o Added identifying strings for 8300 Series of adapters.
o updated PCI_VENDOR_ID_QLOGIC and PCI_DEVICE_ID_824X for 8200
Series adapter.
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
o Read eSwitch statistics from adapter and display them as part
of ethtool statistics.
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
As part of PCIe Advanced Error Reporting flow, if a fatal PCI error occurs,
the AER driver will cause bnx2x's PCI-core to reset. The driver's PCI error
handlers will in turn restore the PCI configuration space values by calling
`pci_restore_state'.
However, as bnx2x does not save the PCI configuration after restoration,
An additional fatal PCI error will leave the function in an unstable state
until reboot, as the registers in the PCI configuration space will contain
reset values.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
There exists an `allocation race' between the CNIC and bnx2x drivers,
in which both drivers allocate the same t2 memory while disregarding a possible
previous allocation.
Additionally, due to the current order of memory releases, some of the
ILT memory in the driver is not released correctly when unloading the driver.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Improved support for adding/removing vf mac addresses.
This includes the case where HyperVisor forced the address (sampled from
bulletin board), and the case where it did not in which the VF can
configure its own mac address.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This patch introduces a more robust error handling flow in case of incorrect
behaviour by the FW when passing on GRO aggregations.
Although this should never happen (i.e., this is merely a theoretical fix),
if the bnx2x driver was to receive a GRO from FW with protocol other than
IPv4/IPv6, the driver would falsely claim to have performed partial
checksum and set various incorrect fields in the skb header.
Current behaviour of the bnx2x driver (i.e., print an error) is insufficient.
This patch remedies this by simply preventing the false claims.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 24 Apr 2013 20:30:23 +0000 (16:30 -0400)]
Merge branch 'mlx4'
Or Gerlitz says:
====================
This series adds support for the SRIOV ndo_set_vf callbacks to the mlx4 driver.
Series done against the net-next tree as of commit 0c501345c "batman-adv: fix
global protection fault during soft_iface destruction".
We have successfully tested the series on net-next, except for getting
the VF link info issue I have reported earlier today on netdev, we
see the problem for both ixgbe and mlx4 VFs. Just to make sure get
VF config is working OK with patch #6 - we have run it over 3.8.8 too.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Amir Vadai [Tue, 23 Apr 2013 06:06:51 +0000 (06:06 +0000)]
net/mlx4_en: Add a service task
Add a service task to run tasks that needed to be executed periodically.
Currently the only task is a watchdog to catch NIC clock overflow, to make
timestamping accurate.
Will move the statistics task into this framework in a later patch.
Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Amir Vadai [Tue, 23 Apr 2013 06:06:50 +0000 (06:06 +0000)]
net/mlx4_en: Support software timestamping
Kernel software timestamping requires that the driver calls skb_tx_timestamp
just before passing the skb to the HW MAC layer. This patch adds this call.
Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Amir Vadai [Tue, 23 Apr 2013 06:06:49 +0000 (06:06 +0000)]
net/mlx4_en: Add HW timestamping (TS) support
The patch allows to enable/disable HW timestamping for incoming and/or
outgoing packets. It adds and initializes all structs and callbacks
needed by kernel TS API.
To enable/disable HW timestamping appropriate ioctl should be used.
Currently HWTSTAMP_FILTER_ALL/NONE and HWTSAMP_TX_ON/OFF only are
supported.
When enabling TS on receive flow - VLAN stripping will be disabled.
Also were made all relevant changes in RX/TX flows to consider TS request
and plant HW timestamps into relevant structures.
mlx4_ib was fixed to compile with new mlx4_cq_alloc() signature.
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net/mlx4_core: Read HCA frequency and map internal clock
Read HCA frequency, read PCI clock bar and offset, map internal clock to
PCI bar.
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Add new device capability for timestamping support and query FW to retrieve it.
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 24 Apr 2013 20:27:02 +0000 (16:27 -0400)]
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next
John W. Linville says:
====================
Here is one last(?) big wireless bits pull request before the merge window...
Regarding the mac80211 bits, Johannes says:
"Here's another big pull request for the -next stream. This one has a ton
of driver updates, which hopefully addresses all drivers, but maybe you
have more new drivers than I have in my tree? Not entirely sure, let me
know if this is the case and then I can merge wireless-next.
I'm including a large number of small changes, see the shortlog. The two
bigger things are making VHT compatible with not using channel contexts
(from Karl) and the stop-while-suspended fixes I developed together with
Stanislaw."
...and...
"This time I have a relatively large number of fixes and small
improvements, the most important one being Bob's RCU fix. The two big
things are Felix's work on rate scaling tables (with a big thanks to
Karl too) and my own work on CSA handling to finally properly handle HT
(and some VHT.)"
As for the iwlwifi bits, Johannes says:
"The biggest work here is Bluetooth coexistence and power saving. Other
than that, I have a few small fixes that weren't really needed for 3.9
and a new PCI ID."
About the NFC bits, Samuel says:
"With this one we have:
- A major pn533 update. The pn533 framing support has been changed in order to
easily support all pn533 derivatives. For example we now support the ACR122
USB dongle.
- An NFC MEI physical layer code factorization through the mei_phy NFC API.
Both the microread and the pn544 drivers now use it.
- LLCP aggregation support. This allows NFC p2p devices to send aggregated
frames containing all sort of LLCP frames except SYMM and aggregation
frames.
- More LLCP socket options for getting the remote device link parameters.
- Fixes for the LLCP socket option code added with the first pull request for
3.10.
- Some support for LLCP corner cases like 0 length SDUs and general DISC
(tagged with a 0,0 dsap ssap couple) handling.
- RFKILL support for NFC."
For the b43 bits, Rafał says:
"Let me remind the changes for b43:
> Changes include:
> 1) Minor improvements for HT-PHY code (BCM4331)
> 2) Code cleaning for HT-PHY and N-PHY"
Concerning the bluetooth bits, Gustavo says:
"A set of changes intended for 3.10. The biggest changes here are from David
Herrmann, he rewrote most of the HIDP layer making it more reliable. Marcel
added a driver setup stage for device that need special handling on their
early initialization. Other than that we have the usual clean ups, bugfixes
and small improvements."
Along with all that, there is the usual collection of random/various
updates to ath9k, mwifiex, brcmfmac, brcmsmac, rt2x00, and wil6210.
I also included a pull of the wireless tree to resolve a merge conflict.
Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Nicolas Dichtel [Wed, 24 Apr 2013 08:36:23 +0000 (10:36 +0200)]
netlink: fix compilation after memory mapped patches
Depending of the kernel configuration (CONFIG_UIDGID_STRICT_TYPE_CHECKS), we can
get the following errors:
net/netlink/af_netlink.c: In function ‘netlink_queue_mmaped_skb’:
net/netlink/af_netlink.c:663:14: error: incompatible types when assigning to type ‘__u32’ from type ‘kuid_t’
net/netlink/af_netlink.c:664:14: error: incompatible types when assigning to type ‘__u32’ from type ‘kgid_t’
net/netlink/af_netlink.c: In function ‘netlink_ring_set_copied’:
net/netlink/af_netlink.c:693:14: error: incompatible types when assigning to type ‘__u32’ from type ‘kuid_t’
net/netlink/af_netlink.c:694:14: error: incompatible types when assigning to type ‘__u32’ from type ‘kgid_t’
We must use the helpers to get the uid and gid, and also take care of user_ns.
Fix suggested by Eric W. Biederman <ebiederm@xmission.com>.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Tue, 23 Apr 2013 19:39:03 +0000 (15:39 -0400)]
netlink: Fix build with mmap disabled.
net/netlink/diag.c: In function 'sk_diag_put_rings_cfg':
net/netlink/diag.c:28:17: error: 'struct netlink_sock' has no member named 'pg_vec_lock'
net/netlink/diag.c:29:29: error: 'struct netlink_sock' has no member named 'rx_ring'
net/netlink/diag.c:31:30: error: 'struct netlink_sock' has no member named 'tx_ring'
net/netlink/diag.c:33:19: error: 'struct netlink_sock' has no member named 'pg_vec_lock'
Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Andreas Fenkart [Thu, 18 Apr 2013 23:34:12 +0000 (16:34 -0700)]
mwifiex: rework round robin scheduling of bss nodes.
Rotate bss prio list, so the bss next to the one served, will come first
in the list of bss' with equal priority. This way we pick bss nodes in a
round robin fashion. Using list rotation instead of a cur ptr simplifies
iteration to calling list_for_each_entry. List rotation is done via
list_move, where the head itself is temporarily removed and then
re-inserted after the bss just served.
Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Andreas Fenkart [Thu, 18 Apr 2013 23:33:45 +0000 (16:33 -0700)]
mwifiex: replace ra_list_curr by list rotation.
After a packet is successfully transmitted, ra list is rotated, so the ra
next to the one transmitted, will be the first in the list. This way we
pick the ra' in a round robin fashion. This significantly simplifies
iteration in mwifiex_wmm_get_highest_priolist_ptr to a call to
list_for_each_entry.
List rotation is done via list_move, where the head itself is temporarily
removed and then re-inserted after the item just transferred.
Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
The firmware provides credits to the driver per WMM-AC. When
only AC_BE are to be transmitted to the firmware the driver
may use credits from other priorities to send AC_BE packets
towards the firmware.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
brcmfmac: correct error handling in brcmf_fws_init()
In brcmf_fws_init() the error flows were not properly handled
and the caller ignored the return value. The only action that
is allowed to fail in brcmf_fws_init() is setting the tlv in
firmware as the feature is not supported on all devices.
Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Piotr Haber [Tue, 23 Apr 2013 10:53:12 +0000 (12:53 +0200)]
brcmfmac: support critical protocol API for DHCP
Adds support for the critical protocol API provided by nl80211
which gives Wifi traffic priority over a Bluetooth (e)SCO connection
and disables scanning during DCHP negotiation.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
After the commit "ath9k: improve dma map failure handling", the
wrong buffer was DMA-unmapped, introducing warnings like the one below.
This patch fixes the issue.
Cc: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
ath9k: Use lockless variants for the RX fifo queue
The RX fifo can be accessed from the common tasklet or it can
be reaped/cleaned when RX is stopped, which is done when doing
a reset or channel change - this happens in process context.
Since it is ensured that there are no pending tasklets when
stopping RX and cleaning the FIFO, there is no need to use
SKB queue functions which take internal locks.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
The EDMA case is handled first, so the else condition
can be removed.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Han Shen [Mon, 22 Apr 2013 20:35:07 +0000 (13:35 -0700)]
rtl8192c:dm: Properly initialize local array and set value.
GCC 4.8 is spitting out uninitialized-variable warnings against
"drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c". This patch adds
initialization to the variable and properly sets its value.
Signed-off-by: Han Shen (shenhan@google.com) Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
According to 802.11-2007 17.3.8.6 (slot time), the slot time should
be increased by 3 us * coverage class. The code only increased the
ack timeout, which is fixed by this patch.
We have noticed in our long shot scenario that we see less collisions
with this patch.
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
[add standard reference and commit message] Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
caif: Remove bouncing address for Daniel Martensson
cc: Daniel Martensson <Daniel.Martensson@stericsson.com> Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Remove my soon bouncing email address.
Also remove the "Contact:" line in file header.
The MAINTAINERS file is a better place to find the
contact person anyway.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Rafał Miłecki [Sun, 17 Mar 2013 18:08:15 +0000 (19:08 +0100)]
b43: HT-PHY: define regs for power estimation
In MMIO dumps of ndiswrapper there are following PHY ops:
phy_read(0x0118) -> 0x013d
phy_read(0x01ed) -> 0x993d
phy_read(0x0119) -> 0x012f
phy_read(0x01ee) -> 0x992f
phy_read(0x011a) -> 0x0139
phy_read(0x0969) -> 0x9939
It matches the code of wlc_phy_txpower_est_power_nphy (from brcm80211),
so we know the registers meaning.
Rafał Miłecki [Sat, 16 Mar 2013 22:57:10 +0000 (23:57 +0100)]
b43: HT-PHY: do some extra TSSI setup after configuring TX
After b43_phy_ht_tx_power_ctl_setup there are some extra radio ops:
radio_read(0x08bf) -> 0x0001
radio_write(0x08bf) <- 0x0001
radio_write(0x0159) <- 0x0011
On N-PHY we write 0x11 to TSSI regs, so it's probably sth similar.
Rafał Miłecki [Sat, 16 Mar 2013 22:24:21 +0000 (23:24 +0100)]
b43: HT-PHY: rename defines addressing cores on the 2059 radio
After comparing writes to registers at 0x000, 0x400 and 0x800 it seems
there are many very similar writes. So 0x000 offset is not for accessing
something totally different, but probably just the first out of three
cores.
batman-adv: fix global protection fault during soft_iface destruction
batadv_mesh_free() schedules some RCU callbacks which need the bat_priv struct
to do their jobs, while free_netdev(), which is called immediately after, is
destroying the private data.
Put an rcu_barrier() in the middle so that free_netdev() is invoked only after
all the callbacks returned.
Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 22 Apr 2013 23:34:34 +0000 (19:34 -0400)]
net: Fix vlan bitmask changes in EHEA driver.
This driver uses the crummy "| foo" style, putting the
logical operation at the beginning of lines. Then
when the VLAN tag flag bits got changed the operator
ended up at both the end and the beginning of some lines.
Fix the build error by having it uniformly use the operator
at the end of the line.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 22 Apr 2013 23:24:19 +0000 (19:24 -0400)]
net: Fix some __vlan_hwaccel_put_tag() callers.
Several call sites were missed when the protocol argument was added to
__vlan_hwaccel_put_tag() in commit 86a9bad3ab6b6f858fd4443b48738cabbb6d094c ("net: vlan: add protocol
argument to packet tagging functions").
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann [Thu, 18 Apr 2013 21:59:37 +0000 (21:59 +0000)]
net: sctp: minor: remove dead code from sctp_packet
struct sctp_packet is currently embedded into sctp_transport or
sits on the stack as 'singleton' in sctp_outq_flush(). Therefore,
its member 'malloced' is always 0, thus a kfree() is never called.
Because of that, we can just remove this code.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David Stevens [Fri, 19 Apr 2013 00:36:26 +0000 (00:36 +0000)]
VXLAN: Allow L2 redirection with L3 switching
Allow L2 redirection when VXLAN L3 switching is enabled
This patch restricts L3 switching to destination MAC addresses that are
marked as routers in order to allow virtual IP appliances that do L2
redirection to function with VXLAN L3 switching enabled.
We use L3 switching on VXLAN networks to avoid extra hops when the nominal
router for cross-subnet traffic for a VM is remote and the ultimate
destination may be local, or closer to the local node. Currently, the
destination IP address takes precedence over the MAC address in all cases.
Some network appliances receive packets for a virtualized IP address and
redirect by changing the destination MAC address (only) to be the final
destination for packet processing. VXLAN tunnel endpoints with L3 switching
enabled may then overwrite this destination MAC address based on the packet IP
address, resulting in potential loops and, at least, breaking L2 redirections
that travel through tunnel endpoints.
This patch limits L3 switching to the intended case where the original
destination MAC address is a next-hop router and relies on the destination
MAC address for all other cases, thus allowing L2 redirection and L3 switching
to coexist peacefully.
Signed-Off-By: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Stefan Raspl [Mon, 22 Apr 2013 01:12:29 +0000 (01:12 +0000)]
qeth: Fix missing pointer update
qeth_hdr_chk_and_bounce() can possibly shift the skb->data
pointer. However, the existing code didn't update the hdr pointer,
which should point to skb->data, accordingly.
Symptoms of this issue are sporadic recoveries.
Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com> Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Stefan Raspl [Mon, 22 Apr 2013 01:12:28 +0000 (01:12 +0000)]
qeth: remove unused variable
remove unused variable
Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com> Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
mwifiex: remove redundant initialization for bss_descriptor
Initialization of bss_descriptor is unnecessary as the entire
structure will be overwritten by a memcpy followed by.
Initialize disable_11ac flag properly by setting it to true in
mwifiex_fill_new_bss_desc().
Reported-by: Doug Anderson <dianders@chromium.org> Reviewed-by: Doug Anderson <dianders@chromium.org> Reviewed-by: Paul Stewart <pstew@chromium.org> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
mwifiex: fix use-after-free in beacon_ie processing
beacon_ie buffer is allocated in mwifiex_fill_new_bss_desc()
and the buffer pointer is saved in bss_desc->beacon_buf.
beacon_ie is freed before the function returns. However,
bss_desc->beacon_buf is still being accessed afterwards.
Fix it by freeing beacon_ie (bss_desc->beacon_buf) in
caller's scope.
Reviewed-by: Doug Anderson <dianders@chromium.org> Reviewed-by: Paul Stewart <pstew@chromium.org> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Wei Liu [Mon, 22 Apr 2013 02:20:43 +0000 (02:20 +0000)]
xen-netback: don't disconnect frontend when seeing oversize packet
Some frontend drivers are sending packets > 64 KiB in length. This length
overflows the length field in the first slot making the following slots have
an invalid length.
Turn this error back into a non-fatal error by dropping the packet. To avoid
having the following slots having fatal errors, consume all slots in the
packet.
This does not reopen the security hole in XSA-39 as if the packet as an
invalid number of slots it will still hit fatal error case.
Signed-off-by: David Vrabel <david.vrabel@citrix.com> Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Wei Liu [Mon, 22 Apr 2013 02:20:42 +0000 (02:20 +0000)]
xen-netback: coalesce slots in TX path and fix regressions
This patch tries to coalesce tx requests when constructing grant copy
structures. It enables netback to deal with situation when frontend's
MAX_SKB_FRAGS is larger than backend's MAX_SKB_FRAGS.
With the help of coalescing, this patch tries to address two regressions
avoid reopening the security hole in XSA-39.
Regression 1. The reduction of the number of supported ring entries (slots)
per packet (from 18 to 17). This regression has been around for some time but
remains unnoticed until XSA-39 security fix. This is fixed by coalescing
slots.
Regression 2. The XSA-39 security fix turning "too many frags" errors from
just dropping the packet to a fatal error and disabling the VIF. This is fixed
by coalescing slots (handling 18 slots when backend's MAX_SKB_FRAGS is 17)
which rules out false positive (using 18 slots is legit) and dropping packets
using 19 to `max_skb_slots` slots.
To avoid reopening security hole in XSA-39, frontend sending packet using more
than max_skb_slots is considered malicious.
The behavior of netback for packet is thus:
1-18 slots: valid
19-max_skb_slots slots: drop and respond with an error
max_skb_slots+ slots: fatal error
max_skb_slots is configurable by admin, default value is 20.
Also change variable name from "frags" to "slots" in netbk_count_requests.
Please note that RX path still has dependency on MAX_SKB_FRAGS. This will be
fixed with separate patch.
Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Wei Liu [Mon, 22 Apr 2013 02:20:41 +0000 (02:20 +0000)]
xen-netfront: reduce gso_max_size to account for max TCP header
The maximum packet including header that can be handled by netfront / netback
wire format is 65535. Reduce gso_max_size accordingly.
Drop skb and print warning when skb->len > 65535. This can 1) save the effort
to send malformed packet to netback, 2) help spotting misconfiguration of
netfront in the future.
Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This patch sets the coherent DMA mask to 64-bit after the be2net driver has
been acknowledged that the system is 64-bit DMA capable. The coherent DMA
mask is examined by the Intel IOMMU driver to determine whether to allow
pass through context mapping for all devices. With this patch, the be2net
driver combined with be2net compatible hardware provides comparable
performance to the case where vt-d is disabled. The main use-case for this
change is to decrease the time necessary to copy virtual machine memory
during KVM live migration instantiations.
Signed-off-by: Craig Hada <craig.hada@hp.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Use GET_PROFILE_CONFIG_V1 cmd for BE3-R, to query the maximum number of
TX rings available per function. On SH-R the same is queried via the
GET_FUNCTION_CONFIG cmd.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Avoid flashing BE3 UFI on BE3-R chip by verifying asic_revision
number of the chip.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Don't log "Out of MCCQ wrbs" msg. When the driver doesn't receive any
response from the FW it already logs a "FW not responding" message.
The driver runs out of MCCQ wrbs much later. Also, this message can
swamp the kernel log in HW/FW error scenarios.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Skyhawk-R and BE3-R (SuperNIC profile) require V2 version
of TXQ_CREATE cmd to be used.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
bnx2x: allow nvram test to run when device is down
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
mwifiex: configure p2p interface during initialization
Send P2P_MODE_CFG cmd to firmware when p2p interface is created.
Without proper p2p configuration firmware may behave incorrectly
while handling commands sent through this interface.
Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Stone Piao <piaoyun@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Paul Stewart [Fri, 19 Apr 2013 15:37:46 +0000 (08:37 -0700)]
mwifiex: Start P2P devices in P2P mode
p2p devices should identify themselves as such to userspace at
startup, so the connection manager can decide which interface
to start wpa_supplicant instances on.
Signed-off-by: Paul Stewart <pstew@chromium.org> Reviewed-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Joe Perches [Fri, 19 Apr 2013 15:33:40 +0000 (08:33 -0700)]
rt2x00: Use more current logging styles, shrink object size
Reduce object space ~2% using more current logging styles.
Neaten and simplify logging macros.
Use wiphy_<level> where appropriate.
Coalesce formats.
Convert ERROR/WARNING/INFO macros to rt2x00_<level>
Convert EEPROM to rt2x00_eeprom_dbg
Convert PROBE_ERROR to rt2x00_probe_err
Convert DEBUG to rt2x00_dbg
Convert EEPROM to rt2x00_eeprom_dbg
Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
projects / karo-tx-linux.git / log