1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Atlantic Network Driver
4 * Copyright (C) 2014-2019 aQuantia Corporation
5 * Copyright (C) 2019-2020 Marvell International Ltd.
8 /* File aq_nic.h: Declaration of common code for NIC. */
13 #include <linux/ethtool.h>
15 #include <linux/bpf.h>
17 #include "aq_common.h"
27 enum aq_rx_filter_type;
42 const struct aq_hw_caps_s *aq_hw_caps;
44 u32 rxds; /* rx ring size, descriptors # */
45 u32 txds; /* tx ring size, descriptors # */
46 u32 vecs; /* allocated rx/tx vectors */
60 bool is_vlan_force_promisc;
61 u16 is_mc_list_enabled;
70 int downshift_counter;
71 enum aq_tc_mode tc_mode;
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 aq_rss;
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
91 #define AQ_NIC_QUIRK_BAD_PTP BIT(0)
93 #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\
96 #define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \
97 (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4)
99 #define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \
100 ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_))
102 #define AQ_NIC_RING2QMAP(_NIC_, _ID_) \
103 ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \
105 ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg)))
107 struct aq_hw_rx_fl2 {
108 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS];
111 struct aq_hw_rx_fl3l4 {
118 struct aq_hw_rx_fltrs_s {
119 struct hlist_head filter_list;
121 struct aq_hw_rx_fl2 fl2;
122 struct aq_hw_rx_fl3l4 fl3l4;
123 /* filter ether type */
124 u8 fet_reserved_count;
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;
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;
148 u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN];
150 /* Bitmask of currently assigned vlans from linux */
151 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
153 struct pci_dev *pdev;
154 unsigned int msix_entry_mask;
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;
162 struct aq_ptp_s *aq_ptp;
163 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs;
166 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self)
168 return self->ndev->dev.parent;
171 void aq_nic_ndev_init(struct aq_nic_s *self);
172 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev);
173 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
174 struct aq_ring_s *ring);
175 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self);
176 int aq_nic_init(struct aq_nic_s *self);
177 void aq_nic_cfg_start(struct aq_nic_s *self);
178 int aq_nic_ndev_register(struct aq_nic_s *self);
179 void aq_nic_ndev_free(struct aq_nic_s *self);
180 int aq_nic_start(struct aq_nic_s *self);
181 unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb,
182 struct aq_ring_s *ring);
183 int aq_nic_xmit_xdpf(struct aq_nic_s *aq_nic, struct aq_ring_s *tx_ring,
184 struct xdp_frame *xdpf);
185 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb);
186 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p);
187 int aq_nic_get_regs_count(struct aq_nic_s *self);
188 u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data);
189 int aq_nic_stop(struct aq_nic_s *self);
190 void aq_nic_deinit(struct aq_nic_s *self, bool link_down);
191 void aq_nic_set_power(struct aq_nic_s *self);
192 void aq_nic_free_hot_resources(struct aq_nic_s *self);
193 void aq_nic_free_vectors(struct aq_nic_s *self);
194 int aq_nic_realloc_vectors(struct aq_nic_s *self);
195 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu);
196 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev);
197 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags);
198 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev);
199 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self);
200 void aq_nic_get_link_ksettings(struct aq_nic_s *self,
201 struct ethtool_link_ksettings *cmd);
202 int aq_nic_set_link_ksettings(struct aq_nic_s *self,
203 const struct ethtool_link_ksettings *cmd);
204 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self);
205 u32 aq_nic_get_fw_version(struct aq_nic_s *self);
206 int aq_nic_set_loopback(struct aq_nic_s *self);
207 int aq_nic_set_downshift(struct aq_nic_s *self, int val);
208 int aq_nic_set_media_detect(struct aq_nic_s *self, int val);
209 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self);
210 void aq_nic_shutdown(struct aq_nic_s *self);
211 u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type);
212 void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type,
214 int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map);
215 int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc,
217 int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc,
219 #endif /* AQ_NIC_H */