi1_make_uc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
}
qp->s_len -= len;
qp->s_hdrwords = hwords;
- /* pbc */
- ps->s_txreq->hdr_dwords = qp->s_hdrwords + 2;
ps->s_txreq->sde = priv->s_sde;
qp->s_cur_sge = &qp->s_sge;
qp->s_cur_size = len;
hfi1_make_ruc_header(qp, ohdr, bth0 | (qp->s_state << 24),
mask_psn(qp->s_psn++), middle, ps);
+ /* pbc */
+ ps->s_txreq->hdr_dwords = qp->s_hdrwords + 2;
return 1;
done_free_tx: