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[mptcp-next,v3,09/10] mptcp: drop subflow contexts in mptcp_sched_data

Message ID 31e4d5218060cc1c8adb3971e5e0f39d899ad56f.1728469555.git.tanggeliang@kylinos.cn (mailing list archive)
State Superseded, archived
Headers show
Series use bpf_iter in bpf schedulers | expand

Checks

Context Check Description
matttbe/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
matttbe/shellcheck success MPTCP selftests files have not been modified
matttbe/build success Build and static analysis OK
matttbe/KVM_Validation__normal success Success! ✅
matttbe/KVM_Validation__debug success Success! ✅
matttbe/KVM_Validation__btf__only_bpftest_all_ success Success! ✅

Commit Message

Geliang Tang Oct. 9, 2024, 10:29 a.m. UTC 
From: Geliang Tang <tanggeliang@kylinos.cn>

The mptcp_subflow bpf_iter is added now, it's better to use the helper
bpf_for_each(mptcp_subflow) to traverse all subflows on the conn_list of
an MPTCP socket and then call kfunc to modify the fields of each subflow
in the WIP MPTCP BPF packet scheduler examples, instead of converting them
to a fixed array. With this helper, we can get rid of this subflow array
"contexts" and the size of it "subflows" in struct mptcp_sched_data.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
---
 include/net/mptcp.h | 2 --
 1 file changed, 2 deletions(-)
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Patch

diff --git a/include/net/mptcp.h b/include/net/mptcp.h
index 814b5f2e3ed5..84d67947a517 100644
--- a/include/net/mptcp.h
+++ b/include/net/mptcp.h
@@ -104,8 +104,6 @@  struct mptcp_out_options {
 
 struct mptcp_sched_data {
 	bool	reinject;
-	u8	subflows;
-	struct mptcp_subflow_context *contexts[MPTCP_SUBFLOWS_MAX];
 };
 
 struct mptcp_sched_ops {