xref: /linux/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h (revision af50e4ba34f4c45e92535364133d4deb5931c1c5)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*******************************************************************************
3  *
4  * Intel Ethernet Controller XL710 Family Linux Driver
5  * Copyright(c) 2013 - 2015 Intel Corporation.
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms and conditions of the GNU General Public License,
9  * version 2, as published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
14  * more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with this program.  If not, see <http://www.gnu.org/licenses/>.
18  *
19  * The full GNU General Public License is included in this distribution in
20  * the file called "COPYING".
21  *
22  * Contact Information:
23  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25  *
26  ******************************************************************************/
27 
28 #ifndef _I40E_VIRTCHNL_PF_H_
29 #define _I40E_VIRTCHNL_PF_H_
30 
31 #include "i40e.h"
32 
33 #define I40E_MAX_VLANID 4095
34 
35 #define I40E_VIRTCHNL_SUPPORTED_QTYPES 2
36 
37 #define I40E_DEFAULT_NUM_MDD_EVENTS_ALLOWED	3
38 #define I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED	10
39 
40 #define I40E_VLAN_PRIORITY_SHIFT	12
41 #define I40E_VLAN_MASK			0xFFF
42 #define I40E_PRIORITY_MASK		0x7000
43 
44 /* Various queue ctrls */
45 enum i40e_queue_ctrl {
46 	I40E_QUEUE_CTRL_UNKNOWN = 0,
47 	I40E_QUEUE_CTRL_ENABLE,
48 	I40E_QUEUE_CTRL_ENABLECHECK,
49 	I40E_QUEUE_CTRL_DISABLE,
50 	I40E_QUEUE_CTRL_DISABLECHECK,
51 	I40E_QUEUE_CTRL_FASTDISABLE,
52 	I40E_QUEUE_CTRL_FASTDISABLECHECK,
53 };
54 
55 /* VF states */
56 enum i40e_vf_states {
57 	I40E_VF_STATE_INIT = 0,
58 	I40E_VF_STATE_ACTIVE,
59 	I40E_VF_STATE_IWARPENA,
60 	I40E_VF_STATE_DISABLED,
61 	I40E_VF_STATE_MC_PROMISC,
62 	I40E_VF_STATE_UC_PROMISC,
63 	I40E_VF_STATE_PRE_ENABLE,
64 };
65 
66 /* VF capabilities */
67 enum i40e_vf_capabilities {
68 	I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
69 	I40E_VIRTCHNL_VF_CAP_L2,
70 	I40E_VIRTCHNL_VF_CAP_IWARP,
71 };
72 
73 /* In ADq, max 4 VSI's can be allocated per VF including primary VF VSI.
74  * These variables are used to store indices, id's and number of queues
75  * for each VSI including that of primary VF VSI. Each Traffic class is
76  * termed as channel and each channel can in-turn have 4 queues which
77  * means max 16 queues overall per VF.
78  */
79 struct i40evf_channel {
80 	u16 vsi_idx; /* index in PF struct for all channel VSIs */
81 	u16 vsi_id; /* VSI ID used by firmware */
82 	u16 num_qps; /* number of queue pairs requested by user */
83 	u64 max_tx_rate; /* bandwidth rate allocation for VSIs */
84 };
85 
86 /* VF information structure */
87 struct i40e_vf {
88 	struct i40e_pf *pf;
89 
90 	/* VF id in the PF space */
91 	s16 vf_id;
92 	/* all VF vsis connect to the same parent */
93 	enum i40e_switch_element_types parent_type;
94 	struct virtchnl_version_info vf_ver;
95 	u32 driver_caps; /* reported by VF driver */
96 
97 	/* VF Port Extender (PE) stag if used */
98 	u16 stag;
99 
100 	struct virtchnl_ether_addr default_lan_addr;
101 	u16 port_vlan_id;
102 	bool pf_set_mac;	/* The VMM admin set the VF MAC address */
103 	bool trusted;
104 
105 	/* VSI indices - actual VSI pointers are maintained in the PF structure
106 	 * When assigned, these will be non-zero, because VSI 0 is always
107 	 * the main LAN VSI for the PF.
108 	 */
109 	u16 lan_vsi_idx;	/* index into PF struct */
110 	u16 lan_vsi_id;		/* ID as used by firmware */
111 
112 	u8 num_queue_pairs;	/* num of qps assigned to VF vsis */
113 	u8 num_req_queues;	/* num of requested qps */
114 	u64 num_mdd_events;	/* num of mdd events detected */
115 	/* num of continuous malformed or invalid msgs detected */
116 	u64 num_invalid_msgs;
117 	u64 num_valid_msgs;	/* num of valid msgs detected */
118 
119 	unsigned long vf_caps;	/* vf's adv. capabilities */
120 	unsigned long vf_states;	/* vf's runtime states */
121 	unsigned int tx_rate;	/* Tx bandwidth limit in Mbps */
122 	bool link_forced;
123 	bool link_up;		/* only valid if VF link is forced */
124 	bool spoofchk;
125 	u16 num_mac;
126 	u16 num_vlan;
127 
128 	/* ADq related variables */
129 	bool adq_enabled; /* flag to enable adq */
130 	u8 num_tc;
131 	struct i40evf_channel ch[I40E_MAX_VF_VSI];
132 	struct hlist_head cloud_filter_list;
133 	u16 num_cloud_filters;
134 
135 	/* RDMA Client */
136 	struct virtchnl_iwarp_qvlist_info *qvlist_info;
137 };
138 
139 void i40e_free_vfs(struct i40e_pf *pf);
140 int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
141 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs);
142 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
143 			   u32 v_retval, u8 *msg, u16 msglen);
144 int i40e_vc_process_vflr_event(struct i40e_pf *pf);
145 bool i40e_reset_vf(struct i40e_vf *vf, bool flr);
146 bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr);
147 void i40e_vc_notify_vf_reset(struct i40e_vf *vf);
148 
149 /* VF configuration related iplink handlers */
150 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
151 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
152 			      u16 vlan_id, u8 qos, __be16 vlan_proto);
153 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
154 		       int max_tx_rate);
155 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting);
156 int i40e_ndo_get_vf_config(struct net_device *netdev,
157 			   int vf_id, struct ifla_vf_info *ivi);
158 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
159 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);
160 
161 void i40e_vc_notify_link_state(struct i40e_pf *pf);
162 void i40e_vc_notify_reset(struct i40e_pf *pf);
163 
164 #endif /* _I40E_VIRTCHNL_PF_H_ */
165