diff options
Diffstat (limited to 'drivers/staging/octeon/octeon-ethernet.h')
| -rw-r--r-- | drivers/staging/octeon/octeon-ethernet.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/staging/octeon/octeon-ethernet.h b/drivers/staging/octeon/octeon-ethernet.h new file mode 100644 index 000000000000..b3199076ef5e --- /dev/null +++ b/drivers/staging/octeon/octeon-ethernet.h @@ -0,0 +1,127 @@ +/********************************************************************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2007 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * or visit http://www.gnu.org/licenses/. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium Networks for more information +**********************************************************************/ + +/* + * External interface for the Cavium Octeon ethernet driver. + */ +#ifndef OCTEON_ETHERNET_H +#define OCTEON_ETHERNET_H + +/** + * This is the definition of the Ethernet driver's private + * driver state stored in netdev_priv(dev). + */ +struct octeon_ethernet { + /* PKO hardware output port */ + int port; + /* PKO hardware queue for the port */ + int queue; + /* Hardware fetch and add to count outstanding tx buffers */ + int fau; + /* + * Type of port. This is one of the enums in + * cvmx_helper_interface_mode_t + */ + int imode; + /* List of outstanding tx buffers per queue */ + struct sk_buff_head tx_free_list[16]; + /* Device statistics */ + struct net_device_stats stats +; /* Generic MII info structure */ + struct mii_if_info mii_info; + /* Last negotiated link state */ + uint64_t link_info; + /* Called periodically to check link status */ + void (*poll) (struct net_device *dev); +}; + +/** + * Free a work queue entry received in a intercept callback. + * + * @work_queue_entry: + * Work queue entry to free + * Returns Zero on success, Negative on failure. + */ +int cvm_oct_free_work(void *work_queue_entry); + +/** + * Transmit a work queue entry out of the ethernet port. Both + * the work queue entry and the packet data can optionally be + * freed. The work will be freed on error as well. + * + * @dev: Device to transmit out. + * @work_queue_entry: + * Work queue entry to send + * @do_free: True if the work queue entry and packet data should be + * freed. If false, neither will be freed. + * @qos: Index into the queues for this port to transmit on. This + * is used to implement QoS if their are multiple queues per + * port. This parameter must be between 0 and the number of + * queues per port minus 1. Values outside of this range will + * be change to zero. + * + * Returns Zero on success, negative on failure. + */ +int cvm_oct_transmit_qos(struct net_device *dev, void *work_queue_entry, + int do_free, int qos); + +/** + * Transmit a work queue entry out of the ethernet port. Both + * the work queue entry and the packet data can optionally be + * freed. The work will be freed on error as well. This simply + * wraps cvmx_oct_transmit_qos() for backwards compatability. + * + * @dev: Device to transmit out. + * @work_queue_entry: + * Work queue entry to send + * @do_free: True if the work queue entry and packet data should be + * freed. If false, neither will be freed. + * + * Returns Zero on success, negative on failure. + */ +static inline int cvm_oct_transmit(struct net_device *dev, + void *work_queue_entry, int do_free) +{ + return cvm_oct_transmit_qos(dev, work_queue_entry, do_free, 0); +} + +extern int cvm_oct_rgmii_init(struct net_device *dev); +extern void cvm_oct_rgmii_uninit(struct net_device *dev); +extern int cvm_oct_sgmii_init(struct net_device *dev); +extern void cvm_oct_sgmii_uninit(struct net_device *dev); +extern int cvm_oct_spi_init(struct net_device *dev); +extern void cvm_oct_spi_uninit(struct net_device *dev); +extern int cvm_oct_xaui_init(struct net_device *dev); +extern void cvm_oct_xaui_uninit(struct net_device *dev); + +extern int always_use_pow; +extern int pow_send_group; +extern int pow_receive_group; +extern char pow_send_list[]; +extern struct net_device *cvm_oct_device[]; + +#endif |