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| * | | | netfilter: nf_ct_ext: invoke destroy even when ext is not attachedLiping Zhang2017-05-011-6/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For NF_NAT_MANIP_SRC, we will insert the ct to the nat_bysource_table, then remove it from the nat_bysource_table via nat_extend->destroy. But now, the nat extension is attached on demand, so if the nat extension is not attached, we will not be notified when the ct is destroyed, i.e. we may fail to remove ct from the nat_bysource_table. So just keep it simple, even if the extension is not attached, we will still invoke the related ext->destroy. And this will also preserve the flexibility for the future extension. Fixes: 9a08ecfe74d7 ("netfilter: don't attach a nat extension by default") Signed-off-by: Liping Zhang <zlpnobody@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | Merge tag 'ipvs3-for-v4.12' of ↵Pablo Neira Ayuso2017-05-011-2/+0
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | http://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-next Simon Horman says: ==================== Third Round of IPVS Updates for v4.12 please consider these enhancements to IPVS for v4.12. If it is too late for v4.12 then please consider them for v4.13. * Remove unused function * Correct comparison of unsigned value ==================== Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| | * | | | ipvs: remove unused function ip_vs_set_state_timeoutAaron Conole2017-04-281-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are no in-tree callers of this function and it isn't exported. Signed-off-by: Aaron Conole <aconole@bytheb.org> Signed-off-by: Simon Horman <horms@verge.net.au>
| * | | | | netfilter: nf_queue: only call synchronize_net twice if nf_queue is activeFlorian Westphal2017-05-011-2/+1
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | nf_unregister_net_hook(s) can avoid a second call to synchronize_net, provided there is no nfqueue active in that net namespace (which is the common case). This also gets rid of the extra arg to nf_queue_nf_hook_drop(), normally this gets called during netns cleanup so no packets should be queued. For the rare case of base chain being unregistered or module removal while nfqueue is in use the extra hiccup due to the packet drops isn't a big deal. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: don't attach a nat extension by defaultFlorian Westphal2017-04-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | nowadays the NAT extension only stores the interface index (used to purge connections that got masqueraded when interface goes down) and pptp nat information. Previous patches moved nf_ct_nat_ext_add to those places that need it. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: conntrack: mark extension structs as constFlorian Westphal2017-04-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: conntrack: remove prealloc supportFlorian Westphal2017-04-261-6/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It was used by the nat extension, but since commit 7c9664351980 ("netfilter: move nat hlist_head to nf_conn") its only needed for connections that use MASQUERADE target or a nat helper. Also it seems a lot easier to preallocate a fixed size instead. With default settings, conntrack first adds ecache extension (sysctl defaults to 1), so we get 40(ct extension header) + 24 (ecache) == 64 byte on x86_64 for initial allocation. Followup patches can constify the extension structs and avoid the initial zeroing of the entire extension area. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: synproxy: only register hooks when neededFlorian Westphal2017-04-261-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Defer registration of the synproxy hooks until the first SYNPROXY rule is added. Also means we only register hooks in namespaces that need it. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | nefilter: eache: reduce struct size from 32 to 24 byteFlorian Westphal2017-04-191-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Only "cache" needs to use ulong (its used with set_bit()), missed can use u16. Also add build-time assertion to ensure event bits fit. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: allow early drop of assured conntracksFlorian Westphal2017-04-191-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If insertion of a new conntrack fails because the table is full, the kernel searches the next buckets of the hash slot where the new connection was supposed to be inserted at for an entry that hasn't seen traffic in reply direction (non-assured), if it finds one, that entry is is dropped and the new connection entry is allocated. Allow the conntrack gc worker to also remove *assured* conntracks if resources are low. Do this by querying the l4 tracker, e.g. tcp connections are now dropped if they are no longer established (e.g. in finwait). This could be refined further, e.g. by adding 'soft' established timeout (i.e., a timeout that is only used once we get close to resource exhaustion). Cc: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: conntrack: use u8 for extension sizes againFlorian Westphal2017-04-191-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 223b02d923ecd7c84cf9780bb3686f455d279279 ("netfilter: nf_conntrack: reserve two bytes for nf_ct_ext->len") had to increase size of the extension offsets because total size of the extensions had increased to a point where u8 did overflow. 3 years later we've managed to diet extensions a bit and we no longer need u16. Furthermore we can now add a compile-time assertion for this problem. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: remove last traces of variable-sized extensionsFlorian Westphal2017-04-191-7/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | get rid of the (now unused) nf_ct_ext_add_length define and also rename the function to plain nf_ct_ext_add(). Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: helpers: remove data_len usage for inkernel helpersFlorian Westphal2017-04-191-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No need to track this for inkernel helpers anymore as NF_CT_HELPER_BUILD_BUG_ON checks do this now. All inkernel helpers know what kind of structure they stored in helper->data. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: helper: add build-time asserts for helper data sizeFlorian Westphal2017-04-191-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | add a 32 byte scratch area in the helper struct instead of relying on variable sized helpers plus compile-time asserts to let us know if 32 bytes aren't enough anymore. Not having variable sized helpers will later allow to add BUILD_BUG_ON for the total size of conntrack extensions -- the helper extension is the only one that doesn't have a fixed size. The (useless!) NF_CT_HELPER_BUILD_BUG_ON(0); are added so that in case someone adds a new helper and copy-pastes from one that doesn't store private data at least some indication that this macro should be used somehow is there... Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: conntrack: move helper struct to nf_conntrack_helper.hFlorian Westphal2017-04-192-19/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | its definition is not needed in nf_conntrack.h. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: remove nf_ct_is_untrackedFlorian Westphal2017-04-153-8/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This function is now obsolete and always returns false. This change has no effect on generated code. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: kill the fake untracked conntrack objectsFlorian Westphal2017-04-152-14/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | resurrect an old patch from Pablo Neira to remove the untracked objects. Currently, there are four possible states of an skb wrt. conntrack. 1. No conntrack attached, ct is NULL. 2. Normal (kmem cache allocated) ct attached. 3. a template (kmalloc'd), not in any hash tables at any point in time 4. the 'untracked' conntrack, a percpu nf_conn object, tagged via IPS_UNTRACKED_BIT in ct->status. Untracked is supposed to be identical to case 1. It exists only so users can check -m conntrack --ctstate UNTRACKED vs. -m conntrack --ctstate INVALID e.g. attempts to set connmark on INVALID or UNTRACKED conntracks is supposed to be a no-op. Thus currently we need to check ct == NULL || nf_ct_is_untracked(ct) in a lot of places in order to avoid altering untracked objects. The other consequence of the percpu untracked object is that all -j NOTRACK (and, later, kfree_skb of such skbs) result in an atomic op (inc/dec the untracked conntracks refcount). This adds a new kernel-private ctinfo state, IP_CT_UNTRACKED, to make the distinction instead. The (few) places that care about packet invalid (ct is NULL) vs. packet untracked now need to test ct == NULL vs. ctinfo == IP_CT_UNTRACKED, but all other places can omit the nf_ct_is_untracked() check. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: udplite: Remove duplicated udplite4/6 declarationGao Feng2017-04-092-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two nf_conntrack_l4proto_udp4 declarations in the head file nf_conntrack_ipv4/6.h. Now remove one which is not enbraced by the macro CONFIG_NF_CT_PROTO_UDPLITE. Signed-off-by: Gao Feng <fgao@ikuai8.com>
| * | | | netfilter: nat: nf_nat_mangle_{udp,tcp}_packet returns booleanGao Feng2017-04-061-18/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | nf_nat_mangle_{udp,tcp}_packet() returns int. However, it is used as bool type in many spots. Fix this by consistently handle this return value as a boolean. Signed-off-by: Gao Feng <fgao@ikuai8.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: nf_ct_expect: Add nf_ct_remove_expect()Gao Feng2017-04-061-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When remove one expect, it needs three statements. And there are multiple duplicated codes in current code. So add one common function nf_ct_remove_expect to consolidate this. Signed-off-by: Gao Feng <fgao@ikuai8.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: expect: Make sure the max_expected limit is effectiveGao Feng2017-04-061-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Because the type of expecting, the member of nf_conn_help, is u8, it would overflow after reach U8_MAX(255). So it doesn't work when we configure the max_expected exceeds 255 with expect policy. Now add the check for max_expected. Return the -EINVAL when it exceeds the limit. Signed-off-by: Gao Feng <fgao@ikuai8.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | | | netfilter: nf_tables: add nft_is_base_chain() helperPablo Neira Ayuso2017-04-061-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This new helper function allows us to check if this is a basechain. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* | | | | Merge tag 'mac80211-next-for-davem-2017-04-28' of ↵David S. Miller2017-04-282-110/+167
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== Another set of patches for -next: * API support for concurrent scheduled scan requests * API changes for roaming reporting * BSS max idle support in mac80211 * API changes for TX status reporting in mac80211 * API changes for RX rate reporting in mac80211 * rewrite monitor logic to prepare for BPF filters * bugfix for rare devices without 2.4 GHz support * a bugfix for recent DFS changes * some further cleanups The API changes are actually at a nice time, since it's typically quiet just before the merge window, and trees can be synchronized easily during it. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | cfg80211: add request id to cfg80211_sched_scan_*() apiArend Van Spriel2017-04-281-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Have proper request id filled in the SCHED_SCAN_RESULTS and SCHED_SCAN_STOPPED notifications toward user-space by having the driver provide it through the api. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | mac80211: Add support for BSS max idle period elementAvraham Stern2017-04-281-1/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Parse the BSS max idle period element and set the BSS configuration accordingly so the driver can use this information to configure the max idle period and to use protected management frames for keep alive when required. The BSS max idle period element is defined in IEEE802.11-2016, section 9.4.2.79 Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | cfg80211: unify cfg80211_roamed() and cfg80211_roamed_bss()Avraham Stern2017-04-281-32/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cfg80211_roamed() and cfg80211_roamed_bss() take the same arguments except that cfg80211_roamed() requires the BSSID and cfg80211_roamed_bss() requires the bss entry. Unify the two functions by using a struct for driver initiated roaming information so that either the BSSID or the bss entry can be passed as an argument to the unified function. Signed-off-by: Avraham Stern <avraham.stern@intel.com> [modified the ath6k, brcm80211, rndis and wlan-ng drivers accordingly] Signed-off-by: Luca Coelho <luciano.coelho@intel.com> [modify brcmfmac to remove the useless cast, spotted by Arend] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | mac80211: add ieee80211_tx_status_extFelix Fietkau2017-04-281-3/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows the driver to pass in struct ieee80211_tx_status directly. Make ieee80211_tx_status_noskb a wrapper around it. As with ieee80211_tx_status_noskb, there is no _ni variant of this call, because it probably won't be needed. Even if the driver won't provide any extra status info other than what's in struct ieee80211_tx_info already, it can optimize status reporting this way by passing in the station pointer. Signed-off-by: Felix Fietkau <nbd@nbd.name> [use C99 initializers] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | mac80211: make rate control tx status API more extensibleFelix Fietkau2017-04-281-4/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rename .tx_status_noskb to .tx_status_ext and pass a new on-stack struct ieee80211_tx_status instead of struct ieee80211_tx_info. This struct can be used to pass extra information, e.g. for dynamic tx power control Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | mac80211: rename ieee80211_rx_status::vht_nss to just nssJohannes Berg2017-04-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This field will need to be used again for HE, so rename it now. Again, mostly done with this spatch: @@ expression status; @@ -status->vht_nss +status->nss @@ expression status; @@ -status.vht_nss +status.nss Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | mac80211: separate encoding/bandwidth from flagsJohannes Berg2017-04-281-20/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We currently use a lot of flags that are mutually incompatible, separate this out into actual encoding and bandwidth enum values. Much of this again done with spatch, with manual post-editing, mostly to add the switch statements and get rid of the conversions. @@ expression status; @@ -status->enc_flags |= RX_ENC_FLAG_80MHZ +status->bw = RATE_INFO_BW_80 @@ expression status; @@ -status->enc_flags |= RX_ENC_FLAG_40MHZ +status->bw = RATE_INFO_BW_40 @@ expression status; @@ -status->enc_flags |= RX_ENC_FLAG_20MHZ +status->bw = RATE_INFO_BW_20 @@ expression status; @@ -status->enc_flags |= RX_ENC_FLAG_160MHZ +status->bw = RATE_INFO_BW_160 @@ expression status; @@ -status->enc_flags |= RX_ENC_FLAG_5MHZ +status->bw = RATE_INFO_BW_5 @@ expression status; @@ -status->enc_flags |= RX_ENC_FLAG_10MHZ +status->bw = RATE_INFO_BW_10 @@ expression status; @@ -status->enc_flags |= RX_ENC_FLAG_VHT +status->encoding = RX_ENC_VHT @@ expression status; @@ -status->enc_flags |= RX_ENC_FLAG_HT +status->encoding = RX_ENC_HT @@ expression status; @@ -status.enc_flags |= RX_ENC_FLAG_VHT +status.encoding = RX_ENC_VHT @@ expression status; @@ -status.enc_flags |= RX_ENC_FLAG_HT +status.encoding = RX_ENC_HT @@ expression status; @@ -(status->enc_flags & RX_ENC_FLAG_HT) +(status->encoding == RX_ENC_HT) @@ expression status; @@ -(status->enc_flags & RX_ENC_FLAG_VHT) +(status->encoding == RX_ENC_VHT) @@ expression status; @@ -(status->enc_flags & RX_ENC_FLAG_5MHZ) +(status->bw == RATE_INFO_BW_5) @@ expression status; @@ -(status->enc_flags & RX_ENC_FLAG_10MHZ) +(status->bw == RATE_INFO_BW_10) @@ expression status; @@ -(status->enc_flags & RX_ENC_FLAG_40MHZ) +(status->bw == RATE_INFO_BW_40) @@ expression status; @@ -(status->enc_flags & RX_ENC_FLAG_80MHZ) +(status->bw == RATE_INFO_BW_80) @@ expression status; @@ -(status->enc_flags & RX_ENC_FLAG_160MHZ) +(status->bw == RATE_INFO_BW_160) Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | mac80211: clean up rate encoding bits in RX statusJohannes Berg2017-04-281-55/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In preparation for adding support for HE rates, clean up the driver report encoding for rate/bandwidth reporting on RX frames. Much of this patch was done with the following spatch: @@ expression status; @@ -status->flag & (RX_FLAG_HT | RX_FLAG_VHT) +status->enc_flags & (RX_ENC_FLAG_HT | RX_ENC_FLAG_VHT) @@ assignment operator op; expression status; @@ -status->flag op RX_FLAG_SHORTPRE +status->enc_flags op RX_ENC_FLAG_SHORTPRE @@ expression status; @@ -status->flag & RX_FLAG_SHORTPRE +status->enc_flags & RX_ENC_FLAG_SHORTPRE @@ assignment operator op; expression status; @@ -status->flag op RX_FLAG_HT +status->enc_flags op RX_ENC_FLAG_HT @@ expression status; @@ -status->flag & RX_FLAG_HT +status->enc_flags & RX_ENC_FLAG_HT @@ assignment operator op; expression status; @@ -status->flag op RX_FLAG_40MHZ +status->enc_flags op RX_ENC_FLAG_40MHZ @@ expression status; @@ -status->flag & RX_FLAG_40MHZ +status->enc_flags & RX_ENC_FLAG_40MHZ @@ assignment operator op; expression status; @@ -status->flag op RX_FLAG_SHORT_GI +status->enc_flags op RX_ENC_FLAG_SHORT_GI @@ expression status; @@ -status->flag & RX_FLAG_SHORT_GI +status->enc_flags & RX_ENC_FLAG_SHORT_GI @@ assignment operator op; expression status; @@ -status->flag op RX_FLAG_HT_GF +status->enc_flags op RX_ENC_FLAG_HT_GF @@ expression status; @@ -status->flag & RX_FLAG_HT_GF +status->enc_flags & RX_ENC_FLAG_HT_GF @@ assignment operator op; expression status; @@ -status->flag op RX_FLAG_VHT +status->enc_flags op RX_ENC_FLAG_VHT @@ expression status; @@ -status->flag & RX_FLAG_VHT +status->enc_flags & RX_ENC_FLAG_VHT @@ assignment operator op; expression status; @@ -status->flag op RX_FLAG_STBC_MASK +status->enc_flags op RX_ENC_FLAG_STBC_MASK @@ expression status; @@ -status->flag & RX_FLAG_STBC_MASK +status->enc_flags & RX_ENC_FLAG_STBC_MASK @@ assignment operator op; expression status; @@ -status->flag op RX_FLAG_LDPC +status->enc_flags op RX_ENC_FLAG_LDPC @@ expression status; @@ -status->flag & RX_FLAG_LDPC +status->enc_flags & RX_ENC_FLAG_LDPC @@ assignment operator op; expression status; @@ -status->flag op RX_FLAG_10MHZ +status->enc_flags op RX_ENC_FLAG_10MHZ @@ expression status; @@ -status->flag & RX_FLAG_10MHZ +status->enc_flags & RX_ENC_FLAG_10MHZ @@ assignment operator op; expression status; @@ -status->flag op RX_FLAG_5MHZ +status->enc_flags op RX_ENC_FLAG_5MHZ @@ expression status; @@ -status->flag & RX_FLAG_5MHZ +status->enc_flags & RX_ENC_FLAG_5MHZ @@ assignment operator op; expression status; @@ -status->vht_flag op RX_VHT_FLAG_80MHZ +status->enc_flags op RX_ENC_FLAG_80MHZ @@ expression status; @@ -status->vht_flag & RX_VHT_FLAG_80MHZ +status->enc_flags & RX_ENC_FLAG_80MHZ @@ assignment operator op; expression status; @@ -status->vht_flag op RX_VHT_FLAG_160MHZ +status->enc_flags op RX_ENC_FLAG_160MHZ @@ expression status; @@ -status->vht_flag & RX_VHT_FLAG_160MHZ +status->enc_flags & RX_ENC_FLAG_160MHZ @@ assignment operator op; expression status; @@ -status->vht_flag op RX_VHT_FLAG_BF +status->enc_flags op RX_ENC_FLAG_BF @@ expression status; @@ -status->vht_flag & RX_VHT_FLAG_BF +status->enc_flags & RX_ENC_FLAG_BF @@ assignment operator op; expression status, STBC; @@ -status->flag op STBC << RX_FLAG_STBC_SHIFT +status->enc_flags op STBC << RX_ENC_FLAG_STBC_SHIFT @@ assignment operator op; expression status; @@ -status.flag op RX_FLAG_SHORTPRE +status.enc_flags op RX_ENC_FLAG_SHORTPRE @@ expression status; @@ -status.flag & RX_FLAG_SHORTPRE +status.enc_flags & RX_ENC_FLAG_SHORTPRE @@ assignment operator op; expression status; @@ -status.flag op RX_FLAG_HT +status.enc_flags op RX_ENC_FLAG_HT @@ expression status; @@ -status.flag & RX_FLAG_HT +status.enc_flags & RX_ENC_FLAG_HT @@ assignment operator op; expression status; @@ -status.flag op RX_FLAG_40MHZ +status.enc_flags op RX_ENC_FLAG_40MHZ @@ expression status; @@ -status.flag & RX_FLAG_40MHZ +status.enc_flags & RX_ENC_FLAG_40MHZ @@ assignment operator op; expression status; @@ -status.flag op RX_FLAG_SHORT_GI +status.enc_flags op RX_ENC_FLAG_SHORT_GI @@ expression status; @@ -status.flag & RX_FLAG_SHORT_GI +status.enc_flags & RX_ENC_FLAG_SHORT_GI @@ assignment operator op; expression status; @@ -status.flag op RX_FLAG_HT_GF +status.enc_flags op RX_ENC_FLAG_HT_GF @@ expression status; @@ -status.flag & RX_FLAG_HT_GF +status.enc_flags & RX_ENC_FLAG_HT_GF @@ assignment operator op; expression status; @@ -status.flag op RX_FLAG_VHT +status.enc_flags op RX_ENC_FLAG_VHT @@ expression status; @@ -status.flag & RX_FLAG_VHT +status.enc_flags & RX_ENC_FLAG_VHT @@ assignment operator op; expression status; @@ -status.flag op RX_FLAG_STBC_MASK +status.enc_flags op RX_ENC_FLAG_STBC_MASK @@ expression status; @@ -status.flag & RX_FLAG_STBC_MASK +status.enc_flags & RX_ENC_FLAG_STBC_MASK @@ assignment operator op; expression status; @@ -status.flag op RX_FLAG_LDPC +status.enc_flags op RX_ENC_FLAG_LDPC @@ expression status; @@ -status.flag & RX_FLAG_LDPC +status.enc_flags & RX_ENC_FLAG_LDPC @@ assignment operator op; expression status; @@ -status.flag op RX_FLAG_10MHZ +status.enc_flags op RX_ENC_FLAG_10MHZ @@ expression status; @@ -status.flag & RX_FLAG_10MHZ +status.enc_flags & RX_ENC_FLAG_10MHZ @@ assignment operator op; expression status; @@ -status.flag op RX_FLAG_5MHZ +status.enc_flags op RX_ENC_FLAG_5MHZ @@ expression status; @@ -status.flag & RX_FLAG_5MHZ +status.enc_flags & RX_ENC_FLAG_5MHZ @@ assignment operator op; expression status; @@ -status.vht_flag op RX_VHT_FLAG_80MHZ +status.enc_flags op RX_ENC_FLAG_80MHZ @@ expression status; @@ -status.vht_flag & RX_VHT_FLAG_80MHZ +status.enc_flags & RX_ENC_FLAG_80MHZ @@ assignment operator op; expression status; @@ -status.vht_flag op RX_VHT_FLAG_160MHZ +status.enc_flags op RX_ENC_FLAG_160MHZ @@ expression status; @@ -status.vht_flag & RX_VHT_FLAG_160MHZ +status.enc_flags & RX_ENC_FLAG_160MHZ @@ assignment operator op; expression status; @@ -status.vht_flag op RX_VHT_FLAG_BF +status.enc_flags op RX_ENC_FLAG_BF @@ expression status; @@ -status.vht_flag & RX_VHT_FLAG_BF +status.enc_flags & RX_ENC_FLAG_BF @@ assignment operator op; expression status, STBC; @@ -status.flag op STBC << RX_FLAG_STBC_SHIFT +status.enc_flags op STBC << RX_ENC_FLAG_STBC_SHIFT @@ @@ -RX_FLAG_STBC_SHIFT +RX_ENC_FLAG_STBC_SHIFT Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | cfg80211: add request id parameter to .sched_scan_stop() signatureArend Van Spriel2017-04-261-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For multiple scheduled scan support the driver needs to know which scheduled scan request is being stopped. Pass the request id in the .sched_scan_stop() callback. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | nl80211: add support for BSSIDs in scheduled scan matchsetsArend Van Spriel2017-04-261-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch allows for the scheduled scan request to specify matchsets for specific BSSIDs. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> [docs, netlink policy fix] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | nl80211: allow multiple active scheduled scan requestsArend Van Spriel2017-04-261-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements the idea to have multiple scheduled scan requests running concurrently. It mainly illustrates how to deal with the incoming request from user-space in terms of backward compatibility. In order to use multiple scheduled scans user-space needs to provide a flag attribute NL80211_ATTR_SCHED_SCAN_MULTI to indicate support. If not the request is treated as a legacy scan. Drivers currently supporting scheduled scan are now indicating they support a single scheduled scan request. This obsoletes WIPHY_FLAG_SUPPORTS_SCHED_SCAN. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> [clean up netlink destroy path to avoid allocations, code cleanups] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | | | | cfg80211: simplify netlink socket owner interface deletionJohannes Berg2017-04-261-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no need to allocate a portid structure and then, for each of those, walk the interfaces - we can just add a flag to each interface and walk those directly. Due to padding in the struct, we can even do it without any memory cost, and it even simplifies the code. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | | | | tcp: do not pass timestamp to tcp_rack_advance()Eric Dumazet2017-04-261-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No longer needed, since tp->tcp_mstamp holds the information. This is needed to remove sack_state.ack_time in a following patch. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | | tcp: do not pass timestamp to tcp_rate_gen()Eric Dumazet2017-04-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No longer needed, since tp->tcp_mstamp holds the information. This is needed to remove sack_state.ack_time in a following patch. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | | tcp: do not pass timestamp to tcp_rack_mark_lost()Eric Dumazet2017-04-261-1/+1
|/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is no longer used, since tcp_rack_detect_loss() takes the timestamp from tp->tcp_mstamp Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | can: network namespace support for CAN gatewayOliver Hartkopp2017-04-251-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The CAN gateway was not implemented as per-net in the initial network namespace support by Mario Kicherer (8e8cda6d737d). This patch enables the CAN gateway to be used in different namespaces. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
* | | | | can: network namespace support for CAN_BCM protocolOliver Hartkopp2017-04-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The CAN_BCM protocol and its procfs entries were not implemented as per-net in the initial network namespace support by Mario Kicherer (8e8cda6d737d). This patch adds the missing per-net functionality for the CAN BCM. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
* | | | | can: complete initial namespace supportOliver Hartkopp2017-04-251-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The statistics and its proc output was not implemented as per-net in the initial network namespace support by Mario Kicherer (8e8cda6d737d). This patch adds the missing per-net statistics for the CAN subsystem. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
* | | | | flow_dissector: add mpls support (v2)Benjamin LaHaise2017-04-241-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for parsing MPLS flows to the flow dissector in preparation for adding MPLS match support to cls_flower. Signed-off-by: Benjamin LaHaise <benjamin.lahaise@netronome.com> Signed-off-by: Benjamin LaHaise <bcrl@kvack.org> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Simon Horman <simon.horman@netronome.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: Jiri Pirko <jiri@mellanox.com> Cc: Eric Dumazet <jhs@mojatatu.com> Cc: Hadar Hen Zion <hadarh@mellanox.com> Cc: Gao Feng <fgao@ikuai8.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | net/tcp_fastopen: Add snmp counter for blackhole detectionWei Wang2017-04-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This counter records the number of times the firewall blackhole issue is detected and active TFO is disabled. Signed-off-by: Wei Wang <weiwan@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | net/tcp_fastopen: Disable active side TFO in certain scenariosWei Wang2017-04-241-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Middlebox firewall issues can potentially cause server's data being blackholed after a successful 3WHS using TFO. Following are the related reports from Apple: https://www.nanog.org/sites/default/files/Paasch_Network_Support.pdf Slide 31 identifies an issue where the client ACK to the server's data sent during a TFO'd handshake is dropped. C ---> syn-data ---> S C <--- syn/ack ----- S C (accept & write) C <---- data ------- S C ----- ACK -> X S [retry and timeout] https://www.ietf.org/proceedings/94/slides/slides-94-tcpm-13.pdf Slide 5 shows a similar situation that the server's data gets dropped after 3WHS. C ---- syn-data ---> S C <--- syn/ack ----- S C ---- ack --------> S S (accept & write) C? X <- data ------ S [retry and timeout] This is the worst failure b/c the client can not detect such behavior to mitigate the situation (such as disabling TFO). Failing to proceed, the application (e.g., SSL library) may simply timeout and retry with TFO again, and the process repeats indefinitely. The proposed solution is to disable active TFO globally under the following circumstances: 1. client side TFO socket detects out of order FIN 2. client side TFO socket receives out of order RST We disable active side TFO globally for 1hr at first. Then if it happens again, we disable it for 2h, then 4h, 8h, ... And we reset the timeout to 1hr if a client side TFO sockets not opened on loopback has successfully received data segs from server. And we examine this condition during close(). The rational behind it is that when such firewall issue happens, application running on the client should eventually close the socket as it is not able to get the data it is expecting. Or application running on the server should close the socket as it is not able to receive any response from client. In both cases, out of order FIN or RST will get received on the client given that the firewall will not block them as no data are in those frames. And we want to disable active TFO globally as it helps if the middle box is very close to the client and most of the connections are likely to fail. Also, add a debug sysctl: tcp_fastopen_blackhole_detect_timeout_sec: the initial timeout to use when firewall blackhole issue happens. This can be set and read. When setting it to 0, it means to disable the active disable logic. Signed-off-by: Wei Wang <weiwan@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | Merge tag 'mlx5-updates-2017-04-22' of ↵David S. Miller2017-04-241-0/+2
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-updates-2017-04-22 Sparse and compiler warnings fixes from Stephen Hemminger. From Roi Dayan and Or Gerlitz, Add devlink and mlx5 support for controlling E-Switch encapsulation mode, this knob will enable HW support for applying encapsulation/decapsulation to VF traffic as part of SRIOV e-switch offloading. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | net/devlink: Add E-Switch encapsulation controlRoi Dayan2017-04-221-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is an e-switch global knob to enable HW support for applying encapsulation/decapsulation to VF traffic as part of SRIOV e-switch offloading. The actual encap/decap is carried out (along with the matching and other actions) per offloaded e-switch rules, e.g as done when offloading the TC tunnel key action. Signed-off-by: Roi Dayan <roid@mellanox.com> Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
* | | | | | VSOCK: Add vsockmon tap functionsGerard Garcia2017-04-241-0/+13
|/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add tap functions that can be used by the vsock transports to deliver packets to vsockmon virtual network devices. Signed-off-by: Gerard Garcia <ggarcia@deic.uab.cat> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | Merge tag 'nfc-next-4.12-1' of ↵David S. Miller2017-04-211-0/+1
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next Samuel Ortiz says: ==================== NFC 4.12 pull request This is the NFC pull request for 4.12. We have: - Improvements for the pn533 command queue handling and device registration order. - Removal of platform data for the pn544 and st21nfca drivers. - Additional device tree options to support more trf7970a hardware options. - Support for Sony's RC-S380P through the port100 driver. - Removal of the obsolte nfcwilink driver. - Headers inclusion cleanups (miscdevice.h, unaligned.h) for many drivers. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | NFC: Add nfc_dbg() macroAndy Shevchenko2017-04-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In some cases nfc_dbg() is useful. Add such macro to a header. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* | | | | | bonding: fix wq initialization for links created via netlinkMahesh Bandewar2017-04-211-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Earlier patch 4493b81bea ("bonding: initialize work-queues during creation of bond") moved the work-queue initialization from bond_open() to bond_create(). However this caused the link those are created using netlink 'create bond option' (ip link add bondX type bond); create the new trunk without initializing work-queues. Prior to the above mentioned change, ndo_open was in both paths and things worked correctly. The consequence is visible in the report shared by Joe Stringer - I've noticed that this patch breaks bonding within namespaces if you're not careful to perform device cleanup correctly. Here's my repro script, you can run on any net-next with this patch and you'll start seeing some weird behaviour: ip netns add foo ip li add veth0 type veth peer name veth0+ netns foo ip li add veth1 type veth peer name veth1+ netns foo ip netns exec foo ip li add bond0 type bond ip netns exec foo ip li set dev veth0+ master bond0 ip netns exec foo ip li set dev veth1+ master bond0 ip netns exec foo ip addr add dev bond0 192.168.0.1/24 ip netns exec foo ip li set dev bond0 up ip li del dev veth0 ip li del dev veth1 The second to last command segfaults, last command hangs. rtnl is now permanently locked. It's not a problem if you take bond0 down before deleting veths, or delete bond0 before deleting veths. If you delete either end of the veth pair as per above, either inside or outside the namespace, it hits this problem. Here's some kernel logs: [ 1221.801610] bond0: Enslaving veth0+ as an active interface with an up link [ 1224.449581] bond0: Enslaving veth1+ as an active interface with an up link [ 1281.193863] bond0: Releasing backup interface veth0+ [ 1281.193866] bond0: the permanent HWaddr of veth0+ - 16:bf:fb:e0:b8:43 - is still in use by bond0 - set the HWaddr of veth0+ to a different address to avoid conflicts [ 1281.193867] ------------[ cut here ]------------ [ 1281.193873] WARNING: CPU: 0 PID: 2024 at kernel/workqueue.c:1511 __queue_delayed_work+0x13f/0x150 [ 1281.193873] Modules linked in: bonding veth openvswitch nf_nat_ipv6 nf_nat_ipv4 nf_nat autofs4 nfsd auth_rpcgss nfs_acl binfmt_misc nfs lockd grace sunrpc fscache ppdev vmw_balloon coretemp psmouse serio_raw vmwgfx ttm drm_kms_helper vmw_vmci netconsole parport_pc configfs drm i2c_piix4 fb_sys_fops syscopyarea sysfillrect sysimgblt shpchp mac_hid nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack libcrc32c lp parport hid_generic usbhid hid mptspi mptscsih e1000 mptbase ahci libahci [ 1281.193905] CPU: 0 PID: 2024 Comm: ip Tainted: G W 4.10.0-bisect-bond-v0.14 #37 [ 1281.193906] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/30/2014 [ 1281.193906] Call Trace: [ 1281.193912] dump_stack+0x63/0x89 [ 1281.193915] __warn+0xd1/0xf0 [ 1281.193917] warn_slowpath_null+0x1d/0x20 [ 1281.193918] __queue_delayed_work+0x13f/0x150 [ 1281.193920] queue_delayed_work_on+0x27/0x40 [ 1281.193929] bond_change_active_slave+0x25b/0x670 [bonding] [ 1281.193932] ? synchronize_rcu_expedited+0x27/0x30 [ 1281.193935] __bond_release_one+0x489/0x510 [bonding] [ 1281.193939] ? addrconf_notify+0x1b7/0xab0 [ 1281.193942] bond_netdev_event+0x2c5/0x2e0 [bonding] [ 1281.193944] ? netconsole_netdev_event+0x124/0x190 [netconsole] [ 1281.193947] notifier_call_chain+0x49/0x70 [ 1281.193948] raw_notifier_call_chain+0x16/0x20 [ 1281.193950] call_netdevice_notifiers_info+0x35/0x60 [ 1281.193951] rollback_registered_many+0x23b/0x3e0 [ 1281.193953] unregister_netdevice_many+0x24/0xd0 [ 1281.193955] rtnl_delete_link+0x3c/0x50 [ 1281.193956] rtnl_dellink+0x8d/0x1b0 [ 1281.193960] rtnetlink_rcv_msg+0x95/0x220 [ 1281.193962] ? __kmalloc_node_track_caller+0x35/0x280 [ 1281.193964] ? __netlink_lookup+0xf1/0x110 [ 1281.193966] ? rtnl_newlink+0x830/0x830 [ 1281.193967] netlink_rcv_skb+0xa7/0xc0 [ 1281.193969] rtnetlink_rcv+0x28/0x30 [ 1281.193970] netlink_unicast+0x15b/0x210 [ 1281.193971] netlink_sendmsg+0x319/0x390 [ 1281.193974] sock_sendmsg+0x38/0x50 [ 1281.193975] ___sys_sendmsg+0x25c/0x270 [ 1281.193978] ? mem_cgroup_commit_charge+0x76/0xf0 [ 1281.193981] ? page_add_new_anon_rmap+0x89/0xc0 [ 1281.193984] ? lru_cache_add_active_or_unevictable+0x35/0xb0 [ 1281.193985] ? __handle_mm_fault+0x4e9/0x1170 [ 1281.193987] __sys_sendmsg+0x45/0x80 [ 1281.193989] SyS_sendmsg+0x12/0x20 [ 1281.193991] do_syscall_64+0x6e/0x180 [ 1281.193993] entry_SYSCALL64_slow_path+0x25/0x25 [ 1281.193995] RIP: 0033:0x7f6ec122f5a0 [ 1281.193995] RSP: 002b:00007ffe69e89c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1281.193997] RAX: ffffffffffffffda RBX: 00007ffe69e8dd60 RCX: 00007f6ec122f5a0 [ 1281.193997] RDX: 0000000000000000 RSI: 00007ffe69e89c90 RDI: 0000000000000003 [ 1281.193998] RBP: 00007ffe69e89c90 R08: 0000000000000000 R09: 0000000000000003 [ 1281.193999] R10: 00007ffe69e89a10 R11: 0000000000000246 R12: 0000000058f14b9f [ 1281.193999] R13: 0000000000000000 R14: 00000000006473a0 R15: 00007ffe69e8e450 [ 1281.194001] ---[ end trace 713a77486cbfbfa3 ]--- Fixes: 4493b81bea ("bonding: initialize work-queues during creation of bond") Reported-by: Joe Stringer <joe@ovn.org> Tested-by: Joe Stringer <joe@ovn.org> Signed-off-by: Mahesh Bandewar <maheshb@google.com> Acked-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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