- 11 May, 2015 6 commits
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Eric W. Biederman authored
These functions are no longer needed and no longer used kill them. Signed-off-by:
"Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric W. Biederman authored
Utilize the new functionality of sk_alloc so that nothing needs to be done to suprress the reference counting on kernel sockets. Signed-off-by:
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Eric W. Biederman authored
Now that sk_alloc knows when a kernel socket is being allocated modify it to not reference count the network namespace of kernel sockets. Keep track of if a socket needs reference counting by adding a flag to struct sock called sk_net_refcnt. Update all of the callers of sock_create_kern to stop using sk_change_net and sk_release_kernel as those hacks are no longer needed, to avoid reference counting a kernel socket. Signed-off-by:
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Eric W. Biederman authored
In preparation for changing how struct net is refcounted on kernel sockets pass the knowledge that we are creating a kernel socket from sock_create_kern through to sk_alloc. Signed-off-by:
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Eric W. Biederman authored
This is long overdue, and is part of cleaning up how we allocate kernel sockets that don't reference count struct net. Signed-off-by:
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Eric W. Biederman authored
There is no need for tun to do the weird network namespace refcounting. The existing network namespace refcounting in tfile has almost exactly the same lifetime. So rewrite the code to use the struct sock network namespace refcounting and remove the unnecessary hand rolled network namespace refcounting and the unncesary tfile->net. This change allows the tun code to directly call sock_put bypassing sock_release and making SOCK_EXTERNALLY_ALLOCATED unnecessary. Remove the now unncessary tun_release so that if anything tries to use the sock_release code path the kernel will oops, and let us know about the bug. The macvtap code already uses it's internal socket this way. Signed-off-by:
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- 10 May, 2015 14 commits
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Eric Dumazet authored
For DCTCP or similar ECN based deployments on fabrics with shallow buffers, hosts are responsible for a good part of the buffering. This patch adds an optional ce_threshold to codel & fq_codel qdiscs, so that DCTCP can have feedback from queuing in the host. A DCTCP enabled egress port simply have a queue occupancy threshold above which ECT packets get CE mark. In codel language this translates to a sojourn time, so that one doesn't have to worry about bytes or bandwidth but delays. This makes the host an active participant in the health of the whole network. This also helps experimenting DCTCP in a setup without DCTCP compliant fabric. On following example, ce_threshold is set to 1ms, and we can see from 'ldelay xxx us' that TCP is not trying to go around the 5ms codel target. Queue has more capacity to absorb inelastic bursts (say from UDP traffic), as queues are maintained to an optimal level. lpaa23:~# ./tc -s -d qd sh dev eth1 qdisc mq 1: dev eth1 root Sent 87910654696 bytes 58065331 pkt (dropped 0, overlimits 0 requeues 42961) backlog 3108242b 364p requeues 42961 qdisc codel 8063: dev eth1 parent 1:1 limit 1000p target 5.0ms ce_threshold 1.0ms interval 100.0ms Sent 7363778701 bytes 4863809 pkt (dropped 0, overlimits 0 requeues 5503) rate 2348Mbit 193919pps backlog 255866b 46p requeues 5503 count 0 lastcount 0 ldelay 1.0ms drop_next 0us maxpacket 68130 ecn_mark 0 drop_overlimit 0 ce_mark 72384 qdisc codel 8064: dev eth1 parent 1:2 limit 1000p target 5.0ms ce_threshold 1.0ms interval 100.0ms Sent 7636486190 bytes 5043942 pkt (dropped 0, overlimits 0 requeues 5186) rate 2319Mbit 191538pps backlog 207418b 64p requeues 5186 count 0 lastcount 0 ldelay 694us drop_next 0us maxpacket 68130 ecn_mark 0 drop_overlimit 0 ce_mark 69873 qdisc codel 8065: dev eth1 parent 1:3 limit 1000p target 5.0ms ce_threshold 1.0ms interval 100.0ms Sent 11569360142 bytes 7641602 pkt (dropped 0, overlimits 0 requeues 5554) rate 3041Mbit 251096pps backlog 210446b 59p requeues 5554 count 0 lastcount 0 ldelay 889us drop_next 0us maxpacket 68130 ecn_mark 0 drop_overlimit 0 ce_mark 37780 ... Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Florian Westphal <fw@strlen.de> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Glenn Judd <glenn.judd@morganstanley.com> Cc: Nandita Dukkipati <nanditad@google.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Yuchung Cheng <ycheng@google.com> Acked-by:
Neal Cardwell <ncardwell@google.com> Signed-off-by:
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Varka Bhadram authored
All spi based drivers have an instance of struct spi_device as spi. This patch renames spi_device to spi to synchronize with all the drivers. Signed-off-by:
Varka Bhadram <varkab@cdac.in> Signed-off-by:
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David S. Miller authored
Jesper Dangaard Brouer says: ==================== The following series introduce some pktgen changes Patch01: Cleanup my own work when I introduced NO_TIMESTAMP. Patch02: Took over patch from Alexei, and addressed my own concerns, as Alexie is too busy with other work, and this will provide an easy tool for measuring ingress path performance, which is a hot topic ATM. Changes were primarily user interface related. Introduced a separate "xmit_mode" setting, instead of stealing one of the dev flags like Alexei did. ==================== Signed-off-by: -
Alexei Starovoitov authored
Introduce xmit_mode 'netif_receive' for pktgen which generates the packets using familiar pktgen commands, but feeds them into netif_receive_skb() instead of ndo_start_xmit(). Default mode is called 'start_xmit'. It is designed to test netif_receive_skb and ingress qdisc performace only. Make sure to understand how it works before using it for other rx benchmarking. Sample script 'pktgen.sh': \#!/bin/bash function pgset() { local result echo $1 > $PGDEV result=`cat $PGDEV | fgrep "Result: OK:"` if [ "$result" = "" ]; then cat $PGDEV | fgrep Result: fi } [ -z "$1" ] && echo "Usage: $0 DEV" && exit 1 ETH=$1 PGDEV=/proc/net/pktgen/kpktgend_0 pgset "rem_device_all" pgset "add_device $ETH" PGDEV=/proc/net/pktgen/$ETH pgset "xmit_mode netif_receive" pgset "pkt_size 60" pgset "dst 198.18.0.1" pgset "dst_mac 90:e2:ba:ff:ff:ff" pgset "count 10000000" pgset "burst 32" PGDEV=/proc/net/pktgen/pgctrl echo "Running... ctrl^C to stop" pgset "start" echo "Done" cat /proc/net/pktgen/$ETH Usage: $ sudo ./pktgen.sh eth2 ... Result: OK: 232376(c232372+d3) usec, 10000000 (60byte,0frags) 43033682pps 20656Mb/sec (20656167360bps) errors: 10000000 Raw netif_receive_skb speed should be ~43 million packet per second on 3.7Ghz x86 and 'perf report' should look like: 37.69% kpktgend_0 [kernel.vmlinux] [k] __netif_receive_skb_core 25.81% kpktgend_0 [kernel.vmlinux] [k] kfree_skb 7.22% kpktgend_0 [kernel.vmlinux] [k] ip_rcv 5.68% kpktgend_0 [pktgen] [k] pktgen_thread_worker If fib_table_lookup is seen on top, it means skb was processed by the stack. To benchmark netif_receive_skb only make sure that 'dst_mac' of your pktgen script is different from receiving device mac and it will be dropped by ip_rcv Signed-off-by:Alexei Starovoitov <ast@plumgrid.com> Signed-off-by:
Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by:
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Jesper Dangaard Brouer authored
Allow flag NO_TIMESTAMP to turn timestamping on again, like other flags, with a negation of the flag like !NO_TIMESTAMP. Also document the option flag NO_TIMESTAMP. Fixes: afb84b62 ("pktgen: add flag NO_TIMESTAMP to disable timestamping") Signed-off-by:
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David S. Miller authored
Nicolas Dichtel says: ==================== netns: ease netlink use with a lot of netns This idea was informally discussed in Ottawa / netdev0.1. The goal is to ease the use/scalability of netns, from a userland point of view. Today, users need to open one netlink socket per family and per netns. Thus, when the number of netns inscreases (for example 5K or more), the number of sockets needed to manage them grows a lot. The goal of this series is to be able to monitor netlink events, for a specified family, for a set of netns, with only one netlink socket. For this purpose, a netlink socket option is added: NETLINK_LISTEN_ALL_NSID. When this option is set on a netlink socket, this socket will receive netlink notifications from all netns that have a nsid assigned into the netns where the socket has been opened. The nsid is sent to userland via an anscillary data. Here is an example with a patched iproute2. vxlan10 is created in the current netns (netns0, nsid 0) and then moved to another netns (netns1, nsid 1): $ ip netns exec netns0 ip monitor all-nsid label [nsid 0][NSID]nsid 1 (iproute2 netns name: netns1) [nsid 0][NEIGH]??? lladdr 00:00:00:00:00:00 REACHABLE,PERMANENT [nsid 0][LINK]5: vxlan10@NONE: <BROADCAST,MULTICAST> mtu 1450 qdisc noop state DOWN group default link/ether 92:33:17:e6:e7:1d brd ff:ff:ff:ff:ff:ff [nsid 0][LINK]Deleted 5: vxlan10@NONE: <BROADCAST,MULTICAST> mtu 1450 qdisc noop state DOWN group default link/ether 92:33:17:e6:e7:1d brd ff:ff:ff:ff:ff:ff [nsid 1][NSID]nsid 0 (iproute2 netns name: netns0) [nsid 1][LINK]5: vxlan10@NONE: <BROADCAST,MULTICAST> mtu 1450 qdisc noop state DOWN group default link/ether 92:33:17:e6:e7:1d brd ff:ff:ff:ff:ff:ff link-netnsid 0 [nsid 1][ADDR]5: vxlan10 inet 192.168.0.249/24 brd 192.168.0.255 scope global vxlan10 valid_lft forever preferred_lft forever [nsid 1][ROUTE]local 192.168.0.249 dev vxlan10 table local proto kernel scope host src 192.168.0.249 [nsid 1][ROUTE]ff00::/8 dev vxlan10 table local metric 256 pref medium [nsid 1][ROUTE]2001:123::/64 dev vxlan10 proto kernel metric 256 pref medium [nsid 1][LINK]5: vxlan10@NONE: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UNKNOWN group default link/ether 92:33:17:e6:e7:1d brd ff:ff:ff:ff:ff:ff link-netnsid 0 [nsid 1][ROUTE]broadcast 192.168.0.255 dev vxlan10 table local proto kernel scope link src 192.168.0.249 [nsid 1][ROUTE]192.168.0.0/24 dev vxlan10 proto kernel scope link src 192.168.0.249 [nsid 1][ROUTE]broadcast 192.168.0.0 dev vxlan10 table local proto kernel scope link src 192.168.0.249 [nsid 1][ROUTE]fe80::/64 dev vxlan10 proto kernel metric 256 pref medium ==================== Signed-off-by: -
Nicolas Dichtel authored
More accurately, listen all netns that have a nsid assigned into the netns where the netlink socket is opened. For this purpose, a netlink socket option is added: NETLINK_LISTEN_ALL_NSID. When this option is set on a netlink socket, this socket will receive netlink notifications from all netns that have a nsid assigned into the netns where the socket has been opened. The nsid is sent to userland via an anscillary data. With this patch, a daemon needs only one socket to listen many netns. This is useful when the number of netns is high. Because 0 is a valid value for a nsid, the field nsid_is_set indicates if the field nsid is valid or not. skb->cb is initialized to 0 on skb allocation, thus we are sure that we will never send a nsid 0 by error to the userland. Signed-off-by:
Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by:
Thomas Graf <tgraf@suug.ch> Signed-off-by:
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Nicolas Dichtel authored
These flags and states have the same prefix (NETLINK_) that netlink socket options. To avoid confusion and to be able to name a flag like a socket option, let's use an other prefix: NETLINK_[S|F]_. Note: a comment has been fixed, it was talking about NETLINK_RECV_NO_ENOBUFS socket option instead of NETLINK_NO_ENOBUFS. Signed-off-by:
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Nicolas Dichtel authored
Before this patch, nsid were protected by the rtnl lock. The goal of this patch is to be able to find a nsid without needing to hold the rtnl lock. The next patch will introduce a netlink socket option to listen to all netns that have a nsid assigned into the netns where the socket is opened. Thus, it's important to call rtnl_net_notifyid() outside the spinlock, to avoid a recursive lock (nsid are notified via rtnl). This was the main reason of the previous patch. Signed-off-by:
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Nicolas Dichtel authored
There is no functional change with this patch. It will ease the refactoring of the locking system that protects nsids and the support of the netlink socket option NETLINK_LISTEN_ALL_NSID. Signed-off-by:
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Nicolas Dichtel authored
In a following commit, a new function will be introduced to only lookup for a nsid (no allocation if the nsid doesn't exist). To avoid confusion, the existing function is renamed. Signed-off-by:
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Nicolas Dichtel authored
The goal of this commit is to prepare the rework of the locking of nsnid protection. After this patch, rtnl_net_notifyid() will not call anymore __peernet2id(), ie no idr_* operation into this function. Signed-off-by:
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Nicolas Dichtel authored
All callers of this function expect a nsid, not an error. Thus, returns NETNSA_NSID_NOT_ASSIGNED in case of error so that callers don't have to convert the error to NETNSA_NSID_NOT_ASSIGNED. Signed-off-by:
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David S. Miller authored
Merge tag 'linux-can-next-for-4.2-20150506' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next Marc Kleine-Budde says: ==================== pull-request: can-next 2015-05-06 this is a pull request of a seven patches for net-next/master. Andreas Gröger contributes two patches for the janz-ican3 driver. In the first patch, the documentation for already existing sysfs entries is added, the second patch adds support for another module/firmware variant. A patch by Shawn Landden makes the padding in the struct can_frame explicit. The next 4 patches target the flexcan driver, the first one is by David Jander adding some documentation, the reaming three by me add more documentation and two small code cleanups. ==================== Signed-off-by:
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- 09 May, 2015 20 commits
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Harini Katakam authored
Add macb_change_mtu callback; if jumbo frame support is present allow mtu size changes upto (jumbo max length allowed - headers). Signed-off-by:
Harini Katakam <harinik@xilinx.com> Reviewed-by:
Punnaiah Choudary Kalluri <punnaia@xilinx.com> Signed-off-by:
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Harini Katakam authored
Enable jumbo frame support for Zynq Ultrascale+ MPSoC. Update the NWCFG register and descriptor length masks accordingly. Jumbo max length register should be set according to support in SoC; it is set to 10240 for Zynq Ultrascale+ MPSoC. Signed-off-by:
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Harini Katakam authored
Add compatible string and config structure for Zynq Ultrascale+ MPSoC Signed-off-by:
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Harini Katakam authored
Add "cdns,zynqmp-gem" to be used for Zynq Ultrascale+ MPSoC. Signed-off-by:
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Jason Baron authored
Under tcp memory pressure, calling epoll_wait() in edge triggered mode after -EAGAIN, can result in an indefinite hang in epoll_wait(), even when there is sufficient memory available to continue making progress. The problem is that when __sk_mem_schedule() returns 0 under memory pressure, we do not set the SOCK_NOSPACE flag in the tcp write paths (tcp_sendmsg() or do_tcp_sendpages()). Then, since SOCK_NOSPACE is used to trigger wakeups when incoming acks create sufficient new space in the write queue, all outstanding packets are acked, but we never wake up with the the EPOLLOUT that we are expecting from epoll_wait(). This issue is currently limited to epoll() when used in edge trigger mode, since 'tcp_poll()', does in fact currently set SOCK_NOSPACE. This is sufficient for poll()/select() and epoll() in level trigger mode. However, in edge trigger mode, epoll() is relying on the write path to set SOCK_NOSPACE. EPOLL(7) says that in edge-trigger mode we can only call epoll_wait() after read/write return -EAGAIN. Thus, in the case of the socket write, we are relying on the fact that tcp_sendmsg()/network write paths are going to issue a wakeup for us at some point in the future when we get -EAGAIN. Normally, epoll() edge trigger works fine when we've exceeded the sk->sndbuf because in that case we do set SOCK_NOSPACE. However, when we return -EAGAIN from the write path b/c we are over the tcp memory limits and not b/c we are over the sndbuf, we are never going to get another wakeup. I can reproduce this issue, using SO_SNDBUF, since __sk_mem_schedule() will return 0, or failure more readily with SO_SNDBUF: 1) create socket and set SO_SNDBUF to N 2) add socket as edge trigger 3) write to socket and block in epoll on -EAGAIN 4) cause tcp mem pressure via: echo "<small val>" > net.ipv4.tcp_mem The fix here is simply to set SOCK_NOSPACE in sk_stream_wait_memory() when the socket is non-blocking. Note that SOCK_NOSPACE, in addition to waking up outstanding waiters is also used to expand the size of the sk->sndbuf. However, we will not expand it by setting it in this case because tcp_should_expand_sndbuf(), ensures that no expansion occurs when we are under tcp memory pressure. Note that we could still hang if sk->sk_wmem_queue is 0, when we get the -EAGAIN. In this case the SOCK_NOSPACE bit will not help, since we are waiting for and event that will never happen. I believe that this case is harder to hit (and did not hit in my testing), in that over the tcp 'soft' memory limits, we continue to guarantee a minimum write buffer size. Perhaps, we could return -ENOSPC in this case, or maybe we simply issue a wakeup in this case, such that we keep retrying the write. Note that this case is not specific to epoll() ET, but rather would affect blocking sockets as well. So I view this patch as bringing epoll() edge-trigger into sync with the current poll()/select()/epoll() level trigger and blocking sockets behavior. Signed-off-by:
Jason Baron <jbaron@akamai.com> Acked-by:
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Claudiu Manoil authored
Use device flag IFF_LIVE_ADDR_CHANGE to signal that the device supports changing the hardware address when the device is running. This allows eth_mac_addr() to change the mac address also when the network device's interface is open. This capability is required by certain applications, like bonding mode 6 (Adaptive Load Balancing). Signed-off-by:
Claudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by:
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Claudiu Manoil authored
Handle TxFIFO underrun exceptions outside the fast path. A controller reset is more reliable in this exceptional case, as opposed to re-enabling on-the-fly the Tx DMA. As the controller reset is handled outside the fast path by the reset_gfar() workqueue handler, the locking scheme on the Tx path is significantly simplified. Because the Tx processing (xmit queues and tx napi) is disabled during controller reset, tstat access from xmit does not require locking. So the scope of the txlock on the processing path is now reduced to num_txbdfree, which is shared only between process context (xmit) and softirq (clean_tx_ring). As a result, the txlock must not guard against interrupt context, and the spin_lock_irqsave() from xmit can be replaced by spin_lock_bh(). Likewise, the locking has been downgraded for clean_tx_ring(). Signed-off-by:
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David S. Miller authored
Daniel Borkmann says: ==================== BPF updates This set gets rid of BPF special handling in seccomp filter preparation and provides generic infrastructure from BPF side, which eventually also allows for classic BPF JITs to add support for seccomp filters. ==================== Signed-off-by: -
Daniel Borkmann authored
Seccomp has always been a special candidate when it comes to preparation of its filters in seccomp_prepare_filter(). Due to the extra checks and filter rewrite it partially duplicates code and has BPF internals exposed. This patch adds a generic API inside the BPF code code that seccomp can use and thus keep it's filter preparation code minimal and better maintainable. The other side-effect is that now classic JITs can add seccomp support as well by only providing a BPF_LDX | BPF_W | BPF_ABS translation. Tested with seccomp and BPF test suites. Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Cc: Nicolas Schichan <nschichan@freebox.fr> Cc: Alexei Starovoitov <ast@plumgrid.com> Cc: Kees Cook <keescook@chromium.org> Acked-by:
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Daniel Borkmann authored
When seccomp BPF was added, it was discussed to add __GFP_NOWARN flag for their configuration path as f.e. up to 32K allocations are more prone to fail under stress. As we're going to reuse BPF API, add __GFP_NOWARN flags where larger kmalloc() and friends allocations could fail. It doesn't make much sense to pass around __GFP_NOWARN everywhere as an extra argument only for seccomp while we just as well could run into similar issues for socket filters, where it's not desired to have a user application throw a WARN() due to allocation failure. Signed-off-by:
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Nicolas Schichan authored
Remove the calls to bpf_check_classic(), bpf_convert_filter() and bpf_migrate_runtime() and let bpf_prepare_filter() take care of that instead. seccomp_check_filter() is passed to bpf_prepare_filter() so that it gets called from there, after bpf_check_classic(). We can now remove exposure of two internal classic BPF functions previously used by seccomp. The export of bpf_check_classic() symbol, previously known as sk_chk_filter(), was there since pre git times, and no in-tree module was using it, therefore remove it. Joint work with Daniel Borkmann. Signed-off-by:
Nicolas Schichan <nschichan@freebox.fr> Signed-off-by:
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Nicolas Schichan authored
This is in preparation for use by the seccomp code, the rationale is not to duplicate additional code within the seccomp layer, but instead, have it abstracted and hidden within the classic BPF API. As an interim step, this now also makes bpf_prepare_filter() visible (not as exported symbol though), so that seccomp can reuse that code path instead of reimplementing it. Joint work with Daniel Borkmann. Signed-off-by:
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David S. Miller authored
Merge tag 'mac80211-next-for-davem-2015-05-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== Lots of updates for net-next for this cycle. As usual, we have a lot of small fixes and cleanups, the bigger items are: * proper mac80211 rate control locking, to fix some random crashes (this required changing other locking as well) * mac80211 "fast-xmit", a mechanism to reduce, in most cases, the amount of code we execute while going from ndo_start_xmit() to the driver * this also clears the way for properly supporting S/G and checksum and segmentation offloads ==================== Signed-off-by:
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David S. Miller authored
Eric Dumazet says: ==================== tcp: more reliable window probes This series address a problem caused by small rto_min timers in DC, leading to either timer storms or early flow terminations. We also add two new SNMP counters for proper monitoring : TCPWinProbe and TCPKeepAlive v2: added TCPKeepAlive counter, as suggested by Yuchung & Neal ==================== Signed-off-by: -
Eric Dumazet authored
Diagnosing problems related to Window Probes has been hard because we lack a counter. TCPWinProbe counts the number of ACK packets a sender has to send at regular intervals to make sure a reverse ACK packet opening back a window had not been lost. TCPKeepAlive counts the number of ACK packets sent to keep TCP flows alive (SO_KEEPALIVE) Signed-off-by:
Yuchung Cheng <ycheng@google.com> Acked-by:
Nandita Dukkipati <nanditad@google.com> Signed-off-by:
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Eric Dumazet authored
With the advent of small rto timers in datacenter TCP, (ip route ... rto_min x), the following can happen : 1) Qdisc is full, transmit fails. TCP sets a timer based on icsk_rto to retry the transmit, without exponential backoff. With low icsk_rto, and lot of sockets, all cpus are servicing timer interrupts like crazy. Intent of the code was to retry with a timer between 200 (TCP_RTO_MIN) and 500ms (TCP_RESOURCE_PROBE_INTERVAL) 2) Receivers can send zero windows if they don't drain their receive queue. TCP sends zero window probes, based on icsk_rto current value, with exponential backoff. With /proc/sys/net/ipv4/tcp_retries2 being 15 (or even smaller in some cases), sender can abort in less than one or two minutes ! If receiver stops the sender, it obviously doesn't care of very tight rto. Probability of dropping the ACK reopening the window is not worth the risk. Lets change the base timer to be at least 200ms (TCP_RTO_MIN) for these events (but not normal RTO based retransmits) A followup patch adds a new SNMP counter, as it would have helped a lot diagnosing this issue. Signed-off-by:
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Richard Alpe authored
The legacy netlink API treated EPERM (permission denied) as "operation not supported". Reported-by:
Tomi Ollila <tomi.ollila@iki.fi> Signed-off-by:
Richard Alpe <richard.alpe@ericsson.com> Reviewed-by:
Erik Hugne <erik.hugne@ericsson.com> Reviewed-by:
Ying Xue <ying.xue@windriver.com> Signed-off-by:
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Richard Alpe authored
Add the ability to get or set the broadcast link window through the new netlink API. The functionality was unintentionally missing from the new netlink API. Adding this means that we also fix the breakage in the old API when coming through the compat layer. Fixes: 37e2d484 (tipc: convert legacy nl link prop set to nl compat) Reported-by:
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Richard Alpe authored
Default link properties can be set for media or bearer. This functionality was missed when introducing the NL compatibility layer. This patch implements this functionality in the compat netlink layer. It works the same way as it did in the old API. We search for media and bearers matching the "link name". If we find a matching media or bearer the link tolerance, priority or window is used as default for new links on that media or bearer. Fixes: 37e2d484 (tipc: convert legacy nl link prop set to nl compat) Reported-by:
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Hariprasad Shenai authored
Implements t4_init_rss_mode() to initialize the rss_mode for all the ports. If Tunnel All Lookup isn't specified in the global RSS Configuration, then we need to specify a default Ingress Queue for any ingress packets which aren't hashed. We'll use our first ingress queue. Signed-off-by:
Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by:
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