98 lines
3 KiB
C
98 lines
3 KiB
C
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/*
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* Copyright (c) 2006 - 2011 Intel-NE, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __NES_MGT_H
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#define __NES_MGT_H
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#define MPA_FRAMING 6 /* length is 2 bytes, crc is 4 bytes */
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int nes_init_mgt_qp(struct nes_device *nesdev, struct net_device *netdev, struct nes_vnic *nesvnic);
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void nes_queue_mgt_skbs(struct sk_buff *skb, struct nes_vnic *nesvnic, struct nes_qp *nesqp);
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void nes_destroy_mgt(struct nes_vnic *nesvnic);
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void nes_destroy_pau_qp(struct nes_device *nesdev, struct nes_qp *nesqp);
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struct nes_hw_mgt {
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struct nes_hw_nic_rq_wqe *rq_vbase; /* virtual address of rq */
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dma_addr_t rq_pbase; /* PCI memory for host rings */
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struct sk_buff *rx_skb[NES_NIC_WQ_SIZE];
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u16 qp_id;
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u16 sq_head;
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u16 rq_head;
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u16 rq_tail;
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u16 rq_size;
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u8 replenishing_rq;
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u8 reserved;
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spinlock_t rq_lock;
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};
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struct nes_vnic_mgt {
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struct nes_vnic *nesvnic;
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struct nes_hw_mgt mgt;
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struct nes_hw_nic_cq mgt_cq;
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atomic_t rx_skbs_needed;
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struct timer_list rq_wqes_timer;
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atomic_t rx_skb_timer_running;
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};
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#define MAX_FPDU_FRAGS 4
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struct pau_fpdu_frag {
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struct sk_buff *skb;
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u64 physaddr;
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u32 frag_len;
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bool cmplt;
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};
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struct pau_fpdu_info {
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struct nes_qp *nesqp;
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struct nes_cqp_request *cqp_request;
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void *hdr_vbase;
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dma_addr_t hdr_pbase;
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int hdr_len;
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u16 data_len;
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u16 frag_cnt;
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struct pau_fpdu_frag frags[MAX_FPDU_FRAGS];
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};
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enum pau_qh_state {
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PAU_DEL_QH,
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PAU_ADD_LB_QH,
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PAU_READY
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};
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struct pau_qh_chg {
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struct nes_device *nesdev;
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struct nes_vnic *nesvnic;
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struct nes_qp *nesqp;
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};
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#endif /* __NES_MGT_H */
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