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https://github.com/lwip-tcpip/lwip.git
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PPP, PPPoS, TCPIP: add packet input path for point to point interfaces (only PPPoS for now) through the TCPIP API
!NO_SYS users may now use as well the TCPIP API for PPPoS input data, this way they can disable PPP_INPROC_MULTITHREADED and run pppos_input() inside the lwIP thread, which fixes, at least for them, all the threading issues related to PPP_INPROC_MULTITHREADED.
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@ -114,6 +114,13 @@ tcpip_thread(void *arg)
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ethernet_input(msg->msg.inp.p, msg->msg.inp.netif);
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} else
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#endif /* LWIP_ETHERNET */
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#if PPPOS_SUPPORT
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/* FIXME: can be generalized to all point to point interfaces */
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if ((msg->msg.inp.netif->flags & NETIF_FLAG_BROADCAST) == 0
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&& msg->msg.inp.netif->input) {
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msg->msg.inp.netif->input(msg->msg.inp.p, msg->msg.inp.netif);
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} else
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#endif /* PPPOS_SUPPORT */
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#if LWIP_IPV6
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if (((*(u8_t*)(msg->msg.inp.p->payload)) & 0xf0) == 0x60) {
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ip6_input(msg->msg.inp.p, msg->msg.inp.netif);
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@ -68,6 +68,9 @@ static err_t pppos_netif_input(ppp_pcb *ppp, void *ctx, struct pbuf *p, u16_t pr
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#endif /* VJ_SUPPORT */
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/* Prototypes for procedures local to this file. */
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#if !NO_SYS
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static err_t pppos_input_sys(struct pbuf *p, struct netif *inp);
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#endif /* !NO_SYS */
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#if PPP_INPROC_MULTITHREADED
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static void pppos_input_callback(void *arg);
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#endif /* PPP_INPROC_MULTITHREADED */
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@ -200,6 +203,9 @@ ppp_pcb *pppos_create(struct netif *pppif, sio_fd_t fd,
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pppos->ppp = ppp;
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pppos->fd = fd;
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#if !NO_SYS
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ppp->netif->input = pppos_input_sys;
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#endif /* !NO_SYS */
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ppp_link_set_callbacks(ppp, &pppos_callbacks, pppos);
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return ppp;
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}
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@ -521,6 +527,19 @@ pppos_destroy(ppp_pcb *ppp, void *ctx)
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return ERR_OK;
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}
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#if !NO_SYS
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static err_t pppos_input_sys(struct pbuf *p, struct netif *inp) {
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ppp_pcb *ppp = (ppp_pcb*)inp->state;
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struct pbuf *n;
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for (n = p; n; n = n->next) {
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pppos_input(ppp, (u8_t*)n->payload, n->len);
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}
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pbuf_free(p);
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return ERR_OK;
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}
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#endif /* !NO_SYS */
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/** PPPoS input helper struct, must be packed since it is stored
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* to pbuf->payload, which might be unaligned. */
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#if PPP_INPROC_MULTITHREADED
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