From patchwork Fri Mar 7 11:36:46 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 14006335 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4D7C520764E for ; Fri, 7 Mar 2025 11:37:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741347429; cv=none; b=u4rnTIIKlfsHP25CoFEQ6RFDHpKwYcnSUqS3koRy/SswQCtGanKEdGJpk7qkjk9TZVuqGRuO1LeMwkYNSh8E7kq9bmGV054tVE6J8VI4uMSRSpMs4cOOf2yZ1+RdjR6ZS1KE9/DyeIbBjyzzLrHnGuOg/A5JZGNFEDucCSCY8KA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741347429; c=relaxed/simple; bh=xbEhIae6+cUr0/qPNbV2DDzI0yfracOJs8dci9P/Qw4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ef2ru7lemDJOfESrvIHuccKahcblAP9i/PAeem0f20hdJKUPro02yomrr9oLRErLZYPvp3WeKR917DPQ1i/nna0/wL+JG4uHYEOj4dNbcqnC3xR1SgaTRSWotzH0BUi24BNdYG9zlbuNlU/ocRFAe7TgAAzoEm7jHoleArFpojM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lfE745nW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lfE745nW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 992BCC4CEE5; Fri, 7 Mar 2025 11:37:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741347428; bh=xbEhIae6+cUr0/qPNbV2DDzI0yfracOJs8dci9P/Qw4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lfE745nWvrqOAJJHa742ZH1XuwWhHzwKg1pdopKVQ3rkl4LiPcEs0riKBXRE/rROJ qpfyaIdoQJotSyydB1GHNCbEqZzENlKAzmMmb0N42qZmC2r0iRzrLZQDa2x3Zvmlxu 985+lfWkPGrjo4pAnO1no5c9jterLGG3bI3ePPBToCCuliWJpjNR3Dr6Q9f3K9NZsU I2CE5NxA6OiPOMoC/0g156lr84z0GBrFDGMdgASVUDhf/9odTvC2O43F4Z0nDvkNCZ ov6HWtHw6EyuL+eyFuzz8eKvAIkwyeX3Y92KDOc/kcinzx1og9bexFtu9tbHSWwDQ8 cVbF6AClb9Vkw== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 05/11] mptcp: add mptcp_subflow_sched bpf_iter Date: Fri, 7 Mar 2025 19:36:46 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Geliang Tang Add a new bpt_iter mptcp_subflow_sched, it's a wrapper of mptcp_subflow. Signed-off-by: Geliang Tang --- net/mptcp/bpf.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/net/mptcp/bpf.c b/net/mptcp/bpf.c index 3921261b4fd4..c31f7b407b84 100644 --- a/net/mptcp/bpf.c +++ b/net/mptcp/bpf.c @@ -288,6 +288,31 @@ bpf_iter_mptcp_subflow_destroy(struct bpf_iter_mptcp_subflow *it) { } +struct bpf_iter_mptcp_subflow_sched { + struct bpf_iter_mptcp_subflow it; +}; + +__bpf_kfunc static int +bpf_iter_mptcp_subflow_sched_new(struct bpf_iter_mptcp_subflow_sched *it, + struct sock *sk, struct mptcp_sched_data *data) +{ + if (!mptcp_sched_check_bpf_iter_task(data)) + return -EINVAL; + + return bpf_iter_mptcp_subflow_new(&it->it, sk); +} + +__bpf_kfunc static struct mptcp_subflow_context * +bpf_iter_mptcp_subflow_sched_next(struct bpf_iter_mptcp_subflow_sched *it) +{ + return bpf_iter_mptcp_subflow_next(&it->it); +} + +__bpf_kfunc static void +bpf_iter_mptcp_subflow_sched_destroy(struct bpf_iter_mptcp_subflow_sched *it) +{ +} + __bpf_kfunc static bool bpf_mptcp_subflow_queues_empty(struct sock *sk) { return tcp_rtx_queue_empty(sk); @@ -312,6 +337,9 @@ BTF_ID_FLAGS(func, bpf_mptcp_subflow_tcp_sock, KF_RET_NULL) BTF_ID_FLAGS(func, bpf_iter_mptcp_subflow_new, KF_ITER_NEW | KF_TRUSTED_ARGS) BTF_ID_FLAGS(func, bpf_iter_mptcp_subflow_next, KF_ITER_NEXT | KF_RET_NULL) BTF_ID_FLAGS(func, bpf_iter_mptcp_subflow_destroy, KF_ITER_DESTROY) +BTF_ID_FLAGS(func, bpf_iter_mptcp_subflow_sched_new, KF_ITER_NEW | KF_TRUSTED_ARGS) +BTF_ID_FLAGS(func, bpf_iter_mptcp_subflow_sched_next, KF_ITER_NEXT | KF_RET_NULL) +BTF_ID_FLAGS(func, bpf_iter_mptcp_subflow_sched_destroy, KF_ITER_DESTROY) BTF_ID_FLAGS(func, mptcp_subflow_set_scheduled) BTF_ID_FLAGS(func, mptcp_subflow_active) BTF_ID_FLAGS(func, mptcp_set_timeout)