[net-next] arp: add macro to get drop_gratuitous_arp setting

Add macro IN_DEV_DROP_GRATUITOUS_ARP to facilitate getting drop_gratuitous_arp value. Signed-off-by: Zhang Shengju --- include/linux/inetdevice.h | 3 +++ net/ipv4/arp.c | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git

Re: [PATCH v2] can: rcar_canfd: Add Renesas R-Car CAN FD driver

On 03/07/2016 09:32 AM, Ramesh Shanmugasundaram wrote: > + /* Ensure channel starts in FD mode */ > + if (!(priv->can.ctrlmode & CAN_CTRLMODE_FD)) { > + netdev_err(ndev, "enable can fd mode for channel %d\n", ch); > + goto fail_mode; > + } What's

Re: [RFC/RFT] mac80211: implement fq_codel for software queuing

On 7 March 2016 at 19:28, Dave Taht wrote: > On Mon, Mar 7, 2016 at 9:14 AM, Avery Pennarun wrote: >> On Mon, Mar 7, 2016 at 11:54 AM, Dave Taht wrote: [...] >>> the underlying code needs to be striving successfully for per-station

Re: [PATCH v3 0/8] arm64: rockchip: Initial GeekBox enablement

Hi Dinh, On 3/8/2016 12:22 AM, Dinh Nguyen wrote: [snip] I'm seeing the same issue on the SoCFPGA platform: libphy: PHY stmmac-0: not found eth0: Could not attach to PHY stmmac_open: Cannot attach to PHY (error: -19) If I just revert: "stmmac: Fix 'eth0: No PHY found' regression"

Re: [PATCH net 4/4] net: hns: remove useless head=ring->next_to_clean

On Tue, 2016-03-08 at 11:52 +0800, Lisheng wrote: > From: Qianqian Xie > > The variable head in hns_nic_tx_fini_pro has read a value, > but the value is not used. The patch will solve it. > > Signed-off-by: Qianqian Xie > --- >  

Re: [RFC/RFT] mac80211: implement fq_codel for software queuing

On 8 March 2016 at 00:06, Dave Taht wrote: > Dear Michal: > > Going through this patchset... (while watching it compile) > > > + if (!local->hw.txq_cparams.target) > + local->hw.txq_cparams.target = MS2TIME(5); > > MS2TIME(20) for now and/or add something

RE: [net-next:master 1058/1060] qede_main.c:undefined reference to `tcp_gro_complete'

> -Original Message- > From: kbuild test robot [mailto:fengguang...@intel.com] > Sent: Tuesday, March 08, 2016 6:45 AM > To: Manish Chopra > Cc: kbuild-...@01.org; netdev ; Yuval Mintz > > Subject: [net-next:master

Re: [PATCH 0/3] net: macb: Fix coding style issues

Hi, On Monday 07 March 2016 08:17:36, Moritz Fischer wrote: > this series deals with most of the checkpatch warnings > generated for macb. There are two BUG_ON()'s that I didn't touch, yet, > that were suggested by checkpatch, that I can address in a follow up > commit if needed. I think

Re: [PATCH net-next 2/3] ipv6: per netns fib6 walkers

On Mon, Mar 07, 2016 at 04:28:26PM -0800, Cong Wang wrote: > On Mon, Mar 7, 2016 at 4:26 PM, Cong Wang wrote: > > On Fri, Mar 4, 2016 at 2:59 AM, Michal Kubecek wrote: > >> static void ipv6_route_seq_setup_walk(struct ipv6_route_iter *iter) > >> { >

[PATCH v2 net-next 05/12] bpf: convert stackmap to pre-allocation

It was observed that calling bpf_get_stackid() from a kprobe inside slub or from spin_unlock causes similar deadlock as with hashmap, therefore convert stackmap to use pre-allocated memory. The call_rcu is no longer feasible mechanism, since delayed freeing causes bpf_get_stackid() to fail

[PATCH v2 net-next 04/12] bpf: check for reserved flag bits in array and stack maps

Suggested-by: Daniel Borkmann Signed-off-by: Alexei Starovoitov --- kernel/bpf/arraymap.c | 2 +- kernel/bpf/stackmap.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index

[PATCH v2 net-next 03/12] bpf: pre-allocate hash map elements

If kprobe is placed on spin_unlock then calling kmalloc/kfree from bpf programs is not safe, since the following dead lock is possible: kfree->spin_lock(kmem_cache_node->lock)...spin_unlock->kprobe-> bpf_prog->map_update->kmalloc->spin_lock(of the same kmem_cache_node->lock) and deadlocks. The

[PATCH v2 net-next 09/12] samples/bpf: test both pre-alloc and normal maps

extend test coveraged to include pre-allocated and run-time alloc maps Signed-off-by: Alexei Starovoitov --- samples/bpf/test_maps.c | 10 +- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/samples/bpf/test_maps.c b/samples/bpf/test_maps.c index

[PATCH v2 net-next 01/12] bpf: prevent kprobe+bpf deadlocks

if kprobe is placed within update or delete hash map helpers that hold bucket spin lock and triggered bpf program is trying to grab the spinlock for the same bucket on the same cpu, it will deadlock. Fix it by extending existing recursion prevention mechanism. Note, map_lookup and other tracing

[PATCH v2 net-next 02/12] bpf: introduce percpu_freelist

Introduce simple percpu_freelist to keep single list of elements spread across per-cpu singly linked lists. /* push element into the list */ void pcpu_freelist_push(struct pcpu_freelist *, struct pcpu_freelist_node *); /* pop element from the list */ struct pcpu_freelist_node

[PATCH v2 net-next 08/12] samples/bpf: add map_flags to bpf loader

note old loader is compatible with new kernel. map_flags are optional Signed-off-by: Alexei Starovoitov --- samples/bpf/bpf_helpers.h | 1 + samples/bpf/bpf_load.c | 3 ++- samples/bpf/fds_example.c | 2 +- samples/bpf/libbpf.c| 5 +++--

[PATCH v2 net-next 06/12] samples/bpf: make map creation more verbose

map creation is typically the first one to fail when rlimits are too low, not enough memory, etc Make this failure scenario more verbose Signed-off-by: Alexei Starovoitov --- samples/bpf/bpf_load.c | 5 - 1 file changed, 4 insertions(+), 1 deletion(-) diff --git

[PATCH v2 net-next 07/12] samples/bpf: move ksym_search() into library

move ksym search from offwaketime into library to be reused in other tests Signed-off-by: Alexei Starovoitov --- samples/bpf/bpf_load.c | 62 ++ samples/bpf/bpf_load.h | 6 samples/bpf/offwaketime_user.c | 67

[PATCH v2 net-next 0/12] bpf: map pre-alloc

v1->v2: . fix few issues spotted by Daniel . converted stackmap into pre-allocation as well . added a workaround for lockdep false positive . added pcpu_freelist_populate to be used by hashmap and stackmap this path set switches bpf hash map to use pre-allocation by default and introduces

Re: linux-next: manual merge of the crypto tree with the net-next tree

Hi David, On Mon, 07 Mar 2016 11:08:25 + David Howells wrote: > > Stephen Rothwell wrote: > > > Today's linux-next merge of the crypto tree got a conflict in: > > > > net/rxrpc/rxkad.c > > > > between commit: > > > > 0d12f8a4027d ("rxrpc:

[PATCH] include/net/inet_connection_sock.h: Use pr_devel() instead of pr_debug()

When DYNAMIC_DEBUG enabled, pr_debug() depends on KBUILD_MODNAME which also depends on the modules name in Makefile. Refer to the information in "scripts/Makefile.lib": # $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will # end up in (or would, if it gets compiled in) #

Re: [PATCH next 3/3] net: Use l3_dev instead of skb->dev for L3 processing

On Fri, Mar 4, 2016 at 2:12 PM, Mahesh Bandewar wrote: > > Unfortunately we don't have a way to switch to ns after L3 processing. I am totally aware of this, this is exactly why I said this might not be easy. The question is how hard it is to implement one? My gut feeling is

[PATCH net-next 4/4] cxgb4vf: Set number of queues in pci probe only

Signed-off-by: Hariprasad Shenai --- .../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c|8 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c

[PATCH net-next 0/4] cxgb4vf: Interrupt and queue configuration changes

Hi, This series fixes some issues and some changes in the queue and interrupt configuration for cxgb4vf driver. We need to enable interrupts before we register our network device, so that we don't loose link up interrupts. Allocate rx queues based on interrupt type. Set number of tx/rx queues in

[PATCH net-next 2/4] cxgb4vf: Configure queue based on resource and interrupt type

The Queue Set Configuration code was always reserving room for a Forwarded interrupt Queue even in the cases where we weren't using it. Figure out how many Ports and Queue Sets we can support. This depends on knowing our Virtual Function Resources and may be called a second time if we fall back

[PATCH net-next 3/4] cxgb4vf: Add a couple more checks for invalid provisioning configurations

Signed-off-by: Hariprasad Shenai --- .../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c|5 + 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c

[PATCH net-next 1/4] cxgb4vf: Enable interrupts before we register our network devices

This avoids a race condition where a system that has network devices set up to be automatically configured and we get the first Port Link Status message from the firmware on the Asynchronous Firmware Event Queue before we've enabled interrupts. If that happens, we end up losing the interrupt and

Re: 4.1.12 kernel crash in rtnetlink_put_metrics

> Hmm, if it was 4.1.X like in original reporter case, I might have thought > something like commit 0a1f59620068 ("ipv6: Initialize rt6_info properly > in ip6_blackhole_route()") ... any chance on reproducing this on a latest > kernel? > Unfortunately, I haven't encountered a similar crash on

Re: [PATCH net] sctp: fix copying more bytes than expected in sctp_add_bind_addr

From: Marcelo Ricardo Leitner Date: Mon, 7 Mar 2016 20:27:11 -0300 > Hi, > > Em 07-03-2016 20:17, kbuild test robot escreveu: >> Hi Marcelo, >> >> [auto build test WARNING on net/master] >> >> url: >>

Re: [PATCH 01/11] rxrpc: Add a common object cache

From: David Howells Date: Mon, 07 Mar 2016 22:45:14 + > David Miller wrote: > >> I know you put a lot of time and effort into this, but I want to strongly >> recommend against a garbage collected hash table for anything whatsoever. >> >>

[PATCH net 0/4] net: hns: bugs fix about hns driver

From: Qianqian Xie There is some inappropriate application of values in hns driver, such as cycle index, returned value, format string, useless citation. This patch set will solve it. Qianqian Xie (4): net: hns: fix a bug for cycle index net: hns: bug fix for format

[PATCH net 1/4] net: hns: fix a bug for cycle index

From: Qianqian Xie The cycle index should be varied while the variable j is a fixed value. The patch will fix this bug. Signed-off-by: Qianqian Xie --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c | 12 ++-- 1 file changed, 6

[PATCH net 2/4] net: hns: bug fix for format string

From: Qianqian Xie There is not a format string in function snprinf(). This patch will fix it. Signed-off-by: Qianqian Xie --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git

[PATCH net 4/4] net: hns: remove useless head=ring->next_to_clean

From: Qianqian Xie The variable head in hns_nic_tx_fini_pro has read a value, but the value is not used. The patch will solve it. Signed-off-by: Qianqian Xie --- drivers/net/ethernet/hisilicon/hns/hns_enet.c | 4 +--- 1 file changed, 1

[PATCH net 3/4] net: hns: bug fix for return values

From: Qianqian Xie The return values in the first two functions mdiobus_write() are ignored. The patch will fix it. Signed-off-by: Qianqian Xie --- drivers/net/ethernet/hisilicon/hns/hns_ethtool.c | 4 ++-- 1 file changed, 2 insertions(+), 2

[PATCH net] net: hns: set xge statistic reg as read only

From: Qianqian Xie As the user manual describs, XGE_DFX_CTRL_CFG.xge_dfx_ctrl_cfg should be configed as zero if we want xge statistic reg to be read only. But the older hisilicon arm64 process gets the other meanings. So it seems that we need to identify the process and

[ethtool PATCH v4 08/11] kernel-copy.h: import kernel.h from net-next and use it

From: David Decotigny This is required for recent version of ethtool.h . This covers kernel.h up to: commit b5d3755a22e0cc4c369c0985aef0c52c2477c1e7 Author: Nicolas Dichtel Date: Fri Mar 4 11:52:16 2016 +0100 uapi: define

[ethtool PATCH v4 10/11] ethtool.c: add support for ETHTOOL_xLINKSETTINGS ioctls

From: David Decotigny More info with kernel SHA1: 8d3f2806f8fbd9b22 "Merge branch 'ethtool-ksettings'". Signed-off-by: David Decotigny --- ethtool.c | 682 +++-- internal.h | 67 ++

[ethtool PATCH v4 07/11] test-features.c: add braces around array initialization

From: Maciej Żenczykowski This fixes: test-features.c:21:1: error: missing braces around initializer [-Werror=missing-braces] cmd_gssetinfo = { { ETHTOOL_GSSET_INFO, 0, 1ULL << ETH_SS_FEATURES }, 34 }; ^ Signed-off-by: Maciej Żenczykowski

[ethtool PATCH v4 06/11] test-common.c: fix test_realloc(NULL, ...)

From: Maciej Żenczykowski This fixes: test-common.c: In function 'test_realloc': test-common.c:109:8: error: 'block' may be used uninitialized in this function [-Werror=maybe-uninitialized] block = realloc(block, sizeof(*block) + size); ^ Signed-off-by:

[ethtool PATCH v4 09/11] ethtool-copy.h: sync with net-next

From: David Decotigny This cover changes up to: commit 14e2037902d65213842b4e40305ff54a64abbcb6 Author: Nicolas Dichtel Date: Fri Mar 4 11:52:19 2016 +0100 ethtool.h: define INT_MAX for userland Signed-off-by: David Decotigny

[ethtool PATCH v4 03/11] ethtool.c: fix dump_regs heap corruption

From: David Decotigny The 'regs' pointer is owned by do_gregs(), but updated internally inside dump_regs() without propagating it back to do_gregs(): later free(regs) in do_gregs() reclaims the wrong area. This commit moves the realloc() inside do_gregs(). Signed-off-by:

[ethtool PATCH v4 05/11] marvell.c: fix strict alias warnings

From: Maciej Żenczykowski Addresses the following warnings: marvell.c:426:2: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] marvell.c:427:2: error: dereferencing type-punned pointer will break strict-aliasing rules

[ethtool PATCH v4 02/11] ethtool.c: don't ignore fread() return value

From: David Decotigny This addresses: ethtool.c:1116:8: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] Signed-off-by: David Decotigny --- ethtool.c | 5 - 1 file changed, 4 insertions(+),

[ethtool PATCH v4 04/11] ethtool.c: do_seeprom checks for params & stdin sanity

From: David Decotigny Tested: On qemu e1000: $ dd if=/dev/zero bs=2 count=5 | /mnt/ethtool -E eth0 length 9 too much data from stdin $ dd if=/dev/zero bs=2 count=5 | /mnt/ethtool -E eth0 length 11 not enough data from stdin $ dd if=/dev/zero bs=2 count=5 |

[ethtool PATCH v4 11/11] ethtool.c: support absence of v4 sockets

From: David Decotigny Signed-off-by: David Decotigny --- ethtool.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/ethtool.c b/ethtool.c index 761252f..f9336e3 100644 --- a/ethtool.c +++ b/ethtool.c @@ -4615,6 +4615,9 @@ opt_found:

[ethtool PATCH v4 00/11] add support for new ETHTOOL_xLINKSETTINGS ioctls

From: David Decotigny This adds support for the new ETHTOOL_xLINKSETTINGS ioctls. This also fixes a few compilation warnings as well as a heap corruption bug. History: v4 review Ben Hutchings: using AF_UNIX instead of INET6 in the absence of v4 sockets use

[ethtool PATCH v4 01/11] internal.h: change to new sane kernel headers on 64-bit archs

From: Maciej Żenczykowski On ppc64, this fixes: In file included from ethtool-copy.h:22:0, from internal.h:32, from ethtool.c:29: .../include/linux/types.h:32:25: error: conflicting types for '__be64' typedef __u64 __bitwise __be64;

[PATCHv2 net] bridge: a netlink notification should be sent whenever those attributes change

Now when we change the attributes of bridge or br_port by netlink, a relevant netlink notification will be sent, but if we change them by ioctl or sysfs, no notification will be sent. we should ensure that whenever those attributes change internally or from sysfs/ioctl, that a netlink

Re: [PATCH net] sctp: use gfp insteaad of GFP_NOWAIT in idr_alloc_cyclic when sctp_assoc_set_id

On Mon, Mar 7, 2016 at 7:21 AM, Eric Dumazet wrote: > What is the problem of being not able to allocate memory at this point ? > Now I think about it again, this patch cannot work, because of: __sctp_connect() sctp_assoc_set_id(asoc, GFP_KERNEL) thanks, Eric > If

'ip tunnel add' uses the wrong interface name on error

'ip tunnel add' uses the wrong interface name in its error output. For example, if the requested interface already exists: -- [jwm@boost:pts/8 ~> sudo ip tunnel add sit1 mode sit remote 10.10.10.11 local 10.10.10.10 add tunnel "sit0" failed: No buffer space available --

[RFC PATCH net-next v2] tcp: Add RFC4898 tcpEStatsPerfDataSegsOut/In

v2: Rework based on recent fix by Eric: commit a9d99ce28ed3 ("tcp: fix tcpi_segs_in after connection establishment") v1: Per RFC4898, they count segments sent/received containing a positive length data segment (that includes retransmission segments carrying data). Unlike tcpi_segs_out/in,

Re: [PATCH v5 net-next] net: Implement fast csum_partial for x86_64

On Mon, Mar 7, 2016 at 4:07 PM, Tom Herbert wrote: > > As I said previously, if alignment really is a factor then we can > check up front if a buffer crosses a page boundary and call the slow > path function (original code). I'm seeing a 1 nsec hit to add this > check. It

Re: [PATCH v2 net-next 11/13] kcm: Add memory limit for receive message construction

On (03/07/16 14:11), Tom Herbert wrote: > > Message assembly is performed on the TCP socket. This is logically > equivalent of an application that performs a peek on the socket to find > out how much memory is needed for a receive buffer. The receive socket > buffer also provides the maximum

[net-next:master 1058/1060] qede_main.c:undefined reference to `tcp_gro_complete'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master head: d66ab51442211158b677c2f12310c314d9587f74 commit: 55482edc25f0606851de42e73618f813f310d009 [1058/1060] qede: Add slowpath/fastpath support and enable hardware GRO config: x86_64-randconfig-s0-03080757

Re: [PATCH v5 net-next] net: Implement fast csum_partial for x86_64

On Mon, Mar 7, 2016 at 4:49 PM, Alexander Duyck wrote: > On Mon, Mar 7, 2016 at 4:07 PM, Tom Herbert wrote: >> On Mon, Mar 7, 2016 at 3:52 PM, Alexander Duyck >> wrote: >>> On Mon, Mar 7, 2016 at 9:33 AM, Tom Herbert

Re: [PATCH v5 net-next] net: Implement fast csum_partial for x86_64

On Mon, Mar 7, 2016 at 4:07 PM, Tom Herbert wrote: > On Mon, Mar 7, 2016 at 3:52 PM, Alexander Duyck > wrote: >> On Mon, Mar 7, 2016 at 9:33 AM, Tom Herbert wrote: >>> On Mon, Mar 7, 2016 at 5:56 AM, David Laight

linux-next: manual merge of the net-next tree with the net tree

Hi all, Today's linux-next merge of the net-next tree got a conflict in: net/tipc/subscr.c between commit: 4de13d7ed6ff ("tipc: fix nullptr crash during subscription cancel") from the net tree and commit: 7c13c6224123 ("tipc: introduce tipc_subscrb_subscribe() routine") (and following

Re: [PATCH net-next 2/3] ipv6: per netns fib6 walkers

On Mon, Mar 7, 2016 at 4:26 PM, Cong Wang wrote: > On Fri, Mar 4, 2016 at 2:59 AM, Michal Kubecek wrote: >> static void ipv6_route_seq_setup_walk(struct ipv6_route_iter *iter) >> { >> +#ifdef CONFIG_NET_NS >> + struct net *net = iter->p.net; >>

Re: [PATCH net-next 2/3] ipv6: per netns fib6 walkers

On Fri, Mar 4, 2016 at 2:59 AM, Michal Kubecek wrote: > static void ipv6_route_seq_setup_walk(struct ipv6_route_iter *iter) > { > +#ifdef CONFIG_NET_NS > + struct net *net = iter->p.net; > +#else > + struct net *net = _net; > +#endif > + You should pass the struct

[PATCH 4/5] ti: wl1251: Convert wl1251_notice to wiphy_info/pr_info

Use the more common logging mechanisms. Convert to wiphy_info as these wl1251_notice uses were actually emitted at KERN_INFO. Signed-off-by: Joe Perches --- drivers/net/wireless/ti/wl1251/main.c | 4 ++-- drivers/net/wireless/ti/wl1251/sdio.c | 2 +-

[PATCH 2/5] ti: wl1251: Convert wl1251_error to wiphy_err/pr_err

Use the more common logging mechanisms. Miscellanea: o Coalesce formats o Realign arguments o Reflow to fit 80 columns o Add #define pr_fmt when pr_ is used Signed-off-by: Joe Perches --- drivers/net/wireless/ti/wl1251/acx.c| 6 ++---

[PATCH 5/5] ti: wl1251: Convert wl1251_info to wl1251_debug

These logging messages are always emitted at KERN_DEBUG. Add a DEBUG_ALWAYS enum to the debug type enum and convert the macro and uses from wl1251_info( to wl1251_debug(DEBUG_ALWAYS, Miscellanea: o Remove the now unused wl1251_info macro Signed-off-by: Joe Perches ---

[PATCH 3/5] ti: wl1251: Convert wl1251_warning to wiphy_warn

Use the more common logging mechanism. Miscellanea: o Coalesce formats o Realign arguments o Reflow to fit 80 columns Signed-off-by: Joe Perches --- drivers/net/wireless/ti/wl1251/acx.c| 91 - drivers/net/wireless/ti/wl1251/cmd.c| 10

[PATCH 1/5] ti: Convert wl1271_ logging macros to dev_ or pr_

Use the more common logging mechanism passing wl->dev where appropriate. Remove the macros. Add argument struct wl1271 *wl to some functions to make these logging mechanisms work. Miscellanea: o Coalesce formats, add required trailing \n to formats Some formats already had previously

[PATCH 0/5] wireless: ti: Convert specialized logging macros to kernel style

Using the normal kernel logging mechanisms makes this code a bit more like other wireless drivers. Joe Perches (5): ti: Convert wl1271_ logging macros to dev_ or pr_ ti: wl1251: Convert wl1251_error to wiphy_err/pr_err ti: wl1251: Convert wl1251_warning to wiphy_warn ti: wl1251: Convert

Re: [PATCH v5 net-next] net: Implement fast csum_partial for x86_64

On Mon, Mar 7, 2016 at 3:52 PM, Alexander Duyck wrote: > On Mon, Mar 7, 2016 at 9:33 AM, Tom Herbert wrote: >> On Mon, Mar 7, 2016 at 5:56 AM, David Laight wrote: >>> From: Alexander Duyck >>> ... Actually probably

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US$23,200,000.00 Million Transaction, for further detail's contact me via my personal e- mail: ms_teresa_...@outlook.com

Re: Unexpected tcpv6 connection resets since linux 4.4

Cc'ing netdev On Sun, Mar 6, 2016 at 7:10 AM, Andreas Messer wrote: > Hi there, > > i have updated two of my machines in the last weeks to linux 4.4.1 and linux > 4.4.3. It seems that since then i get unexpected TCPv6 connection resets when > connecting to these machines

Re: [PATCH v5 net-next] net: Implement fast csum_partial for x86_64

On Mon, Mar 7, 2016 at 9:33 AM, Tom Herbert wrote: > On Mon, Mar 7, 2016 at 5:56 AM, David Laight wrote: >> From: Alexander Duyck >> ... >>> Actually probably the easiest way to go on x86 is to just replace the >>> use of len with (len >> 6) and

Re: [net-next PATCH 3/4] vxlan: Enforce IP ID verification on outer headers

On Mon, Mar 7, 2016 at 3:06 PM, Alex Duyck wrote: > On Mon, Mar 7, 2016 at 11:09 AM, David Miller wrote: >> From: Or Gerlitz >> Date: Mon, 7 Mar 2016 20:05:20 +0200 >> >>> On Mon, Mar 7, 2016 at 7:22 PM, Alexander Duyck

Re: 4.1.12 kernel crash in rtnetlink_put_metrics

On 03/07/2016 11:15 PM, subas...@codeaurora.org wrote: On , Daniel Borkmann wrote: Hi Andrew, thanks for the report! ( Making the trace a bit more readable ... ) [41358.475254]BUG:unable to handle kernel NULL pointer dereference at (null) [41358.475333]IP:[]rtnetlink_put_metrics+0x50/0x180

Re: [PATCH net] sctp: fix copying more bytes than expected in sctp_add_bind_addr

Hi, Em 07-03-2016 20:17, kbuild test robot escreveu: Hi Marcelo, [auto build test WARNING on net/master] url: https://github.com/0day-ci/linux/commits/Marcelo-Ricardo-Leitner/sctp-fix-copying-more-bytes-than-expected-in-sctp_add_bind_addr/20160308-052009 coccinelle warnings: (new ones

[PATCH net-next] net: dsa: mv88e6xxx: avoid writing the same mode

There is no need to change the 802.1Q port mode for the same value. Thus avoid such message: [ 401.954836] dsa dsa@0 lan0: 802.1Q Mode: Disabled (was Disabled) Signed-off-by: Vivien Didelot --- drivers/net/dsa/mv88e6xxx.c | 21 + 1

[PATCH net-next] net: dsa: mv88e6xxx: rework port state setter

Apply a few non-functional changes on the port state setter: * add a dynamic debug message with state names to track changes * explicit states checking instead of assuming their numeric values * lock mutex only once when changing several port states * use bitmap macros to declare and

[PATCH net-next] net: dsa: mv88e6xxx: read then write PVID

The port register 0x07 contains more options than just the default VID, even though they are not used yet. So prefer a read then write operation over a direct write. This also allows to keep track of the change through dynamic debug. Signed-off-by: Vivien Didelot

Re: [PATCH v3 0/8] arm64: rockchip: Initial GeekBox enablement

On Mon, Mar 7, 2016 at 11:15 AM, Andreas Färber wrote: > Am 07.03.2016 um 16:52 schrieb Giuseppe CAVALLARO: >> On 3/7/2016 4:46 PM, Andreas Färber wrote: >>> Am 07.03.2016 um 16:09 schrieb Giuseppe CAVALLARO: On 3/7/2016 3:27 PM, Andreas Färber wrote: > Indeed,

Re: [PATCH net] sctp: fix copying more bytes than expected in sctp_add_bind_addr

Hi Marcelo, [auto build test WARNING on net/master] url: https://github.com/0day-ci/linux/commits/Marcelo-Ricardo-Leitner/sctp-fix-copying-more-bytes-than-expected-in-sctp_add_bind_addr/20160308-052009 coccinelle warnings: (new ones prefixed by >>) >> net/sctp/bind_addr.c:458:42-48:

[PATCH] sctp: fix noderef.cocci warnings

net/sctp/bind_addr.c:458:42-48: ERROR: application of sizeof to pointer sizeof when applied to a pointer typed expression gives the size of the pointer Generated by: scripts/coccinelle/misc/noderef.cocci CC: Marcelo Ricardo Leitner Signed-off-by: Fengguang Wu

Re: Question on switchdev

On 03/03/2016 05:32 PM, Murali Karicheri wrote: > On 02/29/2016 05:29 PM, Andrew Lunn wrote: >> On Mon, Feb 29, 2016 at 04:43:16PM -0500, Murali Karicheri wrote: >> >> Hi Murali >> >> Please can you get your email client to wrap lines at ~ 75 characters. > Hi Andrew, > > Thanks for responding. I

Re: [RFC/RFT] mac80211: implement fq_codel for software queuing

Dear Michal: Going through this patchset... (while watching it compile) + if (!local->hw.txq_cparams.target) + local->hw.txq_cparams.target = MS2TIME(5); MS2TIME(20) for now and/or add something saner to this than !*backlog target will not be a constant in the long run. +

Re: [net-next PATCH 3/4] vxlan: Enforce IP ID verification on outer headers

On Mon, Mar 7, 2016 at 11:09 AM, David Miller wrote: > From: Or Gerlitz > Date: Mon, 7 Mar 2016 20:05:20 +0200 > >> On Mon, Mar 7, 2016 at 7:22 PM, Alexander Duyck wrote: >>> This change enforces the IP ID verification on outer

Re: [PATCH 01/11] rxrpc: Add a common object cache

David Miller wrote: > I know you put a lot of time and effort into this, but I want to strongly > recommend against a garbage collected hash table for anything whatsoever. > > Especially if the given objects are in some way created/destroyed/etc. by > operations triggerable

[PATCH 2/2] sh_eth: advance 'rxdesc' later in sh_eth_ring_format()

Iff dma_map_single() fails, 'rxdesc' should point to the last filled RX descriptor, so that it can be marked as the last one, however the driver would have already advanced it by that time. In order to fix that, only fill an RX descriptor once all the data for it is ready. Signed-off-by:

[PATCH 1/2] sh_eth: fix NULL pointer dereference in sh_eth_ring_format()

In a low memory situation, if netdev_alloc_skb() fails on a first RX ring loop iteration in sh_eth_ring_format(), 'rxdesc' is still NULL. Avoid kernel oops by adding the 'rxdesc' check after the loop. Reported-by: Wolfram Sang Signed-off-by: Sergei Shtylyov

[PATCH 0/2] sh_eth: fix couple of bugs in sh_eth_ring_format()

Hello. Here's a set of 2 patches against DaveM's 'net.git' repo fixing two bugs in sh_eth_.ring_format()... [1/2] sh_eth: fix NULL pointer dereference in sh_eth_ring_format() [2/2] sh_eth: advance 'rxdesc' later in sh_eth_ring_format() MBR, Sergei

Re: 4.1.12 kernel crash in rtnetlink_put_metrics

On , Daniel Borkmann wrote: Hi Andrew, thanks for the report! ( Making the trace a bit more readable ... ) [41358.475254]BUG:unable to handle kernel NULL pointer dereference at (null) [41358.475333]IP:[]rtnetlink_put_metrics+0x50/0x180 [...] CallTrace:

[PATCH v2 net-next 11/13] kcm: Add memory limit for receive message construction

Message assembly is performed on the TCP socket. This is logically equivalent of an application that performs a peek on the socket to find out how much memory is needed for a receive buffer. The receive socket buffer also provides the maximum message size which is checked. The receive algorithm

[PATCH v2 net-next 09/13] kcm: Splice support

Implement kcm_splice_read. This is supported only for seqpacket. Add kcm_seqpacket_ops and set splice read to kcm_splice_read. Signed-off-by: Tom Herbert --- net/kcm/kcmsock.c | 98 +-- 1 file changed, 96 insertions(+), 2

[PATCH v2 net-next 10/13] kcm: Sendpage support

Implement kcm_sendpage. Set in sendpage to kcm_sendpage in both dgram and seqpacket ops. Signed-off-by: Tom Herbert --- net/kcm/kcmsock.c | 147 +- 1 file changed, 145 insertions(+), 2 deletions(-) diff --git

[PATCH v2 net-next 05/13] net: Walk fragments in __skb_splice_bits

Add walking of fragments in __skb_splice_bits. Signed-off-by: Tom Herbert --- net/core/skbuff.c | 39 --- 1 file changed, 16 insertions(+), 23 deletions(-) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 7af7ec6..0df9f6a 100644

[PATCH v2 net-next 12/13] kcm: Add receive message timeout

This patch adds receive timeout for message assembly on the attached TCP sockets. The timeout is set when a new messages is started and the whole message has not been received by TCP (not in the receive queue). If the completely message is subsequently received the timer is cancelled, if the timer

[PATCH v2 net-next 08/13] kcm: Add statistics and proc interfaces

This patch adds various counters for KCM. These include counters for messages and bytes received or sent, as well as counters for number of attached/unattached TCP sockets and other error or edge events. The statistics are exposed via a proc interface. /proc/net/kcm provides statistics per KCM

[PATCH v2 net-next 13/13] kcm: Add description in Documentation

Add kcm.txt to desribe KCM and interfaces. Signed-off-by: Tom Herbert --- Documentation/networking/kcm.txt | 285 +++ 1 file changed, 285 insertions(+) create mode 100644 Documentation/networking/kcm.txt diff --git

[PATCH v2 net-next 07/13] kcm: Kernel Connection Multiplexor module

This module implements the Kernel Connection Multiplexor. Kernel Connection Multiplexor (KCM) is a facility that provides a message based interface over TCP for generic application protocols. With KCM an application can efficiently send and receive application protocol messages over TCP using

[PATCH v2 net-next 06/13] tcp: Add tcp_inq to get available receive bytes on socket

Create a common kernel function to get the number of bytes available on a TCP socket. This is based on code in INQ getsockopt and we now call the function for that getsockopt. Signed-off-by: Tom Herbert --- include/net/tcp.h | 24 net/ipv4/tcp.c

[PATCH v2 net-next 03/13] net: Allow MSG_EOR in each msghdr of sendmmsg

This patch allows setting MSG_EOR in each individual msghdr passed in sendmmsg. This allows a sendmmsg to send multiple messages when using SOCK_SEQPACKET. Signed-off-by: Tom Herbert --- net/socket.c | 10 ++ 1 file changed, 6 insertions(+), 4 deletions(-) diff

[PATCH v2 net-next 04/13] net: Add MSG_BATCH flag

Add a new msg flag called MSG_BATCH. This flag is used in sendmsg to indicate that more messages will follow (i.e. a batch of messages is being sent). This is similar to MSG_MORE except that the following messages are not merged into one packet, they are sent individually. sendmmsg is updated so

[PATCH v2 net-next 01/13] rcu: Add list_next_or_null_rcu

This is a convenience function that returns the next entry in an RCU list or NULL if at the end of the list. Signed-off-by: Tom Herbert --- include/linux/rculist.h | 21 + 1 file changed, 21 insertions(+) diff --git a/include/linux/rculist.h

[PATCH v2 net-next 02/13] net: Make sock_alloc exportable

Export it for cases where we want to create sockets by hand. Signed-off-by: Tom Herbert --- include/linux/net.h | 1 + net/socket.c| 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/net.h b/include/linux/net.h index

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