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Include internal metadata into the memcg-based memory accounting.
Also include the memory allocated on updating an element.
Signed-off-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20201201215900.3569844-17-guro@fb.com
The .x25_addr[] address comes from the user and is not necessarily
NUL terminated. This leads to a couple problems. The first problem is
that the strlen() in x25_bind() can read beyond the end of the buffer.
The second problem is more subtle and could result in memory corruption.
The call tree is:
x25_connect()
--> x25_write_internal()
--> x25_addr_aton()
The .x25_addr[] buffers are copied to the "addresses" buffer from
x25_write_internal() so it will lead to stack corruption.
Verify that the strings are NUL terminated and return -EINVAL if they
are not.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Fixes: a9288525d2ae ("X25: Dont let x25_bind use addresses containing characters")
Reported-by: "kiyin(尹亮)" <kiyin@tencent.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Martin Schiller <ms@dev.tdt.de>
Link: https://lore.kernel.org/r/X8ZeAKm8FnFpN//B@mwanda
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Modify the tx writeable condition from the queue is not full to the
number of present tx queues is less than the half of the total number
of queues. Because the tx queue not full is a very short time, this will
cause a large number of EPOLLOUT events, and cause a large number of
process wake up.
Fixes: 35fcde7f8deb ("xsk: support for Tx")
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/508fef55188d4e1160747ead64c6dcda36735880.1606555939.git.xuanzhuo@linux.alibaba.com
datagram_poll will judge the current socket status (EPOLLIN, EPOLLOUT)
based on the traditional socket information (eg: sk_wmem_alloc), but
this does not apply to xsk. So this patch uses sock_poll_wait instead of
datagram_poll, and the mask is calculated by xsk_poll.
Fixes: c497176cb2e4 ("xsk: add Rx receive functions and poll support")
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/e82f4697438cd63edbf271ebe1918db8261b7c09.1606555939.git.xuanzhuo@linux.alibaba.com
I have to now lock/unlock socket for the bind hook execution.
That shouldn't cause any overhead because the socket is unbound
and shouldn't receive any traffic.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrey Ignatov <rdna@fb.com>
Link: https://lore.kernel.org/bpf/20201202172516.3483656-3-sdf@google.com
If a packet is ready in receive queue, and application isssues
a recvmsg()/recvfrom()/recvmmsg() request asking for zero bytes,
we hang in mptcp_recvmsg().
Fixes: ea4ca586b16f ("mptcp: refine MPTCP-level ack scheduling")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Tested-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Link: https://lore.kernel.org/r/20201202171657.1185108-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
syzkaller managed to crash the kernel using an NBMA ip6gre interface. I
could reproduce it creating an NBMA ip6gre interface and forwarding
traffic to it:
skbuff: skb_under_panic: text:ffffffff8250e927 len:148 put:44 head:ffff8c03c7a33
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:109!
Call Trace:
skb_push+0x10/0x10
ip6gre_header+0x47/0x1b0
neigh_connected_output+0xae/0xf0
ip6gre tunnel provides its own header_ops->create, and sets it
conditionally when initializing the tunnel in NBMA mode. When
header_ops->create is used, dev->hard_header_len should reflect the
length of the header created. Otherwise, when not used,
dev->needed_headroom should be used.
Fixes: eb95f52fc72d ("net: ipv6_gre: Fix GRO to work on IPv6 over GRE tap")
Cc: Maria Pasechnik <mariap@mellanox.com>
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20201130161911.464106-1-atenart@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
'snprintf' returns the number of characters which would have been written
if enough space had been available, excluding the terminating null byte.
Thus, the return value of 'sizeof(buf)' means that the last character
has been dropped.
Signed-off-by: Fedor Tokarev <ftokarev@gmail.com>
Fixes: 2f34b8bfae19 ("SUNRPC: add links for all client xprts to debugfs")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
While we always want to align to the next page and/or the beginning of
the tail buffer when we call xdr_set_next_page(), the functions
xdr_align_data() and xdr_expand_hole() really want to align to the next
object in that next page or tail.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
rpc_prepare_reply_pages() currently expects the 'hdrsize' argument to
contain the length of the data that we expect to want placed in the head
kvec plus a count of 1 word of padding that is placed after the page data.
This is very confusing when trying to read the code, and sometimes leads
to callers adding an arbitrary value of '1' just in order to satisfy the
requirement (whether or not the page data actually needs such padding).
This patch aims to clarify the code by changing the 'hdrsize' argument
to remove that 1 word of padding. This means we need to subtract the
padding from all the existing callers.
Fixes: 02ef04e432ba ("NFS: Account for XDR pad of buf->pages")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Fix up xdr_read_pages() so that it can handle object lengths that are
larger than the page length, by simply aligning to the next object in
the buffer tail.
The function will continue to return the length of the truncate object
data that actually fit into the pages.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Allow xdr_set_iov() to set a base so that we can use it to set the
cursor to a specific position in the kvec buffer.
If the new base overflows the kvec/pages buffer in either xdr_set_iov()
or xdr_set_page_base(), then truncate it so that we point to the end of
the buffer.
Finally, change both function to return the number of bytes remaining to
read in their buffers.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
We already know that the head buffer and page are empty, so if there is
any data, it is in the tail.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
After we've looked up the transport module, we need to ensure it can't
go away until we've finished running the transport setup code.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
According to RFC5666, the correct netid for an IPv6 addressed RDMA
transport is "rdma6", which we've supported as a mount option since
Linux-4.7. The problem is when we try to load the module "xprtrdma6",
that will fail, since there is no modulealias of that name.
Fixes: 181342c5ebe8 ("xprtrdma: Add rdma6 option to support NFS/RDMA IPv6")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Currently, we wake up the tasks by priority queue ordering, which means
that we ignore the batching that is supposed to help with QoS issues.
Fixes: c049f8ea9a0d ("SUNRPC: Remove the bh-safe lock requirement on the rpc_wait_queue->lock")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
There's no need to defer allocation of pages for the receive buffer.
- This upcall is quite infrequent
- gssp_alloc_receive_pages() can allocate the pages with GFP_KERNEL,
unlike the transport
- gssp_alloc_receive_pages() knows exactly how many pages are needed
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Olga Kornievskaia <aglo@umich.edu>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Introduce get link command which loops through
all available links of all available link groups. It
uses the SMC-R linkgroup list as entry point, not
the socket list, which makes linkgroup diagnosis
possible, in case linkgroup does not contain active
connections anymore.
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Introduce get linkgroup command which loops through
all available SMCR linkgroups. It uses the SMC-R linkgroup
list as entry point, not the socket list, which makes
linkgroup diagnosis possible, in case linkgroup does not
contain active connections anymore.
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add new netlink command to obtain system information
of the smc module.
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Encapsulate the smc ism v2 capability boolean value
in a function for better information hiding.
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
During link creation add net-device ifindex and ib-device
name to link structure. This is needed for diagnostic purposes.
When diagnostic information is gathered, we need to traverse
device, linkgroup and link structures, to be able to do that
we need to hold a spinlock for the linkgroup list, without this
diagnostic information in link structure, another device list
mutex holding would be necessary to dereference the device
pointer in the link structure which would be impossible when
holding a spinlock already.
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
During smc ib-device creation, add network device ifindex to smc
ib-device structure. Register for netdevice changes and update ib-device
accordingly. This is needed for diagnostic purposes.
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add link counters to the structure of the smc ib device, one counter per
ib port. Increase/decrease the counters as needed in the corresponding
routines.
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add connection counters to the structure of the link.
Increase/decrease the counters as needed in the corresponding
routines.
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use active link of the connection directly and not
via linkgroup array structure when obtaining link
data of the connection.
Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The helper smc_connect_abort() can be used by the listen processing
functions, too. And rename this helper to smc_conn_abort() to make the
purpose clearer.
No functional change.
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Recent changes made to remove AES constants started using protocol
aware salt_size. ctx->prot_info's salt_size is filled in tls sw case,
but not in tls offload mode, and was working so far because of the
hard coded value was used.
Fixes: 6942a284fb3e ("net/tls: make inline helpers protocol-aware")
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Link: https://lore.kernel.org/r/20201201090752.27355-1-rohitm@chelsio.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'v5.10-rc6' into rdma.git for-next
For dependencies in following patches
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The last user of the RTNL brother of dev_getfirstbyhwtype (the latter
being synchronized under RCU) has been deleted in commit b4db2b35fc44
("afs: Use core kernel UUID generation").
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Howells <dhowells@redhat.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20201129200550.2433401-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix Return: kernel-doc notation in all net/tipc/ source files.
Also keep ReST list notation intact for output formatting.
Fix a few typos in comments.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix socket.c kernel-doc warnings in preparation for adding to the
networking docbook.
Also, for rcvbuf_limit(), use bullet notation so that the lines do
not run together.
../net/tipc/socket.c:130: warning: Function parameter or member 'cong_links' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'probe_unacked' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'snd_win' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'peer_caps' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'rcv_win' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'group' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'oneway' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'nagle_start' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'snd_backlog' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'msg_acc' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'pkt_cnt' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'expect_ack' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'nodelay' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'group_is_open' not described in 'tipc_sock'
../net/tipc/socket.c:267: warning: Function parameter or member 'sk' not described in 'tsk_advance_rx_queue'
../net/tipc/socket.c:295: warning: Function parameter or member 'sk' not described in 'tsk_rej_rx_queue'
../net/tipc/socket.c:295: warning: Function parameter or member 'error' not described in 'tsk_rej_rx_queue'
../net/tipc/socket.c:894: warning: Function parameter or member 'tsk' not described in 'tipc_send_group_msg'
../net/tipc/socket.c:1187: warning: Function parameter or member 'net' not described in 'tipc_sk_mcast_rcv'
../net/tipc/socket.c:1323: warning: Function parameter or member 'inputq' not described in 'tipc_sk_conn_proto_rcv'
../net/tipc/socket.c:1323: warning: Function parameter or member 'xmitq' not described in 'tipc_sk_conn_proto_rcv'
../net/tipc/socket.c:1885: warning: Function parameter or member 'sock' not described in 'tipc_recvmsg'
../net/tipc/socket.c:1993: warning: Function parameter or member 'sock' not described in 'tipc_recvstream'
../net/tipc/socket.c:2313: warning: Function parameter or member 'xmitq' not described in 'tipc_sk_filter_rcv'
../net/tipc/socket.c:2404: warning: Function parameter or member 'xmitq' not described in 'tipc_sk_enqueue'
../net/tipc/socket.c:2456: warning: Function parameter or member 'net' not described in 'tipc_sk_rcv'
../net/tipc/socket.c:2693: warning: Function parameter or member 'kern' not described in 'tipc_accept'
../net/tipc/socket.c:3816: warning: Excess function parameter 'sysctl_tipc_sk_filter' description in 'tipc_sk_filtering'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix node.c kernel-doc warnings in preparation for adding to the
networking docbook.
../net/tipc/node.c:141: warning: Function parameter or member 'kref' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'bc_entry' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'failover_sent' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'peer_id' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'peer_id_string' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'conn_sks' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'keepalive_intv' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'timer' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'peer_net' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'peer_hash_mix' not described in 'tipc_node'
../net/tipc/node.c:273: warning: Function parameter or member '__n' not described in 'tipc_node_crypto_rx'
../net/tipc/node.c:822: warning: Function parameter or member 'n' not described in '__tipc_node_link_up'
../net/tipc/node.c:822: warning: Function parameter or member 'bearer_id' not described in '__tipc_node_link_up'
../net/tipc/node.c:822: warning: Function parameter or member 'xmitq' not described in '__tipc_node_link_up'
../net/tipc/node.c:888: warning: Function parameter or member 'n' not described in 'tipc_node_link_up'
../net/tipc/node.c:888: warning: Function parameter or member 'bearer_id' not described in 'tipc_node_link_up'
../net/tipc/node.c:888: warning: Function parameter or member 'xmitq' not described in 'tipc_node_link_up'
../net/tipc/node.c:948: warning: Function parameter or member 'n' not described in '__tipc_node_link_down'
../net/tipc/node.c:948: warning: Function parameter or member 'bearer_id' not described in '__tipc_node_link_down'
../net/tipc/node.c:948: warning: Function parameter or member 'xmitq' not described in '__tipc_node_link_down'
../net/tipc/node.c:948: warning: Function parameter or member 'maddr' not described in '__tipc_node_link_down'
../net/tipc/node.c:1537: warning: Function parameter or member 'net' not described in 'tipc_node_get_linkname'
../net/tipc/node.c:1537: warning: Function parameter or member 'len' not described in 'tipc_node_get_linkname'
../net/tipc/node.c:1891: warning: Function parameter or member 'n' not described in 'tipc_node_check_state'
../net/tipc/node.c:1891: warning: Function parameter or member 'xmitq' not described in 'tipc_node_check_state'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix name_table.c kernel-doc warnings in preparation for adding to the
networking docbook.
../net/tipc/name_table.c:115: warning: Function parameter or member 'start' not described in 'service_range_foreach_match'
../net/tipc/name_table.c:115: warning: Function parameter or member 'end' not described in 'service_range_foreach_match'
../net/tipc/name_table.c:127: warning: Function parameter or member 'start' not described in 'service_range_match_first'
../net/tipc/name_table.c:127: warning: Function parameter or member 'end' not described in 'service_range_match_first'
../net/tipc/name_table.c:176: warning: Function parameter or member 'start' not described in 'service_range_match_next'
../net/tipc/name_table.c:176: warning: Function parameter or member 'end' not described in 'service_range_match_next'
../net/tipc/name_table.c:225: warning: Function parameter or member 'type' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'lower' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'upper' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'scope' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'node' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'port' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'key' not described in 'tipc_publ_create'
../net/tipc/name_table.c:252: warning: Function parameter or member 'type' not described in 'tipc_service_create'
../net/tipc/name_table.c:252: warning: Function parameter or member 'hd' not described in 'tipc_service_create'
../net/tipc/name_table.c:367: warning: Function parameter or member 'sr' not described in 'tipc_service_remove_publ'
../net/tipc/name_table.c:367: warning: Function parameter or member 'node' not described in 'tipc_service_remove_publ'
../net/tipc/name_table.c:367: warning: Function parameter or member 'key' not described in 'tipc_service_remove_publ'
../net/tipc/name_table.c:383: warning: Function parameter or member 'pa' not described in 'publication_after'
../net/tipc/name_table.c:383: warning: Function parameter or member 'pb' not described in 'publication_after'
../net/tipc/name_table.c:401: warning: Function parameter or member 'service' not described in 'tipc_service_subscribe'
../net/tipc/name_table.c:401: warning: Function parameter or member 'sub' not described in 'tipc_service_subscribe'
../net/tipc/name_table.c:546: warning: Function parameter or member 'net' not described in 'tipc_nametbl_translate'
../net/tipc/name_table.c:546: warning: Function parameter or member 'type' not described in 'tipc_nametbl_translate'
../net/tipc/name_table.c:546: warning: Function parameter or member 'instance' not described in 'tipc_nametbl_translate'
../net/tipc/name_table.c:546: warning: Function parameter or member 'dnode' not described in 'tipc_nametbl_translate'
../net/tipc/name_table.c:762: warning: Function parameter or member 'net' not described in 'tipc_nametbl_withdraw'
../net/tipc/name_table.c:762: warning: Function parameter or member 'type' not described in 'tipc_nametbl_withdraw'
../net/tipc/name_table.c:762: warning: Function parameter or member 'lower' not described in 'tipc_nametbl_withdraw'
../net/tipc/name_table.c:762: warning: Function parameter or member 'upper' not described in 'tipc_nametbl_withdraw'
../net/tipc/name_table.c:762: warning: Function parameter or member 'key' not described in 'tipc_nametbl_withdraw'
../net/tipc/name_table.c:796: warning: Function parameter or member 'sub' not described in 'tipc_nametbl_subscribe'
../net/tipc/name_table.c:826: warning: Function parameter or member 'sub' not described in 'tipc_nametbl_unsubscribe'
../net/tipc/name_table.c:876: warning: Function parameter or member 'net' not described in 'tipc_service_delete'
../net/tipc/name_table.c:876: warning: Function parameter or member 'sc' not described in 'tipc_service_delete'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix name_distr.c kernel-doc warnings in preparation for adding to the
networking docbook.
../net/tipc/name_distr.c:55: warning: Function parameter or member 'i' not described in 'publ_to_item'
../net/tipc/name_distr.c:55: warning: Function parameter or member 'p' not described in 'publ_to_item'
../net/tipc/name_distr.c:70: warning: Function parameter or member 'net' not described in 'named_prepare_buf'
../net/tipc/name_distr.c:70: warning: Function parameter or member 'type' not described in 'named_prepare_buf'
../net/tipc/name_distr.c:70: warning: Function parameter or member 'size' not described in 'named_prepare_buf'
../net/tipc/name_distr.c:70: warning: Function parameter or member 'dest' not described in 'named_prepare_buf'
../net/tipc/name_distr.c:88: warning: Function parameter or member 'net' not described in 'tipc_named_publish'
../net/tipc/name_distr.c:88: warning: Function parameter or member 'publ' not described in 'tipc_named_publish'
../net/tipc/name_distr.c:116: warning: Function parameter or member 'net' not described in 'tipc_named_withdraw'
../net/tipc/name_distr.c:116: warning: Function parameter or member 'publ' not described in 'tipc_named_withdraw'
../net/tipc/name_distr.c:147: warning: Function parameter or member 'net' not described in 'named_distribute'
../net/tipc/name_distr.c:147: warning: Function parameter or member 'seqno' not described in 'named_distribute'
../net/tipc/name_distr.c:199: warning: Function parameter or member 'net' not described in 'tipc_named_node_up'
../net/tipc/name_distr.c:199: warning: Function parameter or member 'dnode' not described in 'tipc_named_node_up'
../net/tipc/name_distr.c:199: warning: Function parameter or member 'capabilities' not described in 'tipc_named_node_up'
../net/tipc/name_distr.c:225: warning: Function parameter or member 'net' not described in 'tipc_publ_purge'
../net/tipc/name_distr.c:225: warning: Function parameter or member 'publ' not described in 'tipc_publ_purge'
../net/tipc/name_distr.c:225: warning: Function parameter or member 'addr' not described in 'tipc_publ_purge'
../net/tipc/name_distr.c:272: warning: Function parameter or member 'net' not described in 'tipc_update_nametbl'
../net/tipc/name_distr.c:272: warning: Function parameter or member 'i' not described in 'tipc_update_nametbl'
../net/tipc/name_distr.c:272: warning: Function parameter or member 'node' not described in 'tipc_update_nametbl'
../net/tipc/name_distr.c:272: warning: Function parameter or member 'dtype' not described in 'tipc_update_nametbl'
../net/tipc/name_distr.c:353: warning: Function parameter or member 'net' not described in 'tipc_named_rcv'
../net/tipc/name_distr.c:353: warning: Function parameter or member 'namedq' not described in 'tipc_named_rcv'
../net/tipc/name_distr.c:353: warning: Function parameter or member 'rcv_nxt' not described in 'tipc_named_rcv'
../net/tipc/name_distr.c:353: warning: Function parameter or member 'open' not described in 'tipc_named_rcv'
../net/tipc/name_distr.c:383: warning: Function parameter or member 'net' not described in 'tipc_named_reinit'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix link.c kernel-doc warnings in preparation for adding to the
networking docbook.
../net/tipc/link.c:200: warning: Function parameter or member 'session' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'snd_nxt_state' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'rcv_nxt_state' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'in_session' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'active' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'if_name' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'rst_cnt' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'drop_point' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'failover_reasm_skb' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'failover_deferdq' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'transmq' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'backlog' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'snd_nxt' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'rcv_unacked' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'deferdq' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'window' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'min_win' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'ssthresh' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'max_win' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'cong_acks' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'checkpoint' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'reasm_tnlmsg' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'last_gap' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'last_ga' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'bc_rcvlink' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'bc_sndlink' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'nack_state' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'bc_peer_is_up' not described in 'tipc_link'
../net/tipc/link.c:473: warning: Function parameter or member 'self' not described in 'tipc_link_create'
../net/tipc/link.c:473: warning: Function parameter or member 'peer_id' not described in 'tipc_link_create'
../net/tipc/link.c:473: warning: Excess function parameter 'ownnode' description in 'tipc_link_create'
../net/tipc/link.c:544: warning: Function parameter or member 'ownnode' not described in 'tipc_link_bc_create'
../net/tipc/link.c:544: warning: Function parameter or member 'peer' not described in 'tipc_link_bc_create'
../net/tipc/link.c:544: warning: Function parameter or member 'peer_id' not described in 'tipc_link_bc_create'
../net/tipc/link.c:544: warning: Function parameter or member 'peer_caps' not described in 'tipc_link_bc_create'
../net/tipc/link.c:544: warning: Function parameter or member 'bc_sndlink' not described in 'tipc_link_bc_create'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix kernel-doc warnings in bearer.c:
../net/tipc/bearer.c:77: warning: Function parameter or member 'name' not described in 'tipc_media_find'
../net/tipc/bearer.c:91: warning: Function parameter or member 'type' not described in 'media_find_id'
../net/tipc/bearer.c:105: warning: Function parameter or member 'buf' not described in 'tipc_media_addr_printf'
../net/tipc/bearer.c:105: warning: Function parameter or member 'len' not described in 'tipc_media_addr_printf'
../net/tipc/bearer.c:105: warning: Function parameter or member 'a' not described in 'tipc_media_addr_printf'
../net/tipc/bearer.c:174: warning: Function parameter or member 'net' not described in 'tipc_bearer_find'
../net/tipc/bearer.c:174: warning: Function parameter or member 'name' not described in 'tipc_bearer_find'
../net/tipc/bearer.c:238: warning: Function parameter or member 'net' not described in 'tipc_enable_bearer'
../net/tipc/bearer.c:238: warning: Function parameter or member 'name' not described in 'tipc_enable_bearer'
../net/tipc/bearer.c:238: warning: Function parameter or member 'disc_domain' not described in 'tipc_enable_bearer'
../net/tipc/bearer.c:238: warning: Function parameter or member 'prio' not described in 'tipc_enable_bearer'
../net/tipc/bearer.c:238: warning: Function parameter or member 'attr' not described in 'tipc_enable_bearer'
../net/tipc/bearer.c:350: warning: Function parameter or member 'net' not described in 'tipc_reset_bearer'
../net/tipc/bearer.c:350: warning: Function parameter or member 'b' not described in 'tipc_reset_bearer'
../net/tipc/bearer.c:374: warning: Function parameter or member 'net' not described in 'bearer_disable'
../net/tipc/bearer.c:374: warning: Function parameter or member 'b' not described in 'bearer_disable'
../net/tipc/bearer.c:462: warning: Function parameter or member 'net' not described in 'tipc_l2_send_msg'
../net/tipc/bearer.c:479: warning: Function parameter or member 'net' not described in 'tipc_l2_send_msg'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
kernel-doc and Sphinx fixes to eliminate lots of warnings
in preparation for adding to the networking docbook.
../net/tipc/crypto.c:57: warning: cannot understand function prototype: 'enum '
../net/tipc/crypto.c:69: warning: cannot understand function prototype: 'enum '
../net/tipc/crypto.c:130: warning: Function parameter or member 'tfm' not described in 'tipc_tfm'
../net/tipc/crypto.c:130: warning: Function parameter or member 'list' not described in 'tipc_tfm'
../net/tipc/crypto.c:172: warning: Function parameter or member 'stat' not described in 'tipc_crypto_stats'
../net/tipc/crypto.c:232: warning: Function parameter or member 'flags' not described in 'tipc_crypto'
../net/tipc/crypto.c:329: warning: Function parameter or member 'ukey' not described in 'tipc_aead_key_validate'
../net/tipc/crypto.c:329: warning: Function parameter or member 'info' not described in 'tipc_aead_key_validate'
../net/tipc/crypto.c:482: warning: Function parameter or member 'aead' not described in 'tipc_aead_tfm_next'
../net/tipc/trace.c:43: warning: cannot understand function prototype: 'unsigned long sysctl_tipc_sk_filter[5] __read_mostly = '
Documentation/networking/tipc:57: ../net/tipc/msg.c:584: WARNING: Unexpected indentation.
Documentation/networking/tipc:63: ../net/tipc/name_table.c:536: WARNING: Unexpected indentation.
Documentation/networking/tipc:63: ../net/tipc/name_table.c:537: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/networking/tipc:78: ../net/tipc/socket.c:3809: WARNING: Unexpected indentation.
Documentation/networking/tipc:78: ../net/tipc/socket.c:3807: WARNING: Inline strong start-string without end-string.
Documentation/networking/tipc:72: ../net/tipc/node.c:904: WARNING: Unexpected indentation.
Documentation/networking/tipc:39: ../net/tipc/crypto.c:97: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/networking/tipc:39: ../net/tipc/crypto.c:98: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/networking/tipc:39: ../net/tipc/crypto.c:141: WARNING: Inline strong start-string without end-string.
../net/tipc/discover.c:82: warning: Function parameter or member 'skb' not described in 'tipc_disc_init_msg'
../net/tipc/msg.c:69: warning: Function parameter or member 'gfp' not described in 'tipc_buf_acquire'
../net/tipc/msg.c:382: warning: Function parameter or member 'offset' not described in 'tipc_msg_build'
../net/tipc/msg.c:708: warning: Function parameter or member 'net' not described in 'tipc_msg_lookup_dest'
../net/tipc/subscr.c:65: warning: Function parameter or member 'seq' not described in 'tipc_sub_check_overlap'
../net/tipc/subscr.c:65: warning: Function parameter or member 'found_lower' not described in 'tipc_sub_check_overlap'
../net/tipc/subscr.c:65: warning: Function parameter or member 'found_upper' not described in 'tipc_sub_check_overlap'
../net/tipc/udp_media.c:75: warning: Function parameter or member 'proto' not described in 'udp_media_addr'
../net/tipc/udp_media.c:75: warning: Function parameter or member 'port' not described in 'udp_media_addr'
../net/tipc/udp_media.c:75: warning: Function parameter or member 'ipv4' not described in 'udp_media_addr'
../net/tipc/udp_media.c:75: warning: Function parameter or member 'ipv6' not described in 'udp_media_addr'
../net/tipc/udp_media.c:98: warning: Function parameter or member 'rcast' not described in 'udp_bearer'
Also fixed a typo of "duest" to "dest".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix tipc header files for adding to the networking docbook.
Remove some uses of "/**" that were not kernel-doc notation.
Fix some source formatting to eliminate Sphinx warnings.
Add missing struct member and function argument kernel-doc descriptions.
Correct the description of a couple of struct members that were
marked as "(FIXME)".
Documentation/networking/tipc:18: ../net/tipc/name_table.h:65: WARNING: Unexpected indentation.
Documentation/networking/tipc:18: ../net/tipc/name_table.h:66: WARNING: Block quote ends without a blank line; unexpected unindent.
../net/tipc/bearer.h:128: warning: Function parameter or member 'min_win' not described in 'tipc_media'
../net/tipc/bearer.h:128: warning: Function parameter or member 'max_win' not described in 'tipc_media'
../net/tipc/bearer.h:171: warning: Function parameter or member 'min_win' not described in 'tipc_bearer'
../net/tipc/bearer.h:171: warning: Function parameter or member 'max_win' not described in 'tipc_bearer'
../net/tipc/bearer.h:171: warning: Function parameter or member 'disc' not described in 'tipc_bearer'
../net/tipc/bearer.h:171: warning: Function parameter or member 'up' not described in 'tipc_bearer'
../net/tipc/bearer.h:171: warning: Function parameter or member 'refcnt' not described in 'tipc_bearer'
../net/tipc/name_distr.h:68: warning: Function parameter or member 'port' not described in 'distr_item'
../net/tipc/name_table.h:111: warning: Function parameter or member 'services' not described in 'name_table'
../net/tipc/name_table.h:111: warning: Function parameter or member 'cluster_scope_lock' not described in 'name_table'
../net/tipc/name_table.h:111: warning: Function parameter or member 'rc_dests' not described in 'name_table'
../net/tipc/name_table.h:111: warning: Function parameter or member 'snd_nxt' not described in 'name_table'
../net/tipc/subscr.h:67: warning: Function parameter or member 'kref' not described in 'tipc_subscription'
../net/tipc/subscr.h:67: warning: Function parameter or member 'net' not described in 'tipc_subscription'
../net/tipc/subscr.h:67: warning: Function parameter or member 'service_list' not described in 'tipc_subscription'
../net/tipc/subscr.h:67: warning: Function parameter or member 'conid' not described in 'tipc_subscription'
../net/tipc/subscr.h:67: warning: Function parameter or member 'inactive' not described in 'tipc_subscription'
../net/tipc/subscr.h:67: warning: Function parameter or member 'lock' not described in 'tipc_subscription'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In commit 682cd3cf946b6
("tipc: confgiure and apply UDP bearer MTU on running links"), we
introduced a function to change UDP bearer MTU and applied this new value
across existing per-link. However, we did not apply this new MTU value at
node level. This lead to packet dropped at link level if its size is
greater than new MTU value.
To fix this issue, we also apply this new MTU value for node level.
Fixes: 682cd3cf946b6 ("tipc: confgiure and apply UDP bearer MTU on running links")
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Link: https://lore.kernel.org/r/20201130025544.3602-1-hoang.h.le@dektech.com.au
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Drivers that support bridge offload need to be notified about changes to
the bridge's VLAN protocol so that they could react accordingly and
potentially veto the change.
Add a new switchdev attribute to communicate the change to drivers.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
