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Diffstat (limited to 'sys/contrib/octeon-sdk/cvmx-gmx.h')
-rw-r--r-- | sys/contrib/octeon-sdk/cvmx-gmx.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/sys/contrib/octeon-sdk/cvmx-gmx.h b/sys/contrib/octeon-sdk/cvmx-gmx.h new file mode 100644 index 0000000..a9e9a81 --- /dev/null +++ b/sys/contrib/octeon-sdk/cvmx-gmx.h @@ -0,0 +1,96 @@ +/***********************license start*************** + * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights + * reserved. + * + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + + * * Neither the name of Cavium Inc. nor the names of + * its contributors may be used to endorse or promote products + * derived from this software without specific prior written + * permission. + + * This Software, including technical data, may be subject to U.S. export control + * laws, including the U.S. Export Administration Act and its associated + * regulations, and may be subject to export or import regulations in other + * countries. + + * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" + * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR + * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO + * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR + * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM + * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, + * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF + * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR + * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR + * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. + ***********************license end**************************************/ + + + + + + + +/** + * @file + * + * Interface to the GMX hardware. + * + * <hr>$Revision: 70030 $<hr> + */ + +#ifndef __CVMX_GMX_H__ +#define __CVMX_GMX_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +/* CSR typedefs have been moved to cvmx-gmx-defs.h */ + +/** + * Disables the sending of flow control (pause) frames on the specified + * RGMII port(s). + * + * @param interface Which interface (0 or 1) + * @param port_mask Mask (4bits) of which ports on the interface to disable + * backpressure on. + * 1 => disable backpressure + * 0 => enable backpressure + * + * @return 0 on success + * -1 on error + */ + +static inline int cvmx_gmx_set_backpressure_override(uint32_t interface, uint32_t port_mask) +{ + cvmx_gmxx_tx_ovr_bp_t gmxx_tx_ovr_bp; + /* Check for valid arguments */ + if (port_mask & ~0xf || interface & ~0x1) + return(-1); + gmxx_tx_ovr_bp.u64 = 0; + gmxx_tx_ovr_bp.s.en = port_mask; /* Per port Enable back pressure override */ + gmxx_tx_ovr_bp.s.ign_full = port_mask; /* Ignore the RX FIFO full when computing BP */ + cvmx_write_csr(CVMX_GMXX_TX_OVR_BP(interface), gmxx_tx_ovr_bp.u64); + return(0); + +} + +#ifdef __cplusplus +} +#endif + +#endif + |