[Openvpn-devel,net-next,v2,0/3] net: tunnel: introduce noref xmit flows for tunnels

Message ID 20250912112420.4394-1-mmietus97@yahoo.com
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Series net: tunnel: introduce noref xmit flows for tunnels | expand

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Marek Mietus Sept. 12, 2025, 11:24 a.m. UTC
Currently, all xmit flows use dst_cache in a way that references
its dst_entry for each xmitted packet. These atomic operations
are redundant in some flows.

This patchset introduces new noref xmit helpers, and incorporates
them in the OpenVPN driver.

Changes in v2:
 - Fixed docstrings for dst_cache_get_ip4_rcu and dst_cache_steal_ip4

Link to v1: https://lore.kernel.org/netdev/20250909054333.12572-1-mmietus97@yahoo.com/