On 12/11/2015 7:11 PM, Tom Herbert wrote:
On Tue, Dec 8, 2015 at 10:12 AM, Anjali Singhai Jain <anjali.sing...@intel.com> wrote:Add ndo_ops to add/del UDP ports to a device that supports geneve offload. v3: Add some more comments about the use of the new ndo ops. Signed-off-by: Anjali Singhai Jain <anjali.singhai at intel.com> Signed-off-by: Kiran Patil <kiran.patil at intel.com> --- drivers/net/geneve.c | 23 +++++++++++++++++++++++ include/linux/netdevice.h | 21 ++++++++++++++++++++- 2 files changed, 43 insertions(+), 1 deletion(-) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index de5c30c..b43fd56 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -371,8 +371,11 @@ static struct socket *geneve_create_sock(struct net *net, bool ipv6, static void geneve_notify_add_rx_port(struct geneve_sock *gs) { + struct net_device *dev; struct sock *sk = gs->sock->sk; + struct net *net = sock_net(sk); sa_family_t sa_family = sk->sk_family; + __be16 port = inet_sk(sk)->inet_sport; int err; if (sa_family == AF_INET) { @@ -381,6 +384,14 @@ static void geneve_notify_add_rx_port(struct geneve_sock *gs) pr_warn("geneve: udp_add_offload failed with status %d\n", err); } + + rcu_read_lock(); + for_each_netdev_rcu(net, dev) { + if (dev->netdev_ops->ndo_add_geneve_port) + dev->netdev_ops->ndo_add_geneve_port(dev, sa_family, + port); + } + rcu_read_unlock();What about IPv6 case?
The driver still gets add port calls for IPv6 and can decide to offload L4 RX checksum if the HW is capable.
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