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path: root/drivers/net/ethernet
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-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_msg.h1
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c25
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h b/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h
index 357e297df1ab..01d484441200 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h
@@ -158,6 +158,7 @@ union opcode_tid {
};
#define CPL_OPCODE(x) ((x) << 24)
+#define G_CPL_OPCODE(x) (((x) >> 24) & 0xFF)
#define MK_OPCODE_TID(opcode, tid) (CPL_OPCODE(opcode) | (tid))
#define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)
#define GET_TID(cmd) (ntohl(OPCODE_TID(cmd)) & 0xFFFFFF)
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 73aef76a526c..40c22e7de15c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -409,6 +409,20 @@ static int fwevtq_handler(struct sge_rspq *rspq, const __be64 *rsp,
break;
}
+ case CPL_FW4_MSG: {
+ /* FW can send EGR_UPDATEs encapsulated in a CPL_FW4_MSG.
+ */
+ const struct cpl_sge_egr_update *p = (void *)(rsp + 3);
+ opcode = G_CPL_OPCODE(ntohl(p->opcode_qid));
+ if (opcode != CPL_SGE_EGR_UPDATE) {
+ dev_err(adapter->pdev_dev, "unexpected FW4/CPL %#x on FW event queue\n"
+ , opcode);
+ break;
+ }
+ cpl = (void *)p;
+ /*FALLTHROUGH*/
+ }
+
case CPL_SGE_EGR_UPDATE: {
/*
* We've received an Egress Queue Status Update message. We
@@ -2072,6 +2086,7 @@ static int adap_init0(struct adapter *adapter)
struct sge *s = &adapter->sge;
unsigned int ethqsets;
int err;
+ u32 param, val = 0;
/*
* Wait for the device to become ready before proceeding ...
@@ -2153,6 +2168,16 @@ static int adap_init0(struct adapter *adapter)
return err;
}
+ /* If we're running on newer firmware, let it know that we're
+ * prepared to deal with encapsulated CPL messages. Older
+ * firmware won't understand this and we'll just get
+ * unencapsulated messages ...
+ */
+ param = FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) |
+ FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_CPLFW4MSG_ENCAP);
+ val = 1;
+ (void) t4vf_set_params(adapter, 1, &param, &val);
+
/*
* Retrieve our RX interrupt holdoff timer values and counter
* threshold values from the SGE parameters.