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synced 2024-10-01 04:12:07 +00:00
Minor fix (coding style, comments, spaces, endline...)
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@ -38,20 +38,17 @@
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* source code.
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*/
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/************************************************************
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In the spirit of LW (I hope)
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-------------------------------------------------------------
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note 1)
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/*-------------------------------------------------------------
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Note 1)
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Although the rfc requires V1 AND V2 capability
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we will only support v2 since now V1 is 5 years old
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we will only support v2 since now V1 is very old (August 1989)
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V1 can be added if required
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a debug print and statistic have been implemented to
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show this up.
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-------------------------------------------------------------
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-------------------------------------------------------------
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note 2)
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Note 2)
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A query for a specific group address (as opposed to ALLHOSTS)
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has now been implemented as I am unsure if it is required
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@ -59,7 +56,7 @@ a debug print and statistic have been implemented to
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show this up.
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-------------------------------------------------------------
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-------------------------------------------------------------
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note 3)
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Note 3)
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The router alert rfc 2113 is implemented in outgoing packets
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but not checked rigorously incoming
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-------------------------------------------------------------
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@ -178,7 +175,7 @@ igmp_lookfor_group(struct netif *ifp, struct ip_addr *addr)
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/**
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* Search for a specific igmp group and create a new one if not found-
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*
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* @param ifp the network interfacefor which to look
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* @param ifp the network interface for which to look
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* @param addr the group ip address to search
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* @return a struct igmp_group*,
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* NULL on memory error.
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@ -207,14 +204,14 @@ igmp_lookup_group(struct netif *ifp, struct ip_addr *addr)
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igmp_group_list = group;
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_lookup_group: allocated a new group with address %"U16_F".%"U16_F".%"U16_F".%"U16_F" on if %x \n",
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_lookup_group: allocated a new group with address %"U16_F".%"U16_F".%"U16_F".%"U16_F" on if %x\n",
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(u16_t)(ntohl(addr->addr) >> 24 & 0xff),
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(u16_t)(ntohl(addr->addr) >> 16 & 0xff),
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(u16_t)(ntohl(addr->addr) >> 8 & 0xff),
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(u16_t)(ntohl(addr->addr) & 0xff),
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(int) ifp));
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} else {
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_lookup_group: impossible to allocated a new group with address %"U16_F".%"U16_F".%"U16_F".%"U16_F" on if %x \n",
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_lookup_group: impossible to allocated a new group with address %"U16_F".%"U16_F".%"U16_F".%"U16_F" on if %x\n",
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(u16_t)(ntohl(addr->addr) >> 24 & 0xff),
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(u16_t)(ntohl(addr->addr) >> 16 & 0xff),
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(u16_t)(ntohl(addr->addr) >> 8 & 0xff),
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@ -249,7 +246,7 @@ igmp_input(struct pbuf *p, struct netif *inp, struct ip_addr *dest)
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return;
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}
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: message to address %"U16_F".%"U16_F".%"U16_F".%"U16_F" on if %x \n",
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: message to address %"U16_F".%"U16_F".%"U16_F".%"U16_F" on if %x\n",
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(u16_t)(ntohl(dest->addr) >> 24 & 0xff),
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(u16_t)(ntohl(dest->addr) >> 16 & 0xff),
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(u16_t)(ntohl(dest->addr) >> 8 & 0xff),
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@ -308,7 +305,7 @@ igmp_input(struct pbuf *p, struct netif *inp, struct ip_addr *dest)
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} else {
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if ((igmp->igmp_msgtype == IGMP_MEMB_QUERY) && ip_addr_cmp (dest, &allsystems) &&
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(group->group_address.addr != 0)) {
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: got a query to a specific group using the allsystems address \n"));
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: got a query to a specific group using the allsystems address\n"));
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/* we first need to re-lookup the group since we used dest last time */
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group = igmp_lookfor_group(inp, &igmp->igmp_group_address); /* use the incoming IP address! */
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@ -324,7 +321,7 @@ igmp_input(struct pbuf *p, struct netif *inp, struct ip_addr *dest)
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} else {
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if ((igmp->igmp_msgtype == IGMP_MEMB_QUERY) && !(ip_addr_cmp (dest, &allsystems)) &&
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(group->group_address.addr != 0)) {
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: got a query to a specific group with the group address as destination \n"));
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: got a query to a specific group with the group address as destination\n"));
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IGMP_STATS_INC(igmp.unicast_query);
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@ -335,7 +332,7 @@ igmp_input(struct pbuf *p, struct netif *inp, struct ip_addr *dest)
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}
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} else {
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if (igmp->igmp_msgtype == IGMP_V2_MEMB_REPORT) {
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: got an IGMP_V2_MEMB_REPORT \n"));
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: got an IGMP_V2_MEMB_REPORT\n"));
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IGMP_STATS_INC(igmp.report_rxed);
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if (group->group_state == DELAYING_MEMBER) {
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@ -345,7 +342,7 @@ igmp_input(struct pbuf *p, struct netif *inp, struct ip_addr *dest)
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group->last_reporter_flag = 0;
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}
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} else {
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: unexpected msg %x in state %x on group %x at interface %x\n", (int) igmp->igmp_msgtype, (int) group->group_state, (int) &group, (int) group->interface));
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: unexpected msg %x in state %x on group %x on if %x\n", (int) igmp->igmp_msgtype, (int) group->group_state, (int) &group, (int) group->interface));
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}
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}
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}
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@ -426,7 +423,7 @@ igmp_leavegroup(struct netif *ifp, struct ip_addr *groupaddr)
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LWIP_DEBUGF(IGMP_DEBUG, ("\n"));
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if (group->last_reporter_flag) {
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: sending leaving group"));
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: sending leaving group\n"));
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IGMP_STATS_INC(igmp.leave_sent);
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igmp_send(group, IGMP_LEAVE_GROUP);
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}
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@ -443,7 +440,7 @@ igmp_leavegroup(struct netif *ifp, struct ip_addr *groupaddr)
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return ERR_OK;
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}
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: not member of group"));
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: not member of group\n"));
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return ERR_VAL;
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}
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@ -479,7 +476,7 @@ igmp_timeout(struct igmp_group *group)
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{
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/* If the state is DELAYING_MEMBER then we send a report for this group */
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if (group->group_state == DELAYING_MEMBER) {
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_timeout: report membership for group with address %"U16_F".%"U16_F".%"U16_F".%"U16_F" on if %x \n",
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_timeout: report membership for group with address %"U16_F".%"U16_F".%"U16_F".%"U16_F" on if %x\n",
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(u16_t)(ntohl(group->group_address.addr) >> 24 & 0xff),
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(u16_t)(ntohl(group->group_address.addr) >> 16 & 0xff),
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(u16_t)(ntohl(group->group_address.addr) >> 8 & 0xff),
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@ -594,7 +591,7 @@ igmp_ip_output_if(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest,
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ip_debug_print(p);
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#endif
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_ip_output_if: sending to netif %x \n", (int) netif));
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LWIP_DEBUGF(IGMP_DEBUG, ("igmp_ip_output_if: sending to if %x\n", (int) netif));
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return netif->output(netif, p, dest);
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}
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