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linux/net/mptcp
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Eric Dumazet f5f80e32de ipv6: remove hard coded limitation on ipv6_pinfo 
IPv6 inet sockets are supposed to have a "struct ipv6_pinfo"
field at the end of their definition, so that inet6_sk_generic()
can derive from socket size the offset of the "struct ipv6_pinfo".

This is very fragile, and prevents adding bigger alignment
in sockets, because inet6_sk_generic() does not work
if the compiler adds padding after the ipv6_pinfo component.

We are currently working on a patch series to reorganize
TCP structures for better data locality and found issues
similar to the one fixed in commit f5d547676c
("tcp: fix tcp_inet6_sk() for 32bit kernels")

Alternative would be to force an alignment on "struct ipv6_pinfo",
greater or equal to __alignof__(any ipv6 sock) to ensure there is
no padding. This does not look great.

v2: fix typo in mptcp_proto_v6_init() (Paolo)

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Chao Wu <wwchao@google.com>
Cc: Wei Wang <weiwan@google.com>
Cc: Coco Li <lixiaoyan@google.com>
Cc: YiFei Zhu <zhuyifei@google.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-07-24 09:39:31 +01:00
..
bpf.c bpf: Add bpf_skc_to_mptcp_sock_proto 2022-05-20 15:29:00 -07:00
crypto.c kunit: mptcp: adhere to KUNIT formatting standard 2021-04-16 17:10:40 -07:00
crypto_test.c
ctrl.c mptcp: Add a per-namespace sysctl to set the default path manager type 2022-04-29 17:25:14 -07:00
diag.c
fastopen.c mptcp: fix NULL pointer dereference on fastopen early fallback 2023-04-13 09:58:55 -07:00
Kconfig kunit: mptcp: adhere to KUNIT formatting standard 2021-04-16 17:10:40 -07:00
Makefile mptcp: implement delayed seq generation for passive fastopen 2022-11-29 20:24:25 -08:00
mib.c mptcp: introduces more address related mibs 2023-05-18 20:06:32 -07:00
mib.h mptcp: introduces more address related mibs 2023-05-18 20:06:32 -07:00
mptcp_diag.c tcp: Access &tcp_hashinfo via net. 2022-09-20 10:21:49 -07:00
options.c mptcp: track some aggregate data counters 2023-06-21 22:45:57 -07:00
pm.c mptcp: unify pm set_flags interfaces 2023-06-10 00:05:59 -07:00
pm_netlink.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-06-22 18:40:38 -07:00
pm_userspace.c mptcp: pass addr to mptcp_pm_alloc_anno_list 2023-06-21 22:45:58 -07:00
protocol.c ipv6: remove hard coded limitation on ipv6_pinfo 2023-07-24 09:39:31 +01:00
protocol.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-06-22 18:40:38 -07:00
sockopt.c mptcp: introduce MPTCP_FULL_INFO getsockopt 2023-06-21 22:45:57 -07:00
subflow.c Networking changes for 6.5. 2023-06-28 16:43:10 -07:00
syncookies.c mptcp: don't return sockets in foreign netns 2021-09-24 10:51:36 +01:00
token.c mptcp: add statistics for mptcp socket in use 2023-01-09 07:30:50 +00:00
token_test.c mptcp: init sk->sk_prot in build_msk() 2023-01-09 07:30:50 +00:00