[Intel-wired-lan] [RFC PATCH jkirsher/next-queue 8/9] ixgbe: add the Rx ipsec offload processing

[Alexander Duyck]

On Thu, Nov 16, 2017 at 11:54 AM, Shannon Nelson
<shannon.nelson at oracle.com> wrote:
> Add the ipsec check and processing into the Rx handler.
>
> Signed-off-by: Shannon Nelson <shannon.nelson at oracle.com>
> ---
>  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
> index a434675..2bb4c5f 100644
> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
> @@ -2424,6 +2424,9 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
>                         }
>                 }
>  #endif /* IXGBE_FCOE */
> +               /* was IPsec offload processing done?  */
> +               if (adapter->flags2 & IXGBE_FLAG2_IPSEC_ENABLED)
> +                       ixgbe_ipsec_process_rx_offload(rx_ring, rx_desc, skb);
>
>                 ixgbe_rx_skb(q_vector, skb);

Generally I prefer to use ring flags rather than global ones. It keeps
us from having to reach too far. In addition you could probably make
this a part of ixgbe_process_skb_fields since that is the proper place
for handling anything that updates metadata in the skb.