netdev - [RFC 3/4] netdevsim: support the static IANA VXLAN port flag

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Date:   Wed, 22 Jul 2020 16:48:37 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     saeedm@...lanox.com
Cc:     netdev@...r.kernel.org, mkubecek@...e.cz,
        Jakub Kicinski <kuba@...nel.org>
Subject: [RFC 3/4] netdevsim: support the static IANA VXLAN port flag

Allow setting UDP_TUNNEL_NIC_INFO_STATIC_IANA_VXLAN.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 drivers/net/netdevsim/netdevsim.h   | 1 +
 drivers/net/netdevsim/udp_tunnels.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h
index 4335ab4e5ce0..8a8ba687cc59 100644
--- a/drivers/net/netdevsim/netdevsim.h
+++ b/drivers/net/netdevsim/netdevsim.h
@@ -205,6 +205,7 @@ struct nsim_dev {
 		bool open_only;
 		bool ipv4_only;
 		bool shared;
+		bool static_iana_vxlan;
 		u32 sleep;
 	} udp_ports;
 };
diff --git a/drivers/net/netdevsim/udp_tunnels.c b/drivers/net/netdevsim/udp_tunnels.c
index 6b98e6d1188f..6ab023acefd6 100644
--- a/drivers/net/netdevsim/udp_tunnels.c
+++ b/drivers/net/netdevsim/udp_tunnels.c
@@ -186,6 +186,8 @@ int nsim_udp_tunnels_info_create(struct nsim_dev *nsim_dev,
 		info->flags |= UDP_TUNNEL_NIC_INFO_IPV4_ONLY;
 	if (nsim_dev->udp_ports.shared)
 		info->shared = &nsim_dev->udp_ports.utn_shared;
+	if (nsim_dev->udp_ports.static_iana_vxlan)
+		info->flags |= UDP_TUNNEL_NIC_INFO_STATIC_IANA_VXLAN;
 
 	dev->udp_tunnel_nic_info = info;
 	return 0;
@@ -207,6 +209,8 @@ void nsim_udp_tunnels_debugfs_create(struct nsim_dev *nsim_dev)
 			    &nsim_dev->udp_ports.ipv4_only);
 	debugfs_create_bool("udp_ports_shared", 0600, nsim_dev->ddir,
 			    &nsim_dev->udp_ports.shared);
+	debugfs_create_bool("udp_ports_static_iana_vxlan", 0600, nsim_dev->ddir,
+			    &nsim_dev->udp_ports.static_iana_vxlan);
 	debugfs_create_u32("udp_ports_sleep", 0600, nsim_dev->ddir,
 			   &nsim_dev->udp_ports.sleep);
 }
-- 
2.26.2