Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756974Ab1FIHSq (ORCPT ); Thu, 9 Jun 2011 03:18:46 -0400 Received: from mail-qw0-f46.google.com ([209.85.216.46]:38573 "EHLO mail-qw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756832Ab1FIHSg (ORCPT ); Thu, 9 Jun 2011 03:18:36 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=nN8xAe9IIlEKjaDOnKWchs60o/pTB6qkZ5s4iU2q2TpxVeztWeP3idAhPbhTBfIdhq A37uD2jPsiwuWQcDHpIe3tQ/xJhdiTOp/4jBgUEIk/S6BdrU+6QH6/E7Oy6JZp+LBAhE AljS4WjMTsmifiHUVAKDHK3/Aph00KYPQUI+8= From: Weiping Pan To: fubar@us.ibm.com, andy@greyhouse.net Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Weiping Pan Subject: [PATCH net-next 2/5] bonding:delete lacp_fast from ad_bond_info Date: Thu, 9 Jun 2011 15:19:02 +0800 Message-Id: <3817de7b47ccfd48b0028f38f268ff241a34e9ec.1307603621.git.panweiping3@gmail.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4445 Lines: 105 These is also a bug, that if you modify lacp_rate via sysfs, and add new slaves in bonding, new slaves won't use the latest lacp_rate, since ad_bond_info->lacp_fast is initialized only once, in bond_3ad_initialize(). Since both struct bond_params and ad_bond_info have lacp_fast, they are duplicate and need extra synchronization. bond_3ad_bind_slave() can use bond_params->lacp_fast to initialize port. So we can just remove lacp_fast from struct ad_bond_info. Signed-off-by: Weiping Pan --- drivers/net/bonding/bond_3ad.c | 7 +++---- drivers/net/bonding/bond_3ad.h | 5 +---- drivers/net/bonding/bond_main.c | 3 +-- 3 files changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 4512bc4..013a801 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -1868,11 +1868,10 @@ static u16 aggregator_identifier; * bond_3ad_initialize - initialize a bond's 802.3ad parameters and structures * @bond: bonding struct to work on * @tick_resolution: tick duration (millisecond resolution) - * @lacp_fast: boolean. whether fast periodic should be used * * Can be called only after the mac address of the bond is set. */ -void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution, int lacp_fast) +void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution) { // check that the bond is not initialized yet if (MAC_ADDRESS_COMPARE(&(BOND_AD_INFO(bond).system.sys_mac_addr), @@ -1880,7 +1879,6 @@ void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution, int lacp_fas aggregator_identifier = 0; - BOND_AD_INFO(bond).lacp_fast = lacp_fast; BOND_AD_INFO(bond).system.sys_priority = 0xFFFF; BOND_AD_INFO(bond).system.sys_mac_addr = *((struct mac_addr *)bond->dev->dev_addr); @@ -1903,6 +1901,7 @@ void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution, int lacp_fas int bond_3ad_bind_slave(struct slave *slave) { struct bonding *bond = bond_get_bond_by_slave(slave); + int lacp_fast = bond->params.lacp_fast; struct port *port; struct aggregator *aggregator; @@ -1918,7 +1917,7 @@ int bond_3ad_bind_slave(struct slave *slave) // port initialization port = &(SLAVE_AD_INFO(slave).port); - ad_initialize_port(port, BOND_AD_INFO(bond).lacp_fast); + ad_initialize_port(port, lacp_fast); port->slave = slave; port->actor_port_number = SLAVE_AD_INFO(slave).id; diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h index e466faf..9782785 100644 --- a/drivers/net/bonding/bond_3ad.h +++ b/drivers/net/bonding/bond_3ad.h @@ -254,9 +254,6 @@ struct ad_bond_info { struct ad_system system; /* 802.3ad system structure */ u32 agg_select_timer; // Timer to select aggregator after all adapter's hand shakes u32 agg_select_mode; // Mode of selection of active aggregator(bandwidth/count) - int lacp_fast; /* whether fast periodic tx should be - * requested - */ struct timer_list ad_timer; }; @@ -269,7 +266,7 @@ struct ad_slave_info { }; // ================= AD Exported functions to the main bonding code ================== -void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution, int lacp_fast); +void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution); int bond_3ad_bind_slave(struct slave *slave); void bond_3ad_unbind_slave(struct slave *slave); void bond_3ad_state_machine_handler(struct work_struct *); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 716c852..bb1af9c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1843,8 +1843,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) /* Initialize AD with the number of times that the AD timer is called in 1 second * can be called only after the mac address of the bond is set */ - bond_3ad_initialize(bond, 1000/AD_TIMER_INTERVAL, - bond->params.lacp_fast); + bond_3ad_initialize(bond, 1000/AD_TIMER_INTERVAL); } else { SLAVE_AD_INFO(new_slave).id = SLAVE_AD_INFO(new_slave->prev).id + 1; -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/