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Xin Long 4ea0c32f5f sctp: add support for MSG_MORE 
This patch is to add support for MSG_MORE on sctp.

It adds force_delay in sctp_datamsg to save MSG_MORE, and sets it after
creating datamsg according to the send flag. sctp_packet_can_append_data
then uses it to decide if the chunks of this msg will be sent at once or
delay it.

Note that unlike [1], this patch saves MSG_MORE in datamsg, instead of
in assoc. As sctp enqueues the chunks first, then dequeue them one by
one. If it's saved in assoc,the current msg's send flag (MSG_MORE) may
affect other chunks' bundling.

Since last patch, sctp flush out queue once assoc state falls into
SHUTDOWN_PENDING, the close block problem mentioned in [1] has been
solved as well.

[1] https://patchwork.ozlabs.org/patch/372404/

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2017-02-20 10:26:09 -05:00
..
6lowpan 6lowpan: use rb_entry() 2017-01-22 16:46:13 -05:00
9p IB/core: add support to create a unsafe global rkey to ib_create_pd 2016-09-23 13:47:44 -04:00
802 Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
8021q net: remove ndo_neigh_{construct, destroy} from stacked devices 2017-02-06 11:25:57 -05:00
appletalk appletalk: use IS_ENABLED() instead of checking for built-in or module 2016-09-10 21:19:10 -07:00
atm net: atm: Fix warnings in net/atm/lec.c when !CONFIG_PROC_FS 2016-12-28 15:11:32 -05:00
ax25 ax25: Fix segfault after sock connection timeout 2017-01-16 14:39:58 -05:00
batman-adv Here are two fixes for batman-adv for net-next: 2017-01-29 19:21:26 -05:00
bluetooth Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-12-16 10:24:44 -08:00
bridge bridge: don't indicate expiry on NTF_EXT_LEARNED fdb entries 2017-02-17 13:56:56 -05:00
caif net: caif: Remove unused stats member from struct chnl_net 2017-01-19 11:45:21 -05:00
can can: bcm: fix hrtimer/tasklet termination in bcm op removal 2017-01-30 11:05:04 +01:00
ceph libceph: make sure ceph_aes_crypt() IV is aligned 2017-01-18 17:58:45 +01:00
core rtnl: don't account unused struct ifla_port_vsi in rtnl_port_size 2017-02-17 14:56:11 -05:00
dcb net: dcb: set error code on failures 2016-12-03 23:54:25 -05:00
dccp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-02-19 11:18:46 -05:00
decnet Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
dns_resolver
…
dsa Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-02-11 02:31:11 -05:00
ethernet Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-02-16 21:25:49 -05:00
hsr net-next: treewide use is_vlan_dev() helper function. 2017-02-06 16:33:29 -05:00
ieee802154 Makefile: drop -D__CHECK_ENDIAN__ from cflags 2016-12-16 00:13:43 +02:00
ife net: Introduce ife encapsulation module 2017-02-03 15:16:45 -05:00
ipv4 tcp: use page_ref_inc() in tcp_sendmsg() 2017-02-17 15:31:06 -05:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-02-19 11:18:46 -05:00
ipx ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
irda irda: Fix lockdep annotations in hashbin_delete(). 2017-02-17 16:19:39 -05:00
iucv net/af_iucv: don't use paged skbs for TX on HiperSockets 2017-01-10 21:08:29 -05:00
kcm kcm: fix a null pointer dereference in kcm_sendmsg() 2017-02-14 13:06:37 -05:00
key netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-02-11 02:31:11 -05:00
l3mdev net: ipv6: Remove l3mdev_get_saddr6 2016-09-10 23:12:53 -07:00
lapb Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
llc net/llc: avoid BUG_ON() in skb_orphan() 2017-02-12 22:14:49 -05:00
mac80211 Some more updates: 2017-02-10 14:31:51 -05:00
mac802154 ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
mpls lwtunnel: remove device arg to lwtunnel_build_state 2017-01-30 15:14:22 -05:00
ncsi net/ncsi: Improve HNCDSC AEN handler 2016-10-20 11:23:08 -04:00
netfilter netfilter: nf_tables: honor NFT_SET_OBJECT in set backend selection 2017-02-12 14:45:14 +01:00
netlabel netlabel: add CALIPSO to the list of built-in protocols 2017-01-06 22:20:45 -05:00
netlink net: adjust skb->truesize in pskb_expand_head() 2017-01-27 12:03:29 -05:00
netrom
…
nfc genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
openvswitch openvswitch: Set event bit after initializing labels. 2017-02-20 10:18:43 -05:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-02-19 11:18:46 -05:00
phonet netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
psample net: Introduce psample, a new genetlink channel for packet sampling 2017-01-24 13:44:28 -05:00
qrtr net: qrtr: Mark 'buf' as little endian 2017-01-10 20:45:04 -05:00
rds rds:Remove unnecessary ib_ring unalloc 2017-02-17 15:19:51 -05:00
rfkill rfkill: remove rfkill-regulator 2017-01-24 11:07:35 +01:00
rose Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
rxrpc rxrpc: Change module filename to rxrpc.ko 2017-02-17 15:09:19 -05:00
sched pkt_sched: Remove useless qdisc_stab_lock 2017-02-17 15:10:18 -05:00
sctp sctp: add support for MSG_MORE 2017-02-20 10:26:09 -05:00
smc smc: some potential use after free bugs 2017-01-30 16:37:55 -05:00
strparser strparser: Propagate correct error code in strp_recv() 2016-10-12 01:51:49 -04:00
sunrpc net: sunrpc: fix build errors when linux/phy*.h is removed from net/dsa.h 2017-02-10 13:51:01 -05:00
switchdev Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-10-30 12:42:58 -04:00
tipc tipc: Fix tipc_sk_reinit race conditions 2017-02-17 12:28:35 -05:00
unix unix: add ioctl to open a unix socket file with O_PATH 2017-02-02 21:58:02 -05:00
vmw_vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-17 20:17:04 -08:00
wimax genetlink: mark families as __ro_after_init 2016-10-27 16:16:09 -04:00
wireless Some more updates: 2017-02-10 14:31:51 -05:00
x25 Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-02-16 21:25:49 -05:00
Kconfig bpf: make jited programs visible in traces 2017-02-17 13:40:05 -05:00
Makefile net: Introduce ife encapsulation module 2017-02-03 15:16:45 -05:00
compat.c net: Assert at build time the assumptions we make about the CMSG header. 2017-01-04 13:24:19 -05:00
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-11 14:43:39 -05:00
sysctl_net.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2016-10-06 09:52:23 -07:00