netdev - Re: [PATCH net-next v1 8/9] net: devmem: ksft: upgrade rx test to send 1K data

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Message-ID: <aCtQOek-wLqSh38g@mini-arch>
Date: Mon, 19 May 2025 08:37:29 -0700
From: Stanislav Fomichev <stfomichev@...il.com>
To: Mina Almasry <almasrymina@...gle.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	Ilias Apalodimas <ilias.apalodimas@...aro.org>,
	Neal Cardwell <ncardwell@...gle.com>,
	Kuniyuki Iwashima <kuniyu@...zon.com>,
	David Ahern <dsahern@...nel.org>,
	Andrew Lunn <andrew+netdev@...n.ch>, Shuah Khan <shuah@...nel.org>,
	sdf@...ichev.me, ap420073@...il.com, praan@...gle.com,
	shivajikant@...gle.com
Subject: Re: [PATCH net-next v1 8/9] net: devmem: ksft: upgrade rx test to
 send 1K data

On 05/19, Mina Almasry wrote:
> The current test just sends "hello\nworld" and verifies that is the
> string received on the RX side. That is fine, but improve the test a bit
> by sending 1K data. The test should be improved further to send more
> data, but for now this should be a welcome improvement.
> 
> The test will send a repeating pattern of 0x01, 0x02, ... 0x06. The
> ncdevmem `-v 7` flag will verify this pattern. ncdevmem will provide
> useful debugging info when the test fails, such as the frags received
> and verified fine, and which frag exactly failed, what was the expected
> byte pattern, and what is the actual byte pattern received. All this
> debug information will be useful when the test fails.
> 
> Signed-off-by: Mina Almasry <almasrymina@...gle.com>

Acked-by: Stanislav Fomichev <sdf@...ichev.me>