diff options
author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/staging/octeon/ethernet-util.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/staging/octeon/ethernet-util.h')
-rw-r--r-- | kernel/drivers/staging/octeon/ethernet-util.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/kernel/drivers/staging/octeon/ethernet-util.h b/kernel/drivers/staging/octeon/ethernet-util.h new file mode 100644 index 000000000..0f9b4a18f --- /dev/null +++ b/kernel/drivers/staging/octeon/ethernet-util.h @@ -0,0 +1,70 @@ +/********************************************************************** + * 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 +*********************************************************************/ + +/** + * cvm_oct_get_buffer_ptr - convert packet data address to pointer + * @packet_ptr: Packet data hardware address + * + * Returns Packet buffer pointer + */ +static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr) +{ + return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back) + << 7); +} + +/** + * INTERFACE - convert IPD port to logical interface + * @ipd_port: Port to check + * + * Returns Logical interface + */ +static inline int INTERFACE(int ipd_port) +{ + if (ipd_port < 32) /* Interface 0 or 1 for RGMII,GMII,SPI, etc */ + return ipd_port >> 4; + else if (ipd_port < 36) /* Interface 2 for NPI */ + return 2; + else if (ipd_port < 40) /* Interface 3 for loopback */ + return 3; + else if (ipd_port == 40) /* Non existent interface for POW0 */ + return 4; + panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port); +} + +/** + * INDEX - convert IPD/PKO port number to the port's interface index + * @ipd_port: Port to check + * + * Returns Index into interface port list + */ +static inline int INDEX(int ipd_port) +{ + if (ipd_port < 32) + return ipd_port & 15; + return ipd_port & 3; +} |