From patchwork Tue May 13 12:13:09 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 890507 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 4B99D28DEE7; Tue, 13 May 2025 12:13:28 +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=1747138409; cv=none; b=V+92QYdDPUGdoAmJO4kcmr4KbC/HxDKPNYiUWoKu+RaDbn54wSwB1qU23b+XOey4Bs5vocjUmBgXnokpEkeClOSvM6RBR8DobvEBEA8FkfONITmVcUhAFP0AYQUDsPBMwEHCzYj3yQhAF5lh+n9cqINYpPifv3ejWJNDhc21ue8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747138409; c=relaxed/simple; bh=GdBpx6MqbpI0u0QoDfqyPuHJ43rlaIHaOD2v+M+Vh8Q=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=DqKJmGReVPaIpyy3lkfZSV7BfeOWWx+J8T5ZuxzjMHhfbcEndcDLmIXNpn403SfW7gOd2eH6zpCsPuK5A81l2zkudzciIutfozH1+meBUDHnxjPbZgAHHvLi5R8ncF71QkAV/gXvOXoHNDs1F9X4l8aaCv/uK5RivHDEqJg+7Nk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BgNZlVzO; 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="BgNZlVzO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F134AC4CEF2; Tue, 13 May 2025 12:13:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747138408; bh=GdBpx6MqbpI0u0QoDfqyPuHJ43rlaIHaOD2v+M+Vh8Q=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=BgNZlVzOb8BSJnR8ffnS4bJnFrTa/CofRpMh0y1HjvxvqjTVYAlBtk7vMyJpXKnvg djphowd10MX0F9DKCoYzWwQmQElKJs8APNCt+0DoicZGlW/H5HcvO2mhI3/dUIY/hs 6B39DQcCKNAJ/EsIjMd1G3GT8ClzElq8y2mgPDZtQG/osZbt6DtvTVrJdWxbXXBOus F8IifXafJT4U2OxrGXvZBCDTwjsSp650W5B+XodZq5IWO/W4oWpSslkEWoG4YcuWy0 Lf1RL2eUONTSF2YYrP4DMZ7urOpJgNejLaORzZIxKncW5vu3RJ5D0OJRDRPxMsznP4 svRIZQRx4nlgA== From: Roger Quadros Date: Tue, 13 May 2025 15:13:09 +0300 Subject: [PATCH net-next v3 5/9] net: ethernet: ti: cpsw_ale: add cpsw_ale_policer_reset_entry() Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250513-am65-cpsw-rx-class-v3-5-492d9a2586b6@kernel.org> References: <20250513-am65-cpsw-rx-class-v3-0-492d9a2586b6@kernel.org> In-Reply-To: <20250513-am65-cpsw-rx-class-v3-0-492d9a2586b6@kernel.org> To: Siddharth Vadapalli , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Russell King , danishanwar@ti.com Cc: srk@ti.com, linux-omap@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=3404; i=rogerq@kernel.org; h=from:subject:message-id; bh=GdBpx6MqbpI0u0QoDfqyPuHJ43rlaIHaOD2v+M+Vh8Q=; b=owEBbQKS/ZANAwAIAdJaa9O+djCTAcsmYgBoIzdUuGudO05yn5YACI6WVBqPkgXCyn7bCT5jN rtxZr7wVaGJAjMEAAEIAB0WIQRBIWXUTJ9SeA+rEFjSWmvTvnYwkwUCaCM3VAAKCRDSWmvTvnYw k0RhD/9EpILUlM61iHE9Q7dicqTHtDiDv5w1G6HgzTqDDkwzkpW/SuWk5F0XfbtG2URthGAcFVz A/BOXo2c99jcOFaxr86BvknF109rauHqECghzwqaJRuUvoP2YNT4/FPl5+WltpbtKF1tHf/iBAV Z5bn0rYe3FzlMmU+AmWk9dQZNAaiqg3NJA7KD1LvJmZqL3f+fSeovFOg7yW3uWTZCsYltMUb3pW b6SaTPVQx42+L63mqk6uUORsDli/EwiwVfUb1/aZkXitBAzk3xJZPHyJKUb4EwGGsFE66Ke1WaE 86PAUOg7xakRrpkNHgNsEwyNUNpF7cIBJi5PS3FG8st20uG5pXDVOpuPg8Svy3gRIRjtrC7bNEo fCT7QSPBCqefl5LgBMKR8ekgY9z3wgn47HNQUwcCvXoLwDa1pMv3m6Fx6Ggf0wR9UosJvyO09Qj lXB+nhYof3zq5Sc9bNVZhZK8pFg3U5D+dWjuPPOzEj+hDOqUmxhDCzFP3BwikNSQsqJQxUn6V1q 3jKp+Tk/UDXPm3zBPavu5OXx5ens3pJ6VSZNn9foyVZUv4+73K0LJ6c3saLBmd5h8B4YCcdwBHZ PMrCSnOPjUov0kiYSLsLuZNQnIf+RbYrXGqqnaOAAcXB0uz+Jh9mQAE7D/uGJhd9pll9uPtY1tq 3mnhb+qO6wBuY7Q== X-Developer-Key: i=rogerq@kernel.org; a=openpgp; fpr=412165D44C9F52780FAB1058D25A6BD3BE763093 Add new helper cpsw_ale_policer_reset_entry() to reset a single policer entry. Clear all fields instead of just clearing the enable bits. Export cpsw_ale_policer_reset() as it will be required by cpsw drivers using policer. Signed-off-by: Roger Quadros --- drivers/net/ethernet/ti/cpsw_ale.c | 35 +++++++++++++++-------------------- drivers/net/ethernet/ti/cpsw_ale.h | 4 ++++ 2 files changed, 19 insertions(+), 20 deletions(-) diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index 74dc431f1c1b..49ea1c00be3d 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -1674,30 +1674,25 @@ static void cpsw_ale_policer_thread_idx_enable(struct cpsw_ale *ale, u32 idx, regmap_field_write(ale->fields[ALE_THREAD_ENABLE], enable ? 1 : 0); } +static void cpsw_ale_policer_reset_entry(struct cpsw_ale *ale, u32 idx) +{ + int i; + + cpsw_ale_policer_read_idx(ale, idx); + for (i = 0; i < CPSW_ALE_POLICER_ENTRY_WORDS; i++) + writel_relaxed(0, ale->params.ale_regs + + ALE_POLICER_PORT_OUI + 4 * i); + cpsw_ale_policer_thread_idx_enable(ale, idx, 0, 0); + cpsw_ale_policer_write_idx(ale, idx); +} + /* Disable all policer entries and thread mappings */ -static void cpsw_ale_policer_reset(struct cpsw_ale *ale) +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); - } + for (i = 0; i < ale->params.num_policers ; i++) + cpsw_ale_policer_reset_entry(ale, i); } /* Default classifier is to map 8 user priorities to N receive channels */ diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h index 87b7d1b3a34a..ce59fec75774 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.h +++ b/drivers/net/ethernet/ti/cpsw_ale.h @@ -156,6 +156,9 @@ enum cpsw_ale_port_state { #define ALE_ENTRY_BITS 68 #define ALE_ENTRY_WORDS DIV_ROUND_UP(ALE_ENTRY_BITS, 32) +/* Policer */ +#define CPSW_ALE_POLICER_ENTRY_WORDS 8 + struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params); void cpsw_ale_start(struct cpsw_ale *ale); @@ -195,5 +198,6 @@ 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); +void cpsw_ale_policer_reset(struct cpsw_ale *ale); #endif