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b7313009c2
Prepare to be able to send jumbo DATA packets if the we decide to, but don't enable that yet. This will allow larger chunks of data to be sent without reducing the retryability as the subpackets in a jumbo packet can also be retransmitted individually. Signed-off-by: David Howells <dhowells@redhat.com> cc: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org Link: https://patch.msgid.link/20241204074710.990092-12-dhowells@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/* Null security operations.
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*
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* Copyright (C) 2016 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#include <net/af_rxrpc.h>
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#include "ar-internal.h"
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static int none_init_connection_security(struct rxrpc_connection *conn,
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struct rxrpc_key_token *token)
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{
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return 0;
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}
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/*
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* Allocate an appropriately sized buffer for the amount of data remaining.
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*/
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static struct rxrpc_txbuf *none_alloc_txbuf(struct rxrpc_call *call, size_t remain, gfp_t gfp)
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{
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return rxrpc_alloc_data_txbuf(call, umin(remain, RXRPC_JUMBO_DATALEN), 1, gfp);
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}
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static int none_secure_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb)
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{
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txb->pkt_len = txb->len;
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if (txb->len == RXRPC_JUMBO_DATALEN)
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txb->jumboable = true;
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return 0;
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}
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static int none_verify_packet(struct rxrpc_call *call, struct sk_buff *skb)
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{
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struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
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sp->flags |= RXRPC_RX_VERIFIED;
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return 0;
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}
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static void none_free_call_crypto(struct rxrpc_call *call)
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{
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}
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static int none_respond_to_challenge(struct rxrpc_connection *conn,
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struct sk_buff *skb)
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{
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return rxrpc_abort_conn(conn, skb, RX_PROTOCOL_ERROR, -EPROTO,
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rxrpc_eproto_rxnull_challenge);
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}
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static int none_verify_response(struct rxrpc_connection *conn,
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struct sk_buff *skb)
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{
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return rxrpc_abort_conn(conn, skb, RX_PROTOCOL_ERROR, -EPROTO,
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rxrpc_eproto_rxnull_response);
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}
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static void none_clear(struct rxrpc_connection *conn)
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{
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}
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static int none_init(void)
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{
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return 0;
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}
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static void none_exit(void)
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{
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}
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/*
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* RxRPC Kerberos-based security
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*/
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const struct rxrpc_security rxrpc_no_security = {
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.name = "none",
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.security_index = RXRPC_SECURITY_NONE,
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.init = none_init,
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.exit = none_exit,
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.init_connection_security = none_init_connection_security,
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.free_call_crypto = none_free_call_crypto,
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.alloc_txbuf = none_alloc_txbuf,
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.secure_packet = none_secure_packet,
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.verify_packet = none_verify_packet,
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.respond_to_challenge = none_respond_to_challenge,
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.verify_response = none_verify_response,
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.clear = none_clear,
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};
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