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This patch adds 'get_subflow_info' in 'mptcp_diag', which can check whether a TCP connection is an MPTCP subflow based on the "INET_ULP_INFO_MPTCP" with tcp_diag method. The helper 'print_subflow_info' in 'mptcp_diag' can print the subflow_filed of an MPTCP subflow for further checking the 'subflow_info' through inet_diag method. The example of the whole output should be: $ ./mptcp_diag -s "127.0.0.1:10000 127.0.0.1:38984" 127.0.0.1:10000 -> 127.0.0.1:38984 It's a mptcp subflow, the subflow info: flags:Mec token:0000(id:0)/4278e77e(id:0) seq:9288466187236176036 \ sfseq:1 ssnoff:2317083055 maplen:215 Co-developed-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Gang Yan <yangang@kylinos.cn> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250502-net-next-mptcp-sft-inc-cover-v1-6-68eec95898fb@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| crypto/chacha20-s390 | ||
| cxl | ||
| fault-injection | ||
| ktest | ||
| kunit | ||
| memblock | ||
| nvdimm | ||
| radix-tree | ||
| rbtree | ||
| scatterlist | ||
| selftests | ||
| shared | ||
| vma | ||
| vsock | ||