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path: root/include/linux/netdevice.h
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2011-11-23net: add network priority cgroup infrastructure (v4)Neil Horman1-0/+4
This patch adds in the infrastructure code to create the network priority cgroup. The cgroup, in addition to the standard processes file creates two control files: 1) prioidx - This is a read-only file that exports the index of this cgroup. This is a value that is both arbitrary and unique to a cgroup in this subsystem, and is used to index the per-device priority map 2) priomap - This is a writeable file. On read it reports a table of 2-tuples <name:priority> where name is the name of a network interface and priority is indicates the priority assigned to frames egresessing on the named interface and originating from a pid in this cgroup This cgroup allows for skb priority to be set prior to a root qdisc getting selected. This is benenficial for DCB enabled systems, in that it allows for any application to use dcb configured priorities so without application modification Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: John Fastabend <john.r.fastabend@intel.com> CC: Robert Love <robert.w.love@intel.com> CC: "David S. Miller" <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18net: Remove LL_ALLOCATED_SPACEHerbert Xu1-5/+0
net: Remove LL_ALLOCATED_SPACE The macro LL_ALLOCATED_SPACE was ill-conceived. It applies the alignment to the sum of needed_headroom and needed_tailroom. As the amount that is then reserved for head room is needed_headroom with alignment, this means that the tail room left may be too small. Now that all uses of LL_ALLOCATED_SPACE have been removed, this patch finally removes the macro itself. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18net: use jump_label to shortcut RPS if not setupEric Dumazet1-0/+5
Most machines dont use RPS/RFS, and pay a fair amount of instructions in netif_receive_skb() / netif_rx() / get_rps_cpu() just to discover RPS/RFS is not setup. Add a jump_label named rps_needed. If no device rps_map or global rps_sock_flow_table is setup, netif_receive_skb() / netif_rx() do a single instruction instead of many ones, including conditional jumps. jmp +0 (if CONFIG_JUMP_LABEL=y) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17net: new counter for tx_timeout errors in sysfsdavid decotigny1-2/+10
This adds the /sys/class/net/DEV/queues/Q/tx_timeout attribute containing the total number of timeout events on the given queue. It is always available with CONFIG_SYSFS, independently of CONFIG_RPS/XPS. Credits to Stephen Hemminger for a preliminary version of this patch. Tested: without CONFIG_SYSFS (compilation only) with sysfs and without CONFIG_RPS & CONFIG_XPS with sysfs and without CONFIG_RPS with sysfs and without CONFIG_XPS with defaults Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17net: verify GSO flag bits against netdev featuresMichał Mirosław1-0/+9
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17net: introduce and use netdev_features_t for device features setsMichał Mirosław1-18/+23
v2: add couple missing conversions in drivers split unexporting netdev_fix_features() implemented %pNF convert sock::sk_route_(no?)caps Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17net: split netdev features to separate headerMichał Mirosław1-78/+2
Move features definitions to separate header so that linux/skbuff.h won't need to include linux/netdevice.h after netdev_features_t is introduced. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17net: remove legacy ethtool opsMichał Mirosław1-16/+0
As all drivers are converted, we may now remove discrete offload setting callback handling. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-01treewide: use __printf not __attribute__((format(printf,...)))Joe Perches1-17/+17
Standardize the style for compiler based printf format verification. Standardized the location of __printf too. Done via script and a little typing. $ grep -rPl --include=*.[ch] -w "__attribute__" * | \ grep -vP "^(tools|scripts|include/linux/compiler-gcc.h)" | \ xargs perl -n -i -e 'local $/; while (<>) { s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.+)\s*,\s*(.+)\s*\)\s*\)\s*\)/__printf($1, $2)/g ; print; }' [akpm@linux-foundation.org: revert arch bits] Signed-off-by: Joe Perches <joe@perches.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-10-25Merge branch 'pm-for-linus' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm * 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (63 commits) PM / Clocks: Remove redundant NULL checks before kfree() PM / Documentation: Update docs about suspend and CPU hotplug ACPI / PM: Add Sony VGN-FW21E to nonvs blacklist. ARM: mach-shmobile: sh7372 A4R support (v4) ARM: mach-shmobile: sh7372 A3SP support (v4) PM / Sleep: Mark devices involved in wakeup signaling during suspend PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image PM / Hibernate: Do not initialize static and extern variables to 0 PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too PM / Hibernate: Add resumedelay kernel param in addition to resumewait MAINTAINERS: Update linux-pm list address PM / ACPI: Blacklist Vaio VGN-FW520F machine known to require acpi_sleep=nonvs PM / ACPI: Blacklist Sony Vaio known to require acpi_sleep=nonvs PM / Hibernate: Add resumewait param to support MMC-like devices as resume file PM / Hibernate: Fix typo in a kerneldoc comment PM / Hibernate: Freeze kernel threads after preallocating memory PM: Update the policy on default wakeup settings PM / VT: Cleanup #if defined uglyness and fix compile error PM / Suspend: Off by one in pm_suspend() PM / Hibernate: Include storage keys in hibernation image on s390 ...
2011-10-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds1-7/+9
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1745 commits) dp83640: free packet queues on remove dp83640: use proper function to free transmit time stamping packets ipv6: Do not use routes from locally generated RAs |PATCH net-next] tg3: add tx_dropped counter be2net: don't create multiple RX/TX rings in multi channel mode be2net: don't create multiple TXQs in BE2 be2net: refactor VF setup/teardown code into be_vf_setup/clear() be2net: add vlan/rx-mode/flow-control config to be_setup() net_sched: cls_flow: use skb_header_pointer() ipv4: avoid useless call of the function check_peer_pmtu TCP: remove TCP_DEBUG net: Fix driver name for mdio-gpio.c ipv4: tcp: fix TOS value in ACK messages sent from TIME_WAIT rtnetlink: Add missing manual netlink notification in dev_change_net_namespaces ipv4: fix ipsec forward performance regression jme: fix irq storm after suspend/resume route: fix ICMP redirect validation net: hold sock reference while processing tx timestamps tcp: md5: add more const attributes Add ethtool -g support to virtio_net ... Fix up conflicts in: - drivers/net/Kconfig: The split-up generated a trivial conflict with removal of a stale reference to Documentation/networking/net-modules.txt. Remove it from the new location instead. - fs/sysfs/dir.c: Fairly nasty conflicts with the sysfs rb-tree usage, conflicting with Eric Biederman's changes for tagged directories.
2011-10-17if_link: Add additional parameter to IFLA_VF_INFO for spoof checkingGreg Rose1-0/+3
Add configuration setting for drivers to turn spoof checking on or off for discrete VFs. v2 - Fix indentation problem, wrap the ifla_vf_info structure in #ifdef __KERNEL__ to prevent user space from accessing and change function paramater for the spoof check setting netdev op from u8 to bool. v3 - Preset spoof check setting to -1 so that user space tools such as ip can detect that the driver didn't report a spoofcheck setting. Prevents incorrect display of spoof check settings for drivers that don't report it. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-09-16net: consolidate and fix ethtool_ops->get_settings callingJiri Pirko1-3/+0
This patch does several things: - introduces __ethtool_get_settings which is called from ethtool code and from drivers as well. Put ASSERT_RTNL there. - dev_ethtool_get_settings() is replaced by __ethtool_get_settings() - changes calling in drivers so rtnl locking is respected. In iboe_get_rate was previously ->get_settings() called unlocked. This fixes it. Also prb_calc_retire_blk_tmo() in af_packet.c had the same problem. Also fixed by calling __dev_get_by_index() instead of dev_get_by_index() and holding rtnl_lock for both calls. - introduces rtnl_lock in bnx2fc_vport_create() and fcoe_vport_create() so bnx2fc_if_create() and fcoe_if_create() are called locked as they are from other places. - use __ethtool_get_settings() in bonding code Signed-off-by: Jiri Pirko <jpirko@redhat.com> v2->v3: -removed dev_ethtool_get_settings() -added ASSERT_RTNL into __ethtool_get_settings() -prb_calc_retire_blk_tmo - use __dev_get_by_index() and lock around it and __ethtool_get_settings() call v1->v2: add missing export_symbol Reviewed-by: Ben Hutchings <bhutchings@solarflare.com> [except FCoE bits] Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-29net: Define NETDEV_FCOE_WWNN, NETDEV_FCOE_WWPN only when CONFIG_LIBFCOE is ↵Bhanu Prakash Gollapudi1-0/+4
enabled bnx2fc driver calls netdev->netdev_ops->ndo_fcoe_get_wwn() and it may not be defined with the current Kconfig dependencies. ndo_fcoe_get_wwn is dependent on CONFIG_FCOE, but bnx2fc does not select CONFIG_FCOE, as it does not depend on fcoe driver. Since both fcoe and bnx2fc drivers select CONFIG_LIBFCOE, define NETDEV_FCOE_WWNN and NETDEV_FCOE_WWPN when CONFIG_LIBFCOE is defined. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Reported-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Yi Zou <yi.zou@intel.com> Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Yi Zou <yi.zou@intel.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-25PM QoS: Minor clean-upsJean Pihet1-1/+1
- Misc fixes to improve code readability: * rename struct pm_qos_request_list to struct pm_qos_request, * rename pm_qos_req parameter to req in internal code, consistenly use req in the API parameters, * update the in-kernel API callers to the new parameters names, * rename of fields names (requests, list, node, constraints) Signed-off-by: Jean Pihet <j-pihet@ti.com> Acked-by: markgross <markgross@thegnar.org> Reviewed-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-08-25PM QoS: Move and rename the implementation filesJean Pihet1-1/+1
The PM QoS implementation files are better named kernel/power/qos.c and include/linux/pm_qos.h. The PM QoS support is compiled under the CONFIG_PM option. Signed-off-by: Jean Pihet <j-pihet@ti.com> Acked-by: markgross <markgross@thegnar.org> Reviewed-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-08-23dynamic_debug: make netif_dbg() call __netdev_printk()Jason Baron1-3/+1
Previously, netif_dbg() was using dynamic_dev_dbg() to perform the underlying printk. Fix it to use __netdev_printk(), instead. Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23dynamic_debug: make netdev_dbg() call __netdev_printk()Jason Baron1-2/+4
Previously, if dynamic debug was enabled netdev_dbg() was using dynamic_dev_dbg() to print out the underlying msg. Fix this by making sure netdev_dbg() uses __netdev_printk(). Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-18net: remove ndo_set_multicast_list callbackJiri Pirko1-4/+0
Remove no longer used operation. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-18net: introduce IFF_UNICAST_FLT private flagJiri Pirko1-0/+2
Use IFF_UNICAST_FTL to find out if driver handles unicast address filtering. In case it does not, promisc mode is entered. Patch also fixes following drivers: stmmac, niu: support uc filtering and yet it propagated ndo_set_multicast_list bna, benet, pxa168_eth, ks8851, ks8851_mll, ksz884x : has set ndo_set_rx_mode but do not support uc filtering Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds1-2/+5
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (32 commits) tg3: Remove 5719 jumbo frames and TSO blocks tg3: Break larger frags into 4k chunks for 5719 tg3: Add tx BD budgeting code tg3: Consolidate code that calls tg3_tx_set_bd() tg3: Add partial fragment unmapping code tg3: Generalize tg3_skb_error_unmap() tg3: Remove short DMA check for 1st fragment tg3: Simplify tx bd assignments tg3: Reintroduce tg3_tx_ring_info ASIX: Use only 11 bits of header for data size ASIX: Simplify condition in rx_fixup() Fix cdc-phonet build bonding: reduce noise during init bonding: fix string comparison errors net: Audit drivers to identify those needing IFF_TX_SKB_SHARING cleared net: add IFF_SKB_TX_SHARED flag to priv_flags net: sock_sendmsg_nosec() is static forcedeth: fix vlans gianfar: fix bug caused by 87c288c6e9aa31720b72e2bc2d665e24e1653c3e gro: Only reset frag0 when skb can be pulled ...
2011-07-27gro: Only reset frag0 when skb can be pulledHerbert Xu1-1/+4
Currently skb_gro_header_slow unconditionally resets frag0 and frag0_len. However, when we can't pull on the skb this leaves the GRO fields in an inconsistent state. This patch fixes this by only resetting those fields after the pskb_may_pull test. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-27atomic: use <linux/atomic.h>Arun Sharma1-1/+1
This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: Arun Sharma <asharma@fb.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-26notifiers: net: move netdevice notifiers into netdevice.hAmerigo Wang1-3/+33
It is not necessary to share the same notifier.h. Signed-off-by: WANG Cong <amwang@redhat.com> Acked-by: David Miller <davem@davemloft.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-26net: Convert struct net_device uc_promisc to boolJoe Perches1-1/+1
No need to use int, its uses are boolean. May save a few bytes one day. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22net: Kobj and queues_kset should be used when CONFIG_XPS is enabledChoi, Jong-Hwan1-2/+2
Kobj and queues_kset are used with CONFIG_XPS=y. Signed-off-by: Choi, Jong-Hwan <jhbird.choi@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22vlan: kill ndo_vlan_rx_registerJiri Pirko1-8/+0
has no users so remove it Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22Merge branch 'master' of ↵David S. Miller1-6/+0
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: net/bluetooth/l2cap_core.c
2011-07-17neigh: Kill hh_cache->hh_outputDavid S. Miller1-1/+0
It's just taking on one of two possible values, either neigh_ops->output or dev_queue_xmit(). And this is purely depending upon whether nud_state has NUD_CONNECTED set or not. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-15net: remove NETIF_F_ALL_TX_OFFLOADSMichał Mirosław1-6/+0
There is no software fallback implemented for SCTP or FCoE checksumming, and so it should not be passed on by software devices like bridge or bonding. For VLAN devices, this is different. First, the driver for underlying device should be prepared to get offloaded packets even when the feature is disabled (especially if it advertises it in vlan_features). Second, devices under VLANs do not get replaced without tearing down the VLAN first. This fixes a mess I accidentally introduced while converting bonding to ndo_fix_features. NETIF_F_SOFT_FEATURES are removed from BOND_VLAN_FEATURES because they are unused as of commit 712ae51afd. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-15net: unexport netdev_fix_features()Michał Mirosław1-1/+0
It is not used anywhere except net/core/dev.c now. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: Embed hh_cache inside of struct neighbour.David S. Miller1-14/+1
Now that there is a one-to-one correspondance between neighbour and hh_cache entries, we no longer need: 1) dynamic allocation 2) attachment to dst->hh 3) refcounting Initialization of the hh_cache entry is indicated by hh_len being non-zero, and such initialization is always done with the neighbour's lock held as a writer. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-13net: Kill support for multiple hh_cache entries per neighbourDavid S. Miller1-7/+2
This never, ever, happens. Neighbour entries are always tied to one address family, and therefore one set of dst_ops, and therefore one dst_ops->protocol "hh_type" value. This capability was blindly imported by Alexey Kuznetsov when he wrote the neighbour layer. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-13net: Push protocol type directly down to header_ops->cache()David S. Miller1-1/+1
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-12netdevice: Kill 'feature' test macros.David S. Miller1-12/+0
Almost all of these have long outstayed their welcome. And for every one of these macros, there are 10 features for which we didn't add macros. Let's just delete them all, and get out of habit of doing things this way. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-06-22net: remove mm.h inclusion from netdevice.hAlexey Dobriyan1-1/+0
Remove linux/mm.h inclusion from netdevice.h -- it's unused (I've checked manually). To prevent mm.h inclusion via other channels also extract "enum dma_data_direction" definition into separate header. This tiny piece is what gluing netdevice.h with mm.h via "netdevice.h => dmaengine.h => dma-mapping.h => scatterlist.h => mm.h". Removal of mm.h from scatterlist.h was tried and was found not feasible on most archs, so the link was cutoff earlier. Hope people are OK with tiny include file. Note, that mm_types.h is still dragged in, but it is a separate story. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-21Merge branch 'master' of ↵David S. Miller1-1/+1
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwlwifi/iwl-agn-rxon.c drivers/net/wireless/rtlwifi/pci.c net/netfilter/ipvs/ip_vs_core.c
2011-06-09v2 ethtool: remove support for ETHTOOL_GRXNTUPLEAlexander Duyck1-3/+0
This change is meant to remove all support for displaying an ntuple as strings via ETHTOOL_GRXNTUPLE. The reason for this change is due to the fact that multiple issues have been found including: - Multiple buffer overruns for strings being displayed. - Incorrect filters displayed, cleared filters with ring of -2 are displayed - Setting get_rx_ntuple displays no rules if defined. - Endianess wrong on displayed values. - Hard limit of 1024 filters makes display functionality extremely limited The only driver that had supported this interface was ixgbe. Since it no longer uses the interface and due to the issues mentioned above I am submitting this patch to remove it. v2: Updated based on comments from Ben Hutchings - Left ETH_SS_NTUPLE_FILTERS in code but commented on it being deprecated - Removed ethtool_rx_ntuple_list and ethtool_rx_ntuple_flow_spec_container - Left ETHTOOL_GRXNTUPLE but commented it as deprecated Also cleaned up set_rx_ntuple since there is no flow spec container to maintain we can drop all the code for the alloc and free of it and just return ops->set_rx_ntuple(). Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Acked-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-07net: remove interrupt.h inclusion from netdevice.hAlexey Dobriyan1-1/+0
* remove interrupt.g inclusion from netdevice.h -- not needed * fixup fallout, add interrupt.h and hardirq.h back where needed. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-07net: Rework netdev_drivername() to avoid warning.David S. Miller1-1/+1
This interface uses a temporary buffer, but for no real reason. And now can generate warnings like: net/sched/sch_generic.c: In function dev_watchdog net/sched/sch_generic.c:254:10: warning: unused variable drivername Just return driver->name directly or "". Reported-by: Connor Hansen <cmdkhh@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-20macvlan: remove one synchronize_rcu() callEric Dumazet1-1/+3
When one macvlan device is dismantled, we can avoid one synchronize_rcu() call done after deletion from hash list, since caller will perform a synchronize_net() call after its ndo_stop() call. Add a new netdev->dismantle field to signal this dismantle intent. Reduces RTNL hold time. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Patrick McHardy <kaber@trash.net> CC: Ben Greear <greearb@candelatech.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-13netdevice.h: Align struct net_device membersJoe Perches1-4/+4
Save a bit of space. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-13net: introduce netdev_change_features()Michał Mirosław1-0/+1
It will be needed by bonding and other drivers changing vlan_features after ndo_init callback. As a bonus, this includes kernel-doc for netdev_update_features(). Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-13net: group FCoE related feature flagsYi Zou1-1/+5
Michał Mirosław's patch (http://patchwork.ozlabs.org/patch/94421/) fixes the issue (http://patchwork.ozlabs.org/patch/94188/) about not populating FCoE related flags correctly on vlan devices. However, only NETIF_F_FCOE_CRC is part of the NETIF_F_ALL_TX_OFFLOADS right now, where weed NETIF_F_FCOE_MTU and NETIF_F_FSO as well. Therefore, add NETIF_F_ALL_FCOE to indicate feature flags used by FCoE TX offloads. These include NETIF_F_FCOE_CRC, NETIF_F_FCOE_MTU, and NETIF_F_FSO and add them to be part of NETIF_F_ALL_TX_OFFLOADS. This would eventually make sure all FCoE needed flags are populated properly to vlan devices. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-09net: Allow ethtool to set interface in loopback mode.Mahesh Bandewar1-1/+2
This patch enables ethtool to set the loopback mode on a given interface. By configuring the interface in loopback mode in conjunction with a policy route / rule, a userland application can stress the egress / ingress path exposing the flows of the change in progress and potentially help developer(s) understand the impact of those changes without even sending a packet out on the network. Following set of commands illustrates one such example - a) ip -4 addr add 192.168.1.1/24 dev eth1 b) ip -4 rule add from all iif eth1 lookup 250 c) ip -4 route add local 0/0 dev lo proto kernel scope host table 250 d) arp -Ds 192.168.1.100 eth1 e) arp -Ds 192.168.1.200 eth1 f) sysctl -w net.ipv4.ip_nonlocal_bind=1 g) sysctl -w net.ipv4.conf.all.accept_local=1 # Assuming that the machine has 8 cores h) taskset 000f netserver -L 192.168.1.200 i) taskset 00f0 netperf -t TCP_CRR -L 192.168.1.100 -H 192.168.1.200 -l 30 Signed-off-by: Mahesh Bandewar <maheshb@google.com> Acked-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-30ethtool: Call ethtool's get/set_settings callbacks with cleaned dataDavid Decotigny1-7/+2
This makes sure that when a driver calls the ethtool's get/set_settings() callback of another driver, the data passed to it is clean. This guarantees that speed_hi will be zeroed correctly if the called callback doesn't explicitely set it: we are sure we don't get a corrupted speed from the underlying driver. We also take care of setting the cmd field appropriately (ETHTOOL_GSET/SSET). This applies to dev_ethtool_get_settings(), which now makes sure it sets up that ethtool command parameter correctly before passing it to drivers. This also means that whoever calls dev_ethtool_get_settings() does not have to clean the ethtool command parameter. This function also becomes an exported symbol instead of an inline. All drivers visible to make allyesconfig under x86_64 have been updated. Signed-off-by: David Decotigny <decot@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-29net: allow user to change NETIF_F_HIGHDMAMichał Mirosław1-1/+2
NETIF_F_HIGHDMA is like any other TX offloads, so allow user to toggle it. This is needed later for bridge and bonding convertsion to hw_features. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-29net: fix netdev_increment_features()Michał Mirosław1-1/+6
Simplify and fix netdev_increment_features() to conform to what is stated in netdevice.h comments about NETIF_F_ONE_FOR_ALL. Include FCoE segmentation and VLAN-challedged flags in computation. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-28net: filter: Just In Time compiler for x86-64Eric Dumazet1-0/+1
In order to speedup packet filtering, here is an implementation of a JIT compiler for x86_64 It is disabled by default, and must be enabled by the admin. echo 1 >/proc/sys/net/core/bpf_jit_enable It uses module_alloc() and module_free() to get memory in the 2GB text kernel range since we call helpers functions from the generated code. EAX : BPF A accumulator EBX : BPF X accumulator RDI : pointer to skb (first argument given to JIT function) RBP : frame pointer (even if CONFIG_FRAME_POINTER=n) r9d : skb->len - skb->data_len (headlen) r8 : skb->data To get a trace of generated code, use : echo 2 >/proc/sys/net/core/bpf_jit_enable Example of generated code : # tcpdump -p -n -s 0 -i eth1 host 192.168.20.0/24 flen=18 proglen=147 pass=3 image=ffffffffa00b5000 JIT code: ffffffffa00b5000: 55 48 89 e5 48 83 ec 60 48 89 5d f8 44 8b 4f 60 JIT code: ffffffffa00b5010: 44 2b 4f 64 4c 8b 87 b8 00 00 00 be 0c 00 00 00 JIT code: ffffffffa00b5020: e8 24 7b f7 e0 3d 00 08 00 00 75 28 be 1a 00 00 JIT code: ffffffffa00b5030: 00 e8 fe 7a f7 e0 24 00 3d 00 14 a8 c0 74 49 be JIT code: ffffffffa00b5040: 1e 00 00 00 e8 eb 7a f7 e0 24 00 3d 00 14 a8 c0 JIT code: ffffffffa00b5050: 74 36 eb 3b 3d 06 08 00 00 74 07 3d 35 80 00 00 JIT code: ffffffffa00b5060: 75 2d be 1c 00 00 00 e8 c8 7a f7 e0 24 00 3d 00 JIT code: ffffffffa00b5070: 14 a8 c0 74 13 be 26 00 00 00 e8 b5 7a f7 e0 24 JIT code: ffffffffa00b5080: 00 3d 00 14 a8 c0 75 07 b8 ff ff 00 00 eb 02 31 JIT code: ffffffffa00b5090: c0 c9 c3 BPF program is 144 bytes long, so native program is almost same size ;) (000) ldh [12] (001) jeq #0x800 jt 2 jf 8 (002) ld [26] (003) and #0xffffff00 (004) jeq #0xc0a81400 jt 16 jf 5 (005) ld [30] (006) and #0xffffff00 (007) jeq #0xc0a81400 jt 16 jf 17 (008) jeq #0x806 jt 10 jf 9 (009) jeq #0x8035 jt 10 jf 17 (010) ld [28] (011) and #0xffffff00 (012) jeq #0xc0a81400 jt 16 jf 13 (013) ld [38] (014) and #0xffffff00 (015) jeq #0xc0a81400 jt 16 jf 17 (016) ret #65535 (017) ret #0 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Cc: Ben Hutchings <bhutchings@solarflare.com> Cc: Hagen Paul Pfeifer <hagen@jauu.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-13net: vlan_features comment clarificationMichał Mirosław1-1/+1
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-06 18:51:44 +0300