diff options
| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2016-12-08 14:07:29 +0100 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2016-12-08 14:10:05 +0100 |
| commit | 6b3e017e5d25f15da73f7700f7f2ac553ef1a2e9 (patch) | |
| tree | 1b1fb3f903b2282e261ade69e3c17952b3fd3464 /doc/guides/nics | |
| parent | 32e04ea00cd159613e04acef75e52bfca6eeff2f (diff) | |
Imported Upstream version 16.11
Change-Id: I1944c65ddc88a9ad70f8c0eb6731552b84fbcb77
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'doc/guides/nics')
52 files changed, 1342 insertions, 166 deletions
diff --git a/doc/guides/nics/bnx2x.rst b/doc/guides/nics/bnx2x.rst index 6453168e..6d1768a5 100644 --- a/doc/guides/nics/bnx2x.rst +++ b/doc/guides/nics/bnx2x.rst @@ -162,7 +162,7 @@ To compile BNX2X PMD for FreeBSD x86_64 gcc target, run the following "gmake" command:: cd <DPDK-source-directory> - gmake config T=x86_64-native-bsdapp-gcc install -Wl,-rpath=/usr/local/lib/gcc48 CC=gcc48 + gmake config T=x86_64-native-bsdapp-gcc install -Wl,-rpath=/usr/local/lib/gcc49 CC=gcc49 To compile BNX2X PMD for FreeBSD x86_64 gcc target, run the following "gmake" command: @@ -170,7 +170,7 @@ command: .. code-block:: console cd <DPDK-source-directory> - gmake config T=x86_64-native-bsdapp-gcc install -Wl,-rpath=/usr/local/lib/gcc48 CC=gcc48 + gmake config T=x86_64-native-bsdapp-gcc install -Wl,-rpath=/usr/local/lib/gcc49 CC=gcc49 Linux ----- diff --git a/doc/guides/nics/bnxt.rst b/doc/guides/nics/bnxt.rst index 2669e984..ad33cd5d 100644 --- a/doc/guides/nics/bnxt.rst +++ b/doc/guides/nics/bnxt.rst @@ -27,16 +27,33 @@ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -bnxt poll mode driver library -============================= +BNXT Poll Mode Driver +===================== -The bnxt poll mode library (**librte_pmd_bnxt**) implements support for -**Broadcom NetXtreme® C-Series**. These adapters support Standards- -compliant 10/25/50Gbps 30MPPS full-duplex throughput. +The bnxt poll mode library (**librte_pmd_bnxt**) implements support for: -Information about this family of adapters can be found in the -`NetXtreme® Brand section <https://www.broadcom.com/products/ethernet-communication-and-switching?technology%5B%5D=88>`_ -of the `Broadcom web site <http://www.broadcom.com/>`_. + * **Broadcom NetXtreme-C®/NetXtreme-E® BCM5730X and BCM5740X family of + Ethernet Network Controllers** + + These adapters support Standards compliant 10/25/50Gbps 30MPPS + full-duplex throughput. + + Information about the NetXtreme family of adapters can be found in the + `NetXtreme® Brand section + <https://www.broadcom.com/products/ethernet-communication-and-switching?technology%5B%5D=88>`_ + of the `Broadcom website <http://www.broadcom.com/>`_. + + * **Broadcom StrataGX® BCM5871X Series of Communucations Processors** + + These ARM based processors target a broad range of networking applications + including virtual CPE (vCPE) and NFV appliances, 10G service routers and + gateways, control plane processing for Ethernet switches and network + attached storage (NAS). + + Information about the StrataGX family of adapters can be found in the + `StrataGX® BCM5871X Series section + <http://www.broadcom.com/products/enterprise-and-network-processors/processors/bcm58712>`_ + of the `Broadcom website <http://www.broadcom.com/>`_. Limitations ----------- @@ -45,5 +62,3 @@ With the current driver, allocated mbufs must be large enough to hold the entire received frame. If the mbufs are not large enough, the packets will be dropped. This is most limiting when jumbo frames are used. - -SR-IOV is not supported. diff --git a/doc/guides/nics/enic.rst b/doc/guides/nics/enic.rst index 26692022..c535b589 100644 --- a/doc/guides/nics/enic.rst +++ b/doc/guides/nics/enic.rst @@ -119,7 +119,26 @@ Configuration information Only one interrupt per vNIC interface should be configured in the UCS manager regardless of the number receive/transmit queues. The ENIC PMD - uses this interrupt to get information about errors in the fast path. + uses this interrupt to get information about link status and errors + in the fast path. + +.. _enic-flow-director: + +Flow director support +--------------------- + +Advanced filtering support was added to 1300 series VIC firmware starting +with version 2.0.13 for C-series UCS servers and version 3.1.2 for UCSM +managed blade servers. In order to enable advanced filtering the 'Advanced +filter' radio button should be enabled via CIMC or UCSM followed by a reboot +of the server. + +With advanced filters, perfect matching of all fields of IPv4, IPv6 headers +as well as TCP, UDP and SCTP L4 headers is available through flow director. +Masking of these feilds for partial match is also supported. + +Without advanced filter support, the flow director is limited to IPv4 +perfect filtering of the 5-tuple with no masking of fields supported. Limitations ----------- @@ -144,6 +163,12 @@ Limitations vlan_offload |= ETH_VLAN_STRIP_OFFLOAD; rte_eth_dev_set_vlan_offload(port, vlan_offload); +- Limited flow director support on 1200 series and 1300 series Cisco VIC + adapters with old firmware. Please see :ref:`enic-flow-director`. + +- Flow director features are not supported on generation 1 Cisco VIC adapters + (M81KR and P81E) + How to build the suite? ----------------------- The build instructions for the DPDK suite should be followed. By default @@ -169,9 +194,6 @@ ENIC PMD supports all recent generations of Cisco VIC adapters including: - VIC 1385 - VIC 1387 -- Flow director features are not supported on generation 1 Cisco VIC adapters - (M81KR and P81E) - Supported Operating Systems --------------------------- Any Linux distribution fulfilling the conditions described in Dependencies @@ -186,8 +208,7 @@ Supported features - IP checksum offload - Receive side VLAN stripping - Multiple receive and transmit queues -- Flow Director ADD, UPDATE, DELETE, STATS operation support for IPV4 5-TUPLE - flows +- Flow Director ADD, UPDATE, DELETE, STATS operation support IPv4 and IPv6 - Promiscuous mode - Setting RX VLAN (supported via UCSM/CIMC only) - VLAN filtering (supported via UCSM/CIMC only) diff --git a/doc/guides/nics/features/afpacket.ini b/doc/guides/nics/features/afpacket.ini new file mode 100644 index 00000000..99f87ab6 --- /dev/null +++ b/doc/guides/nics/features/afpacket.ini @@ -0,0 +1,6 @@ +; +; Supported features of the 'afpacket' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] diff --git a/doc/guides/nics/features/bnx2x.ini b/doc/guides/nics/features/bnx2x.ini new file mode 100644 index 00000000..1ad8a3e8 --- /dev/null +++ b/doc/guides/nics/features/bnx2x.ini @@ -0,0 +1,16 @@ +; +; Supported features of the 'bnx2x' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Promiscuous mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +Basic stats = Y +Extended stats = Y +Linux UIO = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/bnx2x_vf.ini b/doc/guides/nics/features/bnx2x_vf.ini new file mode 100644 index 00000000..da9168ea --- /dev/null +++ b/doc/guides/nics/features/bnx2x_vf.ini @@ -0,0 +1,17 @@ +; +; Supported features of the 'bnx2x_vf' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Promiscuous mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +SR-IOV = Y +Basic stats = Y +Extended stats = Y +Linux UIO = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/bnxt.ini b/doc/guides/nics/features/bnxt.ini new file mode 100644 index 00000000..013a9cda --- /dev/null +++ b/doc/guides/nics/features/bnxt.ini @@ -0,0 +1,16 @@ +; +; Supported features of the 'bnxt' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Queue start/stop = Y +Promiscuous mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS reta update = Y +Basic stats = Y +Extended stats = Y +Linux UIO = Y +x86-64 = Y diff --git a/doc/guides/nics/features/bonding.ini b/doc/guides/nics/features/bonding.ini new file mode 100644 index 00000000..c1653051 --- /dev/null +++ b/doc/guides/nics/features/bonding.ini @@ -0,0 +1,6 @@ +; +; Supported features of the 'bonding' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] diff --git a/doc/guides/nics/features/cxgbe.ini b/doc/guides/nics/features/cxgbe.ini new file mode 100644 index 00000000..2e72a107 --- /dev/null +++ b/doc/guides/nics/features/cxgbe.ini @@ -0,0 +1,31 @@ +; +; Supported features of the 'cxgbe' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Queue start/stop = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +RSS hash = Y +Flow control = Y +CRC offload = Y +VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Stats per queue = Y +EEPROM dump = Y +Registers dump = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/default.ini b/doc/guides/nics/features/default.ini new file mode 100644 index 00000000..f1bf9bf2 --- /dev/null +++ b/doc/guides/nics/features/default.ini @@ -0,0 +1,68 @@ +; +; Features of a default network driver. +; +; This file defines the features that are valid for inclusion in +; the other driver files and also the order that they appear in +; the features table in the documentation. +; +[Features] +Speed capabilities = +Link status = +Link status event = +Queue status event = +Rx interrupt = +Queue start/stop = +MTU update = +Jumbo frame = +Scattered Rx = +LRO = +TSO = +Promiscuous mode = +Allmulticast mode = +Unicast MAC filter = +Multicast MAC filter = +RSS hash = +RSS key update = +RSS reta update = +VMDq = +SR-IOV = +DCB = +VLAN filter = +Ethertype filter = +N-tuple filter = +SYN filter = +Tunnel filter = +Flexible filter = +Hash filter = +Flow director = +Flow control = +Rate limitation = +Traffic mirroring = +CRC offload = +VLAN offload = +QinQ offload = +L3 checksum offload = +L4 checksum offload = +Inner L3 checksum = +Inner L4 checksum = +Packet type parsing = +Timesync = +Basic stats = +Extended stats = +Stats per queue = +EEPROM dump = +Registers dump = +Multiprocess aware = +BSD nic_uio = +Linux UIO = +Linux VFIO = +Other kdrv = +ARMv7 = +ARMv8 = +Power8 = +TILE-Gx = +x86-32 = +x86-64 = +Usage doc = +Design doc = +Perf doc = diff --git a/doc/guides/nics/features/e1000.ini b/doc/guides/nics/features/e1000.ini new file mode 100644 index 00000000..7f6d55c4 --- /dev/null +++ b/doc/guides/nics/features/e1000.ini @@ -0,0 +1,28 @@ +; +; Supported features of the 'e1000' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Rx interrupt = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +VLAN filter = Y +Flow control = Y +CRC offload = Y +VLAN offload = Y +QinQ offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Basic stats = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/ena.ini b/doc/guides/nics/features/ena.ini new file mode 100644 index 00000000..74969fd0 --- /dev/null +++ b/doc/guides/nics/features/ena.ini @@ -0,0 +1,26 @@ +; +; Supported features of the 'ena' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Queue start/stop = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +SR-IOV = Y +CRC offload = Y +VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Inner L3 checksum = Y +Inner L4 checksum = Y +Basic stats = Y +Extended stats = Y +Linux UIO = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/enic.ini b/doc/guides/nics/features/enic.ini new file mode 100644 index 00000000..86576a75 --- /dev/null +++ b/doc/guides/nics/features/enic.ini @@ -0,0 +1,30 @@ +; +; Supported features of the 'enic' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Queue start/stop = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +Promiscuous mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +VLAN filter = Y +CRC offload = Y +VLAN offload = Y +Flow director = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/fm10k.ini b/doc/guides/nics/features/fm10k.ini new file mode 100644 index 00000000..9e1035f3 --- /dev/null +++ b/doc/guides/nics/features/fm10k.ini @@ -0,0 +1,34 @@ +; +; Supported features of the 'fm10k' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Rx interrupt = Y +Queue start/stop = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VMDq = Y +VLAN filter = Y +CRC offload = Y +VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Extended stats = Y +Stats per queue = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/fm10k_vec.ini b/doc/guides/nics/features/fm10k_vec.ini new file mode 100644 index 00000000..1384ab15 --- /dev/null +++ b/doc/guides/nics/features/fm10k_vec.ini @@ -0,0 +1,34 @@ +; +; Supported features of the 'fm10k_vec' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Rx interrupt = Y +Queue start/stop = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VMDq = Y +VLAN filter = Y +CRC offload = Y +VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Extended stats = Y +Stats per queue = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/fm10k_vf.ini b/doc/guides/nics/features/fm10k_vf.ini new file mode 100644 index 00000000..15de536f --- /dev/null +++ b/doc/guides/nics/features/fm10k_vf.ini @@ -0,0 +1,28 @@ +; +; Supported features of the 'fm10k_vf' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Rx interrupt = Y +Queue start/stop = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +CRC offload = Y +VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Extended stats = Y +Stats per queue = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/fm10k_vf_vec.ini b/doc/guides/nics/features/fm10k_vf_vec.ini new file mode 100644 index 00000000..b32550cb --- /dev/null +++ b/doc/guides/nics/features/fm10k_vf_vec.ini @@ -0,0 +1,28 @@ +; +; Supported features of the 'fm10kvf_vec' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Rx interrupt = Y +Queue start/stop = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +CRC offload = Y +VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Extended stats = Y +Stats per queue = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/i40e.ini b/doc/guides/nics/features/i40e.ini new file mode 100644 index 00000000..0d143bca --- /dev/null +++ b/doc/guides/nics/features/i40e.ini @@ -0,0 +1,48 @@ +; +; Supported features of the 'i40e' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Rx interrupt = Y +Queue start/stop = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VMDq = Y +SR-IOV = Y +DCB = Y +VLAN filter = Y +Ethertype filter = Y +Tunnel filter = Y +Hash filter = Y +Flow director = Y +Flow control = Y +Traffic mirroring = Y +CRC offload = Y +VLAN offload = Y +QinQ offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Inner L3 checksum = Y +Inner L4 checksum = Y +Packet type parsing = Y +Timesync = Y +Basic stats = Y +Extended stats = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y +ARMv8 = Y diff --git a/doc/guides/nics/features/i40e_vec.ini b/doc/guides/nics/features/i40e_vec.ini new file mode 100644 index 00000000..edd6b717 --- /dev/null +++ b/doc/guides/nics/features/i40e_vec.ini @@ -0,0 +1,40 @@ +; +; Supported features of the 'i40e_vec' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Rx interrupt = Y +Queue start/stop = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VMDq = Y +SR-IOV = Y +DCB = Y +VLAN filter = Y +Ethertype filter = Y +Tunnel filter = Y +Hash filter = Y +Flow director = Y +Flow control = Y +Traffic mirroring = Y +Timesync = Y +Basic stats = Y +Extended stats = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y +ARMv8 = Y diff --git a/doc/guides/nics/features/i40e_vf.ini b/doc/guides/nics/features/i40e_vf.ini new file mode 100644 index 00000000..2f82c6b9 --- /dev/null +++ b/doc/guides/nics/features/i40e_vf.ini @@ -0,0 +1,36 @@ +; +; Supported features of the 'i40e_vf' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Rx interrupt = Y +Queue start/stop = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VLAN filter = Y +Hash filter = Y +CRC offload = Y +VLAN offload = Y +QinQ offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Inner L3 checksum = Y +Inner L4 checksum = Y +Packet type parsing = Y +Basic stats = Y +Extended stats = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/i40e_vf_vec.ini b/doc/guides/nics/features/i40e_vf_vec.ini new file mode 100644 index 00000000..d6674f76 --- /dev/null +++ b/doc/guides/nics/features/i40e_vf_vec.ini @@ -0,0 +1,29 @@ +; +; Supported features of the 'i40evf_vec' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Rx interrupt = Y +Queue start/stop = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VLAN filter = Y +Hash filter = Y +Basic stats = Y +Extended stats = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y +ARMv8 = Y diff --git a/doc/guides/nics/features/igb.ini b/doc/guides/nics/features/igb.ini new file mode 100644 index 00000000..9fafe72d --- /dev/null +++ b/doc/guides/nics/features/igb.ini @@ -0,0 +1,44 @@ +; +; Supported features of the 'igb' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Rx interrupt = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VMDq = Y +SR-IOV = Y +DCB = Y +VLAN filter = Y +Ethertype filter = Y +N-tuple filter = Y +SYN filter = Y +Flexible filter = Y +Flow control = Y +CRC offload = Y +VLAN offload = Y +QinQ offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Timesync = Y +Basic stats = Y +Extended stats = Y +EEPROM dump = Y +Registers dump = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/igb_vf.ini b/doc/guides/nics/features/igb_vf.ini new file mode 100644 index 00000000..b6178202 --- /dev/null +++ b/doc/guides/nics/features/igb_vf.ini @@ -0,0 +1,27 @@ +; +; Supported features of the 'igb_vf' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Rx interrupt = Y +Scattered Rx = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +VLAN filter = Y +CRC offload = Y +VLAN offload = Y +QinQ offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Extended stats = Y +Registers dump = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/ixgbe.ini b/doc/guides/nics/features/ixgbe.ini new file mode 100644 index 00000000..4a5667f0 --- /dev/null +++ b/doc/guides/nics/features/ixgbe.ini @@ -0,0 +1,54 @@ +; +; Supported features of the 'ixgbe' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Rx interrupt = Y +Queue start/stop = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +LRO = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VMDq = Y +SR-IOV = Y +DCB = Y +VLAN filter = Y +Ethertype filter = Y +N-tuple filter = Y +SYN filter = Y +Tunnel filter = Y +Flow director = Y +Flow control = Y +Rate limitation = Y +Traffic mirroring = Y +CRC offload = Y +VLAN offload = Y +QinQ offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Inner L3 checksum = Y +Inner L4 checksum = Y +Packet type parsing = Y +Timesync = Y +Basic stats = Y +Extended stats = Y +Stats per queue = Y +EEPROM dump = Y +Registers dump = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +ARMv8 = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/ixgbe_vec.ini b/doc/guides/nics/features/ixgbe_vec.ini new file mode 100644 index 00000000..e1773dd6 --- /dev/null +++ b/doc/guides/nics/features/ixgbe_vec.ini @@ -0,0 +1,46 @@ +; +; Supported features of the 'ixgbe_vec' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Rx interrupt = Y +Queue start/stop = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +LRO = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VMDq = Y +SR-IOV = Y +DCB = Y +VLAN filter = Y +Ethertype filter = Y +N-tuple filter = Y +SYN filter = Y +Tunnel filter = Y +Flow director = Y +Flow control = Y +Rate limitation = Y +Traffic mirroring = Y +Timesync = Y +Basic stats = Y +Extended stats = Y +Stats per queue = Y +EEPROM dump = Y +Registers dump = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +ARMv8 = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/ixgbe_vf.ini b/doc/guides/nics/features/ixgbe_vf.ini new file mode 100644 index 00000000..bf28215d --- /dev/null +++ b/doc/guides/nics/features/ixgbe_vf.ini @@ -0,0 +1,37 @@ +; +; Supported features of the 'ixgbe_vf' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Rx interrupt = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +LRO = Y +TSO = Y +Allmulticast mode = Y +Unicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VLAN filter = Y +CRC offload = Y +VLAN offload = Y +QinQ offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Inner L3 checksum = Y +Inner L4 checksum = Y +Packet type parsing = Y +Basic stats = Y +Extended stats = Y +Registers dump = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +ARMv8 = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/ixgbe_vf_vec.ini b/doc/guides/nics/features/ixgbe_vf_vec.ini new file mode 100644 index 00000000..8b8c90ba --- /dev/null +++ b/doc/guides/nics/features/ixgbe_vf_vec.ini @@ -0,0 +1,29 @@ +; +; Supported features of the 'ixgbevf_vec' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Rx interrupt = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +LRO = Y +TSO = Y +Allmulticast mode = Y +Unicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VLAN filter = Y +Basic stats = Y +Extended stats = Y +Registers dump = Y +Multiprocess aware = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +ARMv8 = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/mlx4.ini b/doc/guides/nics/features/mlx4.ini new file mode 100644 index 00000000..c9828f71 --- /dev/null +++ b/doc/guides/nics/features/mlx4.ini @@ -0,0 +1,32 @@ +; +; Supported features of the 'mlx4' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Queue start/stop = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +SR-IOV = Y +VLAN filter = Y +L3 checksum offload = Y +L4 checksum offload = Y +Inner L3 checksum = Y +Inner L4 checksum = Y +Packet type parsing = Y +Basic stats = Y +Stats per queue = Y +Multiprocess aware = Y +Other kdrv = Y +Power8 = Y +x86-32 = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/mlx5.ini b/doc/guides/nics/features/mlx5.ini new file mode 100644 index 00000000..f811e3fb --- /dev/null +++ b/doc/guides/nics/features/mlx5.ini @@ -0,0 +1,36 @@ +; +; Supported features of the 'mlx5' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Speed capabilities = Y +Link status = Y +Link status event = Y +Queue start/stop = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +SR-IOV = Y +VLAN filter = Y +Flow director = Y +CRC offload = Y +VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Stats per queue = Y +Multiprocess aware = Y +Other kdrv = Y +Power8 = Y +x86-32 = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/mpipe.ini b/doc/guides/nics/features/mpipe.ini new file mode 100644 index 00000000..ca609331 --- /dev/null +++ b/doc/guides/nics/features/mpipe.ini @@ -0,0 +1,6 @@ +; +; Supported features of the 'mpipe' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] diff --git a/doc/guides/nics/features/nfp.ini b/doc/guides/nics/features/nfp.ini new file mode 100644 index 00000000..d9671512 --- /dev/null +++ b/doc/guides/nics/features/nfp.ini @@ -0,0 +1,6 @@ +; +; Supported features of the 'nfp' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] diff --git a/doc/guides/nics/features/null.ini b/doc/guides/nics/features/null.ini new file mode 100644 index 00000000..3957f7ca --- /dev/null +++ b/doc/guides/nics/features/null.ini @@ -0,0 +1,6 @@ +; +; Supported features of the 'null' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] diff --git a/doc/guides/nics/features/pcap.ini b/doc/guides/nics/features/pcap.ini new file mode 100644 index 00000000..8245cbfb --- /dev/null +++ b/doc/guides/nics/features/pcap.ini @@ -0,0 +1,16 @@ +; +; Supported features of the 'pcap' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Jumbo frame = Y +Basic stats = Y +Multiprocess aware = Y +ARMv7 = Y +ARMv8 = Y +Power8 = Y +TILE-Gx = Y +x86-32 = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/qede.ini b/doc/guides/nics/features/qede.ini new file mode 100644 index 00000000..7d75030a --- /dev/null +++ b/doc/guides/nics/features/qede.ini @@ -0,0 +1,33 @@ +; +; Supported features of the 'qede' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Speed capabilities = Y +Link status = Y +Link status event = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +VLAN filter = Y +Flow control = Y +CRC offload = Y +VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Extended stats = Y +Stats per queue = Y +Multiprocess aware = Y +Linux UIO = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/qede_vf.ini b/doc/guides/nics/features/qede_vf.ini new file mode 100644 index 00000000..acb1b991 --- /dev/null +++ b/doc/guides/nics/features/qede_vf.ini @@ -0,0 +1,34 @@ +; +; Supported features of the 'qede_vf' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Speed capabilities = Y +Link status = Y +Link status event = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +SR-IOV = Y +VLAN filter = Y +Flow control = Y +CRC offload = Y +VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Extended stats = Y +Stats per queue = Y +Multiprocess aware = Y +Linux UIO = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/ring.ini b/doc/guides/nics/features/ring.ini new file mode 100644 index 00000000..ac207ba3 --- /dev/null +++ b/doc/guides/nics/features/ring.ini @@ -0,0 +1,6 @@ +; +; Supported features of the 'ring' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] diff --git a/doc/guides/nics/features/szedata2.ini b/doc/guides/nics/features/szedata2.ini new file mode 100644 index 00000000..624314d3 --- /dev/null +++ b/doc/guides/nics/features/szedata2.ini @@ -0,0 +1,17 @@ +; +; Supported features of the 'szedata2' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Queue start/stop = Y +Scattered Rx = Y +Promiscuous mode = Y +Allmulticast mode = Y +Basic stats = Y +Extended stats = Y +Stats per queue = Y +Other kdrv = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/thunderx.ini b/doc/guides/nics/features/thunderx.ini new file mode 100644 index 00000000..b9720be6 --- /dev/null +++ b/doc/guides/nics/features/thunderx.ini @@ -0,0 +1,30 @@ +; +; Supported features of the 'thunderx' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Queue start/stop = Y +MTU update = Y +Jumbo frame = Y +Scattered Rx = Y +Promiscuous mode = Y +Allmulticast mode = Y +RSS hash = Y +RSS key update = Y +RSS reta update = Y +SR-IOV = Y +CRC offload = Y +VLAN offload = P +L3 checksum offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Stats per queue = Y +Registers dump = Y +Multiprocess aware = Y +Linux VFIO = Y +ARMv8 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/vhost.ini b/doc/guides/nics/features/vhost.ini new file mode 100644 index 00000000..23166fba --- /dev/null +++ b/doc/guides/nics/features/vhost.ini @@ -0,0 +1,13 @@ +; +; Supported features of the 'vhost' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Queue status event = Y +Basic stats = Y +Extended stats = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/virtio.ini b/doc/guides/nics/features/virtio.ini new file mode 100644 index 00000000..41830c14 --- /dev/null +++ b/doc/guides/nics/features/virtio.ini @@ -0,0 +1,24 @@ +; +; Supported features of the 'virtio' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Queue start/stop = Y +Scattered Rx = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +VLAN filter = Y +Basic stats = Y +Stats per queue = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +ARMv7 = Y +ARMv8 = Y +x86-32 = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/virtio_vec.ini b/doc/guides/nics/features/virtio_vec.ini new file mode 100644 index 00000000..6dc7cf02 --- /dev/null +++ b/doc/guides/nics/features/virtio_vec.ini @@ -0,0 +1,22 @@ +; +; Supported features of the 'virtio_vec' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Queue start/stop = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +Multicast MAC filter = Y +VLAN filter = Y +Basic stats = Y +Stats per queue = Y +BSD nic_uio = Y +Linux UIO = Y +Linux VFIO = Y +ARMv7 = Y +ARMv8 = Y +x86-32 = Y +x86-64 = Y diff --git a/doc/guides/nics/features/vmxnet3.ini b/doc/guides/nics/features/vmxnet3.ini new file mode 100644 index 00000000..ef95932a --- /dev/null +++ b/doc/guides/nics/features/vmxnet3.ini @@ -0,0 +1,28 @@ +; +; Supported features of the 'vmxnet3' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Link status = Y +Link status event = Y +Queue start/stop = Y +MTU update = Y +Jumbo frame = Y +LRO = Y +TSO = Y +Promiscuous mode = Y +Allmulticast mode = Y +Unicast MAC filter = Y +RSS hash = Y +VLAN filter = Y +VLAN offload = Y +L4 checksum offload = Y +Packet type parsing = Y +Basic stats = Y +Stats per queue = Y +Linux UIO = Y +Linux VFIO = Y +x86-32 = Y +x86-64 = Y +Usage doc = Y diff --git a/doc/guides/nics/features/xenvirt.ini b/doc/guides/nics/features/xenvirt.ini new file mode 100644 index 00000000..8ab5f465 --- /dev/null +++ b/doc/guides/nics/features/xenvirt.ini @@ -0,0 +1,6 @@ +; +; Supported features of the 'xenvirt' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] diff --git a/doc/guides/nics/intel_vf.rst b/doc/guides/nics/intel_vf.rst index 95a79b59..9fe42093 100644 --- a/doc/guides/nics/intel_vf.rst +++ b/doc/guides/nics/intel_vf.rst @@ -486,7 +486,7 @@ The setup procedure is as follows: .. note:: - — The pci-assign,host=08:10.0 alue indicates that you want to attach a PCI device + — The pci-assign,host=08:10.0 value indicates that you want to attach a PCI device to a Virtual Machine and the respective (Bus:Device.Function) numbers should be passed for the Virtual Function to be attached. diff --git a/doc/guides/nics/ixgbe.rst b/doc/guides/nics/ixgbe.rst index 3dc6b004..3b6851b6 100644 --- a/doc/guides/nics/ixgbe.rst +++ b/doc/guides/nics/ixgbe.rst @@ -1,5 +1,5 @@ .. BSD LICENSE - Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + Copyright(c) 2010-2016 Intel Corporation. All rights reserved. All rights reserved. Redistribution and use in source and binary forms, with or without @@ -147,6 +147,11 @@ The following MACROs are used for these three features: * ETH_TXQ_FLAGS_NOXSUMTCP +Application Programming Interface +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +In DPDK release v16.11 an API for ixgbe specific functions has been added to the ixgbe PMD. +The declarations for the API functions are in the header ``rte_pmd_ixgbe.h``. Sample Application Notes ~~~~~~~~~~~~~~~~~~~~~~~~ @@ -224,3 +229,35 @@ be calculated as follows: max_read_interval = ~4 mins 48 sec. In order to ensure valid results, it is recommended to poll every 4 minutes. + + +Supported Chipsets and NICs +--------------------------- + +- Intel 82599EB 10 Gigabit Ethernet Controller +- Intel 82598EB 10 Gigabit Ethernet Controller +- Intel 82599ES 10 Gigabit Ethernet Controller +- Intel 82599EN 10 Gigabit Ethernet Controller +- Intel Ethernet Controller X540-AT2 +- Intel Ethernet Controller X550-BT2 +- Intel Ethernet Controller X550-AT2 +- Intel Ethernet Controller X550-AT +- Intel Ethernet Converged Network Adapter X520-SR1 +- Intel Ethernet Converged Network Adapter X520-SR2 +- Intel Ethernet Converged Network Adapter X520-LR1 +- Intel Ethernet Converged Network Adapter X520-DA1 +- Intel Ethernet Converged Network Adapter X520-DA2 +- Intel Ethernet Converged Network Adapter X520-DA4 +- Intel Ethernet Converged Network Adapter X520-QDA1 +- Intel Ethernet Converged Network Adapter X520-T2 +- Intel 10 Gigabit AF DA Dual Port Server Adapter +- Intel 10 Gigabit AT Server Adapter +- Intel 10 Gigabit AT2 Server Adapter +- Intel 10 Gigabit CX4 Dual Port Server Adapter +- Intel 10 Gigabit XF LR Server Adapter +- Intel 10 Gigabit XF SR Dual Port Server Adapter +- Intel 10 Gigabit XF SR Server Adapter +- Intel Ethernet Converged Network Adapter X540-T1 +- Intel Ethernet Converged Network Adapter X540-T2 +- Intel Ethernet Converged Network Adapter X550-T1 +- Intel Ethernet Converged Network Adapter X550-T2 diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst index 89231738..98d13419 100644 --- a/doc/guides/nics/mlx5.rst +++ b/doc/guides/nics/mlx5.rst @@ -88,6 +88,7 @@ Features RTE_ETH_FDIR_REJECT). - Secondary process TX is supported. - KVM and VMware ESX SR-IOV modes are supported. +- RSS hash result is supported. Limitations ----------- @@ -240,12 +241,12 @@ DPDK and must be installed separately: Currently supported by DPDK: -- Mellanox OFED **3.3-1.0.0.0** and **3.3-2.0.0.0**. +- Mellanox OFED **3.4-1.0.0.0**. -- Minimum firmware version: +- firmware version: - - ConnectX-4: **12.16.1006** - - ConnectX-4 Lx: **14.16.1006** + - ConnectX-4: **12.17.1010** + - ConnectX-4 Lx: **14.17.1010** Getting Mellanox OFED ~~~~~~~~~~~~~~~~~~~~~ diff --git a/doc/guides/nics/overview.rst b/doc/guides/nics/overview.rst index 6abbae69..2c7f5eb9 100644 --- a/doc/guides/nics/overview.rst +++ b/doc/guides/nics/overview.rst @@ -72,81 +72,7 @@ Most of these differences are summarized below. } </style> -.. table:: Features availability in networking drivers - - ==================== = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = - Feature a b b b b c e e e i i i i i i i i i i f f f f m m m n n p q q r s t v v v v x - f n n n o x 1 n n 4 4 4 4 g g x x x x m m m m l l p f u c e e i z h h i i m e - p x x x n g 0 a i 0 0 0 0 b b g g g g 1 1 1 1 x x i p l a d d n e u o r r x n - a 2 2 t d b 0 c e e e e v b b b b 0 0 0 0 4 5 p l p e e g d n s t t n v - c x x i e 0 . v v f e e e e k k k k e v a d t i i e i - k v n . f f . v v . v v f t e o o t r - e f g . . . f f . f f a r . 3 t - t v v v v v v 2 x v - e e e e e e e - c c c c c c c - ==================== = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = - Speed capabilities - Link status Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Link status event Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Queue status event Y - Rx interrupt Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Queue start/stop Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - MTU update Y Y Y P Y Y Y Y Y Y Y Y Y Y - Jumbo frame Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Scattered Rx Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - LRO Y Y Y Y - TSO Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Promiscuous mode Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Allmulticast mode Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Unicast MAC filter Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Multicast MAC filter Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - RSS hash Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - RSS key update Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - RSS reta update Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - VMDq Y Y Y Y Y Y Y - SR-IOV Y Y Y Y Y Y Y Y Y Y Y - DCB Y Y Y Y Y - VLAN filter Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Ethertype filter Y Y Y Y Y - N-tuple filter Y Y Y - SYN filter Y Y Y - Tunnel filter Y Y Y Y - Flexible filter Y - Hash filter Y Y Y Y - Flow director Y Y Y Y Y - Flow control Y Y Y Y Y Y Y Y Y - Rate limitation Y Y - Traffic mirroring Y Y Y Y - CRC offload Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - VLAN offload Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y P - QinQ offload Y Y Y Y Y Y Y - L3 checksum offload Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - L4 checksum offload Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Inner L3 checksum Y Y Y Y Y Y - Inner L4 checksum Y Y Y Y Y Y - Packet type parsing Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Timesync Y Y Y Y Y - Basic stats Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Extended stats Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Stats per queue Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - EEPROM dump Y Y Y Y - Registers dump Y Y Y Y Y Y Y Y - Multiprocess aware Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - BSD nic_uio Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Linux UIO Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Linux VFIO Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Other kdrv Y Y Y - ARMv7 Y Y Y - ARMv8 Y Y Y Y Y Y Y Y - Power8 Y Y Y - TILE-Gx Y - x86-32 Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - x86-64 Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y - Usage doc Y Y Y Y Y Y Y Y Y Y Y Y - Design doc - Perf doc - ==================== = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = +.. include:: overview_table.txt .. Note:: diff --git a/doc/guides/nics/pcap_ring.rst b/doc/guides/nics/pcap_ring.rst index aa48d339..79c95255 100644 --- a/doc/guides/nics/pcap_ring.rst +++ b/doc/guides/nics/pcap_ring.rst @@ -62,14 +62,16 @@ Libpcap-based PMD ~~~~~~~~~~~~~~~~~ Pcap-based devices can be created using the virtual device --vdev option. -The device name must start with the eth_pcap prefix followed by numbers or letters. +The device name must start with the net_pcap prefix followed by numbers or letters. The name is unique for each device. Each device can have multiple stream options and multiple devices can be used. Multiple device definitions can be arranged using multiple --vdev. Device name and stream options must be separated by commas as shown below: .. code-block:: console - $RTE_TARGET/app/testpmd -c f -n 4 --vdev 'eth_pcap0,stream_opt0=..,stream_opt1=..' --vdev='eth_pcap1,stream_opt0=..' + $RTE_TARGET/app/testpmd -c f -n 4 \ + --vdev 'net_pcap0,stream_opt0=..,stream_opt1=..' \ + --vdev='net_pcap1,stream_opt0=..' Device Streams ^^^^^^^^^^^^^^ @@ -120,25 +122,32 @@ Read packets from one pcap file and write them to another: .. code-block:: console - $RTE_TARGET/app/testpmd -c '0xf' -n 4 --vdev 'eth_pcap0,rx_pcap=/path/to/ file_rx.pcap,tx_pcap=/path/to/file_tx.pcap' -- --port-topology=chained + $RTE_TARGET/app/testpmd -c '0xf' -n 4 \ + --vdev 'net_pcap0,rx_pcap=file_rx.pcap,tx_pcap=file_tx.pcap' \ + -- --port-topology=chained Read packets from a network interface and write them to a pcap file: .. code-block:: console - $RTE_TARGET/app/testpmd -c '0xf' -n 4 --vdev 'eth_pcap0,rx_iface=eth0,tx_pcap=/path/to/file_tx.pcap' -- --port-topology=chained + $RTE_TARGET/app/testpmd -c '0xf' -n 4 \ + --vdev 'net_pcap0,rx_iface=eth0,tx_pcap=file_tx.pcap' \ + -- --port-topology=chained Read packets from a pcap file and write them to a network interface: .. code-block:: console - $RTE_TARGET/app/testpmd -c '0xf' -n 4 --vdev 'eth_pcap0,rx_pcap=/path/to/ file_rx.pcap,tx_iface=eth1' -- --port-topology=chained + $RTE_TARGET/app/testpmd -c '0xf' -n 4 \ + --vdev 'net_pcap0,rx_pcap=file_rx.pcap,tx_iface=eth1' \ + -- --port-topology=chained Forward packets through two network interfaces: .. code-block:: console - $RTE_TARGET/app/testpmd -c '0xf' -n 4 --vdev 'eth_pcap0,iface=eth0' --vdev='eth_pcap1;iface=eth1' + $RTE_TARGET/app/testpmd -c '0xf' -n 4 \ + --vdev 'net_pcap0,iface=eth0' --vdev='net_pcap1;iface=eth1' Using libpcap-based PMD with the testpmd Application ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -162,19 +171,21 @@ Otherwise, the first 512 packets from the input pcap file will be discarded by t .. code-block:: console - $RTE_TARGET/app/testpmd -c '0xf' -n 4 --vdev 'eth_pcap0,rx_pcap=/path/to/ file_rx.pcap,tx_pcap=/path/to/file_tx.pcap' -- --port-topology=chained --no-flush-rx + $RTE_TARGET/app/testpmd -c '0xf' -n 4 \ + --vdev 'net_pcap0,rx_pcap=file_rx.pcap,tx_pcap=file_tx.pcap' \ + -- --port-topology=chained --no-flush-rx Rings-based PMD ~~~~~~~~~~~~~~~ To run a DPDK application on a machine without any Ethernet devices, a pair of ring-based rte_ethdevs can be used as below. -The device names passed to the --vdev option must start with eth_ring and take no additional parameters. +The device names passed to the --vdev option must start with net_ring and take no additional parameters. Multiple devices may be specified, separated by commas. .. code-block:: console - ./testpmd -c E -n 4 --vdev=eth_ring0 --vdev=eth_ring1 -- -i + ./testpmd -c E -n 4 --vdev=net_ring0 --vdev=net_ring1 -- -i EAL: Detected lcore 1 as core 1 on socket 0 ... @@ -243,8 +254,8 @@ for reception on the same port (error handling omitted for clarity): /* create two ethdev's */ - port0 = rte_eth_from_rings("eth_ring0", ring, NUM_RINGS, ring, NUM_RINGS, SOCKET0); - port1 = rte_eth_from_rings("eth_ring1", ring, NUM_RINGS, ring, NUM_RINGS, SOCKET0); + port0 = rte_eth_from_rings("net_ring0", ring, NUM_RINGS, ring, NUM_RINGS, SOCKET0); + port1 = rte_eth_from_rings("net_ring1", ring, NUM_RINGS, ring, NUM_RINGS, SOCKET0); To create two pseudo-Ethernet ports where the traffic is switched between them, @@ -253,8 +264,8 @@ the final two lines could be changed as below: .. code-block:: c - port0 = rte_eth_from_rings("eth_ring0", &ring[0], 1, &ring[1], 1, SOCKET0); - port1 = rte_eth_from_rings("eth_ring1", &ring[1], 1, &ring[0], 1, SOCKET0); + port0 = rte_eth_from_rings("net_ring0", &ring[0], 1, &ring[1], 1, SOCKET0); + port1 = rte_eth_from_rings("net_ring1", &ring[1], 1, &ring[0], 1, SOCKET0); This type of configuration could be useful in a pipeline model, for example, where one may want to have inter-core communication using pseudo Ethernet devices rather than raw rings, diff --git a/doc/guides/nics/qede.rst b/doc/guides/nics/qede.rst index 53d749c9..d22ecdd9 100644 --- a/doc/guides/nics/qede.rst +++ b/doc/guides/nics/qede.rst @@ -32,7 +32,7 @@ QEDE Poll Mode Driver ====================== The QEDE poll mode driver library (**librte_pmd_qede**) implements support -for **QLogic FastLinQ QL4xxxx 25G/40G CNA** family of adapters as well +for **QLogic FastLinQ QL4xxxx 25G/40G/100G CNA** family of adapters as well as their virtual functions (VF) in SR-IOV context. It is supported on several standard Linux distros like RHEL7.x, SLES12.x and Ubuntu. It is compile-tested under FreeBSD OS. @@ -47,45 +47,43 @@ Supported Features - Promiscuous mode - Allmulti mode - Port hardware statistics -- Jumbo frames (using single buffer) +- Jumbo frames - VLAN offload - Filtering and stripping - Stateless checksum offloads (IPv4/TCP/UDP) -- Multiple Rx/Tx queues (queue-pairs) -- RSS (with user configurable table/key) +- Multiple Rx/Tx queues +- RSS (with RETA/hash table/key) - TSS - Multiple MAC address - Default pause flow control -- SR-IOV VF for 25G/40G modes +- SR-IOV VF +- MTU change +- Multiprocess aware +- Scatter-Gather Non-supported Features ---------------------- -- Scatter-Gather Rx/Tx frames -- Unequal number of Rx/Tx queues -- MTU change (dynamic) - SR-IOV PF - Tunneling offloads -- Reload of the PMD after a non-graceful termination +- LRO/TSO +- NPAR Supported QLogic Adapters ------------------------- -- QLogic FastLinQ QL4xxxx 25G/40G/100G CNAs. +- QLogic FastLinQ QL4xxxx 10G/25G/40G/100G CNAs. Prerequisites ------------- -- Requires firmware version **8.7.x.** and management firmware - version **8.7.x or higher**. Firmware may be available +- Requires firmware version **8.10.x.** and management firmware + version **8.10.x or higher**. Firmware may be available inbox in certain newer Linux distros under the standard directory - ``E.g. /lib/firmware/qed/qed_init_values_zipped-8.7.7.0.bin`` + ``E.g. /lib/firmware/qed/qed_init_values-8.10.9.0.bin`` - If the required firmware files are not available then visit `QLogic Driver Download Center <http://driverdownloads.qlogic.com>`_. -- This driver relies on external zlib library (-lz) for uncompressing - the firmware file. - Performance note ~~~~~~~~~~~~~~~~ @@ -120,7 +118,7 @@ enabling debugging options may affect system performance. - ``CONFIG_RTE_LIBRTE_QEDE_FW`` (default **""**) Gives absolute path of firmware file. - ``Eg: "/lib/firmware/qed/qed_init_values_zipped-8.7.7.0.bin"`` + ``Eg: "/lib/firmware/qed/qed_init_values_zipped-8.10.9.0.bin"`` Empty string indicates driver will pick up the firmware file from the default location. @@ -150,7 +148,7 @@ command:: cd <DPDK-source-directory> gmake config T=x86_64-native-bsdapp-gcc install -Wl,-rpath=\ - /usr/local/lib/gcc48 CC=gcc48 + /usr/local/lib/gcc49 CC=gcc49 Sample Application Notes @@ -243,7 +241,7 @@ SR-IOV: Prerequisites and Sample Application Notes This section provides instructions to configure SR-IOV with Linux OS. -**Note**: librte_pmd_qede will be used to bind to SR-IOV VF device and Linux native kernel driver (QEDE) will function as SR-IOV PF driver. +**Note**: librte_pmd_qede will be used to bind to SR-IOV VF device and Linux native kernel driver (QEDE) will function as SR-IOV PF driver. Requires PF driver to be 8.10.x.x or higher. #. Verify SR-IOV and ARI capability is enabled on the adapter using ``lspci``: diff --git a/doc/guides/nics/thunderx.rst b/doc/guides/nics/thunderx.rst index 248b1af7..187c9a4a 100644 --- a/doc/guides/nics/thunderx.rst +++ b/doc/guides/nics/thunderx.rst @@ -56,10 +56,13 @@ Features of the ThunderX PMD are: - VLAN stripping - SR-IOV VF - NUMA support +- Multi queue set support (up to 96 queues (12 queue sets)) per port Supported ThunderX SoCs ----------------------- - CN88xx +- CN81xx +- CN83xx Prerequisites ------------- @@ -206,13 +209,13 @@ This section provides instructions to configure SR-IOV with Linux OS. .. code-block:: console 0002:01:00.0 Ethernet controller: Cavium Networks Device a01e (rev 01) - ... - Capabilities: [100 v1] Alternative Routing-ID Interpretation (ARI) - ... - Capabilities: [180 v1] Single Root I/O Virtualization (SR-IOV) - ... - Kernel driver in use: thunder-nic - ... + ... + Capabilities: [100 v1] Alternative Routing-ID Interpretation (ARI) + ... + Capabilities: [180 v1] Single Root I/O Virtualization (SR-IOV) + ... + Kernel driver in use: thunder-nic + ... .. note:: @@ -229,18 +232,18 @@ This section provides instructions to configure SR-IOV with Linux OS. .. code-block:: console 0002:01:00.1 Ethernet controller: Cavium Networks Device 0011 (rev 01) - ... - Capabilities: [100 v1] Alternative Routing-ID Interpretation (ARI) - ... - Kernel driver in use: thunder-nicvf - ... + ... + Capabilities: [100 v1] Alternative Routing-ID Interpretation (ARI) + ... + Kernel driver in use: thunder-nicvf + ... 0002:01:00.2 Ethernet controller: Cavium Networks Device 0011 (rev 01) - ... - Capabilities: [100 v1] Alternative Routing-ID Interpretation (ARI) - ... - Kernel driver in use: thunder-nicvf - ... + ... + Capabilities: [100 v1] Alternative Routing-ID Interpretation (ARI) + ... + Kernel driver in use: thunder-nicvf + ... .. note:: @@ -321,6 +324,112 @@ This section provides instructions to configure SR-IOV with Linux OS. #. Refer to section :ref:`Running testpmd <thunderx_testpmd_example>` for instruction how to launch ``testpmd`` application. +Multiple Queue Set per DPDK port configuration +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +There are two types of VFs: + +- Primary VF +- Secondary VF + +Each port consists of a primary VF and n secondary VF(s). Each VF provides 8 Tx/Rx queues to a port. +When a given port is configured to use more than 8 queues, it requires one (or more) secondary VF. +Each secondary VF adds 8 additional queues to the queue set. + +During PMD driver initialization, the primary VF's are enumerated by checking the +specific flag (see sqs message in DPDK boot log - sqs indicates secondary queue set). +They are at the beginning of VF list (the remain ones are secondary VF's). + +The primary VFs are used as master queue sets. Secondary VFs provide +additional queue sets for primary ones. If a port is configured for more then +8 queues than it will request for additional queues from secondary VFs. + +Secondary VFs cannot be shared between primary VFs. + +Primary VFs are present on the beginning of the 'Network devices using kernel +driver' list, secondary VFs are on the remaining on the remaining part of the list. + + .. note:: + + The VNIC driver in the multiqueue setup works differently than other drivers like `ixgbe`. + We need to bind separately each specific queue set device with the ``tools/dpdk-devbind.py`` utility. + + .. note:: + + Depending on the hardware used, the kernel driver sets a threshold ``vf_id``. VFs that try to attached with an id below or equal to + this boundary are considered primary VFs. VFs that try to attach with an id above this boundary are considered secondary VFs. + + +Example device binding +~~~~~~~~~~~~~~~~~~~~~~ + +If a system has three interfaces, a total of 18 VF devices will be created +on a non-NUMA machine. + + .. note:: + + NUMA systems have 12 VFs per port and non-NUMA 6 VFs per port. + + .. code-block:: console + + # tools/dpdk-devbind.py --status + + Network devices using DPDK-compatible driver + ============================================ + <none> + + Network devices using kernel driver + =================================== + 0000:01:10.0 'Device a026' if= drv=thunder-BGX unused=vfio-pci,uio_pci_generic + 0000:01:10.1 'Device a026' if= drv=thunder-BGX unused=vfio-pci,uio_pci_generic + 0002:01:00.0 'Device a01e' if= drv=thunder-nic unused=vfio-pci,uio_pci_generic + 0002:01:00.1 'Device 0011' if=eth0 drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:00.2 'Device 0011' if=eth1 drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:00.3 'Device 0011' if=eth2 drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:00.4 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:00.5 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:00.6 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:00.7 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:01.0 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:01.1 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:01.2 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:01.3 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:01.4 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:01.5 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:01.6 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:01.7 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:02.0 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:02.1 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + 0002:01:02.2 'Device 0011' if= drv=thunder-nicvf unused=vfio-pci,uio_pci_generic + + Other network devices + ===================== + 0002:00:03.0 'Device a01f' unused=vfio-pci,uio_pci_generic + + +We want to bind two physical interfaces with 24 queues each device, we attach two primary VFs +and four secondary queues. In our example we choose two 10G interfaces eth1 (0002:01:00.2) and eth2 (0002:01:00.3). +We will choose four secondary queue sets from the ending of the list (0002:01:01.7-0002:01:02.2). + + +#. Bind two primary VFs to the ``vfio-pci`` driver: + + .. code-block:: console + + tools/dpdk-devbind.py -b vfio-pci 0002:01:00.2 + tools/dpdk-devbind.py -b vfio-pci 0002:01:00.3 + +#. Bind four primary VFs to the ``vfio-pci`` driver: + + .. code-block:: console + + tools/dpdk-devbind.py -b vfio-pci 0002:01:01.7 + tools/dpdk-devbind.py -b vfio-pci 0002:01:02.0 + tools/dpdk-devbind.py -b vfio-pci 0002:01:02.1 + tools/dpdk-devbind.py -b vfio-pci 0002:01:02.2 + +The nicvf thunderx driver will make use of attached secondary VFs automatically during the interface configuration stage. + Limitations ----------- @@ -345,10 +454,3 @@ Maximum packet segments The ThunderX SoC family NICs support up to 12 segments per packet when working in scatter/gather mode. So, setting MTU will result with ``EINVAL`` when the frame size does not fit in the maximum number of segments. - -Limited VFs -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -The ThunderX SoC family NICs has 128VFs and each VF has 8/8 queues -for RX/TX respectively. Current driver implementation has one to one mapping -between physical port and VF hence only limited VFs can be used. diff --git a/doc/guides/nics/vhost.rst b/doc/guides/nics/vhost.rst index 1e3f1ade..6b30b54e 100644 --- a/doc/guides/nics/vhost.rst +++ b/doc/guides/nics/vhost.rst @@ -92,7 +92,7 @@ This section demonstrates vhost PMD with testpmd DPDK sample application. .. code-block:: console - ./testpmd -c f -n 4 --vdev 'eth_vhost0,iface=/tmp/sock0,queues=1' -- -i + ./testpmd -c f -n 4 --vdev 'net_vhost0,iface=/tmp/sock0,queues=1' -- -i Other basic DPDK preparations like hugepage enabling here. Please refer to the *DPDK Getting Started Guide* for detailed instructions. diff --git a/doc/guides/nics/vmxnet3.rst b/doc/guides/nics/vmxnet3.rst index e919088d..bf845942 100644 --- a/doc/guides/nics/vmxnet3.rst +++ b/doc/guides/nics/vmxnet3.rst @@ -32,17 +32,11 @@ Poll Mode Driver for Paravirtual VMXNET3 NIC ============================================ The VMXNET3 adapter is the next generation of a paravirtualized NIC, introduced by VMware* ESXi. -It is designed for performance and is not related to VMXNET or VMXENET2. -It offers all the features available in VMXNET2, and adds several new features such as, +It is designed for performance, offers all the features available in VMXNET2, and adds several new features such as, multi-queue support (also known as Receive Side Scaling, RSS), IPv6 offloads, and MSI/MSI-X interrupt delivery. -Because operating system vendors do not provide built-in drivers for this card, -VMware Tools must be installed to have a driver for the VMXNET3 network adapter available. One can use the same device in a DPDK application with VMXNET3 PMD introduced in DPDK API. -Currently, the driver provides basic support for using the device in a DPDK application running on a guest OS. -Optimization is needed on the backend, that is, the VMware* ESXi vmkernel switch, to achieve optimal performance end-to-end. - In this chapter, two setups with the use of the VMXNET3 PMD are demonstrated: #. Vmxnet3 with a native NIC connected to a vSwitch @@ -59,8 +53,6 @@ For performance details, refer to the following link from VMware: `http://www.vmware.com/pdf/vsp_4_vmxnet3_perf.pdf <http://www.vmware.com/pdf/vsp_4_vmxnet3_perf.pdf>`_ 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. @@ -79,7 +71,7 @@ This keeps performance up on the RX side, even though the device provides a noti In the transmit routine, the 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. +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. Features and Limitations of VMXNET3 PMD |