From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-173.mta1.migadu.com (out-173.mta1.migadu.com [95.215.58.173]) (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 2E2072EB10 for ; Wed, 8 Apr 2026 00:10:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775607024; cv=none; b=jsMIKFWVJZv5CaRsd+ScK7Hvnx8hvFqXu9sD9f0RlC6UgfjIFcCShkusGx7WHKLdvaNeZ4gpDI2WmmoMToXUhmkBeRucj1k3TcTMDJPafFP4JDyHzjBjrM1x+k+46eoKbOJ6JC4ni4FG85PPA8Yh3c8AQm1qaQizPYK3TzqQCjU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775607024; c=relaxed/simple; bh=tmyJRCYNGd8dt9swtikiDxXHO1KNGuB5c3YX9eHIvKA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=TsWg+KOJVSI2p5zK9z/T1vXfxmIb3tHvOlbAo6jS4nI6SqPsxxSsfR/l5MvWM5KldZEGqY690dumpvNV0X+nDh8c/PGipasggyNtwYiJ+ynkWIFhIG+N0Kl2t0avG7Q8MP07MnkldGLgLjwZ55QN8shIT4S5C1S4NNMm0kjWxis= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=jZrOm8gj; arc=none smtp.client-ip=95.215.58.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="jZrOm8gj" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1775607011; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=kFFzLvq7ZvG1uGtLa8Rm+ALcKcE4RreLa1Aw0/kdtxc=; b=jZrOm8gjvk6NxzHhMfsIJeaCWZEKPuEZcLa//fqt1Bo/ANktiBhsvP2Fr5TNO3gZs9NwRh nznxzfdXBwvvewnsz5Ypn/wYhQRTT2b2MBiT4YyxS9XA26QECVyd+2W6SZg/sHytvNsPiY AmA+C66B8kPhQ0D9faJXK/MmUZuCtJQ= From: zhenwei pi To: linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org Cc: zyjzyj2000@gmail.com, jgg@ziepe.ca, leon@kernel.org, zhenwei pi Subject: [PATCH v5 0/3] Support PERF MGMT for RXE Date: Wed, 8 Apr 2026 08:09:53 +0800 Message-ID: <20260408000956.486522-1-zhenwei.pi@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT v5: - remove patch "RDMA/core: Fix memory free for GID table", it was applied by Jason separately. - suggested by Yanjun, use 'skb_network_offset' to calculate the length of received packets. v4: - drop rxe_ib_device_get_netdev and RXE_PORT, use 1 instead - avoid UAF to get skb length - remove one-line wrapper rxe_counter_get, use atomic64_read instead - fix memory free for GID table, this is a new patch in this series. v3: - merge 'RDMA/rxe: use rxe_counter_get' into previous commit - zero *out* MAD memory - return success with error status rather than failure to avoid uplayer hang v2: - Fix overflow for PMA counter *link_downed_counter* - Use *rxe_counter_get* instead of *atomic64_read* for hw-counters v1: Support PERF MGMT for RXE, add sent/received bytes for RXE counters, also improve coding style. zhenwei pi (3): RDMA/rxe: remove rxe_ib_device_get_netdev() and RXE_PORT RDMA/rxe: add SENT/RCVD bytes RDMA/rxe: support perf mgmt GET method drivers/infiniband/sw/rxe/Makefile | 1 + drivers/infiniband/sw/rxe/rxe_hw_counters.c | 2 + drivers/infiniband/sw/rxe/rxe_hw_counters.h | 2 + drivers/infiniband/sw/rxe/rxe_loc.h | 6 ++ drivers/infiniband/sw/rxe/rxe_mad.c | 101 ++++++++++++++++++++ drivers/infiniband/sw/rxe/rxe_mcast.c | 4 +- drivers/infiniband/sw/rxe/rxe_net.c | 9 +- drivers/infiniband/sw/rxe/rxe_recv.c | 2 + drivers/infiniband/sw/rxe/rxe_verbs.c | 5 +- drivers/infiniband/sw/rxe/rxe_verbs.h | 10 +- 10 files changed, 129 insertions(+), 13 deletions(-) create mode 100644 drivers/infiniband/sw/rxe/rxe_mad.c -- 2.43.0