From patchwork Thu Oct 26 09:00:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Egil Hjelmeland X-Patchwork-Id: 830541 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yN1GR75JFz9t3n for ; Thu, 26 Oct 2017 20:01:51 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752143AbdJZJBi (ORCPT ); Thu, 26 Oct 2017 05:01:38 -0400 Received: from aibo.runbox.com ([91.220.196.211]:51390 "EHLO aibo.runbox.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752071AbdJZJBT (ORCPT ); Thu, 26 Oct 2017 05:01:19 -0400 Received: from [10.9.9.211] (helo=mailfront11.runbox.com) by mailtransmit03.runbox with esmtp (Exim 4.86_2) (envelope-from ) id 1e7e2L-00075W-Ia; Thu, 26 Oct 2017 11:01:13 +0200 Received: from 93.89.113.32.ip.vitnett.no ([93.89.113.32] helo=localhost.localdomain) by mailfront11.runbox.com with esmtpsa (uid:646232 ) (TLS1.2:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.82) id 1e7e28-0006Oa-CS; Thu, 26 Oct 2017 11:01:00 +0200 From: Egil Hjelmeland To: andrew@lunn.ch, vivien.didelot@savoirfairelinux.com, f.fainelli@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Egil Hjelmeland Subject: [PATCH v2 net-next 1/2] net: dsa: lan9303: Move struct lan9303 to include/linux/dsa/lan9303.h Date: Thu, 26 Oct 2017 11:00:48 +0200 Message-Id: <20171026090049.1647-2-privat@egil-hjelmeland.no> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171026090049.1647-1-privat@egil-hjelmeland.no> References: <20171026090049.1647-1-privat@egil-hjelmeland.no> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The next patch require net/dsa/tag_lan9303.c to access struct lan9303. Therefore move struct lan9303 definitions from drivers/net/dsa/lan9303.h to new file include/linux/dsa/lan9303.h. Signed-off-by: Egil Hjelmeland Reviewed-by: Andrew Lunn --- MAINTAINERS | 1 + drivers/net/dsa/lan9303.h | 34 +--------------------------------- include/linux/dsa/lan9303.h | 36 ++++++++++++++++++++++++++++++++++++ 3 files changed, 38 insertions(+), 33 deletions(-) create mode 100644 include/linux/dsa/lan9303.h diff --git a/MAINTAINERS b/MAINTAINERS index e3a7ca9d2783..c9ee7abf4627 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9415,6 +9415,7 @@ M: Florian Fainelli S: Maintained F: net/dsa/ F: include/net/dsa.h +F: include/linux/dsa/ F: drivers/net/dsa/ NETWORKING [GENERAL] diff --git a/drivers/net/dsa/lan9303.h b/drivers/net/dsa/lan9303.h index d807b1be35f2..b868e5040830 100644 --- a/drivers/net/dsa/lan9303.h +++ b/drivers/net/dsa/lan9303.h @@ -2,39 +2,7 @@ #include #include -struct lan9303; - -struct lan9303_phy_ops { - /* PHY 1 and 2 access*/ - int (*phy_read)(struct lan9303 *chip, int port, int regnum); - int (*phy_write)(struct lan9303 *chip, int port, - int regnum, u16 val); -}; - -#define LAN9303_NUM_ALR_RECORDS 512 -struct lan9303_alr_cache_entry { - u8 mac_addr[ETH_ALEN]; - u8 port_map; /* Bitmap of ports. Zero if unused entry */ - u8 stp_override; /* non zero if set ALR_DAT1_AGE_OVERRID */ -}; - -struct lan9303 { - struct device *dev; - struct regmap *regmap; - struct regmap_irq_chip_data *irq_data; - struct gpio_desc *reset_gpio; - u32 reset_duration; /* in [ms] */ - bool phy_addr_sel_strap; - struct dsa_switch *ds; - struct mutex indirect_mutex; /* protect indexed register access */ - const struct lan9303_phy_ops *ops; - bool is_bridged; /* true if port 1 and 2 are bridged */ - u32 swe_port_state; /* remember SWE_PORT_STATE while not bridged */ - /* LAN9303 do not offer reading specific ALR entry. Cache all - * static entries in a flat table - **/ - struct lan9303_alr_cache_entry alr_cache[LAN9303_NUM_ALR_RECORDS]; -}; +#include extern const struct regmap_access_table lan9303_register_set; extern const struct lan9303_phy_ops lan9303_indirect_phy_ops; diff --git a/include/linux/dsa/lan9303.h b/include/linux/dsa/lan9303.h new file mode 100644 index 000000000000..05d8d136baab --- /dev/null +++ b/include/linux/dsa/lan9303.h @@ -0,0 +1,36 @@ +/* Included by drivers/net/dsa/lan9303.h and net/dsa/tag_lan9303.c */ +#include + +struct lan9303; + +struct lan9303_phy_ops { + /* PHY 1 and 2 access*/ + int (*phy_read)(struct lan9303 *chip, int port, int regnum); + int (*phy_write)(struct lan9303 *chip, int port, + int regnum, u16 val); +}; + +#define LAN9303_NUM_ALR_RECORDS 512 +struct lan9303_alr_cache_entry { + u8 mac_addr[ETH_ALEN]; + u8 port_map; /* Bitmap of ports. Zero if unused entry */ + u8 stp_override; /* non zero if set ALR_DAT1_AGE_OVERRID */ +}; + +struct lan9303 { + struct device *dev; + struct regmap *regmap; + struct regmap_irq_chip_data *irq_data; + struct gpio_desc *reset_gpio; + u32 reset_duration; /* in [ms] */ + bool phy_addr_sel_strap; + struct dsa_switch *ds; + struct mutex indirect_mutex; /* protect indexed register access */ + const struct lan9303_phy_ops *ops; + bool is_bridged; /* true if port 1 and 2 are bridged */ + u32 swe_port_state; /* remember SWE_PORT_STATE while not bridged */ + /* LAN9303 do not offer reading specific ALR entry. Cache all + * static entries in a flat table + **/ + struct lan9303_alr_cache_entry alr_cache[LAN9303_NUM_ALR_RECORDS]; +}; From patchwork Thu Oct 26 09:00:49 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Egil Hjelmeland X-Patchwork-Id: 830543 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yN1Gh0Vlcz9t3n for ; Thu, 26 Oct 2017 20:02:04 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752125AbdJZJBh (ORCPT ); Thu, 26 Oct 2017 05:01:37 -0400 Received: from aibo.runbox.com ([91.220.196.211]:39278 "EHLO aibo.runbox.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752061AbdJZJBT (ORCPT ); Thu, 26 Oct 2017 05:01:19 -0400 Received: from [10.9.9.211] (helo=mailfront11.runbox.com) by mailtransmit02.runbox with esmtp (Exim 4.86_2) (envelope-from ) id 1e7e2L-0007sR-PB; Thu, 26 Oct 2017 11:01:13 +0200 Received: from 93.89.113.32.ip.vitnett.no ([93.89.113.32] helo=localhost.localdomain) by mailfront11.runbox.com with esmtpsa (uid:646232 ) (TLS1.2:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.82) id 1e7e28-0006Oa-GK; Thu, 26 Oct 2017 11:01:00 +0200 From: Egil Hjelmeland To: andrew@lunn.ch, vivien.didelot@savoirfairelinux.com, f.fainelli@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Egil Hjelmeland Subject: [PATCH v2 net-next 2/2] net: dsa: lan9303: Learn addresses on CPU port when bridged Date: Thu, 26 Oct 2017 11:00:49 +0200 Message-Id: <20171026090049.1647-3-privat@egil-hjelmeland.no> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171026090049.1647-1-privat@egil-hjelmeland.no> References: <20171026090049.1647-1-privat@egil-hjelmeland.no> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org When CPU transmit directly to port using tag, the LAN9303 does not learn MAC addresses received on the CPU port into the ALR. ALR learning is performed only when transmitting using ALR lookup. Solution: If the two external ports are bridged and the packet is not STP BPDU, then use ALR lookup to allow ALR learning on CPU port. Otherwise transmit directly to port with STP state override. Signed-off-by: Egil Hjelmeland Reviewed-by: Andrew Lunn --- net/dsa/tag_lan9303.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/net/dsa/tag_lan9303.c b/net/dsa/tag_lan9303.c index 57519597c6fc..64092325aac3 100644 --- a/net/dsa/tag_lan9303.c +++ b/net/dsa/tag_lan9303.c @@ -11,6 +11,7 @@ * GNU General Public License for more details. * */ +#include #include #include #include @@ -39,6 +40,23 @@ */ #define LAN9303_TAG_LEN 4 +# define LAN9303_TAG_TX_USE_ALR BIT(3) +# define LAN9303_TAG_TX_STP_OVERRIDE BIT(4) +#define eth_stp_addr eth_reserved_addr_base + +/* Decide whether to transmit using ALR lookup, or transmit directly to + * port using tag. ALR learning is performed only when using ALR lookup. + * If the two external ports are bridged and the packet is not STP BPDU, + * then use ALR lookup to allow ALR learning on CPU port. + * Otherwise transmit directly to port with STP state override. + * See also: lan9303_separate_ports() and lan9303.pdf 6.4.10.1 + */ +static int lan9303_xmit_use_arl(struct dsa_port *dp, u8 *dest_addr) +{ + struct lan9303 *chip = dp->ds->priv; + + return chip->is_bridged && !ether_addr_equal(dest_addr, eth_stp_addr); +} static struct sk_buff *lan9303_xmit(struct sk_buff *skb, struct net_device *dev) { @@ -62,7 +80,10 @@ static struct sk_buff *lan9303_xmit(struct sk_buff *skb, struct net_device *dev) lan9303_tag = (u16 *)(skb->data + 2 * ETH_ALEN); lan9303_tag[0] = htons(ETH_P_8021Q); - lan9303_tag[1] = htons(dp->index | BIT(4)); + lan9303_tag[1] = lan9303_xmit_use_arl(dp, skb->data) ? + LAN9303_TAG_TX_USE_ALR : + dp->index | LAN9303_TAG_TX_STP_OVERRIDE; + lan9303_tag[1] = htons(lan9303_tag[1]); return skb; }