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Date: Tue, 18 Jun 2024 18:05:27 +0100
From: Bruce Richardson <bruce.richardson@intel.com>
To: Anatoly Burakov <anatoly.burakov@intel.com>
CC: <dev@dpdk.org>, <ian.stokes@intel.com>
Subject: Re: [PATCH v2 125/148] net/ice/base: fix compile issues on some
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Errors-To: dev-bounces@dpdk.org

On Wed, Jun 12, 2024 at 04:01:59PM +0100, Anatoly Burakov wrote:
> To avoid triggering compile errors reported on some targets, use
> explicit type casts to specify type conversion.
> 
> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
> ---
>  drivers/net/ice/base/ice_flow.h   | 2 +-
>  drivers/net/ice/base/ice_parser.c | 7 ++++---
>  drivers/net/ice/base/ice_ptp_hw.c | 9 +++++----
>  drivers/net/ice/base/ice_switch.c | 7 ++++---
>  4 files changed, 14 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/net/ice/base/ice_flow.h b/drivers/net/ice/base/ice_flow.h
> index fd2ec39c1e..65b261beca 100644
> --- a/drivers/net/ice/base/ice_flow.h
> +++ b/drivers/net/ice/base/ice_flow.h
> @@ -485,7 +485,7 @@ struct ice_flow_entry {
>  	u8 acts_cnt;
>  };
>  
> -#define ICE_FLOW_ENTRY_HNDL(e)	((intptr_t)e)
> +#define ICE_FLOW_ENTRY_HNDL(e)	((u64)e)
>  #define ICE_FLOW_ENTRY_PTR(h)	((struct ice_flow_entry *)(h))
>  
>  struct ice_flow_prof {
> diff --git a/drivers/net/ice/base/ice_parser.c b/drivers/net/ice/base/ice_parser.c
> index c9bcf9ea5e..e242fa8353 100644
> --- a/drivers/net/ice/base/ice_parser.c
> +++ b/drivers/net/ice/base/ice_parser.c
> @@ -96,7 +96,7 @@ void *ice_parser_sect_item_get(u32 sect_type, void *section,
>  	if (index >= LE16_TO_CPU(hdr->count))
>  		return NULL;
>  
> -	return (void *)((uintptr_t)section + data_off + index * size);
> +	return (void *)((u64)section + data_off + index * size);
>  }
>  

This change (and below) gives compilation errors with 32-bit, since you are
casting from a 64-bit int to a 32-bit pointer. Better to keep as uintptr_t.


>  /**
> @@ -146,9 +146,10 @@ void *ice_parser_create_table(struct ice_hw *hw, u32 sect_type,
>  			if (no_offset)
>  				idx++;
>  			else
> -				idx = hdr->offset + state.entry_idx;
> +				idx = LE16_TO_CPU(hdr->offset) +
> +							state.entry_idx;
>  			parse_item(hw, idx,
> -				   (void *)((uintptr_t)table + idx * item_size),
> +				   (void *)((u64)table + idx * item_size),
>  				   data, item_size);
>  		}
>  	} while (data);

/Bruce