From patchwork Fri Jun 28 12:01:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 13716023 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 D1E2F158869; Fri, 28 Jun 2024 12:02:26 +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=1719576146; cv=none; b=lNb5yiKNH02/0xPEyA2rkUEqmgq9QKEOhAvgvTNrZzqmrvpGWS0Af1na+J4+quwCLqikZ1zwDfZlaK07FFQOOSoh01JF0JvJvJLgHiQED91tNJcUTZBnlixPQ3AVkqLeBcWrh+91KyP2Vsx/Ee4YpofcBnqssWAjyfyu7qgq0LM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719576146; c=relaxed/simple; bh=9e1IIdoq3zKz4bXr6Ah7y7i87LLSXX4VOZlTwPXFM+4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=YrAxTgn9RlEqt/LJHxPX5kVR78p9S+/Cnbn76uljIwdZrcZk+z6frKNKsRwW/Lxje5MwSh4jGFA9ZuI6/hw7AgMKDZE6BFT2L55Sm5qzfn3oPmgjIxTnWwaC3/POjrWVu7WbigDj5GOdH5wGA+etojd8cxtjEhYS+wMGF8O16qY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IKyL6JM+; 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="IKyL6JM+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86412C32786; Fri, 28 Jun 2024 12:02:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719576146; bh=9e1IIdoq3zKz4bXr6Ah7y7i87LLSXX4VOZlTwPXFM+4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=IKyL6JM+2J6hMySlzE0atG86WuPdhkBBd2GG89+0fyueDwVcjTrUNnSEdn1Q+Rtb2 wkIjJ/l0jDH+8molaGylP8D/vAztyT/CqZIRNEPwYt8MBuru3euvKsf5Ab3E2AHFMd GvmUeeIfLf6/en+Bf75HmNKDqZYqNNyuB6P5nOb+Aspto8wjGLi8vR/tKucl4Q4dES TcryvgOfFWH23pRMXNVWrIs6W9kBVAyLZ1hNd7CqQ9CrP7d38TLSzmGQKzQaLjYngF mi1FkZikdNfBvx5sYcm3DP8gWfab/ki3YW3Qi3J6+vK44dTM4nWgaqwHcmVZ6+lolf FVWYegks+Lp3A== From: Roger Quadros Date: Fri, 28 Jun 2024 15:01:55 +0300 Subject: [PATCH net-next v2 6/7] net: ethernet: ti: cpsw_ale: add helper to setup classifier defaults Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240628-am65-cpsw-multi-rx-v2-6-c399cb77db56@kernel.org> References: <20240628-am65-cpsw-multi-rx-v2-0-c399cb77db56@kernel.org> In-Reply-To: <20240628-am65-cpsw-multi-rx-v2-0-c399cb77db56@kernel.org> To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Siddharth Vadapalli , Julien Panis Cc: Andrew Lunn , srk@ti.com, vigneshr@ti.com, danishanwar@ti.com, pekka Varis , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, Roger Quadros X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=3566; i=rogerq@kernel.org; h=from:subject:message-id; bh=9e1IIdoq3zKz4bXr6Ah7y7i87LLSXX4VOZlTwPXFM+4=; b=owEBbQKS/ZANAwAIAdJaa9O+djCTAcsmYgBmfqY4wUYJr7lqP7I+5xyKhlnkdOjpvrQ80p8EL PyiJ6lKI0qJAjMEAAEIAB0WIQRBIWXUTJ9SeA+rEFjSWmvTvnYwkwUCZn6mOAAKCRDSWmvTvnYw k3LlD/9Plman1i97ZmmF/2NZNmhJIfRT6nc/Aa4dDdZPE6b6YtalFqGFrbXmYT5YYEDl0sUnlwf wWxD4l71XnkZm0Cn+VL+cuBvV2kBzxZPDRxsppCkXOWF9v/+WuzmTrhjM4GklNzdBsuvCZYbi75 C1HlEOp0cg3upfJ4fB5EmVCGOufwz9YuexxYKM0FN7m4vviBGYnorDEA3o8Tay0XwD5y4br9UAa ytYQin0bsTmXwucVWirLr12NVRXIQ8H1S53824W+c3FzNq0a0lqM5wvYLD+S9iWMhaG2UZCkyRc Livbm9gNo0FGY9EDxzLAcINNK6VnRK9PiG8zzpbfexqY3+cb5lJYY3tQwiLvZ48s11pHbid//t/ 0CgoYOU4rf/0IwQHp9Xsc9jdFaNja2W4vdMNsVFAwWRvDPSfEN3XTW026xsi3cEloEq1eYgvJ33 3ssInuBqw4/rhObS3fI7Y9ML53aEbOCb/9BDAiedLD7ogO8d3OLC+BOJLAwpo4nLI+NHcm9qr5n Ejt1CexYUeDQNLhzJYliSfCdY8qzMBoZl1r/qVMcJQkuzAgCJTYEksoh1owCL2NMHYhBg+J96V/ VmWb22zCOyUI93AmLJmcZiWC0SstMU97EAjzAYRPEWNqKPREVKQaDWtnckL0efz6s/l+pMHGvTj 4lKXObaEsO68I1w== X-Developer-Key: i=rogerq@kernel.org; a=openpgp; fpr=412165D44C9F52780FAB1058D25A6BD3BE763093 Default behaviour is to have 8 classifiers to map 8 DSCP/PCP priorities to N receive threads (flows). N depends on number of RX channels enabled for the port. Signed-off-by: Roger Quadros --- drivers/net/ethernet/ti/cpsw_ale.c | 57 ++++++++++++++++++++++++++++++++++++++ drivers/net/ethernet/ti/cpsw_ale.h | 1 + 2 files changed, 58 insertions(+) diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index 75a17184d34c..51da527388df 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -1650,3 +1650,60 @@ static void cpsw_ale_policer_thread_idx_enable(struct cpsw_ale *ale, u32 idx, regmap_field_write(ale->fields[ALE_THREAD_VALUE], thread_id); regmap_field_write(ale->fields[ALE_THREAD_ENABLE], enable ? 1 : 0); } + +/* Disable all policer entries and thread mappings */ +static void cpsw_ale_policer_reset(struct cpsw_ale *ale) +{ + int i; + + for (i = 0; i < ale->params.num_policers ; i++) { + cpsw_ale_policer_read_idx(ale, i); + regmap_field_write(ale->fields[POL_PORT_MEN], 0); + regmap_field_write(ale->fields[POL_PRI_MEN], 0); + regmap_field_write(ale->fields[POL_OUI_MEN], 0); + regmap_field_write(ale->fields[POL_DST_MEN], 0); + regmap_field_write(ale->fields[POL_SRC_MEN], 0); + regmap_field_write(ale->fields[POL_OVLAN_MEN], 0); + regmap_field_write(ale->fields[POL_IVLAN_MEN], 0); + regmap_field_write(ale->fields[POL_ETHERTYPE_MEN], 0); + regmap_field_write(ale->fields[POL_IPSRC_MEN], 0); + regmap_field_write(ale->fields[POL_IPDST_MEN], 0); + regmap_field_write(ale->fields[POL_EN], 0); + regmap_field_write(ale->fields[POL_RED_DROP_EN], 0); + regmap_field_write(ale->fields[POL_YELLOW_DROP_EN], 0); + regmap_field_write(ale->fields[POL_PRIORITY_THREAD_EN], 0); + + cpsw_ale_policer_thread_idx_enable(ale, i, 0, 0); + } +} + +/* Default classifer is to map 8 user priorities to N receive channels */ +void cpsw_ale_classifier_setup_default(struct cpsw_ale *ale, int num_rx_ch) +{ + int pri, idx; + int pri_thread_map[8][9] = { { 0, 0, 0, 0, 0, 0, 0, 0, }, + { 0, 0, 0, 0, 1, 1, 1, 1, }, + { 0, 0, 0, 0, 1, 1, 2, 2, }, + { 1, 0, 0, 1, 2, 2, 3, 3, }, + { 1, 0, 0, 1, 2, 3, 4, 4, }, + { 1, 0, 0, 2, 3, 4, 5, 5, }, + { 1, 0, 0, 2, 3, 4, 5, 6, }, + { 2, 0, 1, 3, 4, 5, 6, 7, } }; + + cpsw_ale_policer_reset(ale); + + /* use first 8 classifiers to map 8 (DSCP/PCP) priorities to channels */ + for (pri = 0; pri < 8; pri++) { + idx = pri; + + /* Classifier 'idx' match on priority 'pri' */ + cpsw_ale_policer_read_idx(ale, idx); + regmap_field_write(ale->fields[POL_PRI_VAL], pri); + regmap_field_write(ale->fields[POL_PRI_MEN], 1); + cpsw_ale_policer_write_idx(ale, idx); + + /* Map Classifier 'idx' to thread provided by the map */ + cpsw_ale_policer_thread_idx_enable(ale, idx, + pri_thread_map[num_rx_ch - 1][pri], 1); + } +} diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h index 2cb76acc6d16..1e4e9a3dd234 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.h +++ b/drivers/net/ethernet/ti/cpsw_ale.h @@ -193,5 +193,6 @@ int cpsw_ale_vlan_add_modify(struct cpsw_ale *ale, u16 vid, int port_mask, int cpsw_ale_vlan_del_modify(struct cpsw_ale *ale, u16 vid, int port_mask); void cpsw_ale_set_unreg_mcast(struct cpsw_ale *ale, int unreg_mcast_mask, bool add); +void cpsw_ale_classifier_setup_default(struct cpsw_ale *ale, int num_rx_ch); #endif