![Adrian Bunk](/assets/img/avatar_default.png)
Every file should #include the header files containing the prototypes of it's global functions. In this case this showed that the prototype of irlan_print_filter() was wrong which is also corrected in this patch. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
248 lines
6.4 KiB
C
248 lines
6.4 KiB
C
/*********************************************************************
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*
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* Filename: irlan_filter.c
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* Version:
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* Description:
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* Status: Experimental.
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* Author: Dag Brattli <dagb@cs.uit.no>
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* Created at: Fri Jan 29 11:16:38 1999
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* Modified at: Sat Oct 30 12:58:45 1999
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* Modified by: Dag Brattli <dagb@cs.uit.no>
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*
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* Copyright (c) 1998-1999 Dag Brattli, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* Neither Dag Brattli nor University of Tromsø admit liability nor
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* provide warranty for any of this software. This material is
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* provided "AS-IS" and at no charge.
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*
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********************************************************************/
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#include <linux/skbuff.h>
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#include <linux/random.h>
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#include <linux/seq_file.h>
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#include <net/irda/irlan_common.h>
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#include <net/irda/irlan_filter.h>
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/*
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* Function irlan_filter_request (self, skb)
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*
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* Handle filter request from client peer device
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*
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*/
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void irlan_filter_request(struct irlan_cb *self, struct sk_buff *skb)
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{
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
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if ((self->provider.filter_type == IRLAN_DIRECTED) &&
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(self->provider.filter_operation == DYNAMIC))
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{
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IRDA_DEBUG(0, "Giving peer a dynamic Ethernet address\n");
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self->provider.mac_address[0] = 0x40;
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self->provider.mac_address[1] = 0x00;
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self->provider.mac_address[2] = 0x00;
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self->provider.mac_address[3] = 0x00;
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/* Use arbitration value to generate MAC address */
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if (self->provider.access_type == ACCESS_PEER) {
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self->provider.mac_address[4] =
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self->provider.send_arb_val & 0xff;
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self->provider.mac_address[5] =
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(self->provider.send_arb_val >> 8) & 0xff;
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} else {
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/* Just generate something for now */
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get_random_bytes(self->provider.mac_address+4, 1);
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get_random_bytes(self->provider.mac_address+5, 1);
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}
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skb->data[0] = 0x00; /* Success */
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skb->data[1] = 0x03;
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irlan_insert_string_param(skb, "FILTER_MODE", "NONE");
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irlan_insert_short_param(skb, "MAX_ENTRY", 0x0001);
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irlan_insert_array_param(skb, "FILTER_ENTRY",
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self->provider.mac_address, 6);
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return;
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}
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if ((self->provider.filter_type == IRLAN_DIRECTED) &&
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(self->provider.filter_mode == FILTER))
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{
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IRDA_DEBUG(0, "Directed filter on\n");
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skb->data[0] = 0x00; /* Success */
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skb->data[1] = 0x00;
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return;
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}
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if ((self->provider.filter_type == IRLAN_DIRECTED) &&
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(self->provider.filter_mode == NONE))
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{
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IRDA_DEBUG(0, "Directed filter off\n");
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skb->data[0] = 0x00; /* Success */
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skb->data[1] = 0x00;
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return;
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}
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if ((self->provider.filter_type == IRLAN_BROADCAST) &&
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(self->provider.filter_mode == FILTER))
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{
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IRDA_DEBUG(0, "Broadcast filter on\n");
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skb->data[0] = 0x00; /* Success */
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skb->data[1] = 0x00;
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return;
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}
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if ((self->provider.filter_type == IRLAN_BROADCAST) &&
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(self->provider.filter_mode == NONE))
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{
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IRDA_DEBUG(0, "Broadcast filter off\n");
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skb->data[0] = 0x00; /* Success */
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skb->data[1] = 0x00;
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return;
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}
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if ((self->provider.filter_type == IRLAN_MULTICAST) &&
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(self->provider.filter_mode == FILTER))
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{
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IRDA_DEBUG(0, "Multicast filter on\n");
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skb->data[0] = 0x00; /* Success */
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skb->data[1] = 0x00;
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return;
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}
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if ((self->provider.filter_type == IRLAN_MULTICAST) &&
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(self->provider.filter_mode == NONE))
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{
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IRDA_DEBUG(0, "Multicast filter off\n");
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skb->data[0] = 0x00; /* Success */
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skb->data[1] = 0x00;
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return;
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}
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if ((self->provider.filter_type == IRLAN_MULTICAST) &&
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(self->provider.filter_operation == GET))
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{
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IRDA_DEBUG(0, "Multicast filter get\n");
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skb->data[0] = 0x00; /* Success? */
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skb->data[1] = 0x02;
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irlan_insert_string_param(skb, "FILTER_MODE", "NONE");
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irlan_insert_short_param(skb, "MAX_ENTRY", 16);
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return;
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}
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skb->data[0] = 0x00; /* Command not supported */
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skb->data[1] = 0x00;
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IRDA_DEBUG(0, "Not implemented!\n");
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}
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/*
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* Function check_request_param (self, param, value)
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*
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* Check parameters in request from peer device
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*
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*/
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void irlan_check_command_param(struct irlan_cb *self, char *param, char *value)
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{
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__u8 *bytes;
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IRDA_DEBUG(4, "%s()\n", __FUNCTION__ );
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bytes = value;
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
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IRDA_DEBUG(4, "%s, %s\n", param, value);
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/*
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* This is experimental!! DB.
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*/
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if (strcmp(param, "MODE") == 0) {
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IRDA_DEBUG(0, "%s()\n", __FUNCTION__ );
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self->use_udata = TRUE;
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return;
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}
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/*
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* FILTER_TYPE
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*/
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if (strcmp(param, "FILTER_TYPE") == 0) {
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if (strcmp(value, "DIRECTED") == 0) {
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self->provider.filter_type = IRLAN_DIRECTED;
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return;
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}
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if (strcmp(value, "MULTICAST") == 0) {
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self->provider.filter_type = IRLAN_MULTICAST;
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return;
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}
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if (strcmp(value, "BROADCAST") == 0) {
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self->provider.filter_type = IRLAN_BROADCAST;
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return;
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}
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}
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/*
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* FILTER_MODE
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*/
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if (strcmp(param, "FILTER_MODE") == 0) {
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if (strcmp(value, "ALL") == 0) {
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self->provider.filter_mode = ALL;
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return;
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}
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if (strcmp(value, "FILTER") == 0) {
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self->provider.filter_mode = FILTER;
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return;
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}
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if (strcmp(value, "NONE") == 0) {
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self->provider.filter_mode = FILTER;
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return;
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}
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}
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/*
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* FILTER_OPERATION
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*/
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if (strcmp(param, "FILTER_OPERATION") == 0) {
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if (strcmp(value, "DYNAMIC") == 0) {
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self->provider.filter_operation = DYNAMIC;
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return;
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}
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if (strcmp(value, "GET") == 0) {
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self->provider.filter_operation = GET;
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return;
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}
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}
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}
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/*
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* Function irlan_print_filter (filter_type, buf)
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*
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* Print status of filter. Used by /proc file system
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*
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*/
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#ifdef CONFIG_PROC_FS
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#define MASK2STR(m,s) { .mask = m, .str = s }
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void irlan_print_filter(struct seq_file *seq, int filter_type)
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{
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static struct {
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int mask;
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const char *str;
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} filter_mask2str[] = {
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MASK2STR(IRLAN_DIRECTED, "DIRECTED"),
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MASK2STR(IRLAN_FUNCTIONAL, "FUNCTIONAL"),
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MASK2STR(IRLAN_GROUP, "GROUP"),
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MASK2STR(IRLAN_MAC_FRAME, "MAC_FRAME"),
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MASK2STR(IRLAN_MULTICAST, "MULTICAST"),
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MASK2STR(IRLAN_BROADCAST, "BROADCAST"),
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MASK2STR(IRLAN_IPX_SOCKET, "IPX_SOCKET"),
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MASK2STR(0, NULL)
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}, *p;
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for (p = filter_mask2str; p->str; p++) {
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if (filter_type & p->mask)
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seq_printf(seq, "%s ", p->str);
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}
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seq_putc(seq, '\n');
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}
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#undef MASK2STR
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#endif
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