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3 Commits

Author SHA1 Message Date
Pranav Tyagi
dbcbec81c9 selftests: net: fix grammar in reuseaddr_ports_exhausted.c log message 
This patch fixes a grammatical error in a test log message
in reuseaddr_ports_exhausted.c for better clarity.

Signed-off-by: Pranav Tyagi <pranav.tyagi03@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250213152612.4434-1-pranav.tyagi03@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-02-17 16:34:36 -08:00
Carlos Llamas
81f711d67a selftests/net: fix warnings on reuseaddr_ports_exhausted 
Fix multiple warnings seen with gcc 10.2.1:
reuseaddr_ports_exhausted.c:32:41: warning: missing braces around initializer [-Wmissing-braces]
   32 | struct reuse_opts unreusable_opts[12] = {
      |                                         ^
   33 |  {0, 0, 0, 0},
      |   {   } {   }

Fixes: 7f204a7de8 ("selftests: net: Add SO_REUSEADDR test to check if 4-tuples are fully utilized.")
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2021-03-16 15:01:21 -07:00
Kuniyuki Iwashima
7f204a7de8 selftests: net: Add SO_REUSEADDR test to check if 4-tuples are fully utilized. 
This commit adds a test to check if we can fully utilize 4-tuples for
connect() when all ephemeral ports are exhausted.

The test program changes the local port range to use only one port and binds
two sockets with or without SO_REUSEADDR and SO_REUSEPORT, and with the same
EUID or with different EUIDs, then do listen().

We should be able to bind only one socket having both SO_REUSEADDR and
SO_REUSEPORT per EUID, which restriction is to prevent unintentional
listen().

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2020-03-12 12:08:09 -07:00