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CHANGELOG

2024-08-05 PF_RING 8.8

  • Key Features
  • Support for Napatech Flow Manager
  • Support for NVIDIA BlueField 2/3
  • PF_RING Library
  • Add pfring_flow_update struct and pfring_recv_flow
  • Add PF_RING_FLOW_OFFLOAD flag to enable Flow Table offload on supported adapters
  • Add PF_RING_FLOW_OFFLOAD_AUTO_UNLEARN to control tcp auto unlearn
  • Add PF_RING_KEEP_CRC flag (required by Napatech)
  • Fix pfring_zc_send_pkt_multi return code
  • PF_RING Kernel Module
  • Add flow_id to generic_flow_tuple_hw_rule
  • Fix crash with more than 64 rss queues
  • Various minor fixes
  • FT Library
  • Add pfring_ft_zmq_get_stats API
  • Add slice action
  • PF_RING Capture Modules and ZC Drivers
  • Add support for Napatech Flow Manager (Flow Table offload)
  • Add support for NVIDIA BlueField (ARM64)
  • Add jumbo support for ice-zc
  • Add support for Napatech zero-copy forwarding (pfring_send_last_rx_packet)
  • Fix all Intel drivers compilation on latest kernels (including Ubuntu 24)
    • ixgbevf-zc driver update v.4.18.9
    • i40e-zc driver update v.2.24.6
    • iavf-zc driver update v.4.9.5
  • Extend Napatech interface name to support adapter ID
  • Fix drop counter on NVIDIA/Mellanox Connect-X (read phy discards in addition to buffer discards)
  • Fix crash with more than 64 rss queues
  • Fix iavf (i40e VF) ring initialization
  • Fix driver dependency intel_auxiliary
  • PF_RING-aware Libpcap/Tcpdump
  • New pfring-aware tcpdump 4.99.4
  • Examples
  • New pfflow_offload sample app with support for Napatech Flow Manager
  • pfsend
    • Fix ipv6 packet forging
    • Add eth header when replaying RAW capture files
    • Add -U / -K options to control flow distribution
    • Fix on the fly packets generation
    • Fix -A when -O is used
  • pfsend_multichannel
    • Add -C to support multiple TX channels with Napatech
  • pfbridge
    • Add support for Napatech zero-copy forwarding
  • Misc
  • Improve pf_ringctl to auto generate hugepages.conf based on numa nodes
  • Change MAX_CAPLEN to 65600 to correctly handle max jumbo packet size
  • Remove deprecated code for Accolade and fm10k

2023-10-23 PF_RING 8.6.1

  • PF_RING Library
  • New pfring_set_cluster_consumer API to set a kernel cluster with (optional) consumer queue id and support for options (pfring_set_cluster() is set as deprecated)
  • PF_RING Kernel Module
  • Implement 'relaxed' distribution mode in the kernel cluster to deliver packets to the first available queue if a consumer is down (CLUSTER_OPTION_RELAXED_DISTRIBUTION)
  • Support for kernel 6.4+
  • PF_RING Capture Modules and ZC Drivers
  • New ice zc driver v.1.12.7
  • New ixgbe zc driver v.5.19.6
  • New igb zc driver v.5.14.16
  • Add auto DDP install in ice dkms packages
  • Examples
  • pfsend:
    • Add -G for seding traffic on two interfaces (one per direcion)
    • Improve TX rate precision adjust the transmission rate to compensate cpu freq fluctuations
  • pfcount: print both lib and kernel module versions
  • Misc
  • Fix hugepages file parsing (/etc/hugepages.conf)

2023-09-01 PF_RING 8.6

  • PF_RING Library
  • New Runtime Manager for injecting and removing filtering rules to the socket via Redis
  • Fix memory leaks in PCAP module
  • Fix caplen/MTU on loopback capture
  • PF_RING Kernel Module
  • Add support for probabilistic sampling with kernel capture
  • FT Library
  • Improve application protocol guess with nDPI
  • PF_RING Capture Modules and ZC Drivers
  • Add initial support for NVIDIA/Mellanox BlueField
  • Add Napatech ns timestamp in PCAP mode
  • Add support for probabilistic sampling with userspace capture
  • Optimize hw timestamping on ice adapters (Intel E810)
  • Fix timestamp support when using the ZC burst API with ice adapters
  • Fix drivers compilation on Kernel 6.x
  • Fix drivers compilation on RH 8.8
  • nPCAP
  • Fix memory corruption with big index files
  • PF_RING-aware Libpcap/Tcpdump
  • Add PF_RING support to pcap_inject
  • Fix pcap_read_pf_ring return code (number of packets)
  • Examples
  • zbalance_ipc: add support for multiple balancer threads when using NVIDIA/Mellanox adapters
  • pfsend: add -c option to balance on dest ip rather than src up
  • pfcount: compute drop rate in packet mode only
  • pfcount: report expired licenses
  • Fix ftflow_dpdk compilation on DPDK 22 or later
  • Fix memory leaks in pcount, alldevs, preflect, ftflow_pcap,
  • Misc
  • Add support for Debian 12
  • Add libelf and libbpf dependencies to packages
  • Add sbsigntool dependency which includes kmodsign required by dkms
  • Add revision to pfring-dkms dependency in packages
  • Fix check for init/systemd presence
  • Cleanup support for legacy adapters

2023-01-30 PF_RING 8.4

  • PF_RING Library
  • New API pfring_get_ethtool_link_speed
  • Add vlan_id to flow rule struct
  • Add optimization flags to BPF filters compiled with pcap_compile
  • Fix pfring_open_multichannel
  • PF_RING Kernel Module
  • Add keep_vlan_offload option to avoid reinserting VLAN header on VLAN interfaces when used inline
  • ZC Library
  • New ZC APIs (available on supported adapters)
    • pfring_zc_get_device_clock
    • pfring_zc_set_device_clock
    • pfring_zc_adjust_device_clock
    • pfring_zc_send_pkt_get_time
  • Add new pfring_zc_run_fanout_v3 API to support more than 64 fan-out queues
  • Add support for capturing stack packets, used by zcount and zbalance_ipc
  • PF_RING Capture Modules and ZC Drivers
  • New iavf-zc driver to support i40e and ice Virtual Functions
    • Support for VF trust mode on ice adapters (promisc with SR-IOV)
  • Improve ice driver (E810 adapters)
    • Update ice driver to v.1.9.11
    • Add support to get time, set time, adjust time, send get time
  • Improvei the NVIDIA/Mellanox (mlx) driver
    • Extend hardware rules
    • Add support for VLAN filtering
    • Add set_default_hw_action API
    • Fix reported link speed
    • Fix bidirectional rules
    • Fix pfring_poll support
  • Improve the Napatech driver
    • Add nanosecond timestamp capture when using the packet API in PCAP chunk mode
  • Improve the ZC drivers API to support more callbacks
  • Add socket extensions (getsockopt/setsockopt):
    • SO_GET_DEV_STATS (get_stats ZC drivers callback)
    • SO_GET_DEV_TX_TIME (get_tx_time ZC drivers callback)
    • SO_SET_DEV_TIME (set_time ZC drivers callback)
    • SO_SET_ADJ_TIME (adjust_time ZC drivers callback)
  • Add management_only_mode to allow opening multiple sockets on the same ZC interface
  • Update drivers to support latest RH 9.1, Ubuntu 22, Debian kernels

  • FT Library

    • Fix double free

  • nBPF

  • Add icmp protocol primitive support
  • nPCAP
  • Update npcap lib to support for nanosecond time in packet extraction
  • PF_RING-aware Libpcap/Tcpdump
  • Update tcpdump to v.4.99.1
  • Update libpcap to v.1.10.1
  • Examples
  • Add ztime example
    • Ability to set/adjust the card clock without capturing/transmitting traffic (external process)
    • Test for the send-get-time feature
  • pfsend
    • Flush queued packets when waiting at real pcap rate and on shutdown
    • Fix headers ranzomization
    • Fix crash with -z
  • pfsend_multichannel
    • Add support for controlling IPs generated
  • pfcount
    • Add -I option to print interface info in JSON format
  • pfcount_multichannel
    • Print full packet metadata with -v
  • zbalance_ipc
    • Add support for up to 128 queues with -m 1 and -m 2 (new v3 api)
    • Add -X option to capture TX traffic (standard driver only)
    • Fix check for queues limit
  • zdelay
    • Fix queue size (power of 2)
  • Misc
  • Add pfcount_multichannel and pfsend_multichannel to packages
  • Service script (pf_ringctl)
    • Add support for configuring RSS via ethtool
    • Add pre/post scripts for ZC drivers
    • Handle multi-line driver conf file
  • Removed obsolete fm10k driver

2022-06-30 PF_RING 8.2

  • PF_RING Library
  • New new pfring_get_caplen API
  • New pfring_get_link_type API
  • Add src_ip_mask and dst_ip_mask to generic_flow_rule
  • Add priority to hw_filtering_rule
  • Add module version to device info returned by pfring_findalldevs
  • Refactor device name parsing
  • Use sockaddr_ll in bind (to supports interface names longer than 14 chars)
  • ZC Library
  • New Mellanox support for ConnectX 4/5/6 adapters, including hardware offloads for timestamp, filtering, RSS
  • Fix pfring_zc_numa_get_cpu_node
  • FT Library
  • Add native support for flow export over ZMQ
  • PF_RING Kernel Module
  • Add support for VXLAN
  • Add support for both sockaddr and sockaddr_ll in bind
  • Refactor kernel locking
  • Discard VLAN in hash cluster_per_flow_ip_with_dup_tuple calculation
  • Detect when a process owning a PF_RING socket changes the PID (e.g. fork)
  • Export process PID to userspace
  • Fix compilation on latest kernels for Rocky Linux and RH 8.5, Debian 9, 10, 11, Ubuntu 18, 20, 22
  • Fix net namespace handling
  • Fix crash when renaming /proc entries
  • PF_RING Capture Modules
  • Fix drop statistics on Napatech with HBA set
  • ZC Drivers
  • New igb-zc driver v.5.10.2
  • New i40e-zc driver v.2.17.4
  • New ice-zc driver v.1.8.8
  • nBPF
  • Fix double free
  • Examples
  • New sample application pfsend_multichannel to send traffic using RSS
  • New zdelay application to forward traffic between interfaces, adding a configurable delay
  • pfcount_multichannel: remove limit on number of threads
  • zbalance_ipc: improve hashing modes (e.g. add -Y to control eth type)
  • pfcount:
    • Add -0 to steer all traffic to RSS queueu 0
    • Add -P to set rule priority
  • ftflow_dpdk:
    • Set RSS mode/hf (required on some adapters e.g. Mellanox)
    • Use time from hardware timestamp when available
  • Misc
  • Add support for Ubuntu 22
  • Remove nBroker support (fm10k adapters are EOL)

2021-08-11 PF_RING 8.0

  • PF_RING Library
  • Add pfring_recv_burst API allowing batch receive (when supported by the capture module/adapter)
  • New zero-copy AF_XDP support (reworked), including pfring_recv_burst support
  • Fix breakloop when using pfring_loop
  • ZC Library
  • New pfring_zc_pkt_buff_data_from_cluster API to get the packet buffer providing packet handle and cluster
  • New pfring_zc_pkt_data_buff API to get the packet handle providing packet buffer and cluster
  • New pfring_zc_pkt_buff_pull_only API to remove data from the head room of a packet
  • Add PF_RING_ZC_BUFFER_HEAD_ROOM define (buffer head room size)
  • Add PF_RING_ZC_SEND_PKT_MULTI_MAX_QUEUES define (max number of queues in queues_mask)
  • FT Library
  • New pfring_ft_api_version API to get the API version
  • New pfring_zc_precompute_cluster_settings API to get memory information before allocating resources
  • Add VXLAN encapsulation support
  • Add tunnel_id to flow metadata
  • Add support for compiling examples with DPDK >=20
  • Fix L7 metadata with short flows
  • PF_RING-aware Libpcap/Tcpdump
  • Set 5-tuple clustering as default when using clustering with libpcap
  • PF_RING Kernel Module
  • Support for kernel >=5.9
  • Add more info to /proc, including promisc mode and ZC slots info
  • Handle long interface name (error on interface length bigger than 14-char as supported by bind)
  • Fix channel selection when channel is unknown (e.g. VM)
  • Fix triple VLAN tags with hw offload/acceleration
  • Fix check on mapped memory size
  • Fix potential data race in SO_SET_APPL_NAME
  • Fix OOB access
  • PF_RING Capture Modules
  • Accolade library update (SDK 1_2_20210714)
  • Napatech library update (SDK 12.7.2.1)
  • Silicom/Fiberblaze library update (SDK 3_5_9_1)
  • Add steer_to_ring and ring_id fields to Accolade rules (accolade_hw_rule)
  • Add support for recv burst on Napatech adapters in chunk mode
  • Add PF_RING_PACKET_CAPTURE_PRIO env var to set hostBufferAllowance on Napatech adapters
  • Rename ACCOLADE_RING_BLOCKS env var to ANIC_RING_BLOCKS on Accolade adapters (default is now 16)
  • Fix Accolade drop counter when capturing from rings
  • Fix extraction of packets with nsec timestamps on Timeline module (n2disk dump)
  • ZC Drivers
  • New ice ZC driver v.1.3.2 (Intel Columbiaville / E810 adapters) with symmetric RSS support
  • Support latest kernels, including RH/CentOS 8.4 and Ubuntu 20, for all ZC drivers
  • i40e ZC driver update (v.2.13.10)
  • e1000e ZC driver update (v.3.8.7)
  • nBPF
  • New nBPF primitives 'device ' and 'interface ' to match metadata from Arista MetaWatch devices
  • Examples
  • pfcount
    • Add -B option (burst mode)
  • pfsend
    • Add -n support with -f
    • Add support to reforge src/dst IP from pcap with -S and -D
  • ftflow
    • Add -E option to run extra DPI dissection (e.g. to print JA3 info)
  • zbalance_ipc
    • Add runtime reload of nDPI protocol configuration file
    • Add -m 7 option (sample distribution based on eth type)
    • Add default configuration file /etc/cluster/cluster.conf (when no option is specified)
  • Misc
  • Move libraries and utility scripts from /usr/local to /usr
  • Install pfring-aware tcpdump with packages
  • Add revision to pfring-dkms version

2020-10-19 PF_RING 7.8

  • PF_RING Library
  • Add support for Device ID and Port ID to the extended packet header
  • Add Arista 7150 Series hw timestamps support (keyframes and packet trailer parsing and stripping)
  • Add Metawatch Metamako hw timestamps support (packet trailer parsing and stripping)
  • errno EINTR is now returned on breakloop
  • Improve XDP support
  • Replace configure --enable-xdp with --disable-xdp (XDP enabled by default when supported)
  • ZC Library
  • New PF_RING_ZC_DEVICE_METAWATCH_TIMESTAMP flag to enable Metawatch hw timestamps
  • New pfring_zc_get_pool_id API to get the Pool ID
  • New pfring_zc_run_balancer_v2 pfring_zc_run_fanout_v2 APIs to support filtering functions
  • BPF support in ZC interfaces, standard interfaces and SPSC queues
  • Add support for BPF in TX queues
  • Builtin GTP hash now expose GTP info (flags)
  • Fix CRC strip on ixgbevf
  • FT Library
  • New pfring_ft_flow_get_id API to get the flow ID
  • New PFRING_FT_IGNORE_HW_HASH flag to ignore hw packet hash
  • New PKT_FLAGS_FLOW_OFFLOAD_1ST packet flag (first packet of a flow)
  • Add support for flow slicing
  • New API pfring_ft_flow_get_users to get flow users (in case of slicing)
  • Improve application protocol detection
  • Fix bogus-IP headers parsing
  • PF_RING-aware Libpcap/Tcpdump
  • New libpcap v.191
  • New tcpdump v.4.9.3
  • stats.ps_recv now includes packets dropped due to out of buffer space
  • PF_RING Kernel Module
  • Fix channels with standard drivers
  • Fix 64-bit channel mask
  • Fix defragmentation of packets with ethernet padding
  • Fix unnecessary device mapping causing ifindex exhaustion
  • PF_RING Capture Modules
  • Update support for Fiberblaze adapters
  • Fix filtering with Accolade adapters
  • ZC Drivers
  • New ice ZC driver supporting E800 Series Intel adapters
  • Support for Ubuntu 20 LTS
  • Support for CentOS/RedHat 8.2
  • Fix queue attach/detach in ixgbe-zc
  • Support for kernel 5.4
  • nBPF
  • Add support for matching Local/Remote IP (new extended-BPF primitives)
  • Support uppercase AND/OR in extended-BPF filters
  • Fix extended-BPF grammar
  • Examples
  • New zfilter_mq_ipc sample app (packet filtering with multiple threads and fanout to multiple consumer processes)
  • ftflow:
    • New -H option to ignore hw hash setting PFRING_FT_IGNORE_HW_HASH
    • New -t option to print stats only
  • ftflow_dpdk
    • New -l option to run loopback tests
    • Add RX/TX ring size configuration
  • pfsend:
    • New -z option to precompute randomized sequence
    • New -W ID[,ID] option to forge VLAN and QinQ VLAN
  • zbalance_ipc:
    • New -x option to filter by VLAN ID
    • Add ability to set BPF to egress queues
    • Add ability to refresh BPF filters at runtime
    • New -G : option to forward GTP-C traffic to a specific queue
  • New zcount -f option to set BPF filters
  • New pfcount -F option (do not strip FCS)
  • New zcount/zcount_ipc -t option to read the packet payload
  • New pcount -e option to set the capture direction
  • Add VLAN to the flows dumped by ftflow
  • Fix transmission of small packets (less than 60 bytes)
  • Fix CPU affinity in ZC sample applications
  • Misc
  • Handle failures in service restart during package updates
  • Add linux headers dependency to the pfring-dkms package
  • Add actual version/revision to pfring-drivers-zc-dkms packages
  • Fix installed .so library and links
  • Fix ZC DAQ compilation and API update
  • Fix service scripts to avoid command injections

2020-02-18 PF_RING 7.6

  • PF_RING Library
  • New pfring_open flag PF_RING_TX_BPF to evaluate the BPF filter also for TX
  • New pfring_open flag PF_RING_FLOW_OFFLOAD_TUNNEL to dissect tunneled traffic in flow-offload mode
  • New pfring_open flag PF_RING_DISCARD_INJECTED_PKTS to discard stack-injected packets
  • ZC Library
  • New API call pfring_zc_close_device to close a ZC interface
  • New 'flags' parameter to pfring_zc_create_cluster
  • Fixed memory allocation in case of more than 4GB of buffer size
  • FT Library
  • New API call pfring_ft_set_filter_all_protocols to reset all filtering rules
  • New API call pfring_ft_set_license to set a license at runtime
  • New API call pfring_ft_flow_get_ndpi_handle to access the flow nDPI handle
  • New pfring_ft_l7_protocol_id, pfring_ft_get_ndpi_handle to access the nDPI handle
  • New pfring_ft_flow_value status field to get flow termination reason
  • New PFRING_FT_TABLE_FLAGS_DPI_EXTRA flag to enable extra metadata extraction
  • New PFRING_FT_DECODE_TUNNELS flag to decode tunnels, new tunnel_type item in the flow value
  • New flow slicing support (pfring_ft_flow_set_flow_slicing API)
  • Added CAPWAP support
  • Added flow metadata for HTTP/DNS/SSL
  • Added global 'default' section to the rules configuration file
  • Added dpi_min_num_tcp_packets / dpi_min_num_udp_packets to the configuration file
  • Added flow_idle_timeout / flow_lifetime_timeout to the configuration file
  • Added src/dst mac to the exported flow key
  • Added ICMP type/code to flow metadata
  • Added flags to flow metadata
  • Added custom flow actions to be defined by the user
  • Added pfring_ft_load_configuration_ext API
  • Improved protocol detection for some protocols like Skype
  • Improved metadata extraction for some protocols like Telnet
  • Improved pfring_ft_license to return the duration also in demo mode
  • Changed l7_detected callback: this is called before the flow_packet callback now
  • Changed pfring_ft_create_table and pfring_ft_flow_value to allocate user metadata as part of the flow structure
  • Fixed filtering/shunting of custom protocols
  • Fixed protocol detection in case of guess
  • Fixed pfring_ft_set_l7_detected_callback user parameter handling
  • PF_RING-aware Libpcap
  • Fixed device name check during socket initialization to handle long interface names
  • Fixed loop break
  • PF_RING Kernel Module
  • Added new clustering mode cluster_per_flow_ip_with_dup_tuple
  • Allow any to capture from any namespace (on the host only)
  • Remapping ifindex to an internal device index to handle ifindex growing indefinitely
  • Fixed kernel crash parsing malformed packets (12 nested QinQ VLAN headers with GRE)
  • Fixed possible race condition
  • Fixed QinQ VLAN and VLAN offload support
  • Fixed concurrent access to the ring in case of loopback device and bridge
  • Compilation fixes for kernel 5.x
  • Reworked max ring size check to handle cases like jumbo frames
  • Improved promisc management
  • PF_RING Capture Modules
  • New AF_XDP capture module
  • Napatech library update, fixed findalldev
  • Accolade library update, fixed caplen vs orig len, new env var ACCOLADE_FLOW_IDLE_TIMEOUT
  • Myricom library update, license fix with port aggregation
  • DAG library update
  • ZC Drivers
  • New ixgbe-zc driver v.5.5.3
  • Support for Intel X550
  • Compilation fixes for kernel 5.x
  • Handling if up/down when the interface is in use by ZC
  • nBPF
  • Added support to match custom fields through a callback (nbpf_set_custom_callback)
  • Examples
  • zcount improvements:
    • Added -T option to capture TX
  • zbalance_ipc improvements:
    • Fixed -m 4/5/6 with multiple applications and more than 32 queues
    • New -E option to enable debug mode
    • New -C and -O options
  • ftflow_dpdk improvements:
    • More stats: drops, hw stats, per-queue throughput
    • New options to control the link status, flow control, autoneg, port speed, checksum offload
    • New -P option to set the TX rate
    • New TX test mode and -T option to set the packet len
    • New -F option to enable forwarding
    • New -m option to set the mtu
    • Capture-only mode
    • Forward optimizations
  • ftflow_pcap improvements:
    • Support for processing a PCAP file
    • New -p <proto.txt> option
    • New -F option to configure filtering/shunting rules
  • pfsend improvements:
    • New -8 option to send the same packets times before moving to the next
    • New -B option to set a BPF filter
    • New -t option to forge N different source port
    • New -A option to generate increasing number of flows
  • pfcount improvements:
    • New -R option to disable RSS reprogramming
  • pfbridge now discards injected packets
  • Misc
  • New pf_ringcfg script to automatically configure pf_ring and drivers
  • New pre/post scripts executed by systemd before/after loading pf_ring and drivers
  • Improved hugepages configuration with multiple nodes
  • npcap lib update, storage utility functions fix for NFS

2018-12-19 PF_RING 7.4

  • PF_RING Library
  • New pfring_open PF_RING_DO_NOT_STRIP_FCS flag to disable FCS/CRC stripping (when supported by the adapter)
  • Improved support for cross-compilation
  • New PF_RING_FT_CONF environment variable to enable PF_RING FT support and load L7 filtering rules
  • New PF_RING_FT_PROTOCOLS environment variable to load L7 protocols when PF_RING FT for L7 filtering is enabled
  • ZC Library
  • New pfring_zc_open_device flag PF_RING_ZC_DO_NOT_STRIP_FCS to disable FCS/CRC stripping (when supported by the adapter)
  • New builtin hash function pfring_zc_builtin_5tuple_hash based on 5-tuple
  • Fixed SPSC queues BPF support
  • Fixed KVM/ivshmem support on Ubuntu 16
  • Fixed pfring_zc_recv_pkt_burst with ixgbe-zc drivers
  • FT Library
  • New pfring_ft_set_l7_detected_callback API to set a callback for classified flows/packets (L7 protocol detected)
  • New pfring_ft_set_default_action API to set the default action for classified L7 flows
  • New pfring_ft_flow_get_action API to get the computed/actual flow action asyncronously
  • New pfring_ft_create_table flow_lifetime_timeout parameter to configure the maximum flow duration
  • New pfring_ft_load_ndpi_protocols API to load custom nDPI protocols from a configuration file (example: https://github.com/ntop/nDPI/blob/dev/example/protos.txt)
  • New pfring_ft_is_ndpi_available API to check nDPI availability
  • Added active_flows to pfring_ft_stats to get the number of currently active flows
  • PF_RING-aware Libpcap
  • New pcap_get_pfring_handle API to get the PF_RING handle used by Libpcap
  • New PCAP_PF_RING_ALWAYS_SYNC_FD environment variable for applications not using the fd provided by pcap_get_selectable_fd
  • Fix for applications polling from the pcap selectable fd when ZC drivers are used
  • PF_RING Kernel Module
  • Updates to support kernel 4.18 or older
  • Fixed 'stack' TX capture in ZC mode
  • Fixed ifindex lookup
  • Fixed promiscuous mode corner cases
  • Fixed arm32 support
  • Fixed IPv6 support in software filtering rules
  • Fixed software hash rules
  • Fixed kernel clustering in case of non-IP packets (sporadically recognized as IP fragments when the fragments cache was enabled)
  • PF_RING Capture Modules
  • Timeline module fixes:
    • Fixed extraction of non-IP packets
    • Fixed permissions check when running as unprivileges user, when the user has permissions on the filesystem
  • Accolade module update to support latest SDK API and features
  • Fixed Fiberblaze module bulk mode
  • ZC Drivers
  • New ixgbevf ZC driver
  • Drivers updates to support kernel 4.18 or older
  • Fixed sporadic crashes during application startup on high traffic rates
  • Fixed the DKMS packages
  • i40e ZC driver improvements:
    • Forcing symmetric RSS hash on old firmwares
    • Improved interrupts management to fix packets delivered in batches
    • Fixed interrupts management when multiple sockets are active on the same interface (RX+TX or RSS)
  • ixgbe ZC driver improvements:
    • Increased max MTU length to 16K
    • Fixed card reset due to kernel-space TX packets pending while the interface is in use by ZC
  • Improved hardware timestamp support for igb ZC (i350/82580 adapters)
  • nBPF
  • Fixed 'portrange' token in BPF-like filters
  • Examples
  • New pftimeline example to extract traffic from a n2disk dump set using the pf_ring API
  • New pfsend -M option to forge the source MAC address
  • zbalance_ipc improvements:
    • Added -m 6 distribution function (interface X to queue X)
    • Added queues and TX interface stats under /proc (-p)
    • Fixed multiapp (fanout) distribution for more than 32 egress queues
  • ftflow improvements:
    • New -F option to load rules from a configuration file
    • New -p option to load custom protocols
    • Improved output (e.g. printing the flow action)
  • Improved ftflow_dpdk example, added bridging support
  • Fixed software filtering in pfcount (enabling full headers when filtering is enabled)
  • IDS Support (Snort/Bro)
  • Fixed Snort DAQ filtering API
  • Fixed cluster issues on Bro (due to a libpcap symbols issue)
  • Misc
  • Improved 'zbalance_ipc' clusters management with systemd:
    • Service improvements to set the status after the cluster process is actually up and running
    • Fixed hugepages memory allocation in case of clusters not using ZC drivers
  • CoreOS support, pf_ring module and drivers installation scripts
  • Improved service dependencies with systemd with respect to other ntop applications
  • Added GID to the hugepages configuration file to allow nonprivileged users to use ZC applications

2018-06-12 PF_RING 7.2

  • ZC Library
  • New API pfring_zc_pkt_buff_pull / pfring_zc_pkt_buff_push to manage buffer head room
  • New builtin hash pfring_zc_builtin_gre_hash with support for GRE tunneling
    • zbalance_ipc -m 5 option for enabling GRE hashing
  • Support for up to 64 queues in pfring_zc_send_pkt_multi and pfring_zc_distribution_func
  • Fix for attaching to ZC IPC queues from containers
  • FT Library (New)
  • L7 flow classification and filtering library
  • Event-driven capture-agnostic API
  • Sample applications
    • ftflow: flow records generation with PF_RING capture
    • ftflow_pcap: flow records generation with PCAP capture
    • ftflow_dpdk: flow records generation with DPDK capture
    • fttest: performance benchmarking tool
    • zbalance_ipc extension to process flows and filter packets
  • nBroker (New)
  • Traffic steering and filtering on Intel RRC (FM10K adapters)
  • Daemon to drive the adapter (nbrokerd)
  • API to configure the adapter using a C library (nbrokerlib)
  • Command-line tool with auto-completion to configure the adapter using scripts (nbroker-cli)
  • Low-level library used by nbrokerd to drive the adapter (rrclib)
  • PF_RING-aware Libpcap
  • PCAP_PF_RING_USERSPACE_BPF env var to force userspace filtering instead of kernel filtering
  • PF_RING Kernel Module
  • Full support for namespaces and containers
  • Fixed skbuff forwarding with fast-tx using reflect_packet
  • Fixed VLAN support in BPF with kernel extensions
  • Fixed support for NetXtreme cards with multiple queues
  • Fixed sw hash filtering for IPv6
  • Fixed intel_82599_perfect_filter_hw_rule VLAN byte order
  • Fixed huge rings (high number of slots or huge slot size)
  • Fixed VLAN offset and packet hash in case of QinQ and VLAN offload
  • Support for Ubuntu 18
  • Support for latest Centos 7 kernel
  • Support for latest Debian 8 kernel
  • PF_RING Capture Modules
  • Released source code for FPGA capture modules including Endace, Exablaze, Inveatech, Mellanox, Netcope
  • Accolade lib updates
    • New flag PF_RING_FLOW_OFFLOAD_NOUP to enable flow offload without flow updates (standard raw packets are received, flow id is in the packet hash)
    • Automatically generate the rule ID using rule_id = FILTERING_RULE_AUTO_RULE_ID
    • Support for accolade 200Ku Flex adapters
  • Fiberblaze lib updates
    • Packet recv in chunk mode
  • Fixed extraction from npcap/timeline in case of empty PCAP files in the dump set
  • Endace DAG updates
    • Setting extended_hdr.pkt_hash from ERF FlowID or Packet Signature extension headers if available
    • Support for pfring_set_application_name
    • Support for pfring_dag_findalldevs
  • Napatech lib updates
    • Support for sdk v10
  • Drivers
  • e1000e zc driver update v.3.4.0.2
  • i40e zc driver update v.2.4.6
  • ixgbe zc driver update v.5.3.7
  • igb zc driver update v.5.3.5.18
  • Fixed interrupts handling on i40e when in zc mode, this fixes the case where packets are received in batches of 4/8 packets
  • Using nbrokerd for initializing FM10K adapters and configuring the RRC switch
  • nBPF
  • Fixed rules constraints
  • Misc
  • Reworked init.d systemd support
  • New pf_ringctl script to manage pf_ring and drivers (this is used by init.d/systemd)
  • Documentation improvements, Doxygen integration with "read the docs"

2017-10-20 PF_RING 7.0

  • PF_RING Library
  • Flow offload support
    • New PF_RING_FLOW_OFFLOAD pfring_open() flag to enable hw flow offload on supported cards (received buffers are native metadata)
    • New PF_RING_FLOW_OFFLOAD_NOUPDATES pfring_open() flag to disable flow updates with hw flow offload enabled: only standard raw packets with a flow id are received
    • New PKT_FLAGS_FLOW_OFFLOAD_UPDATE packet flag to indicate flow metadata in the received buffer (generic_flow_update struct)
    • New PKT_FLAGS_FLOW_OFFLOAD_PACKET packet flag to indicate raw packet with flow_id in pkt_hash
    • New PKT_FLAGS_FLOW_OFFLOAD_MARKER packet flag to indicate marked raw packet
  • Fixes for ARM systems
  • ZC Library
  • New pfring_zc_set_app_name API
  • PF_RING_ZC_PKT_FLAGS_FLOW_OFFLOAD flag to enable hw flow offload
  • Fixed BPF filters in SPSC queues
  • Fixed hugepages cleanup in case of application dropping privileges
  • Fixed sigbus error on hugepages allocation failure on numa systems
  • Fixed multiple clusters allocation in a single process
  • PF_RING-aware Libpcap/Tcpdump
  • Libpcap update v.1.8.1
  • Tcpdump update v.4.9.2
  • PF_RING Kernel Module
  • Docker/containers namespaces isolation support
  • Fixed capture on Raspberry Pi
  • Implemented support for VLAN filtering based on interface name (., where ID = 0 accepts only untagged packets)
  • New cluster types cluster_per_flow_ip_5_tuple/cluster_per_inner_flow_ip_5_tuple to balance 5 tuple with IP traffic, src/dst mac otherwise
  • Fixed hash rule last match, new hash_filtering_rule_stats.inactivity stats
  • PF_RING Capture Modules
  • Accolade flow offload support
    • New hw_filtering_rule type accolade_flow_filter_rule to discard or mark a flow
  • Netcope support
    • New hw_filtering_rule type netcope_flow_filter_rule to discard a flow
  • Improved Fiberblaze support
    • pfring_get_device_clock support
    • Ability to set native filters by setting as BPF string 'fbcard:'
    • Fixed TX memory management
    • Fixed subnet BPF filters
    • Fixed drop counter
    • Fixed capture mode
    • Fixed sockets not enabled
    • FPGA error detection
  • Endace DAG update
  • npcap/timeline module compressed pcap extraction fix
  • Drivers
  • ixgbe-zc driver update v.5.0.4
  • i40e-zc driver update v.2.2.4
  • nBPF
  • Fixed nBPF parser memory leak
  • Examples
  • New pfsend option -L to forge VLAN IDs
  • zbalance_ipc improvements
    • Ability to dump output to log file (-l)
    • Fixed privileges drop (-D)
  • Misc
  • Fixed systemd dependencies, renamed pfring.service to pf_ring.service
  • New /etc/pf_ring/interfaces.conf configuration file for configuring management and capture interfaces

2017-04-24 PF_RING 6.6

  • PF_RING Library
  • New pfring_findalldevs/pfring_freealldevs API for listing all interfaces supported by pf_ring
  • New timeline module based on libnpcap for seamlessly extracting traffic from a n2disk dumpset using the pf_ring API
  • Dynamic capture modules loading with dlopen support
  • Improved pfring_set_bpf_filter to set hw rules when supported by the network card thanks to the nBPF engine
  • ZC Library
  • New pfring_zc_set_bpf_filter/pfring_zc_remove_bpf_filter API for setting BPF filters to device queues
  • Fixed pfring_zc_queue_is_full for device queues
  • Flushing SPSC queues when a consumer attaches (RX only)
  • PF_RING-aware Libpcap/Tcpdump
  • Support for extracting traffix from a n2disk dumpset using libpcap
  • tcpdump upgrade to v.4.9.0
  • PF_RING kernel module
  • Support for latest ubuntu and centos stable kernels
  • Support for SCTP and ICMP packet parsing
  • Packet hash improvements
  • Added tunneled IP version to packet metadata
  • Added IP version to sw filters
  • New kernel cluster hash types for tunneled traffic
  • QinQ VLAN parsing
  • Removed deprecated kernel plugins support
  • Promisc fix in case of multiple devices in a single socket
  • Drivers
  • Support for latest ubuntu and centos stable kernels
  • FPGA modules/libraries are now loaded at runtime using dlopen
  • RSS support on Intel i211
  • Jumbo frames support on i40e
  • i40e tx optimisations
  • i40e interrupts fixes in case of RSS
  • Fiberblaze capture module with chunk mode support
  • Exablaze capture module
  • Accolade improvements
  • Endace DAG update and support for streams
  • Myricom ports aggregation fixes, new syntax myri:,
  • nBPF
  • New nBPF filtering engine supporting an extended subset of the BPF syntax (tunneled traffic and l7 protocols are supproted)
  • nBPF support for hw filtering on Fiberblaze cards
  • nBPF support for hw filtering on Intel FM10K cards (Silicom PE3100G2DQIR)
  • nBPF support for hw filtering on Exablaze cards
  • nBPF support for hw filtering on Napatech cards and NTPL generation
  • Support for "start and end and " when extracting from a n2disk timeline
  • Support for vlan [id], mpls [label], gtp
  • Examples
  • pfcount:
    • ability to list interfaces with -L (-v 1 for more info)
    • ability to dump traffic on PCAP file with -o
  • psend:
    • option to force flush per packet (-F)
    • options to specify src/dst IP for packet forging (-S/-D)
    • option to forge packets on the fly instead of at preprocessing time (-O)
    • option to randomize generated ips sequence (-z)
    • ability to generate IPv6 traffic (-V 6)
    • ability to generate mixed v4 and v6 traffic (-V 0)
    • TCP/UDP checksum when reforging
  • zbalance_ipc
    • option to use hw aggregation when supported by the card (-w)
    • IP-based filtering with ZMQ support for rules injection
  • Wireshark
  • New extcap module 'ntopdump' for Wireshark 2.x
  • Misc
  • Improved systemd support (Ubuntu 16)

2016-06-07 PF_RING 6.4

  • PF_RING Library
  • Improved Myricom support, new naming scheme to improve usability
  • Improved Napatech support, 100G support
  • Improved Accolade support
  • New Invea-Tech support
  • New API pfring_get_metadata to read ZC metadata
  • New pfring_get_interface_speed API
  • New API pfring_version_noring()
  • C++ wrapper improvements
  • Removed DNA legacy
  • ZC Library
  • New API pfring_zc_set_device_proc_stats to write /proc stats per device
  • New API pfring_zc_set_device_app_name to write the application name under /proc
  • New API pfring_zc_get_cluster_id to get the cluster ID from a queue
  • New API pfring_zc_check_device_license for reading interface license status
  • New API pfring_zc_get_queue_settings to read buffer len and metadata len from queue
  • New API pfring_zc_get_queue_speed to read the link speed
  • New pfring_zc_open_device flag PF_RING_ZC_DEVICE_NOT_PROMISC to open the device without setting promisc mode
  • New packet metadata flags, including IP/L4 checksum (when available from card offloads)
  • Improved pfring_zc_builtin_gtp_hash
  • PF_RING-aware Libpcap/Tcpdump
  • New libpcap v.1.7.4
  • New tcpdump v.4.7.4
  • Libnpcap support to let libpcap-based applications (i.e. tcpdump) read compressed .npcap files produced by n2disk
  • Native nanosecond timestamps support
  • Tcpdump patch to close the pcap handle in case of errors (this avoids breaking ZC queues)
  • PF_RING kernel module
  • Fixed BPF support on kernel 4.4.x
  • Fixed RSS support on Centos 6 (it was reporting the wrong number of queues, affecting RSS rehash)
  • Reworked promisc support: handling promisc through the pf_ring kernel module in order to automatically remove it even when applications drop privileges
  • VLAN ID fix in case of vlan stripping offload enabled (it was including priority bits)
  • Drivers
  • New i40e-zc v.1.5.18
  • New fm10k-zc v.0.20.1
  • Support for latest Ubuntu 16, RHEL 6.8, Centos 7
  • Fixed i40e-zc initialisation failures due to promisc reset
  • Fixed i40e-zc 'transmit queue 0 timed out'
  • Fixed e1000e-zc memory leak
  • Examples
  • Added ability to reforge MAC/IP also when reading packets from pcap file/stdin in pfsend
  • Added -f option for replaying packets from pcap file in zsend
  • Added -o option to pfsend to specify an offset to be used with -b
  • Added -r option to use egress interfaces instead of queues in zbalance_ipc
  • Snort DAQ
  • Fixed DAQ-ZC buffer leak in IPC mode
  • Fixed DAQ_DP_ADD_DC support
  • Fixed support for DAQ < 2.0.6

2015-11-26 PF_RING 6.2

  • PF_RING Library
  • Accolade Technology support
  • Myricom/CSPI NICs (ASIC/FPGA) support with APIv4
  • Napatech module compatibility with ntanl v.4.0.1
  • New API pfring_set_packet_slicing for packet slicing (hw support when available)
  • New pfring_open flag PF_RING_ZC_IPONLY_RSS to compute RSS on IP only (not 4-tuple)
  • Reworked pfring_recv_chunk API to handle generic segments
  • Packet-mode with Napatech using pfring_recv also when card is configured as PCAP
  • Improved pfring_print_parsed_pkt with STP support
  • Improved software filtering rules stats
  • Fix for capturing tx packets in stack mode
  • Removed libnuma dependency (using native numa support in PF_RING ZC)
  • Added pfring_config tool to print includes and libs used in the current PF_RING configuration
  • Fixed loops in stack mode (e.g. stack injected packets captured from kernel in 1-copy mode)
  • Fix for IPv6 in pfring_hash_pkt
  • License update to LGPL 2.1
  • ZC Library
  • New API pfring_zc_set_rxfh_indir to reprogram RSS REdirection TAble
  • New pfring_zc_open_device flag PF_RING_ZC_DEVICE_CAPTURE_TX to capture also TX direction on standard devices
  • Fixed e1000e caplen
  • Fixed i40e TX
  • Fixed device detach
  • Fixed DAQ-ZC IPC detach
  • Fix for re-running recv after a breakloop in pfring_zc_queue_breakloop
  • Fix for nanoseconds in case of software timestamps with ZC devices
  • DNA Library
  • Fixed cluster queues initialisation in Libzero
  • PF_RING-aware Libpcap
  • Fixed pcap_brekloop (tcpdump now handles sigterm correctly when there is no traffic)
  • PF_RING kernel module
  • Compilation fixes for FC 22 with kernel 4.x
  • Fixed BPF support in Centos 7 (causing crashes)
  • Fixed concurrent /proc updates and interface name clashes
  • PF_RING-aware/ZC Drivers
  • New e1000e driver v.3.2.7.1 with kernel 4.x support
  • New igb driver v.5.3.2.2 with kernel 4.x support
  • New ixgbe driver v.4.1.5 with kernel 4.x support
  • New i40e-zc driver v.1.3.39.1 with kernel 4.x support
  • Fixed rx stats in ifconfig/proc/ifstat/etc.
  • Fixed stats with X540
  • ixgbe: forcing drop_en on all queues when an rx queue is open
  • DNA Drivers
  • New e1000e driver v.3.2.4.2
  • New igb driver v.5.3.2.2
  • New ixgbe driver v.4.1.2
  • igb hw timestamp change from 40 bit to 64 bit full timestamp
  • Examples
  • zbounce: printing direction
  • zbalance_ipc: optimisation to reduce time-pulse thrad load on non-time-sensitive applications
  • pfsend: linux cooked packets support
  • pfsend: ability to specify egress rate in pps
  • Snort DAQ
  • Fixed direction and L2 header in the inject function

2015-03-30 PF_RING 6.0.3

  • PF_RING Library
  • New pfring_open() flag PF_RING_USERSPACE_BPF to force userspace BPF instead of in-kernel BPF with standard drivers
  • New API pfring_get_card_settings() to read max packet length and NIC rx/tx ring size
  • New Napatech support
  • Support for up to 64 channels with standard drivers, pfring_set_channel_mask() has a 64bit channel mask parameter now
  • Reworked IPv6 parsing
  • Configure parameter --disable-numa to remove libnuma dependency
  • ARM fixes
  • Minor bpf memory leak fix
  • ZC Library
  • New pfring_zc_open_device() flag PF_RING_ZC_DEVICE_SW_TIMESTAMP to force sw timestamp
  • New API pfring_zc_get_queue_id() to read SPSC queue ID or interface index
  • New DAQ module for ZC
  • pfring_zc_send() is now returning errno=EMSGSIZE on packet too long
  • Fix for receiving packets from stack using
  • Fix for send_pkt_burst() with IPC SPSC queues
  • Fix for drop stats when using SPSC queues over the standard pf_ring API
  • Fix for /proc stats in IPC mode when using the standard pf_ring API
  • Fix for packet timestamp when using SPSC queues over the standard pf_ring API
  • Fix for stats when inter-process SPSC queues are used
  • PF_RING-aware Libpcap
  • New PF_RING-aware libpcap v.1.6.2
  • New .npcap (compressed pcap) files support
  • Fix for libpcap over ZC, reworked poll support
  • PF_RING kernel module
  • New eth_type field in kernel filters
  • Reworked BPF support
  • Polling Mode/Breed under /proc is now "ZC" for ZC devices (in place of DNA)
  • Increased max dev name size
  • transparent_mode is now deprecated
  • Fix for 'any' device
  • Fix for kernel >=3.19
  • Fix for hw vlan strip in case of multiple sockets on the same device (standard drivers)
  • Fix for kernel Oops (rx vlan offload check)
  • PF_RING-aware/ZC Drivers
  • New Intel i40e (X710/XL710) ZC drivers
  • New ixgbe ZC driver v.3.22.3
  • ixgbe poll fix
  • Fixes for Centos/RH 6.6
  • Fixes for kernel >=3.16
  • Examples
  • New zbalance_DC_ipc: a master process balancing packets to multiple consumer processes, using multiple threads for packet filtering in a Divide-and-Conquer fashion, with an optional stage for sorting filtered packets before distribution
  • New zreplicator: example application receiving packets from n ingress interfaces and replicating them to m egress interfaces
  • pfcount: -N parameter to exit after reading packets
  • zsend:
    • IPC support to attach to an external cluster/queue
    • added -P to use pulse-time thread for tx rate control
    • added -Q to enable VM support (to attach a consumer running in a VM)
  • zbalance_ipc:
    • ability to create ingress sw queues (instead of opening interfaces) with -i Q (comma-separated list of Q and interfaces is allowed)
    • added daemon mode
    • added pid file
    • proc stats fix
    • interface and per-queue stats with -p
  • pflatency:
    • added -o and -c
    • max/min/avg stats
  • zfifo fixes

2014-09-24 PF_RING 6.0.2

  • PF_RING Library
  • New Ixia hw timestamp support
  • New sysdig module
  • Userspace bpf filtering with pfring_set_bpf_filter() when kernel-bypass is used (DNA/Libzero/ZC)
  • Fixed fd leak
  • ZC Library
  • New API to add/remove hw filters: pfring_zc_add_hw_rule()/pfring_zc_remove_hw_rule()
  • New API to check tx queue status: pfring_zc_queue_is_full()
  • New API to sort traffic based on hw ts: pfring_zc_run_fifo()
  • New API to export stats in /proc: pfring_zc_set_proc_stats()
  • New API to hash packets based on GTP: pfring_zc_builtin_gtp_hash()
  • Hw ts support: new PF_RING_ZC_DEVICE_HW_TIMESTAMP, PF_RING_ZC_DEVICE_STRIP_HW_TIMESTAMP flags
  • Ixia ts support: new PF_RING_ZC_DEVICE_IXIA_TIMESTAMP flag
  • PPPoE support in pfring_zc_builtin_ip_hash()
  • Fix for huge memory allocation
  • Fix for stack injection
  • Fix for ZC cluster destroy
  • PF_RING kernel module
  • MPLS support
  • Support for huge rings (new ring version 16)
  • Fixed send for packet len = max frame size + vlan
  • Fix for huge memory allocation with standard pf_ring/libzero
  • Fixed 64 bit division on 32 bit systems
  • Fixed cluster hash
  • Fix for multichannel devices
  • DKMS support
  • PF_RING-aware/ZC Drivers
  • Hw filtering support in ixgbe-ZC driver (Intel 82599-based cards)
  • e1000e driver update v.3.0.4.1
  • ixgbe driver update v.3.21.2
    • numa node fix
    • new parameter allow_tap_1g to handle 1gbit/s TAP
  • DKMS support
  • DNA Drivers
  • e1000e driver v.2.5.4 vlan stripping disabled
  • DKMS support
  • PF_RING-aware Libpcap
  • New PCAP_PF_RING_RECV_ONLY env var to open socket in rx only
  • Fix for libpcap VLAN issues with LINUX_SLL
  • Fix for cpu spinning on pcap_read_packet()
  • Fix for userspace bpf with libzero/zc virtual interfaces
  • Fix for VLAN filtering
  • Examples
  • pfcount: userspace bpf fix
  • pfsend: fixed division by 0 with empty pcaps
  • pfbridge: added bpf support
  • pfdnacluster_master: added PPPoE support to hash
  • New zfifo example
  • zbalance: round-robin mode fix
  • zbalance_ipc
    • ability to spread packets across multiple instances of multiple applications in IP and GTP hash mode
    • ability to configure queue len
    • added support for n2disk10g multithread
  • Added zbalance_ipc zsend zcount zcount_ipc to the Ubuntu package
  • Added zbalance_ipc zsend zcount zcount_ipc to the RPM package

2014-05-06 PF_RING 6.0.1

  • PF_RING ZC
  • New pfring_zc_send_pkt_burst()
  • Fix for e1000e rx
  • Added ZC version in demo apps help
  • DNA
  • Fix for pfring_set_tx_watermark()
  • Drivers
  • Added numa_cpu_affinity parameter to PF_RING-aware/ZC ixgbe driver
  • PF_RING-aware/ZC drivers update:
    • ixgbe-zc v.3.21.2
    • igb-zc v.5.2.5
  • DNA drivers update:
  • ixgbe-dna v.3.21.2
  • Examples
  • pfcount:
    • Added ability to search strings on the payload
    • Added ability to dump on a pcap file the traffic matching strings (-x)
    • Improved ability to dump (-o) traffic on disk and create a log file
    • Handling SIGHUP with -o to close exising dump and create a new one
  • Fixed numa affinity
  • PF_RING Kernel module
  • added checksum offload flags to the packet header (when enabled)

2014-04-14 PF_RING 6.0.0

  • PF_RING ZC
  • Say hello to the new PF_RING ZC library!
  • PF_RING API
  • New chunk mode API (for supported cards only):
    • Added PF_RING_CHUNK_MODE pfring_open() flag
    • New pfring_recv_chunk()
  • New pfring_set_bound_dev_name() for setting custom bound device name
  • Added libnuma support for numa node affinity
  • Drivers
  • New generation PF_RING-aware drivers with ZC support:
    • e1000e-2.5.4-zc
    • igb-5.0.6-zc
    • ixgbe-3.18.7-zc
  • PF_RING-aware e1000e driver update (v.3.0.4.1)
  • Examples
  • New PF_RING ZC examples in userland/examples_zc
  • Moved libzero examples to userland/examples_libzero

2014-02-01 PF_RING 5.6.2

  • PF_RING Kernel module
  • Added compatibility for new kernels (post 3.10)
  • Redhat compilation fixes
  • PF_RING library
  • New pfring_print_pkt()/pfring_print_parsed_pkt()
  • pfring_get_selectable_fd fix: returning -1 on error
  • Doxygen documentation
  • Libzero
  • Time-pulse thread support in DNA Cluster (sw nsec ts)
  • Application stats fix for libzero DNA Cluster slave sockets
  • Added libnuma support to DNA Cluster for memory binding
  • Libpcap
  • Setting selectable fd via pfring_get_selectable_fd()
  • Examples
  • pfdnacluster_master
    • New -o and -f options to forward packets both to applications and an egress interface
    • Ability to drop privileges with -D
    • Stats under /proc/net/pf_ring/stats
    • New option -q
  • Applications stats have duration with msec resolution now
  • Drivers
  • New PF_RING-aware netxtreme2-7.8.37 driver (courtesy of Rob G rgagnon24@gmail.com)
  • PF_RING-aware igb (5.1.2) and ixgbe (3.19.1) drivers update (courtesy of Pablo Nebrera pablonebrera@eneotecnologia.com)
  • ixgbe DNA driver update (3.18.7)
  • igb DNA driver update (5.0.6)
  • e1000e DNA driver update (2.5.4)
  • ixgbe DNA driver pause frames fix
  • igb/ixgbe DNA drivers compilation fixes for Redhat 6.5
  • igb DNA jumbo mtu fix
  • igb DNA drop stats fix
  • DNA drivers fixes for applications calling poll/select directly (e.g. tshark)

2013-08-30 PF_RING 5.6.1

  • PF_RING Kernel module
  • Added enable_frag_coherence param: handle fragments to keep flow coherence in clusters
  • Cluster add/remove fix
  • PF_RING API
  • New pfring_get_link_status() call to check link status up/down
  • Examples
  • pfwrite
    • Added cluster id (-c) support
    • Added daemon mode (-b) support
    • Added redis PUBLISH/SUBSCRIBE for IMSI registration/delete
    • Enhanced IMSI tracking
    • Performance fix for GTP tunnels
    • Fixed buffer length issue
  • pfsend
    • Added daemon mode (-d) support
    • Added pid file (-P) support
  • pfdnacluster_master
    • Added pid file (-P) support
  • Libzero
  • DNA Bouncer fix: sometimes the decision function was accessing the wrong buffer
  • Snort DAQ
  • Fix for honouring cnt in pfring_daq_acquire()
  • Stats fix

2013-06-07 PF_RING 5.6.0

  • PF_RING Kernel module
  • Fixed bug that prevented the PF_RING cluster to work properly with specific traffic
  • Documentation
  • Libzero
  • Fixed bug that caused the DNA bouncer to process the correct packet
  • Examples
  • pfwrite
    • Added support for the microcloud so that for GTP traffic it is possible to dump traffic of specific IMSI phone
    • Added support for mobile networks (2G/3G/LTE) so that we can dump traffic of specific GTP tunnels
  • pfdump: added cluster id support (courtesy of Doug Burks doug.burks@gmail.com)
  • Snort (PF_RING DAQ)
  • Added microcloud support for notifying into the microcloud those hosts that are victims/attackers

2013-05-22 PF_RING 5.5.3

  • PF_RING Kernel module
  • Support for injecting packets to the stack
  • Added ability to balance tunneled/fragmented packets with the cluster
  • Improved init.d script
  • Packet len fix with GSO enabled, caplen fix with multiple clusters
  • Bug fixes for race condition with rss rehash, memory corruption, transparent mode and tx capture, kernels >= 3.7.
  • Drivers
  • Added PF_RING-aware driver for Chelsio cards (cxgb3-2.0.0.1)
  • New release for PF_RING-aware igb (igb-4.1.2)
  • DNA
  • Added support for Silicom 10 Gbit hw timestamping commodity NIC card
  • Added pfring_flush_tx_packets() for flushing queued tx packets
  • Fixes for cutting packets to snaplen, e1000-dna rx
  • Libzero
  • pfdnacluster_master support for multiple instances of multiple applications
  • Added dna_cluster_set_thread_name() to name the master rx/tx threads
  • Fix for direct forwarding with the DNA Cluster
  • Changed len to a ptr in DNA Bouncer decision function to allow user change forwarded packet content and lenght
  • Examples
  • Added ability to replay a packet with pfsend passing hex from stdin
  • Added pfwrite to the package
  • Fix for rate control with huge files in pfsend

2013-01-09 PF_RING 5.5.2

  • PF_RING library
  • New pfring_open() flag PF_RING_DNA_FIXED_RSS_Q_0 to send all traffic to queue 0. Other queues can be selected using hw filters (DNA cards with hw filtering only).
  • Added ability to create a stats file under /proc/net/pf_ring/stats so that applications can report stats via the /proc filesystem.
  • pfring_set_application_stats() for reporting stats
  • pfring_get_appl_stats_file_name() for getting the exac filename where the app sets the statistics
  • DNA drivers
  • Flow Control disabled by default with the ixgbe-dna driver
  • Sample apps
  • New pfdump.c sample app
  • Userspace BPF support with DNA in pfcount.c
  • pfcount.c and pfsend.c update to report stats using pfring_set_application_stats()
  • Libzero
  • New experimental pfring_register_zerocopy_tx_ring()
  • New pfdnacluster_mt_rss_frwd sample app (packet forwarding using Libzero DNA Cluster for rx/balancing and standard DNA with zero-copy on RSS queues for tx)
  • Libpcap
  • pcap_get_pfring_id()
  • pcap_set_master_id()
  • pcap_set_master()
  • pcap_set_application_name()
  • pcap_set_watermark()
  • BUG fixes
  • Fix for corrupted VLAN tagged packets
  • Fix for wrong packet len with vlan stripping offload

2012-11-24 PF_RING 5.5.1

  • updated ixgbe driver to release 3.11.33
  • Fixed bug that was causing ixgbe driver not to disable interrupts. This was causing a high load on the core handling the interrupts for ixgbe-based card
  • libzero: various hugepages improvements and bug fixes
  • Added ability to specify PF_RING_RX_PACKET_BOUNCE in pfring_open
  • Fixed minor memory leak
  • Various improvements to support of hardware timestamp on Silicom Intel-based 10 Gbit adapters
  • DNA Bouncer: added direction to pfring_dna_bouncer_decision_func callback (useful in bidirectional mode)
  • DNA Cluster: added dna_cluster_set_hugepages_mountpoint() to manually select the hugepages mount point when several are available
  • Created architecture specific versions of libzero/DNA for exploiting latest generation of CPUs and thus improve performance
  • Update PF_RING-aware igb update (4.0.17)
  • Added pf_ring calls to pcap apps

2012-11-01 PF_RING 5.5.0

  • New libzero features:

    • DNA Cluster: number of per-consumer rx/tx queue slots and number of additional buffers can be configured via dna_cluster_low_level_settings()
    • hugepages support (pfdnacluster_master/pfdnacluster_multithread -u option)

  • New PF_RING-aware libpcap features:

    • added PF_RING_ACTIVE_POLL environmental variable to enable active polling when defined to 1
    • enable rehash rss setting env var PF_RING_RSS_REHASH=1
    • cluster type selectable via env vars:
      • PCAP_PF_RING_USE_CLUSTER_PER_FLOW
      • PCAP_PF_RING_USE_CLUSTER_PER_FLOW_2_TUPLE
      • PCAP_PF_RING_USE_CLUSTER_PER_FLOW_4_TUPLE
      • PCAP_PF_RING_USE_CLUSTER_PER_FLOW_TCP_5_TUPLE
      • PCAP_PF_RING_USE_CLUSTER_PER_FLOW_5_TUPLE

  • New PF_RING-aware drivers

    • Updated Intel drivers to make them compatible with newer kernels

  • New PF_RING library features:

    • new pfring_open() flag PF_RING_HW_TIMESTAMP for enabling hw timestamp

  • New PF_RING kernel module features:

    • handle_user_msg hook for sending msg to plugins
    • SO_SEND_MSG_TO_PLUGIN setsockopt for sending msgs from userspace
    • pf_ring_inject_packet_to_ring for inserting packets in a ring identified by <if_index, channel_id>)
    • possibility to redefine the rehash_rss function

  • Snort PF_RING-DAQ module:

    • new configure --with-pfring-kernel-includes option
    • fix for -u -g

  • DNA drivers fixes:

    • Compilation with RHEL 6.3
    • igb drop stats fix

  • Sample app new features:

    • new pfcount.c -s option for enabling hw timestamp
    • new pfdnacluster_multithread option for absolute per-interface stats

  • Sample apps fixes:

    • vlan parsing
    • compilation fix for HAVE_ZERO not set
    • pfcount fix for reentrant mode
    • core binding fixes

  • PF_RING kernel module fixes:

    • channel_id handling
    • fix for hash with cluster type in cluster_per_flow_*
    • important fix for standard pf_ring (BUG #252: extra packets with wrong size)
    • max caplen 16384 increased to 65535 (max 16 bit)
    • fix for handling packets with stripped VLAN IDs

  • Misc changes

    • Initial work on changelog maintenance