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 #define VF_IS_V10(_v) (((_v)->vf_ver.major == 1) && ((_v)->vf_ver.minor == 0))
44 #define VF_IS_V11(_v) (((_v)->vf_ver.major == 1) && ((_v)->vf_ver.minor == 1))
45 
46 /* Various queue ctrls */
47 enum i40e_queue_ctrl {
48 	I40E_QUEUE_CTRL_UNKNOWN = 0,
49 	I40E_QUEUE_CTRL_ENABLE,
50 	I40E_QUEUE_CTRL_ENABLECHECK,
51 	I40E_QUEUE_CTRL_DISABLE,
52 	I40E_QUEUE_CTRL_DISABLECHECK,
53 	I40E_QUEUE_CTRL_FASTDISABLE,
54 	I40E_QUEUE_CTRL_FASTDISABLECHECK,
55 };
56 
57 /* VF states */
58 enum i40e_vf_states {
59 	I40E_VF_STAT_INIT = 0,
60 	I40E_VF_STAT_ACTIVE,
61 	I40E_VF_STAT_FCOEENA,
62 	I40E_VF_STAT_DISABLED,
63 };
64 
65 /* VF capabilities */
66 enum i40e_vf_capabilities {
67 	I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
68 	I40E_VIRTCHNL_VF_CAP_L2,
69 };
70 
71 /* VF information structure */
72 struct i40e_vf {
73 	struct i40e_pf *pf;
74 
75 	/* VF id in the PF space */
76 	u16 vf_id;
77 	/* all VF vsis connect to the same parent */
78 	enum i40e_switch_element_types parent_type;
79 	struct i40e_virtchnl_version_info vf_ver;
80 	u32 driver_caps; /* reported by VF driver */
81 
82 	/* VF Port Extender (PE) stag if used */
83 	u16 stag;
84 
85 	struct i40e_virtchnl_ether_addr default_lan_addr;
86 	struct i40e_virtchnl_ether_addr default_fcoe_addr;
87 	u16 port_vlan_id;
88 	bool pf_set_mac;	/* The VMM admin set the VF MAC address */
89 
90 	/* VSI indices - actual VSI pointers are maintained in the PF structure
91 	 * When assigned, these will be non-zero, because VSI 0 is always
92 	 * the main LAN VSI for the PF.
93 	 */
94 	u8 lan_vsi_idx;	        /* index into PF struct */
95 	u8 lan_vsi_id;		/* ID as used by firmware */
96 
97 	u8 num_queue_pairs;	/* num of qps assigned to VF vsis */
98 	u64 num_mdd_events;	/* num of mdd events detected */
99 	/* num of continuous malformed or invalid msgs detected */
100 	u64 num_invalid_msgs;
101 	u64 num_valid_msgs;	/* num of valid msgs detected */
102 
103 	unsigned long vf_caps;	/* vf's adv. capabilities */
104 	unsigned long vf_states;	/* vf's runtime states */
105 	unsigned int tx_rate;	/* Tx bandwidth limit in Mbps */
106 	bool link_forced;
107 	bool link_up;		/* only valid if VF link is forced */
108 	bool spoofchk;
109 };
110 
111 void i40e_free_vfs(struct i40e_pf *pf);
112 int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
113 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs);
114 int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode,
115 			   u32 v_retval, u8 *msg, u16 msglen);
116 int i40e_vc_process_vflr_event(struct i40e_pf *pf);
117 void i40e_reset_vf(struct i40e_vf *vf, bool flr);
118 void i40e_vc_notify_vf_reset(struct i40e_vf *vf);
119 
120 /* VF configuration related iplink handlers */
121 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
122 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
123 			      int vf_id, u16 vlan_id, u8 qos);
124 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
125 		       int max_tx_rate);
126 int i40e_ndo_get_vf_config(struct net_device *netdev,
127 			   int vf_id, struct ifla_vf_info *ivi);
128 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
129 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);
130 
131 void i40e_vc_notify_link_state(struct i40e_pf *pf);
132 void i40e_vc_notify_reset(struct i40e_pf *pf);
133 
134 #endif /* _I40E_VIRTCHNL_PF_H_ */
135