/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * Copyright(c) 2017 - 2020 Intel Corporation. */ #ifndef _HFI1_VNIC_H #define _HFI1_VNIC_H #include <rdma/opa_vnic.h> #include "hfi.h" #include "sdma.h" #define HFI1_VNIC_MAX_TXQ … #define HFI1_VNIC_MAX_PAD … /* L4 header definitions */ #define HFI1_VNIC_L4_HDR_OFFSET … #define HFI1_VNIC_GET_L4_HDR(data) … #define HFI1_VNIC_GET_VESWID(data) … /* Service class */ #define HFI1_VNIC_SC_OFFSET_LOW … #define HFI1_VNIC_SC_OFFSET_HI … #define HFI1_VNIC_SC_SHIFT … #define HFI1_VNIC_MAX_QUEUE … #define HFI1_NUM_VNIC_CTXT … /** * struct hfi1_vnic_sdma - VNIC per Tx ring SDMA information * @dd - device data pointer * @sde - sdma engine * @vinfo - vnic info pointer * @wait - iowait structure * @stx - sdma tx request * @state - vnic Tx ring SDMA state * @q_idx - vnic Tx queue index */ struct hfi1_vnic_sdma { … }; /** * struct hfi1_vnic_rx_queue - HFI1 VNIC receive queue * @idx: queue index * @vinfo: pointer to vport information * @netdev: network device * @napi: netdev napi structure * @skbq: queue of received socket buffers */ struct hfi1_vnic_rx_queue { … }; /** * struct hfi1_vnic_vport_info - HFI1 VNIC virtual port information * @dd: device data pointer * @netdev: net device pointer * @flags: state flags * @lock: vport lock * @num_tx_q: number of transmit queues * @num_rx_q: number of receive queues * @vesw_id: virtual switch id * @rxq: Array of receive queues * @stats: per queue stats * @sdma: VNIC SDMA structure per TXQ */ struct hfi1_vnic_vport_info { … }; #define v_dbg(format, arg...) … #define v_err(format, arg...) … #define v_info(format, arg...) … /* vnic hfi1 internal functions */ void hfi1_vnic_setup(struct hfi1_devdata *dd); int hfi1_vnic_txreq_init(struct hfi1_devdata *dd); void hfi1_vnic_txreq_deinit(struct hfi1_devdata *dd); void hfi1_vnic_bypass_rcv(struct hfi1_packet *packet); void hfi1_vnic_sdma_init(struct hfi1_vnic_vport_info *vinfo); bool hfi1_vnic_sdma_write_avail(struct hfi1_vnic_vport_info *vinfo, u8 q_idx); /* vnic rdma netdev operations */ struct net_device *hfi1_vnic_alloc_rn(struct ib_device *device, u32 port_num, enum rdma_netdev_t type, const char *name, unsigned char name_assign_type, void (*setup)(struct net_device *)); int hfi1_vnic_send_dma(struct hfi1_devdata *dd, u8 q_idx, struct hfi1_vnic_vport_info *vinfo, struct sk_buff *skb, u64 pbc, u8 plen); #endif /* _HFI1_VNIC_H */
Codebase Browser
linux