2012-12-21 14:51:26 +00:00
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diff -up man-pages-3.45/man7/ip.7.orig man-pages-3.45/man7/ip.7
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--- man-pages-3.45/man7/ip.7.orig 2012-12-20 18:17:28.000000000 +0100
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+++ man-pages-3.45/man7/ip.7 2012-12-21 15:22:46.735718672 +0100
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@@ -285,6 +285,58 @@ Only valid as a
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2012-09-13 10:44:16 +00:00
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.BR setsockopt (2).
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.\"
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.TP
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+.BR IP_ADD_SOURCE_MEMBERSHIP " (since Linux 2.5.68)"
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+Join a multicast group and allow receiving data only
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+from a specified source.
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+Argument is an
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+.I ip_mreq_source
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+structure.
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+.sp
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+.in +4n
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+.nf
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+struct ip_mreq_source {
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+ struct in_addr imr_multiaddr; /* IP multicast group
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+ address */
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+ struct in_addr imr_interface; /* IP address of local
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+ interface */
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+ struct in_addr imr_sourceaddr; /* IP address of
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+ multicast source */
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+};
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+.fi
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+.in
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+.sp
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+.I ip_mreq_source
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+structure is similar to
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+.I ip_mreqn
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+described at
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+.BR IP_ADD_MEMBERSIP .
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+.I imr_multiaddr
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+contains the address of the multicast group the application
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+wants to join or leave.
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+.I imr_interface
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+is the address of the local interface with which
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+the system should join the multicast group.
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+Finally
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+.I imr_sourceaddr
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+field contains address of the source the
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+application wants to receive data from.
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+.IP
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+This option can be used multiple times to allow
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+receiving data from more than one source.
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+.TP
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+.BR IP_BLOCK_SOURCE " (since Linux 2.5.68)"
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+Stop receiving multicast data from a specific source in a given
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+group. This is valid only after the application has subscribed
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+to the multicast group using either
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+.BR IP_ADD_MEMBERSHIP
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+or
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+.BR IP_ADD_SOURCE_MEMBERSHIP .
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+.IP
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+Argument is an
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+.I ip_mreq_source
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+structure as described at
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+.BR IP_ADD_SOURCE_MEMBERSHIP .
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+.TP
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.BR IP_DROP_MEMBERSHIP " (since Linux 1.2)"
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Leave a multicast group.
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Argument is an
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2012-12-21 14:51:26 +00:00
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@@ -294,6 +346,19 @@ or
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2012-09-13 10:44:16 +00:00
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structure similar to
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.BR IP_ADD_MEMBERSHIP .
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.TP
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+.BR IP_DROP_SOURCE_MEMBERSHIP " (since Linux 2.5.68)"
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+Leave a source-specific group, i.e., stop receiving data from
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+a given multicast group that come from a given source).
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+If the application has subscribed to multiple sources within
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+the same group, data from the remaining sources will still be
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+delivered. To stop receiving data from all sources at once use
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+.BR IP_LEAVE_GROUP .
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+.IP
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+Argument is an
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+.I ip_mreq_source
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+structure as described at
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+.BR IP_ADD_SOURCE_MEMBERSHIP .
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+.TP
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.BR IP_FREEBIND " (since Linux 2.4)"
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.\" Precisely: 2.4.0-test10
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If enabled, this boolean option allows binding to an IP address
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2012-12-21 14:51:26 +00:00
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@@ -323,6 +388,45 @@ and
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2012-09-13 10:44:16 +00:00
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.B IP_TOS
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are ignored.
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2012-12-21 14:51:26 +00:00
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.TP
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2012-09-13 10:44:16 +00:00
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+.BR IP_MSFILTER " (since Linux 2.5.68)"
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+This option provides access to the advanced full-state filtering API.
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+Argument is an
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+.I ip_msfilter
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+structure.
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+.sp
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+.in +4n
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+.nf
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+struct ip_msfilter {
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+ struct in_addr imsf_multiaddr; /* IP multicast group
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+ address */
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+ struct in_addr imsf_interface; /* IP address of local
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+ interface */
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+ uint32_t imsf_fmode; /* Filter-mode */
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+
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+ uint32_t imsf_numsrc; /* Number of sources in
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+ the following array */
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+ struct in_addr imsf_slist[1]; /* Array of source
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+ addresses */
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+};
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+.fi
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+.in
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+.sp
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+There are two macros,
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+.BR MCAST_INCLUDE
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+and
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+.BR MCAST_EXCLUDE ,
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+which can be used to specify the filtering mode.
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+Additionaly,
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+.BR IP_MSFILTER_SIZE (n)
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+macro exists to determine how much memory is needed to store
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+.I ip_msfilter
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+structure with
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+.I n
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+sources in the source list.
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+.IP
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+For the full description of multicast source filtering
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+refer to RFC 3376.
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2012-12-21 14:51:26 +00:00
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+.TP
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.BR IP_MTU " (since Linux 2.2)"
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.\" Precisely: 2.1.124
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Retrieve the current known path MTU of the current socket.
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@@ -418,6 +522,17 @@ This is also particularly useful for dia
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2012-10-25 18:06:28 +00:00
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that wish to deliberately send probe packets larger than
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the observed Path MTU.
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.TP
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+.BR IP_MULTICAST_ALL " (since Linux 2.6.31)"
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+Sets the policy for multicast delivery to the socket. Argument is a boolean
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+integer that enables or disables multicast delivery from all groups.
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+If not set, delivery to the socket is restricted to data from those multicast
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+groups that have been explicitly subscribed to via a multicast join operation
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+for this socket. The default is 1 which means that a socket which is bound
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+to the wildcard address
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+.RB ( INADDR_ANY )
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+will receive multicast packets from all
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+groups that have been subscribed to on this system.
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+.TP
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.BR IP_MULTICAST_IF " (since Linux 1.2)"
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Set the local device for a multicast socket.
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Argument is an
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2012-12-21 14:51:26 +00:00
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@@ -788,6 +903,16 @@ this option be set on the redirected soc
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2012-09-13 10:44:16 +00:00
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.BR IP_TTL " (since Linux 1.0)"
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Set or retrieve the current time-to-live field that is used in every packet
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sent from this socket.
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+.TP
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+.BR IP_UNBLOCK_SOURCE " (since Linux 2.5.68)"
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+Unblock previously blocked multicast source. Returns
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+.BR EADDRNOTAVAIL
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+when given source is not being blocked.
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+.IP
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+Argument is an
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+.I ip_mreq_source
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+structure as described at
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+.BR IP_ADD_SOURCE_MEMBERSHIP .
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2012-12-21 14:51:26 +00:00
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.SS /proc interfaces
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The IP protocol
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supports a set of
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@@ -1022,6 +1147,7 @@ and
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2012-09-13 10:44:16 +00:00
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.BR socket (7).
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.SH NOTES
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.BR IP_FREEBIND ,
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+.BR IP_MSFILTER ,
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.BR IP_MTU ,
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.BR IP_MTU_DISCOVER ,
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.BR IP_RECVORIGDSTADDR ,
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