[PATCH 2.6.22 1/5] iw_cxgb3: Fix TERM codes.

Steve Wise
2007-04-26T20:21:09Z

Fix TERM codes.

Fix TERMINATE layer, type, and ecode values based on
conformance testing.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
---

drivers/infiniband/hw/cxgb3/iwch_qp.c | 69 ++++++++++++++++++---------------
1 files changed, 38 insertions(+), 31 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 0a472c9..714dddb 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -471,43 +471,62 @@ int iwch_bind_mw(struct ib_qp *qp,
return err;
}

-static void build_term_codes(int t3err, u8 *layer_type, u8 *ecode, int tagged)
+static inline void build_term_codes(struct respQ_msg_t *rsp_msg,
+ u8 *layer_type, u8 *ecode)
{
- switch (t3err) {
+ int status = TPT_ERR_INTERNAL_ERR;
+ int tagged = 0;
+ int opcode = -1;
+ int rqtype = 0;
+ int send_inv = 0;
+
+ if (rsp_msg) {
+ status = CQE_STATUS(rsp_msg->cqe);
+ opcode = CQE_OPCODE(rsp_msg->cqe);
+ rqtype = RQ_TYPE(rsp_msg->cqe);
+ send_inv = (opcode == T3_SEND_WITH_INV) ||
+ (opcode == T3_SEND_WITH_SE_INV);
+ tagged = (opcode == T3_RDMA_WRITE) ||
+ (rqtype && (opcode == T3_READ_RESP));
+ }
+
+ switch (status) {
case TPT_ERR_STAG:
- if (tagged == 1) {
- *layer_type = LAYER_DDP|DDP_TAGGED_ERR;
- *ecode = DDPT_INV_STAG;
- } else if (tagged == 2) {
+ if (send_inv) {
+ *layer_type = LAYER_RDMAP|RDMAP_REMOTE_OP;
+ *ecode = RDMAP_CANT_INV_STAG;
+ } else {
*layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
*ecode = RDMAP_INV_STAG;
}
break;
case TPT_ERR_PDID:
+ *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
+ if ((opcode == T3_SEND_WITH_INV) ||
+ (opcode == T3_SEND_WITH_SE_INV))
+ *ecode = RDMAP_CANT_INV_STAG;
+ else
+ *ecode = RDMAP_STAG_NOT_ASSOC;
+ break;
case TPT_ERR_QPID:
+ *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
+ *ecode = RDMAP_STAG_NOT_ASSOC;
+ break;
case TPT_ERR_ACCESS:
- if (tagged == 1) {
- *layer_type = LAYER_DDP|DDP_TAGGED_ERR;
- *ecode = DDPT_STAG_NOT_ASSOC;
- } else if (tagged == 2) {
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
- *ecode = RDMAP_STAG_NOT_ASSOC;
- }
+ *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
+ *ecode = RDMAP_ACC_VIOL;
break;
case TPT_ERR_WRAP:
*layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
*ecode = RDMAP_TO_WRAP;
break;
case TPT_ERR_BOUND:
- if (tagged == 1) {
+ if (tagged) {
*layer_type = LAYER_DDP|DDP_TAGGED_ERR;
*ecode = DDPT_BASE_BOUNDS;
- } else if (tagged == 2) {
+ } else {
*layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
*ecode = RDMAP_BASE_BOUNDS;
- } else {
- *layer_type = LAYER_DDP|DDP_UNTAGGED_ERR;
- *ecode = DDPU_MSG_TOOBIG;
}
break;
case TPT_ERR_INVALIDATE_SHARED_MR:
@@ -591,8 +610,6 @@ int iwch_post_terminate(struct iwch_qp *
{
union t3_wr *wqe;
struct terminate_message *term;
- int status;
- int tagged = 0;
struct sk_buff *skb;

PDBG("%s %d\n", __FUNCTION__, __LINE__);
@@ -610,17 +627,7 @@ int iwch_post_terminate(struct iwch_qp *

/* immediate data starts here. */
term = (struct terminate_message *)wqe->send.sgl;
- if (rsp_msg) {
- status = CQE_STATUS(rsp_msg->cqe);
- if (CQE_OPCODE(rsp_msg->cqe) == T3_RDMA_WRITE)
- tagged = 1;
- if ((CQE_OPCODE(rsp_msg->cqe) == T3_READ_REQ) ||
- (CQE_OPCODE(rsp_msg->cqe) == T3_READ_RESP))
- tagged = 2;
- } else {
- status = TPT_ERR_INTERNAL_ERR;
- }
- build_term_codes(status, &term->layer_etype, &term->ecode, tagged);
+ build_term_codes(rsp_msg, &term->layer_etype, &term->ecode);
build_fw_riwrh((void *)wqe, T3_WR_SEND,
T3_COMPLETION_FLAG | T3_NOTIFY_FLAG, 1,
qhp->ep->hwtid, 5);