From: Raed Salem Date: Tue, 14 Mar 2023 08:58:39 +0000 (+0200) Subject: xfrm: add new device offload acquire flag X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e0aeb9b90acf6ee7c2d11141522ffbb5481734d3;p=linux.git xfrm: add new device offload acquire flag During XFRM acquire flow, a default SA is created to be updated later, once acquire netlink message is handled in user space. When the relevant policy is offloaded this default SA is also offloaded to IPsec offload supporting driver, however this SA does not have context suitable for offloading in HW, nor is interesting to offload to HW, consequently needs a special driver handling apart from other offloaded SA(s). Add a special flag that marks such SA so driver can handle it correctly. Signed-off-by: Raed Salem Link: https://lore.kernel.org/r/f5da0834d8c6b82ab9ba38bd4a0c55e71f0e3dab.1678714336.git.leon@kernel.org Acked-by: Steffen Klassert Signed-off-by: Leon Romanovsky --- diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 3e1f70e8e4247..33ee3f5936e69 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -138,6 +138,10 @@ enum { XFRM_DEV_OFFLOAD_PACKET, }; +enum { + XFRM_DEV_OFFLOAD_FLAG_ACQ = 1, +}; + struct xfrm_dev_offload { struct net_device *dev; netdevice_tracker dev_tracker; @@ -145,6 +149,7 @@ struct xfrm_dev_offload { unsigned long offload_handle; u8 dir : 2; u8 type : 2; + u8 flags : 2; }; struct xfrm_mode { diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 2ab3e09e22271..7cca0a1fa5ff2 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1272,6 +1272,7 @@ found: xso->dir = xdo->dir; xso->dev = xdo->dev; xso->real_dev = xdo->real_dev; + xso->flags = XFRM_DEV_OFFLOAD_FLAG_ACQ; netdev_tracker_alloc(xso->dev, &xso->dev_tracker, GFP_ATOMIC); error = xso->dev->xfrmdev_ops->xdo_dev_state_add(x, NULL);