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/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef STACKX_PBUF_H
#define STACKX_PBUF_H
#include "common_mem_base_type.h"
#include "common_mem_mbuf.h"
#include "nsfw_mem_api.h"
#include "stackx_pbuf_comm.h"
#ifdef HAL_LIB
#else
#include "common_pal_bitwide_adjust.h"
#endif
#ifdef __cplusplus
/* *INDENT-OFF* */
extern "C" {
/* *INDENT-ON* */
#endif
#define NEED_ACK_FLAG 0x01 /* This spl_pbuf may have multiple references. */
#define PBUF_FREE_FLAG 0x04 /* This spl_pbuf has been free. */
#define DPDK_SEND_FLAG 0x10 /* This spl_pbuf has been sent to DPDK. */
#define LOOP_SEND_FLAG 0x40 /* This spl_pbuf has been looped to IP layer and not received by app layer yet. */
struct spl_pbuf *sbr_malloc_pbuf(mpool_handle mp, u16 len,
u32 mbuf_data_size, u16 offset);
void sbr_free_pbuf(struct spl_pbuf *p);
u32 spl_pbuf_copy_partial(struct spl_pbuf *p, void *dataptr, u32_t len,
u32_t offset);
int spl_reg_res_txrx_mgr(mpool_handle * pool);
int spl_reg_res_tx_mgr(mpool_handle * pool);
/* release buf hold by app on abnormal exit */
/*
*For TX mbuf: recycle_flg can be: MBUF_UNUSED, MBUF_HLD_BY_APP, MBUF_HLD_BY_SPL.
*For TX mbuf: recycle_flg can be: MBUF_UNSUED, app pid.
*/
static inline void pbuf_set_recycle_flg(struct spl_pbuf *p, uint32_t flg)
{
uint32_t *recycle_flg;
struct spl_pbuf *q = p;
struct common_mem_mbuf *m;
while (q != NULL)
{
m = (struct common_mem_mbuf *) ((char *) q -
sizeof(struct common_mem_mbuf));
#ifdef HAL_LIB
#else
recycle_flg =
(uint32_t *) ((char *) (m->buf_addr) + RTE_PKTMBUF_HEADROOM -
sizeof(uint32_t));
#endif
*recycle_flg = flg;
q = (struct spl_pbuf *) ADDR_SHTOL(q->next_a);
}
}
#ifdef __cplusplus
/* *INDENT-OFF* */
}
/* *INDENT-ON* */
#endif
#endif
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