be2net: Changes to use only priority codes allowed by f/w

Changes to use one of the priority codes allowed by CNA f/w for NIC traffic
from host. The driver gets the bit map of the priority codes allowed for
host traffic through a asynchronous message from the f/w that the driver
subscribes to.

Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 58 insertions, 3 deletions

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index bf2dc269de12..1e7f305ed00b 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -96,6 +96,50 @@ static void be_async_link_state_process(struct be_adapter *adapter,
 		evt->port_link_status == ASYNC_EVENT_LINK_UP);
 }
 
+/* Grp5 CoS Priority evt */
+static void be_async_grp5_cos_priority_process(struct be_adapter *adapter,
+		struct be_async_event_grp5_cos_priority *evt)
+{
+	if (evt->valid) {
+		adapter->vlan_prio_bmap = evt->available_priority_bmap;
+		adapter->recommended_prio =
+			evt->reco_default_priority << VLAN_PRIO_SHIFT;
+	}
+}
+
+/* Grp5 QOS Speed evt */
+static void be_async_grp5_qos_speed_process(struct be_adapter *adapter,
+		struct be_async_event_grp5_qos_link_speed *evt)
+{
+	if (evt->physical_port == adapter->port_num) {
+		/* qos_link_speed is in units of 10 Mbps */
+		adapter->link_speed = evt->qos_link_speed * 10;
+	}
+}
+
+static void be_async_grp5_evt_process(struct be_adapter *adapter,
+		u32 trailer, struct be_mcc_compl *evt)
+{
+	u8 event_type = 0;
+
+	event_type = (trailer >> ASYNC_TRAILER_EVENT_TYPE_SHIFT) &
+		ASYNC_TRAILER_EVENT_TYPE_MASK;
+
+	switch (event_type) {
+	case ASYNC_EVENT_COS_PRIORITY:
+		be_async_grp5_cos_priority_process(adapter,
+		(struct be_async_event_grp5_cos_priority *)evt);
+	break;
+	case ASYNC_EVENT_QOS_SPEED:
+		be_async_grp5_qos_speed_process(adapter,
+		(struct be_async_event_grp5_qos_link_speed *)evt);
+	break;
+	default:
+		dev_warn(&adapter->pdev->dev, "Unknown grp5 event!\n");
+		break;
+	}
+}
+
 static inline bool is_link_state_evt(u32 trailer)
 {
 	return ((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
@@ -103,6 +147,13 @@ static inline bool is_link_state_evt(u32 trailer)
 				ASYNC_EVENT_CODE_LINK_STATE;
 }
 
+static inline bool is_grp5_evt(u32 trailer)
+{
+	return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
+		ASYNC_TRAILER_EVENT_CODE_MASK) ==
+				ASYNC_EVENT_CODE_GRP_5);
+}
+
 static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
 {
 	struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
@@ -143,6 +194,9 @@ int be_process_mcc(struct be_adapter *adapter, int *status)
 			if (is_link_state_evt(compl->flags))
 				be_async_link_state_process(adapter,
 				(struct be_async_event_link_state *) compl);
+			else if (is_grp5_evt(compl->flags))
+				be_async_grp5_evt_process(adapter,
+				compl->flags, compl);
 		} else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
 				*status = be_mcc_compl_process(adapter, compl);
 				atomic_dec(&mcc_obj->q.used);
@@ -677,10 +731,10 @@ int be_cmd_mccq_create(struct be_adapter *adapter,
 	ctxt = &req->context;
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
-			OPCODE_COMMON_MCC_CREATE);
+			OPCODE_COMMON_MCC_CREATE_EXT);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
-			OPCODE_COMMON_MCC_CREATE, sizeof(*req));
+			OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req));
 
 	req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
 
@@ -688,7 +742,8 @@ int be_cmd_mccq_create(struct be_adapter *adapter,
 	AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt,
 		be_encoded_q_len(mccq->len));
 	AMAP_SET_BITS(struct amap_mcc_context, cq_id, ctxt, cq->id);
-
+	/* Subscribe to Link State and Group 5 Events(bits 1 and 5 set) */
+	req->async_event_bitmap[0] |= 0x00000022;
 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
 
 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);