From patchwork Tue Jun 11 09:51:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Chevallier X-Patchwork-Id: 1113607 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bootlin.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45NQJP6pd6z9sDX for ; Tue, 11 Jun 2019 19:51:49 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405069AbfFKJvs (ORCPT ); Tue, 11 Jun 2019 05:51:48 -0400 Received: from relay12.mail.gandi.net ([217.70.178.232]:47139 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404963AbfFKJvq (ORCPT ); Tue, 11 Jun 2019 05:51:46 -0400 Received: from mc-bl-xps13.lan (aaubervilliers-681-1-40-246.w90-88.abo.wanadoo.fr [90.88.159.246]) (Authenticated sender: maxime.chevallier@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 79DA2200012; Tue, 11 Jun 2019 09:51:43 +0000 (UTC) From: Maxime Chevallier To: davem@davemloft.net Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Antoine Tenart , thomas.petazzoni@bootlin.com, gregory.clement@bootlin.com, miquel.raynal@bootlin.com, nadavh@marvell.com, stefanc@marvell.com, mw@semihalf.com, Yuri Chipchev Subject: [PATCH net 1/2] net: mvpp2: prs: Fix parser range for VID filtering Date: Tue, 11 Jun 2019 11:51:42 +0200 Message-Id: <20190611095143.2810-2-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190611095143.2810-1-maxime.chevallier@bootlin.com> References: <20190611095143.2810-1-maxime.chevallier@bootlin.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org VID filtering is implemented in the Header Parser, with one range of 11 vids being assigned for each no-loopback port. Make sure we use the per-port range when looking for existing entries in the Parser. Since we used a global range instead of a per-port one, this causes VIDs to be removed from the whitelist from all ports of the same PPv2 instance. Fixes: 56beda3db602 ("net: mvpp2: Add hardware offloading for VLAN filtering") Suggested-by: Yuri Chipchev Signed-off-by: Maxime Chevallier --- drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c index 392fd895f278..e0da4db3bf56 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c @@ -1905,8 +1905,7 @@ static int mvpp2_prs_ip6_init(struct mvpp2 *priv) } /* Find tcam entry with matched pair */ -static int mvpp2_prs_vid_range_find(struct mvpp2 *priv, int pmap, u16 vid, - u16 mask) +static int mvpp2_prs_vid_range_find(struct mvpp2_port *port, u16 vid, u16 mask) { unsigned char byte[2], enable[2]; struct mvpp2_prs_entry pe; @@ -1914,13 +1913,13 @@ static int mvpp2_prs_vid_range_find(struct mvpp2 *priv, int pmap, u16 vid, int tid; /* Go through the all entries with MVPP2_PRS_LU_VID */ - for (tid = MVPP2_PE_VID_FILT_RANGE_START; - tid <= MVPP2_PE_VID_FILT_RANGE_END; tid++) { - if (!priv->prs_shadow[tid].valid || - priv->prs_shadow[tid].lu != MVPP2_PRS_LU_VID) + for (tid = MVPP2_PRS_VID_PORT_FIRST(port->id); + tid <= MVPP2_PRS_VID_PORT_LAST(port->id); tid++) { + if (!port->priv->prs_shadow[tid].valid || + port->priv->prs_shadow[tid].lu != MVPP2_PRS_LU_VID) continue; - mvpp2_prs_init_from_hw(priv, &pe, tid); + mvpp2_prs_init_from_hw(port->priv, &pe, tid); mvpp2_prs_tcam_data_byte_get(&pe, 2, &byte[0], &enable[0]); mvpp2_prs_tcam_data_byte_get(&pe, 3, &byte[1], &enable[1]); @@ -1950,7 +1949,7 @@ int mvpp2_prs_vid_entry_add(struct mvpp2_port *port, u16 vid) memset(&pe, 0, sizeof(pe)); /* Scan TCAM and see if entry with this already exist */ - tid = mvpp2_prs_vid_range_find(priv, (1 << port->id), vid, mask); + tid = mvpp2_prs_vid_range_find(port, vid, mask); reg_val = mvpp2_read(priv, MVPP2_MH_REG(port->id)); if (reg_val & MVPP2_DSA_EXTENDED) @@ -2008,7 +2007,7 @@ void mvpp2_prs_vid_entry_remove(struct mvpp2_port *port, u16 vid) int tid; /* Scan TCAM and see if entry with this already exist */ - tid = mvpp2_prs_vid_range_find(priv, (1 << port->id), vid, 0xfff); + tid = mvpp2_prs_vid_range_find(port, vid, 0xfff); /* No such entry */ if (tid < 0) From patchwork Tue Jun 11 09:51:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Chevallier X-Patchwork-Id: 1113608 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bootlin.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45NQJZ5wP3z9sN6 for ; Tue, 11 Jun 2019 19:51:58 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405082AbfFKJvu (ORCPT ); Tue, 11 Jun 2019 05:51:50 -0400 Received: from relay12.mail.gandi.net ([217.70.178.232]:54185 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405067AbfFKJvt (ORCPT ); Tue, 11 Jun 2019 05:51:49 -0400 Received: from mc-bl-xps13.lan (aaubervilliers-681-1-40-246.w90-88.abo.wanadoo.fr [90.88.159.246]) (Authenticated sender: maxime.chevallier@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id BFC22200008; Tue, 11 Jun 2019 09:51:45 +0000 (UTC) From: Maxime Chevallier To: davem@davemloft.net Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Antoine Tenart , thomas.petazzoni@bootlin.com, gregory.clement@bootlin.com, miquel.raynal@bootlin.com, nadavh@marvell.com, stefanc@marvell.com, mw@semihalf.com, Yuri Chipchev Subject: [PATCH net 2/2] net: mvpp2: prs: Use the correct helpers when removing all VID filters Date: Tue, 11 Jun 2019 11:51:43 +0200 Message-Id: <20190611095143.2810-3-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190611095143.2810-1-maxime.chevallier@bootlin.com> References: <20190611095143.2810-1-maxime.chevallier@bootlin.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org When removing all VID filters, the mvpp2_prs_vid_entry_remove would be called with the TCAM id incorrectly used as a VID, causing the wrong TCAM entries to be invalidated. Fix this by directly invalidating entries in the VID range. Fixes: 56beda3db602 ("net: mvpp2: Add hardware offloading for VLAN filtering") Suggested-by: Yuri Chipchev Signed-off-by: Maxime Chevallier --- drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c index e0da4db3bf56..ae2240074d8e 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c @@ -2025,8 +2025,10 @@ void mvpp2_prs_vid_remove_all(struct mvpp2_port *port) for (tid = MVPP2_PRS_VID_PORT_FIRST(port->id); tid <= MVPP2_PRS_VID_PORT_LAST(port->id); tid++) { - if (priv->prs_shadow[tid].valid) - mvpp2_prs_vid_entry_remove(port, tid); + if (priv->prs_shadow[tid].valid) { + mvpp2_prs_hw_inv(priv, tid); + priv->prs_shadow[tid].valid = false; + } } }