1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (c) 2013 Johannes Berg <johannes@sipsolutions.net> 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * This file is free software: you may copy, redistribute and/or modify it 5*4882a593Smuzhiyun * under the terms of the GNU General Public License as published by the 6*4882a593Smuzhiyun * Free Software Foundation, either version 2 of the License, or (at your 7*4882a593Smuzhiyun * option) any later version. 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * This file is distributed in the hope that it will be useful, but 10*4882a593Smuzhiyun * WITHOUT ANY WARRANTY; without even the implied warranty of 11*4882a593Smuzhiyun * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12*4882a593Smuzhiyun * General Public License for more details. 13*4882a593Smuzhiyun * 14*4882a593Smuzhiyun * You should have received a copy of the GNU General Public License 15*4882a593Smuzhiyun * along with this program. If not, see <http://www.gnu.org/licenses/>. 16*4882a593Smuzhiyun * 17*4882a593Smuzhiyun * This file incorporates work covered by the following copyright and 18*4882a593Smuzhiyun * permission notice: 19*4882a593Smuzhiyun * 20*4882a593Smuzhiyun * Copyright (c) 2012 Qualcomm Atheros, Inc. 21*4882a593Smuzhiyun * 22*4882a593Smuzhiyun * Permission to use, copy, modify, and/or distribute this software for any 23*4882a593Smuzhiyun * purpose with or without fee is hereby granted, provided that the above 24*4882a593Smuzhiyun * copyright notice and this permission notice appear in all copies. 25*4882a593Smuzhiyun * 26*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 27*4882a593Smuzhiyun * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 28*4882a593Smuzhiyun * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 29*4882a593Smuzhiyun * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 30*4882a593Smuzhiyun * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 31*4882a593Smuzhiyun * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 32*4882a593Smuzhiyun * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 33*4882a593Smuzhiyun */ 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #ifndef _ALX_H_ 36*4882a593Smuzhiyun #define _ALX_H_ 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #include <linux/types.h> 39*4882a593Smuzhiyun #include <linux/etherdevice.h> 40*4882a593Smuzhiyun #include <linux/dma-mapping.h> 41*4882a593Smuzhiyun #include <linux/spinlock.h> 42*4882a593Smuzhiyun #include "hw.h" 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #define ALX_WATCHDOG_TIME (5 * HZ) 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun struct alx_buffer { 47*4882a593Smuzhiyun struct sk_buff *skb; 48*4882a593Smuzhiyun DEFINE_DMA_UNMAP_ADDR(dma); 49*4882a593Smuzhiyun DEFINE_DMA_UNMAP_LEN(size); 50*4882a593Smuzhiyun }; 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun struct alx_rx_queue { 53*4882a593Smuzhiyun struct net_device *netdev; 54*4882a593Smuzhiyun struct device *dev; 55*4882a593Smuzhiyun struct alx_napi *np; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun struct alx_rrd *rrd; 58*4882a593Smuzhiyun dma_addr_t rrd_dma; 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun struct alx_rfd *rfd; 61*4882a593Smuzhiyun dma_addr_t rfd_dma; 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun struct alx_buffer *bufs; 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun u16 count; 66*4882a593Smuzhiyun u16 write_idx, read_idx; 67*4882a593Smuzhiyun u16 rrd_read_idx; 68*4882a593Smuzhiyun u16 queue_idx; 69*4882a593Smuzhiyun }; 70*4882a593Smuzhiyun #define ALX_RX_ALLOC_THRESH 32 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun struct alx_tx_queue { 73*4882a593Smuzhiyun struct net_device *netdev; 74*4882a593Smuzhiyun struct device *dev; 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun struct alx_txd *tpd; 77*4882a593Smuzhiyun dma_addr_t tpd_dma; 78*4882a593Smuzhiyun 79*4882a593Smuzhiyun struct alx_buffer *bufs; 80*4882a593Smuzhiyun 81*4882a593Smuzhiyun u16 count; 82*4882a593Smuzhiyun u16 write_idx, read_idx; 83*4882a593Smuzhiyun u16 queue_idx; 84*4882a593Smuzhiyun u16 p_reg, c_reg; 85*4882a593Smuzhiyun }; 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun #define ALX_DEFAULT_TX_WORK 128 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun enum alx_device_quirks { 90*4882a593Smuzhiyun ALX_DEV_QUIRK_MSI_INTX_DISABLE_BUG = BIT(0), 91*4882a593Smuzhiyun }; 92*4882a593Smuzhiyun 93*4882a593Smuzhiyun struct alx_napi { 94*4882a593Smuzhiyun struct napi_struct napi; 95*4882a593Smuzhiyun struct alx_priv *alx; 96*4882a593Smuzhiyun struct alx_rx_queue *rxq; 97*4882a593Smuzhiyun struct alx_tx_queue *txq; 98*4882a593Smuzhiyun int vec_idx; 99*4882a593Smuzhiyun u32 vec_mask; 100*4882a593Smuzhiyun char irq_lbl[IFNAMSIZ + 8]; 101*4882a593Smuzhiyun }; 102*4882a593Smuzhiyun 103*4882a593Smuzhiyun #define ALX_MAX_NAPIS 8 104*4882a593Smuzhiyun 105*4882a593Smuzhiyun struct alx_priv { 106*4882a593Smuzhiyun struct net_device *dev; 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun struct alx_hw hw; 109*4882a593Smuzhiyun 110*4882a593Smuzhiyun /* msi-x vectors */ 111*4882a593Smuzhiyun int num_vec; 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun /* all descriptor memory */ 114*4882a593Smuzhiyun struct { 115*4882a593Smuzhiyun dma_addr_t dma; 116*4882a593Smuzhiyun void *virt; 117*4882a593Smuzhiyun unsigned int size; 118*4882a593Smuzhiyun } descmem; 119*4882a593Smuzhiyun 120*4882a593Smuzhiyun struct alx_napi *qnapi[ALX_MAX_NAPIS]; 121*4882a593Smuzhiyun int num_txq; 122*4882a593Smuzhiyun int num_rxq; 123*4882a593Smuzhiyun int num_napi; 124*4882a593Smuzhiyun 125*4882a593Smuzhiyun /* protect int_mask updates */ 126*4882a593Smuzhiyun spinlock_t irq_lock; 127*4882a593Smuzhiyun u32 int_mask; 128*4882a593Smuzhiyun 129*4882a593Smuzhiyun unsigned int tx_ringsz; 130*4882a593Smuzhiyun unsigned int rx_ringsz; 131*4882a593Smuzhiyun unsigned int rxbuf_size; 132*4882a593Smuzhiyun 133*4882a593Smuzhiyun struct work_struct link_check_wk; 134*4882a593Smuzhiyun struct work_struct reset_wk; 135*4882a593Smuzhiyun 136*4882a593Smuzhiyun u16 msg_enable; 137*4882a593Smuzhiyun 138*4882a593Smuzhiyun /* protects hw.stats */ 139*4882a593Smuzhiyun spinlock_t stats_lock; 140*4882a593Smuzhiyun }; 141*4882a593Smuzhiyun 142*4882a593Smuzhiyun extern const struct ethtool_ops alx_ethtool_ops; 143*4882a593Smuzhiyun 144*4882a593Smuzhiyun #endif 145