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Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h
new file mode 100644
index 000000000..be96f1dc0
--- /dev/null
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (C) 2019 Chelsio Communications. All rights reserved. */
+
+#ifndef __CXGB4_TC_MQPRIO_H__
+#define __CXGB4_TC_MQPRIO_H__
+
+#include <net/pkt_cls.h>
+
+#define CXGB4_EOSW_TXQ_DEFAULT_DESC_NUM 128
+
+#define CXGB4_EOHW_TXQ_DEFAULT_DESC_NUM 1024
+
+#define CXGB4_EOHW_RXQ_DEFAULT_DESC_NUM 1024
+#define CXGB4_EOHW_RXQ_DEFAULT_DESC_SIZE 64
+#define CXGB4_EOHW_RXQ_DEFAULT_INTR_USEC 5
+#define CXGB4_EOHW_RXQ_DEFAULT_PKT_CNT 8
+
+#define CXGB4_EOHW_FLQ_DEFAULT_DESC_NUM 72
+
+#define CXGB4_FLOWC_WAIT_TIMEOUT (5 * HZ)
+
+enum cxgb4_mqprio_state {
+ CXGB4_MQPRIO_STATE_DISABLED = 0,
+ CXGB4_MQPRIO_STATE_ACTIVE,
+};
+
+struct cxgb4_tc_port_mqprio {
+ enum cxgb4_mqprio_state state; /* Current MQPRIO offload state */
+ struct tc_mqprio_qopt_offload mqprio; /* MQPRIO offload params */
+ struct sge_eosw_txq *eosw_txq; /* Netdev SW Tx queue array */
+ u8 tc_hwtc_map[TC_QOPT_MAX_QUEUE]; /* MQPRIO tc to hardware tc map */
+};
+
+struct cxgb4_tc_mqprio {
+ refcount_t refcnt; /* Refcount for adapter-wide resources */
+ struct mutex mqprio_mutex; /* Lock for accessing MQPRIO info */
+ struct cxgb4_tc_port_mqprio *port_mqprio; /* Per port MQPRIO info */
+};
+
+int cxgb4_setup_tc_mqprio(struct net_device *dev,
+ struct tc_mqprio_qopt_offload *mqprio);
+void cxgb4_mqprio_stop_offload(struct adapter *adap);
+int cxgb4_init_tc_mqprio(struct adapter *adap);
+void cxgb4_cleanup_tc_mqprio(struct adapter *adap);
+#endif /* __CXGB4_TC_MQPRIO_H__ */