- 08 May, 2011 2 commits
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David S. Miller authored
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David S. Miller authored
I deleted it by mistake in the TX_CHECKSUM removal commit. Reported-by:
Michał Mirosław <mirqus@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 07 May, 2011 5 commits
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Emil Tantilov authored
OS2BMC registers are available for X540. This patch adds ethtool counters based on those registers. Signed-off-by:
Emil Tantilov <emil.s.tantilov@intel.com> Tested-by:
Evan Swanson <evan.swanson@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Emil Tantilov authored
feed RSS hash into skb->rxhash Signed-off-by:
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Jeff Kirsher authored
Based on patch from Stephen Hemminger. Convert igb driver to use new set_phys_id ethtool interface. CC: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: -
Jeff Kirsher authored
Based on the original patch from Stephen Hemminger. Convert to new LED control infrastucture and remove no longer necessary bits. CC: Stephen Hemminger <shemminger@vyatta.com> Tested-by:
Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by:
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Jeff Kirsher authored
Based on the original patch from Stephen Hemminger. Implement set_phys_id to control LED. CC: Stephen Hemminger <shemminger@vyatta.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
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- 06 May, 2011 4 commits
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David S. Miller authored
Noticed by Joe Perches. Signed-off-by: -
David S. Miller authored
ip_setup_cork() explicitly initializes every member of inet_cork except flags, addr, and opt. So we can simply set those three members to zero instead of using a memset() via an empty struct assignment. Signed-off-by:
Eric Dumazet <eric.dumazet@gmail.com>
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David S. Miller authored
When we fast path datagram sends to avoid locking by putting the inet_cork on the stack we use up lots of space that isn't necessary. This is because inet_cork contains a "struct flowi" which isn't used in these code paths. Split inet_cork to two parts, "inet_cork" and "inet_cork_full". Only the latter of which has the "struct flowi" and is what is stored in inet_sock. Signed-off-by:
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David S. Miller authored
TX checksumming support has been ifdef commented out of this driver for more than 10 years, and it makes references to aspects of the IPv4 stack from back then as well. If someone has one of these rare cards and wants to properly resurrect TX checksumming support, they can still get at this code in the version control history. Signed-off-by:
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- 05 May, 2011 15 commits
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David S. Miller authored
Conflicts: drivers/net/tg3.c
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David S. Miller authored
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
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Anton Blanchard authored
This patch adds a multiple message send syscall and is the send version of the existing recvmmsg syscall. This is heavily based on the patch by Arnaldo that added recvmmsg. I wrote a microbenchmark to test the performance gains of using this new syscall: http://ozlabs.org/~anton/junkcode/sendmmsg_test.c The test was run on a ppc64 box with a 10 Gbit network card. The benchmark can send both UDP and RAW ethernet packets. 64B UDP batch pkts/sec 1 804570 2 872800 (+ 8 %) 4 916556 (+14 %) 8 939712 (+17 %) 16 952688 (+18 %) 32 956448 (+19 %) 64 964800 (+20 %) 64B raw socket batch pkts/sec 1 1201449 2 1350028 (+12 %) 4 1461416 (+22 %) 8 1513080 (+26 %) 16 1541216 (+28 %) 32 1553440 (+29 %) 64 1557888 (+30 %) We see a 20% improvement in throughput on UDP send and 30% on raw socket send. [ Add sparc syscall entries. -DaveM ] Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
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Kurt Van Dijck authored
RTR frames do have a valid data length code on CAN. The driver for SJA1000 did not handle that situation properly. Signed-off-by:
Kurt Van Dijck <kurt.van.dijck@eia.be> Acked-by:
Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by:
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Jiri Pirko authored
Force dev_alloc_name() to be called from register_netdevice() by dev_get_valid_name(). That allows to remove multiple explicit dev_alloc_name() calls. The possibility to call dev_alloc_name in advance remains. This also fixes veth creation regresion caused by 84c49d8cSigned-off-by:
Jiri Pirko <jpirko@redhat.com> Signed-off-by:
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Dmitry Kravkov authored
Signed-off-by:
Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by:
Eilon Greenstein <eilong@broadcom.com> Signed-off-by:
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Dmitry Kravkov authored
Signed-off-by:
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Dmitry Kravkov authored
Signed-off-by:
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Dmitry Kravkov authored
Signed-off-by:
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Dmitry Kravkov authored
Signed-off-by:
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Vladislav Zolotarov authored
To avoid link notification duplication Signed-off-by:
Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by:
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Giuseppe CAVALLARO authored
Reported-by:
Karim Hamiti <karim.hamiti@st.com> Signed-off-by:
Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by:
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Ming Lei authored
This patch makes use of the EVENT_DEV_OPEN flag introduced recently to fix one out of memory issue, which can be reproduced on omap3/4 based pandaboard/beagle XM easily with steps below: - enable runtime pm echo auto > /sys/devices/platform/usbhs-omap.0/ehci-omap.0/usb1/1-1/1-1.1/power/control - ifconfig eth0 up - then out of memroy happened, see [1] for kernel message. Follows my analysis: - 'ifconfig eth0 up' brings eth0 out of suspend, and usbnet_resume is called to schedule dev->bh, then rx urbs are submited to prepare for recieving data; - some usbnet devices will produce garbage rx packets flood if info->reset is not called in usbnet_open. - so there is no enough chances for usbnet_bh to handle and release recieved skb buffers since many rx interrupts consumes cpu, so out of memory for atomic allocation in rx_submit happened. This patch fixes the issue by simply not allowing schedule of usbnet_bh until device is opened. [1], dmesg [ 234.712005] smsc95xx 1-1.1:1.0: rpm_resume flags 0x4 [ 234.712066] usb 1-1.1: rpm_resume flags 0x0 [ 234.712066] usb 1-1: rpm_resume flags 0x0 [ 234.712097] usb usb1: rpm_resume flags 0x0 [ 234.712127] usb usb1: usb auto-resume [ 234.712158] ehci-omap ehci-omap.0: resume root hub [ 234.754028] hub 1-0:1.0: hub_resume [ 234.754821] hub 1-0:1.0: port 1: status 0507 change 0000 [ 234.756011] hub 1-0:1.0: state 7 ports 3 chg 0000 evt 0000 [ 234.756042] hub 1-0:1.0: rpm_resume flags 0x4 [ 234.756072] usb usb1: rpm_resume flags 0x0 [ 234.756164] usb usb1: rpm_resume returns 1 [ 234.756195] hub 1-0:1.0: rpm_resume returns 0 [ 234.756195] hub 1-0:1.0: rpm_suspend flags 0x4 [ 234.756225] hub 1-0:1.0: rpm_suspend returns 0 [ 234.756256] usb usb1: rpm_resume returns 0 [ 234.757141] usb 1-1: usb auto-resume [ 234.793151] ehci-omap ehci-omap.0: GetStatus port:1 status 001005 0 ACK POWER sig=se0 PE CONNECT [ 234.816558] usb 1-1: finish resume [ 234.817871] hub 1-1:1.0: hub_resume [ 234.818420] hub 1-1:1.0: port 1: status 0507 change 0000 [ 234.820495] ehci-omap ehci-omap.0: reused qh eec50220 schedule [ 234.820495] usb 1-1: link qh256-0001/eec50220 start 1 [1/0 us] [ 234.820587] usb 1-1: rpm_resume returns 0 [ 234.820800] hub 1-1:1.0: state 7 ports 5 chg 0000 evt 0000 [ 234.820800] hub 1-1:1.0: rpm_resume flags 0x4 [ 234.820831] hub 1-1:1.0: rpm_resume returns 0 [ 234.820861] hub 1-1:1.0: rpm_suspend flags 0x4 [ 234.820861] hub 1-1:1.0: rpm_suspend returns 0 [ 234.821777] usb 1-1.1: usb auto-resume [ 234.868591] hub 1-1:1.0: state 7 ports 5 chg 0000 evt 0002 [ 234.868591] hub 1-1:1.0: rpm_resume flags 0x4 [ 234.868621] hub 1-1:1.0: rpm_resume returns 0 [ 234.868652] hub 1-1:1.0: rpm_suspend flags 0x4 [ 234.868652] hub 1-1:1.0: rpm_suspend returns 0 [ 234.879486] usb 1-1.1: finish resume [ 234.880279] usb 1-1.1: rpm_resume returns 0 [ 234.880310] smsc95xx 1-1.1:1.0: rpm_resume returns 0 [ 238.880187] ksoftirqd/0: page allocation failure. order:0, mode:0x20 [ 238.880218] Backtrace: [ 238.880249] [<c01b9800>] (dump_backtrace+0x0/0xf8) from [<c065e1dc>] (dump_stack+0x18/0x1c) [ 238.880249] r6:00000000 r5:00000000 r4:00000020 r3:00000002 [ 238.880310] [<c065e1c4>] (dump_stack+0x0/0x1c) from [<c026ece4>] (__alloc_pages_nodemask+0x620/0x724) [ 238.880340] [<c026e6c4>] (__alloc_pages_nodemask+0x0/0x724) from [<c02986d4>] (kmem_getpages.clone.34+0x34/0xc8) [ 238.880371] [<c02986a0>] (kmem_getpages.clone.34+0x0/0xc8) from [<c02988f8>] (cache_grow.clone.42+0x84/0x154) [ 238.880371] r6:ef871aa4 r5:ef871a80 r4:ef81fd40 r3:00000020 [ 238.880401] [<c0298874>] (cache_grow.clone.42+0x0/0x154) from [<c0298b64>] (cache_alloc_refill+0x19c/0x1f0) [ 238.880432] [<c02989c8>] (cache_alloc_refill+0x0/0x1f0) from [<c0299804>] (kmem_cache_alloc+0x90/0x190) [ 238.880462] [<c0299774>] (kmem_cache_alloc+0x0/0x190) from [<c052e260>] (__alloc_skb+0x34/0xe8) [ 238.880493] [<c052e22c>] (__alloc_skb+0x0/0xe8) from [<bf0509f4>] (rx_submit+0x2c/0x1d4 [usbnet]) [ 238.880523] [<bf0509c8>] (rx_submit+0x0/0x1d4 [usbnet]) from [<bf050d38>] (rx_complete+0x19c/0x1b0 [usbnet]) [ 238.880737] [<bf050b9c>] (rx_complete+0x0/0x1b0 [usbnet]) from [<bf006fd0>] (usb_hcd_giveback_urb+0xa8/0xf4 [usbcore]) [ 238.880737] r8:eeeced34 r7:eeecec00 r6:eeecec00 r5:00000000 r4:eec2dd20 [ 238.880767] r3:bf050b9c [ 238.880859] [<bf006f28>] (usb_hcd_giveback_urb+0x0/0xf4 [usbcore]) from [<bf03c8f8>] (ehci_urb_done+0xb0/0xbc [ehci_hcd]) [ 238.880859] r6:00000000 r5:eec2dd20 r4:eeeced44 r3:eec2dd34 [ 238.880920] [<bf03c848>] (ehci_urb_done+0x0/0xbc [ehci_hcd]) from [<bf040204>] (qh_completions+0x308/0x3bc [ehci_hcd]) [ 238.880920] r7:00000000 r6:eeda21a0 r5:ffdfe3c0 r4:eeda21ac [ 238.880981] [<bf03fefc>] (qh_completions+0x0/0x3bc [ehci_hcd]) from [<bf040ef8>] (scan_async+0xb0/0x16c [ehci_hcd]) [ 238.881011] [<bf040e48>] (scan_async+0x0/0x16c [ehci_hcd]) from [<bf040fec>] (ehci_work+0x38/0x90 [ehci_hcd]) [ 238.881042] [<bf040fb4>] (ehci_work+0x0/0x90 [ehci_hcd]) from [<bf042940>] (ehci_irq+0x300/0x34c [ehci_hcd]) [ 238.881072] r4:eeeced34 r3:00000001 [ 238.881134] [<bf042640>] (ehci_irq+0x0/0x34c [ehci_hcd]) from [<bf006828>] (usb_hcd_irq+0x40/0xac [usbcore]) [ 238.881195] [<bf0067e8>] (usb_hcd_irq+0x0/0xac [usbcore]) from [<c0239764>] (handle_irq_event_percpu+0xb8/0x240) [ 238.881225] r6:eec504e0 r5:0000006d r4:eec504e0 r3:bf0067e8 [ 238.881256] [<c02396ac>] (handle_irq_event_percpu+0x0/0x240) from [<c0239930>] (handle_irq_event+0x44/0x64) [ 238.881256] [<c02398ec>] (handle_irq_event+0x0/0x64) from [<c023bbd0>] (handle_level_irq+0xe0/0x114) [ 238.881286] r6:0000006d r5:c080c14c r4:c080c100 r3:00020000 [ 238.881317] [<c023baf0>] (handle_level_irq+0x0/0x114) from [<c01ab090>] (asm_do_IRQ+0x90/0xd0) [ 238.881317] r5:00000000 r4:0000006d [ 238.881347] [<c01ab000>] (asm_do_IRQ+0x0/0xd0) from [<c06624d0>] (__irq_svc+0x50/0x134) [ 238.881378] Exception stack(0xef837e20 to 0xef837e68) [ 238.881378] 7e20: 00000001 00185610 016cc000 c00490c0 eb380000 ef800540 00000020 00004ae0 [ 238.881408] 7e40: 00000020 bf0509f4 60000013 ef837e9c ef837e40 ef837e68 c0226f0c c0298ca0 [ 238.881408] 7e60: 20000013 ffffffff [ 238.881408] r5:fa240100 r4:ffffffff [ 238.881439] [<c0298bb8>] (__kmalloc_track_caller+0x0/0x1d0) from [<c052e284>] (__alloc_skb+0x58/0xe8) [ 238.881469] [<c052e22c>] (__alloc_skb+0x0/0xe8) from [<bf0509f4>] (rx_submit+0x2c/0x1d4 [usbnet]) [ 238.881500] [<bf0509c8>] (rx_submit+0x0/0x1d4 [usbnet]) from [<bf0513d8>] (usbnet_bh+0x1b4/0x250 [usbnet]) [ 238.881530] [<bf051224>] (usbnet_bh+0x0/0x250 [usbnet]) from [<c01f912c>] (tasklet_action+0xb0/0x1f8) [ 238.881530] r6:00000000 r5:ef9757f0 r4:ef9757ec r3:bf051224 [ 238.881561] [<c01f907c>] (tasklet_action+0x0/0x1f8) from [<c01f97ac>] (__do_softirq+0x140/0x290) [ 238.881561] r8:00000006 r7:00000101 r6:00000000 r5:c0806098 r4:00000001 [ 238.881591] r3:c01f907c [ 238.881622] [<c01f966c>] (__do_softirq+0x0/0x290) from [<c01f99cc>] (run_ksoftirqd+0xd0/0x1f4) [ 238.881622] [<c01f98fc>] (run_ksoftirqd+0x0/0x1f4) from [<c02113b0>] (kthread+0x90/0x98) [ 238.881652] r7:00000013 r6:c01f98fc r5:00000000 r4:ef831efc [ 238.881683] [<c0211320>] (kthread+0x0/0x98) from [<c01f62f4>] (do_exit+0x0/0x374) [ 238.881713] r6:c01f62f4 r5:c0211320 r4:ef831efc [ 238.881713] Mem-info: [ 238.881744] Normal per-cpu: [ 238.881744] CPU 0: hi: 186, btch: 31 usd: 38 [ 238.881744] CPU 1: hi: 186, btch: 31 usd: 169 [ 238.881774] HighMem per-cpu: [ 238.881774] CPU 0: hi: 90, btch: 15 usd: 66 [ 238.881774] CPU 1: hi: 90, btch: 15 usd: 86 [ 238.881805] active_anon:544 inactive_anon:71 isolated_anon:0 [ 238.881805] active_file:926 inactive_file:2538 isolated_file:0 [ 238.881805] unevictable:0 dirty:10 writeback:0 unstable:0 [ 238.881805] free:57782 slab_reclaimable:864 slab_unreclaimable:186898 [ 238.881805] mapped:632 shmem:144 pagetables:50 bounce:0 [ 238.881835] Normal free:1328kB min:3532kB low:4412kB high:5296kB active_anon:0kB inactive_anon:0kB active_file:880kB inactive_file:848kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:780288kB mlocked:0kB dirty:36kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:3456kB slab_unreclaimable:747592kB kernel_stack:392kB pagetables:200kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [ 238.881866] lowmem_reserve[]: 0 1904 1904 [ 238.881896] HighMem free:229800kB min:236kB low:508kB high:784kB active_anon:2176kB inactive_anon:284kB active_file:2824kB inactive_file:9304kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:243712kB mlocked:0kB dirty:4kB writeback:0kB mapped:2528kB shmem:576kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [ 238.881927] lowmem_reserve[]: 0 0 0 [ 238.881958] Normal: 0*4kB 4*8kB 6*16kB 0*32kB 1*64kB 1*128kB 0*256kB 2*512kB 0*1024kB 0*2048kB 0*4096kB = 1344kB [ 238.882019] HighMem: 6*4kB 2*8kB 4*16kB 4*32kB 1*64kB 1*128kB 0*256kB 2*512kB 3*1024kB 0*2048kB 55*4096kB = 229800kB [ 238.882080] 3610 total pagecache pages [ 238.882080] 0 pages in swap cache [ 238.882080] Swap cache stats: add 0, delete 0, find 0/0 [ 238.882110] Free swap = 0kB [ 238.882110] Total swap = 0kB [ 238.933776] 262144 pages of RAM [ 238.933776] 58240 free pages [ 238.933776] 10503 reserved pages [ 238.933776] 187773 slab pages [ 238.933807] 2475 pages shared [ 238.933807] 0 pages swap cached Signed-off-by:
Ming Lei <tom.leiming@gmail.com> Acked-by:
Oliver Neukum <oneukum@suse.de> Signed-off-by:
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John W. Linville authored
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem Conflicts: drivers/net/wireless/libertas/if_cs.c drivers/net/wireless/rtlwifi/pci.c net/bluetooth/l2cap_sock.c
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Mohammed Shafi Shajakhan authored
The devices that require IV generation in software need tailroom reservation for ICVs used in TKIP or WEP encryptions. Currently, decision to skip the tailroom reservation in the tx path was taken only on whether driver wants MMIC to be generated in software or not. Following patch appends IV generation check for such decisions and fixes the following warning. WARNING: at net/mac80211/wep.c:101 ieee80211_wep_add_iv+0x56/0xf3() Hardware name: 64756D6 Modules linked in: ath9k ath9k_common ath9k_hw Pid: 0, comm: swapper Tainted: G W 2.6.39-rc5-wl Call Trace: [<c102fd29>] warn_slowpath_common+0x65/0x7a [<c1465c4e>] ? ieee80211_wep_add_iv+0x56/0xf3 [<c102fd4d>] warn_slowpath_null+0xf/0x13 [<c1465c4e>] ieee80211_wep_add_iv+0x56/0xf3 [<c1466007>] ieee80211_crypto_wep_encrypt+0x63/0x88 [<c1478bf3>] ieee80211_tx_h_encrypt+0x2f/0x63 [<c1478cba>] invoke_tx_handlers+0x93/0xe1 [<c1478eda>] ieee80211_tx+0x4b/0x6d [<c147907c>] ieee80211_xmit+0x180/0x188 [<c147779d>] ? ieee80211_skb_resize+0x95/0xd9 [<c1479edf>] ieee80211_subif_start_xmit+0x64f/0x668 [<c13956fc>] dev_hard_start_xmit+0x368/0x48c [<c13a8bd6>] sch_direct_xmit+0x4d/0x101 [<c1395ae1>] dev_queue_xmit+0x2c1/0x43f [<c13a74a2>] ? eth_header+0x1e/0x90 [<c13a7400>] ? eth_type_trans+0x91/0xc2 [<c13a7484>] ? eth_rebuild_header+0x53/0x53 [<c139f079>] neigh_resolve_output+0x223/0x27e [<c13c6b23>] ip_finish_output2+0x1d4/0x1fe [<c13c6bc6>] ip_finish_output+0x79/0x7d [<c13c6cbe>] T.1075+0x43/0x48 [<c13c6e6e>] ip_output+0x75/0x7b [<c13c4970>] dst_output+0xc/0xe [<c13c62c9>] ip_local_out+0x17/0x1a [<c13c67bb>] ip_queue_xmit+0x2aa/0x2f8 [<c138b742>] ? sk_setup_caps+0x21/0x92 [<c13d95ea>] ? __tcp_v4_send_check+0x7e/0xb7 [<c13d5d2e>] tcp_transmit_skb+0x6a1/0x6d7 [<c13d533b>] ? tcp_established_options+0x20/0x8b [<c13d6f28>] tcp_retransmit_skb+0x43a/0x527 [<c13d8d6d>] tcp_retransmit_timer+0x32e/0x45d [<c13d8f23>] tcp_write_timer+0x87/0x16c [<c103a030>] run_timer_softirq+0x156/0x1f9 [<c13d8e9c>] ? tcp_retransmit_timer+0x45d/0x45d [<c1034d65>] __do_softirq+0x97/0x14a [<c1034cce>] ? irq_enter+0x4d/0x4d Cc: Yogesh Powar <yogeshp@marvell.com> Reported-by:
Fabio Rossi <rossi.f@inwind.it> Tested-by:
Mohammed Shafi Shajakhan <mshajakhan@atheros.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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- 04 May, 2011 14 commits
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Kurt Van Dijck authored
can: rename can_try_module_get to can_get_proto can_try_module_get does return a struct can_proto. The name explains what is done in so much detail that a caller may not notice that a struct can_proto is locked/unlocked. Signed-off-by:
Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by:
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Kurt Van Dijck authored
commit 53914b67 had the same message. That commit did put everything in place but did not make can_proto const itself. Signed-off-by:
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Eric Dumazet authored
Commit 4a94445c (net: Use ip_route_input_noref() in input path) added a bug in IP defragmentation handling, in case timeout is fired. When a frame is defragmented, we use last skb dst field when building final skb. Its dst is valid, since we are in rcu read section. But if a timeout occurs, we take first queued fragment to build one ICMP TIME EXCEEDED message. Problem is all queued skb have weak dst pointers, since we escaped RCU critical section after their queueing. icmp_send() might dereference a now freed (and possibly reused) part of memory. Calling skb_dst_drop() and ip_route_input_noref() to revalidate route is the only possible choice. Reported-by:
Denys Fedoryshchenko <denys@visp.net.lb> Signed-off-by:
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David S. Miller authored
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David S. Miller authored
Instead of rt->rt_{dst,src} Signed-off-by: -
David S. Miller authored
First, make callers pass on-stack flowi4 to ip_route_output_gre() so they can get at the fully resolved flow key. Next, use that in ipgre_tunnel_xmit() to avoid the need to use rt->rt_{dst,src}. Signed-off-by: -
David S. Miller authored
This eliminates the need to use rt->rt_{src,dst}. Signed-off-by: -
Don Skidmore authored
PCIe connections should be expressed as GT/s (GigaTransfers per second) instead of the current Gb/s (Gigabits per second). In addition, it is incorrect because (due to PCIe gen 1 & 2 having a 20% overhead) the actually data rate, when expressed in Gb/s, is only 80% of the rate of GT/s. Signed-off-by:
Don Skidmore <donald.c.skidmore@intel.com> Tested-by:
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Emil Tantilov authored
Introduce buffered read/writes which greatly improves performance on parts with large EEPROMs. Previously reading/writing a word requires taking/releasing of synchronization semaphores which adds 10ms to each operation. The optimization is to read/write in buffers, but make sure the semaphore is not held for >500ms according to the datasheet. Since we can't read the EEPROM page size ixgbe_detect_eeprom_page_size() is used to discover the EEPROM size when needed and keeps the result in word_page_size for the rest of the run time. Use buffered reads for ethtool -e. Signed-off-by:
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Emil Tantilov authored
warning: symbol 'before' shadows an earlier one Convert large macros to functions similar to e1000e. Signed-off-by:
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Don Skidmore authored
Correcting a simple typo with enabling software defined pins. I don't believe this was causing any issues but this is how it was meant to be implemented. Signed-off-by:
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Emil Tantilov authored
Change remaining direct calls to function pointers. Signed-off-by:
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stephen hemminger authored
This device lies about supporting phys_id. Remove it and just let the upper layer report not supported. Signed-off-by:
Stephen Hemminger <shemminger@vyatta.com> Tested-by: <jeffrey.e.pieper@intel.com> Signed-off-by:
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Carolyn Wyborny authored
Recent commits have changed how EEPROM size is checked and if the size word is misconfigured, the driver will fail to load. This patch adds a check for invalid size word in the EEPROM and uses default size instead for 82576 parts. Reported-by:
Stefan Assmann <sassmann@redhat.com> Signed-off-by:
Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by:
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