From 06b332a52293a45324320b6b446a7fa677fb6702 Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Tue, 9 Apr 2013 11:34:36 -0400 Subject: nfsd4: check backchannel attributes on create_session Make sure the client gives us an adequate backchannel. Signed-off-by: J. Bruce Fields --- fs/nfsd/xdr4cb.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 fs/nfsd/xdr4cb.h (limited to 'fs/nfsd/xdr4cb.h') 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) -- cgit v1.2.1