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2009-03-27Revert "ax25: zero length frame filtering in AX25"David S. Miller
This reverts commit f99bcff7a290768e035f3d4726e103c6ebe858bf. Like netrom, Alan Cox says that zero lengths have real meaning and are useful in this protocol. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27Revert "netrom: zero length frame filtering in NetRom"David S. Miller
This reverts commit a3ac80a130300573de351083cf4a5b46d233e8bf. Alan Cox says that zero length writes do have special meaning and are useful in this protocol. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27ucc_geth: Fix three oopses in PHY {de,}initialization codeAnton Vorontsov
When there are no free snums, UCC ethernet should gracefully fail, but currently it oopses this way: # ifconfig eth0 up fill_init_enet_entries: Can not get SNUM. ucc_geth_startup: Can not fill p_init_enet_param_shadow. eth0: Cannot configure net device, aborting. Unable to handle kernel paging request for data at address 0x00000190 Faulting instruction address: 0xc0294c88 Oops: Kernel access of bad area, sig: 11 [#1] [...] NIP [c0294c88] mutex_lock+0x0/0x1c LR [c01b6be8] phy_stop+0x20/0x70 Call Trace: [efb25da0] [efb2eb60] 0xefb2eb60 (unreliable) [efb25db0] [c01b2058] ucc_geth_stop+0x2c/0x8c [efb25dd0] [c01b4194] ucc_geth_open+0x48/0x27c [efb25df0] [c020eec0] dev_open+0xc0/0x118 [...] This is because the ucc_geth_stop() routine assumes that ugeth->phydev is always initialized by the ucc_geth_open(), while it is not in case of errors. If we add a check to the ucc_geth_stop(), then another oops pops up: Unable to handle kernel paging request for data at address 0x00000004 Faulting instruction address: 0xc01b46a4 Oops: Kernel access of bad area, sig: 11 [#1] [...] NIP [c01b46a4] adjust_link+0x20/0x1b4 LR [c01b770c] phy_state_machine+0xdc/0x44c Call Trace: [ef83bf10] [c021b388] linkwatch_schedule_work+0x74/0xf8 (unreliable) [ef83bf40] [c01b770c] phy_state_machine+0xdc/0x44c [ef83bf60] [c004c13c] run_workqueue+0xb8/0x148 [ef83bf90] [c004c870] worker_thread+0x70/0xd0 [ef83bfd0] [c00505fc] kthread+0x48/0x84 [ef83bff0] [c000f464] kernel_thread+0x4c/0x68 [...] That one happens because ucc_geth_stop() does not call phy_disconnect() and so phylib state machine is running without any idea that a MAC has just died. Also, when device tree specifies fixed-link, and CONFIG_FIXED_PHY is disabled, we'll get this oops: 0:01 not found eth2: Could not attach to PHY eth2: Cannot initialize PHY, aborting. Unable to handle kernel paging request for data at address 0x00000190 Faulting instruction address: 0xc02967d0 Oops: Kernel access of bad area, sig: 11 [#1] [...] NIP [c02967d0] mutex_lock+0x0/0x1c LR [c01b6bcc] phy_stop+0x20/0x70 Call Trace: [ef82be50] [efb6bb60] 0xefb6bb60 (unreliable) [ef82be60] [c01b2058] ucc_geth_stop+0x2c/0x8c [ef82be80] [c01b4194] ucc_geth_open+0x48/0x27c [ef82bea0] [c0210a04] dev_open+0xc0/0x118 [ef82bec0] [c020f85c] dev_change_flags+0x84/0x1ac [ef82bee0] [c037b768] ic_open_devs+0x168/0x2bc [ef82bf20] [c037ca98] ip_auto_config+0x90/0x28c [ef82bf60] [c0001b9c] do_one_initcall+0x34/0x1a0 [ef82bfd0] [c035e240] do_initcalls+0x38/0x58 [ef82bfe0] [c035e2c4] kernel_init+0x30/0x90 [ef82bff0] [c000f464] kernel_thread+0x4c/0x68 [...] And again, ucc_geth_stop() assumes that ugeth->phydev is there, while it isn't. This patch fixes all three oopses simply by rearranging some code: - In ucc_geth_open(): move init_phy() call to the beginning, so that we only call ucc_geth_stop() with a PHY attached; - Move phy_disconnect() call from ucc_geth_close() to ucc_geth_stop(), so that we'll always disconnect the PHY. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27net: Add missing include into include/linux/netdevice.hDmitri Vorobiev
The inline function skb_gro_mac_header defined in include/linux/netdevice.h makes use of page_address(). Depending on configuration options, the latter is either defined as a macro or is declared as a function in another header file, namely include/linux/mm.h. However, include/linux/netdevice.h does not include include/linux/mm.h. On MIPS, this has produced the following build error: CC kernel/sysctl_check.o In file included from include/linux/icmpv6.h:173, from include/linux/ipv6.h:208, from include/net/ip_vs.h:26, from kernel/sysctl_check.c:6: include/linux/netdevice.h: In function 'skb_gro_mac_header': include/linux/netdevice.h:1132: error: implicit declaration of function 'page_address' include/linux/netdevice.h:1133: warning: pointer/integer type mismatch in conditional expression make[1]: *** [kernel/sysctl_check.o] Error 1 make: *** [kernel] Error 2 The patch adds the missing include and fixes the build error. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27gianfar: only check headroom when FCB is neededLi Yang
Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller
2009-03-27gianfar: Fix kfree(skb)David S. Miller
Noticed by Li Yang. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27cxgb3: map entire Rx page, feed map+offset to Rx ring.Divy Le Ray
DMA mapping can be expensive in the presence of iommus. Reduce the Rx iommu activity by mapping an entire page, and provide the H/W the mapped address + offset of the current page chunk. Reserve bits at the end of the page to track mapping references, so the page can be unmapped. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27cxgb3: differentiate portx and Tx channelsDivy Le Ray
Separate ports from H/W Tx channels. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27cxgb3: use resource_size_t for mmio declarationsDivy Le Ray
Use resource_size_t to declare mmio start and len variables. Print PEX error register after EEH resumed. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27cxgb3: sge setup fixesDivy Le Ray
Enable timestamps, update delayed ack threshold for iSCSI/iWARP traffic Remove the len flag in Tx requests. It might corrupt offload trace packets. Update SGE context setup to avoid potential H/W misprogrammation. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27cxgb3: start qset timers when setup succeededDivy Le Ray
Start queue set reclaim timers after the queue sets have been allocated successfully. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert eth16i to net_device_opsStephen Hemminger
Also, get rid of unnecessary memset. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert cs89x0 to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert lp486e to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert ac3200 to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert ni65 to net_device_opsStephen Hemminger
Also, use internal net_device_stats. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert ni52 to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert ewrk3 to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert depca to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert at1700 to net_device_opsStephen Hemminger
Remove unneeded memset (alloc_etherdev does it already). Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert eexpro to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: convert eexpress to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: ibmlana convert to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27lance: convert to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: smc-ultra fix netpollStephen Hemminger
net_device_ops conversion left the wrong poll_controller hook. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: smc-ultra32 convert to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: smc9194 convert to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27netdev: seeq8005 convert to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27wireless: convert wavelan to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27wireless: convert arlan to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27wan: convert sdla driver to net_device_opsStephen Hemminger
Also use internal net_device_stats Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27tokenring: convert smctr to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27tokenring: convert drivers to net_device_opsStephen Hemminger
Convert madge and proteon drivers which are really just subclasses of tms380. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27IRDA: convert donauboe to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27appletalk: convert LTPC to net_device_opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27appletalk: convert LTPC to use internal net_device_statsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27appltetalk: convert cops device to net_device opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27appletalk: convert cops to internal net_device_statsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27uml: convert network device to netdevice opsStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27uml: convert network device to internal network device statsStephen Hemminger
Convert the UML network device to use internal network device stats. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-273c503, smc-ultra: netdev_ops bugsStephen Hemminger
A couple of drivers have leftovers from netdev ops conversion. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27smsc911x: enforce read-after-write timing restriction on eeprom accessSteve Glendinning
The LAN911x datasheet specifies a minimum delay of 45ns between a write of E2P_DATA and any read. This patch adds a single dummy read of BYTE_TEST to enforce this timing constraint. Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27gianfar: fix headroom expansion codeStephen Hemminger
The code that was added to increase headroom was wrong. It doesn't handle the case where gfar_add_fcb() changes the skb. Better to do check at start of transmit (outside of lock), where error handling is better anyway. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27af_rose/x25: Sanity check the maximum user frame sizeAlan Cox
Otherwise we can wrap the sizes and end up sending garbage. Closes #10423 Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27appletalk: this warning can go I thinkAlan Cox
Its past 2.2 ... Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27benet: use do_div() for 64 bit divideStephen Hemminger
The benet driver is doing a 64 bit divide, which is not supported in Linux kernel on 32 bit architectures. The correct way to do this is to use do_div(). Compile tested on i386 only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27xfrm: spin_lock() should be spin_unlock() in xfrm_state.cChuck Ebbert
spin_lock() should be spin_unlock() in xfrm_state_walk_done(). caused by: commit 12a169e7d8f4b1c95252d8b04ed0f1033ed7cfe2 "ipsec: Put dumpers on the dump list" Reported-by: Marc Milgram <mmilgram@redhat.com> Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27ipv6: Plug sk_buff leak in ipv6_rcv (net/ipv6/ip6_input.c)Jesper Nilsson
Commit 778d80be52699596bf70e0eb0761cf5e1e46088d (ipv6: Add disable_ipv6 sysctl to disable IPv6 operaion on specific interface) seems to have introduced a leak of sk_buff's for ipv6 traffic, at least in some configurations where idev is NULL, or when ipv6 is disabled via sysctl. The problem is that if the first condition of the if-statement returns non-NULL, it returns an skb with only one reference, and when the other conditions apply, execution jumps to the "out" label, which does not call kfree_skb for it. To plug this leak, change to use the "drop" label instead. (this relies on it being ok to call kfree_skb on NULL) This also allows us to avoid calling rcu_read_unlock here, and removes the only user of the "out" label. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-27net: Add support for the OpenCores 10/100 Mbps Ethernet MAC.Thierry Reding
This patch adds a platform device driver that supports the OpenCores 10/100 Mbps Ethernet MAC. The driver expects three resources: one IORESOURCE_MEM resource defines the memory region for the core's memory-mapped registers while a second IORESOURCE_MEM resource defines the network packet buffer space. The third resource, of type IORESOURCE_IRQ, associates an interrupt with the driver. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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