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openvswitch/include/sparse/netpacket/packet.h
Ben Pfaff 55bc98d6cb netdev-linux: Fix build break on RHEL 6.1.
Commit 73c85181d (netdev-linux: Read packet auxdata to obtain vlan_tid)
added #include <linux/if_packet.h> to this file, to get the definition
of PACKET_AUXDATA and some other definitions, but on RHEL 6.1 this
provoked compiler errors:

In file included from /usr/include/linux/rtnetlink.h:5,
    from lib/netdev-linux.c:34:
/usr/include/linux/netlink.h:34: error: expected specifier-qualifier-list
    before 'sa_family_t'

Since the old #includes worked everywhere, and this file already defined
its own versions of most of the new macros that it needed, this commit just
reverts the old #includes and adds the one macro definition it didn't
already have.

(RHEL 6.1 isn't necessarily the only platform where this is a problem, but
it's the first one for which we noticed the problem.)

This switches the definition of sockaddr_ll used from the Linux one, which
uses __be16 for sll_protocol, to the glibc one, which uses plain "unsigned
short int".  This makes sparse complain (rightly), so this commit also
adds a sparse-specific header that uses ovs_be16 to prevent the warning.

Signed-off-by: Ben Pfaff <blp@nicira.com>
2014-01-16 23:40:43 -08:00

38 lines
1.1 KiB
C

/*
* Copyright (c) 2014 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __CHECKER__
#error "Use this header only with sparse. It is not a correct implementation."
#endif
#ifndef __NETPACKET_PACKET_SPARSE
#define __NETPACKET_PACKET_SPARSE 1
#include "openvswitch/types.h"
struct sockaddr_ll
{
unsigned short int sll_family;
ovs_be16 sll_protocol;
int sll_ifindex;
unsigned short int sll_hatype;
unsigned char sll_pkttype;
unsigned char sll_halen;
unsigned char sll_addr[8];
};
#endif /* <netpacket/packet.h> sparse */