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3f2189e4f7
linux/net
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Sebastian Andrzej Siewior 9a675ba55a net, bpf: Add a warning if NAPI cb missed xdp_do_flush(). 
A few drivers were missing a xdp_do_flush() invocation after
XDP_REDIRECT.

Add three helper functions each for one of the per-CPU lists. Return
true if the per-CPU list is non-empty and flush the list.

Add xdp_do_check_flushed() which invokes each helper functions and
creates a warning if one of the functions had a non-empty list.

Hide everything behind CONFIG_DEBUG_NET.

Suggested-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20231016125738.Yt79p1uF@linutronix.de
2023-10-17 15:02:03 +02:00
..
6lowpan
9p net: annotate data-races around sock->ops 2023-08-09 15:32:43 -07:00
802
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-08-18 12:44:56 -07:00
appletalk appletalk: remove special handling code for ipddp 2023-10-13 17:59:32 -07:00
atm sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
ax25 net: implement lockless SO_PRIORITY 2023-10-01 19:09:54 +01:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-08-24 10:51:39 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-05 13:16:47 -07:00
bpf bpf: Prevent inlining of bpf_fentry_test7() 2023-08-30 08:36:17 +02:00
bpfilter net: Use umd_cleanup_helper() 2023-05-31 13:06:57 +02:00
bridge net: Handle bulk delete policy in bridge driver 2023-10-13 10:00:30 +01:00
caif sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-12 17:07:34 -07:00
ceph ceph: Annotate struct ceph_monmap with __counted_by 2023-09-18 10:39:29 +01:00
core net, bpf: Add a warning if NAPI cb missed xdp_do_flush(). 2023-10-17 15:02:03 +02:00
dcb net: dcb: choose correct policy to parse DCB_ATTR_BCN 2023-08-01 21:07:46 -07:00
dccp tcp: record last received ipv6 flowlabel 2023-10-10 10:02:59 +02:00
devlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-12 17:07:34 -07:00
dns_resolver
dsa net: dsa: remove dsa_port_phylink_validate() 2023-10-11 10:06:05 +01:00
ethernet
ethtool ethtool: Fix mod state of verbose no_mask bitset 2023-10-10 19:48:15 -07:00
handshake handshake: Fix sign of key_serial_t fields 2023-10-02 12:34:21 -07:00
hsr net: hsr: Add __packed to struct hsr_sup_tlv. 2023-09-18 08:26:19 +01:00
ieee802154 sysctl-6.6-rc1 2023-08-29 17:39:15 -07:00
ife
ipv4 bpf-next-for-netdev 2023-10-16 21:05:33 -07:00
ipv6 bpf-next-for-netdev 2023-10-16 21:05:33 -07:00
iucv
kcm kcm: Fix error handling for SOCK_DGRAM in kcm_sendmsg(). 2023-09-14 10:43:51 +02:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-08-18 12:44:56 -07:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-05 13:16:47 -07:00
l3mdev
lapb
llc net/llc/llc_conn.c: fix 4 instances of -Wmissing-variable-declarations 2023-08-09 15:34:28 -07:00
mac80211 Merge wireless into wireless-next 2023-10-06 17:08:47 +03:00
mac802154 Core WPAN changes: 2023-06-24 15:41:46 -07:00
mctp mctp: perform route lookups under a RCU read-side lock 2023-10-10 19:43:22 -07:00
mpls networking: Update to register_net_sysctl_sz 2023-08-15 15:26:18 -07:00
mptcp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-05 13:16:47 -07:00
ncsi ncsi: Propagate carrier gain/loss events to the NCSI controller 2023-09-18 07:06:05 +01:00
netfilter netfilter: conntrack: prefer tcp_error_log to pr_debug 2023-10-10 16:34:28 +02:00
netlabel netlabel: Remove unused declaration netlbl_cipsov4_doi_free() 2023-08-02 12:28:22 -07:00
netlink netlink: Annotate struct netlink_policy_dump_state with __counted_by 2023-10-06 10:48:46 +01:00
netrom net: implement lockless SO_PRIORITY 2023-10-01 19:09:54 +01:00
nfc nfc: nci: assert requested protocol is valid 2023-10-12 09:32:10 +02:00
nsh net: move gso declarations and functions to their own files 2023-06-10 00:11:41 -07:00
openvswitch net: openvswitch: Annotate struct dp_meter with __counted_by 2023-10-02 11:24:55 -07:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-12 17:07:34 -07:00
phonet sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
psample
qrtr net: qrtr: Handle IPCR control port format of older targets 2023-07-17 09:02:30 +01:00
rds net: prevent address rewrite in kernel_bind() 2023-10-01 19:31:29 +01:00
rfkill rfkill: sync before userspace visibility/changes 2023-09-18 09:36:57 +02:00
rose net: implement lockless SO_PRIORITY 2023-10-01 19:09:54 +01:00
rxrpc Networking changes for 6.5. 2023-06-28 16:43:10 -07:00
sched net, sched: Add tcf_set_drop_reason for {__,}tcf_classify 2023-10-16 10:07:37 -07:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-05 13:16:47 -07:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-12 17:07:34 -07:00
strparser
sunrpc SUNRPC/TLS: Lock the lower_xprt during the tls handshake 2023-09-27 15:16:40 -04:00
switchdev net: switchdev: Add a helper to replay objects on a bridge port 2023-07-21 08:54:03 +01:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-05 13:16:47 -07:00
tls tls: use fixed size for tls_offload_context_{tx,rx}.driver_state 2023-10-13 11:26:10 +01:00
unix bpf: Implement cgroup sockaddr hooks for unix sockets 2023-10-11 17:27:47 -07:00
vmw_vsock vsock: enable setting SO_ZEROCOPY 2023-10-15 13:19:42 +01:00
wireless Merge wireless into wireless-next 2023-10-06 17:08:47 +03:00
x25 net: implement lockless SO_PRIORITY 2023-10-01 19:09:54 +01:00
xdp net, bpf: Add a warning if NAPI cb missed xdp_do_flush(). 2023-10-17 15:02:03 +02:00
xfrm net: dst: remove unnecessary input parameter in dst_alloc and dst_init 2023-09-12 11:42:25 +02:00
compat.c
devres.c
Kconfig net: add skb_segment kunit test 2023-10-11 10:39:01 +01:00
Kconfig.debug
Makefile
socket.c net: prevent address rewrite in kernel_bind() 2023-10-01 19:31:29 +01:00
sysctl_net.c sysctl: Add size to register_net_sysctl function 2023-08-15 15:26:17 -07:00