From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-186.mta0.migadu.com (out-186.mta0.migadu.com [91.218.175.186]) (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 AED6A3314C5 for ; Mon, 6 Apr 2026 13:28:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.186 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775482138; cv=none; b=o0VCkAiQDg+zqNCiFvJbsvMAVwAkECLag9PrNHUL3RLhKW63Aa5vvbsdGIsglKzVLWdxNmSBTvObbKtldtEBm7+ghuvamenlefxXml8o2OhS8gQ0IuOe4a40VcXr/FD0HbJiTj1+bvYfOvjXaJFBORQDDqThVt4A3WOvaTlwaXg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775482138; c=relaxed/simple; bh=WheYACpO9d/hiu6UL0ZYblBQUu7xV19a6ef2+lPpedk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=AJY57o0X2CS5VwnuHkDXy3k/xiv614KznXZEjtCt6exKo5o9s2JC3ZzPwa52Se5Gj8jQmGdjGGVcUjoui+9EkU1JbypyqR3uxzsrS8Madt5noErZHQwjRK0p4vEOqZeKDpRs6ERD5DKc1diZlA2uDOCCiC+Ub8IbOtSHVAgYzSM= 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=WsnnAhiX; arc=none smtp.client-ip=91.218.175.186 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="WsnnAhiX" 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=1775482134; 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=uJqDzBluXjhl3WpOmUv9bty8+1+HJpAdeY5ceFZjIDI=; b=WsnnAhiXDoNrqTAt+ATZkogUf2cjw3oFPsvcw5L/yHne3Os8UfEfyAwfiCSthJWFAqqMoR ulzChxATCISLwq839V/eFoeSGQN9VA9ibj1NkkjGdswAudSn8HHcPYI+mRR6vTcwIAYGlK HexbE7681JpMbPf+zLosJ2yKBpbmAAU= 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 v4 0/4] Support PERF MGMT for RXE Date: Mon, 6 Apr 2026 21:28:25 +0800 Message-ID: <20260406132830.435381-1-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 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 (4): RDMA/core: Fix memory free for GID table 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/core/cache.c | 1 - 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 | 6 ++ drivers/infiniband/sw/rxe/rxe_verbs.c | 5 +- drivers/infiniband/sw/rxe/rxe_verbs.h | 10 +- 11 files changed, 133 insertions(+), 14 deletions(-) create mode 100644 drivers/infiniband/sw/rxe/rxe_mad.c -- 2.43.0