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[PATCH] knfsd: SUNRPC: Make rq_daddr field address-version independent

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The rq_daddr field must support larger addresses.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Chuck Lever 2007-02-12 00:53:35 -08:00 committed by Linus Torvalds
parent 27459f0940
commit 73df0dbaff
2 changed files with 13 additions and 6 deletions
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15
include/linux/sunrpc/svc.h
View file

@ -11,6 +11,7 @@
#define SUNRPC_SVC_H
#include <linux/in.h>
#include <linux/in6.h>
#include <linux/sunrpc/types.h>
#include <linux/sunrpc/xdr.h>
#include <linux/sunrpc/auth.h>
@ -191,7 +192,13 @@ static inline void svc_putu32(struct kvec *iov, __be32 val)
iov->iov_len += sizeof(__be32);
}
union svc_addr_u {
struct in_addr addr;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
struct in6_addr addr6;
#endif
};
/*
* The context of a single thread, including the request currently being
* processed.
@ -227,8 +234,8 @@ struct svc_rqst {
unsigned short
rq_secure : 1; /* secure port */
__be32 rq_daddr; /* dest addr of request - reply from here */
union svc_addr_u rq_daddr; /* dest addr of request
* - reply from here */
void * rq_argp; /* decoded arguments */
void * rq_resp; /* xdr'd results */
@ -308,7 +315,7 @@ struct svc_deferred_req {
struct svc_sock *svsk;
struct sockaddr_storage addr; /* where reply must go */
size_t addrlen;
__be32 daddr; /* where reply must come from */
union svc_addr_u daddr; /* where reply must come from */
struct cache_deferred_req handle;
int argslen;
__be32 args[0];

4
net/sunrpc/svcsock.c
View file

@ -484,7 +484,7 @@ svc_sendto(struct svc_rqst *rqstp, struct xdr_buf *xdr)
cmh->cmsg_level = SOL_IP;
cmh->cmsg_type = IP_PKTINFO;
pki->ipi_ifindex = 0;
pki->ipi_spec_dst.s_addr = rqstp->rq_daddr;
pki->ipi_spec_dst.s_addr = rqstp->rq_daddr.addr.s_addr;
if (sock_sendmsg(sock, &msg, 0) < 0)
goto out;
@ -763,7 +763,7 @@ svc_udp_recvfrom(struct svc_rqst *rqstp)
rqstp->rq_addrlen = sizeof(struct sockaddr_in);
/* Remember which interface received this request */
rqstp->rq_daddr = skb->nh.iph->daddr;
rqstp->rq_daddr.addr.s_addr = skb->nh.iph->daddr;
if (skb_is_nonlinear(skb)) {
/* we have to copy */