/* Copyright 2008 - 2016 Freescale Semiconductor, Inc.
*
* 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 Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __FSL_BMAN_H
#define __FSL_BMAN_H
/* wrapper for 48-bit buffers */
struct bm_buffer {
union {
struct {
__be16 bpid; /* hi 8-bits reserved */
__be16 hi; /* High 16-bits of 48-bit address */
__be32 lo; /* Low 32-bits of 48-bit address */
};
__be64 data;
};
} __aligned(8);
/*
* Restore the 48 bit address previously stored in BMan
* hardware pools as a dma_addr_t
*/
static inline dma_addr_t bm_buf_addr(const struct bm_buffer *buf)
{
return be64_to_cpu(buf->data) & 0xffffffffffffLLU;
}
static inline u64 bm_buffer_get64(const struct bm_buffer *buf)
{
return be64_to_cpu(buf->data) & 0xffffffffffffLLU;
}
static inline void bm_buffer_set64(struct bm_buffer *buf, u64 addr)
{
buf->hi = cpu_to_be16(upper_32_bits(addr));
buf->lo = cpu_to_be32(lower_32_bits(addr));
}
static inline u8 bm_buffer_get_bpid(const struct bm_buffer *buf)
{
return be16_to_cpu(buf->bpid) & 0xff;
}
static inline void bm_buffer_set_bpid(struct bm_buffer *buf, int bpid)
{
buf->bpid = cpu_to_be16(bpid & 0xff);
}
/* Managed portal, high-level i/face */
/* Portal and Buffer Pools */
struct bman_portal;
struct bman_pool;
#define BM_POOL_MAX 64 /* max # of buffer pools */
/**
* bman_new_pool - Allocates a Buffer Pool object
*
* Creates a pool object, and returns a reference to it or NULL on error.
*/
struct bman_pool *bman_new_pool(void);
/**
* bman_free_pool - Deallocates a Buffer Pool object
* @pool: the pool object to release
*/
void bman_free_pool(struct bman_pool *pool);
/**
* bman_get_bpid - Returns a pool object's BPID.
* @pool: the pool object
*
* The returned value is the index of the encapsulated buffer pool,
* in the range of [0, @BM_POOL_MAX-1].
*/
int bman_get_bpid(const struct bman_pool *pool);
/**
* bman_release - Release buffer(s) to the buffer pool
* @pool: the buffer pool object to release to
* @bufs: an array of buffers to release
* @num: the number of buffers in @bufs (1-8)
*
* Adds the given buffers to RCR entries. If the RCR ring is unresponsive,
* the function will return -ETIMEDOUT. Otherwise, it returns zero.
*/
int bman_release(struct bman_pool *pool, const struct bm_buffer *bufs, u8 num);
/**
* bman_acquire - Acquire buffer(s) from a buffer pool
* @pool: the buffer pool object to acquire from
* @bufs: array for storing the acquired buffers
* @num: the number of buffers desired (@bufs is at least this big)
*
* Issues an "Acquire" command via the portal's management command interface.
* The return value will be the number of buffers obtained from the pool, or a
* negative error code if a h/w error or pool starvation was encountered. In
* the latter case, the content of @bufs is undefined.
*/
int bman_acquire(struct bman_pool *pool, struct bm_buffer *bufs, u8 num);
#endif /* __FSL_BMAN_H */
f='/cgit.cgi/linux/net-next.git/commit/net?h=nds-private-remove&id=eb13da1a103a808c05267816fa4d30d603bfda5e'>net: Fix checkpatch block comments warnings| tcharding | 1 | -32/+33 |
| 2017-02-10 | net: Fix checkpatch whitespace errors | tcharding | 1 | -19/+20 |
| 2017-02-10 | net: Fix checkpatch WARNING: please, no space before tabs | tcharding | 1 | -71/+71 |
| 2017-02-10 | net/act_pedit: Introduce 'add' operation | Amir Vadai | 1 | -4/+26 |
| 2017-02-10 | net/act_pedit: Support using offset relative to the conventional network headers | Amir Vadai | 1 | -16/+180 |
| 2017-02-10 | switchdev: bridge: Offload mc router ports | Nogah Frankel | 1 | -0/+15 |
| 2017-02-10 | bridge: mcast: Merge the mc router ports deletions to one function | Nogah Frankel | 1 | -15/+9 |
| 2017-02-10 | switchdev: bridge: Offload multicast disabled | Nogah Frankel | 1 | -0/+16 |
| 2017-02-10 | sched: check negative err value to safe one level of indent | Jiri Pirko | 1 | -13/+9 |
| 2017-02-10 | sched: add missing curly braces in else branch in tc_ctl_tfilter | Jiri Pirko | 1 | -1/+2 |
| 2017-02-10 | sched: move err set right before goto errout in tc_ctl_tfilter | Jiri Pirko | 1 | -10/+19 |
| 2017-02-10 | sched: push TC filter protocol creation into a separate function | Jiri Pirko | 1 | -51/+59 |
| 2017-02-10 | sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api | Jiri Pirko | 13 | -24/+32 |
| 2017-02-10 | sched: rename tcf_destroy to tcf_destroy_proto | Jiri Pirko | 2 | -6/+6 |
| 2017-02-10 | ipv4: fib: Add events for FIB replace and append | Ido Schimmel | 1 | -13/+14 |
| 2017-02-10 | ipv4: fib: Send notification before deleting FIB alias | Ido Schimmel | 1 | -7/+7 |
| 2017-02-10 | ipv4: fib: Send deletion notification with actual FIB alias type | Ido Schimmel | 1 | -2/+2 |
| 2017-02-10 | ipv4: fib: Only flush FIB aliases belonging to currently flushed table | Ido Schimmel | 1 | -1/+2 |
| 2017-02-09 | openvswitch: Pack struct sw_flow_key. | Jarno Rajahalme | 4 | -34/+39 |
| 2017-02-09 | openvswitch: Add force commit. | Jarno Rajahalme | 1 | -2/+24 |
| 2017-02-09 | openvswitch: Add original direction conntrack tuple to sw_flow_key. | Jarno Rajahalme | 7 | -46/+227 |
| 2017-02-09 | openvswitch: Inherit master's labels. | Jarno Rajahalme | 1 | -14/+31 |
| 2017-02-09 | openvswitch: Refactor labels initialization. | Jarno Rajahalme | 1 | -42/+62 |
| 2017-02-09 | openvswitch: Simplify labels length logic. | Jarno Rajahalme | 1 | -11/+9 |
| 2017-02-09 | openvswitch: Unionize ovs_key_ct_label with a u32 array. | Jarno Rajahalme | 1 | -7/+8 |
| 2017-02-09 | openvswitch: Do not trigger events for unconfirmed connections. | Jarno Rajahalme | 1 | -6/+22 |
| 2017-02-09 | openvswitch: Use inverted tuple in ovs_ct_find_existing() if NATted. | Jarno Rajahalme | 1 | -2/+22 |
| 2017-02-09 | openvswitch: Fix comments for skb->_nfct | Jarno Rajahalme | 1 | -7/+7 |
| 2017-02-09 | net: dsa: Fix duplicate object rule | Florian Fainelli | 1 | -1/+0 |
| 2017-02-09 | sctp: implement sender-side procedures for Add Incoming/Outgoing Streams Requ... | Xin Long | 2 | -0/+106 |
| 2017-02-09 | sctp: add support for generating stream reconf add incoming/outgoing streams ... | Xin Long | 1 | -0/+46 |
| 2017-02-09 | sctp: implement sender-side procedures for SSN/TSN Reset Request Parameter | Xin Long | 2 | -0/+69 |
| 2017-02-09 | sctp: add support for generating stream reconf ssn/tsn reset request chunk | Xin Long | 1 | -0/+29 |
| 2017-02-09 | sctp: streams should be recovered when it fails to send request. | Xin Long | 1 | -2/+17 |
| 2017-02-08 | ipv4: fib: Notify about nexthop status changes | Ido Schimmel | 1 | -0/+33 |
| 2017-02-08 | bridge: vlan tunnel id info range fill size calc cleanups | Roopa Prabhu | 1 | -18/+16 |
| 2017-02-08 | gro_cells: move to net/core/gro_cells.c | Eric Dumazet | 6 | -0/+100 |
| 2017-02-07 | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net | David S. Miller |