From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941019AbcIHLnu (ORCPT ); Thu, 8 Sep 2016 07:43:50 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36098 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S938759AbcIHLnp (ORCPT ); Thu, 8 Sep 2016 07:43:45 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH net-next 2/7] rxrpc: Update protocol definitions slightly From: David Howells To: netdev@vger.kernel.org Cc: dhowells@redhat.com, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org Date: Thu, 08 Sep 2016 12:43:42 +0100 Message-ID: <147333502280.5646.5563431894532183412.stgit@warthog.procyon.org.uk> In-Reply-To: <147333500815.5646.1897433750795776938.stgit@warthog.procyon.org.uk> References: <147333500815.5646.1897433750795776938.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Thu, 08 Sep 2016 11:43:44 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Update the protocol definitions in include/rxrpc/packet.h slightly: (1) Get rid of RXRPC_PROCESS_MAXCALLS as it's redundant (same as RXRPC_MAXCALLS). (2) In struct rxrpc_jumbo_header, put _rsvd in a union with a field called cksum to match struct rxrpc_wire_header. (3) Provide RXRPC_JUMBO_SUBPKTLEN which is the total of the amount of data in a non-terminal subpacket plus the following secondary header for the next packet included in the jumbo packet. Signed-off-by: David Howells --- include/rxrpc/packet.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/include/rxrpc/packet.h b/include/rxrpc/packet.h index 3c6128e1fdbe..b0ae5c1a6ce6 100644 --- a/include/rxrpc/packet.h +++ b/include/rxrpc/packet.h @@ -34,8 +34,6 @@ struct rxrpc_wire_header { #define RXRPC_CID_INC (1 << RXRPC_CIDSHIFT) /* connection ID increment */ __be32 callNumber; /* call ID (0 for connection-level packets) */ -#define RXRPC_PROCESS_MAXCALLS (1<<2) /* maximum number of active calls per conn (power of 2) */ - __be32 seq; /* sequence number of pkt in call stream */ __be32 serial; /* serial number of pkt sent to network */ @@ -93,10 +91,14 @@ struct rxrpc_wire_header { struct rxrpc_jumbo_header { uint8_t flags; /* packet flags (as per rxrpc_header) */ uint8_t pad; - __be16 _rsvd; /* reserved (used by kerberos security as cksum) */ + union { + __be16 _rsvd; /* reserved */ + __be16 cksum; /* kerberos security checksum */ + }; }; #define RXRPC_JUMBO_DATALEN 1412 /* non-terminal jumbo packet data length */ +#define RXRPC_JUMBO_SUBPKTLEN (RXRPC_JUMBO_DATALEN + sizeof(struct rxrpc_jumbo_header)) /*****************************************************************************/ /*