ehea: error handling improvement
Reset a port's resources only if they're actually in an error state
Signed-off-by: Thomas Klein <tklein@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 3f445ef..c35d1e3 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -791,11 +791,17 @@
cqe_counter++;
rmb();
if (cqe->status & EHEA_CQE_STAT_ERR_MASK) {
- ehea_error("Send Completion Error: Resetting port");
+ ehea_error("Bad send completion status=0x%04X",
+ cqe->status);
+
if (netif_msg_tx_err(pr->port))
ehea_dump(cqe, sizeof(*cqe), "Send CQE");
- ehea_schedule_port_reset(pr->port);
- break;
+
+ if (cqe->status & EHEA_CQE_STAT_RESET_MASK) {
+ ehea_error("Resetting port");
+ ehea_schedule_port_reset(pr->port);
+ break;
+ }
}
if (netif_msg_tx_done(pr->port))
@@ -901,6 +907,8 @@
struct ehea_eqe *eqe;
struct ehea_qp *qp;
u32 qp_token;
+ u64 resource_type, aer, aerr;
+ int reset_port = 0;
eqe = ehea_poll_eq(port->qp_eq);
@@ -910,11 +918,24 @@
eqe->entry, qp_token);
qp = port->port_res[qp_token].qp;
- ehea_error_data(port->adapter, qp->fw_handle);
+
+ resource_type = ehea_error_data(port->adapter, qp->fw_handle,
+ &aer, &aerr);
+
+ if (resource_type == EHEA_AER_RESTYPE_QP) {
+ if ((aer & EHEA_AER_RESET_MASK) ||
+ (aerr & EHEA_AERR_RESET_MASK))
+ reset_port = 1;
+ } else
+ reset_port = 1; /* Reset in case of CQ or EQ error */
+
eqe = ehea_poll_eq(port->qp_eq);
}
- ehea_schedule_port_reset(port);
+ if (reset_port) {
+ ehea_error("Resetting port");
+ ehea_schedule_port_reset(port);
+ }
return IRQ_HANDLED;
}