- Jun 15, 2013
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Daniel Borkmann authored
In case we need to bail out for whatever reason during assoc init, we call sctp_endpoint_put() and then sock_put(), however, we've hold both refs in reverse, non-symmetric order, so first sctp_endpoint_hold() and then sock_hold(). Reverse this, so that in an error case we have sock_put() and then sctp_endpoint_put(). Actually shouldn't matter too much, since both cleanup paths do the right thing, but that way, it is more consistent with the rest of the code. Signed-off-by:
Daniel Borkmann <dborkman@redhat.com> Acked-by:
Vlad Yasevich <vyasevich@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Daniel Borkmann authored
It's only used at this one time, so we could remove it as well. This is valid and also makes it more explicit/obvious that in case of error the sp->ep is NULL here, i.e. for the sctp_destroy_sock() check that was recently added. Signed-off-by:
Daniel Borkmann <dborkman@redhat.com> Acked-by:
Vlad Yasevich <vyasevich@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Daniel Borkmann authored
While this currently cannot trigger any NULL pointer dereference in sctp_seq_dump_local_addrs(), better change the order of commands to prevent a future bug to happen. Although we first add SCTP_CMD_NEW_ASOC and then set the SCTP_CMD_INIT_CHOOSE_TRANSPORT, it is okay for now, since this primitive is only called by sctp_connect() or sctp_sendmsg() with sctp_assoc_add_peer() set first. However, lets do this precaution and first set the transport and then add it to the association hashlist to prevent in future something to possibly triggering this. Signed-off-by:
Daniel Borkmann <dborkman@redhat.com> Acked-by:
Vlad Yasevich <vyasevich@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Daniel Borkmann authored
This clearly states a BUG somewhere in the SCTP code as e.g. fixed once in f2815633 ("sctp: Use correct sideffect command in duplicate cookie handling"). If this ever happens, throw a trace in the sideeffect engine where assocs clearly must have a primary_path assigned. When in sctp_seq_dump_local_addrs() also throw a WARN and bail out since we do not need to panic for printing this one asterisk. Also, it will avoid the not so obvious case when primary != NULL test passes and at a later point in time triggering a NULL ptr dereference caused by primary. While at it, also fix up the white space. Signed-off-by:
Daniel Borkmann <dborkman@redhat.com> Acked-by:
Vlad Yasevich <vyasevich@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitchDavid S. Miller authored
Jesse Gross says: ==================== A few miscellaneous improvements and cleanups before the GRE tunnel integration series. Intended for net-next/3.11. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Pravin B Shelar authored
This is not functional change, this is just code cleanup. Signed-off-by:
Pravin B Shelar <pshelar@nicira.com> Signed-off-by:
Jesse Gross <jesse@nicira.com>
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Pravin B Shelar authored
Following patch keeps skb->csum correct across ovs. Signed-off-by:
Pravin B Shelar <pshelar@nicira.com> Signed-off-by:
Jesse Gross <jesse@nicira.com>
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Pravin B Shelar authored
Signed-off-by:
Pravin B Shelar <pshelar@nicira.com> Signed-off-by:
Jesse Gross <jesse@nicira.com>
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Andy Hill authored
Flagged with: https://github.com/lyda/misspell-check Run with: git ls-files | misspellings -f - Signed-off-by:
Andy Hill <hillad@gmail.com> Signed-off-by:
Jesse Gross <jesse@nicira.com>
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Lorand Jakab authored
Signed-off-by:
Lorand Jakab <lojakab@cisco.com> Signed-off-by:
Jesse Gross <jesse@nicira.com>
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Pravin B Shelar authored
Following patch changes vport->send return type so that vport layer can do error accounting. Signed-off-by:
Pravin B Shelar <pshelar@nicira.com> Signed-off-by:
Jesse Gross <jesse@nicira.com>
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Jesse Gross authored
The get_config vport op is left over from old compatibility code, it is neither used nor implemented any more. Signed-off-by:
Jesse Gross <jesse@nicira.com>
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Jesse Gross authored
It is an error to try to change the type of a vport using the set command. However, while we check that this is an error, we still proceed to allocate memory which then gets freed immediately. This stops processing after noticing the error, which does not actually fix a bug but is more correct. Signed-off-by:
Jesse Gross <jesse@nicira.com>
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- Jun 14, 2013
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Rony Efraim authored
Add support to change the link state of VF (vPort) Signed-off-by:
Rony Efraim <ronye@mellanox.com> Signed-off-by:
Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Rony Efraim authored
Add netlink directives and ndo entry to allow for controling VF link, which can be in one of three states: Auto - VF link state reflects the PF link state (default) Up - VF link state is up, traffic from VF to VF works even if the actual PF link is down Down - VF link state is down, no traffic from/to this VF, can be of use while configuring the VF Signed-off-by:
Rony Efraim <ronye@mellanox.com> Signed-off-by:
Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Florian Fainelli authored
This patch adds support for the Broadcom BCM6345 SoC Ethernet. BCM6345 has a slightly different and older DMA engine which requires the following modifications: - the width of the DMA channels on BCM6345 is 64 bytes vs 16 bytes, which means that the helpers enet_dma{c,s} need to account for this channel width and we can no longer use macros - BCM6345 DMA engine does not have any internal SRAM for transfering buffers - BCM6345 buffer allocation and flow control is not per-channel but global (done in RSET_ENETDMA) - the DMA engine bits are right-shifted by 3 compared to other DMA generations - the DMA enable/interrupt masks are a little different (we need to enabled more bits for 6345) - some register have the same meaning but are offsetted in the ENET_DMAC space so a lookup table is required to return the proper offset The MAC itself is identical and requires no modifications to work. Signed-off-by:
Florian Fainelli <florian@openwrt.org> Acked-by:
Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
htb_class structures are big, and source of false sharing on SMP. By carefully splitting them in two parts, we can improve performance. I got 9 % performance increase on a 24 threads machine, with 200 concurrent netperf in TCP_RR mode, using a HTB hierarchy of 4 classes. Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Tom Herbert <therbert@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Willem de Bruijn authored
Caught by sparse: - __rcu: missing annotation to sd->flow_limit - __user: direct access in cpumask_scnprintf Also - add endline character when printing bitmap if room in buffer - avoid bucket overflow by reducing FLOW_LIMIT_HISTORY The last item warrants some explanation. The hashtable buckets are subject to overflow if FLOW_LIMIT_HISTORY is larger than or equal to bucket size, since all packets may end up in a single bucket. The current (rather arbitrary) history value of 256 happens to match the buffer size (u8). As a result, with a single flow, the first 128 packets are accepted (correct), the second 128 packets dropped (correct) and then the history[] array has filled, so that each subsequent new packet causes an increment in the bucket for new_flow plus a decrement for old_flow: a steady state. This is fine if packets are dropped, as the steady state goes away as soon as a mix of traffic reappears. But, because the 256th packet overflowed the bucket to 0: no packets are dropped. Instead of explicitly adding an overflow check, this patch changes FLOW_LIMIT_HISTORY to never be able to overflow a single bucket. Reported-by:
Fengguang Wu <fengguang.wu@intel.com> (first item) Signed-off-by:
Willem de Bruijn <willemb@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Jun 13, 2013
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Yuchung Cheng authored
Linux sends new unset data during disorder and recovery state if all (suspected) lost packets have been retransmitted ( RFC5681, section 3.2 step 1 & 2, RFC3517 section 4, NexSeg() Rule 2). One requirement is to keep the receive window about twice the estimated sender's congestion window (tcp_rcv_space_adjust()), assuming the fast retransmits repair the losses in the next round trip. But currently it's not the case on the first round trip in either normal or Fast Open connection, beucase the initial receive window is identical to (expected) sender's initial congestion window. The fix is to double it. Signed-off-by:
Yuchung Cheng <ycheng@google.com> Acked-by:
Neal Cardwell <ncardwell@google.com> Acked-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Sergei Shtylyov authored
Now that the SoC specific support is no longer done with help of #ifdef'fery, we no longer need '__maybe_unused' annotations to sh_eth_select_mii() and sh_eth_set_duplex()... Signed-off-by:
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Joe Perches authored
Reduce the uses of this unnecessary typedef. Done via perl script: $ git grep --name-only -w ctl_table net | \ xargs perl -p -i -e '\ sub trim { my ($local) = @_; $local =~ s/(^\s+|\s+$)//g; return $local; } \ s/\b(?<!struct\s)ctl_table\b(\s*\*\s*|\s+\w+)/"struct ctl_table " . trim($1)/ge' Reflow the modified lines that now exceed 80 columns. Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Flavio Leitner authored
Since team functionality relies heavily on userspace daemon, we need to deliver event to userspace via Netlink as quick as possible. So make all team port device link events urgent. Signed-off-by:
Flavio Leitner <fbl@redhat.com> Signed-off-by:
Jiri Pirko <jiri@resnulli.us> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Wu Fengguang authored
net/ipv4/ping.c:286:5: sparse: symbol 'ping_check_bind_addr' was not declared. Should it be static? net/ipv4/ping.c:355:6: sparse: symbol 'ping_set_saddr' was not declared. Should it be static? net/ipv4/ping.c:370:6: sparse: symbol 'ping_clear_saddr' was not declared. Should it be static? net/ipv6/ping.c:60:5: sparse: symbol 'dummy_ipv6_recv_error' was not declared. Should it be static? net/ipv6/ping.c:64:5: sparse: symbol 'dummy_ip6_datagram_recv_ctl' was not declared. Should it be static? net/ipv6/ping.c:69:5: sparse: symbol 'dummy_icmpv6_err_convert' was not declared. Should it be static? net/ipv6/ping.c:73:6: sparse: symbol 'dummy_ipv6_icmp_error' was not declared. Should it be static? net/ipv6/ping.c:75:5: sparse: symbol 'dummy_ipv6_chk_addr' was not declared. Should it be static? net/ipv6/ping.c:201:5: sparse: symbol 'ping_v6_seq_show' was not declared. Should it be static? Signed-off-by:
Fengguang Wu <fengguang.wu@intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ben Hutchings authored
net_device::dev_id should not be used merely to indicate a VI index, as it affects the way the local part of IPv6 addresses is normally generated. This field was intended for use where multiple devices may share a single assigned MAC address and need to have different IPv6 addresses. T4 VIs each have their own MAC address. Signed-off-by:
Ben Hutchings <bhutchings@solarflare.com> Acked-by:
Dimitris Michailidis <dm@chelsio.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jason Wang authored
Return -EINVAL on illegal flag instead of uninitialized value. This fixes the kbuild test warning. Signed-off-by:
Jason Wang <jasowang@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jason Wang authored
This patch silents the following sparse warnings: drivers/net/macvtap.c:98:9: warning: incorrect type in assignment (different address spaces) drivers/net/macvtap.c:98:9: expected struct macvtap_queue *<noident> drivers/net/macvtap.c:98:9: got struct macvtap_queue [noderef] <asn:4>*<noident> drivers/net/macvtap.c:120:9: warning: incorrect type in assignment (different address spaces) drivers/net/macvtap.c:120:9: expected struct macvtap_queue *<noident> drivers/net/macvtap.c:120:9: got struct macvtap_queue [noderef] <asn:4>*<noident> drivers/net/macvtap.c:151:22: error: incompatible types in comparison expression (different address spaces) drivers/net/macvtap.c:233:23: error: incompatible types in comparison expression (different address spaces) drivers/net/macvtap.c:243:23: error: incompatible types in comparison expression (different address spaces) drivers/net/macvtap.c:247:15: error: incompatible types in comparison expression (different address spaces) CC [M] drivers/net/macvtap.o drivers/net/macvlan.c:232:24: error: incompatible types in comparison expression (different address spaces) Signed-off-by:
Jason Wang <jasowang@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Simon Horman authored
Corrects an byte order conflict introduced by 158874ca ("sctp: Correct access to skb->{network, transport}_header"). The values in question are host byte order. Signed-off-by:
Simon Horman <horms@verge.net.au> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Gao feng authored
Commit da12c90e "netlink: Add compare function for netlink_table" only set compare at the time we create kernel netlink, and reset compare to NULL at the time we finially release netlink socket, but netlink_lookup wants the compare exist always. So we should set compare after we allocate nl_table, and never reset it. make comapre exist all the time. Reported-by:
Fengguang Wu <fengguang.wu@intel.com> Signed-off-by:
Gao feng <gaofeng@cn.fujitsu.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Cong Wang authored
commit 6648bd7e (ipv4: Add sysctl knob to control early socket demux) introduced such sysctl, but forgot to add doc into Documentation/networking/ip-sysctl.txt. This patch adds it. Basically I grab the doc from the description of commit 41063e9d (ipv4: Early TCP socket demux.) and the above commit. Cc: Eric Dumazet <edumazet@google.com> Cc: Alexander Duyck <alexander.h.duyck@intel.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by:
Cong Wang <amwang@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Pavel Emelyanov authored
This routine doesn't fail since 9fdc6bef (tuntap: dont use a private kmem_cache) so it makes sense to compact the code a little bit. Signed-off-by:
Pavel Emelyanov <xemul@parallels.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Pavel Emelyanov authored
The TUN_PERSIST flag is not reported at all -- both TUNGETIFF, and sysfs "flags" attribute skip one. Knowing whether a device is persistent or not is critical for checkpoint-restore, thus I propose to add the read-only IFF_PERSIST one for this. Setting this new IFF_PERSIST is hardly possible, as TUNSETIFF doesn't check for unknown flags being zero and thus there can be trash. Signed-off-by:
Pavel Emelyanov <xemul@parallels.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
commit ba418fa3 ("soreuseport: UDP/IPv4 implementation") added following sparse errors : net/ipv4/udp.c:433:60: warning: cast from restricted __be16 net/ipv4/udp.c:433:60: warning: incorrect type in argument 1 (different base types) net/ipv4/udp.c:433:60: expected unsigned short [unsigned] [usertype] val net/ipv4/udp.c:433:60: got restricted __be16 [usertype] sport net/ipv4/udp.c:433:60: warning: cast from restricted __be16 net/ipv4/udp.c:433:60: warning: cast from restricted __be16 net/ipv4/udp.c:514:60: warning: cast from restricted __be16 net/ipv4/udp.c:514:60: warning: incorrect type in argument 1 (different base types) net/ipv4/udp.c:514:60: expected unsigned short [unsigned] [usertype] val net/ipv4/udp.c:514:60: got restricted __be16 [usertype] sport net/ipv4/udp.c:514:60: warning: cast from restricted __be16 net/ipv4/udp.c:514:60: warning: cast from restricted __be16 Signed-off-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
Fix following sparse error : net/ipv4/af_inet.c:1410:59: warning: restricted __be16 degrades to integer added in commit db8caf3d ("gro: should aggregate frames without DF") Reported-by:
kbuild test robot <fengguang.wu@intel.com> From: Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-nextDavid S. Miller authored
John W. Linville says: ==================== This pull request is intended for the 3.11 stream... One big highlight is the cw1200 driver the ST-E CW1100 & CW1200 WLAN chipsets. This one has been lingering for a while, lacking some review comments. Once started getting pulled into linux-next, it got a bit more attention and a number of improvements were made over the initial cut. No doubt there will be more changes ahead, but I think it is looking alright at this point. Along with that, there is the usual flurry of updates to the mac80211 core and the iwlwifi, mwifiex, ath9k, rt2x00, wil6210, and other drivers. A few of the highlights are some rt2x00 refactoring/cleanup by Gabor Juhos, some rt2800 hardware support enhancements by Stanislaw Gruszka, some iwlwifi power management updates from Alexander Bondar, some enhanced bcma SPROM support from Rafał Miłecki, and a variety of other things here and there. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Sergei Shtylyov authored
Commit 9f861341 (sh_eth: remove SH_ETH_HAS_TSU) removes 'const' from 'sh_eth_netdev_ops' and modifies it in case TSU registers are present. I've originally suggested to Iwamatsu-san to split this structure in two instead and afterwards Dave M. suggested doing the same. Split 'sh_eth_netdev_ops_tsu' from 'sh_eth_netdev_ops', making both 'const', and assigning 'ndev->detdev_ops' depending on the presence of TSU registers. Signed-off-by:
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
Fix following sparse errors : net/ipv4/igmp.c:1222:25: warning: cast from restricted __be32 net/ipv4/igmp.c:1234:31: warning: incorrect type in assignment (different address spaces) net/ipv4/igmp.c:1234:31: expected struct ip_mc_list [noderef] <asn:4>*next_hash net/ipv4/igmp.c:1234:31: got struct ip_mc_list *<noident> net/ipv4/igmp.c:1250:31: warning: incorrect type in assignment (different address spaces) net/ipv4/igmp.c:1250:31: expected struct ip_mc_list [noderef] <asn:4>*next_hash net/ipv4/igmp.c:1250:31: got struct ip_mc_list *<noident> net/ipv4/igmp.c:2380:37: warning: cast from restricted __be32 These were added by commit e9897071 ("igmp: hash a hash table to speedup ip_check_mc_rcu()") Reported-by:
kbuild test robot <fengguang.wu@intel.com> Signed-off-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Jun 12, 2013
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Claudiu Manoil authored
Older Single Queue (SQ_SG_MODE) devices like TSEC (i.e. mpc83xx) don't feature the frame receive indication bits (RXF) in RSTAT. For these and for the rest of the SQ_SG_MODE devices, provide the appropiate polling routine that handles a single pair of Rx/Tx BD rings, removing the overhead incurred by the multiple queues/ multiple interrupt group devices (veTSEC/ eTSEC2.0 devices). So this is primarily a fix for the TSEC devices. Signed-off-by:
Claudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ben Hutchings authored
We should not use net_device::dev_id to indicate the port number, as this affects the way the local part of IPv6 addresses is normally generated. This field was intended for use where multiple devices may share a single assigned MAC address and need to have different IPv6 addresses. Siena's two ports each have their own MAC addresses. Signed-off-by:
Ben Hutchings <bhutchings@solarflare.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Rami Rosen authored
commit ef722495 ( [IPV4]: Remove unused ip_options->is_data) removed the unused is_data member from ip_options struct. This patch removes is_data also from the documentation of the ip_options struct. Signed-off-by:
Rami Rosen <ramirose@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jiri Pirko authored
Check the unlikely case of team->en_port_count == 0 before modulo operation. Signed-off-by:
Jiri Pirko <jiri@resnulli.us> Signed-off-by:
David S. Miller <davem@davemloft.net>
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