view rvinterf/lowlevel/pktfwd.c @ 416:30f6d1c32c6f

doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents e7502631a0f9
children
line wrap: on
line source

/*
 * This rvinterf module handles the forwarding of target->host packets
 * to clients connected via the local socket interface.
 */

#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include <unistd.h>
#include "../include/pktmux.h"
#include "../include/localsock.h"
#include "client.h"

extern u_char rxpkt[];
extern size_t rxpkt_len;

extern struct client *client_head;

forward_pkt_to_client(cli)
	struct client *cli;
{
	int len1;
	u_char hdr[3];

	len1 = rxpkt_len + 1;
	hdr[0] = len1 >> 8;
	hdr[1] = len1 & 0xFF;
	hdr[2] = RVI2CLI_PKT_FROM_TARGET;
	write(cli->fd, hdr, 3);
	write(cli->fd, rxpkt, rxpkt_len);
}

forward_rv_trace()
{
	u32 useid;
	struct client *cli;
	int i, match;

	useid = rxpkt[1] << 24 | rxpkt[2] << 16 | rxpkt[3] << 8 | rxpkt[4];
	for (cli = client_head; cli; cli = cli->next) {
		match = 0;
		for (i = 0; i < cli->int_rvt_count; i++)
			if ((useid & cli->int_rvt_mask[i]) ==
			    cli->int_rvt_match[i]) {
				match = 1;
				break;
			}
		if (match)
			forward_pkt_to_client(cli);
	}
}

forward_nonrvt_pkt()
{
	struct client *cli;

	for (cli = client_head; cli; cli = cli->next)
		if (cli->int_proto[rxpkt[0] - 0x12])
			forward_pkt_to_client(cli);
}