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5283b03ee5
linux/fs/nfsd
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Jeff Layton 5283b03ee5 nfs/nfsd/sunrpc: enforce transport requirements for NFSv4 
NFSv4 requires a transport "that is specified to avoid network
congestion" (RFC 7530, section 3.1, paragraph 2).  In practical terms,
that means that you should not run NFSv4 over UDP. The server has never
enforced that requirement, however.

This patchset fixes this by adding a new flag to the svc_version that
states that it has these transport requirements. With that, we can check
that the transport has XPT_CONG_CTRL set before processing an RPC. If it
doesn't we reject it with RPC_PROG_MISMATCH.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2017-02-24 17:03:34 -05:00
..
acl.h nfsd4: remove nfs4_acl_new 2014-07-08 17:14:27 -04:00
auth.c cred: simpler, 1D supplementary groups 2016-10-07 18:46:30 -07:00
auth.h nfsd: Remove nfsd_luid, nfsd_lgid, nfsd_ruid and nfsd_rgid 2013-02-13 06:15:51 -08:00
blocklayout.c fs: Replace current_fs_time() with current_time() 2016-09-27 21:06:22 -04:00
blocklayoutxdr.c Highlights: 2016-08-04 19:59:06 -04:00
blocklayoutxdr.h nfsd: add SCSI layout support 2016-03-18 11:42:53 -04:00
cache.h nfsd: Remove the cache_hash list 2014-08-17 12:00:12 -04:00
current_stateid.h
export.c nfsd: opt in to labeled nfs per export 2017-01-31 12:31:54 -05:00
export.h nfsd: allow nfsd to advertise multiple layout types 2016-07-15 15:31:32 -04:00
fault_inject.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
flexfilelayout.c nfsd: don't set a FL_LAYOUT lease for flexfiles layouts 2016-09-16 16:15:52 -04:00
flexfilelayoutxdr.c nfsd: Add a super simple flex file server 2016-07-13 15:40:48 -04:00
flexfilelayoutxdr.h nfsd: Add a super simple flex file server 2016-07-13 15:40:48 -04:00
idmap.h nfsd: Remove duplicate define of IDMAP_NAMESZ/IDMAP_TYPE_xx 2015-07-20 14:58:46 -04:00
Kconfig xfs: abstract block export operations from nfsd layouts 2016-07-15 15:31:29 -04:00
lockd.c lockd: constify nlmsvc_binding structure 2016-01-07 10:10:50 -05:00
Makefile nfsd: Add a super simple flex file server 2016-07-13 15:40:48 -04:00
netns.h netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
nfs2acl.c sunrpc: turn bitfield flags in svc_version into bools 2017-02-24 15:50:08 -05:00
nfs3acl.c sunrpc: turn bitfield flags in svc_version into bools 2017-02-24 15:50:08 -05:00
nfs3proc.c NFSD: cleanup dead codes and values in nfsd_write 2017-01-31 12:31:53 -05:00
nfs3xdr.c A very quiet cycle for nfsd, mainly just an RDMA update from Chuck Lever. 2016-05-24 14:39:20 -07:00
nfs4acl.c nfsd: check permissions when setting ACLs 2016-06-24 12:11:52 -04:00
nfs4callback.c nfsd/callback: Drop a useless data copy when comparing sessionid 2017-02-17 16:26:02 -05:00
nfs4idmap.c nfsd/idmap: return nfserr_inval for 0-length names 2017-02-17 16:25:59 -05:00
nfs4layouts.c NFSD: Fix a null reference case in find_or_create_lock_stateid() 2017-01-31 12:29:24 -05:00
nfs4proc.c nfs/nfsd/sunrpc: enforce transport requirements for NFSv4 2017-02-24 17:03:34 -05:00
nfs4recover.c Various bugfixes, a RDMA update from Chuck Lever, and support for a new 2016-03-24 10:41:00 -07:00
nfs4state.c nfsd: remove superfluous KERN_INFO 2017-02-24 15:45:13 -05:00
nfs4xdr.c NFSD: Reserve adequate space for LOCKT operation 2017-02-17 16:26:04 -05:00
nfscache.c nfsd: more robust allocation failure handling in nfsd_reply_cache_init 2016-11-01 15:47:43 -04:00
nfsctl.c NFSD: correctly range-check v4.x minor version when setting versions. 2017-01-31 12:31:53 -05:00
nfsd.h nfsd: constify nfsd_suppatttrs 2017-01-31 12:31:54 -05:00
nfsfh.c nfsd: check d_can_lookup in fh_verify of directories 2016-08-04 17:11:48 -04:00
nfsfh.h wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
nfsproc.c NFSD: cleanup dead codes and values in nfsd_write 2017-01-31 12:31:53 -05:00
nfssvc.c nfsd: initialize sin6_scope_id in nfsd_inet6addr_event() 2017-01-31 12:31:53 -05:00
nfsxdr.c nfsd: Fix some indent inconsistancy 2016-07-13 15:53:41 -04:00
pnfs.h nfsd: don't set a FL_LAYOUT lease for flexfiles layouts 2016-09-16 16:15:52 -04:00
state.h nfsd/callback: Cleanup callback cred on shutdown 2017-02-17 16:26:00 -05:00
stats.c drop redundant ->owner initializations 2016-05-29 19:08:00 -04:00
stats.h nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
trace.c nfsd: move include of state.h from trace.c to trace.h 2015-10-23 15:57:29 -04:00
trace.h nfsd: add new io class tracepoint 2016-01-14 17:32:51 -05:00
vfs.c nfsd: special case truncates some more 2017-02-21 10:13:37 -05:00
vfs.h NFSD: cleanup dead codes and values in nfsd_write 2017-01-31 12:31:53 -05:00
xdr3.h nfsd: fix encode_entryplus_baggage stack usage 2014-01-23 13:50:27 -05:00
xdr4.h NFSD: Implement the COPY call 2016-10-07 14:54:25 -04:00
xdr4cb.h nfsd: plumb in a CB_NOTIFY_LOCK operation 2016-09-26 15:20:35 -04:00
xdr.h nfsd: handle vfs_getattr errors in acl protocol 2013-02-26 02:46:09 -05:00