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path: root/drivers/net/ovpn/bind.c
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2026-02-21treewide: Replace kmalloc with kmalloc_obj for non-scalar typesKees Cook
This is the result of running the Coccinelle script from scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to avoid scalar types (which need careful case-by-case checking), and instead replace kmalloc-family calls that allocate struct or union object instances: Single allocations: kmalloc(sizeof(TYPE), ...) are replaced with: kmalloc_obj(TYPE, ...) Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...) are replaced with: kmalloc_objs(TYPE, COUNT, ...) Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...) are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...) (where TYPE may also be *VAR) The resulting allocations no longer return "void *", instead returning "TYPE *". Signed-off-by: Kees Cook <kees@kernel.org>
2025-04-17ovpn: implement packet processingAntonio Quartulli
This change implements encryption/decryption and encapsulation/decapsulation of OpenVPN packets. Support for generic crypto state is added along with a wrapper for the AEAD crypto kernel API. Signed-off-by: Antonio Quartulli <antonio@openvpn.net> Link: https://patch.msgid.link/20250415-b4-ovpn-v26-9-577f6097b964@openvpn.net Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-04-17ovpn: introduce the ovpn_peer objectAntonio Quartulli
An ovpn_peer object holds the whole status of a remote peer (regardless whether it is a server or a client). This includes status for crypto, tx/rx buffers, napi, etc. Only support for one peer is introduced (P2P mode). Multi peer support is introduced with a later patch. Along with the ovpn_peer, also the ovpn_bind object is introcued as the two are strictly related. An ovpn_bind object wraps a sockaddr representing the local coordinates being used to talk to a specific peer. Signed-off-by: Antonio Quartulli <antonio@openvpn.net> Link: https://patch.msgid.link/20250415-b4-ovpn-v26-5-577f6097b964@openvpn.net Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name> Signed-off-by: Paolo Abeni <pabeni@redhat.com>