1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* Atlantic Network Driver |
3 | * |
4 | * Copyright (C) 2014-2019 aQuantia Corporation |
5 | * Copyright (C) 2019-2020 Marvell International Ltd. |
6 | */ |
7 | |
8 | /* File aq_nic.h: Declaration of common code for NIC. */ |
9 | |
10 | #ifndef AQ_NIC_H |
11 | #define AQ_NIC_H |
12 | |
13 | #include <linux/ethtool.h> |
14 | #include <net/xdp.h> |
15 | #include <linux/bpf.h> |
16 | |
17 | #include "aq_common.h" |
18 | #include "aq_rss.h" |
19 | #include "aq_hw.h" |
20 | |
21 | struct aq_ring_s; |
22 | struct aq_hw_ops; |
23 | struct aq_fw_s; |
24 | struct aq_vec_s; |
25 | struct aq_macsec_cfg; |
26 | struct aq_ptp_s; |
27 | enum aq_rx_filter_type; |
28 | |
29 | enum aq_fc_mode { |
30 | AQ_NIC_FC_OFF = 0, |
31 | AQ_NIC_FC_TX, |
32 | AQ_NIC_FC_RX, |
33 | AQ_NIC_FC_FULL, |
34 | }; |
35 | |
36 | struct aq_fc_info { |
37 | enum aq_fc_mode req; |
38 | enum aq_fc_mode cur; |
39 | }; |
40 | |
41 | struct aq_nic_cfg_s { |
42 | const struct aq_hw_caps_s *aq_hw_caps; |
43 | u64 features; |
44 | u32 rxds; /* rx ring size, descriptors # */ |
45 | u32 txds; /* tx ring size, descriptors # */ |
46 | u32 vecs; /* allocated rx/tx vectors */ |
47 | u32 link_irq_vec; |
48 | u32 irq_type; |
49 | u32 itr; |
50 | u16 rx_itr; |
51 | u16 tx_itr; |
52 | u32 rxpageorder; |
53 | u32 ; |
54 | u32 mtu; |
55 | struct aq_fc_info fc; |
56 | u32 link_speed_msk; |
57 | u32 wol; |
58 | u8 is_vlan_rx_strip; |
59 | u8 is_vlan_tx_insert; |
60 | bool is_vlan_force_promisc; |
61 | u16 is_mc_list_enabled; |
62 | u16 mc_list_count; |
63 | bool is_autoneg; |
64 | bool is_polling; |
65 | bool ; |
66 | bool is_lro; |
67 | bool is_qos; |
68 | bool is_ptp; |
69 | bool is_media_detect; |
70 | int downshift_counter; |
71 | enum aq_tc_mode tc_mode; |
72 | u32 priv_flags; |
73 | u8 tcs; |
74 | u8 prio_tc_map[8]; |
75 | u32 tc_max_rate[AQ_CFG_TCS_MAX]; |
76 | unsigned long tc_min_rate_msk; |
77 | u32 tc_min_rate[AQ_CFG_TCS_MAX]; |
78 | struct aq_rss_parameters ; |
79 | u32 eee_speeds; |
80 | }; |
81 | |
82 | #define AQ_NIC_FLAG_STARTED 0x00000004U |
83 | #define AQ_NIC_FLAG_STOPPING 0x00000008U |
84 | #define AQ_NIC_FLAG_RESETTING 0x00000010U |
85 | #define AQ_NIC_FLAG_CLOSING 0x00000020U |
86 | #define AQ_NIC_PTP_DPATH_UP 0x02000000U |
87 | #define AQ_NIC_LINK_DOWN 0x04000000U |
88 | #define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U |
89 | #define AQ_NIC_FLAG_ERR_HW 0x80000000U |
90 | |
91 | #define AQ_NIC_QUIRK_BAD_PTP BIT(0) |
92 | |
93 | #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\ |
94 | WAKE_PHY) |
95 | |
96 | #define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \ |
97 | (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4) |
98 | |
99 | #define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \ |
100 | ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_)) |
101 | |
102 | #define AQ_NIC_RING2QMAP(_NIC_, _ID_) \ |
103 | ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \ |
104 | (_NIC_)->aq_vecs + \ |
105 | ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg))) |
106 | |
107 | struct aq_hw_rx_fl2 { |
108 | struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; |
109 | }; |
110 | |
111 | struct aq_hw_rx_fl3l4 { |
112 | u8 active_ipv4; |
113 | u8 active_ipv6:2; |
114 | u8 is_ipv6; |
115 | u8 reserved_count; |
116 | }; |
117 | |
118 | struct aq_hw_rx_fltrs_s { |
119 | struct hlist_head filter_list; |
120 | u16 active_filters; |
121 | struct aq_hw_rx_fl2 fl2; |
122 | struct aq_hw_rx_fl3l4 fl3l4; |
123 | /* filter ether type */ |
124 | u8 fet_reserved_count; |
125 | }; |
126 | |
127 | struct aq_nic_s { |
128 | atomic_t flags; |
129 | u32 msg_enable; |
130 | struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; |
131 | struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX]; |
132 | struct aq_hw_s *aq_hw; |
133 | struct bpf_prog *xdp_prog; |
134 | struct net_device *ndev; |
135 | unsigned int aq_vecs; |
136 | unsigned int packet_filter; |
137 | unsigned int power_state; |
138 | u8 port; |
139 | const struct aq_hw_ops *aq_hw_ops; |
140 | const struct aq_fw_ops *aq_fw_ops; |
141 | struct aq_nic_cfg_s aq_nic_cfg; |
142 | struct timer_list service_timer; |
143 | struct work_struct service_task; |
144 | struct timer_list polling_timer; |
145 | struct aq_hw_link_status_s link_status; |
146 | struct { |
147 | u32 count; |
148 | u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; |
149 | } mc_list; |
150 | /* Bitmask of currently assigned vlans from linux */ |
151 | unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; |
152 | |
153 | struct pci_dev *pdev; |
154 | unsigned int msix_entry_mask; |
155 | u32 irqvecs; |
156 | /* mutex to serialize FW interface access operations */ |
157 | struct mutex fwreq_mutex; |
158 | #if IS_ENABLED(CONFIG_MACSEC) |
159 | struct aq_macsec_cfg *macsec_cfg; |
160 | /* mutex to protect data in macsec_cfg */ |
161 | struct mutex macsec_mutex; |
162 | #endif |
163 | /* PTP support */ |
164 | struct aq_ptp_s *aq_ptp; |
165 | struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; |
166 | }; |
167 | |
168 | static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) |
169 | { |
170 | return self->ndev->dev.parent; |
171 | } |
172 | |
173 | void aq_nic_ndev_init(struct aq_nic_s *self); |
174 | struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); |
175 | void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, |
176 | struct aq_ring_s *ring); |
177 | struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); |
178 | int aq_nic_init(struct aq_nic_s *self); |
179 | void aq_nic_cfg_start(struct aq_nic_s *self); |
180 | int aq_nic_ndev_register(struct aq_nic_s *self); |
181 | void aq_nic_ndev_free(struct aq_nic_s *self); |
182 | int aq_nic_start(struct aq_nic_s *self); |
183 | unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb, |
184 | struct aq_ring_s *ring); |
185 | int aq_nic_xmit_xdpf(struct aq_nic_s *aq_nic, struct aq_ring_s *tx_ring, |
186 | struct xdp_frame *xdpf); |
187 | int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); |
188 | int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); |
189 | int aq_nic_get_regs_count(struct aq_nic_s *self); |
190 | u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data); |
191 | int aq_nic_stop(struct aq_nic_s *self); |
192 | void aq_nic_deinit(struct aq_nic_s *self, bool link_down); |
193 | void aq_nic_set_power(struct aq_nic_s *self); |
194 | void aq_nic_free_hot_resources(struct aq_nic_s *self); |
195 | void aq_nic_free_vectors(struct aq_nic_s *self); |
196 | int aq_nic_realloc_vectors(struct aq_nic_s *self); |
197 | int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); |
198 | int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); |
199 | int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); |
200 | int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); |
201 | unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); |
202 | void aq_nic_get_link_ksettings(struct aq_nic_s *self, |
203 | struct ethtool_link_ksettings *cmd); |
204 | int aq_nic_set_link_ksettings(struct aq_nic_s *self, |
205 | const struct ethtool_link_ksettings *cmd); |
206 | struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); |
207 | u32 aq_nic_get_fw_version(struct aq_nic_s *self); |
208 | int aq_nic_set_loopback(struct aq_nic_s *self); |
209 | int aq_nic_set_downshift(struct aq_nic_s *self, int val); |
210 | int aq_nic_set_media_detect(struct aq_nic_s *self, int val); |
211 | int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); |
212 | void aq_nic_shutdown(struct aq_nic_s *self); |
213 | u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type); |
214 | void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type, |
215 | u32 location); |
216 | int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map); |
217 | int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc, |
218 | const u32 max_rate); |
219 | int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc, |
220 | const u32 min_rate); |
221 | #endif /* AQ_NIC_H */ |
222 | |