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authorChuck Lever <cel@citi.umich.edu>2005-08-12 00:25:20 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-09-23 20:38:11 +0400
commit094bb20b9fcab3a1652a77741caba6b78097d622 (patch)
tree85347e557be116ed1fa8bbf63555fcb83920baf5 /net/sunrpc/xprt.c
parent602f83273c89fdd25f24757564d8001cf723e740 (diff)
downloadlinux-094bb20b9fcab3a1652a77741caba6b78097d622.tar.xz
[PATCH] RPC: extract socket logic common to both client and server
Clean-up: Move some code that is common to both RPC client- and server-side socket transports into its own source file, net/sunrpc/socklib.c. Test-plan: Compile kernel with CONFIG_NFS enabled. Millions of fsx operations over UDP, client and server. Connectathon over UDP. Version: Thu, 11 Aug 2005 16:03:09 -0400 Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/xprt.c')
-rw-r--r--net/sunrpc/xprt.c64
1 files changed, 0 insertions, 64 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 0e4ffdaa0129..67444f494fea 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -691,70 +691,6 @@ xprt_complete_rqst(struct rpc_xprt *xprt, struct rpc_rqst *req, int copied)
return;
}
-static size_t
-skb_read_bits(skb_reader_t *desc, void *to, size_t len)
-{
- if (len > desc->count)
- len = desc->count;
- if (skb_copy_bits(desc->skb, desc->offset, to, len))
- return 0;
- desc->count -= len;
- desc->offset += len;
- return len;
-}
-
-static size_t
-skb_read_and_csum_bits(skb_reader_t *desc, void *to, size_t len)
-{
- unsigned int csum2, pos;
-
- if (len > desc->count)
- len = desc->count;
- pos = desc->offset;
- csum2 = skb_copy_and_csum_bits(desc->skb, pos, to, len, 0);
- desc->csum = csum_block_add(desc->csum, csum2, pos);
- desc->count -= len;
- desc->offset += len;
- return len;
-}
-
-/*
- * We have set things up such that we perform the checksum of the UDP
- * packet in parallel with the copies into the RPC client iovec. -DaveM
- */
-int
-csum_partial_copy_to_xdr(struct xdr_buf *xdr, struct sk_buff *skb)
-{
- skb_reader_t desc;
-
- desc.skb = skb;
- desc.offset = sizeof(struct udphdr);
- desc.count = skb->len - desc.offset;
-
- if (skb->ip_summed == CHECKSUM_UNNECESSARY)
- goto no_checksum;
-
- desc.csum = csum_partial(skb->data, desc.offset, skb->csum);
- if (xdr_partial_copy_from_skb(xdr, 0, &desc, skb_read_and_csum_bits) < 0)
- return -1;
- if (desc.offset != skb->len) {
- unsigned int csum2;
- csum2 = skb_checksum(skb, desc.offset, skb->len - desc.offset, 0);
- desc.csum = csum_block_add(desc.csum, csum2, desc.offset);
- }
- if (desc.count)
- return -1;
- if ((unsigned short)csum_fold(desc.csum))
- return -1;
- return 0;
-no_checksum:
- if (xdr_partial_copy_from_skb(xdr, 0, &desc, skb_read_bits) < 0)
- return -1;
- if (desc.count)
- return -1;
- return 0;
-}
-
/*
* Input handler for RPC replies. Called from a bottom half and hence
* atomic.