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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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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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In L3 submodes, there were two memory leaks
- when a L3 core was restarted, causing around 2MB leak and a
potential issue after 256 start/stop
- a potential mbuf leak when handling arp replies
Those have been fixed
Change-Id: I348478fa5967936297850432e93667e12b0adac4
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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When no arp reply was received in l3 mode, the requesting core
continuously sends ARP requests every seconds (which is correct).
But master core was keeping a list of all requests, while all
those requests are the same, resulting in potential table overflow.
Change-Id: I13aa1ec4ea88404a690a25678fb6ec72df19a9b9
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Print IP address in a.b.c.d format instead of one 32-bit number.
Better align debugging information in log file
Change-Id: Icfab30836ba83d53f700fcfbdfbd7cf238ed7bf8
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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When multiple tasks generate to the same ip in l3 mode (i.e. with arp
support), all those tasks generate arp requests. we need to make sure
that they all receive a arp-reply i.e. that the master broadcast
the reply to all those cores.
Change-Id: I7e89196497a1016a94dde167f212b1f6ed03bcfe
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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Xavier Simonart
Patrice Buriez