diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-29 11:57:23 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-29 11:57:23 -0700 |
commit | 9d31d2338950293ec19d9b095fbaa9030899dcb4 (patch) | |
tree | e688040d0557c24a2eeb9f6c9c223d949f6f7ef9 /include/trace | |
parent | 635de956a7f5a6ffcb04f29d70630c64c717b56b (diff) | |
parent | 4a52dd8fefb45626dace70a63c0738dbd83b7edb (diff) | |
download | linux-9d31d2338950293ec19d9b095fbaa9030899dcb4.tar.bz2 |
Merge tag 'net-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core:
- bpf:
- allow bpf programs calling kernel functions (initially to
reuse TCP congestion control implementations)
- enable task local storage for tracing programs - remove the
need to store per-task state in hash maps, and allow tracing
programs access to task local storage previously added for
BPF_LSM
- add bpf_for_each_map_elem() helper, allowing programs to walk
all map elements in a more robust and easier to verify fashion
- sockmap: support UDP and cross-protocol BPF_SK_SKB_VERDICT
redirection
- lpm: add support for batched ops in LPM trie
- add BTF_KIND_FLOAT support - mostly to allow use of BTF on
s390 which has floats in its headers files
- improve BPF syscall documentation and extend the use of kdoc
parsing scripts we already employ for bpf-helpers
- libbpf, bpftool: support static linking of BPF ELF files
- improve support for encapsulation of L2 packets
- xdp: restructure redirect actions to avoid a runtime lookup,
improving performance by 4-8% in microbenchmarks
- xsk: build skb by page (aka generic zerocopy xmit) - improve
performance of software AF_XDP path by 33% for devices which don't
need headers in the linear skb part (e.g. virtio)
- nexthop: resilient next-hop groups - improve path stability on
next-hops group changes (incl. offload for mlxsw)
- ipv6: segment routing: add support for IPv4 decapsulation
- icmp: add support for RFC 8335 extended PROBE messages
- inet: use bigger hash table for IP ID generation
- tcp: deal better with delayed TX completions - make sure we don't
give up on fast TCP retransmissions only because driver is slow in
reporting that it completed transmitting the original
- tcp: reorder tcp_congestion_ops for better cache locality
- mptcp:
- add sockopt support for common TCP options
- add support for common TCP msg flags
- include multiple address ids in RM_ADDR
- add reset option support for resetting one subflow
- udp: GRO L4 improvements - improve 'forward' / 'frag_list'
co-existence with UDP tunnel GRO, allowing the first to take place
correctly even for encapsulated UDP traffic
- micro-optimize dev_gro_receive() and flow dissection, avoid
retpoline overhead on VLAN and TEB GRO
- use less memory for sysctls, add a new sysctl type, to allow using
u8 instead of "int" and "long" and shrink networking sysctls
- veth: allow GRO without XDP - this allows aggregating UDP packets
before handing them off to routing, bridge, OvS, etc.
- allow specifing ifindex when device is moved to another namespace
- netfilter:
- nft_socket: add support for cgroupsv2
- nftables: add catch-all set element - special element used to
define a default action in case normal lookup missed
- use net_generic infra in many modules to avoid allocating
per-ns memory unnecessarily
- xps: improve the xps handling to avoid potential out-of-bound
accesses and use-after-free when XPS change race with other
re-configuration under traffic
- add a config knob to turn off per-cpu netdev refcnt to catch
underflows in testing
Device APIs:
- add WWAN subsystem to organize the WWAN interfaces better and
hopefully start driving towards more unified and vendor-
independent APIs
- ethtool:
- add interface for reading IEEE MIB stats (incl. mlx5 and bnxt
support)
- allow network drivers to dump arbitrary SFP EEPROM data,
current offset+length API was a poor fit for modern SFP which
define EEPROM in terms of pages (incl. mlx5 support)
- act_police, flow_offload: add support for packet-per-second
policing (incl. offload for nfp)
- psample: add additional metadata attributes like transit delay for
packets sampled from switch HW (and corresponding egress and
policy-based sampling in the mlxsw driver)
- dsa: improve support for sandwiched LAGs with bridge and DSA
- netfilter:
- flowtable: use direct xmit in topologies with IP forwarding,
bridging, vlans etc.
- nftables: counter hardware offload support
- Bluetooth:
- improvements for firmware download w/ Intel devices
- add support for reading AOSP vendor capabilities
- add support for virtio transport driver
- mac80211:
- allow concurrent monitor iface and ethernet rx decap
- set priority and queue mapping for injected frames
- phy: add support for Clause-45 PHY Loopback
- pci/iov: add sysfs MSI-X vector assignment interface to distribute
MSI-X resources to VFs (incl. mlx5 support)
New hardware/drivers:
- dsa: mv88e6xxx: add support for Marvell mv88e6393x - 11-port
Ethernet switch with 8x 1-Gigabit Ethernet and 3x 10-Gigabit
interfaces.
- dsa: support for legacy Broadcom tags used on BCM5325, BCM5365 and
BCM63xx switches
- Microchip KSZ8863 and KSZ8873; 3x 10/100Mbps Ethernet switches
- ath11k: support for QCN9074 a 802.11ax device
- Bluetooth: Broadcom BCM4330 and BMC4334
- phy: Marvell 88X2222 transceiver support
- mdio: add BCM6368 MDIO mux bus controller
- r8152: support RTL8153 and RTL8156 (USB Ethernet) chips
- mana: driver for Microsoft Azure Network Adapter (MANA)
- Actions Semi Owl Ethernet MAC
- can: driver for ETAS ES58X CAN/USB interfaces
Pure driver changes:
- add XDP support to: enetc, igc, stmmac
- add AF_XDP support to: stmmac
- virtio:
- page_to_skb() use build_skb when there's sufficient tailroom
(21% improvement for 1000B UDP frames)
- support XDP even without dedicated Tx queues - share the Tx
queues with the stack when necessary
- mlx5:
- flow rules: add support for mirroring with conntrack, matching
on ICMP, GTP, flex filters and more
- support packet sampling with flow offloads
- persist uplink representor netdev across eswitch mode changes
- allow coexistence of CQE compression and HW time-stamping
- add ethtool extended link error state reporting
- ice, iavf: support flow filters, UDP Segmentation Offload
- dpaa2-switch:
- move the driver out of staging
- add spanning tree (STP) support
- add rx copybreak support
- add tc flower hardware offload on ingress traffic
- ionic:
- implement Rx page reuse
- support HW PTP time-stamping
- octeon: support TC hardware offloads - flower matching on ingress
and egress ratelimitting.
- stmmac:
- add RX frame steering based on VLAN priority in tc flower
- support frame preemption (FPE)
- intel: add cross time-stamping freq difference adjustment
- ocelot:
- support forwarding of MRP frames in HW
- support multiple bridges
- support PTP Sync one-step timestamping
- dsa: mv88e6xxx, dpaa2-switch: offload bridge port flags like
learning, flooding etc.
- ipa: add IPA v4.5, v4.9 and v4.11 support (Qualcomm SDX55, SM8350,
SC7280 SoCs)
- mt7601u: enable TDLS support
- mt76:
- add support for 802.3 rx frames (mt7915/mt7615)
- mt7915 flash pre-calibration support
- mt7921/mt7663 runtime power management fixes"
* tag 'net-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2451 commits)
net: selftest: fix build issue if INET is disabled
net: netrom: nr_in: Remove redundant assignment to ns
net: tun: Remove redundant assignment to ret
net: phy: marvell: add downshift support for M88E1240
net: dsa: ksz: Make reg_mib_cnt a u8 as it never exceeds 255
net/sched: act_ct: Remove redundant ct get and check
icmp: standardize naming of RFC 8335 PROBE constants
bpf, selftests: Update array map tests for per-cpu batched ops
bpf: Add batched ops support for percpu array
bpf: Implement formatted output helpers with bstr_printf
seq_file: Add a seq_bprintf function
sfc: adjust efx->xdp_tx_queue_count with the real number of initialized queues
net:nfc:digital: Fix a double free in digital_tg_recv_dep_req
net: fix a concurrency bug in l2tp_tunnel_register()
net/smc: Remove redundant assignment to rc
mpls: Remove redundant assignment to err
llc2: Remove redundant assignment to rc
net/tls: Remove redundant initialization of record
rds: Remove redundant assignment to nr_sig
dt-bindings: net: mdio-gpio: add compatible for microchip,mdio-smi0
...
Diffstat (limited to 'include/trace')
-rw-r--r-- | include/trace/events/mptcp.h | 173 | ||||
-rw-r--r-- | include/trace/events/xdp.h | 62 |
2 files changed, 208 insertions, 27 deletions
diff --git a/include/trace/events/mptcp.h b/include/trace/events/mptcp.h new file mode 100644 index 000000000000..775a46d0b0f0 --- /dev/null +++ b/include/trace/events/mptcp.h @@ -0,0 +1,173 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM mptcp + +#if !defined(_TRACE_MPTCP_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_MPTCP_H + +#include <linux/tracepoint.h> + +#define show_mapping_status(status) \ + __print_symbolic(status, \ + { 0, "MAPPING_OK" }, \ + { 1, "MAPPING_INVALID" }, \ + { 2, "MAPPING_EMPTY" }, \ + { 3, "MAPPING_DATA_FIN" }, \ + { 4, "MAPPING_DUMMY" }) + +TRACE_EVENT(mptcp_subflow_get_send, + + TP_PROTO(struct mptcp_subflow_context *subflow), + + TP_ARGS(subflow), + + TP_STRUCT__entry( + __field(bool, active) + __field(bool, free) + __field(u32, snd_wnd) + __field(u32, pace) + __field(u8, backup) + __field(u64, ratio) + ), + + TP_fast_assign( + struct sock *ssk; + + __entry->active = mptcp_subflow_active(subflow); + __entry->backup = subflow->backup; + + if (subflow->tcp_sock && sk_fullsock(subflow->tcp_sock)) + __entry->free = sk_stream_memory_free(subflow->tcp_sock); + else + __entry->free = 0; + + ssk = mptcp_subflow_tcp_sock(subflow); + if (ssk && sk_fullsock(ssk)) { + __entry->snd_wnd = tcp_sk(ssk)->snd_wnd; + __entry->pace = ssk->sk_pacing_rate; + } else { + __entry->snd_wnd = 0; + __entry->pace = 0; + } + + if (ssk && sk_fullsock(ssk) && __entry->pace) + __entry->ratio = div_u64((u64)ssk->sk_wmem_queued << 32, __entry->pace); + else + __entry->ratio = 0; + ), + + TP_printk("active=%d free=%d snd_wnd=%u pace=%u backup=%u ratio=%llu", + __entry->active, __entry->free, + __entry->snd_wnd, __entry->pace, + __entry->backup, __entry->ratio) +); + +DECLARE_EVENT_CLASS(mptcp_dump_mpext, + + TP_PROTO(struct mptcp_ext *mpext), + + TP_ARGS(mpext), + + TP_STRUCT__entry( + __field(u64, data_ack) + __field(u64, data_seq) + __field(u32, subflow_seq) + __field(u16, data_len) + __field(u8, use_map) + __field(u8, dsn64) + __field(u8, data_fin) + __field(u8, use_ack) + __field(u8, ack64) + __field(u8, mpc_map) + __field(u8, frozen) + __field(u8, reset_transient) + __field(u8, reset_reason) + ), + + TP_fast_assign( + __entry->data_ack = mpext->ack64 ? mpext->data_ack : mpext->data_ack32; + __entry->data_seq = mpext->data_seq; + __entry->subflow_seq = mpext->subflow_seq; + __entry->data_len = mpext->data_len; + __entry->use_map = mpext->use_map; + __entry->dsn64 = mpext->dsn64; + __entry->data_fin = mpext->data_fin; + __entry->use_ack = mpext->use_ack; + __entry->ack64 = mpext->ack64; + __entry->mpc_map = mpext->mpc_map; + __entry->frozen = mpext->frozen; + __entry->reset_transient = mpext->reset_transient; + __entry->reset_reason = mpext->reset_reason; + ), + + TP_printk("data_ack=%llu data_seq=%llu subflow_seq=%u data_len=%u use_map=%u dsn64=%u data_fin=%u use_ack=%u ack64=%u mpc_map=%u frozen=%u reset_transient=%u reset_reason=%u", + __entry->data_ack, __entry->data_seq, + __entry->subflow_seq, __entry->data_len, + __entry->use_map, __entry->dsn64, + __entry->data_fin, __entry->use_ack, + __entry->ack64, __entry->mpc_map, + __entry->frozen, __entry->reset_transient, + __entry->reset_reason) +); + +DEFINE_EVENT(mptcp_dump_mpext, get_mapping_status, + TP_PROTO(struct mptcp_ext *mpext), + TP_ARGS(mpext)); + +TRACE_EVENT(ack_update_msk, + + TP_PROTO(u64 data_ack, u64 old_snd_una, + u64 new_snd_una, u64 new_wnd_end, + u64 msk_wnd_end), + + TP_ARGS(data_ack, old_snd_una, + new_snd_una, new_wnd_end, + msk_wnd_end), + + TP_STRUCT__entry( + __field(u64, data_ack) + __field(u64, old_snd_una) + __field(u64, new_snd_una) + __field(u64, new_wnd_end) + __field(u64, msk_wnd_end) + ), + + TP_fast_assign( + __entry->data_ack = data_ack; + __entry->old_snd_una = old_snd_una; + __entry->new_snd_una = new_snd_una; + __entry->new_wnd_end = new_wnd_end; + __entry->msk_wnd_end = msk_wnd_end; + ), + + TP_printk("data_ack=%llu old_snd_una=%llu new_snd_una=%llu new_wnd_end=%llu msk_wnd_end=%llu", + __entry->data_ack, __entry->old_snd_una, + __entry->new_snd_una, __entry->new_wnd_end, + __entry->msk_wnd_end) +); + +TRACE_EVENT(subflow_check_data_avail, + + TP_PROTO(__u8 status, struct sk_buff *skb), + + TP_ARGS(status, skb), + + TP_STRUCT__entry( + __field(u8, status) + __field(const void *, skb) + ), + + TP_fast_assign( + __entry->status = status; + __entry->skb = skb; + ), + + TP_printk("mapping_status=%s, skb=%p", + show_mapping_status(__entry->status), + __entry->skb) +); + +#endif /* _TRACE_MPTCP_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> diff --git a/include/trace/events/xdp.h b/include/trace/events/xdp.h index 76a97176ab81..fcad3645a70b 100644 --- a/include/trace/events/xdp.h +++ b/include/trace/events/xdp.h @@ -86,19 +86,15 @@ struct _bpf_dtab_netdev { }; #endif /* __DEVMAP_OBJ_TYPE */ -#define devmap_ifindex(tgt, map) \ - (((map->map_type == BPF_MAP_TYPE_DEVMAP || \ - map->map_type == BPF_MAP_TYPE_DEVMAP_HASH)) ? \ - ((struct _bpf_dtab_netdev *)tgt)->dev->ifindex : 0) - DECLARE_EVENT_CLASS(xdp_redirect_template, TP_PROTO(const struct net_device *dev, const struct bpf_prog *xdp, const void *tgt, int err, - const struct bpf_map *map, u32 index), + enum bpf_map_type map_type, + u32 map_id, u32 index), - TP_ARGS(dev, xdp, tgt, err, map, index), + TP_ARGS(dev, xdp, tgt, err, map_type, map_id, index), TP_STRUCT__entry( __field(int, prog_id) @@ -111,14 +107,22 @@ DECLARE_EVENT_CLASS(xdp_redirect_template, ), TP_fast_assign( + u32 ifindex = 0, map_index = index; + + if (map_type == BPF_MAP_TYPE_DEVMAP || map_type == BPF_MAP_TYPE_DEVMAP_HASH) { + ifindex = ((struct _bpf_dtab_netdev *)tgt)->dev->ifindex; + } else if (map_type == BPF_MAP_TYPE_UNSPEC && map_id == INT_MAX) { + ifindex = index; + map_index = 0; + } + __entry->prog_id = xdp->aux->id; __entry->act = XDP_REDIRECT; __entry->ifindex = dev->ifindex; __entry->err = err; - __entry->to_ifindex = map ? devmap_ifindex(tgt, map) : - index; - __entry->map_id = map ? map->id : 0; - __entry->map_index = map ? index : 0; + __entry->to_ifindex = ifindex; + __entry->map_id = map_id; + __entry->map_index = map_index; ), TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d" @@ -133,45 +137,49 @@ DEFINE_EVENT(xdp_redirect_template, xdp_redirect, TP_PROTO(const struct net_device *dev, const struct bpf_prog *xdp, const void *tgt, int err, - const struct bpf_map *map, u32 index), - TP_ARGS(dev, xdp, tgt, err, map, index) + enum bpf_map_type map_type, + u32 map_id, u32 index), + TP_ARGS(dev, xdp, tgt, err, map_type, map_id, index) ); DEFINE_EVENT(xdp_redirect_template, xdp_redirect_err, TP_PROTO(const struct net_device *dev, const struct bpf_prog *xdp, const void *tgt, int err, - const struct bpf_map *map, u32 index), - TP_ARGS(dev, xdp, tgt, err, map, index) + enum bpf_map_type map_type, + u32 map_id, u32 index), + TP_ARGS(dev, xdp, tgt, err, map_type, map_id, index) ); -#define _trace_xdp_redirect(dev, xdp, to) \ - trace_xdp_redirect(dev, xdp, NULL, 0, NULL, to) +#define _trace_xdp_redirect(dev, xdp, to) \ + trace_xdp_redirect(dev, xdp, NULL, 0, BPF_MAP_TYPE_UNSPEC, INT_MAX, to) -#define _trace_xdp_redirect_err(dev, xdp, to, err) \ - trace_xdp_redirect_err(dev, xdp, NULL, err, NULL, to) +#define _trace_xdp_redirect_err(dev, xdp, to, err) \ + trace_xdp_redirect_err(dev, xdp, NULL, err, BPF_MAP_TYPE_UNSPEC, INT_MAX, to) -#define _trace_xdp_redirect_map(dev, xdp, to, map, index) \ - trace_xdp_redirect(dev, xdp, to, 0, map, index) +#define _trace_xdp_redirect_map(dev, xdp, to, map_type, map_id, index) \ + trace_xdp_redirect(dev, xdp, to, 0, map_type, map_id, index) -#define _trace_xdp_redirect_map_err(dev, xdp, to, map, index, err) \ - trace_xdp_redirect_err(dev, xdp, to, err, map, index) +#define _trace_xdp_redirect_map_err(dev, xdp, to, map_type, map_id, index, err) \ + trace_xdp_redirect_err(dev, xdp, to, err, map_type, map_id, index) /* not used anymore, but kept around so as not to break old programs */ DEFINE_EVENT(xdp_redirect_template, xdp_redirect_map, TP_PROTO(const struct net_device *dev, const struct bpf_prog *xdp, const void *tgt, int err, - const struct bpf_map *map, u32 index), - TP_ARGS(dev, xdp, tgt, err, map, index) + enum bpf_map_type map_type, + u32 map_id, u32 index), + TP_ARGS(dev, xdp, tgt, err, map_type, map_id, index) ); DEFINE_EVENT(xdp_redirect_template, xdp_redirect_map_err, TP_PROTO(const struct net_device *dev, const struct bpf_prog *xdp, const void *tgt, int err, - const struct bpf_map *map, u32 index), - TP_ARGS(dev, xdp, tgt, err, map, index) + enum bpf_map_type map_type, + u32 map_id, u32 index), + TP_ARGS(dev, xdp, tgt, err, map_type, map_id, index) ); TRACE_EVENT(xdp_cpumap_kthread, |