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2010-09-21ipvs: make rerouting optional with snat_rerouteJulian Anastasov
Add new sysctl flag "snat_reroute". Recent kernels use ip_route_me_harder() to route LVS-NAT responses properly by VIP when there are multiple paths to client. But setups that do not have alternative default routes can skip this routing lookup by using snat_reroute=0. Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-09-21ipvs: netfilter connection tracking changesJulian Anastasov
Add more code to IPVS to work with Netfilter connection tracking and fix some problems. - Allow IPVS to be compiled without connection tracking as in 2.6.35 and before. This can avoid keeping conntracks for all IPVS connections because this costs memory. ip_vs_ftp still depends on connection tracking and NAT as implemented for 2.6.36. - Add sysctl var "conntrack" to enable connection tracking for all IPVS connections. For loaded IPVS directors it needs tuning of nf_conntrack_max limit. - Add IP_VS_CONN_F_NFCT connection flag to request the connection to use connection tracking. This allows user space to provide this flag, for example, in dest->conn_flags. This can be useful to request connection tracking per real server instead of forcing it for all connections with the "conntrack" sysctl. This flag is set currently only by ip_vs_ftp and of course by "conntrack" sysctl. - Add ip_vs_nfct.c file to hold all connection tracking code, by this way main code should not depend of netfilter conntrack support. - Return back the ip_vs_post_routing handler as in 2.6.35 and use skb->ipvs_property=1 to allow IPVS to work without connection tracking Connection tracking: - most of the code is already in 2.6.36-rc - alter conntrack reply tuple for LVS-NAT connections when first packet from client is forwarded and conntrack state is NEW or RELATED. Additionally, alter reply for RELATED connections from real server, again for packet in original direction. - add IP_VS_XMIT_TUNNEL to confirm conntrack (without altering reply) for LVS-TUN early because we want to call nf_reset. It is needed because we add IPIP header and the original conntrack should be preserved, not destroyed. The transmitted IPIP packets can reuse same conntrack, so we do not set skb->ipvs_property. - try to destroy conntrack when the IPVS connection is destroyed. It is not fatal if conntrack disappears before that, it depends on the used timers. Fix problems from long time: - add skb->ip_summed = CHECKSUM_NONE for the LVS-TUN transmitters Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-09-17ipvs: extend connection flags to 32 bitsJulian Anastasov
- the sync protocol supports 16 bits only, so bits 0..15 should be used only for flags that should go to backup server, bits 16 and above should be allocated for flags not sent to backup. - use IP_VS_CONN_F_DEST_MASK as mask of connection flags in destination that can be changed by user space - allow IP_VS_CONN_F_ONE_PACKET to be set in destination Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-09-16netfilter: nf_conntrack: fix the hash random initializing raceChangli Gao
nf_conntrack_alloc() isn't called with nf_conntrack_lock locked, so hash random initializing code maybe executed more than once on different CPUs. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-09-16netfilter: nf_nat: no IP_NAT_RANGE_MAP_IPS flags when alloc_null_binding()Changli Gao
When alloc_null_binding(), no IP_NAT_RNAGE_MAP_IPS in flags means no IP address translation is needed. It isn't necessary to specify the address explicitly. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-09-16netfilter: nf_nat_core: don't check if the tuple is used if there is no ↵Changli Gao
other choice Eliminate nf_nat_used_tuple() to save some CPU cycles when there is no other choice. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-09-16netfilter: use NFPROTO_IPV4 instead of AF_INETChangli Gao
The field family of xt_target should be NFPROTO_IPV4, though NFPROTO_IPV4 and AF_INET are the same. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-09-15netfilter: nf_nat: add nf_nat_csum()Changli Gao
Add a static function nf_nat_csum() to replace the duplicate code in nf_nat_mangle_udp_packet() and __nf_nat_mangle_tcp_packet(). Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-09-14e1000e: Simplify MSI interrupt testingJean Delvare
The code is quite convoluted, simplify it. This also avoids calling e1000_request_irq() without testing the value it returned, which was bad. Signed-off-by: Jean Delvare <jdelvare@suse.de> Cc: Bruce Allan <bruce.w.allan@intel.com> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-13uwb: use '%pM' format to print MAC addressAndy Shevchenko
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-13bnx2x: Spread rx buffers between allocated queuesDmitry Kravkov
Default number of rx buffers will be divided equally between allocated queues. This will decrease amount of pre-allocated buffers on systems with multiple CPUs. User can override this behavior with ethtool -G. Minimum amount of rx buffers per queue set to 128. Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-13cx82310_eth: allow empty URBsOndrej Zary
Empty received URBs are currently counted as errors but the device sends them sometimes as part of regular traffic - so remove this check. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-13cx82310_eth: check usb_string() return value for errorOndrej Zary
Fix that usb_string() return value is not checked for error (negative value). Also change the ignore message a bit and lower its level to info. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-13drivers/net/skfp: Remove pr_<level> uses of KERN_<level>Joe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-13net/cxgb3: remove undefined operationsAndreas Schwab
Modifying an object twice without an intervening sequence point is undefined. Signed-off-by: Andreas Schwab <schwab@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-13net/de4x5: remove undefined operationsAndreas Schwab
Modifying an object twice without an intervening sequence point is undefined. Signed-off-by: Andreas Schwab <schwab@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-13sundance: Add power management hooksDenis Kirjanov
This patch to adds support for PM hooks into sundance driver Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-13flow: better memory managementEric Dumazet
Allocate hash tables for every online cpus, not every possible ones. NUMA aware allocations. Dont use a full page on arches where PAGE_SIZE > 1024*sizeof(void *) misc: __percpu , __read_mostly, __cpuinit annotations flow_compare_t is just an "unsigned long" Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-13sfc: Fix order of channel_name array dimensionsBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-12bna: Check for NULL before deref in bnad_cb_tx_cleanupDavid S. Miller
Reported-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10pkt_sched: remov unnecessary bh_disablestephen hemminger
Now that est_tree_lock is acquired with BH protection, the other call is unnecessary. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10fib: cleanupsEric Dumazet
Use rcu_dereference_rtnl() helper Change hard coded constants in fib_flag_trans() 7 -> RTN_UNREACHABLE 8 -> RTN_PROHIBIT Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10sfc: Allow changing the DMA ring sizes dynamically via ethtoolBen Hutchings
This requires some reorganisation of channel setup and teardown to ensure that we can always roll-back a failed change. Based on work by Steve Hodgson <shodgson@solarflare.com> Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10sfc: Make the dmaq size a run-time setting (rather than compile-time)Steve Hodgson
- Allow the ring size to be specified in non power-of-two sizes (for instance to limit the amount of receive buffers). - Automatically size the event queue. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10sfc: Allocate each channel separately, along with its RX and TX queuesBen Hutchings
This will allow for reallocation of channel structures and rings. Change module parameter separate_tx_channels to be read-only, since we now require its value to be constant. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10sfc: Refactor channel and queue lookup and iterationBen Hutchings
In preparation for changes to the way channels and queue structures are allocated, revise the macros and functions used to look up and iterator over them. - Replace efx_for_each_tx_queue() with iteration over channels then TX queues - Replace efx_for_each_rx_queue() with iteration over channels then RX queues (with one exception, shortly to be removed) - Introduce efx_get_{channel,rx_queue,tx_queue}() functions to look up channels and queues by index - Introduce efx_channel_get_{rx,tx}_queue() functions to look up a channel's queues Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10sfc: Abstract channel and index lookup for RX queuesBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10sfc: Allocate DMA and event rings using GFP_KERNELBen Hutchings
Currently we allocate DMA descriptor rings and event rings using pci_alloc_consistent() which selects non-blocking behaviour from the page allocator (GFP_ATOMIC). This is unnecessary, and since we currently allocate a single contiguous block for each ring (up to 32 pages!) these allocations are likely to fail if there is any significant memory pressure. Use dma_alloc_coherent() and GFP_KERNEL instead. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10sfc: Fix failure paths in efx_probe_port()Ben Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10sfc: Remove declarations of functions that no longer existBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10sfc: Accumulate RX_NODESC_DROP count in rx_dropped, not rx_over_errorsBen Hutchings
rx_over_errors appears to be intended as a count of packets that overflow a packet buffer in the NIC. Given that we implement a cut-through receive path, this should always be 0. rx_dropped appears to be the correct counter for packets dropped due to lack of host buffers. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-10sfc: Use MCDI RX_BAD_FCS_PKTS count as MAC rx_bad countBen Hutchings
Calculating rx_bad as rx_packets - rx_good is unnecessary and incorrect, since rx_good does not include control frames (e.g. pause frames) and rx_packets does. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: net/mac80211/main.c
2010-09-09Merge branch 'vhost-net' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2010-09-09drivers/net/bnx2x: use ARRAY_SIZE macro in bnx2x_main.cNikitas Angelinas
Replace sizeof(bnx2x_parity_mask)/(sizeof(bnx2x_parity_mask[0]) with ARRAY_SIZE(bnx2x_parity_mask) in drivers/net/bnx2x/bnx2x_main.c Signed-off-by: Nikitas Angelinas <nikitasangelinas@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09ipheth: remove incorrect devtype to WWANDan Williams
The 'wwan' devtype is meant for devices that require preconfiguration and *every* time setup before the ethernet interface can be used, like cellular modems which require a series of setup commands on serial ports or other mechanisms before the ethernet interface will handle packets. As ipheth only requires one-per-hotplug pairing setup with no preconfiguration (like APN, phone #, etc) and the network interface is usable at any time after that initial setup, remove the incorrect devtype wwan. Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09MAINTAINERS: Add CAIFJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09au1000-eth: change multi-line comments styleFlorian Fainelli
Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09au1000-eth: remove volatiles, switch to I/O accessorsFlorian Fainelli
Remove all the volatile keywords where they were used, switch to using the proper readl/writel accessors. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09au1000-eth: fix asm -> linux headers inclusionFlorian Fainelli
Replace asm/io.h and asm/cpu.h wih linux/io.h and linux/cpu.h Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09au1000-eth: fix bad printk usagesFlorian Fainelli
Use pr_(info|err) and pr_cont where required instead of calls to printk. Add missing pr_fmt to the driver. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09au1000-eth: fix all but one "line over 80 characters warnings"Florian Fainelli
One line has not been changed because it would not improve readability. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09au1000-eth: stylistic fixesFlorian Fainelli
This patch fixes the following checkpatch.pl warnings: - spaces after tabs - space between function and arguments - one-line statement braces - tabs instead of spaces Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09au1000-eth: typedefs removalFlorian Fainelli
Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09tipc: Optimize handling excess content on incoming messagesPaul Gortmaker
Remove code that trimmed excess trailing info from incoming messages arriving over an Ethernet interface. TIPC now ignores the extra info while the message is being processed by the node, and only trims it off if the message is retransmitted to another node. (This latter step is done to ensure the extra info doesn't cause the sk_buff to exceed the outgoing interface's MTU limit.) The outgoing buffer is guaranteed to be linear. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09ixgbevf: remove private net_device_statsEric Dumazet
Use the net_device provided net_device_stats structure. Remove ixgbevf_get_stats() now its not needed. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09tunnels: missing rcu_assign_pointer()Eric Dumazet
xfrm4_tunnel_register() & xfrm6_tunnel_register() should use rcu_assign_pointer() to make sure previous writes (to handler->next) are committed to memory before chain insertion. deregister functions dont need a particular barrier. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09net/core: add lock context change annotations in net/core/sock.cNamhyung Kim
__lock_sock() and __release_sock() releases and regrabs lock but were missing proper annotations. Add it. This removes following warning from sparse. (Currently __lock_sock() does not emit any warning about it but I think it is better to add also.) net/core/sock.c:1580:17: warning: context imbalance in '__release_sock' - unexpected unlock Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09net/core: remove address space warnings on verify_iovec()Namhyung Kim
move_addr_to_kernel() and copy_from_user() requires their argument as __user pointer but were missing proper markups. Add it. This removes following warnings from sparse. net/core/iovec.c:44:52: warning: incorrect type in argument 1 (different address spaces) net/core/iovec.c:44:52: expected void [noderef] <asn:1>*uaddr net/core/iovec.c:44:52: got void *msg_name net/core/iovec.c:55:34: warning: incorrect type in argument 2 (different address spaces) net/core/iovec.c:55:34: expected void const [noderef] <asn:1>*from net/core/iovec.c:55:34: got struct iovec *msg_iov Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-09sctp: fix test for end of loopJoe Perches
Add a list_has_sctp_addr function to simplify loop Based on a patches by Dan Carpenter and David Miller Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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