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| 1 | +/* SPDX-License-Identifier: GPL-2.0-only */ |
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1 | 2 | /******************************************************************************* |
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2 | 3 | Copyright (C) 2007-2009 STMicroelectronics Ltd |
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3 | 4 | |
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4 | | - This program is free software; you can redistribute it and/or modify it |
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5 | | - under the terms and conditions of the GNU General Public License, |
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6 | | - version 2, as published by the Free Software Foundation. |
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7 | | - |
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8 | | - This program is distributed in the hope it will be useful, but WITHOUT |
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9 | | - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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10 | | - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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11 | | - more details. |
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12 | | - |
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13 | | - The full GNU General Public License is included in this distribution in |
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14 | | - the file called "COPYING". |
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15 | 5 | |
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16 | 6 | Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> |
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17 | 7 | *******************************************************************************/ |
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.. | .. |
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23 | 13 | #define DRV_MODULE_VERSION "Jan_2016" |
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24 | 14 | |
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25 | 15 | #include <linux/clk.h> |
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| 16 | +#include <linux/if_vlan.h> |
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26 | 17 | #include <linux/stmmac.h> |
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27 | | -#include <linux/phy.h> |
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| 18 | +#include <linux/phylink.h> |
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28 | 19 | #include <linux/pci.h> |
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29 | 20 | #include "common.h" |
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30 | 21 | #include <linux/ptp_clock_kernel.h> |
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31 | 22 | #include <linux/net_tstamp.h> |
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32 | 23 | #include <linux/reset.h> |
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| 24 | +#include <net/page_pool.h> |
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33 | 25 | |
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34 | 26 | struct stmmac_resources { |
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35 | 27 | void __iomem *addr; |
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.. | .. |
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47 | 39 | bool is_jumbo; |
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48 | 40 | }; |
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49 | 41 | |
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| 42 | +#define STMMAC_TBS_AVAIL BIT(0) |
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| 43 | +#define STMMAC_TBS_EN BIT(1) |
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| 44 | + |
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50 | 45 | /* Frequently used values are kept adjacent for cache effect */ |
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51 | 46 | struct stmmac_tx_queue { |
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52 | 47 | u32 tx_count_frames; |
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| 48 | + int tbs; |
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53 | 49 | struct timer_list txtimer; |
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54 | 50 | u32 queue_index; |
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55 | 51 | struct stmmac_priv *priv_data; |
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56 | 52 | struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp; |
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| 53 | + struct dma_edesc *dma_entx; |
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57 | 54 | struct dma_desc *dma_tx; |
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58 | 55 | struct sk_buff **tx_skbuff; |
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59 | 56 | struct stmmac_tx_info *tx_skbuff_dma; |
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.. | .. |
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64 | 61 | u32 mss; |
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65 | 62 | }; |
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66 | 63 | |
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| 64 | +struct stmmac_rx_buffer { |
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| 65 | + struct page *page; |
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| 66 | + struct page *sec_page; |
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| 67 | + dma_addr_t addr; |
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| 68 | + dma_addr_t sec_addr; |
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| 69 | +}; |
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| 70 | + |
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67 | 71 | struct stmmac_rx_queue { |
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| 72 | + u32 rx_count_frames; |
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68 | 73 | u32 queue_index; |
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| 74 | + struct page_pool *page_pool; |
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| 75 | + struct stmmac_rx_buffer *buf_pool; |
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69 | 76 | struct stmmac_priv *priv_data; |
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70 | 77 | struct dma_extended_desc *dma_erx; |
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71 | 78 | struct dma_desc *dma_rx ____cacheline_aligned_in_smp; |
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72 | | - struct sk_buff **rx_skbuff; |
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73 | | - dma_addr_t *rx_skbuff_dma; |
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74 | 79 | unsigned int cur_rx; |
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75 | 80 | unsigned int dirty_rx; |
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76 | 81 | u32 rx_zeroc_thresh; |
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77 | 82 | dma_addr_t dma_rx_phy; |
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78 | 83 | u32 rx_tail_addr; |
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| 84 | + unsigned int state_saved; |
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| 85 | + struct { |
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| 86 | + struct sk_buff *skb; |
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| 87 | + unsigned int len; |
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| 88 | + unsigned int error; |
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| 89 | + } state; |
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79 | 90 | }; |
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80 | 91 | |
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81 | 92 | struct stmmac_channel { |
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82 | | - struct napi_struct napi ____cacheline_aligned_in_smp; |
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| 93 | + struct napi_struct rx_napi ____cacheline_aligned_in_smp; |
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| 94 | + struct napi_struct tx_napi ____cacheline_aligned_in_smp; |
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83 | 95 | struct stmmac_priv *priv_data; |
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| 96 | + spinlock_t lock; |
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84 | 97 | u32 index; |
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85 | | - int has_rx; |
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86 | | - int has_tx; |
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87 | 98 | }; |
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88 | 99 | |
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89 | 100 | struct stmmac_tc_entry { |
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.. | .. |
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117 | 128 | struct timespec64 period; |
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118 | 129 | }; |
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119 | 130 | |
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| 131 | +struct stmmac_rss { |
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| 132 | + int enable; |
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| 133 | + u8 key[STMMAC_RSS_HASH_KEY_SIZE]; |
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| 134 | + u32 table[STMMAC_RSS_MAX_TABLE_SIZE]; |
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| 135 | +}; |
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| 136 | + |
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| 137 | +#define STMMAC_FLOW_ACTION_DROP BIT(0) |
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| 138 | +struct stmmac_flow_entry { |
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| 139 | + unsigned long cookie; |
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| 140 | + unsigned long action; |
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| 141 | + u8 ip_proto; |
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| 142 | + int in_use; |
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| 143 | + int idx; |
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| 144 | + int is_l4; |
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| 145 | +}; |
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| 146 | + |
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120 | 147 | struct stmmac_priv { |
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121 | 148 | /* Frequently used values are kept adjacent for cache effect */ |
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122 | 149 | u32 tx_coal_frames; |
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123 | 150 | u32 tx_coal_timer; |
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| 151 | + u32 rx_coal_frames; |
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124 | 152 | |
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125 | 153 | int tx_coalesce; |
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126 | 154 | int hwts_tx_en; |
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127 | 155 | bool tx_path_in_lpi_mode; |
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128 | 156 | bool tso; |
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| 157 | + int sph; |
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| 158 | + u32 sarc_type; |
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129 | 159 | |
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130 | 160 | unsigned int dma_buf_sz; |
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131 | 161 | unsigned int rx_copybreak; |
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.. | .. |
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141 | 171 | |
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142 | 172 | /* RX Queue */ |
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143 | 173 | struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES]; |
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| 174 | + unsigned int dma_rx_size; |
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144 | 175 | |
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145 | 176 | /* TX Queue */ |
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146 | 177 | struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES]; |
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| 178 | + unsigned int dma_tx_size; |
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147 | 179 | |
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148 | 180 | /* Generic channel for NAPI */ |
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149 | 181 | struct stmmac_channel channel[STMMAC_CH_MAX]; |
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150 | 182 | |
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151 | | - bool oldlink; |
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152 | 183 | int speed; |
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153 | | - int oldduplex; |
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154 | 184 | unsigned int flow_ctrl; |
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155 | 185 | unsigned int pause; |
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156 | 186 | struct mii_bus *mii; |
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157 | 187 | int mii_irq[PHY_MAX_ADDR]; |
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| 188 | + |
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| 189 | + struct phylink_config phylink_config; |
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| 190 | + struct phylink *phylink; |
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158 | 191 | |
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159 | 192 | struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp; |
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160 | 193 | struct stmmac_safety_stats sstats; |
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.. | .. |
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172 | 205 | int eee_enabled; |
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173 | 206 | int eee_active; |
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174 | 207 | int tx_lpi_timer; |
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| 208 | + int tx_lpi_enabled; |
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| 209 | + int eee_tw_timer; |
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175 | 210 | unsigned int mode; |
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176 | 211 | unsigned int chain_mode; |
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177 | 212 | int extend_desc; |
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.. | .. |
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187 | 222 | spinlock_t ptp_lock; |
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188 | 223 | void __iomem *mmcaddr; |
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189 | 224 | void __iomem *ptpaddr; |
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| 225 | + unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; |
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190 | 226 | |
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191 | 227 | #ifdef CONFIG_DEBUG_FS |
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192 | 228 | struct dentry *dbgfs_dir; |
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193 | | - struct dentry *dbgfs_rings_status; |
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194 | | - struct dentry *dbgfs_dma_cap; |
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195 | 229 | #endif |
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196 | 230 | |
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197 | 231 | unsigned long state; |
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.. | .. |
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202 | 236 | unsigned int tc_entries_max; |
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203 | 237 | unsigned int tc_off_max; |
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204 | 238 | struct stmmac_tc_entry *tc_entries; |
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| 239 | + unsigned int flow_entries_max; |
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| 240 | + struct stmmac_flow_entry *flow_entries; |
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205 | 241 | |
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206 | 242 | /* Pulse Per Second output */ |
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207 | 243 | struct stmmac_pps_cfg pps[STMMAC_PPS_MAX]; |
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| 244 | + |
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| 245 | + /* Receive Side Scaling */ |
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| 246 | + struct stmmac_rss rss; |
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208 | 247 | }; |
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209 | 248 | |
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210 | 249 | enum stmmac_state { |
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.. | .. |
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226 | 265 | } |
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227 | 266 | #endif |
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228 | 267 | |
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229 | | -#ifdef CONFIG_STMMAC_PTP |
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| 268 | +int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags); |
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230 | 269 | void stmmac_ptp_register(struct stmmac_priv *priv); |
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231 | 270 | void stmmac_ptp_unregister(struct stmmac_priv *priv); |
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232 | | -#else |
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233 | | -static inline void stmmac_ptp_register(struct stmmac_priv *priv) |
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234 | | -{ |
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235 | | -} |
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236 | | - |
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237 | | -static inline void stmmac_ptp_unregister(struct stmmac_priv *priv) |
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238 | | -{ |
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239 | | -} |
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240 | | -#endif |
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241 | 271 | int stmmac_resume(struct device *dev); |
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242 | 272 | int stmmac_suspend(struct device *dev); |
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243 | 273 | int stmmac_dvr_remove(struct device *dev); |
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.. | .. |
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246 | 276 | struct stmmac_resources *res); |
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247 | 277 | void stmmac_disable_eee_mode(struct stmmac_priv *priv); |
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248 | 278 | bool stmmac_eee_init(struct stmmac_priv *priv); |
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| 279 | +int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt); |
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| 280 | +int stmmac_reinit_ringparam(struct net_device *dev, u32 rx_size, u32 tx_size); |
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| 281 | +int stmmac_bus_clks_config(struct stmmac_priv *priv, bool enabled); |
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| 282 | + |
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| 283 | +#if IS_ENABLED(CONFIG_STMMAC_SELFTESTS) |
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| 284 | +void stmmac_selftest_run(struct net_device *dev, |
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| 285 | + struct ethtool_test *etest, u64 *buf); |
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| 286 | +void stmmac_selftest_get_strings(struct stmmac_priv *priv, u8 *data); |
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| 287 | +int stmmac_selftest_get_count(struct stmmac_priv *priv); |
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| 288 | +#else |
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| 289 | +static inline void stmmac_selftest_run(struct net_device *dev, |
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| 290 | + struct ethtool_test *etest, u64 *buf) |
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| 291 | +{ |
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| 292 | + /* Not enabled */ |
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| 293 | +} |
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| 294 | +static inline void stmmac_selftest_get_strings(struct stmmac_priv *priv, |
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| 295 | + u8 *data) |
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| 296 | +{ |
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| 297 | + /* Not enabled */ |
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| 298 | +} |
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| 299 | +static inline int stmmac_selftest_get_count(struct stmmac_priv *priv) |
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| 300 | +{ |
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| 301 | + return -EOPNOTSUPP; |
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| 302 | +} |
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| 303 | +#endif /* CONFIG_STMMAC_SELFTESTS */ |
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249 | 304 | |
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250 | 305 | #endif /* __STMMAC_H__ */ |
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