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Through this commit ARP and ICMP messages are forwarded to the kernel
when vdev tap devices are enabled, as well as PROX l3 mode.
ICMP support has also been added to master (i.e. PROX L3 mode) and to
swap (so when L3 submode is not enabled).
Change-Id: Ie6bf52cbae7171bfca041ff18651d4ec866f44cd
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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This commit adds support for the creation of tap devices.
To create a tap device, and associate it with a DPDK port,
add within the port section:
vdev=<tap_name>
local ipv4=<ip_assigned_to_port>
<tap_name> will appear as a kernel network device, with an IP <ip_assigned_to_port>
ARP packets received from the network on the DPDK interface will be forwarded to the kernel.
1st packet which needs to be generated to a new IP will cause an IP packet
to be sent to the kernel (using socket sendto) forcing the kernel to send an ARP_REQUEST.
In this commit, there is no notification from the kernel about ARP table changes.
This is subject to further commits.
Two config files, gen_tap.cfg and swap_tap.cfg have been created. They work one against each other.
*** Note however that they do not work if running within the same host
(with the port being connected back to back) ***
This is due to the fact that the kernel would bypass the ports and use local interface...
Change-Id: Iadeec0d99e3c693472ea44bdb9163a3bf97df2fa
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: I58fa7a0ab7aaa27e9f9383f7995bb71bf0952618
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: I090bf8f1cd5a5d2dfa4f336bc66c46cc03d6c5bb
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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This commit prepares PROX for supporting changes from DPDK 19.08
Mainly, the "sed" listed below were run.
In addition,
- some forward definition have been removed,
- prox_compat.h has been updated
- prox_compat.h has been included where necessary.
Hence such a commit is rather easy to review and to reapply
on other branches if necessary.
sed -i 's/struct ether_hdr/prox_rte_ether_hdr/g' *.h
sed -i 's/struct ether_hdr/prox_rte_ether_hdr/g' *.c
sed -i 's/struct ether_addr/prox_rte_ether_addr/g' *.c
sed -i 's/struct ether_addr/prox_rte_ether_addr/g' *.h
sed -i 's/prox_rte_ether_addr_port/struct ether_addr_port/g' *.c
sed -i 's/prox_rte_ether_addr_port/struct ether_addr_port/g' *.h
sed -i 's/struct vlan_hdr/prox_rte_vlan_hdr/g' *.c
sed -i 's/struct vlan_hdr/prox_rte_vlan_hdr/g' *.h
sed -i 's/struct ipv4_hdr/prox_rte_ipv4_hdr/g' *.h
sed -i 's/struct ipv4_hdr/prox_rte_ipv4_hdr/g' *.c
sed -i 's/struct ipv6_hdr/prox_rte_ipv6_hdr/g' *.c
sed -i 's/struct ipv6_hdr/prox_rte_ipv6_hdr/g' *.h
sed -i 's/struct udp_hdr/prox_rte_udp_hdr/g' *.c
sed -i 's/struct udp_hdr/prox_rte_udp_hdr/g' *.h
sed -i 's/struct tcp_hdr/prox_rte_tcp_hdr/g' *.c
sed -i 's/struct tcp_hdr/prox_rte_tcp_hdr/g' *.h
sed -i 's/struct prox_rte_ether_addr_copy/ether_addr_copy/g' *.c
sed -i 's/struct prox_rte_ether_addr_copy/ether_addr_copy/g' *.h
sed -i 's/struct prox_rte_ether_addr_copy/prox_rte_ether_addr_copy/g' *.c
sed -i 's/struct prox_rte_ether_addr_copy/ether_addr_copy/g' *.h
sed -i 's/prox_rte_ether_addr_copy/ether_addr_copy/g' *.h
sed -i 's/prox_rte_ether_addr_copy/ether_addr_copy/g' *.c
sed -i 's/ether_addr_copy/prox_rte_ether_addr_copy/g' *.c
sed -i 's/ether_addr_copy/prox_rte_ether_addr_copy/g' *.h
sed -i 's/prox_rte_ether_hdr_arp/struct ether_hdr_arp/g' *.h
sed -i 's/prox_rte_ether_hdr_arp/struct ether_hdr_arp/g' *.c
sed -i 's/struct vxlan_gpe_hdr/prox_rte_vxlan_gpe_hdr/g' *.h
sed -i 's/struct vxlan_gpe_hdr/prox_rte_vxlan_gpe_hdr/g' *.c
sed -i 's/eth_random_addr/prox_rte_eth_random_addr/g' *.c
sed -i 's/eth_random_addr/prox_rte_eth_random_addr/g' *.h
sed -i 's/ETHER_CRC_LEN/PROX_RTE_ETHER_CRC_LEN/g' *.c
sed -i 's/ETHER_CRC_LEN/PROX_RTE_ETHER_CRC_LEN/g' *.h
sed -i 's/ETHER_HDR_LEN/PROX_RTE_ETHER_HDR_LEN/g' *.c
sed -i 's/ETHER_HDR_LEN/PROX_RTE_ETHER_HDR_LEN/g' *.h
sed -i 's/ETHER_MAX_LEN/PROX_RTE_ETHER_MAX_LEN/g' *.c
sed -i 's/ETHER_MAX_LEN/PROX_RTE_ETHER_MAX_LEN/g' *.h
sed -i 's/ETHER_MIN_LEN/PROX_RTE_ETHER_MIN_LEN/g' *.c
sed -i 's/ETHER_MIN_LEN/PROX_RTE_ETHER_MIN_LEN/g' *.h
sed -i 's/TCP_SYN_FLAG/PROX_RTE_TCP_SYN_FLAG/g' *.c
sed -i 's/TCP_RST_FLAG/PROX_RTE_TCP_RST_FLAG/g' *.c
sed -i 's/TCP_FIN_FLAG/PROX_RTE_TCP_FIN_FLAG/g' *.c
sed -i 's/TCP_ACK_FLAG/PROX_RTE_TCP_ACK_FLAG/g' *.c
Change-Id: I4dfe8be68e618c94dcaae28754579fbeb571bb00
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: Ic452b22dc2522a1b49e3091cb25f2784bc505b41
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: I7c3e2981692d823c86787b77d61190327d6448e4
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Multicast can be enabled through configuration or through command line
- Through configuration
Add multicast=mcast_address (e.g. multicast=01:00:5e:01:02:03) in the port
section
- Through command line
run enable multicast port_id mcast_address (e.g. enable multicast 1 01:00:5e:01:02:03)
IGMP join message is sent unsollicited through command line:
join igmp core_id task_id ip (e.g. join igmp 1 0 224.1.1.3)
To enable swap answering IGMP Query (w/ IGMP Join)
- Through configuration
Add igmp ipv4=ip_address within the core/task section
- Through command line
join igmp core_id task_id ip (e.g. join igmp 1 0 224.1.1.3)
(this will 1st initiate an unsollicated join, then answer any subsequent query)
UDP/TCP packets received on a multicast address (224.0.0.0 => 239.255.255.255) are discarded
To stop sending responses to IGMP query:
leave igmp core_id task_id
Change-Id: I3808ccabf3b38b5a1e10e1b044db63aa05bcd7b5
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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This is required for instance on gcc (GCC) 8.2.1 20180905
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
Change-Id: Id86de5d39d77c5cbf168cc51434f436f84376a4c
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"heartbeat timeout" (in second) can be specified as a global parameter
in PROX config file. If set, a timer is started when the first
command is received from the TCP socket. This timer is reset at each
commands received through the TCP socket. If the timer expires, then
- all cores are stopped
- the TCP socket is closed, causing an error at client side.
This feature helps in case a script starts PROX and the traffic generated
through PROX causes issues to the control plane.
Change-Id: I900f22fa091786a564f6b7d846f5abc2c5cbcc58
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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scheduler priority"
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Add warning if gateway_ip is configured and l3 is not configured.
If l3 sub mode is not configured, then gateway_ip parameter is ignored
(an error is not returned to make it easy to switch from an l3 sub
mode to default submode).
Change-Id: Ica4a522b037a024dd54bf616d32d69e29d5b8b92
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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priority
Set "realtime scheduling=yes" option to change Linux scheduler policy
to SCHED_RR and increase the priority to the maximum possible for the policy.
Change-Id: I3ecef5cbc3816cf2b56364bb4e806ae5ac093c23
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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L3 mode supports two timers:
- arp_update_time, defaulted to 1 second, which makes PROX to send
arp request every second for active flows
- arp_timeout, previously defaulted to 30 seconds, which makes PROX
consider a MAC address as invalid if no arp_reply was received
within those 30 seconds.
Those timers values were hardcoded. They can now be configured through
the configuration file (within the core section), using resp.
"arp update time" and "arp timeout" keywords. Unit is milli seconds.
The default becomes respectively 1 second and 2 weeks.
Change-Id: I35e46e97df32ca44c2cdfae85a20ee015de5d6e1
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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JIRA: SAMPLEVNF-149
VLAN can be enabled on a port by adding "vlan=yes" in the port section.
When VLAN is enabled on a port, then DEV_RX_OFFLOAD_VLAN_STRIP
and DEV_TX_OFFLOAD_VLAN_INSERT are enabled (if device supports it).
This will cause VLAN to be stripped from any packets received with
the proper tag, and VLAN to be added for any packets being transmitted.
The VLAN ID themselves are configured through the physical function
using something like (where ens801f1 isthe PF):
ip link set ens801f1 vf 0 vlan 1111
Change-Id: I945c87b0c18565da479ecaa08e5ffce91232a7ce
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Improve DPDK 18.05 support introduced by 3e532aca.
Support for DPDK 18.08.
Change-Id: Ide712ee94254b506a0ad88c95a7e01b789f99d48
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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mbuf size was setup to achieve the best performance i.e.
using the smallest mbuf and not segmenting packets.
However this resulted in complex code, much dependent of the way
the pmd are working e.g. a change(fix) in recent dpdk i40e
implementation caused a 1782 (=1518+8+256) bytes mbuf to be too
small to hold a 1518 bytes packets.
Hence this change simplifies the mbuf size selection at the price
of a potential decreases in performance - as more memory is now used.
Except if jumbo frames are used, the mbuf size will now be the same
for all modes. The packets will not be segmented except if jumbo
frames are enabled.
If jumbo frames are enabled, packets are by default segmented, except
if the mbuf size is configured big enough in the config file.
Change-Id: I222fcac7a65c0d221d5d422f419deb9c0f864172
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
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Add support for pkt_inline of jumbo frames.
Dump the whole packet, and not a truncated packet. This might
have a small impact on performance as the memory footprint
is increased (by ~640K * number of tasks), resulting in potential
higher DTLB misses.
Change-Id: I4ed02be7ca899db4f8f97355c180a92d69d39d8f
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Jumbo frames are now supported through the addition of a "mtu"
parameter of the port in the config file.
Setting the mtu to a value higher than 1500 bytes will enable
the reception of jumbo frames.
In addition, the rte_eth_dev_set_mtu is now set for all pmds.
Finally, setting mbuf_size does not set MEMPOOL_F_NO_SPREAD
anymore. This option was only used for pure debugging.
Big packets can be received using two ways
- Using multiple "small" mbufs, i.e. around 2K. This is the default.
- Using one big mbuf holding the whole packet. This can be enabled
by setting a parameter mbuf_size in the receiving core configuration
Change-Id: Idd60ad31f41c89f9522dff4d894af2696b7a2ea1
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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irq mode can be used to show how a core is interrupted by other tasks.
This mode does not handle packets. It only loops reading tsc.
When the difference between two consecutive calls to rdtsc() is high
then it means the core was interrupted.
This task implementes the display, so that we can see a histogram of
interrupts as well as the maximum, per core.
Command line is also supported, through "show irq buckets" (too show
the intervals of each buckets, in micrcoseconds), and the stats
command line (showing the number of items in each buckets and the max)..
Change-Id: I153cc3deaa7b86ae2776ea44e46ef9ecfd116992
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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L2fwd and swap has many options to set src mac. swap was supposed
to support the ability to use port mac, but config file parsing was
wrong. L2fwd was using port mac if a port was available and if
src mac=packet or if there was no src mac in the config.
Now l2fwd supports the following options
- "src mac=xx:xx:xx:xx:xx:xx" => this mac address is used as src mac.
- "src mac=packet" => the src mac is taken from the dst mac of the
received packet.
- "src mac=hw" => the src mac is taken from the mac address of the port,
if there is a physical port. Error otherwise.
- "src mac=no" => src mac kept untouched
- No "src mac" => same as "src mac=hw" if there is a physical port
and same as "src mac=packet" otherwise.
Default is (no "src mac") hence the mac is taken from the tx port if there
is one tx port and from the packet otherwise.
swap support is similar, except that it does not support "src mac=no".
Change-Id: I70fe49a61c2e85772288b769ede14a7a6205d122
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: I5611ead4b61b23d6c1c983852e8c75619e08ecf9
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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The l3 submode was not supported in nop mode, as the nop mode uses some
specific nop thread (and not generic). When L3 is specified, the nop mode
must use the generic thread. In addition the l3 submode is implemented
differently than other submodes. It is not supported through task_init
structures (i.e. each task does not have to explicitely tell that it
supports l3 submode). But this prevented to run both a nop with no submode
and a nop with a l3 submode. Note that nop with l3 is usually not very useful
- it handles arp (requests and response) but as nop, it does not swap IP
addresses. So with a real switch, the packets transmitted will be received
back... and l3 mode is usually mainly usefull when using a switch.
However, there is at least one nop mode where l3 submode makes sense:
when the nop does not transmit. In such cases, for instace used in
conjunction with a gen l3, the nop receives all packets and forward
the arp requests and responses to the master for handling.
Change-Id: I992121db285ba25a11cbb494092a6afc6fe55a58
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: Ie6d4e7ce22c27967117a446626f5923643397812
Signed-off-by: Patrice Buriez <patrice.buriez@intel.com>
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Change-Id: I389389e5317d1a9d0d79cc1762d6f15d8287e36a
Signed-off-by: Alexander Komarov <alexander.komarov@intel.com>
Signed-off-by: Alexander Komarov <izard.ak@gmail.com>
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JIRA: SAMPLEVNF-55
PROX is a DPDK-based application implementing Telco use-cases such as
a simplified BRAS/BNG, light-weight AFTR... It also allows configuring
finer grained network functions like QoS, Routing, load-balancing...
(We are moving PROX version v039 to sampleVNF
https://01.org/intel-data-plane-performance-demonstrators/prox-overview)
Change-Id: Ia3cb02cf0e49ac5596e922c197ff7e010293d033
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
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Xavier Simonart
Deepak S
Patrice Buriez
Alexander Komarov