2 * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
5 * This program is free software; you may redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #include "vnic_enet.h"
28 #include "vnic_intr.h"
29 #include "vnic_stats.h"
33 #define DRV_NAME "enic"
34 #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver"
35 #define DRV_VERSION "2.1.1.43"
36 #define DRV_COPYRIGHT "Copyright 2008-2013 Cisco Systems, Inc"
38 #define ENIC_BARS_MAX 6
42 #define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
43 #define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
45 struct enic_msix_entry {
47 char devname[IFNAMSIZ];
48 irqreturn_t (*isr)(int, void *);
53 #define ENIC_SRIOV_ENABLED (1 << 0)
55 /* enic port profile set flags */
56 #define ENIC_PORT_REQUEST_APPLIED (1 << 0)
57 #define ENIC_SET_REQUEST (1 << 1)
58 #define ENIC_SET_NAME (1 << 2)
59 #define ENIC_SET_INSTANCE (1 << 3)
60 #define ENIC_SET_HOST (1 << 4)
62 struct enic_port_profile {
65 char name[PORT_PROFILE_MAX];
66 u8 instance_uuid[PORT_UUID_MAX];
67 u8 host_uuid[PORT_UUID_MAX];
69 u8 mac_addr[ETH_ALEN];
72 /* Per-instance private data structure */
74 struct net_device *netdev;
76 struct vnic_enet_config config;
77 struct vnic_dev_bar bar[ENIC_BARS_MAX];
78 struct vnic_dev *vdev;
79 struct timer_list notify_timer;
80 struct work_struct reset;
81 struct work_struct change_mtu_work;
82 struct msix_entry msix_entry[ENIC_INTR_MAX];
83 struct enic_msix_entry msix[ENIC_INTR_MAX];
85 spinlock_t devcmd_lock;
86 u8 mac_addr[ETH_ALEN];
87 u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
88 u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN];
90 unsigned int priv_flags;
91 unsigned int mc_count;
92 unsigned int uc_count;
94 u32 rx_coalesce_usecs;
95 u32 tx_coalesce_usecs;
99 spinlock_t enic_api_lock;
100 struct enic_port_profile *pp;
102 /* work queue cache line section */
103 ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX];
104 spinlock_t wq_lock[ENIC_WQ_MAX];
105 unsigned int wq_count;
109 /* receive queue cache line section */
110 ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX];
111 unsigned int rq_count;
112 u64 rq_truncated_pkts;
114 struct napi_struct napi[ENIC_RQ_MAX];
116 /* interrupt resource cache line section */
117 ____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX];
118 unsigned int intr_count;
119 u32 __iomem *legacy_pba; /* memory-mapped */
121 /* completion queue cache line section */
122 ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX];
123 unsigned int cq_count;
126 static inline struct device *enic_get_dev(struct enic *enic)
128 return &(enic->pdev->dev);
131 static inline unsigned int enic_cq_rq(struct enic *enic, unsigned int rq)
136 static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
138 return enic->rq_count + wq;
141 static inline unsigned int enic_legacy_io_intr(void)
146 static inline unsigned int enic_legacy_err_intr(void)
151 static inline unsigned int enic_legacy_notify_intr(void)
156 static inline unsigned int enic_msix_rq_intr(struct enic *enic,
159 return enic->cq[enic_cq_rq(enic, rq)].interrupt_offset;
162 static inline unsigned int enic_msix_wq_intr(struct enic *enic,
165 return enic->cq[enic_cq_wq(enic, wq)].interrupt_offset;
168 static inline unsigned int enic_msix_err_intr(struct enic *enic)
170 return enic->rq_count + enic->wq_count;
173 static inline unsigned int enic_msix_notify_intr(struct enic *enic)
175 return enic->rq_count + enic->wq_count + 1;
178 void enic_reset_addr_lists(struct enic *enic);
179 int enic_sriov_enabled(struct enic *enic);
180 int enic_is_valid_vf(struct enic *enic, int vf);
181 int enic_is_dynamic(struct enic *enic);
182 void enic_set_ethtool_ops(struct net_device *netdev);
184 #endif /* _ENIC_H_ */