netdev - Re: [PATCH 3/7] NetXen: Multi PCI support for Quad cards

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Date:	Mon, 16 Apr 2007 10:49:24 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Linsys Contractor Mithlesh Thukral <mithlesh@...xen.com>
Cc:	netdev@...r.kernel.org, amitkale@...xen.com, jeff@...zik.org,
	mithlesh@...xen.com, netxenproj@...syssoft.com, rob@...xen.com
Subject: Re: [PATCH 3/7] NetXen: Multi PCI support for Quad cards

On Fri, 13 Apr 2007 08:39:31 -0700
Linsys Contractor Mithlesh Thukral <mithlesh@...xen.com> wrote:

> NetXen: Fix the multi PCI function for cards with more than 2 ports.
> This patch fixes the working of multi PCI capable driver on cards with 
> more than 2 ports by adding the addresses for their rings and sizes.
> 
> Signed-off by: Mithlesh Thukral <mithlesh@...xen.com>
> 
> ---
> 
>  drivers/net/netxen/netxen_nic_hw.c       |  119 +++++++++++++++++++--
>  drivers/net/netxen/netxen_nic_init.c     |    4 
>  drivers/net/netxen/netxen_nic_main.c     |   61 +++++-----
>  drivers/net/netxen/netxen_nic_phan_reg.h |    6 -
>  4 files changed, 146 insertions(+), 44 deletions(-)
> 
> diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
> index a066208..274a261 100644
> --- a/drivers/net/netxen/netxen_nic_hw.c
> +++ b/drivers/net/netxen/netxen_nic_hw.c
> @@ -140,8 +140,105 @@ struct netxen_recv_crb recv_crb_register
>  	 NETXEN_NIC_REG(0x180),
>  	 /* crb_status_ring_size */
>  	 NETXEN_NIC_REG(0x184),
> -
>  	 },
> +	/*
> +	 * Instance 3,
> +	 */
> +	{
> +	  {
> +	    {
> +	    /* crb_rcv_producer_offset: */
> +	    NETXEN_NIC_REG(0x1d8),
> +	    /* crb_rcv_consumer_offset: */
> +	    NETXEN_NIC_REG(0x1dc),
> +	    /* crb_gloablrcv_ring: */
> +	    NETXEN_NIC_REG(0x1f0),
> +	    /* crb_rcv_ring_size */
> +	    NETXEN_NIC_REG(0x1f4),
> +	    },
> +	    /* Jumbo frames */
> +	    {
> +	    /* crb_rcv_producer_offset: */		    
> +	    NETXEN_NIC_REG(0x1f8),
> +	    /* crb_rcv_consumer_offset: */
> +	    NETXEN_NIC_REG(0x1fc),
> +	    /* crb_gloablrcv_ring: */
> +	    NETXEN_NIC_REG(0x200),
> +	    /* crb_rcv_ring_size */
> +	    NETXEN_NIC_REG(0x204),
> +	    },
> +	    /* LRO */
> +	    {
> +	    /* crb_rcv_producer_offset: */
> +	    NETXEN_NIC_REG(0x208),
> +	    /* crb_rcv_consumer_offset: */
> +	    NETXEN_NIC_REG(0x20c),
> +	    /* crb_gloablrcv_ring: */
> +	    NETXEN_NIC_REG(0x210),
> +	    /* crb_rcv_ring_size */
> +	    NETXEN_NIC_REG(0x214),
> +	    }
> +	  },
> +	  /* crb_rcvstatus_ring: */
> +	  NETXEN_NIC_REG(0x218),
> +	  /* crb_rcv_status_producer: */
> +	  NETXEN_NIC_REG(0x21c),
> +	  /* crb_rcv_status_consumer: */
> +	  NETXEN_NIC_REG(0x220),
> +	  /* crb_rcvpeg_state: */
> +	  NETXEN_NIC_REG(0x224),
> +	  /* crb_status_ring_size */
> +	  NETXEN_NIC_REG(0x228),
> +	},
> +	/*
> +	 * Instance 4,
> +	 */
> +	{
> +	  {
> +	    {
> +	    /* crb_rcv_producer_offset: */
> +	    NETXEN_NIC_REG(0x22c),
> +	    /* crb_rcv_consumer_offset: */
> +	    NETXEN_NIC_REG(0x230),
> +	    /* crb_gloablrcv_ring: */
> +	    NETXEN_NIC_REG(0x234),
> +	    /* crb_rcv_ring_size */
> +	    NETXEN_NIC_REG(0x238),
> +	    },
> +	    /* Jumbo frames */
> +	    {
> +	    /* crb_rcv_producer_offset: */ 
> +	    NETXEN_NIC_REG(0x23c),
> +	    /* crb_rcv_consumer_offset: */
> +	    NETXEN_NIC_REG(0x240),
> +	    /* crb_gloablrcv_ring: */
> +	    NETXEN_NIC_REG(0x244),
> +	    /* crb_rcv_ring_size */
> +	    NETXEN_NIC_REG(0x248),
> +	    },
> +	    /* LRO */
> +	    {
> +	    /* crb_rcv_producer_offset: */
> +	    NETXEN_NIC_REG(0x24c),
> +	    /* crb_rcv_consumer_offset: */
> +	    NETXEN_NIC_REG(0x250),
> +	    /* crb_gloablrcv_ring: */
> +	    NETXEN_NIC_REG(0x254),
> +	    /* crb_rcv_ring_size */
> +	    NETXEN_NIC_REG(0x258),
> +	    }
> +	  },
> +	  /* crb_rcvstatus_ring: */
> +	  NETXEN_NIC_REG(0x25c),
> +	  /* crb_rcv_status_producer: */
> +	  NETXEN_NIC_REG(0x260),
> +	  /* crb_rcv_status_consumer: */
> +	  NETXEN_NIC_REG(0x264),
> +	  /* crb_rcvpeg_state: */
> +	  NETXEN_NIC_REG(0x268),
> +	  /* crb_status_ring_size */
> +	  NETXEN_NIC_REG(0x26c),
> +	},
>  };
>  
>  u64 ctx_addr_sig_regs[][3] = {
> @@ -294,6 +391,7 @@ int netxen_nic_hw_resources(struct netxe
>  	u32 card_cmdring = 0;
>  	struct netxen_recv_context *recv_ctx;
>  	struct netxen_rcv_desc_ctx *rcv_desc;
> +	int func_id = adapter->portnum;
>  
>  	DPRINTK(INFO, "crb_base: %lx %x", NETXEN_PCI_CRBSPACE,
>  		PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCI_CRBSPACE));
> @@ -341,7 +439,7 @@ int netxen_nic_hw_resources(struct netxe
>  			    &adapter->ctx_desc_pdev);
>  
>  	printk(KERN_INFO "ctx_desc_phys_addr: 0x%llx\n",
> -	       (unsigned long long) adapter->ctx_desc_phys_addr);
> +	       (u64) adapter->ctx_desc_phys_addr);

This will give a warning on 64 bit platforms because format doesn't match
width. You need to cast to (unsigned long long).

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