Re: [dpdk-dev] [PATCH v2] i40e: fix of compile error

["Wu, Jingjing" <jingjing.wu@intel.com>]

> -----Original Message-----
> From: Zhang, Helin
> Sent: Wednesday, December 03, 2014 9:13 AM
> To: dev@dpdk.org
> Cc: Cao, Waterman; Cao, Min; Wu, Jingjing; Zhang, Helin
> Subject: [PATCH v2] i40e: fix of compile error
> 
> The compile error will occur as below when set
> 'RTE_LIBRTE_I40E_16BYTE_RX_DESC=y'.
> 'fd_id' should be used to replace 'fd', as 'fd' is not defined in that structure at
> all. In addition, local variable of 'flexbl' and 'flexbh' must be used only if
> 32 bytes RX descriptor is selected.
> 
> error logs:
> lib/librte_pmd_i40e/i40e_rxtx.c: In function i40e_rxd_build_fdir:
> lib/librte_pmd_i40e/i40e_rxtx.c:431:28: error: volatile union <anonymous>
> has no member named fd
> lib/librte_pmd_i40e/i40e_rxtx.c:427:19: error: unused variable flexbl [-
> Werror=unused-variable]
> lib/librte_pmd_i40e/i40e_rxtx.c:427:11: error: unused variable flexbh [-
> Werror=unused-variable]
> 
> Signed-off-by: Helin Zhang <helin.zhang@intel.com>
> ---
>  lib/librte_pmd_i40e/i40e_rxtx.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> v2 changes:
> * Removed the changes for code style fix, and kept it for compile error fix
> only.
> * Re-word the commit logs.
> 
> diff --git a/lib/librte_pmd_i40e/i40e_rxtx.c b/lib/librte_pmd_i40e/i40e_rxtx.c
> index 2d2ef04..63c872d 100644
> --- a/lib/librte_pmd_i40e/i40e_rxtx.c
> +++ b/lib/librte_pmd_i40e/i40e_rxtx.c
> @@ -424,13 +424,9 @@ static inline uint64_t  i40e_rxd_build_fdir(volatile
> union i40e_rx_desc *rxdp, struct rte_mbuf *mb)  {
>  	uint64_t flags = 0;
> +#ifndef RTE_LIBRTE_I40E_16BYTE_RX_DESC
>  	uint16_t flexbh, flexbl;
> 
> -#ifdef RTE_LIBRTE_I40E_16BYTE_RX_DESC
> -	mb->hash.fdir.hi =
> -		rte_le_to_cpu_32(rxdp->wb.qword0.hi_dword.fd);
> -	flags |= PKT_RX_FDIR_ID;
> -#else
>  	flexbh = (rte_le_to_cpu_32(rxdp->wb.qword2.ext_status) >>
>  		I40E_RX_DESC_EXT_STATUS_FLEXBH_SHIFT) &
>  		I40E_RX_DESC_EXT_STATUS_FLEXBH_MASK;
> @@ -453,6 +449,10 @@ i40e_rxd_build_fdir(volatile union i40e_rx_desc
> *rxdp, struct rte_mbuf *mb)
>  			rte_le_to_cpu_32(rxdp-
> >wb.qword3.lo_dword.flex_bytes_lo);
>  		flags |= PKT_RX_FDIR_FLX;
>  	}
> +#else
> +	mb->hash.fdir.hi =
> +		rte_le_to_cpu_32(rxdp->wb.qword0.hi_dword.fd_id);
> +	flags |= PKT_RX_FDIR_ID;
>  #endif
>  	return flags;
>  }
> --
> 1.9.3

Acked-by: Jingjing Wu <jingjing.wu@intel.com>