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rxrpc: Offload the completion of service conn security to the I/O thread

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Offload the completion of the challenge/response cycle on a service
connection to the I/O thread.  After the RESPONSE packet has been
successfully decrypted and verified by the work queue, offloading the
changing of the call states to the I/O thread makes iteration over the
conn's channel list simpler.

Do this by marking the RESPONSE skbuff and putting it onto the receive
queue for the I/O thread to collect.  We put it on the front of the queue
as we've already received the packet for it.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
This commit is contained in:
David Howells
2022-10-21 08:54:03 +01:00
parent f06cb29189
commit 2953d3b8d8
4 changed files with 40 additions and 14 deletions
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5
net/rxrpc/io_thread.c
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@@ -451,6 +451,7 @@ int rxrpc_io_thread(void *data)
/* Process received packets and errors. */
if ((skb = __skb_dequeue(&rx_queue))) {
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
switch (skb->mark) {
case RXRPC_SKB_MARK_PACKET:
skb->priority = 0;
@@ -463,6 +464,10 @@ int rxrpc_io_thread(void *data)
rxrpc_input_error(local, skb);
rxrpc_free_skb(skb, rxrpc_skb_put_error_report);
break;
case RXRPC_SKB_MARK_SERVICE_CONN_SECURED:
rxrpc_input_conn_event(sp->conn, skb);
rxrpc_put_connection(sp->conn, rxrpc_conn_put_poke);
rxrpc_free_skb(skb, rxrpc_skb_put_conn_secured);
break;
default:
WARN_ON_ONCE(1);