blob: ff6482fa20d69dc761dff882f797a51dbe2e34ba (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* This file is based on code from OCTEON SDK by Cavium Networks.
*
* Copyright (c) 2003-2007 Cavium Networks
*/
void cvm_oct_poll_controller(struct net_device *dev);
void cvm_oct_rx_initialize(void);
void cvm_oct_rx_shutdown(void);
static inline void cvm_oct_rx_refill_pool(int fill_threshold)
{
int number_to_free;
int num_freed;
/* Refill the packet buffer pool */
number_to_free =
cvmx_fau_fetch_and_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);
if (number_to_free > fill_threshold) {
cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
-number_to_free);
num_freed = cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL,
CVMX_FPA_PACKET_POOL_SIZE,
number_to_free);
if (num_freed != number_to_free) {
cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
number_to_free - num_freed);
}
}
}
|
