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OmniWheels
by 
Gustav Atmel
lwip_mld6.c File Reference
Multicast listener discovery. More...
Go to the source code of this file.
Functions | |
| static struct mld_group * | mld6_new_group (struct netif *ifp, const ip6_addr_t *addr) |
| create a new group | |
| static err_t | mld6_remove_group (struct netif *netif, struct mld_group *group) |
| Remove a group from the mld_group_list, but do not free it yet. | |
| static void | mld6_delayed_report (struct mld_group *group, u16_t maxresp) |
| Schedule a delayed membership report for a group. | |
| static void | mld6_send (struct netif *netif, struct mld_group *group, u8_t type) |
| Send a MLD message (report or done). | |
| err_t | mld6_stop (struct netif *netif) |
| Stop MLD processing on interface. | |
| void | mld6_report_groups (struct netif *netif) |
| Report MLD memberships for this interface. | |
| struct mld_group * | mld6_lookfor_group (struct netif *ifp, const ip6_addr_t *addr) |
| Search for a group that is joined on a netif. | |
| void | mld6_input (struct pbuf *p, struct netif *inp) |
| Process an input MLD message. | |
| err_t | mld6_joingroup (const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr) |
| Join a group on a network interface. | |
| err_t | mld6_joingroup_netif (struct netif *netif, const ip6_addr_t *groupaddr) |
| Join a group on a network interface. | |
| err_t | mld6_leavegroup (const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr) |
| Leave a group on a network interface. | |
| err_t | mld6_leavegroup_netif (struct netif *netif, const ip6_addr_t *groupaddr) |
| Leave a group on a network interface. | |
| void | mld6_tmr (void) |
| Periodic timer for mld processing. | |
Detailed Description
Multicast listener discovery.
Definition in file lwip_mld6.c.
Function Documentation
| static void mld6_delayed_report | ( | struct mld_group * | group, |
| u16_t | maxresp | ||
| ) | [static] |
Schedule a delayed membership report for a group.
- Parameters:
-
group the mld_group for which "delaying" membership report should be sent maxresp the max resp delay provided in the query
Definition at line 490 of file lwip_mld6.c.
Process an input MLD message.
Called by icmp6_input.
- Parameters:
-
p the mld packet, p->payload pointing to the icmpv6 header inp the netif on which this packet was received
Definition at line 222 of file lwip_mld6.c.
| struct mld_group* mld6_lookfor_group | ( | struct netif * | ifp, |
| const ip6_addr_t * | addr | ||
| ) | [read] |
Search for a group that is joined on a netif.
- Parameters:
-
ifp the network interface for which to look addr the group ipv6 address to search for
- Returns:
- a struct mld_group* if the group has been found, NULL if the group wasn't found.
Definition at line 139 of file lwip_mld6.c.
| static struct mld_group * mld6_new_group | ( | struct netif * | ifp, |
| const ip6_addr_t * | addr | ||
| ) | [static, read] |
create a new group
- Parameters:
-
ifp the network interface for which to create addr the new group ipv6
- Returns:
- a struct mld_group*, NULL on memory error.
Definition at line 163 of file lwip_mld6.c.
Remove a group from the mld_group_list, but do not free it yet.
- Parameters:
-
group the group to remove
- Returns:
- ERR_OK if group was removed from the list, an err_t otherwise
Definition at line 189 of file lwip_mld6.c.
| void mld6_report_groups | ( | struct netif * | netif ) |
Report MLD memberships for this interface.
- Parameters:
-
netif network interface on which report MLD memberships
Definition at line 120 of file lwip_mld6.c.
Send a MLD message (report or done).
An IPv6 hop-by-hop options header with a router alert option is prepended.
- Parameters:
-
group the group to report or quit type ICMP6_TYPE_MLR (report) or ICMP6_TYPE_MLD (done)
Definition at line 525 of file lwip_mld6.c.
Stop MLD processing on interface.
- Parameters:
-
netif network interface on which stop MLD processing
Definition at line 91 of file lwip_mld6.c.
| void mld6_tmr | ( | void | ) |
Periodic timer for mld processing.
Must be called every MLD6_TMR_INTERVAL milliseconds (100).
When a delaying member expires, a membership report is sent.
Definition at line 457 of file lwip_mld6.c.
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