#
c3718936 |
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23-Feb-2024 |
Eric Dumazet <edumazet@google.com> |
ipv6: anycast: complete RCU handling of struct ifacaddr6 struct ifacaddr6 are already freed after RCU grace period. Add __rcu qualifier to aca_next pointer, and idev->ac_list Add relevant rcu_assign_pointer() and dereference accessors. ipv6_chk_acast_dev() no longer needs to acquire idev->lock. /proc/net/anycast6 is now purely RCU protected, it no longer acquires idev->lock. Similarly in6_dump_addrs() can use RCU protection to iterate through anycast addresses. It was relying on a mixture of RCU and RTNL but next patches will get rid of RTNL there. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20240223201054.220534-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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#
7f6c4039 |
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25-Jul-2023 |
Hangbin Liu <liuhangbin@gmail.com> |
IPv6: add extack info for IPv6 address add/delete Add extack info for IPv6 address add/delete, which would be useful for users to understand the problem without having to read kernel code. Suggested-by: Beniamino Galvani <bgalvani@redhat.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
8c0de6e9 |
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25-Jul-2020 |
Cong Wang <xiyou.wangcong@gmail.com> |
ipv6: fix memory leaks on IPV6_ADDRFORM path IPV6_ADDRFORM causes resource leaks when converting an IPv6 socket to IPv4, particularly struct ipv6_ac_socklist. Similar to struct ipv6_mc_socklist, we should just close it on this path. This bug can be easily reproduced with the following C program: #include <stdio.h> #include <string.h> #include <sys/types.h> #include <sys/socket.h> #include <arpa/inet.h> int main() { int s, value; struct sockaddr_in6 addr; struct ipv6_mreq m6; s = socket(AF_INET6, SOCK_DGRAM, 0); addr.sin6_family = AF_INET6; addr.sin6_port = htons(5000); inet_pton(AF_INET6, "::ffff:192.168.122.194", &addr.sin6_addr); connect(s, (struct sockaddr *)&addr, sizeof(addr)); inet_pton(AF_INET6, "fe80::AAAA", &m6.ipv6mr_multiaddr); m6.ipv6mr_interface = 5; setsockopt(s, SOL_IPV6, IPV6_JOIN_ANYCAST, &m6, sizeof(m6)); value = AF_INET; setsockopt(s, SOL_IPV6, IPV6_ADDRFORM, &value, sizeof(value)); close(s); return 0; } Reported-by: ch3332xr@gmail.com Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
11dd74b3 |
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27-Apr-2020 |
Roopa Prabhu <roopa@cumulusnetworks.com> |
net: ipv6: new arg skip_notify to ip6_rt_del Used in subsequent work to skip route delete notifications on nexthop deletes. Suggested-by: David Ahern <dsahern@gmail.com> Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
2874c5fd |
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27-May-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
1c51dc9a |
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07-Nov-2018 |
Li RongQing <lirongqing@baidu.com> |
net/ipv6: compute anycast address hash only if dev is null avoid to compute the hash value if dev is not null, since hash value is not used Signed-off-by: Li RongQing <lirongqing@baidu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
6915ed86 |
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05-Nov-2018 |
Jeff Barnhill <0xeffeff@gmail.com> |
net/ipv6: Move anycast init/cleanup functions out of CONFIG_PROC_FS Move the anycast.c init and cleanup functions which were inadvertently added inside the CONFIG_PROC_FS definition. Fixes: 2384d02520ff ("net/ipv6: Add anycast addresses to a global hashtable") Signed-off-by: Jeff Barnhill <0xeffeff@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
2384d025 |
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02-Nov-2018 |
Jeff Barnhill <0xeffeff@gmail.com> |
net/ipv6: Add anycast addresses to a global hashtable icmp6_send() function is expensive on systems with a large number of interfaces. Every time it’s called, it has to verify that the source address does not correspond to an existing anycast address by looping through every device and every anycast address on the device. This can result in significant delays for a CPU when there are a large number of neighbors and ND timers are frequently timing out and calling neigh_invalidate(). Add anycast addresses to a global hashtable to allow quick searching for matching anycast addresses. This is based on inet6_addr_lst in addrconf.c. Signed-off-by: Jeff Barnhill <0xeffeff@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
c3506372 |
|
10-Apr-2018 |
Christoph Hellwig <hch@lst.de> |
proc: introduce proc_create_net{,_data} Variants of proc_create{,_data} that directly take a struct seq_operations and deal with network namespaces in ->open and ->release. All callers of proc_create + seq_open_net converted over, and seq_{open,release}_net are removed entirely. Signed-off-by: Christoph Hellwig <hch@lst.de>
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#
9ee8cbb2 |
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18-Apr-2018 |
David Ahern <dsahern@gmail.com> |
net/ipv6: Remove aca_idev aca_idev has only 1 user - inet6_fill_ifacaddr - and it only wants the device index which can be extracted from the fib6_info nexthop. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
360a9887 |
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18-Apr-2018 |
David Ahern <dsahern@gmail.com> |
net/ipv6: Rename addrconf_dst_alloc addrconf_dst_alloc now returns a fib6_info. Update the name and its users to reflect the change. Rename only; no functional change intended. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
93c2fb25 |
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18-Apr-2018 |
David Ahern <dsahern@gmail.com> |
net/ipv6: Rename fib6_info struct elements Change the prefix for fib6_info struct elements from rt6i_ to fib6_. rt6i_pcpu and rt6i_exception_bucket are left as is given that they point to rt6_info entries. Rename only; not functional change intended. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
8d1c802b |
|
17-Apr-2018 |
David Ahern <dsahern@gmail.com> |
net/ipv6: Flip FIB entries to fib6_info Convert all code paths referencing a FIB entry from rt6_info to fib6_info. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
93531c67 |
|
17-Apr-2018 |
David Ahern <dsahern@gmail.com> |
net/ipv6: separate handling of FIB entries from dst based routes Last step before flipping the data type for FIB entries: - use fib6_info_alloc to create FIB entries in ip6_route_info_create and addrconf_dst_alloc - use fib6_info_release in place of dst_release, ip6_rt_put and rt6_release - remove the dst_hold before calling __ip6_ins_rt or ip6_del_rt - when purging routes, drop per-cpu routes - replace inc and dec of rt6i_ref with fib6_info_hold and fib6_info_release - use rt->from since it points to the FIB entry - drop references to exception bucket, fib6_metrics and per-cpu from dst entries (those are relevant for fib entries only) Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
acb54e3c |
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17-Apr-2018 |
David Ahern <dsahern@gmail.com> |
net/ipv6: Add gfp_flags to route add functions Most FIB entries can be added using memory allocated with GFP_KERNEL. Add gfp_flags to ip6_route_add and addrconf_dst_alloc. Code paths that can be reached from the packet path (e.g., ndisc and autoconfig) or atomic notifiers use GFP_ATOMIC; paths from user context (adding addresses and routes) use GFP_KERNEL. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
afb1d4b5 |
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17-Apr-2018 |
David Ahern <dsahern@gmail.com> |
net/ipv6: Pass net namespace to route functions Pass network namespace reference into route add, delete and get functions. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
d6444062 |
|
23-Mar-2018 |
Joe Perches <joe@perches.com> |
net: Use octal not symbolic permissions Prefer the direct use of octal for permissions. Done with checkpatch -f --types=SYMBOLIC_PERMS --fix-inplace and some typing. Miscellanea: o Whitespace neatening around these conversions. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
232378e8 |
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13-Mar-2018 |
David Ahern <dsahern@gmail.com> |
net/ipv6: Change address check to always take a device argument ipv6_chk_addr_and_flags determines if an address is a local address and optionally if it is an address on a specific device. For example, it is called by ip6_route_info_create to determine if a given gateway address is a local address. The address check currently does not consider L3 domains and as a result does not allow a route to be added in one VRF if the nexthop points to an address in a second VRF. e.g., $ ip route add 2001:db8:1::/64 vrf r2 via 2001:db8:102::23 Error: Invalid gateway address. where 2001:db8:102::23 is an address on an interface in vrf r1. ipv6_chk_addr_and_flags needs to allow callers to always pass in a device with a separate argument to not limit the address to the specific device. The device is used used to determine the L3 domain of interest. To that end add an argument to skip the device check and update callers to always pass a device where possible and use the new argument to mean any address in the domain. Update a handful of users of ipv6_chk_addr with a NULL dev argument. This patch handles the change to these callers without adding the domain check. ip6_validate_gw needs to handle 2 cases - one where the device is given as part of the nexthop spec and the other where the device is resolved. There is at least 1 VRF case where deferring the check to only after the route lookup has resolved the device fails with an unintuitive error "RTNETLINK answers: No route to host" as opposed to the preferred "Error: Gateway can not be a local address." The 'no route to host' error is because of the fallback to a full lookup. The check is done twice to avoid this error. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
b75cc8f9 |
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02-Mar-2018 |
David Ahern <dsahern@gmail.com> |
net/ipv6: Pass skb to route lookup IPv6 does path selection for multipath routes deep in the lookup functions. The next patch adds L4 hash option and needs the skb for the forward path. To get the skb to the relevant FIB lookup functions it needs to go through the fib rules layer, so add a lookup_data argument to the fib_lookup_arg struct. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
82695b30 |
|
27-Feb-2018 |
Stephen Hemminger <stephen@networkplumber.org> |
inet: whitespace cleanup Ran simple script to find/remove trailing whitespace and blank lines at EOF because that kind of stuff git whines about and editors leave behind. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
96890d62 |
|
15-Jan-2018 |
Alexey Dobriyan <adobriyan@gmail.com> |
net: delete /proc THIS_MODULE references /proc has been ignoring struct file_operations::owner field for 10 years. Specifically, it started with commit 786d7e1612f0b0adb6046f19b906609e4fe8b1ba ("Fix rmmod/read/write races in /proc entries"). Notice the chunk where inode->i_fop is initialized with proxy struct file_operations for regular files: - if (de->proc_fops) - inode->i_fop = de->proc_fops; + if (de->proc_fops) { + if (S_ISREG(inode->i_mode)) + inode->i_fop = &proc_reg_file_ops; + else + inode->i_fop = de->proc_fops; + } VFS stopped pinning module at this point. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
affa78bc |
|
04-Jul-2017 |
Reshetova, Elena <elena.reshetova@intel.com> |
net, ipv6: convert ifacaddr6.aca_refcnt from atomic_t to refcount_t refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
63159f29 |
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29-Mar-2015 |
Ian Morris <ipm@chirality.org.uk> |
ipv6: coding style: comparison for equality with NULL The ipv6 code uses a mixture of coding styles. In some instances check for NULL pointer is done as x == NULL and sometimes as !x. !x is preferred according to checkpatch and this patch makes the code consistent by adopting the latter form. No changes detected by objdiff. Signed-off-by: Ian Morris <ipm@chirality.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
c4a6853d |
|
20-Mar-2015 |
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> |
ipv6: invert join/leave anycast rtnl/socket locking order Commit baf606d9c9b1 ("ipv4,ipv6: grab rtnl before locking the socket") missed to update two setsockopt options, IPV6_JOIN_ANYCAST and IPV6_LEAVE_ANYCAST, causing a lock inverstion regarding to the updated ones. As ipv6_sock_ac_join and ipv6_sock_ac_leave are only called from do_ipv6_setsockopt, we are good to just move the rtnl lock upper. Fixes: baf606d9c9b1 ("ipv4,ipv6: grab rtnl before locking the socket") Reported-by: Ying Huang <ying.huang@intel.com> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
02ea8074 |
|
10-Oct-2014 |
Li RongQing <roy.qing.li@gmail.com> |
ipv6: remove aca_lock spinlock from struct ifacaddr6 no user uses this lock. Signed-off-by: Li RongQing <roy.qing.li@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
83aa29ee |
|
11-Sep-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
ipv6: refactor __ipv6_dev_ac_inc() Refactor out allocation and initialization and make the refcount code more readable. Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
013b4d90 |
|
11-Sep-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
ipv6: clean up ipv6_dev_ac_inc() Make it accept inet6_dev, and rename it to __ipv6_dev_ac_inc() to reflect this change. Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
b03a9c04 |
|
11-Sep-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
ipv6: remove ipv6_sk_ac_lock Just move rtnl lock up, so that the anycast list can be protected by rtnl lock now. Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
6c555490 |
|
11-Sep-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
ipv6: drop useless rcu_read_lock() in anycast These code is now protected by rtnl lock, rcu read lock is useless now. Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
381f4dca |
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10-Sep-2014 |
Sabrina Dubroca <sd@queasysnail.net> |
ipv6: clean up anycast when an interface is destroyed If we try to rmmod the driver for an interface while sockets with setsockopt(JOIN_ANYCAST) are alive, some refcounts aren't cleaned up and we get stuck on: unregister_netdevice: waiting for ens3 to become free. Usage count = 1 If we LEAVE_ANYCAST/close everything before rmmod'ing, there is no problem. We need to perform a cleanup similar to the one for multicast in addrconf_ifdown(how == 1). Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
de185ab4 |
|
05-Sep-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
ipv6: restore the behavior of ipv6_sock_ac_drop() It is possible that the interface is already gone after joining the list of anycast on this interface as we don't hold a refcount for the device, in this case we are safe to ignore the error. What's more important, for API compatibility we should not change this behavior for applications even if it were correct. Fixes: commit a9ed4a2986e13011 ("ipv6: fix rtnl locking in setsockopt for anycast and multicast") Cc: Sabrina Dubroca <sd@queasysnail.net> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
a9ed4a29 |
|
02-Sep-2014 |
Sabrina Dubroca <sd@queasysnail.net> |
ipv6: fix rtnl locking in setsockopt for anycast and multicast Calling setsockopt with IPV6_JOIN_ANYCAST or IPV6_LEAVE_ANYCAST triggers the assertion in addrconf_join_solict()/addrconf_leave_solict() ipv6_sock_ac_join(), ipv6_sock_ac_drop(), ipv6_sock_ac_close() need to take RTNL before calling ipv6_dev_ac_inc/dec. Same thing with ipv6_sock_mc_join(), ipv6_sock_mc_drop(), ipv6_sock_mc_close() before calling ipv6_dev_mc_inc/dec. This patch moves ASSERT_RTNL() up a level in the call stack. Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Reported-by: Tommi Rantala <tt.rantala@gmail.com> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
7c90cc2d |
|
21-Jan-2014 |
FX Le Bail <fx.lebail@yahoo.com> |
ipv6: enable anycast addresses as source addresses for datagrams This change allows to consider an anycast address valid as source address when given via an IPV6_PKTINFO or IPV6_2292PKTINFO ancillary data item. So, when sending a datagram with ancillary data, the unicast and anycast addresses are handled in the same way. - Adds ipv6_chk_acast_addr_src() to check if an anycast address is link-local on given interface or is global. - Uses it in ip6_datagram_send_ctl(). Signed-off-by: Francois-Xavier Le Bail <fx.lebail@yahoo.com> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
ece31ffd |
|
17-Feb-2013 |
Gao feng <gaofeng@cn.fujitsu.com> |
net: proc: change proc_net_remove to remove_proc_entry proc_net_remove is only used to remove proc entries that under /proc/net,it's not a general function for removing proc entries of netns. if we want to remove some proc entries which under /proc/net/stat/, we still need to call remove_proc_entry. this patch use remove_proc_entry to replace proc_net_remove. we can remove proc_net_remove after this patch. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
d4beaa66 |
|
17-Feb-2013 |
Gao feng <gaofeng@cn.fujitsu.com> |
net: proc: change proc_net_fops_create to proc_create Right now, some modules such as bonding use proc_create to create proc entries under /proc/net/, and other modules such as ipv4 use proc_net_fops_create. It looks a little chaos.this patch changes all of proc_net_fops_create to proc_create. we can remove proc_net_fops_create after this patch. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
c33e7b05 |
|
30-Jan-2013 |
YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org> |
ipv6 anycast: Convert ipv6_sk_ac_lock to spinlock. Since all users are write-lock, it does not make sense to use rwlock here. Use simple spinlock. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
0e1efe9d |
|
05-Dec-2012 |
Eric Dumazet <edumazet@google.com> |
ipv6: avoid taking locks at socket dismantle ipv6_sock_mc_close() is called for ipv6 sockets at close time, and most of them don't use multicast. Add a test to avoid contention on a shared spinlock. Same heuristic applies for ipv6_sock_ac_close(), to avoid contention on a shared rwlock. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
af31f412 |
|
15-Nov-2012 |
Eric W. Biederman <ebiederm@xmission.com> |
net: Allow userns root to control ipv6 Allow an unpriviled user who has created a user namespace, and then created a network namespace to effectively use the new network namespace, by reducing capable(CAP_NET_ADMIN) and capable(CAP_NET_RAW) calls to be ns_capable(net->user_ns, CAP_NET_ADMIN), or capable(net->user_ns, CAP_NET_RAW) calls. Settings that merely control a single network device are allowed. Either the network device is a logical network device where restrictions make no difference or the network device is hardware NIC that has been explicity moved from the initial network namespace. In general policy and network stack state changes are allowed while resource control is left unchanged. Allow the SIOCSIFADDR ioctl to add ipv6 addresses. Allow the SIOCDIFADDR ioctl to delete ipv6 addresses. Allow the SIOCADDRT ioctl to add ipv6 routes. Allow the SIOCDELRT ioctl to delete ipv6 routes. Allow creation of ipv6 raw sockets. Allow setting the IPV6_JOIN_ANYCAST socket option. Allow setting the IPV6_FL_A_RENEW parameter of the IPV6_FLOWLABEL_MGR socket option. Allow setting the IPV6_TRANSPARENT socket option. Allow setting the IPV6_HOPOPTS socket option. Allow setting the IPV6_RTHDRDSTOPTS socket option. Allow setting the IPV6_DSTOPTS socket option. Allow setting the IPV6_IPSEC_POLICY socket option. Allow setting the IPV6_XFRM_POLICY socket option. Allow sending packets with the IPV6_2292HOPOPTS control message. Allow sending packets with the IPV6_2292DSTOPTS control message. Allow sending packets with the IPV6_RTHDRDSTOPTS control message. Allow setting the multicast routing socket options on non multicast routing sockets. Allow the SIOCADDTUNNEL, SIOCCHGTUNNEL, and SIOCDELTUNNEL ioctls for setting up, changing and deleting tunnels over ipv6. Allow the SIOCADDTUNNEL, SIOCCHGTUNNEL, SIOCDELTUNNEL ioctls for setting up, changing and deleting ipv6 over ipv4 tunnels. Allow the SIOCADDPRL, SIOCDELPRL, SIOCCHGPRL ioctls for adding, deleting, and changing the potential router list for ISATAP tunnels. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
94e187c0 |
|
28-Oct-2012 |
Amerigo Wang <amwang@redhat.com> |
ipv6: introduce ip6_rt_put() As suggested by Eric, we could introduce a helper function for ipv6 too, to avoid checking if rt is NULL before dst_release(). Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
a50feda5 |
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18-May-2012 |
Eric Dumazet <edumazet@google.com> |
ipv6: bool/const conversions phase2 Mostly bool conversions, some inline removals and const additions. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
f79d52c2 |
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01-Feb-2012 |
David S. Miller <davem@davemloft.net> |
ipv6: Remove never used function inet6_ac_check(). It went from unused, to commented out, and never changing after that. Just get rid of it, if someone wants it they can unearth it from the history. Signed-off-by: David S. Miller <davem@davemloft.net>
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#
d1918542 |
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28-Dec-2011 |
David S. Miller <davem@davemloft.net> |
ipv6: Kill rt6i_dev and rt6i_expires defines. It just obscures that the netdevice pointer and the expires value are implemented in the dst_entry sub-object of the ipv6 route. And it makes grepping for dst_entry member uses much harder too. Signed-off-by: David S. Miller <davem@davemloft.net>
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#
8f031519 |
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06-Dec-2011 |
David S. Miller <davem@davemloft.net> |
ipv6: Make third arg to anycast_dst_alloc() bool. Signed-off-by: David S. Miller <davem@davemloft.net>
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#
4e3fd7a0 |
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20-Nov-2011 |
Alexey Dobriyan <adobriyan@gmail.com> |
net: remove ipv6_addr_copy() C assignment can handle struct in6_addr copying. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
b71d1d42 |
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21-Apr-2011 |
Eric Dumazet <eric.dumazet@gmail.com> |
inet: constify ip headers and in6_addr Add const qualifiers to structs iphdr, ipv6hdr and in6_addr pointers where possible, to make code intention more obvious. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
d8d1f30b |
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11-Jun-2010 |
Changli Gao <xiaosuo@gmail.com> |
net-next: remove useless union keyword remove useless union keyword in rtable, rt6_info and dn_route. Since there is only one member in a union, the union keyword isn't useful. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
bb69ae04 |
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07-Jun-2010 |
Eric Dumazet <eric.dumazet@gmail.com> |
anycast: Some RCU conversions - dev_get_by_flags() changed to dev_get_by_flags_rcu() - ipv6_sock_ac_join() dont touch dev & idev refcounts - ipv6_sock_ac_drop() dont touch dev & idev refcounts - ipv6_sock_ac_close() dont touch dev & idev refcounts - ipv6_dev_ac_dec() dount touch idev refcount - ipv6_chk_acast_addr() dont touch idev refcount Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
5a0e3ad6 |
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24-Mar-2010 |
Tejun Heo <tj@kernel.org> |
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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#
2c8c1e72 |
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16-Jan-2010 |
Alexey Dobriyan <adobriyan@gmail.com> |
net: spread __net_init, __net_exit __net_init/__net_exit are apparently not going away, so use them to full extent. In some cases __net_init was removed, because it was called from __net_exit code. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
ce81b76a |
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11-Nov-2009 |
Eric Dumazet <eric.dumazet@gmail.com> |
ipv6: use RCU to walk list of network devices No longer need read_lock(&dev_base_lock), use RCU instead. We also can avoid taking references on inet6_dev structs. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
c6d14c84 |
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04-Nov-2009 |
Eric Dumazet <eric.dumazet@gmail.com> |
net: Introduce for_each_netdev_rcu() iterator Adds RCU management to the list of netdevices. Convert some for_each_netdev() users to RCU version, if it can avoid read_lock-ing dev_base_lock Ie: read_lock(&dev_base_loack); for_each_netdev(net, dev) some_action(); read_unlock(&dev_base_lock); becomes : rcu_read_lock(); for_each_netdev_rcu(net, dev) some_action(); rcu_read_unlock(); Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
4b7a4274 |
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29-Oct-2008 |
Harvey Harrison <harvey.harrison@gmail.com> |
net: replace %#p6 format specifier with %pi6 gcc warns when using the # modifier with the %p format specifier, so we can't use this to omit the colons when needed, introduces %pi6 instead. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
b071195d |
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28-Oct-2008 |
Harvey Harrison <harvey.harrison@gmail.com> |
net: replace all current users of NIP6_SEQFMT with %#p6 The define in kernel.h can be done away with at a later time. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
53b7997f |
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19-Jul-2008 |
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> |
ipv6 netns: Make several "global" sysctl variables namespace aware. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
84f59370 |
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03-Apr-2008 |
Denis V. Lunev <den@openvz.org> |
[IPV6]: Fix refcounting for anycast dst entries. Anycast DST entries allocated inside ipv6_dev_ac_inc are leaked when network device is stopped without removing IPv6 addresses from it. The bug has been observed in the reality on 2.6.18-rhel5 kernel. In the above case addrconf_ifdown marks all entries as obsolete and ip6_del_rt called from __ipv6_dev_ac_dec returns ENOENT. The referrence is not dropped. The fix is simple. DST entry should not keep referrence when stored in the FIB6 tree. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
52eeeb84 |
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15-Mar-2008 |
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> |
[IPV6]: Unify ip6_onlink() and ipip6_onlink(). Both are identical, let's create ipv6_chk_prefix() and use it in both places.
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#
6ab57e7e |
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26-Mar-2008 |
Daniel Lezcano <dlezcano@fr.ibm.com> |
[NETNS][IPV6] anycast - handle several network namespace Make use of the network namespace information to have this protocol to handle several network namespace. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
606a2b48 |
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04-Mar-2008 |
Daniel Lezcano <dlezcano@fr.ibm.com> |
[NETNS][IPV6] route6 - Pass the network namespace parameter to rt6_lookup Add a network namespace parameter to rt6_lookup(). Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
bfeade08 |
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10-Jan-2008 |
Daniel Lezcano <dlezcano@fr.ibm.com> |
[NETNS][IPV6]: inet6_addr - check ipv6 address per namespace When a new address is added, we must check if the new address does not already exists. This patch makes this check to be aware of a network namespace, so the check will look if the address already exists for the specified network namespace. While the addresses are browsed, the addresses which do not belong to the namespace are discarded. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
9a429c49 |
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01-Jan-2008 |
Eric Dumazet <dada1@cosmosbay.com> |
[NET]: Add some acquires/releases sparse annotations. Add __acquires() and __releases() annotations to suppress some sparse warnings. example of warnings : net/ipv4/udp.c:1555:14: warning: context imbalance in 'udp_seq_start' - wrong count at exit net/ipv4/udp.c:1571:13: warning: context imbalance in 'udp_seq_stop' - unexpected unlock Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
cf7732e4 |
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10-Oct-2007 |
Pavel Emelyanov <xemul@openvz.org> |
[NET]: Make core networking code use seq_open_private This concerns the ipv4 and ipv6 code mostly, but also the netlink and unix sockets. The netlink code is an example of how to use the __seq_open_private() call - it saves the net namespace on this private. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
cfcabdcc |
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09-Oct-2007 |
Stephen Hemminger <shemminger@linux-foundation.org> |
[NET]: sparse warning fixes Fix a bunch of sparse warnings. Mostly about 0 used as NULL pointer, and shadowed variable declarations. One notable case was that hash size should have been unsigned. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
881d966b |
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17-Sep-2007 |
Eric W. Biederman <ebiederm@xmission.com> |
[NET]: Make the device list and device lookups per namespace. This patch makes most of the generic device layer network namespace safe. This patch makes dev_base_head a network namespace variable, and then it picks up a few associated variables. The functions: dev_getbyhwaddr dev_getfirsthwbytype dev_get_by_flags dev_get_by_name __dev_get_by_name dev_get_by_index __dev_get_by_index dev_ioctl dev_ethtool dev_load wireless_process_ioctl were modified to take a network namespace argument, and deal with it. vlan_ioctl_set and brioctl_set were modified so their hooks will receive a network namespace argument. So basically anthing in the core of the network stack that was affected to by the change of dev_base was modified to handle multiple network namespaces. The rest of the network stack was simply modified to explicitly use &init_net the initial network namespace. This can be fixed when those components of the network stack are modified to handle multiple network namespaces. For now the ifindex generator is left global. Fundametally ifindex numbers are per namespace, or else we will have corner case problems with migration when we get that far. At the same time there are assumptions in the network stack that the ifindex of a network device won't change. Making the ifindex number global seems a good compromise until the network stack can cope with ifindex changes when you change namespaces, and the like. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
457c4cbc |
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11-Sep-2007 |
Eric W. Biederman <ebiederm@xmission.com> |
[NET]: Make /proc/net per network namespace This patch makes /proc/net per network namespace. It modifies the global variables proc_net and proc_net_stat to be per network namespace. The proc_net file helpers are modified to take a network namespace argument, and all of their callers are fixed to pass &init_net for that argument. This ensures that all of the /proc/net files are only visible and usable in the initial network namespace until the code behind them has been updated to be handle multiple network namespaces. Making /proc/net per namespace is necessary as at least some files in /proc/net depend upon the set of network devices which is per network namespace, and even more files in /proc/net have contents that are relevant to a single network namespace. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
56b3d975 |
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11-Jul-2007 |
Philippe De Muyter <phdm@macqel.be> |
[NET]: Make all initialized struct seq_operations const. Make all initialized struct seq_operations in net/ const Signed-off-by: Philippe De Muyter <phdm@macqel.be> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
7562f876 |
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03-May-2007 |
Pavel Emelianov <xemul@openvz.org> |
[NET]: Rework dev_base via list_head (v3) Cleanup of dev_base list use, with the aim to simplify making device list per-namespace. In almost every occasion, use of dev_base variable and dev->next pointer could be easily replaced by for_each_netdev loop. A few most complicated places were converted to using first_netdev()/next_netdev(). Signed-off-by: Pavel Emelianov <xemul@openvz.org> Acked-by: Kirill Korotaev <dev@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
aa6e4a96 |
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26-Feb-2007 |
David Stevens <dlstevens@us.ibm.com> |
[IPV6]: /proc/net/anycast6 unbalanced inet6_dev refcnt Reading /proc/net/anycast6 when there is no anycast address on an interface results in an ever-increasing inet6_dev reference count, as well as a reference to the netdevice you can't get rid of. Signed-off-by: David S. Miller <davem@davemloft.net>
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#
cd354f1a |
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14-Feb-2007 |
Tim Schmielau <tim@physik3.uni-rostock.de> |
[PATCH] remove many unneeded #includes of sched.h After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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#
9a32144e |
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12-Feb-2007 |
Arjan van de Ven <arjan@linux.intel.com> |
[PATCH] mark struct file_operations const 7 Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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#
1ab1457c |
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09-Feb-2007 |
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> |
[NET] IPV6: Fix whitespace errors. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
8814c4b5 |
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22-Sep-2006 |
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> |
[IPV6] ADDRCONF: Convert addrconf_lock to RCU. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
72d3b2c9 |
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22-Aug-2006 |
David S. Miller <davem@sunset.davemloft.net> |
[IPV6]: Fixup ip6_del_rt() call for new args. Signed-off-by: David S. Miller <davem@davemloft.net>
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#
40e22e8f |
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22-Aug-2006 |
Thomas Graf <tgraf@suug.ch> |
[IPv6] route: Simplify ip6_ins_rt() Provide a simple ip6_ins_rt() for the majority of users and an alternative for the exception via netlink. Avoids code obfuscation. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
6ab3d562 |
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30-Jun-2006 |
Jörn Engel <joern@wohnheim.fh-wedel.de> |
Remove obsolete #include <linux/config.h> Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
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#
0c600eda |
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21-Mar-2006 |
Ingo Oeser <ioe-lkml@rameria.de> |
[IPV6]: Nearly complete kzalloc cleanup for net/ipv6 Stupidly use kzalloc() instead of kmalloc()/memset() everywhere where this is possible in net/ipv6/*.c . Signed-off-by: Ingo Oeser <ioe-lkml@rameria.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
9343e79a |
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17-Jan-2006 |
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> |
[IPV6]: Preserve procfs IPV6 address output format Procfs always output IPV6 addresses without the colon characters, and we cannot change that. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
46b86a2d |
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13-Jan-2006 |
Joe Perches <joe@perches.com> |
[NET]: Use NIP6_FMT in kernel.h There are errors and inconsistency in the display of NIP6 strings. ie: net/ipv6/ip6_flowlabel.c There are errors and inconsistency in the display of NIPQUAD strings too. ie: net/netfilter/nf_conntrack_ftp.c This patch: adds NIP6_FMT to kernel.h changes all code to use NIP6_FMT fixes net/ipv6/ip6_flowlabel.c adds NIPQUAD_FMT to kernel.h fixes net/netfilter/nf_conntrack_ftp.c changes a few uses of "%u.%u.%u.%u" to NIPQUAD_FMT for symmetry to NIP6_FMT Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
4fc268d2 |
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11-Jan-2006 |
Randy Dunlap <rdunlap@infradead.org> |
[PATCH] capable/capability.h (net/) net: Use <linux/capability.h> where capable() is used. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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#
0d51aa80 |
|
21-Jun-2005 |
Jamal Hadi Salim <hadi@cyberus.ca> |
[IPV6]: V6 route events reported with wrong netlink PID and seq number Essentially netlink at the moment always reports a pid and sequence of 0 always for v6 route activities. To understand the repurcassions of this look at: http://lists.quagga.net/pipermail/quagga-dev/2005-June/003507.html While fixing this, i took the liberty to resolve the outstanding issue of IPV6 routes inserted via ioctls to have the correct pids as well. This patch tries to behave as close as possible to the v4 routes i.e maintains whatever PID the socket issuing the command owns as opposed to the process. That made the patch a little bulky. I have tested against both netlink derived utility to add/del routes as well as ioctl derived one. The Quagga folks have tested against quagga. This fixes the problem and so far hasnt been detected to introduce any new issues. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
1da177e4 |
|
16-Apr-2005 |
Linus Torvalds <torvalds@ppc970.osdl.org> |
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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