1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. 4 * Copyright 2007 Nuova Systems, Inc. All rights reserved. 5 */ 6 7 #ifndef _VNIC_ENIC_H_ 8 #define _VNIC_ENIC_H_ 9 10 /* Device-specific region: enet configuration */ 11 struct vnic_enet_config { 12 u32 flags; 13 u32 wq_desc_count; 14 u32 rq_desc_count; 15 u16 mtu; 16 u16 intr_timer_deprecated; 17 u8 intr_timer_type; 18 u8 intr_mode; 19 char devname[16]; 20 u32 intr_timer_usec; 21 u16 loop_tag; 22 u16 vf_rq_count; 23 u16 num_arfs; 24 u8 reserved1[32]; 25 u16 mq_subvnic_count; 26 u8 reserved2[32]; 27 u32 max_rq_ring; // MAX RQ ring size 28 u32 max_wq_ring; // MAX WQ ring size 29 u32 max_cq_ring; // MAX CQ ring size 30 u32 rdma_rsvd_lkey; // Reserved (privileged) LKey 31 }; 32 33 #define VENETF_TSO 0x1 /* TSO enabled */ 34 #define VENETF_LRO 0x2 /* LRO enabled */ 35 #define VENETF_RXCSUM 0x4 /* RX csum enabled */ 36 #define VENETF_TXCSUM 0x8 /* TX csum enabled */ 37 #define VENETF_RSS 0x10 /* RSS enabled */ 38 #define VENETF_RSSHASH_IPV4 0x20 /* Hash on IPv4 fields */ 39 #define VENETF_RSSHASH_TCPIPV4 0x40 /* Hash on TCP + IPv4 fields */ 40 #define VENETF_RSSHASH_IPV6 0x80 /* Hash on IPv6 fields */ 41 #define VENETF_RSSHASH_TCPIPV6 0x100 /* Hash on TCP + IPv6 fields */ 42 #define VENETF_RSSHASH_IPV6_EX 0x200 /* Hash on IPv6 extended fields */ 43 #define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */ 44 #define VENETF_LOOP 0x800 /* Loopback enabled */ 45 #define VENETF_VXLAN 0x10000 /* VxLAN offload */ 46 47 #define VENET_INTR_TYPE_MIN 0 /* Timer specs min interrupt spacing */ 48 #define VENET_INTR_TYPE_IDLE 1 /* Timer specs idle time before irq */ 49 50 #define VENET_INTR_MODE_ANY 0 /* Try MSI-X, then MSI, then INTx */ 51 #define VENET_INTR_MODE_MSI 1 /* Try MSI then INTx */ 52 #define VENET_INTR_MODE_INTX 2 /* Try INTx only */ 53 54 #endif /* _VNIC_ENIC_H_ */ 55