2e99ea80f8
enic is currently using BSD-2-Clause, whereas the DPDK approved license is BSD-3-Clause. So replace license text with BSD-3-Clause. Remove LICENSE as it is redundant. Signed-off-by: Hyong Youb Kim <hyonkim@cisco.com> Reviewed-by: John Daley <johndale@cisco.com>
78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
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* Copyright 2007 Nuova Systems, Inc. All rights reserved.
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*/
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#ifndef _VNIC_CQ_H_
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#define _VNIC_CQ_H_
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#include <rte_mbuf.h>
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#include "cq_desc.h"
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#include "vnic_dev.h"
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/* Completion queue control */
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struct vnic_cq_ctrl {
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u64 ring_base; /* 0x00 */
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u32 ring_size; /* 0x08 */
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u32 pad0;
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u32 flow_control_enable; /* 0x10 */
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u32 pad1;
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u32 color_enable; /* 0x18 */
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u32 pad2;
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u32 cq_head; /* 0x20 */
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u32 pad3;
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u32 cq_tail; /* 0x28 */
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u32 pad4;
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u32 cq_tail_color; /* 0x30 */
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u32 pad5;
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u32 interrupt_enable; /* 0x38 */
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u32 pad6;
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u32 cq_entry_enable; /* 0x40 */
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u32 pad7;
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u32 cq_message_enable; /* 0x48 */
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u32 pad8;
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u32 interrupt_offset; /* 0x50 */
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u32 pad9;
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u64 cq_message_addr; /* 0x58 */
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u32 pad10;
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};
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#ifdef ENIC_AIC
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struct vnic_rx_bytes_counter {
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unsigned int small_pkt_bytes_cnt;
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unsigned int large_pkt_bytes_cnt;
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};
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#endif
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struct vnic_cq {
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unsigned int index;
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struct vnic_dev *vdev;
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struct vnic_cq_ctrl __iomem *ctrl; /* memory-mapped */
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struct vnic_dev_ring ring;
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unsigned int to_clean;
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unsigned int last_color;
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unsigned int interrupt_offset;
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#ifdef ENIC_AIC
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struct vnic_rx_bytes_counter pkt_size_counter;
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unsigned int cur_rx_coal_timeval;
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unsigned int tobe_rx_coal_timeval;
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ktime_t prev_ts;
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#endif
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};
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void vnic_cq_free(struct vnic_cq *cq);
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int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
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unsigned int socket_id,
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unsigned int desc_count, unsigned int desc_size);
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void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
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unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
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unsigned int cq_tail_color, unsigned int interrupt_enable,
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unsigned int cq_entry_enable, unsigned int message_enable,
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unsigned int interrupt_offset, u64 message_addr);
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void vnic_cq_clean(struct vnic_cq *cq);
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int vnic_cq_mem_size(struct vnic_cq *cq, unsigned int desc_count,
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unsigned int desc_size);
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#endif /* _VNIC_CQ_H_ */
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