219d14fe5f
Executive is a library that can be used by standalone applications and kernels to abstract access to Octeon SoC and board-specific hardware and facilities. The FreeBSD port to Octeon will be updated to use this where possible.
95 lines
3.0 KiB
C
95 lines
3.0 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2008 Cavium Networks (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* * Neither the name of Cavium Networks nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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*
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS
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* OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
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* RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
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* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
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* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
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* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
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* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET
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* POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT
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* OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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*
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*
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* For any questions regarding licensing please contact marketing@caviumnetworks.com
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*
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***********************license end**************************************/
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/**
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* @file
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*
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* Interface to the GMX hardware.
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*
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* <hr>$Revision: 41586 $<hr>
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*/
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#ifndef __CVMX_GMX_H__
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#define __CVMX_GMX_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* CSR typedefs have been moved to cvmx-csr-*.h */
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/**
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* Disables the sending of flow control (pause) frames on the specified
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* RGMII port(s).
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*
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* @param interface Which interface (0 or 1)
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* @param port_mask Mask (4bits) of which ports on the interface to disable
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* backpressure on.
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* 1 => disable backpressure
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* 0 => enable backpressure
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*
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* @return 0 on success
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* -1 on error
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*/
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static inline int cvmx_gmx_set_backpressure_override(uint32_t interface, uint32_t port_mask)
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{
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cvmx_gmxx_tx_ovr_bp_t gmxx_tx_ovr_bp;
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/* Check for valid arguments */
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if (port_mask & ~0xf || interface & ~0x1)
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return(-1);
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gmxx_tx_ovr_bp.u64 = 0;
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gmxx_tx_ovr_bp.s.en = port_mask; /* Per port Enable back pressure override */
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gmxx_tx_ovr_bp.s.ign_full = port_mask; /* Ignore the RX FIFO full when computing BP */
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cvmx_write_csr(CVMX_GMXX_TX_OVR_BP(interface), gmxx_tx_ovr_bp.u64);
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return(0);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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