On Wed, 20 Dec 2017 11:32:51 +0000
Radu Nicolau <radu.nico...@intel.com> wrote:
> All ipsec related setting are being held in the driver
> private data to allow easy add and remove of SAs. There
> is no need to keep a record of the keys, and also
> storing the keys can be a security issue.
>
> Signed-off-by: Radu Nicolau <radu.nico...@intel.com>
> Acked-by: Declan Doherty <declan.dohe...@intel.com>
> ---
> drivers/net/ixgbe/ixgbe_ipsec.c | 78
> ++++++++++++++++++-----------------------
> drivers/net/ixgbe/ixgbe_ipsec.h | 4 ---
> 2 files changed, 35 insertions(+), 47 deletions(-)
>
> diff --git a/drivers/net/ixgbe/ixgbe_ipsec.c b/drivers/net/ixgbe/ixgbe_ipsec.c
> index 105da11..a7ba358 100644
> --- a/drivers/net/ixgbe/ixgbe_ipsec.c
> +++ b/drivers/net/ixgbe/ixgbe_ipsec.c
> @@ -70,6 +70,8 @@ static void
> ixgbe_crypto_clear_ipsec_tables(struct rte_eth_dev *dev)
> {
> struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> + struct ixgbe_ipsec *priv = IXGBE_DEV_PRIVATE_TO_IPSEC(
> + dev->data->dev_private);
> int i = 0;
>
> /* clear Rx IP table*/
> @@ -106,6 +108,10 @@ ixgbe_crypto_clear_ipsec_tables(struct rte_eth_dev *dev)
> IXGBE_WRITE_REG(hw, IXGBE_IPSTXSALT, 0);
> IXGBE_WAIT_TWRITE;
> }
> +
> + memset(priv->rx_ip_tbl, 0, sizeof(priv->rx_ip_tbl));
> + memset(priv->rx_sa_tbl, 0, sizeof(priv->rx_sa_tbl));
> + memset(priv->tx_sa_tbl, 0, sizeof(priv->tx_sa_tbl));
GCC has been known to optimize out this kind of memset.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=8537
