xref: /openbmc/linux/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h (revision 93707cbabcc8baf2b2b5f4a99c1f08ee83eb7abd)
1 /*******************************************************************************
2  *
3  * Intel Ethernet Controller XL710 Family Linux Driver
4  * Copyright(c) 2013 - 2015 Intel Corporation.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
17  *
18  * The full GNU General Public License is included in this distribution in
19  * the file called "COPYING".
20  *
21  * Contact Information:
22  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24  *
25  ******************************************************************************/
26 
27 #ifndef _I40E_VIRTCHNL_PF_H_
28 #define _I40E_VIRTCHNL_PF_H_
29 
30 #include "i40e.h"
31 
32 #define I40E_MAX_VLANID 4095
33 
34 #define I40E_VIRTCHNL_SUPPORTED_QTYPES 2
35 
36 #define I40E_DEFAULT_NUM_MDD_EVENTS_ALLOWED	3
37 #define I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED	10
38 
39 #define I40E_VLAN_PRIORITY_SHIFT	12
40 #define I40E_VLAN_MASK			0xFFF
41 #define I40E_PRIORITY_MASK		0x7000
42 
43 /* Various queue ctrls */
44 enum i40e_queue_ctrl {
45 	I40E_QUEUE_CTRL_UNKNOWN = 0,
46 	I40E_QUEUE_CTRL_ENABLE,
47 	I40E_QUEUE_CTRL_ENABLECHECK,
48 	I40E_QUEUE_CTRL_DISABLE,
49 	I40E_QUEUE_CTRL_DISABLECHECK,
50 	I40E_QUEUE_CTRL_FASTDISABLE,
51 	I40E_QUEUE_CTRL_FASTDISABLECHECK,
52 };
53 
54 /* VF states */
55 enum i40e_vf_states {
56 	I40E_VF_STATE_INIT = 0,
57 	I40E_VF_STATE_ACTIVE,
58 	I40E_VF_STATE_IWARPENA,
59 	I40E_VF_STATE_DISABLED,
60 	I40E_VF_STATE_MC_PROMISC,
61 	I40E_VF_STATE_UC_PROMISC,
62 	I40E_VF_STATE_PRE_ENABLE,
63 };
64 
65 /* VF capabilities */
66 enum i40e_vf_capabilities {
67 	I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
68 	I40E_VIRTCHNL_VF_CAP_L2,
69 	I40E_VIRTCHNL_VF_CAP_IWARP,
70 };
71 
72 /* In ADq, max 4 VSI's can be allocated per VF including primary VF VSI.
73  * These variables are used to store indices, id's and number of queues
74  * for each VSI including that of primary VF VSI. Each Traffic class is
75  * termed as channel and each channel can in-turn have 4 queues which
76  * means max 16 queues overall per VF.
77  */
78 struct i40evf_channel {
79 	u16 vsi_idx; /* index in PF struct for all channel VSIs */
80 	u16 vsi_id; /* VSI ID used by firmware */
81 	u16 num_qps; /* number of queue pairs requested by user */
82 	u64 max_tx_rate; /* bandwidth rate allocation for VSIs */
83 };
84 
85 /* VF information structure */
86 struct i40e_vf {
87 	struct i40e_pf *pf;
88 
89 	/* VF id in the PF space */
90 	s16 vf_id;
91 	/* all VF vsis connect to the same parent */
92 	enum i40e_switch_element_types parent_type;
93 	struct virtchnl_version_info vf_ver;
94 	u32 driver_caps; /* reported by VF driver */
95 
96 	/* VF Port Extender (PE) stag if used */
97 	u16 stag;
98 
99 	struct virtchnl_ether_addr default_lan_addr;
100 	u16 port_vlan_id;
101 	bool pf_set_mac;	/* The VMM admin set the VF MAC address */
102 	bool trusted;
103 
104 	/* VSI indices - actual VSI pointers are maintained in the PF structure
105 	 * When assigned, these will be non-zero, because VSI 0 is always
106 	 * the main LAN VSI for the PF.
107 	 */
108 	u16 lan_vsi_idx;	/* index into PF struct */
109 	u16 lan_vsi_id;		/* ID as used by firmware */
110 
111 	u8 num_queue_pairs;	/* num of qps assigned to VF vsis */
112 	u8 num_req_queues;	/* num of requested qps */
113 	u64 num_mdd_events;	/* num of mdd events detected */
114 	/* num of continuous malformed or invalid msgs detected */
115 	u64 num_invalid_msgs;
116 	u64 num_valid_msgs;	/* num of valid msgs detected */
117 
118 	unsigned long vf_caps;	/* vf's adv. capabilities */
119 	unsigned long vf_states;	/* vf's runtime states */
120 	unsigned int tx_rate;	/* Tx bandwidth limit in Mbps */
121 	bool link_forced;
122 	bool link_up;		/* only valid if VF link is forced */
123 	bool spoofchk;
124 	u16 num_mac;
125 	u16 num_vlan;
126 
127 	/* ADq related variables */
128 	bool adq_enabled; /* flag to enable adq */
129 	u8 num_tc;
130 	struct i40evf_channel ch[I40E_MAX_VF_VSI];
131 	struct hlist_head cloud_filter_list;
132 	u16 num_cloud_filters;
133 
134 	/* RDMA Client */
135 	struct virtchnl_iwarp_qvlist_info *qvlist_info;
136 };
137 
138 void i40e_free_vfs(struct i40e_pf *pf);
139 int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
140 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs);
141 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
142 			   u32 v_retval, u8 *msg, u16 msglen);
143 int i40e_vc_process_vflr_event(struct i40e_pf *pf);
144 bool i40e_reset_vf(struct i40e_vf *vf, bool flr);
145 bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr);
146 void i40e_vc_notify_vf_reset(struct i40e_vf *vf);
147 
148 /* VF configuration related iplink handlers */
149 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
150 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
151 			      u16 vlan_id, u8 qos, __be16 vlan_proto);
152 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
153 		       int max_tx_rate);
154 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting);
155 int i40e_ndo_get_vf_config(struct net_device *netdev,
156 			   int vf_id, struct ifla_vf_info *ivi);
157 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
158 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);
159 
160 void i40e_vc_notify_link_state(struct i40e_pf *pf);
161 void i40e_vc_notify_reset(struct i40e_pf *pf);
162 
163 #endif /* _I40E_VIRTCHNL_PF_H_ */
164