selftests/bpf: add missing header include for htons

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[ Upstream commit bc9b3fb827 ]

Including the network_helpers.h header in tests can lead to the following
build error:

./network_helpers.h: In function ‘csum_tcpudp_magic’:
./network_helpers.h:116:14: error: implicit declaration of function \
  ‘htons’ [-Werror=implicit-function-declaration]
  116 |         s += htons(proto + len);

The error is avoided in many cases thanks to some other headers included
earlier and bringing in arpa/inet.h (ie: test_progs.h).

Make sure that test_progs build success does not depend on header ordering
by adding the missing header include in network_helpers.h

Fixes: f6642de0c3 ("selftests/bpf: Add csum helpers")
Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com>
Link: https://lore.kernel.org/r/20241008-network_helpers_fix-v1-1-2c2ae03df7ef@bootlin.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Alexis Lothoré (eBPF Foundation) 2024-10-08 16:50:57 +02:00 • committed by Greg Kroah-Hartman

parent 566400b9ba

commit d110ef3171

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tools/testing/selftests/bpf/network_helpers.h

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