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/Linux-v6.1/Documentation/networking/
Dudplite.rst4 The UDP-Lite protocol (RFC 3828)
8 UDP-Lite is a Standards-Track IETF transport protocol whose characteristic
16 - The UDP-Lite Homepage:
21 - The UDP-Lite HOWTO on
22 …http://web.archive.org/web/%2E/http://www.erg.abdn.ac.uk/users/gerrit/udp-lite/files/UDP-Lite-HOWT…
24 - The Wireshark UDP-Lite WiKi (with capture files):
33 Several applications have been ported successfully to UDP-Lite. Ethereal
34 (now called wireshark) has UDP-Litev4/v6 support by default.
36 Porting applications to UDP-Lite is straightforward: only socket level and
43 UDP-Lite provides a connectionless, unreliable datagram service and hence
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Dbareudp.rst4 Bare UDP Tunnelling Module Documentation
7 There are various L3 encapsulation standards using UDP being discussed to
8 leverage the UDP based load balancing capability of different networks.
12 tunnelling different L3 protocols like MPLS, IP, NSH etc. inside a UDP tunnel.
31 0x8847 (MPLS traffic). The destination port of the UDP header will be set to
32 6635.The device will listen on UDP port 6635 to receive traffic.
Dvxlan.rst12 number of vendors. The protocol runs over UDP using a single
62 The following NIC features may indicate support for UDP tunnel-related
68 ability to perform TCP segmentation offload of UDP encapsulated frames
71 receive side parsing of UDP encapsulated frames which allows NICs to
80 UDP port table 0:
84 UDP port table 1:
Dl2tp.rst19 L2TPv3. L2TPv2 is carried over UDP. L2TPv3 is carried over UDP or
60 L2TPv2 always uses UDP. L2TPv3 may use UDP or IP encapsulation.
65 For example, for a tunnel using IPv4 addresses and UDP encapsulation::
73 UDP socket programming doesn't need to be covered here.
130 ENCAP_TYPE Y Encapsulation type: UDP or IP.
132 UDP_CSUM N Enable IPv4 UDP checksums. Used only if FD is
134 UDP_ZERO_CSUM6_TX N Zero IPv6 UDP checksum on transmit. Used only
136 UDP_ZERO_CSUM6_RX N Zero IPv6 UDP checksum on receive. Used only if
142 UDP_SPORT N UDP source port. Used only if FD is not set.
143 UDP_DPORT N UDP destination port. Used only if FD is not
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Dsegmentation-offloads.rst16 * UDP Fragmentation Offload - UFO
17 * IPIP, SIT, GRE, and UDP Tunnel Offloads
52 UDP Fragmentation Offload
55 UDP fragmentation offload allows a device to fragment an oversized UDP
56 datagram into multiple IPv4 fragments. Many of the requirements for UDP
61 still receive them from tuntap and similar devices. Offload of UDP-based
65 IPIP, SIT, GRE, UDP Tunnel, and Remote Checksum Offloads
89 UDP/GRE Tunnel::
Dnetconsole.rst22 This module logs kernel printk messages over UDP allowing debugging of
41 src-port source for UDP packets (defaults to 6665)
129 local_port Source UDP port to use (read-write)
130 remote_port Remote agent's UDP port (read-write)
239 only IP networks, UDP packets and ethernet devices are supported.
Dnf_conntrack-sysctl.rst87 - 17 - log UDP packets
172 This extended timeout will be used in case there is an UDP stream
202 UDP connections may be offloaded from nf conntrack to nf flow table.
Dnetdev-features.rst111 It means that device can fill TCP/UDP-like checksum anywhere in the packets
119 * Transmit UDP segmentation offload
121 NETIF_F_GSO_UDP_L4 accepts a single UDP header with a payload that exceeds
123 replicates the network and UDP headers (fixing up the last one if less than
/Linux-v6.1/Documentation/networking/device_drivers/ethernet/microsoft/
Dnetvsc.rst20 support checksum offload for TCP and UDP for both IPv4 and
25 Hyper-V supports receive side scaling. For TCP & UDP, packets can
29 For TCP & UDP, we can switch hash level between L3 and L4 by ethtool
30 command. TCP/UDP over IPv4 and v6 can be set differently. The default
34 On Azure, fragmented UDP packets have high loss rate with L4
37 For example, for UDP over IPv4 on eth0:
39 To include UDP port numbers in hashing::
43 To exclude UDP port numbers in hashing::
47 To show UDP hash level::
/Linux-v6.1/tools/testing/selftests/bpf/prog_tests/
Dcls_redirect.c170 UDP, enumerator
214 if (test->type == UDP) in test_str()
244 { UDP, ACCEPT, UNKNOWN_CONN, NO_HOPS, NONE },
245 { UDP, FORWARD, UNKNOWN_CONN, ONE_HOP, NONE },
246 { UDP, ACCEPT, KNOWN_CONN, ONE_HOP, NONE },
301 if (test->type == UDP) in build_input()
345 case UDP: in build_input()
387 &servers[UDP][i], &conns[UDP][i], in test_cls_redirect_common()
388 &tuples[UDP][i]))) in test_cls_redirect_common()
/Linux-v6.1/drivers/net/ethernet/intel/ice/
Dice_lan_tx_rx.h725 ICE_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP, PAY4),
734 ICE_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP, PAY4),
743 ICE_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP, PAY4),
755 ICE_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4),
764 ICE_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4),
776 ICE_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4),
785 ICE_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4),
797 ICE_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4),
806 ICE_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4),
815 ICE_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP, PAY4),
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/Linux-v6.1/drivers/net/ethernet/intel/iavf/
Diavf_common.c574 IAVF_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP, PAY4),
583 IAVF_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP, PAY4),
592 IAVF_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP, PAY4),
604 IAVF_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4),
613 IAVF_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4),
625 IAVF_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4),
634 IAVF_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4),
646 IAVF_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4),
655 IAVF_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4),
664 IAVF_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP, PAY3),
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Diavf_adv_rss.c67 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, UDP); in iavf_fill_adv_rss_udp_hdr()
70 VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, SRC_PORT); in iavf_fill_adv_rss_udp_hdr()
73 VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, DST_PORT); in iavf_fill_adv_rss_udp_hdr()
/Linux-v6.1/net/6lowpan/
DKconfig66 tristate "UDP Header Support"
69 6LoWPAN IPv6 UDP Header compression according to RFC6282.
78 tristate "GHC UDP Support"
80 6LoWPAN IPv6 UDP generic header compression according to RFC7400.
/Linux-v6.1/Documentation/networking/device_drivers/ethernet/freescale/
Dgianfar.rst15 the 8548) has the ability to perform TCP, UDP, and IP checksums
16 in hardware. The Linux kernel only offloads the TCP and UDP
18 the driver only supports checksumming for TCP/IP and UDP/IP
/Linux-v6.1/tools/testing/selftests/net/
Dcmsg_ipv6.sh53 [ $p == "u" ] && prot=UDP
77 [ $p == "u" ] && prot=UDP
114 [ $p == "u" ] && prot=UDP
Dcmsg_so_mark.sh51 [ $p == "u" ] && prot=UDP
/Linux-v6.1/Documentation/networking/device_drivers/ethernet/aquantia/
Datlantic.rst284 destination TCP/UDP/SCTP port) is compared against 8 filters. For IPv4, up to
287 TCP/UDP/SCTP packets.
355 RSS for UDP
359 incorrect working of RSS for fragmented UDP traffic. To disable RSS for UDP the
366 UDP GSO hardware offload
369 UDP GSO allows to boost UDP tx rates by offloading UDP headers allocation
375 Will cause sending out of 100 byte sized UDP packets formed from single
378 UDP GSO is configured by::
/Linux-v6.1/net/rxrpc/
DKconfig30 Say Y here to allow AF_RXRPC to use IPV6 UDP as well as IPV4 UDP as
/Linux-v6.1/net/sctp/
Dsocket.c236 if (!sctp_style(sk, UDP)) { in sctp_id2assoc()
1760 if ((sflags & SCTP_SENDALL) && sctp_style(sk, UDP) && in sctp_sendmsg_check_sflags()
1967 if ((sflags & SCTP_SENDALL) && sctp_style(sk, UDP)) { in sctp_sendmsg()
2650 sctp_style(sk, UDP)) in sctp_setsockopt_peer_addr_params()
2780 sctp_style(sk, UDP)) in __sctp_setsockopt_delayed_ack()
2905 sctp_style(sk, UDP)) in sctp_setsockopt_default_send_param()
2963 sctp_style(sk, UDP)) in sctp_setsockopt_default_sndinfo()
3079 sctp_style(sk, UDP)) in sctp_setsockopt_rtoinfo()
3141 sctp_style(sk, UDP)) in sctp_setsockopt_associnfo()
3264 sctp_style(sk, UDP)) in sctp_setsockopt_maxseg()
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/Linux-v6.1/net/tipc/
DKconfig32 bool "IP/UDP media type support"
36 Saying Y here will enable support for running TIPC over IP/UDP
/Linux-v6.1/Documentation/bpf/
Dprog_sk_lookup.rst14 Hooks for a common attach point (``BPF_SK_LOOKUP``) exist for both TCP and UDP.
47 find a listening (TCP) or an unconnected (UDP) socket for an incoming packet.
49 Incoming traffic to established (TCP) and connected (UDP) sockets is delivered
/Linux-v6.1/net/l2tp/
DKconfig78 L2TP frames, namely UDP and plain IP (without UDP). This
81 when UDP encapsulation is not required. When L2TP is carried
/Linux-v6.1/Documentation/networking/device_drivers/ethernet/intel/
Dixgb.rst168 offload for received packets (both UDP and TCP) to the adapter hardware.
270 ### CORE settings (mostly for socket and UDP effect)
293 Resolving Slow UDP Traffic
295 If your server does not seem to be able to receive UDP traffic as fast as it
297 the network stack buffers as large as they need to be to support high UDP
443 UDP Stress Test Dropped Packet Issue
445 Under small packets UDP stress test with 10GbE driver, the Linux system
446 may drop UDP packets due to the fullness of socket buffers. You may want
/Linux-v6.1/arch/powerpc/platforms/ps3/
DKconfig171 bool "PS3 udbg output via UDP broadcasts on Ethernet"
174 Enables udbg early debugging output by sending broadcast UDP
175 via the Ethernet port (UDP port number 18194).

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