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2017-05-19tcp: warn on negative reordering valuesSoheil Hassas Yeganeh
Commit bafbb9c73241 ("tcp: eliminate negative reordering in tcp_clean_rtx_queue") fixes an issue for negative reordering metrics. To be resilient to such errors, warn and return when a negative metric is passed to tcp_update_reordering(). Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-19ah: use crypto_memneq to check the ICVSabrina Dubroca
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-05-19mac80211: mark as action frame when parsing IEs of CSA action framesSimon Wunderlich
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-05-19mac80211: mesh: Allow following CSA to DFS channels if userspace handles itBenjamin Berg
If userspace has flagged support for DFS earlier, then we can follow CSA to DFS channels. So instead of rejecting the switch, allow it to happen if the flag has been set during mesh setup. Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-05-19wireless: Require HANDLE_DFS flag to switch channel for non-AP modeBenjamin Berg
In the case the channel should be switched to one requiring DFS we need to make sure that userspace will handle radar events when they happen. For AP mode this is assumed to be the case, as a manager like hostapd is required. However IBSS and MESH modes can work without further userspace assistance, so refuse to use DFS channels unless userspace vouches that it handles DFS. NOTE: Userspace should have already flagged support earlier during mesh or IBSS setup. However, this information is not readily accessible currently. Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net> [sw: style cleanups] Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-05-19wireless: Only join DFS channels in mesh mode if userspace flags supportBenjamin Berg
When joining a mesh network it is not guaranteed that userspace has a daemon listening for radar events. This is however required for channels requiring DFS. To flag that userspace will handle radar events, it needs to set NL80211_ATTR_HANDLE_DFS. This matches the current mechanism used for IBSS mode. Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-05-19mac80211: move clearing result into ieee80211_parse_ch_switch_ie()Johannes Berg
Clear the csa_ie in ieee80211_parse_ch_switch_ie() where the data is filled in, rather than in each caller. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-05-19mac80211: mesh: mark channel as unusable if a regulatory MESH CSA is receivedBenjamin Berg
In the Mesh Channel Switch Parameters (8.4.2.105) the reason is specified to WLAN_REASON_MESH_CHAN_REGULATORY in the case that a regulatory limitation was the cause for the switch. This means another station detected a radar event. Mark the channel as unusable if this happens. Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net> [sw: style cleanup, rebase] Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-05-19xfrm: fix state migration copy replay sequence numbersAntony Antony
During xfrm migration copy replay and preplay sequence numbers from the previous state. Here is a tcpdump output showing the problem. 10.0.10.46 is running vanilla kernel, is the IKE/IPsec responder. After the migration it sent wrong sequence number, reset to 1. The migration is from 10.0.0.52 to 10.0.0.53. IP 10.0.0.52.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7cf), length 136 IP 10.0.10.46.4500 > 10.0.0.52.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x7cf), length 136 IP 10.0.0.52.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7d0), length 136 IP 10.0.10.46.4500 > 10.0.0.52.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x7d0), length 136 IP 10.0.0.53.4500 > 10.0.10.46.4500: NONESP-encap: isakmp: child_sa inf2[I] IP 10.0.10.46.4500 > 10.0.0.53.4500: NONESP-encap: isakmp: child_sa inf2[R] IP 10.0.0.53.4500 > 10.0.10.46.4500: NONESP-encap: isakmp: child_sa inf2[I] IP 10.0.10.46.4500 > 10.0.0.53.4500: NONESP-encap: isakmp: child_sa inf2[R] IP 10.0.0.53.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7d1), length 136 NOTE: next sequence is wrong 0x1 IP 10.0.10.46.4500 > 10.0.0.53.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x1), length 136 IP 10.0.0.53.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7d2), length 136 IP 10.0.10.46.4500 > 10.0.0.53.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x2), length 136 Signed-off-by: Antony Antony <antony@phenome.org> Reviewed-by: Richard Guy Briggs <rgb@tricolour.ca> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-05-19batman-adv: fix memory leak when dropping packet from other gatewayAndreas Pape
The skb must be released in the receive handler since b91a2543b4c1 ("batman-adv: Consume skb in receive handlers"). Just returning NET_RX_DROP will no longer automatically free the memory. This results in memory leaks when unicast packets from other backbones must be dropped because they share a common backbone. Fixes: 9e794b6bf4a2 ("batman-adv: drop unicast packets from other backbone gw") Signed-off-by: Andreas Pape <apape@phoenixcontact.com> [sven@narfation.org: adjust commit message] Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-05-19batman-adv: Fix rx packet/bytes stats on local ARP replySven Eckelmann
The stats are generated by batadv_interface_stats and must not be stored directly in the net_device stats member variable. The batadv_priv bat_counters information is assembled when ndo_get_stats is called. The stats previously stored in net_device::stats is then overwritten. The batman-adv counters must therefore be increased when an ARP packet is answered locally via the distributed arp table. Fixes: c384ea3ec930 ("batman-adv: Distributed ARP Table - add snooping functions for ARP messages") Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2017-05-19xfrm: Make function xfrm_dev_register staticWei Yongjun
Fixes the following sparse warning: net/xfrm/xfrm_device.c:141:5: warning: symbol 'xfrm_dev_register' was not declared. Should it be static? Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-05-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2017-05-18xen/9pfs: p9_trans_xen_init and p9_trans_xen_exit can be staticWei Yongjun
Fixes the following sparse warnings: net/9p/trans_xen.c:528:5: warning: symbol 'p9_trans_xen_init' was not declared. Should it be static? net/9p/trans_xen.c:540:6: warning: symbol 'p9_trans_xen_exit' was not declared. Should it be static? Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
2017-05-18xen/9pfs: fix return value check in xen_9pfs_front_probe()Wei Yongjun
In case of error, the function xenbus_read() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: 71ebd71921e4 ("xen/9pfs: connect to the backend") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
2017-05-18tcp: fix tcp_rearm_rto()Eric Dumazet
skbs in (re)transmit queue no longer have a copy of jiffies at the time of the transmit : skb->skb_mstamp is now in usec unit, with no correlation to tcp_jiffies32. We have to convert rto from jiffies to usec, compute a time difference in usec, then convert the delta to HZ units. Fixes: 9a568de4818d ("tcp: switch TCP TS option (RFC 7323) to 1ms clock") Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18Merge remote-tracking branch 'mauro-exp/docbook3' into death-to-docbookJonathan Corbet
Mauro says: This patch series convert the remaining DocBooks to ReST. The first version was originally send as 3 patch series: [PATCH 00/36] Convert DocBook documents to ReST [PATCH 0/5] Convert more books to ReST [PATCH 00/13] Get rid of DocBook The lsm book was added as if it were a text file under Documentation. The plan is to merge it with another file under Documentation/security, after both this series and a security Documentation patch series gets merged. It also adjusts some Sphinx-pedantic errors/warnings on some kernel-doc markups. I also added some patches here to add PDF output for all existing ReST books.
2017-05-18net: dsa: include switchdev.h only onceVivien Didelot
DSA drivers and core use switchdev. Include switchdev.h only once, in the dsa.h public header, so that inclusion in DSA drivers or forward declarations of switchdev structures in not necessary anymore. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18net: dsa: include dsa.h only onceVivien Didelot
The public include/net/dsa.h file is meant for DSA drivers, while all DSA core files share a common private header net/dsa/dsa_priv.h file. Ensure that dsa_priv.h is the only DSA core file to include net/dsa.h, and add a new line to separate absolute and relative headers at the same time. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18net: fix __skb_try_recv_from_queue to return the old behaviorAndrey Vagin
This function has to return NULL on a error case, because there is a separate error variable. The offset has to be changed only if skb is returned v2: fix udp code to not use an extra variable Cc: Paolo Abeni <pabeni@redhat.com> Cc: Eric Dumazet <edumazet@google.com> Cc: David S. Miller <davem@davemloft.net> Fixes: 65101aeca522 ("net/sock: factor out dequeue/peek with offset cod") Signed-off-by: Andrei Vagin <avagin@openvz.org> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18sctp: do not inherit ipv6_{mc|ac|fl}_list from parentEric Dumazet
SCTP needs fixes similar to 83eaddab4378 ("ipv6/dccp: do not inherit ipv6_mc_list from parent"), otherwise bad things can happen. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Andrey Konovalov <andreyknvl@google.com> Tested-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18udp: make *udp*_queue_rcv_skb() functions staticPaolo Abeni
Since the udp memory accounting refactor, we don't need any more to export the *udp*_queue_rcv_skb(). Make them static and fix a couple of sparse warnings: net/ipv4/udp.c:1615:5: warning: symbol 'udp_queue_rcv_skb' was not declared. Should it be static? net/ipv6/udp.c:572:5: warning: symbol 'udpv6_queue_rcv_skb' was not declared. Should it be static? Fixes: 850cbaddb52d ("udp: use it's own memory accounting schema") Fixes: c915fe13cbaa ("udplite: fix NULL pointer dereference") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18net: make struct net_device::tx_queue_len unsigned intAlexey Dobriyan
4 billion packet queue is something unthinkable so use 32-bit value for now. Space savings on x86_64: add/remove: 0/0 grow/shrink: 3/70 up/down: 16/-131 (-115) function old new delta change_tx_queue_len 94 108 +14 qdisc_create 1176 1177 +1 alloc_netdev_mqs 1124 1125 +1 xenvif_alloc 533 532 -1 x25_asy_setup 167 166 -1 ... tun_queue_resize 945 940 -5 pfifo_fast_enqueue 167 162 -5 qfq_init_qdisc 168 158 -10 tap_queue_resize 810 799 -11 transmit 719 698 -21 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18bridge: netlink: check vlan_default_pvid rangeTobias Jungel
Currently it is allowed to set the default pvid of a bridge to a value above VLAN_VID_MASK (0xfff). This patch adds a check to br_validate and returns -EINVAL in case the pvid is out of bounds. Reproduce by calling: [root@test ~]# ip l a type bridge [root@test ~]# ip l a type dummy [root@test ~]# ip l s bridge0 type bridge vlan_filtering 1 [root@test ~]# ip l s bridge0 type bridge vlan_default_pvid 9999 [root@test ~]# ip l s dummy0 master bridge0 [root@test ~]# bridge vlan port vlan ids bridge0 9999 PVID Egress Untagged dummy0 9999 PVID Egress Untagged Fixes: 0f963b7592ef ("bridge: netlink: add support for default_pvid") Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: Tobias Jungel <tobias.jungel@bisdn.de> Acked-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18udp: make function udp_skb_dtor_locked staticColin Ian King
Function udp_skb_dtor_locked does not need to be in global scope so make it static to fix sparse warning: net/ipv4/udp.c: warning: symbol 'udp_skb_dtor_locked' was not declared. Should it be static? Fixes: 6dfb4367cd911d ("udp: keep the sk_receive_queue held when splicing") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18net: x25: fix one potential use-after-free issuelinzhang
The function x25_init is not properly unregister related resources on error handler.It is will result in kernel oops if x25_init init failed, so add properly unregister call on error handler. Also, i adjust the coding style and make x25_register_sysctl properly return failure. Signed-off-by: linzhang <xiaolou4617@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18Bluetooth: Skip vendor diagnostic configuration for HCI User ChannelMarcel Holtmann
When the HCI User Channel access is requested, then do not try to undermine it with vendor diagnostic configuration. The exclusive user is required to configure its own vendor diagnostic in that case and can not rely on the host stack support. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2017-05-18Bluetooth: Set LE Default PHY preferencesMarcel Holtmann
If the LE Set Default PHY command is supported, the indicate to the controller that the host has no preferences for transmitter PHY or receiver PHY selection. Issuing this command gives the controller a clear indication that other PHY can be selected if available. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2017-05-18Bluetooth: Enable LE PHY Update Complete eventMarcel Holtmann
If either LE Set Default PHY command or LE Set PHY commands is supported, then enable the LE PHY Update Complete event. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2017-05-18Bluetooth: Enable LE Channel Selection Algorithm eventMarcel Holtmann
If the Channel Selection Algorithm #2 feature is supported, then enable the new LE Channel Selection Algorithm event. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2017-05-18Bluetooth: Set LE Suggested Default Data Length to maximumMarcel Holtmann
When LE Data Packet Length Extension is supported, then actually increase the suggested default data length to the maximum to enable higher througput. < HCI Command: LE Read Maximum Data Length (0x08|0x002f) plen 0 > HCI Event: Command Complete (0x0e) plen 12 LE Read Maximum Data Length (0x08|0x002f) ncmd 1 Status: Success (0x00) Max TX octets: 251 Max TX time: 2120 Max RX octets: 251 Max RX time: 2120 < HCI Command: LE Read Suggested Default Data Length (0x08|0x0023) plen 0 > HCI Event: Command Complete (0x0e) plen 8 LE Read Suggested Default Data Length (0x08|0x0023) ncmd 1 Status: Success (0x00) TX octets: 27 TX time: 328 < HCI Command: LE Write Suggested Default Data Length (0x08|0x0024) plen 4 TX octets: 251 TX time: 2120 > HCI Event: Command Complete (0x0e) plen 4 LE Write Suggested Default Data Length (0x08|0x0024) ncmd 1 Status: Success (0x00) Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2017-05-18netfilter: xtables: fix build failure from COMPAT_XT_ALIGN outside CONFIG_COMPATWillem de Bruijn
The patch in the Fixes references COMPAT_XT_ALIGN in the definition of XT_DATA_TO_USER, outside an #ifdef CONFIG_COMPAT block. Split XT_DATA_TO_USER into separate compat and non compat variants and define the first inside an CONFIG_COMPAT block. This simplifies both variants by removing branches inside the macro. Fixes: 324318f0248c ("netfilter: xtables: zero padding in data_to_user") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2017-05-17ipv6: Check ip6_find_1stfragopt() return value properly.David S. Miller
Do not use unsigned variables to see if it returns a negative error or not. Fixes: 2423496af35d ("ipv6: Prevent overrun when parsing v6 header options") Reported-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp: switch TCP TS option (RFC 7323) to 1ms clockEric Dumazet
TCP Timestamps option is defined in RFC 7323 Traditionally on linux, it has been tied to the internal 'jiffies' variable, because it had been a cheap and good enough generator. For TCP flows on the Internet, 1 ms resolution would be much better than 4ms or 10ms (HZ=250 or HZ=100 respectively) For TCP flows in the DC, Google has used usec resolution for more than two years with great success [1] Receive size autotuning (DRS) is indeed more precise and converges faster to optimal window size. This patch converts tp->tcp_mstamp to a plain u64 value storing a 1 usec TCP clock. This choice will allow us to upstream the 1 usec TS option as discussed in IETF 97. [1] https://www.ietf.org/proceedings/97/slides/slides-97-tcpm-tcp-options-for-low-latency-00.pdf Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp: replace misc tcp_time_stamp to tcp_jiffies32Eric Dumazet
After this patch, all uses of tcp_time_stamp will require a change when we introduce 1 ms and/or 1 us TCP TS option. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp_lp: cache tcp_time_stampEric Dumazet
tcp_time_stamp will become slightly more expensive soon, cache its value. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp_westwood: use tcp_jiffies32 instead of tcp_time_stampEric Dumazet
This CC does not need 1 ms tcp_time_stamp and can use the jiffy based 'timestamp'. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp: use tcp_jiffies32 in __tcp_oow_rate_limited()Eric Dumazet
This place wants to use tcp_jiffies32, this is good enough. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp: uses jiffies_32 to feed tp->chrono_startEric Dumazet
tcp_time_stamp will no longer be tied to jiffies. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp: use tcp_jiffies32 to feed probe_timestampEric Dumazet
Use tcp_jiffies32 instead of tcp_time_stamp, since tcp_time_stamp will soon be only used for TCP TS option. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp: use tcp_jiffies32 for rcv_tstamp and lrcvtimeEric Dumazet
Use tcp_jiffies32 instead of tcp_time_stamp, since tcp_time_stamp will soon be only used for TCP TS option. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp: bic, cubic: use tcp_jiffies32 instead of tcp_time_stampEric Dumazet
Use tcp_jiffies32 instead of tcp_time_stamp, since tcp_time_stamp will soon be only used for TCP TS option. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp_bbr: use tcp_jiffies32 instead of tcp_time_stampEric Dumazet
Use tcp_jiffies32 instead of tcp_time_stamp, since tcp_time_stamp will soon be only used for TCP TS option. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp: use tcp_jiffies32 to feed tp->snd_cwnd_stampEric Dumazet
Use tcp_jiffies32 instead of tcp_time_stamp to feed tp->snd_cwnd_stamp. tcp_time_stamp will soon be a litle bit more expensive than simply reading 'jiffies'. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp: use tcp_jiffies32 to feed tp->lsndtimeEric Dumazet
Use tcp_jiffies32 instead of tcp_time_stamp to feed tp->lsndtime. tcp_time_stamp will soon be a litle bit more expensive than simply reading 'jiffies'. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17dccp: do not use tcp_time_stampEric Dumazet
Use our own macro instead of abusing tcp_time_stamp Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17tcp: use tp->tcp_mstamp in output pathEric Dumazet
Idea is to later convert tp->tcp_mstamp to a full u64 counter using usec resolution, so that we can later have fine grained TCP TS clock (RFC 7323), regardless of HZ value. We try to refresh tp->tcp_mstamp only when necessary. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17sch_dsmark: Fix uninitialized variable warning.David S. Miller
We still need to initialize err to -EINVAL for the case where 'opt' is NULL in dsmark_init(). Fixes: 6529eaba33f0 ("net: sched: introduce tcf block infractructure") Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17net: sched: add termination action to allow goto chainJiri Pirko
Introduce new type of termination action called "goto_chain". This allows user to specify a chain to be processed. This action type is then processed as a return value in tcf_classify loop in similar way as "reclassify" is, only it does not reset to the first filter in chain but rather reset to the first filter of the desired chain. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17net: sched: push tp down to action initJiri Pirko
Tp pointer will be needed by the next patch in order to get the chain. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit (git 2.34.1) at 2025-09-14 18:47:18 +0000