From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next PATCH 03/26] igb: move initialization of number of queues into set_interrupt_capability Date: Sat, 07 Feb 2009 01:15:45 -0800 Message-ID: <20090207091544.15697.99817.stgit@lost.foo-projects.org> References: <20090207091504.15697.26667.stgit@lost.foo-projects.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, jeff@garzik.org, gospo@redhat.com, Alexander Duyck , Jeff Kirsher To: davem@davemloft.net Return-path: Received: from qmta02.emeryville.ca.mail.comcast.net ([76.96.30.24]:43103 "EHLO QMTA02.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751980AbZBGJQF (ORCPT ); Sat, 7 Feb 2009 04:16:05 -0500 In-Reply-To: <20090207091504.15697.26667.stgit@lost.foo-projects.org> Sender: netdev-owner@vger.kernel.org List-ID: From: Alexander Duyck This patch moves the initialization of the number of queues into set_interrupt_capability. This allows the number of queues to increase in the unlikely event that the system initially fails to allocate enough msi-x interrupts, does a suspend/resume, and then can allocate enough interrupts on resume. Signed-off-by: Alexander Duyck Signed-off-by: Jeff Kirsher --- drivers/net/igb/igb_main.c | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index ec5855a..6ef0adb 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -543,6 +543,11 @@ static void igb_set_interrupt_capability(struct igb_adapter *adapter) int err; int numvecs, i; + /* Number of supported queues. */ + /* Having more queues than CPUs doesn't make sense. */ + adapter->num_rx_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus()); + adapter->num_tx_queues = min_t(u32, IGB_MAX_TX_QUEUES, num_online_cpus()); + numvecs = adapter->num_tx_queues + adapter->num_rx_queues + 1; adapter->msix_entries = kcalloc(numvecs, sizeof(struct msix_entry), GFP_KERNEL); @@ -1450,11 +1455,6 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter) adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN; adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; - /* Number of supported queues. */ - /* Having more queues than CPUs doesn't make sense. */ - adapter->num_rx_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus()); - adapter->num_tx_queues = min_t(u32, IGB_MAX_TX_QUEUES, num_online_cpus()); - /* This call may decrease the number of queues depending on * interrupt mode. */ igb_set_interrupt_capability(adapter);