diff options
| -rw-r--r-- | doc/saveconfig.json.5 | 2 | ||||
| -rw-r--r-- | rtslib/target.py | 22 |
2 files changed, 24 insertions, 0 deletions
diff --git a/doc/saveconfig.json.5 b/doc/saveconfig.json.5 index cc4513e..42c6317 100644 --- a/doc/saveconfig.json.5 +++ b/doc/saveconfig.json.5 @@ -195,6 +195,8 @@ values are (number). .I iser (boolean) is an optional value to enable iSER. +.I offload +(boolean) is an optional value to enable hardware offload. .SS node_acls This contains information about explicit initiator LUN mappings. diff --git a/rtslib/target.py b/rtslib/target.py index db44ebc..c2836db 100644 --- a/rtslib/target.py +++ b/rtslib/target.py @@ -728,10 +728,27 @@ class NetworkPortal(CFSNode): if os.path.isfile(path): raise RTSLibError("Cannot change iser") + def _get_offload(self): + try: + # only offload at the moment is cxgbit + return bool(int(fread("%s/cxgbit" % self.path))) + except IOError: + return False + + def _set_offload(self, boolean): + path = "%s/cxgbit" % self.path + try: + fwrite(path, str(int(boolean))) + except IOError: + # b/w compat: don't complain if cxgbit entry is missing + if os.path.isfile(path): + raise RTSLibError("Cannot change offload") + # NetworkPortal public stuff def delete(self): self.iser = False + self.offload = False super(NetworkPortal, self).delete() parent_tpg = property(_get_parent_tpg, @@ -743,6 +760,9 @@ class NetworkPortal(CFSNode): iser = property(_get_iser, _set_iser, doc="Get or set a boolean value representing if this " \ + "NetworkPortal supports iSER.") + offload = property(_get_offload, _set_offload, + doc="Get or set a boolean value representing if this " \ + + "NetworkPortal supports offload.") @classmethod def setup(cls, tpg_obj, p, err_func): @@ -756,6 +776,7 @@ class NetworkPortal(CFSNode): try: np = cls(tpg_obj, p['ip_address'], p['port']) np.iser = p.get('iser', False) + np.offload = p.get('offload', False) except (RTSLibError, KeyError) as e: err_func("Creating NetworkPortal object %s:%s failed: %s" % (p['ip_address'], p['port'], e)) @@ -765,6 +786,7 @@ class NetworkPortal(CFSNode): d['port'] = self.port d['ip_address'] = self.ip_address d['iser'] = self.iser + d['offload'] = self.offload return d |