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wireguard: eliminate some calls to main thread

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Type: improvement

Roaming functionality allows the peer address to change. The main thread
was being called to update a peer's address if necessary after
processing a received packet. Check in the worker whether this is
necessary before incurring the overhead of the RPC to the main thread.

Signed-off-by: Matthew Smith <mgsmith@netgate.com>
Change-Id: I02184b92dc658e0f57dd39993a3b2f9944187b45
This commit is contained in:
Matthew Smith
2022-09-02 14:34:38 +00:00
committed by Beno�t Ganne
parent 503225c458
commit 6a3f0ab2fd
1 changed files with 10 additions and 4 deletions
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14
src/plugins/wireguard/wireguard_input.c
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@ -837,8 +837,11 @@ wg_input_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
if (PREDICT_FALSE (peer_idx && (last_peer_time_idx != peer_idx)))
{
wg_peer_update_endpoint_from_mt (*peer_idx, &out_src_ip,
out_udp_src_port);
if (PREDICT_FALSE (
!ip46_address_is_equal (&peer->dst.addr, &out_src_ip) ||
peer->dst.port != out_udp_src_port))
wg_peer_update_endpoint_from_mt (*peer_idx, &out_src_ip,
out_udp_src_port);
wg_timers_any_authenticated_packet_received_opt (peer, time);
wg_timers_any_authenticated_packet_traversal (peer);
last_peer_time_idx = peer_idx;
@ -970,8 +973,11 @@ wg_input_post (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame,
if (PREDICT_FALSE (peer_idx && (last_peer_time_idx != peer_idx)))
{
wg_peer_update_endpoint_from_mt (*peer_idx, &out_src_ip,
out_udp_src_port);
if (PREDICT_FALSE (
!ip46_address_is_equal (&peer->dst.addr, &out_src_ip) ||
peer->dst.port != out_udp_src_port))
wg_peer_update_endpoint_from_mt (*peer_idx, &out_src_ip,
out_udp_src_port);
wg_timers_any_authenticated_packet_received_opt (peer, time);
wg_timers_any_authenticated_packet_traversal (peer);
last_peer_time_idx = peer_idx;