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fe59379b9a
linux/net
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Xin Long fe59379b9a sctp: do the basic send and recv for PLPMTUD probe 
This patch does exactly what rfc8899#section-6.2.1.2 says:

   The SCTP sender needs to be able to determine the total size of a
   probe packet.  The HEARTBEAT chunk could carry a Heartbeat
   Information parameter that includes, besides the information
   suggested in [RFC4960], the probe size to help an implementation
   associate a HEARTBEAT ACK with the size of probe that was sent.  The
   sender could also use other methods, such as sending a nonce and
   verifying the information returned also contains the corresponding
   nonce.  The length of the PAD chunk is computed by reducing the
   probing size by the size of the SCTP common header and the HEARTBEAT
   chunk.

Note that HB ACK chunk will carry back whatever HB chunk carried, including
the probe_size we put it in; We also check hbinfo->probe_size in the HB ACK
against link->pl.probe_size to validate this HB ACK chunk.

v1->v2:
  - Remove the unused 'sp' and add static for sctp_packet_bundle_pad().

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-22 11:28:52 -07:00
..
6lowpan 6lowpan: Fix some typos in nhc_udp.c 2021-03-24 17:52:11 -07:00
9p 9p/trans_virtio: Fix spelling mistakes 2021-06-02 14:01:55 -07:00
802
8021q net: vlan: pass thru all GSO_SOFTWARE in hw_enc_features 2021-06-18 11:58:03 -07:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
atm atm: Use list_for_each_entry() to simplify code in resources.c 2021-06-10 14:08:09 -07:00
ax25 net/ax25: Delete obsolete TODO file 2021-03-30 16:54:50 -07:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
bpf bpf: Prepare bpf syscall to be used from kernel and user space. 2021-05-19 00:33:40 +02:00
bpfilter net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
bridge bridge: cfm: remove redundant return 2021-06-22 10:35:15 -07:00
caif net: caif: modify the label out_err to out 2021-06-18 12:07:09 -07:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
ceph libceph: Fix spelling mistakes 2021-06-03 13:24:23 -07:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
dcb net: dcb: Return the correct errno code 2021-06-01 17:01:33 -07:00
dccp dccp: tfrc: fix doc warnings in tfrc_equation.c 2021-06-10 14:08:49 -07:00
decnet decnet: Fix spelling mistakes 2021-06-02 14:01:55 -07:00
dns_resolver net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
dsa net: dsa: remove cross-chip support from the MRP notifiers 2021-06-21 12:50:20 -07:00
ethernet of: net: pass the dst buffer to of_get_mac_address() 2021-04-13 14:35:02 -07:00
ethtool ethtool: Validate module EEPROM offset as part of policy 2021-06-22 10:40:54 -07:00
hsr net: hsr: don't check sequence number if tag removal is offloaded 2021-06-16 12:13:01 -07:00
ieee802154 ieee802154: fix error return code in ieee802154_llsec_getparams() 2021-06-03 10:59:49 +02:00
ife net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
iucv net/af_iucv: clean up some forward declarations 2021-06-12 13:06:33 -07:00
kcm revert "net: kcm: fix memory leak in kcm_sendmsg" 2021-06-07 13:34:37 -07:00
key
l2tp l2tp: Fix spelling mistakes 2021-06-07 14:08:30 -07:00
l3mdev l3mdev: Correct function names in the kerneldoc comments 2021-03-28 17:56:55 -07:00
lapb net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c 2021-06-08 16:31:25 -07:00
llc llc2: Remove redundant assignment to rc 2021-04-27 14:16:14 -07:00
mac80211 mac80211: handle various extensible elements correctly 2021-06-18 13:25:49 +02:00
mac802154 net: mac802154: Fix general protection fault 2021-04-06 22:42:16 +02:00
mpls mpls: Remove redundant assignment to err 2021-04-27 14:17:00 -07:00
mptcp mptcp: add MIB counter for invalid mapping 2021-06-22 09:57:45 -07:00
ncsi net/ncsi: Fix spelling mistakes 2021-06-07 14:08:30 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
netlabel netlabel: Fix memory leak in netlbl_mgmt_add_common 2021-06-15 11:19:04 -07:00
netlink netlink: disable IRQs for netlink_lock_table() 2021-05-17 15:31:03 -07:00
netrom net: netrom: nr_in: Remove redundant assignment to ns 2021-04-28 13:59:08 -07:00
nfc Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2021-06-07 13:01:52 -07:00
nsh
openvswitch openvswitch: add trace points 2021-06-22 10:47:32 -07:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
phonet
psample psample: Add additional metadata attributes 2021-03-14 15:00:43 -07:00
qrtr Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
rfkill Another set of updates, all over the map: 2021-04-20 16:44:04 -07:00
rose net: rose: Fix fall-through warnings for Clang 2021-03-10 12:45:15 -08:00
rxrpc rxrpc: Fix a typo 2021-06-02 14:01:55 -07:00
sched Revert "net/sched: cls_flower: Remove match on n_proto" 2021-06-21 14:46:36 -07:00
sctp sctp: do the basic send and recv for PLPMTUD probe 2021-06-22 11:28:52 -07:00
smc net/smc: Fix ENODATA tests in smc_nl_get_fback_stats() 2021-06-21 12:16:58 -07:00
strparser
sunrpc xprtrdma: Revert 586a0787ce 2021-05-27 08:46:19 -04:00
switchdev net: bridge: propagate extack through switchdev_port_attr_set 2021-02-14 17:38:11 -08:00
tipc tipc:subscr.c: fix a spelling mistake 2021-06-10 13:48:43 -07:00
tls skbuff: add a parameter to __skb_frag_unref 2021-06-07 14:11:47 -07:00
unix __unix_find_socket_byname(): don't pass hash and type separately 2021-06-21 12:28:49 -07:00
vmw_vsock virtio/vsock: avoid NULL deref in virtio_transport_seqpacket_allow() 2021-06-22 09:49:37 -07:00
wireless cfg80211: avoid double free of PMSR request 2021-06-18 13:25:24 +02:00
x25 net: x25: Use list_for_each_entry() to simplify code in x25_route.c 2021-06-10 14:08:09 -07:00
xdp xdp: Extend xdp_redirect_map with broadcast support 2021-05-26 09:46:16 +02:00
xfrm xfrm: ipcomp: remove unnecessary get_cpu() 2021-04-19 12:49:29 +02:00
compat.c net: Return the correct errno code 2021-06-03 15:13:56 -07:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
Kconfig bpf, kconfig: Add consolidated menu entry for bpf with core options 2021-05-11 13:56:16 -07:00
Makefile net: l3mdev: use obj-$(CONFIG_NET_L3_MASTER_DEV) form in net/Makefile 2021-01-27 17:03:52 -08:00
socket.c net: add pf_family_names[] for protocol family 2021-06-21 14:41:54 -07:00
sysctl_net.c net: Ensure net namespace isolation of sysctls 2021-04-12 13:27:11 -07:00