Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / ethernet / atheros / alx / alx.h

diff --git a/kernel/drivers/net/ethernet/atheros/alx/alx.h b/kernel/drivers/net/ethernet/atheros/alx/alx.h
new file mode 100644 (file)
index 0000000..8fc93c5
--- /dev/null
+++ b/kernel/drivers/net/ethernet/atheros/alx/alx.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2013 Johannes Berg <johannes@sipsolutions.net>
+ *
+ *  This file is free software: you may copy, redistribute and/or modify it
+ *  under the terms of the GNU General Public License as published by the
+ *  Free Software Foundation, either version 2 of the License, or (at your
+ *  option) any later version.
+ *
+ *  This file is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2012 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _ALX_H_
+#define _ALX_H_
+
+#include <linux/types.h>
+#include <linux/etherdevice.h>
+#include <linux/dma-mapping.h>
+#include <linux/spinlock.h>
+#include "hw.h"
+
+#define ALX_WATCHDOG_TIME   (5 * HZ)
+
+struct alx_buffer {
+       struct sk_buff *skb;
+       DEFINE_DMA_UNMAP_ADDR(dma);
+       DEFINE_DMA_UNMAP_LEN(size);
+};
+
+struct alx_rx_queue {
+       struct alx_rrd *rrd;
+       dma_addr_t rrd_dma;
+
+       struct alx_rfd *rfd;
+       dma_addr_t rfd_dma;
+
+       struct alx_buffer *bufs;
+
+       u16 write_idx, read_idx;
+       u16 rrd_read_idx;
+};
+#define ALX_RX_ALLOC_THRESH    32
+
+struct alx_tx_queue {
+       struct alx_txd *tpd;
+       dma_addr_t tpd_dma;
+       struct alx_buffer *bufs;
+       u16 write_idx, read_idx;
+};
+
+#define ALX_DEFAULT_TX_WORK 128
+
+enum alx_device_quirks {
+       ALX_DEV_QUIRK_MSI_INTX_DISABLE_BUG = BIT(0),
+};
+
+struct alx_priv {
+       struct net_device *dev;
+
+       struct alx_hw hw;
+
+       /* all descriptor memory */
+       struct {
+               dma_addr_t dma;
+               void *virt;
+               unsigned int size;
+       } descmem;
+
+       /* protect int_mask updates */
+       spinlock_t irq_lock;
+       u32 int_mask;
+
+       unsigned int tx_ringsz;
+       unsigned int rx_ringsz;
+       unsigned int rxbuf_size;
+
+       struct napi_struct napi;
+       struct alx_tx_queue txq;
+       struct alx_rx_queue rxq;
+
+       struct work_struct link_check_wk;
+       struct work_struct reset_wk;
+
+       u16 msg_enable;
+
+       bool msi;
+
+       /* protects hw.stats */
+       spinlock_t stats_lock;
+};
+
+extern const struct ethtool_ops alx_ethtool_ops;
+extern const char alx_drv_name[];
+
+#endif