From patchwork Wed Aug 9 08:29:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 13347570 X-Patchwork-Delegate: kuba@kernel.org 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 4827E1BB22 for ; Wed, 9 Aug 2023 08:30:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10806C433BB; Wed, 9 Aug 2023 08:30:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691569817; bh=LRSwFv4pI3XWzbDZ/J9hIlPITjq11MH8a2xZRUVhncI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bm4prTJwPeP3KcxP+drYiogHgYSCNGG0gOjSxE2kCHMSdGvAENu8+CVjSK6MjQcIb suJUUr5TGIvuBzvhn3ALL9gB16y5IgFoqowdvv1VVIdsKvXpuQNlPmnigdUBdakIX6 dxf8q0QAnse/xYNedVCrzxZUOoI1lCiePEUzeBLBEWRGsE7lUksIypawM+bVRXyDjA nra3okuaCD7o4rY8FciC40C8ZPhDHiqeocueQoFasaaqWSZ8ZrNgp+mlwHaYQpKKBR ecOREmS1Fr1qw+0+7QyOJaWi7RCoM47rP9ORx8Lb7jLi/srfpar5b+uSxN8rQO3MAn k4ahuzpQky7PQ== From: Leon Romanovsky To: Jason Gunthorpe , Jakub Kicinski Cc: Patrisious Haddad , Leon Romanovsky , "David S . Miller" , Eric Dumazet , linux-rdma@vger.kernel.org, Maor Gottlieb , Mark Zhang , netdev@vger.kernel.org, Paolo Abeni , Raed Salem , Saeed Mahameed Subject: [PATCH mlx5-next v1 11/14] net/mlx5: Configure MACsec steering for egress RoCEv2 traffic Date: Wed, 9 Aug 2023 11:29:23 +0300 Message-ID: <184ad90a170f0a9c9eec4c8a0ec6419775ac4db5.1691569414.git.leon@kernel.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Patrisious Haddad Add steering table in RDMA_TX domain, to forward MACsec traffic to MACsec crypto table in NIC domain. The tables are created in a lazy manner when the first TX SA is being created, and destroyed upon the destruction of the last SA. Signed-off-by: Patrisious Haddad Signed-off-by: Leon Romanovsky --- .../mellanox/mlx5/core/lib/macsec_fs.c | 46 ++++++++++++++++++- 1 file changed, 45 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.c index d39ca7c66542..15e7ea3ed79f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.c @@ -95,6 +95,8 @@ struct mlx5_macsec_tx { struct ida tx_halloc; struct mlx5_macsec_tables tables; + + struct mlx5_flow_table *ft_rdma_tx; }; struct mlx5_macsec_rx_rule { @@ -173,6 +175,9 @@ static void macsec_fs_tx_destroy(struct mlx5_macsec_fs *macsec_fs) struct mlx5_macsec_tx *tx_fs = macsec_fs->tx_fs; struct mlx5_macsec_tables *tx_tables; + if (mlx5_is_macsec_roce_supported(macsec_fs->mdev)) + mlx5_destroy_flow_table(tx_fs->ft_rdma_tx); + tx_tables = &tx_fs->tables; /* Tx check table */ @@ -301,6 +306,39 @@ static struct mlx5_flow_table return fdb; } +enum { + RDMA_TX_MACSEC_LEVEL = 0, +}; + +static int macsec_fs_tx_roce_create(struct mlx5_macsec_fs *macsec_fs) +{ + struct mlx5_macsec_tx *tx_fs = macsec_fs->tx_fs; + struct mlx5_core_dev *mdev = macsec_fs->mdev; + struct mlx5_flow_namespace *ns; + struct mlx5_flow_table *ft; + int err; + + if (!mlx5_is_macsec_roce_supported(mdev)) { + mlx5_core_dbg(mdev, "Failed to init RoCE MACsec, capabilities not supported\n"); + return 0; + } + + ns = mlx5_get_flow_namespace(mdev, MLX5_FLOW_NAMESPACE_RDMA_TX_MACSEC); + if (!ns) + return -ENOMEM; + + /* Tx RoCE crypto table */ + ft = macsec_fs_auto_group_table_create(ns, 0, RDMA_TX_MACSEC_LEVEL, CRYPTO_NUM_MAXSEC_FTE); + if (IS_ERR(ft)) { + err = PTR_ERR(ft); + mlx5_core_err(mdev, "Failed to create MACsec RoCE Tx crypto table err(%d)\n", err); + return err; + } + tx_fs->ft_rdma_tx = ft; + + return 0; +} + static int macsec_fs_tx_create(struct mlx5_macsec_fs *macsec_fs) { int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); @@ -443,7 +481,13 @@ static int macsec_fs_tx_create(struct mlx5_macsec_fs *macsec_fs) } tx_fs->check_rule = rule; - goto out_flow_group; + err = macsec_fs_tx_roce_create(macsec_fs); + if (err) + goto err; + + kvfree(flow_group_in); + kvfree(spec); + return 0; err: macsec_fs_tx_destroy(macsec_fs);