stmmac: add CHAINED descriptor mode support (V4)
[deliverable/linux.git] / drivers / net / ethernet / stmicro / stmmac / stmmac.h
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1/*******************************************************************************
2 Copyright (C) 2007-2009 STMicroelectronics Ltd
3
4 This program is free software; you can redistribute it and/or modify it
5 under the terms and conditions of the GNU General Public License,
6 version 2, as published by the Free Software Foundation.
7
8 This program is distributed in the hope it will be useful, but WITHOUT
9 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 more details.
12
13 You should have received a copy of the GNU General Public License along with
14 this program; if not, write to the Free Software Foundation, Inc.,
15 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
16
17 The full GNU General Public License is included in this distribution in
18 the file called "COPYING".
19
20 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
21*******************************************************************************/
22
51e3137b 23#define DRV_MODULE_VERSION "Oct_2011"
ee7946a7 24#include <linux/stmmac.h>
286a8372 25#include <linux/phy.h>
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26#include "common.h"
27#ifdef CONFIG_STMMAC_TIMER
28#include "stmmac_timer.h"
29#endif
30
31struct stmmac_priv {
32 /* Frequently used values are kept adjacent for cache effect */
33 struct dma_desc *dma_tx ____cacheline_aligned;
34 dma_addr_t dma_tx_phy;
35 struct sk_buff **tx_skbuff;
36 unsigned int cur_tx;
37 unsigned int dirty_tx;
38 unsigned int dma_tx_size;
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39 int tx_coalesce;
40
41 struct dma_desc *dma_rx ;
42 unsigned int cur_rx;
43 unsigned int dirty_rx;
44 struct sk_buff **rx_skbuff;
45 dma_addr_t *rx_skbuff_dma;
46 struct sk_buff_head rx_recycle;
47
48 struct net_device *dev;
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49 dma_addr_t dma_rx_phy;
50 unsigned int dma_rx_size;
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51 unsigned int dma_buf_sz;
52 struct device *device;
db98a0b0 53 struct mac_device_info *hw;
ad01b7d4 54 void __iomem *ioaddr;
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55
56 struct stmmac_extra_stats xstats;
57 struct napi_struct napi;
58
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59 int rx_coe;
60 int no_csum_insertion;
47dd7a54 61
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62 struct phy_device *phydev;
63 int oldlink;
64 int speed;
65 int oldduplex;
66 unsigned int flow_ctrl;
67 unsigned int pause;
68 struct mii_bus *mii;
36bcfe7d 69 int mii_irq[PHY_MAX_ADDR];
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70
71 u32 msg_enable;
72 spinlock_t lock;
a9097a96 73 spinlock_t tx_lock;
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74 int wolopts;
75 int wolenabled;
3172d3af 76 int wol_irq;
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77#ifdef CONFIG_STMMAC_TIMER
78 struct stmmac_timer *tm;
47dd7a54 79#endif
9dfeb4d9 80 struct plat_stmmacenet_data *plat;
1c901a46 81 struct stmmac_counters mmc;
e7434821 82 struct dma_features dma_cap;
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83};
84
85extern int stmmac_mdio_unregister(struct net_device *ndev);
86extern int stmmac_mdio_register(struct net_device *ndev);
87extern void stmmac_set_ethtool_ops(struct net_device *netdev);
cadb7924 88extern const struct stmmac_desc_ops enh_desc_ops;
89extern const struct stmmac_desc_ops ndesc_ops;
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