ofp-actions: Fix error code for invalid table id.

Send OFPET_BAD_INSTRUCTION/OFPBIC_BAD_TABLE_ID if table is invalid
in goto table instruction.

Signed-off-by: Selvamuthukumar <smkumar@merunetworks.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
AUTHORS: Add Selvamuthukumar <smkumar@merunetworks.com>.

Signed-off-by: Ben Pfaff <blp@nicira.com>
ovs-atomic-msvc: Fix 64 bit atomic read/writes.

MSVC converts 64 bit read/writes into two instructions (uses 'mov' as
seen through cl //FAs). So there is a possibility that an interrupt can
make a 64 bit read/write non-atomic even when 8 byte aligned. So we cannot
use a simple assignment. Use a full memory barrier function instead.

Reported-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Jarno Rajahalme <jrajahalme@nicira.com>
ofproto-dpif-rid: correct logic error in rid_pool_alloc_id()

When searching through the valid ids an id should
be used if is not found rather than if it is found.

It appears to me that without this change duplicate recirculation
ids may used in cases where the last recirculation id has
been allocated; selection loops back to the beginning of the pool and;
reaches a recirculation id that is still in use.

As the number of recirculation ids is currently RECIRC_ID_N_IDS = 1024 this
does not seem beyond the bounds of possibility.

I have not verified that such a scenario can actually occur.  But it seems
that a likely consequence would be that some packets may be forwarded
incorrectly.

Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
rstp.at: Fix intermittent test failure.

Sub-test "RSTP - dummy interface" checks the ovs-vswitchd.log
output immediately after command execution.  The check may
fail if the write of new log is delayed by the IO thread.

This commit fixes the above issue by waiting for the
ovs-vswitchd.log output.

Signed-off-by: Alex Wang <alexw@nicira.com>
Acked-by: Gurucharan Shetty <gshetty@nicira.com>
ofproto-dpif-rid: remove struct rid_map

struct rid_map only has one member which is a struct hmap.
This allows for a slight simplification of the code by removing
struct rid_map and using a struct hmap directly instead.

Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
ofproto-dpif-rid: remove unused return value of rid_pool_add()

The return value of rid_pool_add() is never used
so the code may be slightly simplified by removing it.

Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
netdev: Fix error check.

Reported-by: Daniel Badea <daniel.badea@windriver.com>
Signed-off-by: Alex Wang <alexw@nicira.com>
Acked-by: Daniele Di Proietto <ddiproietto@vmware.com>
netdev-dpdk: Fix crash when there is no pci numa info.

When kernel cannot obtain the pci numa info, the numa_node file
in corresponding pci directory in sysfs will show -1.  Then the
rte_eth_dev_socket_id() function will return it to ovs.  On
current master, ovs assumes rte_eth_dev_socket_id() always
returns non-negative value.  So using this -1 in pmd thread
creation will cause ovs crash.

To fix the above issue, this commit makes ovs always check the
return value of rte_eth_dev_socket_id() and use numa node 0 if
the return value is negative.

Reported-by: Daniel Badea <daniel.badea@windriver.com>
Signed-off-by: Alex Wang <alexw@nicira.com>
Acked-by: Daniele Di Proietto <ddiproietto@vmware.com>
lib/ofproto: Sync RSTP operational state after configuration changes.

Otherwise the RSTP port operational state could be out of sync until
the next time the port's carrier status changes.

Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Acked-by: Daniele Venturino <daniele.venturino@m3s.it>
README.ovs-vtep: Remotes can be connected through VTEP's manager table.

Reported-by: Ziyou Wang <ziyouw@vmware.com>
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Justin Pettit <jpettit@nicira.com>
vtep-ctl: Add Tunnel table to vtep_ctl_table_class.

This is needed to create, get, set records in the Tunnel table.

(We need to add the Tunnel table's 'local' and 'remote' columns
that point to the Physical_Locator record to cache because vtep-ctl
commands like 'add-ucast-local' will try to add an entry in
Physical_Locator table based on the contents of the cache.)

Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ariel Tubaltsev <atubaltsev@vmware.com>
Acked-by: Justin Pettit <jpettit@nicira.com>
ovs-vtep: Clear left-over local mac information.

Before destroying a logical switch, cleanup any left over local
mac information in Ucast_Macs_Local or Mcast_Macs_Local table.
We need to do this to atleast cleanup the 'unknown-dst' information
added in the Mcast_Macs_Local table while creating the Logical_Switch
class in setup_ls().

Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ariel Tubaltsev <atubaltsev@vmware.com>
Acked-by: Justin Pettit <jpettit@nicira.com>
ovs-vtep: Store physical switch name globally.

ovs-vtep is an emulator and it works only on one
physical switch. This switch name is stored in the variable
'ps_name' and then passed around. An upcoming commit requires
access to this variable at more places and it is easier if this
variable is global.

Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ariel Tubaltsev <atubaltsev@vmware.com>
Acked-by: Justin Pettit <jpettit@nicira.com>
ovs-vtep: Use shlex module to split args.

string.split() function splits a quoted string if there is a whitespace
inside the quote.
ex: The following code snippet will output ['printing', '"No', 'Diagnostic"']
args = 'printing "No Diagnostic"'
print args.split()

The above is a problem if we run the following command through vtep_ctl().
vtep-ctl set tunnel $uuid bfd_status:diagnostic="No Diagnostic"

The workaround is to use the split() function from shlex module.

Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ariel Tubaltsev <atubaltsev@vmware.com>
Acked-by: Justin Pettit <jpettit@nicira.com>
datapath-windows: fix OVS_VPORT_TYPE

The windows ovs kernel uses an OVS_VPORT_TYPE enum that is incompatible with
the userspace counterpart (enum ovs_vport_type from openvswitch.h). We must use
the same enum type for the netlink communication to work properly.

This patch makes the fix: "typedef enum ovs_vport_type OVS_VPORT_TYPE" and
changes the afferent kernel driver code:
o) vport types synthetic and emulated turn to: netdev
o) vport type internal turns to: internal
o) vport type external truns to: netdev (plus, we hold a field in vport,
"isExternal"

Signed-off-by: Samuel Ghinet <sghinet@cloudbasesolutions.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
datapath-windows: Implement vport dump Netlink command.

Functionality for vport dump.
Later, when we will add more netlink dump commands, some common code will need
to be split to functions.

Notes:
a) the current implementation of vport assumes the datapath feature
"multiple upcall pids" is not used. A single upcall pid is used now.
c) the vxlan destination udp port is currently a constant. When it will become
configurable, the vport options netlink attribute will become relevant.

Signed-off-by: Samuel Ghinet <sghinet@cloudbasesolutions.com>
Acked-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
datapath-windows: Add file NetlinkError.h.

Contains error codes for netlink transactional errors.
These errors are passed to the "error" field (INT) of the NL_MSG_ERR struct.
The userspace requires them to be negative values: the nl_msg_nlmsgerr userspace
function transforms them from negative to positive values.

These error codes correspond to the userspace error codes defined in:
"C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\include\errno.h"

Signed-off-by: Samuel Ghinet <sghinet@cloudbasesolutions.com>
Acked-by: Eitan Eliahu <eliahue@vmware.com>
Acked-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
datapath-windows: Add Netlink vport command get.

The transactional get vport command.
This command uses the netlink transactional errors.

Signed-off-by: Samuel Ghinet <sghinet@cloudbasesolutions.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
AUTHORS: Add Simon Horman <simon.horman@netronome.com>

Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>