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| author | J. Bruce Fields <bfields@redhat.com> | 2013-04-09 17:34:36 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2013-04-09 22:53:56 +0200 |
| commit | 06b332a52293a45324320b6b446a7fa677fb6702 (patch) | |
| tree | 4629ff4b2eb7bdf85593db7d24f362a5561c9e59 /fs/nfsd/xdr4cb.h | |
| parent | nfsd4: fix forechannel attribute negotiation (diff) | |
| download | linux-06b332a52293a45324320b6b446a7fa677fb6702.tar.xz linux-06b332a52293a45324320b6b446a7fa677fb6702.zip | |
nfsd4: check backchannel attributes on create_session
Make sure the client gives us an adequate backchannel.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/xdr4cb.h')
| -rw-r--r-- | fs/nfsd/xdr4cb.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/nfsd/xdr4cb.h b/fs/nfsd/xdr4cb.h new file mode 100644 index 000000000000..c5c55dfb91a9 --- /dev/null +++ b/fs/nfsd/xdr4cb.h @@ -0,0 +1,23 @@ +#define NFS4_MAXTAGLEN 20 + +#define NFS4_enc_cb_null_sz 0 +#define NFS4_dec_cb_null_sz 0 +#define cb_compound_enc_hdr_sz 4 +#define cb_compound_dec_hdr_sz (3 + (NFS4_MAXTAGLEN >> 2)) +#define sessionid_sz (NFS4_MAX_SESSIONID_LEN >> 2) +#define cb_sequence_enc_sz (sessionid_sz + 4 + \ + 1 /* no referring calls list yet */) +#define cb_sequence_dec_sz (op_dec_sz + sessionid_sz + 4) + +#define op_enc_sz 1 +#define op_dec_sz 2 +#define enc_nfs4_fh_sz (1 + (NFS4_FHSIZE >> 2)) +#define enc_stateid_sz (NFS4_STATEID_SIZE >> 2) +#define NFS4_enc_cb_recall_sz (cb_compound_enc_hdr_sz + \ + cb_sequence_enc_sz + \ + 1 + enc_stateid_sz + \ + enc_nfs4_fh_sz) + +#define NFS4_dec_cb_recall_sz (cb_compound_dec_hdr_sz + \ + cb_sequence_dec_sz + \ + op_dec_sz) |