1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
9 /* Hardware intr coalesce timer is in units of 1.5us */
10 #define INTR_COALESCE_USEC_TO_HW(usec) ((usec) * 2 / 3)
11 #define INTR_COALESCE_HW_TO_USEC(usec) ((usec) * 3 / 2)
13 /* Device-specific region: enet configuration */
14 struct vnic_enet_config {
16 uint32_t wq_desc_count;
17 uint32_t rq_desc_count;
19 uint16_t intr_timer_deprecated;
20 uint8_t intr_timer_type;
23 uint32_t intr_timer_usec;
29 uint16_t rdma_qp_count;
32 uint32_t rdma_mr_count;
33 uint32_t max_pkt_size;
34 uint16_t vf_subvnic_count;
35 uint16_t mq_subvnic_count;
38 /* the following 3 fields are per-MQ-vnic counts */
39 uint32_t mq_rdma_mr_count;
40 uint16_t mq_rdma_qp_count;
41 uint16_t mq_rdma_resgrp;
43 uint16_t rdma_max_sq_ring_sz;
44 uint16_t rdma_max_rq_ring_sz;
45 uint32_t rdma_max_cq_ring_sz;
46 uint16_t rdma_max_wr_sge;
47 uint16_t rdma_max_mr_sge;
48 uint8_t rdma_max_rd_per_qp;
49 uint8_t unused; /* available */
50 uint16_t mq_rdma_engine_count;
51 uint32_t intr_coal_tick_ns; /* coalescing timer tick in nsec */
52 uint32_t max_rq_ring; /* MAX RQ ring size */
53 uint32_t max_wq_ring; /* MAX WQ ring size */
54 uint32_t max_cq_ring; /* MAX CQ ring size */
55 uint32_t rdma_rsvd_lkey; /* Reserved (privileged) LKey */
58 #define VENETF_TSO 0x1 /* TSO enabled */
59 #define VENETF_LRO 0x2 /* LRO enabled */
60 #define VENETF_RXCSUM 0x4 /* RX csum enabled */
61 #define VENETF_TXCSUM 0x8 /* TX csum enabled */
62 #define VENETF_RSS 0x10 /* RSS enabled */
63 #define VENETF_RSSHASH_IPV4 0x20 /* Hash on IPv4 fields */
64 #define VENETF_RSSHASH_TCPIPV4 0x40 /* Hash on TCP + IPv4 fields */
65 #define VENETF_RSSHASH_IPV6 0x80 /* Hash on IPv6 fields */
66 #define VENETF_RSSHASH_TCPIPV6 0x100 /* Hash on TCP + IPv6 fields */
67 #define VENETF_RSSHASH_IPV6_EX 0x200 /* Hash on IPv6 extended fields */
68 #define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */
69 #define VENETF_LOOP 0x800 /* Loopback enabled */
70 #define VENETF_FAILOVER 0x1000 /* Fabric failover enabled */
71 #define VENETF_USPACE_NIC 0x2000 /* vHPC enabled */
72 #define VENETF_VMQ 0x4000 /* VMQ enabled */
73 #define VENETF_ARFS 0x8000 /* ARFS enabled */
74 #define VENETF_VXLAN 0x10000 /* VxLAN offload */
75 #define VENETF_NVGRE 0x20000 /* NVGRE offload */
76 #define VENETF_GRPINTR 0x40000 /* group interrupt */
77 #define VENETF_NICSWITCH 0x80000 /* NICSWITCH enabled */
78 #define VENETF_RSSHASH_UDPIPV4 0x100000 /* Hash on UDP + IPv4 fields */
79 #define VENETF_RSSHASH_UDPIPV6 0x200000 /* Hash on UDP + IPv6 fields */
80 #define VENETF_GENEVE 0x400000 /* GENEVE offload */
82 #define VENET_INTR_TYPE_MIN 0 /* Timer specs min interrupt spacing */
83 #define VENET_INTR_TYPE_IDLE 1 /* Timer specs idle time before irq */
85 #define VENET_INTR_MODE_ANY 0 /* Try MSI-X, then MSI, then INTx */
86 #define VENET_INTR_MODE_MSI 1 /* Try MSI then INTx */
87 #define VENET_INTR_MODE_INTX 2 /* Try INTx only */
89 #endif /* _VNIC_ENIC_H_ */