| /linux-6.12.1/net/batman-adv/ |
| D | multicast.c | 7 #include "multicast.h"
66 * batadv_mcast_start_timer() - schedule the multicast periodic worker
105 * Checks the presence of an IPv4 multicast router on this node.
126 * Checks the presence of an IPv6 multicast router on this node.
156 * Checks the presence of IPv4 and IPv6 multicast routers on this
160 * BATADV_NO_FLAGS: Both an IPv4 and IPv6 multicast router is present
161 * BATADV_MCAST_WANT_NO_RTR4: No IPv4 multicast router is present
162 * BATADV_MCAST_WANT_NO_RTR6: No IPv6 multicast router is present
163 * The former two OR'd: no multicast router is present
187 * Checks the presence of IPv4 and IPv6 multicast routers behind a bridge.
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| D | multicast_forw.c | 7 #include "multicast.h"
87 * @count: the (estimated) number of originators the multicast packet needs to
225 * this multicast packet through the translation table onto the given skb.
272 * this multicast packet through the want-all flag onto the given skb.
318 * this multicast packet through the want-all-rtr flag onto the given skb.
386 * Remove two padding bytes from the end of the multicast tracker TVLV,
405 * Inserts two padding bytes at the end of the multicast tracker TVLV,
428 * @count: the estimated number of originators the multicast packet needs to
431 * multicast packet's tracker TVLV
434 * Adjusts the padding in the multicast packet's tracker TVLV depending on the
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| /linux-6.12.1/drivers/infiniband/core/ |
| D | multicast.c | 115 struct ib_sa_multicast multicast; member
222 * A multicast group has four types of members: full member, non member,
238 * If a multicast group has zero members left for a particular join state, but
338 &member->multicast.rec, in send_join()
339 member->multicast.comp_mask, in send_join()
371 member->multicast.rec = group->rec; in join_group()
372 member->multicast.rec.join_state = join_state; in join_group()
382 return member->multicast.callback(status, &member->multicast); in fail_join()
406 adjust_membership(group, member->multicast.rec.join_state, -1); in process_group_error()
410 ret = member->multicast.callback(-ENETRESET, in process_group_error()
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| /linux-6.12.1/tools/testing/selftests/net/forwarding/ |
| D | router_multicast.sh | 252 check_err $? "Multicast not received on first host"
254 check_err $? "Multicast not received on second host"
262 check_err $? "Multicast received on host although deleted"
264 check_err $? "Multicast received on second host although deleted"
292 check_err $? "Multicast not received on first host"
294 check_err $? "Multicast not received on second host"
302 check_err $? "Multicast received on first host although deleted"
304 check_err $? "Multicast received on second host although deleted"
314 # Add a multicast route from first router port to the other two. Send
318 # test that devices capable of multicast routing offload trap those
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| D | tc_flower_l2_miss.sh | 136 # Unregistered multicast.
140 # Registered multicast.
149 check_err $? "Unregistered multicast filter was not hit before adding MDB entry"
152 check_err $? "Registered multicast filter was hit before adding MDB entry"
160 check_err $? "Unregistered multicast filter was hit after adding MDB entry"
163 check_err $? "Registered multicast filter was not hit after adding MDB entry"
171 check_err $? "Unregistered multicast filter was not hit after deleting MDB entry"
174 check_err $? "Registered multicast filter was hit after deleting MDB entry"
179 log_test "L2 miss - Multicast ($name)"
208 # Configure $swp2 as a multicast router port so that it will forward
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| D | no_forwarding.sh | 135 check_rcv $h2 "$test_name: Multicast non-IP untagged" \
144 check_rcv $h2 "$test_name: Multicast IPv4 untagged" \
150 check_rcv $h2 "$test_name: Multicast IPv6 untagged" \
157 check_rcv $h2 "$test_name: Multicast non-IP VID $vid" \
166 check_rcv $h2 "$test_name: Multicast IPv4 VID $vid" \
172 check_rcv $h2 "$test_name: Multicast IPv6 VID $vid" \
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| /linux-6.12.1/include/rdma/ |
| D | ib_sa.h | 424 struct ib_sa_multicast *multicast);
429 * ib_sa_join_multicast - Initiates a join request to the specified multicast
432 * @device: Device associated with the multicast group.
433 * @port_num: Port on the specified device to associate with the multicast
435 * @rec: SA multicast member record specifying group attributes.
442 * This call initiates a multicast join request with the SA for the specified
443 * multicast group. If the join operation is started successfully, it returns
444 * an ib_sa_multicast structure that is used to track the multicast operation.
453 * -ENETRESET: Indicates that an fatal error has occurred on the multicast
463 *multicast),
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| /linux-6.12.1/Documentation/networking/ |
| D | bridge.rst | 180 Multicast chapter
183 The Linux bridge driver has multicast support allowing it to process Internet
184 Group Management Protocol (IGMP) or Multicast Listener Discovery (MLD)
185 messages, and to efficiently forward multicast data packets. The bridge
188 Multicast snooping
191 Multicast snooping is a networking technology that allows network switches
192 to intelligently manage multicast traffic within a local area network (LAN).
194 The switch maintains a multicast group table, which records the association
195 between multicast group addresses and the ports where hosts have joined these
197 received. With the multicast group information gathered through snooping, the
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| D | switchdev.rst | 180 - VLAN flooding of multicast/broadcast and unknown unicast packets
301 and other IEEE 01:80:c2:xx:xx:xx link-local multicast packets can pass.
310 For a given L2 VLAN domain, the switch device should flood multicast/broadcast
336 The bridge multicast module will notify port netdevs on every multicast group
338 The hardware implementation should be forwarding all registered multicast
431 including multicast, DHCP, IPv4/6, etc. If necessary, it should program the
432 appropriate filters for VLAN, multicast, unicast etc. The underlying device
434 when IGMP snooping is enabled for IP multicast over these switchdev network
435 devices and unsolicited multicast must be filtered as early as possible in
541 - when IGMP snooping is turned off, multicast traffic must be flooded to all
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| /linux-6.12.1/drivers/infiniband/sw/rdmavt/ |
| D | mcast.c | 15 * rvt_driver_mcast_init - init resources for multicast
23 * Anything that needs setup for multicast on a per driver or per rdi in rvt_driver_mcast_init()
59 * rvt_mcast_alloc - allocate the multicast GID structure
60 * @mgid: the multicast GID
95 * rvt_mcast_find - search the global table for the given multicast GID/LID
99 * @mgid: the multicast GID to search for
100 * @lid: the multicast LID portion of the multicast address (host order)
231 * rvt_attach_mcast - attach a qp to a multicast group
233 * @gid: multicast guid
234 * @lid: multicast lid
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| /linux-6.12.1/drivers/infiniband/ulp/ipoib/ |
| D | ipoib_multicast.c | 55 "Enable multicast debug tracing if > 0");
104 * allocate the broadcast multicast group, wait in __ipoib_mcast_schedule_join_thread()
117 ipoib_dbg_mcast(ipoib_priv(dev), "deleting multicast group %pI6\n", in ipoib_mcast_free()
224 /* Set the multicast MTU and cached Q_Key before we attach if it's in ipoib_mcast_join_finish()
258 ipoib_warn(priv, "multicast group %pI6 already attached\n", in ipoib_mcast_join_finish()
268 ipoib_warn(priv, "couldn't attach QP to multicast group %pI6\n", in ipoib_mcast_join_finish()
357 struct ib_sa_multicast *multicast) in ipoib_mcast_join_complete() argument
359 struct ipoib_mcast *mcast = multicast->context; in ipoib_mcast_join_complete()
375 status = ipoib_mcast_join_finish(mcast, &multicast->rec); in ipoib_mcast_join_complete()
383 * deadlock on rtnl_lock here. Requeue our multicast in ipoib_mcast_join_complete()
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| /linux-6.12.1/include/uapi/linux/ |
| D | mroute6.h | 16 * Protocol Independent Multicast (PIM) data structures included
26 #define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */
27 #define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */
28 #define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */
42 #define MRT6_FLUSH_MFC 1 /* Flush multicast entries */
43 #define MRT6_FLUSH_MFC_STATIC 2 /* Flush static multicast entries */
44 #define MRT6_FLUSH_MIFS 4 /* Flushing multicast vifs */
45 #define MRT6_FLUSH_MIFS_STATIC 8 /* Flush static multicast vifs */
126 * Structure used to communicate from kernel to multicast router.
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| D | mroute.h | 14 * Protocol Independent Multicast (PIM) data structures included
23 #define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */
24 #define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */
25 #define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */
39 #define MRT_FLUSH_MFC 1 /* Flush multicast entries */
40 #define MRT_FLUSH_MFC_STATIC 2 /* Flush static multicast entries */
41 #define MRT_FLUSH_VIFS 4 /* Flush multicast vifs */
42 #define MRT_FLUSH_VIFS_STATIC 8 /* Flush static multicast vifs */
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| D | batman_adv.h | 78 * enum batadv_mcast_flags_priv - Private, own multicast flags
80 * These are internal, multicast related flags. Currently they describe certain
81 * multicast related attributes of the segment this originator bridges into the
84 * Those attributes are used to determine the public multicast flags this
111 * exists, whether it is potentially shadowing multicast listeners
118 * exists, whether it is potentially shadowing multicast listeners
335 * @BATADV_ATTR_MCAST_FLAGS: Per originator multicast flags
340 * @BATADV_ATTR_MCAST_FLAGS_PRIV: Private, own multicast flags
442 * @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED: whether multicast
444 * of multicast packets. If set to non-zero then all nodes in the mesh
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| D | batadv_packet.h | 29 * @BATADV_MCAST: multicast packet with multiple destination addresses
108 * enum batadv_mcast_flags - flags for multicast capabilities and settings
111 * @BATADV_MCAST_WANT_ALL_IPV4: we want all IPv4 multicast packets
113 * @BATADV_MCAST_WANT_ALL_IPV6: we want all IPv6 multicast packets
115 * @BATADV_MCAST_WANT_NO_RTR4: we have no IPv4 multicast router and therefore
116 * only need routable IPv4 multicast packets we signed up for explicitly
117 * @BATADV_MCAST_WANT_NO_RTR6: we have no IPv6 multicast router and therefore
118 * only need routable IPv6 multicast packets we signed up for explicitly
120 * batman-adv multicast packets with a multicast tracker TVLV. And all our
180 * @BATADV_TVLV_MCAST: multicast capability tvlv
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| D | if_link.h | 18 __u32 multicast; member
86 * @multicast: Multicast packets received.
227 __u64 multicast; member
265 __u64 multicast; member
426 for multicast frames. Apparently, all IFF_POINTOPOINT and
569 * Set the MAC address of the multicast group this bridge uses for STP.
579 * Set bridge's multicast router if IGMP snooping is enabled.
589 * Turn multicast snooping on (*IFLA_BR_MCAST_SNOOPING* > 0) or off
603 * (*IFLA_BR_MULTICAST_QUERIER* == 0) IGMP querier, ie sending of multicast
609 * Set multicast database hash elasticity, It is the maximum chain length in
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| /linux-6.12.1/drivers/infiniband/sw/rxe/ |
| D | rxe_mcast.c | 9 * rxe_mcast.c implements driver support for multicast transport.
14 * for the mcg when a multicast packet is received and when another
25 * rxe_mcast_add - add multicast address to rxe device
27 * @mgid: multicast address as a gid
41 * rxe_mcast_del - delete multicast address from rxe device
43 * @mgid: multicast address as a gid
100 * @mgid: multicast IP address
139 * @mgid: multicast IP address
157 * @mgid: multicast address as a gid
184 * @mgid: multicast IP address as a gid
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| /linux-6.12.1/include/net/ |
| D | genetlink.h | 19 /* Binding to multicast group requires %CAP_NET_ADMIN */
21 /* Binding to multicast group requires %CAP_SYS_ADMIN */
25 * struct genl_multicast_group - generic netlink multicast group
26 * @name: name of the multicast group, names are per-family
52 * @bind: called when family multicast group is added to a netlink socket
53 * @unbind: called when family multicast group is removed from a netlink socket
55 * @mcgrps: multicast groups used by this family
56 * @n_mcgrps: number of multicast groups
112 /* starting number of multicast group IDs in this family */
467 * genlmsg_multicast_netns_filtered - multicast a netlink message
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| /linux-6.12.1/drivers/net/wireless/intel/iwlwifi/fw/api/ |
| D | filter.h | 16 * struct iwl_mcast_filter_cmd - configure multicast filter.
17 * @filter_own: Set 1 to filter out multicast packets sent by station itself
18 * @port_id: Multicast MAC addresses array specifier. This is a strange way
23 * @pass_all: Set 1 to pass all multicast packets.
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| /linux-6.12.1/net/ipv6/ |
| D | Kconfig | 227 tunneling" above). In addition, GRE allows multicast redistribution
262 bool "IPv6: multicast routing"
266 Support for IPv6 multicast forwarding.
270 bool "IPv6: multicast policy routing"
274 Normally, a multicast router runs a userspace daemon and decides
275 what to do with a multicast packet based on the source and
276 destination addresses. If you say Y here, the multicast router
287 Support for IPv6 PIM multicast routing protocol PIM-SMv2.
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| /linux-6.12.1/Documentation/networking/devlink/ |
| D | devlink-trap.rst | 14 For example, a device acting as a multicast-aware bridge must be able to send
137 multicast source MAC
154 flooded (e.g., unknown unicast, unregistered multicast) and there are
180 routed and they have a unicast destination IP and a multicast destination
190 routed and their source IP is multicast (i.e., 224.0.0.0/8 and ff::/8)
207 be routed and their IPv6 multicast destination IP has a reserved scope
212 be routed and their IPv6 multicast destination IP has an interface-local scope
223 - Traps multicast IP packets that failed reverse-path forwarding (RPF)
224 check during multicast routing
248 source MAC is multicast
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| /linux-6.12.1/tools/testing/selftests/drivers/net/bonding/ |
| D | dev_addr_lists.sh | 70 check_err $? "LACPDU multicast address not present on slave (1)"
75 check_err $? "LACPDU multicast address still present on slave"
80 check_err $? "LACPDU multicast address not present on slave (2)"
84 log_test "bonding LACPDU multicast address to slave (from bond $init_state)"
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| /linux-6.12.1/net/mac80211/tests/ |
| D | mfp.c | 32 .desc = "public action: accept multicast from unknown peer",
49 .desc = "public action: accept multicast without MFP",
68 .desc = "public action: accept multicast with MFP",
87 .desc = "protected dual: drop multicast from unknown peer",
104 .desc = "protected dual: drop multicast without MFP",
123 .desc = "protected dual: drop undecrypted multicast with MFP",
144 .desc = "protected dual: accept multicast with MFP",
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| /linux-6.12.1/drivers/net/ethernet/intel/igbvf/ |
| D | vf.c | 43 /* multicast address update */ in e1000_init_mac_params_vf()
167 * e1000_hash_mc_addr_vf - Generate a multicast hash value
169 * @mc_addr: pointer to a multicast address
171 * Generates a multicast address hash value which is used to determine
172 * the multicast filter table array address and new table value. See
196 * e1000_update_mc_addr_list_vf - Update Multicast addresses
198 * @mc_addr_list: array of multicast addresses to program
199 * @mc_addr_count: number of multicast addresses to program
203 * Updates the Receive Address Registers and Multicast Table Array.
204 * The caller must have a packed mc_addr_list of multicast addresses.
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| /linux-6.12.1/net/core/ |
| D | dev_addr_lists.c | 6 * This file contains functions for working with unicast, multicast and device
302 * __hw_addr_sync_dev - Synchronize device's multicast list
354 * __hw_addr_ref_sync_dev - Synchronize device's multicast address list taking
838 * Multicast list handling functions
842 * dev_mc_add_excl - Add a global secondary multicast address
876 * dev_mc_add - Add a multicast address
880 * Add a multicast address to the device or increase
890 * dev_mc_add_global - Add a global multicast address
894 * Add a global multicast address to the device.
917 * dev_mc_del - Delete a multicast address.
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