From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f170.google.com (mail-yw1-f170.google.com [209.85.128.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E4776309A61 for ; Wed, 2 Jul 2025 17:13:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751476432; cv=none; b=m2DNFHfQp0/mv/b3gKtiJ1b3Y1sTMKy4ov+qzlpQSUiYPveIOflspOBBTgWXbXvq68U+iNEcALc+rHcxBNLGqFZfl+qhax+GWjbz3FOUb4rEuRa/aRSxcmwa45YsSNQcyxPL+J7Ok2IaDxAT+5ZBEDHmQMdxEUM/jQKraQFEK/k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751476432; c=relaxed/simple; bh=PluDXuINl0h+7RQF75H+oHgjxFlsTVDd60o/nmWkCbQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=D9RNMKa5//ZVyXIGJ0rtdJLHeIne/AHYU1VnGbUZ63tWI0vwePzg3T8BXwOTYpM/fFeupDxUBFrRDbwGzTwJRL6JlBxs0PHxadZgIZ3oZhepXHX9slU5JejEkcrecwMzjZhCk1EuAE8Au3wUTTUvudO1pmK+4XHuWJK90Y9INxY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=WvEJV+yQ; arc=none smtp.client-ip=209.85.128.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WvEJV+yQ" Received: by mail-yw1-f170.google.com with SMTP id 00721157ae682-714066c7bbbso80640537b3.3 for ; Wed, 02 Jul 2025 10:13:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1751476430; x=1752081230; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=kGSHC5YOETvA+FvOosnMbPG4L7vRJxIYLZaKg+pMbxs=; b=WvEJV+yQKggdJRVCnlP5Li7UnczpS5mtt+V1cJGL4Lv7ykJWFxX+4FfufWhERZVx/P jtRr1f5DPaS0PMjml/xKEdEfVkdZYWNqS4zpwpCDN5mTdrrP78rxoUA2TyHW9MYdW3LZ K2Ou4vyMf9YZFAh45T9mQ/cRhrWWy/JSR3+uTPb4tM+Jma7y+cZKnCo+faSqfi7CHr+A hHk9VYVBOp/xFane+ONN1Y6wkbYdn8Hkve+HlM1pGnQwtP9d/aRSG2Od5BCvtsnfeyGx fRDldNetpe1H7PT5uEDcyZV2w+lVWAXv069SwcEQY/VKjr0h0CBn9yRVoazFINuR4vxn A9JQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751476430; x=1752081230; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=kGSHC5YOETvA+FvOosnMbPG4L7vRJxIYLZaKg+pMbxs=; b=bzR1RimAJh6iTSjki/tz9wKzHgFKlkO6pZMMl3Z6XVJfqslawQsag6yWSBiKRro1Oj H5Az/0J/lPyp0YcLxqiGKDDItynIrzTwLJ3+MpsnB/zH9aktAnps4F8UHBqKMTjlVAlT Zh17nl1KBlG6naLqspkDxpKb4fjPj/oKdaQagSrJARACQX2RmXSHGRiIYfVnbMEMo5mY UDxS79mwj2J/Jqx8eLsL89K0Fz+neaU+lwqAuUyLwdQi/2+1SzCfbf/N9ncJ3O5kDSDF 18hzpyVz4N97UxhTxIC01ob+6yt/OsF4Xgvfju6Ty3gtwL4iIohoEuXPCRaERsyFOqVj P0Mg== X-Forwarded-Encrypted: i=1; AJvYcCWbUxDDVMeWhSKfiCHRQkBBLU6W7s6O3qqL+YiK+CeZMeOuVhDx5WNP3hGlz7j0xbhhoRzlGX8=@vger.kernel.org X-Gm-Message-State: AOJu0YyHirJ5o02apBv/IA/2hJzC7hQCffq558eBZScbKPyyoEsTmAeV D1exSZEvBfh8U/EDP/O6ZvWy/iMXLFO/iJszYvlA1A+iBMO1W4xOnVTJ X-Gm-Gg: ASbGncvKlhnhpW0ZR/VpFDwxEVhEWFlmvHYfMgCumO8kqUtzGx3gY/kWlWOnKI291zY d0ZDx6Ktr074fYz9Se+pf8RIaYNv17LYS1r2k1cYgd95dPuc4w5dB8ZgAgcsnUthplgPlKsPWnV L54NXSiRCF+aLWl0+V4ZVeeZtOapuO4ZYsjFBH3mjmjpAO2XulpPgYMU+8r2mPuUCeUTtnSnSM1 agoup3f+1QM3jkyacrNP6pyrVeBNbu1LTVxPvTHYAWX23An0HmfJk0rT0X2+23exprUOYixnv3z 6wUn4LaDmuUFBS7FONJvqrJC5el1+y4eQszOIplvOdqwr7wK3YumWrd7O+Ub X-Google-Smtp-Source: AGHT+IFb55564nrLrTjZu3ibqWgXBA3UtX1aTYY7JFN4v7YPNa+ZJSYU7KFPcq1P7Qux/xegI+6GYQ== X-Received: by 2002:a05:690c:b13:b0:70f:6ebb:b29a with SMTP id 00721157ae682-716590cbcc6mr5452387b3.29.1751476429892; Wed, 02 Jul 2025 10:13:49 -0700 (PDT) Received: from localhost ([2a03:2880:25ff:47::]) by smtp.gmail.com with ESMTPSA id 00721157ae682-71515cb4ca3sm25308697b3.92.2025.07.02.10.13.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jul 2025 10:13:49 -0700 (PDT) From: Daniel Zahka To: Donald Hunter , Jakub Kicinski , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Jonathan Corbet , Andrew Lunn Cc: Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Boris Pismenny , Kuniyuki Iwashima , Willem de Bruijn , David Ahern , Neal Cardwell , Patrisious Haddad , Raed Salem , Jianbo Liu , Dragos Tatulea , Rahul Rameshbabu , Stanislav Fomichev , =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= , Alexander Lobakin , Jacob Keller , netdev@vger.kernel.org Subject: [PATCH v3 19/19] net/mlx5e: Implement PSP key_rotate operation Date: Wed, 2 Jul 2025 10:13:24 -0700 Message-ID: <20250702171326.3265825-20-daniel.zahka@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250702171326.3265825-1-daniel.zahka@gmail.com> References: <20250702171326.3265825-1-daniel.zahka@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Raed Salem Implement .key_rotate operation where when invoked will cause the HW to use a new master key to derive PSP spi/key pairs with complience with PSP spec. Signed-off-by: Raed Salem Signed-off-by: Rahul Rameshbabu Signed-off-by: Daniel Zahka --- Notes: v1: - https://lore.kernel.org/netdev/20240510030435.120935-16-kuba@kernel.org/ .../net/ethernet/mellanox/mlx5/core/en_accel/psp.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c index fb2b7e4e2f06..f35e3b381c95 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c @@ -96,11 +96,22 @@ static void mlx5e_psp_assoc_del(struct psp_dev *psd, struct psp_assoc *pas) atomic_dec(&psp->tx_key_cnt); } +static int mlx5e_psp_key_rotate(struct psp_dev *psd, struct netlink_ext_ack *exack) +{ + struct mlx5e_priv *priv = netdev_priv(psd->main_netdev); + + /* no support for protecting against external rotations */ + psd->generation = 0; + + return mlx5e_psp_rotate_key(priv->mdev); +} + static struct psp_dev_ops mlx5_psp_ops = { .set_config = mlx5e_psp_set_config, .rx_spi_alloc = mlx5e_psp_rx_spi_alloc, .tx_key_add = mlx5e_psp_assoc_add, .tx_key_del = mlx5e_psp_assoc_del, + .key_rotate = mlx5e_psp_key_rotate, }; void mlx5e_psp_unregister(struct mlx5e_priv *priv) -- 2.47.1