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950a419d9d
linux/net
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Vladimir Oltean 950a419d9d net: dsa: tag_sja1105: split sja1105_tagger_data into private and public sections 
The sja1105 driver messes with the tagging protocol's state when PTP RX
timestamping is enabled/disabled. This is fundamentally necessary
because the tagger needs to know what to do when it receives a PTP
packet. If RX timestamping is enabled, then a metadata follow-up frame
is expected, and this holds the (partial) timestamp. So the tagger plays
hide-and-seek with the network stack until it also gets the metadata
frame, and then presents a single packet, the timestamped PTP packet.
But when RX timestamping isn't enabled, there is no metadata frame
expected, so the hide-and-seek game must be turned off and the packet
must be delivered right away to the network stack.

Considering this, we create a pseudo isolation by devising two tagger
methods callable by the switch: one to get the RX timestamping state,
and one to set it. Since we can't export symbols between the tagger and
the switch driver, these methods are exposed through function pointers.

After this change, the public portion of the sja1105_tagger_data
contains only function pointers.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-12-12 12:51:34 +00:00
..
6lowpan
9p 9p: fix a bunch of checkpatch warnings 2021-11-04 21:04:25 +09:00
802 net: 802: Use memset_startat() to clear struct fields 2021-11-19 11:23:23 +00:00
8021q vlan: add net device refcount tracker 2021-12-07 20:44:58 -08:00
appletalk
atm net: atm: use address setting helpers 2021-10-24 13:59:45 +01:00
ax25 ax25: add net device refcount tracker 2021-12-07 20:44:59 -08:00
batman-adv Merge branch 'exit-cleanups-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-11-10 16:15:54 -08:00
bluetooth bluetooth-next pull request for net-next: 2021-11-17 14:52:44 +00:00
bpf bpf: Add dummy BPF STRUCT_OPS for test purpose 2021-11-01 14:10:00 -07:00
bpfilter
bridge net: bridge: add net device refcount tracker 2021-12-07 20:44:58 -08:00
caif net: caif: get ready for const netdev->dev_addr 2021-10-24 13:59:45 +01:00
can can: j1939: j1939_tp_cmd_recv(): check the dst address of TP.CM_BAM 2021-11-06 17:29:32 +01:00
ceph libceph, ceph: move ceph_osdc_copy_from() into cephfs code 2021-11-08 03:29:52 +01:00
core net: Enable neighbor sysctls that is save for userns root 2021-12-12 12:34:38 +00:00
dcb
dccp dccp: Inline dccp_listen_start(). 2021-11-23 20:16:22 -08:00
decnet
dns_resolver
dsa net: dsa: tag_sja1105: split sja1105_tagger_data into private and public sections 2021-12-12 12:51:34 +00:00
ethernet gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers 2021-11-24 17:21:42 -08:00
ethtool Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-09 13:23:02 -08:00
hsr net: Write lock dev_base_lock without disabling bottom halves. 2021-11-29 12:12:36 +00:00
ieee802154 net: drop nopreempt requirement on sock_prot_inuse_add() 2021-11-16 13:20:45 +00:00
ife
ipv4 Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-12-10 15:56:13 -08:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-09 13:23:02 -08:00
iucv net/af_iucv: Use struct_group() to zero struct iucv_sock region 2021-11-19 11:52:25 +00:00
kcm
key
l2tp l2tp: add netns refcount tracker to l2tp_dfs_seq_data 2021-12-10 06:38:27 -08:00
l3mdev
lapb
llc sock: Use sock_owned_by_user_nocheck() instead of sk_lock.owned. 2021-12-10 19:43:00 -08:00
mac80211 ethtool: extend ringparam setting/getting API with rx_buf_len 2021-11-22 12:31:49 +00:00
mac802154 mac802154: use dev_addr_set() - manual 2021-10-20 14:27:40 +01:00
mctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-02 11:44:56 -08:00
mpls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-02 11:44:56 -08:00
mptcp mptcp: support TCP_CORK and TCP_NODELAY 2021-12-07 11:36:31 -08:00
ncsi net/ncsi : Add payload to be 32-bit aligned to fix dropped packets 2021-11-24 11:53:17 +00:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-09 13:23:02 -08:00
netlabel
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-02 11:44:56 -08:00
netrom
nfc nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done 2021-12-09 07:50:32 -08:00
nsh
openvswitch openvswitch: add net device refcount tracker to struct vport 2021-12-07 20:45:00 -08:00
packet net: drop nopreempt requirement on sock_prot_inuse_add() 2021-11-16 13:20:45 +00:00
phonet
psample
qrtr
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-02 11:44:56 -08:00
rfkill
rose
rxrpc rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer() 2021-11-29 15:40:02 +00:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-09 13:23:02 -08:00
sctp sctp: make the raise timer more simple and accurate 2021-11-25 21:00:45 -08:00
smc net/smc: add net device tracker to struct smc_pnetentry 2021-12-07 20:44:59 -08:00
strparser bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding 2021-11-09 01:05:28 +01:00
sunrpc NFS client bugfixes for Linux 5.16 2021-11-27 10:33:55 -08:00
switchdev net: switchdev: add net device refcount tracker 2021-12-07 20:44:58 -08:00
tipc tipc: delete the unlikely branch in tipc_aead_encrypt 2021-11-25 20:58:16 -08:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-02 11:44:56 -08:00
unix af_unix: Relax race in unix_autobind(). 2021-11-26 18:01:58 -08:00
vmw_vsock hv_sock: Extract hvs_send_data() helper that takes only header 2021-12-07 21:49:19 -08:00
wireless nl80211: fix radio statistics in survey dump 2021-11-15 10:51:51 +01:00
x25 net: x25: drop harmless check of !more 2021-12-09 18:35:11 -08:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-11-18 13:13:16 -08:00
xfrm xfrm: add net device refcount tracker to struct xfrm_state_offload 2021-12-10 08:16:33 -08:00
compat.c
devres.c
Kconfig net: kunit: add a test for dev_addr_lists 2021-11-20 12:25:57 +00:00
Kconfig.debug net: add networking namespace refcount tracker 2021-12-10 06:38:26 -08:00
Makefile
socket.c
sysctl_net.c sections: move and rename core_kernel_data() to is_kernel_core_data() 2021-11-09 10:02:50 -08:00