- 10 Sep, 2012 1 commit
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Eric W. Biederman authored
It is a frequent mistake to confuse the netlink port identifier with a process identifier. Try to reduce this confusion by renaming fields that hold port identifiers portid instead of pid. I have carefully avoided changing the structures exported to userspace to avoid changing the userspace API. I have successfully built an allyesconfig kernel with this change. Signed-off-by:
"Eric W. Biederman" <ebiederm@xmission.com> Acked-by:
Stephen Hemminger <shemminger@vyatta.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 08 Sep, 2012 2 commits
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Pablo Neira Ayuso authored
This patch defines netlink_kernel_create as a wrapper function of __netlink_kernel_create to hide the struct module *me parameter (which seems to be THIS_MODULE in all existing netlink subsystems). Suggested by David S. Miller. Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:
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Pablo Neira Ayuso authored
Replace netlink_set_nonroot by one new field `flags' in struct netlink_kernel_cfg that is passed to netlink_kernel_create. This patch also renames NL_NONROOT_* to NL_CFG_F_NONROOT_* since now the flags field in nl_table is generic (so we can add more flags if needed in the future). Also adjust all callers in the net-next tree to use these flags instead of netlink_set_nonroot. Signed-off-by:
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- 07 Sep, 2012 9 commits
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Timur Tabi authored
mdio-mux-mmioreg.c uses function of_address_to_resource(), which is defined in linux/of_address.h. This fixes a compilation error: drivers/net/phy/mdio-mux-mmioreg.c: In function 'mdio_mux_mmioreg_probe': drivers/net/phy/mdio-mux-mmioreg.c:83:2: error: implicit declaration of function 'of_address_to_resource' Reported-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
Timur Tabi <timur@freescale.com> Signed-off-by:
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Eric Dumazet authored
We dont use jhash anymore since route cache removal, so we can get rid of get_random_bytes() calls for rt_genid changes. Signed-off-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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Bjørn Mork authored
Refactoring the bind code lets us use a common driver_info struct for all supported devices, simplifying the code a bit. The real advantage is that devices using the CDC ECM interface layout now also can be added dynamically using the new_id sysfs interface. This simplifies testing of new devices. Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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Bjørn Mork authored
QMI requests exceeding 1500 bytes are possible and device firmware does not handle fragmented messages very well. It is therefore necessary to increase the maximum message size from the current 512 bytes. The protocol message size limit is not documented in any publicly known source, but the out of tree driver from CodeAurora use 4 kB. This is therefore chosen as the new arbitrary default until the real limit is known. This should allow any QMI message to be transmitted without fragmentation, fixing known issues with GPS assistance data upload. Signed-off-by:
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Nicolas Dichtel authored
Since route cache deletion (89aef892), delay is no more used. Remove it. Signed-off-by:
Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by:
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Eric W. Biederman authored
Passing uids and gids on NETLINK_CB from a process in one user namespace to a process in another user namespace can result in the wrong uid or gid being presented to userspace. Avoid that problem by passing kuids and kgids instead. - define struct scm_creds for use in scm_cookie and netlink_skb_parms that holds uid and gid information in kuid_t and kgid_t. - Modify scm_set_cred to fill out scm_creds by heand instead of using cred_to_ucred to fill out struct ucred. This conversion ensures userspace does not get incorrect uid or gid values to look at. - Modify scm_recv to convert from struct scm_creds to struct ucred before copying credential values to userspace. - Modify __scm_send to populate struct scm_creds on in the scm_cookie, instead of just copying struct ucred from userspace. - Modify netlink_sendmsg to copy scm_creds instead of struct ucred into the NETLINK_CB. Signed-off-by:
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Eric Dumazet authored
igmp should call consume_skb() for all correctly processed packets, to avoid false dropwatch/drop_monitor false positives. Reported-by:
Shawn Bohrer <sbohrer@rgmadvisors.com> Signed-off-by:
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Peter Senna Tschudin authored
removes unnecessary semicolon Found by Coccinelle: http://coccinelle.lip6.fr/Signed-off-by:
Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by:
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Nicolas Dichtel authored
It's the same problem that previous fix about blackhole and prohibit routes. When adding a throw route, it was handled like a classic route. Moreover, it was only possible to add this kind of routes by specifying an interface. Before the patch: $ ip route add throw 2001::2/128 RTNETLINK answers: No such device $ ip route add throw 2001::2/128 dev eth0 $ ip -6 route | grep 2001::2 2001::2 dev eth0 metric 1024 After: $ ip route add throw 2001::2/128 $ ip -6 route | grep 2001::2 throw 2001::2 dev lo metric 1024 error -11 Reported-by:
Markus Stenberg <markus.stenberg@iki.fi> Signed-off-by:
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- 06 Sep, 2012 1 commit
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Eric Dumazet authored
Fengguang Wu reported various panics and bisected to commit 8336886f (tcp: TCP Fast Open Server - support TFO listeners) Fix this by making sure socket is a TCP socket before accessing TFO data structures. [ 233.046014] kfree_debugcheck: out of range ptr ea6000000bb8h. [ 233.047399] ------------[ cut here ]------------ [ 233.048393] kernel BUG at /c/kernel-tests/src/stable/mm/slab.c:3074! [ 233.048393] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 233.048393] Modules linked in: [ 233.048393] CPU 0 [ 233.048393] Pid: 3929, comm: trinity-watchdo Not tainted 3.6.0-rc3+ #4192 Bochs Bochs [ 233.048393] RIP: 0010:[<ffffffff81169653>] [<ffffffff81169653>] kfree_debugcheck+0x27/0x2d [ 233.048393] RSP: 0018:ffff88000facbca8 EFLAGS: 00010092 [ 233.048393] RAX: 0000000000000031 RBX: 0000ea6000000bb8 RCX: 00000000a189a188 [ 233.048393] RDX: 000000000000a189 RSI: ffffffff8108ad32 RDI: ffffffff810d30f9 [ 233.048393] RBP: ffff88000facbcb8 R08: 0000000000000002 R09: ffffffff843846f0 [ 233.048393] R10: ffffffff810ae37c R11: 0000000000000908 R12: 0000000000000202 [ 233.048393] R13: ffffffff823dbd5a R14: ffff88000ec5bea8 R15: ffffffff8363c780 [ 233.048393] FS: 00007faa6899c700(0000) GS:ffff88001f200000(0000) knlGS:0000000000000000 [ 233.048393] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 233.048393] CR2: 00007faa6841019c CR3: 0000000012c82000 CR4: 00000000000006f0 [ 233.048393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 233.048393] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 233.048393] Process trinity-watchdo (pid: 3929, threadinfo ffff88000faca000, task ffff88000faec600) [ 233.048393] Stack: [ 233.048393] 0000000000000000 0000ea6000000bb8 ffff88000facbce8 ffffffff8116ad81 [ 233.048393] ffff88000ff588a0 ffff88000ff58850 ffff88000ff588a0 0000000000000000 [ 233.048393] ffff88000facbd08 ffffffff823dbd5a ffffffff823dbcb0 ffff88000ff58850 [ 233.048393] Call Trace: [ 233.048393] [<ffffffff8116ad81>] kfree+0x5f/0xca [ 233.048393] [<ffffffff823dbd5a>] inet_sock_destruct+0xaa/0x13c [ 233.048393] [<ffffffff823dbcb0>] ? inet_sk_rebuild_header +0x319/0x319 [ 233.048393] [<ffffffff8231c307>] __sk_free+0x21/0x14b [ 233.048393] [<ffffffff8231c4bd>] sk_free+0x26/0x2a [ 233.048393] [<ffffffff825372db>] sctp_close+0x215/0x224 [ 233.048393] [<ffffffff810d6835>] ? lock_release+0x16f/0x1b9 [ 233.048393] [<ffffffff823daf12>] inet_release+0x7e/0x85 [ 233.048393] [<ffffffff82317d15>] sock_release+0x1f/0x77 [ 233.048393] [<ffffffff82317d94>] sock_close+0x27/0x2b [ 233.048393] [<ffffffff81173bbe>] __fput+0x101/0x20a [ 233.048393] [<ffffffff81173cd5>] ____fput+0xe/0x10 [ 233.048393] [<ffffffff810a3794>] task_work_run+0x5d/0x75 [ 233.048393] [<ffffffff8108da70>] do_exit+0x290/0x7f5 [ 233.048393] [<ffffffff82707415>] ? retint_swapgs+0x13/0x1b [ 233.048393] [<ffffffff8108e23f>] do_group_exit+0x7b/0xba [ 233.048393] [<ffffffff8108e295>] sys_exit_group+0x17/0x17 [ 233.048393] [<ffffffff8270de10>] tracesys+0xdd/0xe2 [ 233.048393] Code: 59 01 5d c3 55 48 89 e5 53 41 50 0f 1f 44 00 00 48 89 fb e8 d4 b0 f0 ff 84 c0 75 11 48 89 de 48 c7 c7 fc fa f7 82 e8 0d 0f 57 01 <0f> 0b 5f 5b 5d c3 55 48 89 e5 0f 1f 44 00 00 48 63 87 d8 00 00 [ 233.048393] RIP [<ffffffff81169653>] kfree_debugcheck+0x27/0x2d [ 233.048393] RSP <ffff88000facbca8> Reported-by:
Fengguang Wu <wfg@linux.intel.com> Tested-by:
Neal Cardwell <ncardwell@google.com> Acked-by:
H.K. Jerry Chu <hkchu@google.com> Signed-off-by:
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- 05 Sep, 2012 14 commits
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Nicolas Dichtel authored
When adding a blackhole or a prohibit route, they were handling like classic routes. Moreover, it was only possible to add this kind of routes by specifying an interface. Bug already reported here: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=498498 Before the patch: $ ip route add blackhole 2001::1/128 RTNETLINK answers: No such device $ ip route add blackhole 2001::1/128 dev eth0 $ ip -6 route | grep 2001 2001::1 dev eth0 metric 1024 After: $ ip route add blackhole 2001::1/128 $ ip -6 route | grep 2001 blackhole 2001::1 dev lo metric 1024 error -22 v2: wrong patch v3: add a field fc_type in struct fib6_config to store RTN_* type Signed-off-by:
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Sathya Perla authored
This patch allows code to handle the PCIe AER capability. The PCI callbacks for error handling/reset/recovery already exist in be2net and have been tested with EEH/ppc. This patch has been tested using the aer-inject tool. Signed-off-by:
Sathya Perla <sathya.perla@emulex.com> Signed-off-by:
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Eric Dumazet authored
It seems we need to provide ability for stacked devices to use specific lock_class_key for sch->busylock We could instead default l2tpeth tx_queue_len to 0 (no qdisc), but a user might use a qdisc anyway. (So same fixes are probably needed on non LLTX stacked drivers) Noticed while stressing L2TPV3 setup : ====================================================== [ INFO: possible circular locking dependency detected ] 3.6.0-rc3+ #788 Not tainted ------------------------------------------------------- netperf/4660 is trying to acquire lock: (l2tpsock){+.-...}, at: [<ffffffffa0208db2>] l2tp_xmit_skb+0x172/0xa50 [l2tp_core] but task is already holding lock: (&(&sch->busylock)->rlock){+.-...}, at: [<ffffffff81596595>] dev_queue_xmit+0xd75/0xe00 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&(&sch->busylock)->rlock){+.-...}: [<ffffffff810a5df0>] lock_acquire+0x90/0x200 [<ffffffff817499fc>] _raw_spin_lock_irqsave+0x4c/0x60 [<ffffffff81074872>] __wake_up+0x32/0x70 [<ffffffff8136d39e>] tty_wakeup+0x3e/0x80 [<ffffffff81378fb3>] pty_write+0x73/0x80 [<ffffffff8136cb4c>] tty_put_char+0x3c/0x40 [<ffffffff813722b2>] process_echoes+0x142/0x330 [<ffffffff813742ab>] n_tty_receive_buf+0x8fb/0x1230 [<ffffffff813777b2>] flush_to_ldisc+0x142/0x1c0 [<ffffffff81062818>] process_one_work+0x198/0x760 [<ffffffff81063236>] worker_thread+0x186/0x4b0 [<ffffffff810694d3>] kthread+0x93/0xa0 [<ffffffff81753e24>] kernel_thread_helper+0x4/0x10 -> #0 (l2tpsock){+.-...}: [<ffffffff810a5288>] __lock_acquire+0x1628/0x1b10 [<ffffffff810a5df0>] lock_acquire+0x90/0x200 [<ffffffff817498c1>] _raw_spin_lock+0x41/0x50 [<ffffffffa0208db2>] l2tp_xmit_skb+0x172/0xa50 [l2tp_core] [<ffffffffa021a802>] l2tp_eth_dev_xmit+0x32/0x60 [l2tp_eth] [<ffffffff815952b2>] dev_hard_start_xmit+0x502/0xa70 [<ffffffff815b63ce>] sch_direct_xmit+0xfe/0x290 [<ffffffff81595a05>] dev_queue_xmit+0x1e5/0xe00 [<ffffffff815d9d60>] ip_finish_output+0x3d0/0x890 [<ffffffff815db019>] ip_output+0x59/0xf0 [<ffffffff815da36d>] ip_local_out+0x2d/0xa0 [<ffffffff815da5a3>] ip_queue_xmit+0x1c3/0x680 [<ffffffff815f4192>] tcp_transmit_skb+0x402/0xa60 [<ffffffff815f4a94>] tcp_write_xmit+0x1f4/0xa30 [<ffffffff815f5300>] tcp_push_one+0x30/0x40 [<ffffffff815e6672>] tcp_sendmsg+0xe82/0x1040 [<ffffffff81614495>] inet_sendmsg+0x125/0x230 [<ffffffff81576cdc>] sock_sendmsg+0xdc/0xf0 [<ffffffff81579ece>] sys_sendto+0xfe/0x130 [<ffffffff81752c92>] system_call_fastpath+0x16/0x1b Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&sch->busylock)->rlock); lock(l2tpsock); lock(&(&sch->busylock)->rlock); lock(l2tpsock); *** DEADLOCK *** 5 locks held by netperf/4660: #0: (sk_lock-AF_INET){+.+.+.}, at: [<ffffffff815e581c>] tcp_sendmsg+0x2c/0x1040 #1: (rcu_read_lock){.+.+..}, at: [<ffffffff815da3e0>] ip_queue_xmit+0x0/0x680 #2: (rcu_read_lock_bh){.+....}, at: [<ffffffff815d9ac5>] ip_finish_output+0x135/0x890 #3: (rcu_read_lock_bh){.+....}, at: [<ffffffff81595820>] dev_queue_xmit+0x0/0xe00 #4: (&(&sch->busylock)->rlock){+.-...}, at: [<ffffffff81596595>] dev_queue_xmit+0xd75/0xe00 stack backtrace: Pid: 4660, comm: netperf Not tainted 3.6.0-rc3+ #788 Call Trace: [<ffffffff8173dbf8>] print_circular_bug+0x1fb/0x20c [<ffffffff810a5288>] __lock_acquire+0x1628/0x1b10 [<ffffffff810a334b>] ? check_usage+0x9b/0x4d0 [<ffffffff810a3f44>] ? __lock_acquire+0x2e4/0x1b10 [<ffffffff810a5df0>] lock_acquire+0x90/0x200 [<ffffffffa0208db2>] ? l2tp_xmit_skb+0x172/0xa50 [l2tp_core] [<ffffffff817498c1>] _raw_spin_lock+0x41/0x50 [<ffffffffa0208db2>] ? l2tp_xmit_skb+0x172/0xa50 [l2tp_core] [<ffffffffa0208db2>] l2tp_xmit_skb+0x172/0xa50 [l2tp_core] [<ffffffffa021a802>] l2tp_eth_dev_xmit+0x32/0x60 [l2tp_eth] [<ffffffff815952b2>] dev_hard_start_xmit+0x502/0xa70 [<ffffffff81594e0e>] ? dev_hard_start_xmit+0x5e/0xa70 [<ffffffff81595961>] ? dev_queue_xmit+0x141/0xe00 [<ffffffff815b63ce>] sch_direct_xmit+0xfe/0x290 [<ffffffff81595a05>] dev_queue_xmit+0x1e5/0xe00 [<ffffffff81595820>] ? dev_hard_start_xmit+0xa70/0xa70 [<ffffffff815d9d60>] ip_finish_output+0x3d0/0x890 [<ffffffff815d9ac5>] ? ip_finish_output+0x135/0x890 [<ffffffff815db019>] ip_output+0x59/0xf0 [<ffffffff815da36d>] ip_local_out+0x2d/0xa0 [<ffffffff815da5a3>] ip_queue_xmit+0x1c3/0x680 [<ffffffff815da3e0>] ? ip_local_out+0xa0/0xa0 [<ffffffff815f4192>] tcp_transmit_skb+0x402/0xa60 [<ffffffff815fa25e>] ? tcp_md5_do_lookup+0x18e/0x1a0 [<ffffffff815f4a94>] tcp_write_xmit+0x1f4/0xa30 [<ffffffff815f5300>] tcp_push_one+0x30/0x40 [<ffffffff815e6672>] tcp_sendmsg+0xe82/0x1040 [<ffffffff81614495>] inet_sendmsg+0x125/0x230 [<ffffffff81614370>] ? inet_create+0x6b0/0x6b0 [<ffffffff8157e6e2>] ? sock_update_classid+0xc2/0x3b0 [<ffffffff8157e750>] ? sock_update_classid+0x130/0x3b0 [<ffffffff81576cdc>] sock_sendmsg+0xdc/0xf0 [<ffffffff81162579>] ? fget_light+0x3f9/0x4f0 [<ffffffff81579ece>] sys_sendto+0xfe/0x130 [<ffffffff810a69ad>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff8174a0b0>] ? _raw_spin_unlock_irq+0x30/0x50 [<ffffffff810757e3>] ? finish_task_switch+0x83/0xf0 [<ffffffff810757a6>] ? finish_task_switch+0x46/0xf0 [<ffffffff81752cb7>] ? sysret_check+0x1b/0x56 [<ffffffff81752c92>] system_call_fastpath+0x16/0x1b Signed-off-by: -
Wei Yongjun authored
Using list_move_tail() instead of list_del() + list_add_tail(). spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by:
Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by:
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Stephen Rothwell authored
Fixes this build error: net/ipv6/netfilter/nf_nat_l3proto_ipv6.c: In function 'nf_nat_ipv6_csum_recalc': net/ipv6/netfilter/nf_nat_l3proto_ipv6.c:144:4: error: implicit declaration of function 'csum_ipv6_magic' [-Werror=implicit-function-declaration] Signed-off-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
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Vipul Pandya authored
Removed duplicate definition for SGE_PF_KDOORBELL, SGE_INT_ENABLE3, PCIE_MEM_ACCESS_OFFSET registers. Moved the register field definitions around the register definition. Signed-off-by:
Santosh Rastapur <santosh@chelsio.com> Signed-off-by:
Vipul Pandya <vipul@chelsio.com> Reviewed-by:
Sivakumar Subramani <sivasu@chelsio.com> Signed-off-by:
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Vipul Pandya authored
cxgb4 driver has duplicate definitions of registers which will be removed. This patch updates the RDMA/cxgb4 driver accordingly. Signed-off-by:
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Nikolay Aleksandrov authored
Currently when the NIC duplex state is DUPLEX_UNKNOWN it is exported as full through sysfs, this patch adds support for DUPLEX_UNKNOWN. It is handled the same way as in ethtool. Signed-off-by:
Nikolay Aleksandrov <naleksan@redhat.com> Signed-off-by:
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Oliver Neukum authored
This reverts commit 5d65878d7031b6c39054b282faceff406bb2fda9. The upper layers call usbnet_start_xmit() with a valid skb. However cdc_ncm abuses this method by calling it with NULL to trigger IO for the aggregated private skb holding erlier packets. Until cdc_ncm is fixed, the check for NULL must be reintroduced. Signed-off-by:
Oliver Neukum <oneukum@suse.de> Signed-off-by:
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Julian Anastasov authored
Add support for genl "tcp_metrics". No locking is changed, only that now we can unlink and delete entries after grace period. We implement get/del for single entry and dump to support show/flush filtering in user space. Del without address attribute causes flush for all addresses, sadly under genl_mutex. v2: - remove rcu_assign_pointer as suggested by Eric Dumazet, it is not needed because there are no other writes under lock - move the flushing code in tcp_metrics_flush_all v3: - remove synchronize_rcu on flush as suggested by Eric Dumazet Signed-off-by:
Julian Anastasov <ja@ssi.bg> Signed-off-by:
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Eliezer Tamir authored
Remove a for loop that does nothing in ixgbe_probe(). This is a remnant from when we had IO bars (compare to the ixgb code). Signed-off-by:
Eliezer Tamir <eliezer.tamir@linux.intel.com> Tested-by:
Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Akeem G. Abodunrin authored
This patch add ethtool supports for Supported and Advertised Pause Frame, based on Adapter Flow Control settings. Signed-off-by:
Akeem G. Abodunrin <akeem.g.abodunrin@intel.com> Tested-by:
Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by:
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Eric Dumazet authored
Reduce skb truesize by 256 bytes. Signed-off-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
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Carolyn Wyborny authored
Early release of i210 devices had the loopback test of the ethtool self-test disabled. This patch enables the loopback test for i210 devices. Signed-off-by:
Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by:
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- 04 Sep, 2012 8 commits
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Masatake YAMATO authored
lsof reports some of socket descriptors as "can't identify protocol" like: [yamato@localhost]/tmp% sudo lsof | grep dbus | grep iden dbus-daem 652 dbus 6u sock ... 17812 can't identify protocol dbus-daem 652 dbus 34u sock ... 24689 can't identify protocol dbus-daem 652 dbus 42u sock ... 24739 can't identify protocol dbus-daem 652 dbus 48u sock ... 22329 can't identify protocol ... lsof cannot resolve the protocol used in a socket because procfs doesn't provide the map between inode number on sockfs and protocol type of the socket. For improving the situation this patch adds an extended attribute named 'system.sockprotoname' in which the protocol name for /proc/PID/fd/SOCKET is stored. So lsof can know the protocol for a given /proc/PID/fd/SOCKET with getxattr system call. A few weeks ago I submitted a patch for the same purpose. The patch was introduced /proc/net/sockfs which enumerates inodes and protocols of all sockets alive on a system. However, it was rejected because (1) a global lock was needed, and (2) the layout of struct socket was changed with the patch. This patch doesn't use any global lock; and doesn't change the layout of any structs. In this patch, a protocol name is stored to dentry->d_name of sockfs when new socket is associated with a file descriptor. Before this patch dentry->d_name was not used; it was just filled with empty string. lsof may use an extended attribute named 'system.sockprotoname' to retrieve the value of dentry->d_name. It is nice if we can see the protocol name with ls -l /proc/PID/fd. However, "socket:[#INODE]", the name format returned from sockfs_dname() was already defined. To keep the compatibility between kernel and user land, the extended attribute is used to prepare the value of dentry->d_name. Signed-off-by:Masatake YAMATO <yamato@redhat.com> Signed-off-by:
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Alan Ott authored
Driver for the Microchip MRF24J40 802.15.4 WPAN module. Signed-off-by:
Alan Ott <alan@signal11.us> Signed-off-by:
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David S. Miller authored
Stephen Rothwell says: ==================== After merging the final tree, today's linux-next build (powerpc ppc44x_defconfig) failed like this: net/built-in.o: In function `tcp_fastopen_ctx_free': tcp_fastopen.c:(.text+0x5cc5c): undefined reference to `crypto_destroy_tfm' net/built-in.o: In function `tcp_fastopen_reset_cipher': (.text+0x5cccc): undefined reference to `crypto_alloc_base' net/built-in.o: In function `tcp_fastopen_reset_cipher': (.text+0x5cd6c): undefined reference to `crypto_destroy_tfm' Presumably caused by commit 10467163 ("tcp: TCP Fast Open Server - header & support functions") from the net-next tree. I assume that some dependency on the CRYPTO infrastructure is missing. I have reverted commit 1bed966c ("Merge branch 'tcp_fastopen_server'") for today. ==================== Reported-by:
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Wei Yongjun authored
Using list_move_tail() instead of list_del() + list_add_tail(). spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by:
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Oliver Neukum authored
usbnet_start_xmit() is always called with a valid skb Signed-off-by:
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Pravin B Shelar authored
Use hash table to store ports of datapath. Allow 64K ports per switch. Signed-off-by:
Pravin B Shelar <pshelar@nicira.com> Signed-off-by:
Jesse Gross <jesse@nicira.com>
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- 03 Sep, 2012 5 commits
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Yuchung Cheng authored
Use proportional rate reduction (PRR) algorithm to reduce cwnd in CWR state, in addition to Recovery state. Retire the current rate-halving in CWR. When losses are detected via ACKs in CWR state, the sender enters Recovery state but the cwnd reduction continues and does not restart. Rename and refactor cwnd reduction functions since both CWR and Recovery use the same algorithm: tcp_init_cwnd_reduction() is new and initiates reduction state variables. tcp_cwnd_reduction() is previously tcp_update_cwnd_in_recovery(). tcp_ends_cwnd_reduction() is previously tcp_complete_cwr(). The rate halving functions and logic such as tcp_cwnd_down(), tcp_min_cwnd(), and the cwnd moderation inside tcp_enter_cwr() are removed. The unused parameter, flag, in tcp_cwnd_reduction() is also removed. Signed-off-by:
Yuchung Cheng <ycheng@google.com> Acked-by:
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Yuchung Cheng authored
To prepare replacing rate halving with PRR algorithm in CWR state. Signed-off-by:
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Yuchung Cheng authored
To prepare replacing rate halving with PRR algorithm in CWR state. Signed-off-by:
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Bjørn Mork authored
The rx_urb_size is set to the same value for every device supported by this driver. No need to keep a per-device data structure to do that. Replacing with a macro constant. This was the last device specific info, and removing it allows us to delete the sierra_net_info_data struct. Signed-off-by:
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Bjørn Mork authored
Signed-off-by:
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