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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.
*/
#include "stackx_spl_share.h"
#include "stackx_pbuf.h"
#include "common_mem_mbuf.h"
#include "nstack_securec.h"
#include "nsfw_maintain_api.h"
#include "stackx_tcp_opt.h"
#ifdef HAL_LIB
#else
#include "rte_memcpy.h"
#endif
#include "nsfw_shmem_mng.h"
/*****************************************************************************
* Prototype : sbr_malloc_pbuf
* Description : malloc spl_pbuf,use it in app
* Input : mpool_handle mp
* u16 len
* u32 mbuf_data_size
* u16 offset
* Output : None
* Return Value : struct pbuf*
* Calls :
* Called By :
*
*****************************************************************************/
struct spl_pbuf *sbr_malloc_pbuf(mpool_handle mp, u16 len, u32 mbuf_data_size,
u16 offset)
{
if ((len < offset) || (len > mbuf_data_size))
{
NSSBR_LOGERR("len is invalid]len=%u", len);
return NULL;
}
struct common_mem_mbuf *mbuf = NULL;
struct spl_pbuf *buf = NULL;
mbuf = nsfw_shmem_mbfalloc(mp);
if (unlikely(mbuf == NULL))
{
NS_LOG_CTRL(LOG_CTRL_HUGEPAGE_ALLOC_FAIL, LOGSBR, "NSSBR", NSLOG_WAR,
"alloc mbuf failed");
return NULL;
}
mbuf->data_len = len;
mbuf->next = NULL;
mbuf->nb_segs = 1;
mbuf->pkt_len = len;
buf =
(struct spl_pbuf *) ((char *) mbuf + sizeof(struct common_mem_mbuf));
res_alloc(&buf->res_chk);
buf->next = 0;
void *tmp = common_pktmbuf_mtod(mbuf, void *);
buf->payload = (void *) (ADDR_LTOSH(tmp) + offset);
buf->tot_len = len - offset;
buf->len = len - offset;
buf->type = SPL_PBUF_HUGE;
buf->flags = 0;
buf->freeNext = NULL;
buf->conn_a = 0;
buf->proto_type = SPL_PBUF_PROTO_NONE;
NSSBR_LOGDBG("malloc pbuf ok]buf=%p,PRIMARY_ADDR=%p", buf,
ADDR_LTOSH(buf));
return buf;
}
u32_t
spl_pbuf_copy_partial(struct spl_pbuf * buf, void *dataptr, u32_t len,
u32_t offset)
{
struct spl_pbuf *p = buf;
u32_t buf_copy_len;
u32_t copied_total = 0;
char *databuf = (char *) dataptr;
/* Note some systems use byte copy if dataptr or one of the pbuf payload pointers are unaligned. */
for (p = buf; len != 0 && p != NULL;
p = PTR_SHTOL(struct spl_pbuf *, p->next_a))
{
if (offset != 0 && offset >= p->len)
{
/* don't copy from this buffer -> on to the next */
offset -= p->len;
}
else if (p->len - offset > len)
{
/* copy from this buffer. maybe only partially. */
(void) common_memcpy(databuf, ADDR_SHTOL(p->payload_a + offset),
len);
copied_total += len;
break;
}
else
{
buf_copy_len = p->len - offset;
/* copy the necessary parts of the buffer */
(void) common_memcpy(databuf, ADDR_SHTOL(p->payload_a + offset),
buf_copy_len);
copied_total += buf_copy_len;
databuf += buf_copy_len;
len -= buf_copy_len;
offset = 0;
}
}
return copied_total;
}
int spl_tx_force_buf_free(void *data)
{
struct common_mem_mbuf *mbuf = data;
if (NULL == mbuf)
{
return FALSE;
}
struct spl_pbuf *p_buf =
(struct spl_pbuf *) (((char *) mbuf) +
sizeof(struct common_mem_mbuf));
u8 tempflag = p_buf->res_chk.u8Reserve;
if ((mbuf->refcnt == 0) || (tempflag & DPDK_SEND_FLAG))
{
return FALSE;
}
NSFW_LOGINF("free mbuf]%p", data);
(void) nsfw_shmem_mbffree((mbuf_handle) mbuf);
return TRUE;
}
int spl_force_buf_free(void *data)
{
struct common_mem_mbuf *mbuf = data;
if (NULL == mbuf || (mbuf->refcnt == 0))
{
return FALSE;
}
NSFW_LOGINF("free mbuf]%p", data);
(void) nsfw_shmem_mbffree((mbuf_handle) mbuf);
return TRUE;
}
int spl_reg_res_tx_mgr(mpool_handle * pool)
{
struct common_mem_mempool *mp = (struct common_mem_mempool *) pool;
if (NULL == mp)
{
return 0;
}
nsfw_res_scn_cfg scn_cfg = { NSFW_RES_SCAN_MBUF, 60, 3, 16,
mp->size / 128, mp->size,
mp->elt_size,
sizeof(struct common_mem_mbuf) + offsetof(struct spl_pbuf, res_chk),
mp,
mp->pool_data,
spl_tx_force_buf_free
};
(void) nsfw_res_mgr_reg(&scn_cfg);
return 0;
}
int spl_reg_res_rxmt_mgr(mpool_handle * pool)
{
struct common_mem_mempool *mp = (struct common_mem_mempool *) pool;
if (NULL == mp)
{
return 0;
}
nsfw_res_scn_cfg scn_cfg = { NSFW_RES_SCAN_MBUF, 60, 3, 16,
mp->size / 128, mp->size,
mp->elt_size,
sizeof(struct common_mem_mbuf) + offsetof(struct spl_pbuf, res_chk),
mp,
mp->pool_data,
spl_tx_force_buf_free
}; /*Can use same function for time */
(void) nsfw_res_mgr_reg(&scn_cfg);
return 0;
}
int spl_reg_res_txrx_mgr(mpool_handle * pool)
{
struct common_mem_mempool *mp = (struct common_mem_mempool *) pool;
if (NULL == mp)
{
return 0;
}
nsfw_res_scn_cfg scn_cfg = { NSFW_RES_SCAN_MBUF, 60, 3, 16,
mp->size / 128, mp->size,
mp->elt_size,
sizeof(struct common_mem_mbuf) + offsetof(struct spl_pbuf, res_chk),
mp,
mp->pool_data,
spl_force_buf_free
};
(void) nsfw_res_mgr_reg(&scn_cfg);
return 0;
}
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