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nfp: flower: configure tunnel neighbour on cmsg rx
nfp_tun_write_neigh() function will configure a tunnel neighbour when
calling nfp_tun_neigh_event_handler() or nfp_flower_cmsg_process_one_rx()
(with no tunnel neighbour type) from firmware.
When configuring IP on physical port as a tunnel endpoint, no operation
will be performed after receiving the cmsg mentioned above.
Therefore, add a progress to configure tunnel neighbour in this case.
v2: Correct format of fixes tag.
Fixes: f1df7956c1
("nfp: flower: rework tunnel neighbour configuration")
Signed-off-by: Tianyu Yuan <tianyu.yuan@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Reviewed-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20220714081915.148378-1-simon.horman@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
parent
3d8c51b25a
commit
656bd03a2c
1 changed files with 13 additions and 5 deletions
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@ -447,7 +447,8 @@ void nfp_tun_unlink_and_update_nn_entries(struct nfp_app *app,
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static void
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nfp_tun_write_neigh(struct net_device *netdev, struct nfp_app *app,
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void *flow, struct neighbour *neigh, bool is_ipv6)
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void *flow, struct neighbour *neigh, bool is_ipv6,
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bool override)
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{
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bool neigh_invalid = !(neigh->nud_state & NUD_VALID) || neigh->dead;
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size_t neigh_size = is_ipv6 ? sizeof(struct nfp_tun_neigh_v6) :
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@ -546,6 +547,13 @@ nfp_tun_write_neigh(struct net_device *netdev, struct nfp_app *app,
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if (nn_entry->flow)
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list_del(&nn_entry->list_head);
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kfree(nn_entry);
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} else if (nn_entry && !neigh_invalid && override) {
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mtype = is_ipv6 ? NFP_FLOWER_CMSG_TYPE_TUN_NEIGH_V6 :
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NFP_FLOWER_CMSG_TYPE_TUN_NEIGH;
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nfp_tun_link_predt_entries(app, nn_entry);
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nfp_flower_xmit_tun_conf(app, mtype, neigh_size,
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nn_entry->payload,
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GFP_ATOMIC);
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}
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spin_unlock_bh(&priv->predt_lock);
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@ -610,7 +618,7 @@ nfp_tun_neigh_event_handler(struct notifier_block *nb, unsigned long event,
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dst_release(dst);
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}
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nfp_tun_write_neigh(n->dev, app, &flow6, n, true);
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nfp_tun_write_neigh(n->dev, app, &flow6, n, true, false);
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#else
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return NOTIFY_DONE;
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#endif /* CONFIG_IPV6 */
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@ -633,7 +641,7 @@ nfp_tun_neigh_event_handler(struct notifier_block *nb, unsigned long event,
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ip_rt_put(rt);
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}
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nfp_tun_write_neigh(n->dev, app, &flow4, n, false);
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nfp_tun_write_neigh(n->dev, app, &flow4, n, false, false);
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}
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#else
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return NOTIFY_DONE;
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@ -676,7 +684,7 @@ void nfp_tunnel_request_route_v4(struct nfp_app *app, struct sk_buff *skb)
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ip_rt_put(rt);
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if (!n)
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goto fail_rcu_unlock;
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nfp_tun_write_neigh(n->dev, app, &flow, n, false);
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nfp_tun_write_neigh(n->dev, app, &flow, n, false, true);
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neigh_release(n);
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rcu_read_unlock();
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return;
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@ -718,7 +726,7 @@ void nfp_tunnel_request_route_v6(struct nfp_app *app, struct sk_buff *skb)
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if (!n)
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goto fail_rcu_unlock;
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nfp_tun_write_neigh(n->dev, app, &flow, n, true);
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nfp_tun_write_neigh(n->dev, app, &flow, n, true, true);
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neigh_release(n);
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rcu_read_unlock();
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return;
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