Commit Graph

26 Commits

Author SHA1 Message Date
Stephen Hemminger
4e4510dfff ethdev: remove useless stats zeroing in drivers
The rte_eth_stats_get is the only API that should call the device
statistics function directly, and it already does a memset of the
resulting structure since commit 02331c16ec. Therefore doing
memset() in the driver is redundant and should be removed.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
[David: remove also in igbvf and pcap PMDs]
Acked-By: David Marchand <david.marchand@6wind.com>
2015-01-27 12:36:23 +01:00
Declan Doherty
7b00a204bb bond: fix vlan flag interpretation
This patch contains a fix for link bonding handling of vlan tagged packets in mode 3 and 5.
Currently xmit_slave_hash function misinterprets the PKT_RX_VLAN_PKT flag to mean that
there is a vlan tag within the packet when in actually means that there is a valid entry
in the vlan_tci field in the mbuf.

- Fixed VLAN tag support in hashing functions.
- Adds support for TCP in layer 4 header hashing.
- Splits transmit hashing function into separate functions for each policy to
  reduce branching and to make the code clearer.
- Fixed incorrect flag set in test application packet generator.

Test report: http://dpdk.org/ml/archives/dev/2015-January/010792.html

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Tested-by: SunX Jiajia <sunx.jiajia@intel.com>
2015-01-15 13:41:39 +01:00
Declan Doherty
a0399ce10f bond: check null before use
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
2014-12-18 00:26:08 +01:00
Declan Doherty
86b426c82d bond: fix pci table allocation check
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
2014-12-18 00:26:08 +01:00
Declan Doherty
3b6581a3d3 bond: check bounds before assigning active slave count
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
2014-12-18 00:26:08 +01:00
Declan Doherty
f2ef6f21ee bond: fix mac assignment to slaves
Adding call to mac_address_slaves_update from the lsc handler when the
first slave become active to propagate any mac changes made while
devices are inactive

Changed removing slave logic to use memmove instead of memcpy to move
data within the same array, as this was corrupting the slave array.

Adding unit test to cover failing assignment scenarios

Test report: http://dpdk.org/ml/archives/dev/2014-December/009623.html

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Tested-by: SunX Jiajia <sunx.jiajia@intel.com>
2014-12-11 01:42:02 +01:00
Alan Carew
aaa662e75c cmdline: fix overflow on bsd
When using test-pmd with flow director in FreeBSD, the application will
segfault/Bus error while parsing the command-line. This is due to how
each commands result structure is represented during parsing, where the offsets
for each tokens value is stored in a character array(char result_buf[BUFSIZ])
in cmdline_parse()(./lib/librte_cmdline/cmdline_parse.c).

The overflow occurs where BUFSIZ is less than the size of a commands result
structure, in this case "struct cmd_pkt_filter_result"
(app/test-pmd/cmdline.c) is 1088 bytes and BUFSIZ on FreeBSD is 1024 bytes as
opposed to 8192 bytes on Linux.

The problem can be reproduced by running test-pmd on FreeBSD:
./testpmd -c 0x3 -n 4 -- -i --portmask=0x3 --pkt-filter-mode=perfect
And adding a filter:
add_perfect_filter 0 udp src 192.168.0.0 1024 dst 192.168.0.0 1024 flexbytes
0x800 vlan 0 queue 0 soft 0x17

This patch removes the OS dependency on BUFSIZ and defines and uses a
library #define CMDLINE_PARSE_RESULT_BUFSIZE 8192

Added boundary checking to ensure this buffer size cannot overflow, with
an error message being produced.

Suggested-by: Olivier Matz <olivier.matz@6wind.com>
http://git.droids-corp.org/?p=libcmdline.git;a=commitdiff;h=b1d5b169352e57df3fc14c51ffad4b83f3e5613f

Signed-off-by: Alan Carew <alan.carew@intel.com>
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Tested-by: Bruce Richardson <bruce.richardson@intel.com>
2014-12-05 16:54:53 +01:00
Pablo de Lara
d68ca91ed8 bond: fix build with gcc 4.3
GCC 4.3 complains that slow_pkts array in bond_ethdev_tx_burst_8023ad
may be used uninitialized, so it has been initialized to NULL.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-11-28 16:19:25 +01:00
Jia Yu
4f1e87a332 bond: set offload capabilities flags
Before the fix, bond device's offload capabilities are unset. This fix
takes the minimum common set of slave devices' capabilities as bond
device's capabilities. For simplicity, we ensure all slave devices
to have a capability before bond device can claim this capability,
even if some slave devices are unused (i.e. linked down, standby).

Signed-off-by: Jia Yu <jyu@vmware.com>
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
2014-11-27 22:50:06 +01:00
Daniel Mrzyglod
7c76a747e6 bond: add mode 5
Add support for mode 5 (Transmit load balancing) into pmd driver

This patch add support for Adaptive transmit load balancing (mode 5) to the
librte_pmd_bond library. This mode provides an adaptive transmit load
balancing. It dynamically changes the transmitting slave, according to the
computed load.

Further details are described here:
https://www.kernel.org/doc/Documentation/networking/bonding.txt
In implementation callback is used for sorting slave order - providing
statistics for burst function about slave bandwith usage  and sort
interfaces due to usage.

Difference in this implementation vs Linux implementation:
- We Are trying send all pkts – If one interface hasn’t send packets we are
trying to send rest of packets by other slaves sorted previously by callback
function.

Some implementation details:
- Every 100ms is taken obytes statistics from every slave.
- Every 10 ms the slaves in  table are sorted and updated by callback -
bandwidth and successfully transmitted bytes from previous iteration which
happens every 100 ms
- There is callback function which updates this statistics for transparency and
for rather intensive computation involved in this mode.

Test report: http://dpdk.org/ml/archives/dev/2014-November/008729.html

Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
Tested-by: SunX Jiajia <sunx.jiajia@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
2014-11-27 21:38:57 +01:00
Pawel Wodkowski
46fb436836 bond: add mode 4
This patch set add support for dynamic link aggregation (mode 4) to the
librte_pmd_bond library. This mode provides auto negotiation/configuration
of peers and well as link status changes monitoring using out of band
LACP (link aggregation control protocol) messages. For further details of
LACP specification see the IEEE 802.3ad/802.1AX standards. It is also
described here
https://www.kernel.org/doc/Documentation/networking/bonding.txt.

In this implementation we have an array of mode 4 settings for each slave.
There is also assumption that for every port is one aggregator (it might
be unused if better is found).

Difference in this implementation vs Linux implementation:
- this implementation it is not directly based on state machines but current
  state is calculated from actor and partner states (and other things too).

Some implementation details:
- during rx burst every packet Is checked if this is LACP or marker packet.
  If it is LACP frame it is passed to mode 4 logic using slaves rx ring  and
  removed from rx buffer before it is returned
- in tx burst, packets from mode 4 (if any) are injected into each slave.
- there is a timer running in background to process/produce mode 4
  frames form rx/to tx functions.

Some requirements for this mode:
- for LACP mode to work rx and tx burst functions must be invoked
  at least in 100ms intervals
- provided buffer to rx burst should be at least 2x slave count size. This is
  not needed but might increase performance especially during initial
  handshake.

Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
2014-11-27 21:20:58 +01:00
Thomas Monjalon
4722d7b446 bond: fix doxygen
There is no parameter delay_ms in *_delay_get functions.

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-11-25 12:14:48 +01:00
Declan Doherty
a45b288ef2 bond: support link status polling
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Tested-by: SunX Jiajia <sunx.jiajia@intel.com>
2014-11-24 21:44:02 +01:00
Declan Doherty
620f98d66f bond: free mbufs on Tx burst failure
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Tested-by: SunX Jiajia <sunx.jiajia@intel.com>
2014-11-24 21:43:50 +01:00
Declan Doherty
2a61ae793a bond: fix naming inconsistency
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
2014-11-24 21:43:42 +01:00
Declan Doherty
2493e691c7 bond: remove switch statement from Rx burst
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
2014-11-24 21:43:12 +01:00
Declan Doherty
76d29903f5 bond: support link status interrupt
Adding support for lsc interrupt from bonded device to link
bonding library with supporting unit tests in the test application.

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Tested-by: SunX Jiajia <sunx.jiajia@intel.com>
2014-11-24 21:40:29 +01:00
Declan Doherty
fa7f63e7e2 bond: disable broadcast mode if mbuf refcnt is disabled
Link bonding broadcast mode requires refcnt parameter in the mbuf struct to
allow efficient transmission of duplicated mbufs on slave ports.

This patch disables broadcast mode when the complication option RTE_MBUF_REFCNT
is disabled to allow clean building of the bonding library.
A warning message notify user of disabling of broadcast mode.

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-10-22 15:47:18 +02:00
David Marchand
78aecefed9 bond: move param parsing in configure step
Rework bond pmd initialisation so that we don't need to modify eal
for this pmd to work.

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-09-29 11:56:19 +02:00
Olivier Matz
08b563ffb1 mbuf: replace data pointer by an offset
The mbuf structure already contains a pointer to the beginning of the
buffer (m->buf_addr). It is not needed to use 8 bytes again to store
another pointer to the beginning of the data.

Using a 16 bits unsigned integer is enough as we know that a mbuf is
never longer than 64KB. We gain 6 bytes in the structure thanks to
this modification.

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>

* Updated to apply to latest on mainline.
* Disabled vector PMD in config as it relies heavily on the mbuf layout
  This will be re-enabled in a subsequent commit once vPMD has been
  reworked to take account of mbuf changes.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
2014-09-17 18:53:40 +02:00
Olivier Matz
ea672a8b16 mbuf: remove the rte_pktmbuf structure
The rte_pktmbuf structure was initially included in the rte_mbuf
structure. This was needed when there was 2 types of mbuf (ctrl and
packet). As the control mbuf has been removed, we can merge the
rte_pktmbuf into the rte_mbuf structure.

Advantages of doing this:
  - the access to mbuf fields is easier (ex: m->data instead of m->pkt.data)
  - make the structure more consistent: for instance, there was no reason
    to have the ol_flags field in rte_mbuf
  - it will allow a deeper reorganization of the rte_mbuf structure in the
    next commits, allowing to gain several bytes in it

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
[Bruce: updated for latest code and new example apps]
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
2014-09-17 11:27:51 +02:00
Declan Doherty
06c1bfd94a bond: fix unit tests
- Fix bonding unit test suite which was failing due to a change
  in pmd configuration behaviour introduced in commit
  a130f53118 (add link state interrupt flag)
- Added fixes to allow the ability to re-run test suite from test
  application without restarting application

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
2014-08-01 17:14:06 +02:00
Bruce Richardson
1ca78c81be bond: fix variable initialization
Variable "valid_slave" wasn't getting properly zero-initialized.
This error is flagged by clang on compile.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Tested-by: Zhaochen Zhan <zhaochen.zhan@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-07-19 01:53:38 +02:00
Thomas Monjalon
4cb63f009a bond: fix doxygen
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-07-03 21:11:46 +02:00
Helin Zhang
6de597c04f bond: fix build on 32-bit Oracle Linux 6.4
The compile error on 32 bits Oracle Linux 6.4 is as below.

Kernel: 2.6.39
GCC: 4.4.7 20120313

In file included from /usr/include/stdlib.h:320,
from i686-native-linuxapp-gcc/include/rte_mempool.h:63,
from i686-native-linuxapp-gcc/include/rte_mbuf.h:61,
from lib/librte_pmd_bond/rte_eth_bond_api.c:37:
/usr/include/sys/types.h:61: error: conflicting types for dev_t
/usr/include/linux/types.h:22: note: previous declaration of dev_t was here
/usr/include/sys/types.h:66: error: conflicting types for gid_t
/usr/include/linux/types.h:52: note: previous declaration of gid_t was here
/usr/include/sys/types.h:71: error: conflicting types for mode_t
/usr/include/linux/types.h:24: note: previous declaration of mode_t was here
/usr/include/sys/types.h:76: error: conflicting types for nlink_t
/usr/include/linux/types.h:25: note: previous declaration of nlink_t was here
/usr/include/sys/types.h:81: error: conflicting types for uid_t
/usr/include/linux/types.h:51: note: previous declaration of uid_t was here

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>
2014-07-02 10:48:22 +02:00
Declan Doherty
2efb58cbab bond: new link bonding library
Initial release with support for
 Mode 0 - Round Robin
 Mode 1 - Active Backup
 Mode 2 - Balance -> Supports 3 transmit polices (layer 2, layer 2+3, layer 3+4)
 Mode 3 - Broadcast

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Reviewed-by: Robert Sanford <rsanford2@gmail.com>
2014-07-01 16:25:12 +02:00