From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rasesh Mody Subject: [PATCH 15/45] bna: Set MBOX MSIX Index to Zero Date: Mon, 18 Jul 2011 01:22:35 -0700 Message-ID: <1310977385-5268-5-git-send-email-rmody@brocade.com> References: <1310977385-5268-1-git-send-email-rmody@brocade.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , Rasesh Mody To: , Return-path: Received: from mx0b-000f0801.pphosted.com ([67.231.152.113]:37782 "EHLO mx0b-000f0801.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753801Ab1GRIXf (ORCPT ); Mon, 18 Jul 2011 04:23:35 -0400 In-Reply-To: <1310977385-5268-1-git-send-email-rmody@brocade.com> Sender: netdev-owner@vger.kernel.org List-ID: Change details: - Modifying mbox irq alloc/free code to use MSIX index 0 for mailbox - Call register_netdev() with the bnad_conf_lock() not held. - setting interrupt type conditionally - MSI-X or INTx and not setting interrupt type invariably to INTx. Signed-off-by: Rasesh Mody --- drivers/net/bna/bnad.c | 17 +++++++++-------- drivers/net/bna/bnad.h | 3 +++ 2 files changed, 12 insertions(+), 8 deletions(-) diff --git a/drivers/net/bna/bnad.c b/drivers/net/bna/bnad.c index f696d3a..cd2b921 100644 --- a/drivers/net/bna/bnad.c +++ b/drivers/net/bna/bnad.c @@ -58,7 +58,7 @@ static const u8 bnad_bcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; #define BNAD_GET_MBOX_IRQ(_bnad) \ (((_bnad)->cfg_flags & BNAD_CF_MSIX) ? \ - ((_bnad)->msix_table[(_bnad)->msix_num - 1].vector) : \ + ((_bnad)->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector) : \ ((_bnad)->pcidev->irq)) #define BNAD_FILL_UNMAPQ_MEM_REQ(_res_info, _num, _depth) \ @@ -1216,17 +1216,17 @@ bnad_mbox_irq_alloc(struct bnad *bnad, spin_lock_irqsave(&bnad->bna_lock, flags); if (bnad->cfg_flags & BNAD_CF_MSIX) { irq_handler = (irq_handler_t)bnad_msix_mbox_handler; - irq = bnad->msix_table[bnad->msix_num - 1].vector; + irq = bnad->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector; irq_flags = 0; intr_info->intr_type = BNA_INTR_T_MSIX; - intr_info->idl[0].vector = bnad->msix_num - 1; + intr_info->idl[0].vector = BNAD_MAILBOX_MSIX_INDEX; } else { irq_handler = (irq_handler_t)bnad_isr; irq = bnad->pcidev->irq; irq_flags = IRQF_SHARED; intr_info->intr_type = BNA_INTR_T_INTX; - /* intr_info->idl.vector = 0 ? */ } + spin_unlock_irqrestore(&bnad->bna_lock, flags); sprintf(bnad->mbox_irq_name, "%s", BNAD_NAME); @@ -1279,11 +1279,12 @@ bnad_txrx_irq_alloc(struct bnad *bnad, enum bnad_intr_source src, switch (src) { case BNAD_INTR_TX: - vector_start = txrx_id; + vector_start = BNAD_MAILBOX_MSIX_VECTORS + txrx_id; break; case BNAD_INTR_RX: - vector_start = bnad->num_tx * bnad->num_txq_per_tx + + vector_start = BNAD_MAILBOX_MSIX_VECTORS + + (bnad->num_tx * bnad->num_txq_per_tx) + txrx_id; break; @@ -1304,11 +1305,11 @@ bnad_txrx_irq_alloc(struct bnad *bnad, enum bnad_intr_source src, switch (src) { case BNAD_INTR_TX: - intr_info->idl[0].vector = 0x1; /* Bit mask : Tx IB */ + intr_info->idl[0].vector = BNAD_INTX_TX_IB_BITMASK; break; case BNAD_INTR_RX: - intr_info->idl[0].vector = 0x2; /* Bit mask : Rx IB */ + intr_info->idl[0].vector = BNAD_INTX_RX_IB_BITMASK; break; } } diff --git a/drivers/net/bna/bnad.h b/drivers/net/bna/bnad.h index 0928e68..6a161b0 100644 --- a/drivers/net/bna/bnad.h +++ b/drivers/net/bna/bnad.h @@ -68,7 +68,10 @@ struct bnad_rx_ctrl { #define BNAD_VERSION "2.3.2.3" +#define BNAD_MAILBOX_MSIX_INDEX 0 #define BNAD_MAILBOX_MSIX_VECTORS 1 +#define BNAD_INTX_TX_IB_BITMASK 0x1 +#define BNAD_INTX_RX_IB_BITMASK 0x2 #define BNAD_STATS_TIMER_FREQ 1000 /* in msecs */ #define BNAD_DIM_TIMER_FREQ 1000 /* in msecs */ -- 1.7.1