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10a5fcf99e
PPP netif: Used allocated packet buffers of exact size for input to TCP/IP stack to consume less memory in download mode (compared to the previously used fixed sized packet buffers)
29 lines
715 B
C
29 lines
715 B
C
/*
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* SPDX-FileCopyrightText: 2001-2004 Swedish Institute of Computer Science
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* SPDX-FileContributor: 2023 Espressif Systems (Shanghai) CO LTD
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*/
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#include "pppif.h"
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#include "lwip/tcpip.h"
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/*
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* Similar to pppos_input_tcpip() from lwip's ppp netif, but instead
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* of PBUF_POOL, we use PBUF_RAM type of the pbuf we pass to the stack
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*/
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err_t pppos_input_tcpip_as_ram_pbuf(ppp_pcb *ppp, u8_t *s, int l)
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{
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struct pbuf *p = pbuf_alloc(PBUF_RAW, l, PBUF_RAM);
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if (!p) {
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return ERR_MEM;
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}
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pbuf_take(p, s, l);
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err_t err = tcpip_inpkt(p, ppp_netif(ppp), pppos_input_sys);
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if (err != ERR_OK) {
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pbuf_free(p);
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}
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return err;
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}
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