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bdf366bd86
linux/net
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Vladimir Oltean bdf366bd86 net/sched: taprio: don't allow dynamic max_sdu to go negative after stab adjustment 
The overhead specified in the size table comes from the user. With small
time intervals (or gates always closed), the overhead can be larger than
the max interval for that traffic class, and their difference is
negative.

What we want to happen is for max_sdu_dynamic to have the smallest
non-zero value possible (1) which means that all packets on that traffic
class are dropped on enqueue. However, since max_sdu_dynamic is u32, a
negative is represented as a large value and oversized dropping never
happens.

Use max_t with int to force a truncation of max_frm_len to no smaller
than dev->hard_header_len + 1, which in turn makes max_sdu_dynamic no
smaller than 1.

Fixes: fed87cc671 ("net/sched: taprio: automatically calculate queueMaxSDU based on TC gate durations")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-02-20 08:46:57 +01:00
..
6lowpan net: 6lowpan: constify lowpan_nhc structures 2022-06-09 21:53:28 +02:00
9p xen: branch for v6.2-rc4 2023-01-12 17:02:20 -06:00
802 treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
8021q net: Remove the obsolte u64_stats_fetch_*_irq() users (net). 2022-10-28 20:13:54 -07:00
appletalk net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
atm driver core: make struct class.dev_uevent() take a const * 2022-11-24 17:12:15 +01:00
ax25 ax25: af_ax25: Remove unnecessary (void*) conversions 2022-11-16 13:31:03 +00:00
batman-adv batman-adv: tvlv: prepare for tvlv enabled multicast packet type 2023-01-21 19:01:59 +01:00
bluetooth Bluetooth: Make sure LE create conn cancel is sent when timeout 2023-02-09 14:19:45 -08:00
bpf bpf-next-for-netdev 2023-02-10 17:51:27 -08:00
bpfilter uaccess: remove CONFIG_SET_FS 2022-02-25 09:36:06 +01:00
bridge net: bridge: make kobj_type structure constant 2023-02-14 20:48:08 -08:00
caif Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2023-02-17 11:06:39 +00:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-09 12:25:40 -08:00
ceph net/sock: Introduce trace_sk_data_ready() 2023-01-23 11:26:50 +00:00
core Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2023-02-17 11:06:39 +00:00
dcb net: dcb: add helper functions to retrieve PCP and DSCP rewrite maps 2023-01-20 09:33:22 +00:00
dccp dccp/tcp: Avoid negative sk_forward_alloc by ipv6_pinfo.pktoptions. 2023-02-10 19:53:42 -08:00
devlink Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2023-02-17 11:06:39 +00:00
dns_resolver cred: Do not default to init_cred in prepare_kernel_cred() 2022-11-01 10:04:52 -07:00
dsa net: dsa: use NL_SET_ERR_MSG_WEAK_MOD() more consistently 2023-02-03 19:23:32 -08:00
ethernet net: ethernet: use sysfs_emit() to instead of scnprintf() 2022-12-07 20:02:44 -08:00
ethtool net: ethtool: extend ringparam set/get APIs for rx_push 2023-02-13 11:05:12 +00:00
hsr hsr: Use a single struct for self_node. 2022-12-01 20:26:22 -08:00
ieee802154 Merge tag 'ieee802154-for-net-next-2022-12-05' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan-next 2022-12-07 17:33:26 -08:00
ife
ipv4 net: no longer support SOCK_REFCNT_DEBUG feature 2023-02-15 10:25:21 +00:00
ipv6 Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2023-02-17 11:06:39 +00:00
iucv net: keep sk->sk_forward_alloc as small as possible 2022-06-10 16:21:27 -07:00
kcm net/sock: Introduce trace_sk_data_ready() 2023-01-23 11:26:50 +00:00
key af_key: Fix heap information leak 2023-02-13 09:30:14 +00:00
l2tp l2tp: prevent lockdep issue in l2tp_tunnel_register() 2023-01-18 14:44:54 +00:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
lapb
llc net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
mac80211 wifi: mac80211: add documentation for amsdu_mesh_control 2023-02-15 18:31:16 +01:00
mac802154 mac802154: Fix possible double free upon parsing error 2022-12-19 11:38:12 +01:00
mctp net: mctp: purge receive queues on sk destruction 2023-01-28 00:26:09 -08:00
mpls net: mpls: fix stale pointer if allocation fails during device rename 2023-02-15 10:26:37 +00:00
mptcp net: no longer support SOCK_REFCNT_DEBUG feature 2023-02-15 10:25:21 +00:00
ncsi net/ncsi: Silence runtime memcpy() false positive warning 2022-12-06 17:29:14 -08:00
netfilter bpf-next-for-netdev 2023-02-10 17:51:27 -08:00
netlabel genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlink genetlink: Use string_is_terminated() helper 2023-02-09 22:30:24 -08:00
netrom netrom: Fix use-after-free caused by accept on already connected socket 2023-01-30 07:30:47 +00:00
nfc net: nfc: Fix use-after-free in local_cleanup() 2023-01-13 20:53:44 -08:00
nsh
openvswitch Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2023-02-17 11:06:39 +00:00
packet net: no longer support SOCK_REFCNT_DEBUG feature 2023-02-15 10:25:21 +00:00
phonet net/sock: Introduce trace_sk_data_ready() 2023-01-23 11:26:50 +00:00
psample genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
qrtr Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-02 14:49:55 -08:00
rds rds: rds_rm_zerocopy_callback() correct order for list_add_tail() 2023-02-13 09:33:39 +00:00
rfkill rfkill: Use sysfs_emit() to instead of sprintf() 2023-02-14 12:21:14 +01:00
rose net/rose: Fix to not accept on connected socket 2023-01-28 00:19:57 -08:00
rxrpc rxrpc: Fix overproduction of wakeups to recvmsg() 2023-02-20 08:33:25 +01:00
sched net/sched: taprio: don't allow dynamic max_sdu to go negative after stab adjustment 2023-02-20 08:46:57 +01:00
sctp Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2023-02-17 11:06:39 +00:00
smc net: no longer support SOCK_REFCNT_DEBUG feature 2023-02-15 10:25:21 +00:00
strparser strparser: pad sk_skb_cb to avoid straddling cachelines 2022-07-08 18:38:44 -07:00
sunrpc net/sock: Introduce trace_sk_data_ready() 2023-01-23 11:26:50 +00:00
switchdev net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
tipc Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2023-02-17 11:06:39 +00:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-02-02 14:49:55 -08:00
unix net: add missing includes of linux/splice.h 2023-01-27 11:19:46 +00:00
vmw_vsock virtio/vsock: replace virtio_vsock_pkt with sk_buff 2023-01-16 13:26:33 +00:00
wireless wifi: cfg80211: Set SSID if it is not already set 2023-02-15 18:26:58 +01:00
x25 net/x25: Fix to not accept on connected socket 2023-01-25 09:51:04 +00:00
xdp net: no longer support SOCK_REFCNT_DEBUG feature 2023-02-15 10:25:21 +00:00
xfrm bpf-next-for-netdev 2023-02-10 17:51:27 -08:00
compat.c use less confusing names for iov_iter direction initializers 2022-11-25 13:01:55 -05:00
devres.c
Kconfig Remove DECnet support from kernel 2022-08-22 14:26:30 +01:00
Kconfig.debug net: make NET_(DEV|NS)_REFCNT_TRACKER depend on NET 2022-09-20 14:23:56 -07:00
Makefile devlink: move code to a dedicated directory 2023-01-05 22:12:00 -08:00
socket.c Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2023-02-17 11:06:39 +00:00
sysctl_net.c