| Faisal Latif | 0f0bee8 | 2011-09-25 20:34:00 -0500 | [diff] [blame] | 1 | /* |
| Tatyana Nikolova | c5488c5 | 2011-11-28 14:22:29 -0600 | [diff] [blame] | 2 | * Copyright (c) 2006 - 2011 Intel-NE, Inc. All rights reserved. |
| Faisal Latif | 0f0bee8 | 2011-09-25 20:34:00 -0500 | [diff] [blame] | 3 | * |
| 4 | * This software is available to you under a choice of one of two |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU |
| 6 | * General Public License (GPL) Version 2, available from the file |
| 7 | * COPYING in the main directory of this source tree, or the |
| 8 | * OpenIB.org BSD license below: |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or |
| 11 | * without modification, are permitted provided that the following |
| 12 | * conditions are met: |
| 13 | * |
| 14 | * - Redistributions of source code must retain the above |
| 15 | * copyright notice, this list of conditions and the following |
| 16 | * disclaimer. |
| 17 | * |
| 18 | * - Redistributions in binary form must reproduce the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer in the documentation and/or other materials |
| 21 | * provided with the distribution. |
| 22 | * |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 30 | * SOFTWARE. |
| 31 | */ |
| 32 | |
| 33 | #ifndef __NES_MGT_H |
| 34 | #define __NES_MGT_H |
| 35 | |
| 36 | #define MPA_FRAMING 6 /* length is 2 bytes, crc is 4 bytes */ |
| 37 | |
| 38 | int nes_init_mgt_qp(struct nes_device *nesdev, struct net_device *netdev, struct nes_vnic *nesvnic); |
| 39 | void nes_queue_mgt_skbs(struct sk_buff *skb, struct nes_vnic *nesvnic, struct nes_qp *nesqp); |
| 40 | void nes_destroy_mgt(struct nes_vnic *nesvnic); |
| 41 | void nes_destroy_pau_qp(struct nes_device *nesdev, struct nes_qp *nesqp); |
| 42 | |
| 43 | struct nes_hw_mgt { |
| 44 | struct nes_hw_nic_rq_wqe *rq_vbase; /* virtual address of rq */ |
| 45 | dma_addr_t rq_pbase; /* PCI memory for host rings */ |
| 46 | struct sk_buff *rx_skb[NES_NIC_WQ_SIZE]; |
| 47 | u16 qp_id; |
| 48 | u16 sq_head; |
| 49 | u16 rq_head; |
| 50 | u16 rq_tail; |
| 51 | u16 rq_size; |
| 52 | u8 replenishing_rq; |
| 53 | u8 reserved; |
| 54 | spinlock_t rq_lock; |
| 55 | }; |
| 56 | |
| 57 | struct nes_vnic_mgt { |
| 58 | struct nes_vnic *nesvnic; |
| 59 | struct nes_hw_mgt mgt; |
| 60 | struct nes_hw_nic_cq mgt_cq; |
| 61 | atomic_t rx_skbs_needed; |
| 62 | struct timer_list rq_wqes_timer; |
| 63 | atomic_t rx_skb_timer_running; |
| 64 | }; |
| 65 | |
| 66 | #define MAX_FPDU_FRAGS 4 |
| 67 | struct pau_fpdu_frag { |
| 68 | struct sk_buff *skb; |
| 69 | u64 physaddr; |
| 70 | u32 frag_len; |
| 71 | bool cmplt; |
| 72 | }; |
| 73 | |
| 74 | struct pau_fpdu_info { |
| 75 | struct nes_qp *nesqp; |
| 76 | struct nes_cqp_request *cqp_request; |
| 77 | void *hdr_vbase; |
| 78 | dma_addr_t hdr_pbase; |
| 79 | int hdr_len; |
| 80 | u16 data_len; |
| 81 | u16 frag_cnt; |
| 82 | struct pau_fpdu_frag frags[MAX_FPDU_FRAGS]; |
| 83 | }; |
| 84 | |
| 85 | enum pau_qh_state { |
| 86 | PAU_DEL_QH, |
| 87 | PAU_ADD_LB_QH, |
| 88 | PAU_READY |
| 89 | }; |
| 90 | |
| 91 | struct pau_qh_chg { |
| 92 | struct nes_device *nesdev; |
| 93 | struct nes_vnic *nesvnic; |
| 94 | struct nes_qp *nesqp; |
| 95 | }; |
| 96 | |
| 97 | #endif /* __NES_MGT_H */ |