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[J-linux.git] / drivers / net / ethernet / sfc / nic.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /****************************************************************************
3  * Driver for Solarflare network controllers and boards
4  * Copyright 2005-2006 Fen Systems Ltd.
5  * Copyright 2006-2013 Solarflare Communications Inc.
6  */
7
8 #ifndef EFX_NIC_H
9 #define EFX_NIC_H
10
11 #include "nic_common.h"
12 #include "efx.h"
13
14 enum {
15         PHY_TYPE_NONE = 0,
16         PHY_TYPE_TXC43128 = 1,
17         PHY_TYPE_88E1111 = 2,
18         PHY_TYPE_SFX7101 = 3,
19         PHY_TYPE_QT2022C2 = 4,
20         PHY_TYPE_PM8358 = 6,
21         PHY_TYPE_SFT9001A = 8,
22         PHY_TYPE_QT2025C = 9,
23         PHY_TYPE_SFT9001B = 10,
24 };
25
26 enum {
27         EF10_STAT_port_tx_bytes = GENERIC_STAT_COUNT,
28         EF10_STAT_port_tx_packets,
29         EF10_STAT_port_tx_pause,
30         EF10_STAT_port_tx_control,
31         EF10_STAT_port_tx_unicast,
32         EF10_STAT_port_tx_multicast,
33         EF10_STAT_port_tx_broadcast,
34         EF10_STAT_port_tx_lt64,
35         EF10_STAT_port_tx_64,
36         EF10_STAT_port_tx_65_to_127,
37         EF10_STAT_port_tx_128_to_255,
38         EF10_STAT_port_tx_256_to_511,
39         EF10_STAT_port_tx_512_to_1023,
40         EF10_STAT_port_tx_1024_to_15xx,
41         EF10_STAT_port_tx_15xx_to_jumbo,
42         EF10_STAT_port_rx_bytes,
43         EF10_STAT_port_rx_bytes_minus_good_bytes,
44         EF10_STAT_port_rx_good_bytes,
45         EF10_STAT_port_rx_bad_bytes,
46         EF10_STAT_port_rx_packets,
47         EF10_STAT_port_rx_good,
48         EF10_STAT_port_rx_bad,
49         EF10_STAT_port_rx_pause,
50         EF10_STAT_port_rx_control,
51         EF10_STAT_port_rx_unicast,
52         EF10_STAT_port_rx_multicast,
53         EF10_STAT_port_rx_broadcast,
54         EF10_STAT_port_rx_lt64,
55         EF10_STAT_port_rx_64,
56         EF10_STAT_port_rx_65_to_127,
57         EF10_STAT_port_rx_128_to_255,
58         EF10_STAT_port_rx_256_to_511,
59         EF10_STAT_port_rx_512_to_1023,
60         EF10_STAT_port_rx_1024_to_15xx,
61         EF10_STAT_port_rx_15xx_to_jumbo,
62         EF10_STAT_port_rx_gtjumbo,
63         EF10_STAT_port_rx_bad_gtjumbo,
64         EF10_STAT_port_rx_overflow,
65         EF10_STAT_port_rx_align_error,
66         EF10_STAT_port_rx_length_error,
67         EF10_STAT_port_rx_nodesc_drops,
68         EF10_STAT_port_rx_pm_trunc_bb_overflow,
69         EF10_STAT_port_rx_pm_discard_bb_overflow,
70         EF10_STAT_port_rx_pm_trunc_vfifo_full,
71         EF10_STAT_port_rx_pm_discard_vfifo_full,
72         EF10_STAT_port_rx_pm_trunc_qbb,
73         EF10_STAT_port_rx_pm_discard_qbb,
74         EF10_STAT_port_rx_pm_discard_mapping,
75         EF10_STAT_port_rx_dp_q_disabled_packets,
76         EF10_STAT_port_rx_dp_di_dropped_packets,
77         EF10_STAT_port_rx_dp_streaming_packets,
78         EF10_STAT_port_rx_dp_hlb_fetch,
79         EF10_STAT_port_rx_dp_hlb_wait,
80         EF10_STAT_rx_unicast,
81         EF10_STAT_rx_unicast_bytes,
82         EF10_STAT_rx_multicast,
83         EF10_STAT_rx_multicast_bytes,
84         EF10_STAT_rx_broadcast,
85         EF10_STAT_rx_broadcast_bytes,
86         EF10_STAT_rx_bad,
87         EF10_STAT_rx_bad_bytes,
88         EF10_STAT_rx_overflow,
89         EF10_STAT_tx_unicast,
90         EF10_STAT_tx_unicast_bytes,
91         EF10_STAT_tx_multicast,
92         EF10_STAT_tx_multicast_bytes,
93         EF10_STAT_tx_broadcast,
94         EF10_STAT_tx_broadcast_bytes,
95         EF10_STAT_tx_bad,
96         EF10_STAT_tx_bad_bytes,
97         EF10_STAT_tx_overflow,
98         EF10_STAT_V1_COUNT,
99         EF10_STAT_fec_uncorrected_errors = EF10_STAT_V1_COUNT,
100         EF10_STAT_fec_corrected_errors,
101         EF10_STAT_fec_corrected_symbols_lane0,
102         EF10_STAT_fec_corrected_symbols_lane1,
103         EF10_STAT_fec_corrected_symbols_lane2,
104         EF10_STAT_fec_corrected_symbols_lane3,
105         EF10_STAT_ctpio_vi_busy_fallback,
106         EF10_STAT_ctpio_long_write_success,
107         EF10_STAT_ctpio_missing_dbell_fail,
108         EF10_STAT_ctpio_overflow_fail,
109         EF10_STAT_ctpio_underflow_fail,
110         EF10_STAT_ctpio_timeout_fail,
111         EF10_STAT_ctpio_noncontig_wr_fail,
112         EF10_STAT_ctpio_frm_clobber_fail,
113         EF10_STAT_ctpio_invalid_wr_fail,
114         EF10_STAT_ctpio_vi_clobber_fallback,
115         EF10_STAT_ctpio_unqualified_fallback,
116         EF10_STAT_ctpio_runt_fallback,
117         EF10_STAT_ctpio_success,
118         EF10_STAT_ctpio_fallback,
119         EF10_STAT_ctpio_poison,
120         EF10_STAT_ctpio_erase,
121         EF10_STAT_COUNT
122 };
123
124 /* Maximum number of TX PIO buffers we may allocate to a function.
125  * This matches the total number of buffers on each SFC9100-family
126  * controller.
127  */
128 #define EF10_TX_PIOBUF_COUNT 16
129
130 /**
131  * struct efx_ef10_nic_data - EF10 architecture NIC state
132  * @mcdi_buf: DMA buffer for MCDI
133  * @warm_boot_count: Last seen MC warm boot count
134  * @vi_base: Absolute index of first VI in this function
135  * @n_allocated_vis: Number of VIs allocated to this function
136  * @n_piobufs: Number of PIO buffers allocated to this function
137  * @wc_membase: Base address of write-combining mapping of the memory BAR
138  * @pio_write_base: Base address for writing PIO buffers
139  * @pio_write_vi_base: Relative VI number for @pio_write_base
140  * @piobuf_handle: Handle of each PIO buffer allocated
141  * @piobuf_size: size of a single PIO buffer
142  * @must_restore_piobufs: Flag: PIO buffers have yet to be restored after MC
143  *      reboot
144  * @mc_stats: Scratch buffer for converting statistics to the kernel's format
145  * @stats: Hardware statistics
146  * @workaround_35388: Flag: firmware supports workaround for bug 35388
147  * @workaround_26807: Flag: firmware supports workaround for bug 26807
148  * @workaround_61265: Flag: firmware supports workaround for bug 61265
149  * @must_check_datapath_caps: Flag: @datapath_caps needs to be revalidated
150  *      after MC reboot
151  * @datapath_caps: Capabilities of datapath firmware (FLAGS1 field of
152  *      %MC_CMD_GET_CAPABILITIES response)
153  * @datapath_caps2: Further Capabilities of datapath firmware (FLAGS2 field of
154  * %MC_CMD_GET_CAPABILITIES response)
155  * @rx_dpcpu_fw_id: Firmware ID of the RxDPCPU
156  * @tx_dpcpu_fw_id: Firmware ID of the TxDPCPU
157  * @must_probe_vswitching: Flag: vswitching has yet to be setup after MC reboot
158  * @pf_index: The number for this PF, or the parent PF if this is a VF
159 #ifdef CONFIG_SFC_SRIOV
160  * @vf: Pointer to VF data structure
161 #endif
162  * @vport_mac: The MAC address on the vport, only for PFs; VFs will be zero
163  * @vlan_list: List of VLANs added over the interface. Serialised by vlan_lock.
164  * @vlan_lock: Lock to serialize access to vlan_list.
165  * @udp_tunnels: UDP tunnel port numbers and types.
166  * @udp_tunnels_dirty: flag indicating a reboot occurred while pushing
167  *      @udp_tunnels to hardware and thus the push must be re-done.
168  * @udp_tunnels_lock: Serialises writes to @udp_tunnels and @udp_tunnels_dirty.
169  */
170 struct efx_ef10_nic_data {
171         struct efx_buffer mcdi_buf;
172         u16 warm_boot_count;
173         unsigned int vi_base;
174         unsigned int n_allocated_vis;
175         unsigned int n_piobufs;
176         void __iomem *wc_membase, *pio_write_base;
177         unsigned int pio_write_vi_base;
178         unsigned int piobuf_handle[EF10_TX_PIOBUF_COUNT];
179         u16 piobuf_size;
180         bool must_restore_piobufs;
181         __le64 *mc_stats;
182         u64 stats[EF10_STAT_COUNT];
183         bool workaround_35388;
184         bool workaround_26807;
185         bool workaround_61265;
186         bool must_check_datapath_caps;
187         u32 datapath_caps;
188         u32 datapath_caps2;
189         unsigned int rx_dpcpu_fw_id;
190         unsigned int tx_dpcpu_fw_id;
191         bool must_probe_vswitching;
192         unsigned int pf_index;
193         u8 port_id[ETH_ALEN];
194 #ifdef CONFIG_SFC_SRIOV
195         unsigned int vf_index;
196         struct ef10_vf *vf;
197 #endif
198         u8 vport_mac[ETH_ALEN];
199         struct list_head vlan_list;
200         struct mutex vlan_lock;
201         struct efx_udp_tunnel udp_tunnels[16];
202         bool udp_tunnels_dirty;
203         struct mutex udp_tunnels_lock;
204         u64 licensed_features;
205 };
206
207 /* TSOv2 */
208 int efx_ef10_tx_tso_desc(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
209                          bool *data_mapped);
210
211 extern const struct efx_nic_type efx_hunt_a0_nic_type;
212 extern const struct efx_nic_type efx_hunt_a0_vf_nic_type;
213
214 extern const struct efx_nic_type efx_x4_nic_type;
215
216 #endif /* EFX_NIC_H */
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