This driver is based of the enic (Cisco VIC) DPDK driver. It provides basic ethernet functionality. Has been run with various VIC cards to do UEFI PXE boot with NFS root.
67 lines
2.4 KiB
C
67 lines
2.4 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_ENIC_H_
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#define _VNIC_ENIC_H_
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/* Hardware intr coalesce timer is in units of 1.5us */
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#define INTR_COALESCE_USEC_TO_HW(usec) ((usec) * 2 / 3)
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#define INTR_COALESCE_HW_TO_USEC(usec) ((usec) * 3 / 2)
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/* Device-specific region: enet configuration */
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struct vnic_enet_config {
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u32 flags;
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u32 wq_desc_count;
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u32 rq_desc_count;
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u16 mtu;
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u16 intr_timer_deprecated;
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u8 intr_timer_type;
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u8 intr_mode;
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char devname[16];
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u32 intr_timer_usec;
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u16 loop_tag;
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u16 vf_rq_count;
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u16 num_arfs;
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u64 mem_paddr;
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u16 rdma_qp_id;
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u16 rdma_qp_count;
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u16 rdma_resgrp;
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u32 rdma_mr_id;
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u32 rdma_mr_count;
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u32 max_pkt_size;
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};
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#define VENETF_TSO 0x1 /* TSO enabled */
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#define VENETF_LRO 0x2 /* LRO enabled */
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#define VENETF_RXCSUM 0x4 /* RX csum enabled */
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#define VENETF_TXCSUM 0x8 /* TX csum enabled */
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#define VENETF_RSS 0x10 /* RSS enabled */
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#define VENETF_RSSHASH_IPV4 0x20 /* Hash on IPv4 fields */
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#define VENETF_RSSHASH_TCPIPV4 0x40 /* Hash on TCP + IPv4 fields */
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#define VENETF_RSSHASH_IPV6 0x80 /* Hash on IPv6 fields */
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#define VENETF_RSSHASH_TCPIPV6 0x100 /* Hash on TCP + IPv6 fields */
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#define VENETF_RSSHASH_IPV6_EX 0x200 /* Hash on IPv6 extended fields */
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#define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */
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#define VENETF_LOOP 0x800 /* Loopback enabled */
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#define VENETF_FAILOVER 0x1000 /* Fabric failover enabled */
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#define VENETF_USPACE_NIC 0x2000 /* vHPC enabled */
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#define VENETF_VMQ 0x4000 /* VMQ enabled */
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#define VENETF_ARFS 0x8000 /* ARFS enabled */
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#define VENETF_VXLAN 0x10000 /* VxLAN offload */
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#define VENETF_NVGRE 0x20000 /* NVGRE offload */
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#define VENETF_GRPINTR 0x40000 /* group interrupt */
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#define VENETF_NICSWITCH 0x80000 /* NICSWITCH enabled */
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#define VENETF_RSSHASH_UDPIPV4 0x100000 /* Hash on UDP + IPv4 fields */
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#define VENETF_RSSHASH_UDPIPV6 0x200000 /* Hash on UDP + IPv6 fields */
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#define VENET_INTR_TYPE_MIN 0 /* Timer specs min interrupt spacing */
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#define VENET_INTR_TYPE_IDLE 1 /* Timer specs idle time before irq */
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#define VENET_INTR_MODE_ANY 0 /* Try MSI-X, then MSI, then INTx */
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#define VENET_INTR_MODE_MSI 1 /* Try MSI then INTx */
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#define VENET_INTR_MODE_INTX 2 /* Try INTx only */
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#endif /* _VNIC_ENIC_H_ */
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