* [Intel-wired-lan] [PATCH] ixgbe: fail to create xfrm offload of IPsec tunnel mode SA [not found] <20200828111101.GA16518@AntonyAntony.local> @ 2020-10-14 14:17 ` Antony Antony 2020-10-14 18:14 ` Shannon Nelson 0 siblings, 1 reply; 2+ messages in thread From: Antony Antony @ 2020-10-14 14:17 UTC (permalink / raw) To: intel-wired-lan Based on talks and indirect references ixgbe IPsec offlod do not support IPsec tunnel mode offload. It can only support IPsec transport mode offload. Now explicitly fail when creating non transport mode SA with offload to avoid false performance expectations. Fixes: 63a67fe229ea ("ixgbe: add ipsec offload add and remove SA") Signed-off-by: Antony Antony <antony@phenome.org> --- drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c | 5 +++++ drivers/net/ethernet/intel/ixgbevf/ipsec.c | 5 +++++ 2 files changed, 10 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c index eca73526ac86..54d47265a7ac 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c @@ -575,6 +575,11 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) return -EINVAL; } + if (xs->props.mode != XFRM_MODE_TRANSPORT) { + netdev_err(dev, "Unsupported mode for ipsec offload\n"); + return -EINVAL; + } + if (ixgbe_ipsec_check_mgmt_ip(xs)) { netdev_err(dev, "IPsec IP addr clash with mgmt filters\n"); return -EINVAL; diff --git a/drivers/net/ethernet/intel/ixgbevf/ipsec.c b/drivers/net/ethernet/intel/ixgbevf/ipsec.c index 5170dd9d8705..caaea2c920a6 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ipsec.c +++ b/drivers/net/ethernet/intel/ixgbevf/ipsec.c @@ -272,6 +272,11 @@ static int ixgbevf_ipsec_add_sa(struct xfrm_state *xs) return -EINVAL; } + if (xs->props.mode != XFRM_MODE_TRANSPORT) { + netdev_err(dev, "Unsupported mode for ipsec offload\n"); + return -EINVAL; + } + if (xs->xso.flags & XFRM_OFFLOAD_INBOUND) { struct rx_sa rsa; -- 2.21.3 ^ permalink raw reply related [flat|nested] 2+ messages in thread
* [Intel-wired-lan] [PATCH] ixgbe: fail to create xfrm offload of IPsec tunnel mode SA 2020-10-14 14:17 ` [Intel-wired-lan] [PATCH] ixgbe: fail to create xfrm offload of IPsec tunnel mode SA Antony Antony @ 2020-10-14 18:14 ` Shannon Nelson 0 siblings, 0 replies; 2+ messages in thread From: Shannon Nelson @ 2020-10-14 18:14 UTC (permalink / raw) To: intel-wired-lan On 10/14/20 7:17 AM, Antony Antony wrote: > Based on talks and indirect references ixgbe IPsec offlod do not > support IPsec tunnel mode offload. It can only support IPsec transport > mode offload. Now explicitly fail when creating non transport mode SA > with offload to avoid false performance expectations. > > Fixes: 63a67fe229ea ("ixgbe: add ipsec offload add and remove SA") > Signed-off-by: Antony Antony <antony@phenome.org> Acked-by: Shannon Nelson <snelson@pensando.io> > --- > drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c | 5 +++++ > drivers/net/ethernet/intel/ixgbevf/ipsec.c | 5 +++++ > 2 files changed, 10 insertions(+) > > diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c > index eca73526ac86..54d47265a7ac 100644 > --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c > +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c > @@ -575,6 +575,11 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) > return -EINVAL; > } > > + if (xs->props.mode != XFRM_MODE_TRANSPORT) { > + netdev_err(dev, "Unsupported mode for ipsec offload\n"); > + return -EINVAL; > + } > + > if (ixgbe_ipsec_check_mgmt_ip(xs)) { > netdev_err(dev, "IPsec IP addr clash with mgmt filters\n"); > return -EINVAL; > diff --git a/drivers/net/ethernet/intel/ixgbevf/ipsec.c b/drivers/net/ethernet/intel/ixgbevf/ipsec.c > index 5170dd9d8705..caaea2c920a6 100644 > --- a/drivers/net/ethernet/intel/ixgbevf/ipsec.c > +++ b/drivers/net/ethernet/intel/ixgbevf/ipsec.c > @@ -272,6 +272,11 @@ static int ixgbevf_ipsec_add_sa(struct xfrm_state *xs) > return -EINVAL; > } > > + if (xs->props.mode != XFRM_MODE_TRANSPORT) { > + netdev_err(dev, "Unsupported mode for ipsec offload\n"); > + return -EINVAL; > + } > + > if (xs->xso.flags & XFRM_OFFLOAD_INBOUND) { > struct rx_sa rsa; > ^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-10-14 14:17 ` [Intel-wired-lan] [PATCH] ixgbe: fail to create xfrm offload of IPsec tunnel mode SA Antony Antony
2020-10-14 18:14 ` Shannon Nelson
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