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authorLinus Torvalds <torvalds@linux-foundation.org>2019-11-25 20:02:57 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-11-25 20:02:57 -0800
commit386403a115f95997c2715691226e11a7b5cffcfd (patch)
treea685df70bd3d5b295683713818ddf0752c3d75b6 /Documentation/networking/devlink-trap.rst
parent642356cb5f4a8c82b5ca5ebac288c327d10df236 (diff)
parent622dc5ad8052f4f0c6b7a12787696a5caa3c6a58 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller: "Another merge window, another pull full of stuff: 1) Support alternative names for network devices, from Jiri Pirko. 2) Introduce per-netns netdev notifiers, also from Jiri Pirko. 3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara Larsen. 4) Allow compiling out the TLS TOE code, from Jakub Kicinski. 5) Add several new tracepoints to the kTLS code, also from Jakub. 6) Support set channels ethtool callback in ena driver, from Sameeh Jubran. 7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED, SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long. 8) Add XDP support to mvneta driver, from Lorenzo Bianconi. 9) Lots of netfilter hw offload fixes, cleanups and enhancements, from Pablo Neira Ayuso. 10) PTP support for aquantia chips, from Egor Pomozov. 11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From Josh Hunt. 12) Add smart nagle to tipc, from Jon Maloy. 13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat Duvvuru. 14) Add a flow mask cache to OVS, from Tonghao Zhang. 15) Add XDP support to ice driver, from Maciej Fijalkowski. 16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak. 17) Support UDP GSO offload in atlantic driver, from Igor Russkikh. 18) Support it in stmmac driver too, from Jose Abreu. 19) Support TIPC encryption and auth, from Tuong Lien. 20) Introduce BPF trampolines, from Alexei Starovoitov. 21) Make page_pool API more numa friendly, from Saeed Mahameed. 22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni. 23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits) libbpf: Fix usage of u32 in userspace code mm: Implement no-MMU variant of vmalloc_user_node_flags slip: Fix use-after-free Read in slip_open net: dsa: sja1105: fix sja1105_parse_rgmii_delays() macvlan: schedule bc_work even if error enetc: add support Credit Based Shaper(CBS) for hardware offload net: phy: add helpers phy_(un)lock_mdio_bus mdio_bus: don't use managed reset-controller ax88179_178a: add ethtool_op_get_ts_info() mlxsw: spectrum_router: Fix use of uninitialized adjacency index mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels bpf: Simplify __bpf_arch_text_poke poke type handling bpf: Introduce BPF_TRACE_x helper for the tracing tests bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT bpf, testing: Add various tail call test cases bpf, x86: Emit patchable direct jump as tail call bpf: Constant map key tracking for prog array pokes bpf: Add poke dependency tracking for prog array maps bpf: Add initial poke descriptor table for jit images bpf: Move owner type, jited info into array auxiliary data ...
Diffstat (limited to 'Documentation/networking/devlink-trap.rst')
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diff --git a/Documentation/networking/devlink-trap.rst b/Documentation/networking/devlink-trap.rst
index 8e90a85f3bd5..dc9659ca06fa 100644
--- a/Documentation/networking/devlink-trap.rst
+++ b/Documentation/networking/devlink-trap.rst
@@ -162,6 +162,67 @@ be added to the following table:
- ``drop``
- Traps packets that the device decided to drop because they could not be
enqueued to a transmission queue which is full
+ * - ``non_ip``
+ - ``drop``
+ - Traps packets that the device decided to drop because they need to
+ undergo a layer 3 lookup, but are not IP or MPLS packets
+ * - ``uc_dip_over_mc_dmac``
+ - ``drop``
+ - Traps packets that the device decided to drop because they need to be
+ routed and they have a unicast destination IP and a multicast destination
+ MAC
+ * - ``dip_is_loopback_address``
+ - ``drop``
+ - Traps packets that the device decided to drop because they need to be
+ routed and their destination IP is the loopback address (i.e., 127.0.0.0/8
+ and ::1/128)
+ * - ``sip_is_mc``
+ - ``drop``
+ - Traps packets that the device decided to drop because they need to be
+ routed and their source IP is multicast (i.e., 224.0.0.0/8 and ff::/8)
+ * - ``sip_is_loopback_address``
+ - ``drop``
+ - Traps packets that the device decided to drop because they need to be
+ routed and their source IP is the loopback address (i.e., 127.0.0.0/8 and ::1/128)
+ * - ``ip_header_corrupted``
+ - ``drop``
+ - Traps packets that the device decided to drop because they need to be
+ routed and their IP header is corrupted: wrong checksum, wrong IP version
+ or too short Internet Header Length (IHL)
+ * - ``ipv4_sip_is_limited_bc``
+ - ``drop``
+ - Traps packets that the device decided to drop because they need to be
+ routed and their source IP is limited broadcast (i.e., 255.255.255.255/32)
+ * - ``ipv6_mc_dip_reserved_scope``
+ - ``drop``
+ - Traps IPv6 packets that the device decided to drop because they need to
+ be routed and their IPv6 multicast destination IP has a reserved scope
+ (i.e., ffx0::/16)
+ * - ``ipv6_mc_dip_interface_local_scope``
+ - ``drop``
+ - Traps IPv6 packets that the device decided to drop because they need to
+ be routed and their IPv6 multicast destination IP has an interface-local scope
+ (i.e., ffx1::/16)
+ * - ``mtu_value_is_too_small``
+ - ``exception``
+ - Traps packets that should have been routed by the device, but were bigger
+ than the MTU of the egress interface
+ * - ``unresolved_neigh``
+ - ``exception``
+ - Traps packets that did not have a matching IP neighbour after routing
+ * - ``mc_reverse_path_forwarding``
+ - ``exception``
+ - Traps multicast IP packets that failed reverse-path forwarding (RPF)
+ check during multicast routing
+ * - ``reject_route``
+ - ``exception``
+ - Traps packets that hit reject routes (i.e., "unreachable", "prohibit")
+ * - ``ipv4_lpm_miss``
+ - ``exception``
+ - Traps unicast IPv4 packets that did not match any route
+ * - ``ipv6_lpm_miss``
+ - ``exception``
+ - Traps unicast IPv6 packets that did not match any route
Driver-specific Packet Traps
============================