Commit Graph

66 Commits

Author SHA1 Message Date
Ouyang Changchun
7e1fceb51d ethdev: VMDQ Rx mode
Add vmdq rx mode field into rx config struct, it is flag from ETH_VMDQ_ACCEPT_*.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-11-12 00:10:12 +01:00
Chen Jing D(Mark)
4bdefaade6 ethdev: VMDQ enhancements
The change includes several parts:
1. Clear pool bitmap when trying to remove specific MAC.
2. Define RSS, DCB and VMDQ flags to combine rx_mq_mode.
3. Use 'struct' to replace 'union', which to expand the rx_adv_conf
   arguments to better support RSS, DCB and VMDQ.
4. Fix bug in rte_eth_dev_config_restore function, which will restore
   all MAC address to default pool.
5. Define additional 3 arguments for better VMDQ support.

Signed-off-by: Chen Jing D(Mark) <jing.d.chen@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
2014-11-05 00:21:25 +01:00
Jijiang Liu
6f1f04afac ethdev: UDP tunnels
Add two functions to support UDP tunneling port configuration.

There are "some" destination UDP port numbers that have unique meaning.
In terms of VxLAN, "IANA has assigned the value 4789 for the VXLAN UDP port,
and this value SHOULD be used by default as the destination UDP port.
Some early implementations of VXLAN have used other values for the destination
port. To enable interoperability with these implementations, the destination
port SHOULD be configurable."

Signed-off-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Tested-by: Yong Liu <yong.liu@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-10-27 14:37:34 +01:00
Jingjing Wu
fbd0d8e67f ethdev: introduce generic filter control
Define a new API umbrella to configure any kind of Rx filtering.
New functions:
- rte_eth_dev_filter_supported
- rte_eth_dev_filter_ctrl

Filter types, operations, and structures are defined specifically in new
header file lib/librte_eth/rte_dev_ctrl.h.

As to the implementation discussion, please refer to
http://dpdk.org/ml/archives/dev/2014-September/005179.html

Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
[Thomas: rename ops and remove unused types]
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-10-20 23:51:05 +02:00
Helin Zhang
0434614c53 ethdev: better typing of RSS constants
Forced type conversion is not needed to define a macro with
constant. The alternate is to let compiler use the default width,
or specify the width with suffix of 'U', 'UL', 'ULL', etc.

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>
2014-10-20 23:51:05 +02:00
Pablo de Lara
fbde27f19a ethdev: get default Rx/Tx configuration from dev info
Many sample apps use duplicated code to set rte_eth_txconf and rte_eth_rxconf
structures. This patch allows the user to get a default optimal RX/TX configuration
through rte_eth_dev_info get, and still any parameters may be tweaked as wished,
before setting up queues.

Besides, if a NULL pointer is passed to rte_eth_rx_queue_setup or
rte_eth_tx_queue_setup, these functions get internally the default RX/TX
configuration for the user.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Reviewed-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: David Marchand <david.marchand@6wind.com>
[Thomas: split patch]
2014-10-10 12:47:05 +02:00
Ouyang Changchun
1b9ea09c06 ixgbe: support X550
Update device id and PF driver to support X550.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
2014-10-07 17:01:08 +02:00
Ouyang Changchun
3111eae26e ethdev: rename flag for queue start and stop
Rename start_?x_per_q to ?x_deferred_start
and add comments.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-09-29 19:30:12 +02:00
Olivier Matz
ce757f5c9a ethdev: new method to retrieve extended statistics
This method can be implemented by a poll mode driver to provide
non-standard statistics (which are not part of the generic statistics
structure). Each statistic is returned in a generic form: "name" and
"value" and can be used to dump PMD-specific statistics in the same way
than ethtool in linux kernel.

If the PMD does not provide the xstats_get and xstats_set functions, the
ethdev API will return the generic statistics in the xstats format
(name, value).

This commit opens the door for a clean-up of the generic statistics
structure, only keeping statistics that are really common to all PMDs
and moving specific ones into the xstats API.

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Reviewed-by: David Marchand <david.marchand@6wind.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
[Thomas: fix some comments]
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-09-23 17:31:15 +02:00
Declan Doherty
83b4113693 ethdev: add unique name to devices
Adding support to rte_eth_dev_data structure to support unique
name identifier for ethdevs to support adding slave ethdevs
(specifically virtual devices which have no public unique
identifier) to a link bonding device. This changes the API
rte_eth_dev_allocate() to require a const char *name when
allocating a ethdev, which also verifies that the name is
unique and hasn’t been already used by an existed allocated
rte_eth_dev. Also contains updates to virtual pmd’s to now call
the API with a name parameter.

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
2014-07-01 16:25:35 +02:00
Samuel Gauthier
59d0ecdbf0 ethdev: MTU accessors
This patch adds two new functions in ethdev api to retrieve current MTU and
change MTU of a port.
Only .mtu_set function is pmd specific.
pmd should update its max_rx_pkt_len if needed.

This operation has been implemented for rte_em_pmd, rte_igb_pmd and
rte_ixgbe_pmd.

Signed-off-by: Samuel Gauthier <samuel.gauthier@6wind.com>
Signed-off-by: Ivan Boule <ivan.boule@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
2014-06-18 00:55:05 +02:00
David Marchand
42a6a4a690 ethdev: allow to force Rx scatter mode
We might want to be sure the scatter packets reception handler is selected in a
pmd. This makes it possible to then change mtu later, without the need of
restarting a port.
It is then the pmd duty to tell it enabled the scatter reception handler by
setting dev->data->scattered_rx to 1.

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
2014-06-18 00:55:05 +02:00
David Marchand
26930874b6 ethdev: store minimum Rx buffer size
This avoids code duplication in PMD when dealing with mtu changes.

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
2014-06-18 00:55:05 +02:00
David Marchand
2d95b84aaa ethdev: autoneg parameter in flow control accessors
Add autoneg field in flow control parameters.
This makes it easier to understand why changing some parameters does not always
have the expected result.

Changing autoneg is not supported at the moment.

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
2014-06-18 00:54:58 +02:00
Zijie Pan
56ea46a997 ethdev: retrieve flow control configuration
This patch adds a new function in ethdev api to retrieve current flow control
configuration.
This operation has been implemented for rte_em_pmd, rte_igb_pmd and
rte_ixgbe_pmd.

Signed-off-by: Zijie Pan <zijie.pan@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
2014-06-18 00:43:24 +02:00
Helin Zhang
529ba95102 ethdev: set port based vlan
To support i40e, new ops has been added to support setting
port based vlan insertion.

New command 'tx_vlan set pvid port_id vlan_id (on|off)'
has been added in testpmd to configure port based vlan insertion.

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Signed-off-by: Jing Chen <jing.d.chen@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Heqing Zhu <heqing.zhu@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
2014-06-17 18:21:56 +02:00
Helin Zhang
287597000f ethdev: new link speeds
For i40e support, new link speeds are needed.

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Signed-off-by: Jing Chen <jing.d.chen@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Heqing Zhu <heqing.zhu@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
2014-06-17 18:21:46 +02:00
Helin Zhang
8a387fa85f ethdev: more RSS flags
- i40e RSS flags have been added (and enlarged to 64-bit)
- A new configuration of 'uint8_t rss_key_len' has been added in
  'struct rte_eth_rss_conf' to support different length of RSS keys.
- In each PMD, only the supported flags are masked.

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Signed-off-by: Jing Chen <jing.d.chen@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Heqing Zhu <heqing.zhu@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
2014-06-17 18:21:41 +02:00
Ivan Boule
70bdb18657 ethdev: add Rx error counters for missed, badcrc and badlen packets
Split input error stats to have a better understanding of why packets
have been dropped.
Keep ierrors field untouched for backward compatibility.

Signed-off-by: Ivan Boule <ivan.boule@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
2014-06-17 11:28:14 +02:00
Jingjing Wu
b5323dee19 ethdev: add filters
This patch adds APIs for NIC filters list below:
ethertype filter, syn filter, 2tuple filter, flex filter, 5tuple filter

Signed-off-by: jingjing.wu <jingjing.wu@intel.com>
Reviewed-by: Vladimir Medvedkin <medvedkinv@gmail.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-06-16 19:42:40 +02:00
Ouyang Changchun
8dbe82b073 ethdev: Tx rate limitation for queue and VF
Add API to support setting TX rate for a queue and a VF.

Signed-off-by: Ouyang Changchun <changchun.ouyang@intel.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
Acked-by: Huawei Xie <huawei.xie@intel.com>
2014-06-11 15:56:19 +02:00
Ouyang Changchun
915e678375 ethdev: API for link up and down
This patch adds API to support the functionality of setting link up and down.
It can be used to repeatedly stop and restart RX/TX of a port without
re-allocating resources for the port and re-configuring the port.

Signed-off-by: Ouyang Changchun <changchun.ouyang@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
Acked by: Ivan Boule <ivan.boule@6wind.com>
2014-06-11 00:29:36 +02:00
Bruce Richardson
3031749c2d remove trailing whitespaces
This commit removes trailing whitespace from lines in files. Almost all
files are affected, as the BSD license copyright header had trailing
whitespace on 4 lines in it [hence the number of files reporting 8 lines
changed in the diffstat].

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
[Thomas: remove spaces before tabs in libs]
[Thomas: remove more trailing spaces in non-C files]
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-06-11 00:29:34 +02:00
Ouyang Changchun
0748be2cf9 ethdev: queue start and stop
This patch adds API to support queue start and stop functionality for RX/TX.
It allows RX and TX queue is started or stopped one by one, instead of starting
and stopping all of them at the same time.

Signed-off-by: Ouyang Changchun <changchun.ouyang@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-28 16:00:55 +02:00
Ivan Boule
16321de093 ethdev: allow to get RSS hash functions and key
1) Add a new function "rss_hash_conf_get" in the PMD API to retrieve the
   current configuration of the RSS functions and/or of the RSS key used
   by a NIC to compute the RSS hash of input packets.
   The new function uses the existing data structure "rte_eth_rss_conf" for
   returning the RSS hash configuration.

2) Add the ixgbe-specific function "ixgbe_dev_rss_hash_conf_get" and the
   igb-specific function "eth_igb_rss_hash_conf_get" to retrieve the RSS
   hash configuration of ixgbe and igb controllers respectively.

3) Add the command "show port X rss-hash [key]" in the testpmd application
   to display the RSS hash configuration of port X.

Signed-off-by: Ivan Boule <ivan.boule@6wind.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-27 18:42:05 +02:00
Ivan Boule
db5b65301d ethdev: allow to set RSS hash computation flags and/or key
1) Add a new function "rss_hash_update" in the PMD API to dynamically
   update the RSS flags and/or the RSS key used by a NIC to compute the RSS
   hash of input packets.
   The new function uses the existing data structure "rte_eth_rss_conf" for
   the argument that contains the new hash flags and/or the new hash key to
   use.

2) Add the ixgbe-specific function "ixgbe_dev_rss_hash_update" and the
   igb-specific function "eth_igb_rss_hash_update" to update the RSS
   hash configuration of ixgbe and igb controllers respectively.
   Before changing anything, these 2 functions check that the update RSS
   operation does not attempt to disable RSS, if RSS was enabled at port
   initialization time, or does not attempt to enable RSS, if RSS was
   disabled at port initialization time.

Note:
   Configuring the RSS hash flags and the RSS key used by a NIC consists in
   updating appropriate PCI registers of the NIC.
   These operations have been manually tested with the interactive commands
   "write reg" and "write regbit" of the testpmd application.

Signed-off-by: Ivan Boule <ivan.boule@6wind.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-27 18:42:05 +02:00
Neil Horman
e5ffdd1457 ethdev: remove rte_pmd_init_all function
Now that we've converted all the pmds in dpdk to use the driver registration
macro, rte_pmd_init_all has become empty.  As theres no reason to keep it around
anymore, just remove it and fix up all the eample callers.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-20 14:28:26 +02:00
Neil Horman
2e87457ef9 vmxnet3: convert to use of PMD_REGISTER_DRIVER and fix linking
Convert the vmxnet3 pmd driver to use the PMD_REGISTER_DRIVER macro.
This means that the test applications now have no reference to the vmxnet3 library
when building DSO's and must specify its use on the command line with the -d
option.  Static linking will still initalize the driver automatically.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-20 14:28:17 +02:00
Neil Horman
42a6654c10 virtio: convert to use of PMD_REGISTER_DRIVER and fix linking
Convert the virtio pmd driver to use the PMD_REGISTER_DRIVER macro.
This means that the test applications now have no reference to the virtio library
when building DSO's and must specify its use on the command line with the -d
option.  Static linking will still initalize the driver automatically.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-20 14:28:17 +02:00
Neil Horman
aeec17c200 ixgbevf: convert to use of PMD_REGISTER_DRIVER and fix linking
Convert the ixgbevf pmd driver to use the PMD_REGISTER_DRIVER macro.
This means that the test applications now have no reference to the ixgbevf library
when building DSO's and must specify its use on the command line with the -d
option.  Static linking will still initalize the driver automatically.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-20 14:28:17 +02:00
Neil Horman
7b9d82208b ixgbe: convert to use of PMD_REGISTER_DRIVER and fix linking
Convert the ixgbe pmd driver to use the PMD_REGISTER_DRIVER macro.
This means that the test applications now have no reference to the ixgbe library
when building DSO's and must specify its use on the command line with the -d
option.  Static linking will still initalize the driver automatically.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-20 14:28:16 +02:00
Neil Horman
4ac16f77f0 igbvf: convert to use of PMD_REGISTER_DRIVER and fix linking
Convert the igbvf pmd driver to use the PMD_REGISTER_DRIVER macro.
This means that the test applications now have no reference to the igbvf library
when building DSO's and must specify its use on the command line with the -d
option.  Static linking will still initalize the driver automatically.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-20 14:28:16 +02:00
Neil Horman
d93c252e88 igb: convert to use of PMD_REGISTER_DRIVER and fix linking
Convert the igb pmd driver to use the PMD_REGISTER_DRIVER macro.
This means that the test applications now have no reference to the igb library
when building DSO's and must specify its use on the command line with the -d
option.  Static linking will still initalize the driver automatically.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-20 14:28:16 +02:00
Neil Horman
ca5834b7af e1000: convert to use of PMD_REGISTER_DRIVER and fix linking
Convert the e1000 pmd driver to use the PMD_REGISTER_DRIVER macro.
This means that the test applications now have no reference to the e1000 library
when building DSO's and must specify its use on the command line with the -d
option.  Static linking will still initalize the driver automatically.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-05-20 14:28:16 +02:00
Mats Liljegren
a12f21157a ethdev: introduce if_index in device info
This field is intended for pcap to describe the name of the interface
as known to Linux. It is an interface index, but can be translated into
an interface name using if_indextoname() function.

When using pcap, interrupt affinity becomes important, and this field
gives the application a chance to ensure that interrupt affinity is set
to the lcore handling the device.

Signed-off-by: Mats Liljegren <mats.liljegren@enea.com>
Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-02-26 11:07:28 +01:00
Ivan Boule
e659b6b439 ethdev: add pause frame counters for em/igb/ixgbe
Add into the `rte_eth_stats` data structure 4 (64-bit) counters
of XOFF/XON pause frames received and sent on a given port.

Update em, igb, and ixgbe drivers to return the value of the 4 XOFF/XON
counters through the `rte_eth_stats_get` function exported by the DPDK
API.

Display the value of the 4 XOFF/XON counters in the `testpmd` application.

Signed-off-by: Ivan Boule <ivan.boule@6wind.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-02-26 11:07:28 +01:00
Ivan Boule
7238e63bce ethdev: add support for device offload capabilities
1) Make device RX and TX offload capabilities to be returned in the
   rte_eth_dev_info data structure by the function rte_eth_dev_info_get

   The following initial set of RX offload capabilities are defined:
   - VLAN header stripping
   - IPv4 header checksum check
   - UDP checksum check
   - TCP checksum check
   - TCP large receive offload (LRO)

   The following initial set of TX offload capabilities are defined:
   - VLAN header insertion
   - IPv4 header checksum computation
   - UDP checksum computation
   - TCP checksum computation
   - SCTP checksum computation
   - TCP segmentation offload (Transmit Segmentation Offload)
   - UDP segmentation offload

   2) Update the eth_dev_infos_get() function of the igb and ixgbe PMDs
      to return the offload capabilities which are supported by the
      device and that are effectively managed by the driver.

Signed-off-by: Ivan Boule <ivan.boule@6wind.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-02-26 11:07:28 +01:00
Qinglai Xiao
db03592561 ixgbe: add Tx->Rx loopback mode for 82599
82599 has two loopback operation modes, Tx->Rx and Rx->Tx.
For the time being only Tx->Rx is supported.

The new field lpbk_mode added in struct rte_eth_conf defines loopback
operation mode for certain ethernet controller. By default the value
of lpbk_mode is 0, meaning loopback mode disabled.

Since each ethernet controller has its own definition of loopback modes,
API user has to check both datasheet and implementation of certain driver
so as to understand what are valid values to be set, and what are the
expected behaviors.

Check IXGBE_LPBK_82599_XXX which are defined in ixgbe_ethdev.h
for valid values of 82599 loopback mode.

Signed-off-by: Qinglai Xiao <jigsaw@gmail.com>
Acked-by: Ivan Boule <ivan.boule@6wind.com>
Acked-by: Venky Venkatesan <venky.venkatesan@intel.com>
2014-02-26 10:22:33 +01:00
Bruce Richardson
dfaff37fc4 vmxnet3: import new vmxnet3 poll mode driver implementation
Poll Mode Driver for Paravirtual VMXNET3 NIC.
As a PMD, the VMXNET3 driver provides the packet reception and transmission
callbacks, vmxnet3_recv_pkts and vmxnet3_xmit_pkts. It does not support
scattered packet reception as part of vmxnet3_recv_pkts and
vmxnet3_xmit_pkts. Also, it does not support scattered packet reception as part of
the device operations supported.

The VMXNET3 PMD handles all the packet buffer memory allocation and resides in
guest address space and it is solely responsible to free that memory when not needed.
The packet buffers and features to be supported are made available to hypervisor via
VMXNET3 PCI configuration space BARs. During RX/TX, the packet buffers are
exchanged by their GPAs, and the hypervisor loads the buffers with packets in the RX
case and sends packets to vSwitch in the TX case.

The VMXNET3 PMD is compiled with vmxnet3 device headers. The interface is similar
to that of the other PMDs available in the Intel(R) DPDK API. The driver pre-allocates the
packet buffers and loads the command ring descriptors in advance. The hypervisor fills
those packet buffers on packet arrival and write completion ring descriptors, which are
eventually pulled by the PMD. After reception, the Intel(R) DPDK application frees the
descriptors and loads new packet buffers for the coming packets. The interrupts are
disabled and there is no notification required. This keeps performance up on the RX
side, even though the device provides a notification feature.

In the transmit routine, the Intel(R) DPDK application fills packet buffer pointers in the
descriptors of the command ring and notifies the hypervisor. In response the hypervisor
takes packets and passes them to the vSwitch. It writes into the completion descriptors
ring. The rings are read by the PMD in the next transmit routine call and the buffers
and descriptors are freed from memory.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
2014-02-26 10:22:32 +01:00
Bruce Richardson
e9d48c0072 update Intel copyright years to 2014
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
2014-02-25 21:29:14 +01:00
Intel
ff4a42ca64 ethdev: add MAC control forward
Signed-off-by: Intel
2013-11-24 01:31:34 +01:00
Intel
c3d0564cf0 ethdev: add bypass logic
An overview of bypass logic can be seen in this document:
http://www.intel.com/content/dam/www/public/us/en/documents/product-briefs/ethernet-server-bypass-adapter-x520-x540-family-brief.pdf

Signed-off-by: Intel
2013-11-24 01:31:34 +01:00
Intel
c1f86306a0 virtio: add new driver
This PMD can be used in a VM having virtio-net NIC.

Note: it is a different implementation than virtio-usermap extension.

Signed-off-by: Intel
2013-10-09 16:16:14 +02:00
Intel
0b33b68d12 ethdev: export allocate function
The function rte_eth_dev_allocate() was called by rte_eth_dev_init().
In order to use it for non-pci devices, it is now in public API.

Signed-off-by: Intel
2013-10-09 16:16:14 +02:00
Intel
88ac4396ad ethdev: add VMDq support
Signed-off-by: Intel
2013-10-09 16:16:14 +02:00
Intel
1c1d4d7a92 doc: whitespace changes in licenses
Signed-off-by: Intel
2013-10-09 14:51:55 +02:00
Intel
6a6f2b57a3 ethdev: check DD bit of specific RX descriptor
Signed-off-by: Intel
2013-09-17 14:16:10 +02:00
Intel
c25e53e079 ethdev: fix doxygen comment for rte_eth_rx_queue_count
Signed-off-by: Intel
2013-09-17 14:16:10 +02:00
Intel
32e7aa0b3a ethdev: update VMDq/DCB support
Signed-off-by: Intel
2013-09-17 14:16:08 +02:00
Intel
0f72e563a2 ethdev: add PF support
Signed-off-by: Intel
2013-09-17 14:16:08 +02:00