Re: [PATCH net-next v8 07/15] quic: add connection id management

On 1/26/26 3:51 PM, Xin Long wrote:
> This patch introduces 'struct quic_conn_id_set' for managing Connection
> IDs (CIDs), which are represented by 'struct quic_source_conn_id'
> and 'struct quic_dest_conn_id'.
> 
> It provides helpers to add and remove CIDs from the set, and handles
> insertion of source CIDs into the global connection ID hash table
> when necessary.
> 
> - quic_conn_id_add(): Add a new Connection ID to the set, and inserts
>   it to conn_id hash table if it is a source conn_id.
> 
> - quic_conn_id_remove(): Remove connection IDs the set with sequence
>   numbers less than or equal to a number.
> 
> It also adds utilities to look up CIDs by value or sequence number,
> search the global hash table for incoming packets, and check for
> stateless reset tokens among destination CIDs. These functions are
> essential for RX path connection lookup and stateless reset processing.
> 
> - quic_conn_id_find(): Find a Connection ID in the set by seq number.
> 
> - quic_conn_id_lookup(): Lookup a Connection ID from global hash table
>   using the ID value, typically used for socket lookup on the RX path.
> 
> - quic_conn_id_token_exists(): Check if a stateless reset token exists
>   in any dest Connection ID (used during stateless reset processing).
> 
> Note source/dest conn_id set is per socket, the operations on it are
> always pretected by the sock lock.
> 
> Signed-off-by: Xin Long <[email protected]>

Acked-by: Paolo Abeni <[email protected]>