xfrm: copy_to_user_state fetch offloaded SA packets/bytes statistics

Both in RX and TX, the traffic that performs IPsec packet offload
transformation is accounted by HW only. Consequently, the HW should
be queried for packets/bytes statistics when user asks for such
transformation data.

Signed-off-by: Raed Salem <[email protected]>
Link: https://lore.kernel.org/r/d90ec74186452b1509ee94875d942cb777b7181e.1678714336.git.leon@kernel.org
Acked-by: Steffen Klassert <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>

Author: raed-salem

net/xfrm/xfrm_user.c

@@ -901,6 +901,8 @@ static void copy_to_user_state(struct xfrm_state *x, struct xfrm_usersa_info *p)
 	memcpy(&p->id, &x->id, sizeof(p->id));
 	memcpy(&p->sel, &x->sel, sizeof(p->sel));
 	memcpy(&p->lft, &x->lft, sizeof(p->lft));
+	if (x->xso.dev)
+		xfrm_dev_state_update_curlft(x);
 	memcpy(&p->curlft, &x->curlft, sizeof(p->curlft));
 	put_unaligned(x->stats.replay_window, &p->stats.replay_window);
 	put_unaligned(x->stats.replay, &p->stats.replay);