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https://github.com/lwip-tcpip/lwip.git
synced 2024-10-04 05:39:53 +00:00
PPP, PPPoS, moved ppp.rx to pppos.rx
PPP rx control block moved to PPPoS
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@ -306,37 +306,6 @@ struct ppp_addrs {
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* Extended asyncmap - allows any character to be escaped.
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*/
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typedef u_char ext_accm[32];
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/* PPP packet parser states. Current state indicates operation yet to be
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* completed. */
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typedef enum {
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PDIDLE = 0, /* Idle state - waiting. */
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PDSTART, /* Process start flag. */
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PDADDRESS, /* Process address field. */
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PDCONTROL, /* Process control field. */
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PDPROTOCOL1, /* Process protocol field 1. */
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PDPROTOCOL2, /* Process protocol field 2. */
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PDDATA /* Process data byte. */
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} ppp_dev_states;
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/*
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* PPP interface RX control block.
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*/
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typedef struct ppp_pcb_rx_s {
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/** ppp descriptor */
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ppp_pcb *pcb;
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/** the rx file descriptor */
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sio_fd_t fd;
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/* The input packet. */
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struct pbuf *in_head, *in_tail;
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u16_t in_protocol; /* The input protocol code. */
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u16_t in_fcs; /* Input Frame Check Sequence value. */
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ppp_dev_states in_state; /* The input process state. */
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char in_escaped; /* Escape next character. */
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ext_accm in_accm; /* Async-Ctl-Char-Map for input. */
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} ppp_pcb_rx;
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#endif /* PPPOS_SUPPORT */
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/*
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@ -402,7 +371,6 @@ struct ppp_pcb_s {
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/* FIXME: there is probably one superfluous */
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ext_accm out_accm; /* Async-Ctl-Char-Map for output. */
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ext_accm xmit_accm; /* extended transmit ACCM */
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ppp_pcb_rx rx;
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#endif /* PPPOS_SUPPORT */
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u32_t last_xmit; /* Time of last transmission. */
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@ -43,6 +43,37 @@
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#include "ppp.h"
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#include "vj.h"
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/* PPP packet parser states. Current state indicates operation yet to be
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* completed. */
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typedef enum {
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PDIDLE = 0, /* Idle state - waiting. */
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PDSTART, /* Process start flag. */
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PDADDRESS, /* Process address field. */
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PDCONTROL, /* Process control field. */
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PDPROTOCOL1, /* Process protocol field 1. */
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PDPROTOCOL2, /* Process protocol field 2. */
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PDDATA /* Process data byte. */
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} pppos_rx_state;
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/*
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* PPP interface RX control block.
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*/
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typedef struct ppp_pcb_rx_s {
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/** ppp descriptor */
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ppp_pcb *pcb;
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/** the rx file descriptor */
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sio_fd_t fd;
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/* The input packet. */
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struct pbuf *in_head, *in_tail;
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u16_t in_protocol; /* The input protocol code. */
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u16_t in_fcs; /* Input Frame Check Sequence value. */
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pppos_rx_state in_state; /* The input process state. */
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char in_escaped; /* Escape next character. */
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ext_accm in_accm; /* Async-Ctl-Char-Map for input. */
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} ppp_pcb_rx;
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/*
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* PPPoS interface control block.
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*/
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@ -51,6 +82,7 @@ struct pppos_pcb_s {
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pppos_pcb *next;
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ppp_pcb *ppp; /* PPP PCB */
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sio_fd_t fd; /* File device ID of port. */
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ppp_pcb_rx rx;
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#if VJ_SUPPORT
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struct vjcompress vj_comp; /* Van Jacobson compression header. */
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#endif /* VJ_SUPPORT */
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@ -64,6 +96,7 @@ ppp_pcb *ppp_over_serial_create(struct netif *pppif, sio_fd_t fd,
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void pppos_input(ppp_pcb *ppp, u_char* data, int len);
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void pppos_accm_in_config(pppos_pcb *pppos, u32_t accm);
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sio_fd_t pppos_get_fd(pppos_pcb *pppos);
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void pppos_vjc_config(pppos_pcb *pppos, int vjcomp, int cidcomp, int maxcid);
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int pppos_vjc_comp(pppos_pcb *pppos, struct pbuf *pb);
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@ -931,34 +931,17 @@ int ppp_send_config(ppp_pcb *pcb, int mtu, u32_t accm, int pcomp, int accomp) {
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* the ppp interface.
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*/
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int ppp_recv_config(ppp_pcb *pcb, int mru, u32_t accm, int pcomp, int accomp) {
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#if PPPOS_SUPPORT
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int i;
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SYS_ARCH_DECL_PROTECT(lev);
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#endif /* PPPOS_SUPPORT */
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LWIP_UNUSED_ARG(accomp);
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LWIP_UNUSED_ARG(pcomp);
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LWIP_UNUSED_ARG(mru);
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/* Load the ACCM bits for the 32 control codes. */
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#if PPPOS_SUPPORT
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SYS_ARCH_PROTECT(lev);
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for (i = 0; i < 32 / 8; i++) {
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/* @todo: does this work? ext_accm has been modified from pppd! */
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pcb->rx.in_accm[i] = (u_char)(accm >> (i * 8));
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}
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SYS_ARCH_UNPROTECT(lev);
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#else
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pppos_accm_in_config((pppos_pcb*)pcb->link_ctx_cb, accm);
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#else /* PPPOS_SUPPORT */
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LWIP_UNUSED_ARG(accm);
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#endif /* PPPOS_SUPPORT */
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#if PPPOS_SUPPORT
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PPPDEBUG(LOG_INFO, ("ppp_recv_config[%d]: in_accm=%X %X %X %X\n",
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pcb->num,
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pcb->rx.in_accm[0], pcb->rx.in_accm[1], pcb->rx.in_accm[2], pcb->rx.in_accm[3]));
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#else
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PPPDEBUG(LOG_INFO, ("ppp_recv_config[%d]\n", pcb->num) );
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#endif /* PPPOS_SUPPORT */
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PPPDEBUG(LOG_INFO, ("ppp_recv_config[%d]\n", pcb->num));
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return 0;
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}
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@ -406,12 +406,14 @@ pppos_connect(pppos_pcb *pppos)
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#endif /* !VJ_SUPPORT */
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/* input pbuf left over from last session? */
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pppos_free_current_input_packet(&ppp->rx);
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pppos_free_current_input_packet(&pppos->rx);
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ppp_clear(ppp);
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/* reset PPPoS control block to its initial state */
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memset(&pppos->rx, 0, sizeof(pppos_pcb) - ( (char*)&((pppos_pcb*)0)->rx - (char*)0 ) );
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ppp->rx.pcb = ppp;
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ppp->rx.fd = pppos->fd;
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pppos->rx.pcb = ppp;
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pppos->rx.fd = pppos->fd;
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#if VJ_SUPPORT
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vj_compress_init(&pppos->vj_comp);
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@ -430,7 +432,7 @@ pppos_connect(pppos_pcb *pppos)
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* Default the in and out accm so that escape and flag characters
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* are always escaped.
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*/
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ppp->rx.in_accm[15] = 0x60; /* no need to protect since RX is not running */
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pppos->rx.in_accm[15] = 0x60; /* no need to protect since RX is not running */
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ppp->out_accm[15] = 0x60;
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/*
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@ -454,7 +456,6 @@ pppos_disconnect(pppos_pcb *pppos)
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static err_t
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pppos_destroy(pppos_pcb *pppos)
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{
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ppp_pcb *ppp = pppos->ppp;
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pppos_pcb **copp, *freep;
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/* remove interface from list */
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@ -466,7 +467,7 @@ pppos_destroy(pppos_pcb *pppos)
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}
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/* input pbuf left ? */
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pppos_free_current_input_packet(&ppp->rx);
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pppos_free_current_input_packet(&pppos->rx);
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memp_free(MEMP_PPPOS_PCB, pppos);
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return ERR_OK;
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@ -498,8 +499,8 @@ PACK_STRUCT_END
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void
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pppos_input(ppp_pcb *ppp, u_char *s, int l)
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{
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ppp_pcb_rx *pcrx = &ppp->rx;
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pppos_pcb *pppos = (pppos_pcb *)ppp->link_ctx_cb;
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ppp_pcb_rx *pcrx = &pppos->rx;
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struct pbuf *next_pbuf;
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u_char cur_char;
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u_char escaped;
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@ -743,6 +744,30 @@ drop:
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}
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#endif /* PPP_INPROC_MULTITHREADED */
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void
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pppos_accm_in_config(pppos_pcb *pppos, u32_t accm)
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{
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ppp_pcb *ppp;
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int i;
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SYS_ARCH_DECL_PROTECT(lev);
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if (!pppos_exist(pppos)) {
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return;
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}
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ppp = pppos->ppp;
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/* Load the ACCM bits for the 32 control codes. */
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SYS_ARCH_PROTECT(lev);
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for (i = 0; i < 32 / 8; i++) {
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pppos->rx.in_accm[i] = (u_char)(accm >> (i * 8));
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}
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SYS_ARCH_UNPROTECT(lev);
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PPPDEBUG(LOG_INFO, ("pppos_accm_in_config[%d]: in_accm=%X %X %X %X\n",
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ppp->num,
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pppos->rx.in_accm[0], pppos->rx.in_accm[1], pppos->rx.in_accm[2], pppos->rx.in_accm[3]));
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}
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sio_fd_t
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pppos_get_fd(pppos_pcb *pppos)
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{
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@ -900,7 +925,7 @@ pppos_append(u_char c, struct pbuf *nb, ext_accm *out_accm)
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static void
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pppos_drop(pppos_pcb *pppos)
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{
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ppp_pcb_rx *pcrx = &pppos->ppp->rx;
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ppp_pcb_rx *pcrx = &pppos->rx;
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#if LWIP_SNMP
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ppp_pcb *ppp = pppos->ppp;
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#endif /* LWIP_SNMP || VJ_SUPPORT */
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