- 17 Feb, 2014 23 commits
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Phoebe Buckheister authored
The standard describes four modes of clear channel assesment: "energy above threshold", "carrier found", and the logical and/or of these two. Support for CCA mode setting is included in the at86rf230 driver, predicated for RF212 chips. Signed-off-by:
Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Phoebe Buckheister authored
Listen-before-talk is an alternative to CSMA in uncoordinated networks and prescribed by european regulations if one wants to have a device with radio duty cycles above 10% (or less in some bands). Add a phy property to enable/disable LBT in the phy, including support in the at86rf230 driver for RF212 chips. Signed-off-by:
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Phoebe Buckheister authored
The standard assigns channel 0 on page 2 to be 100kbps QPSK in the 868.3MHz band. Add support to the at86rf230 driver for this channel and page, at the moment predicated only for the RF212 chip. Per the datasheet, configurations for page 0, channels 0 to 10 and page 2, channels 0 to 10 differ only in the BPSK_QPSK bit. Support for channels 1 to 10 is untested. Signed-off-by:
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Phoebe Buckheister authored
Replace the current u8 transmit_power in wpan_phy with s8 transmit_power. The u8 field contained the actual tx power and a tolerance field, which no physical radio every used. Adjust sysfs entries to keep compatibility with userspace, give tolerances of +-1dB statically there. This patch only adds support for this in the at86rf230 driver and the RF212 chip. Configuration calculation for RF212 is also somewhat basic, but does the job - the RF212 datasheet gives a large table with suggested values for combinations of TX power and page/channel, if this does not work well, we might have to copy the whole table. Signed-off-by:
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Phoebe Buckheister authored
The current IEEE802.15.4 stack assumes that a radio will never deliver packets with a bad CRC into the stack, as required by the standard. at86rf230 driven radios violates this assumption because of another incompatibility: devices are required to send ACKs if requested by a sender, but RF2xx will only send ACKs from a special receive mode that is currently not used by the driver. Enable this receive mode to fix both bugs. Frames with bad CRCs will not be received at all, and ACKs will be sent if so requested. Signed-off-by:
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Phoebe Buckheister authored
Since the AT86RF2xy chips are mostly compatible, this is only a small change to the actual driver code. The at86rf230 driver already supports the RF212 in most places, only three small adjustments are required: * force the initial state after P_ON to FORCE_TRX_OFF to work around a documented erratum * channels_supported depends on the frequency of the transceiver, and thus is_rf212 * do early detection of chip version select an appropriate _ops struct based on the chip version. Signed-off-by:
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David S. Miller authored
Florian Fainelli says: ==================== net: phy: soft reset rework for 10G PHYs As reported by Shaohui, 10G PHYs may have a slightly more complex reset sequence for which a BMCR_RESET software reset might not suffice. This patchset offers a solution for those by allowing them to implement their own soft_reset() callback. Finally there is an update to the PHY library Documentation to cover for the newly added callbacks of the PHY driver structure. Changes in v2: - fixed callback testing - fixed typo in Documentation ==================== Signed-off-by: -
Florian Fainelli authored
The PHY library was missing a bunch of newly added PHY driver callbacks along with a smallish description of what they do, fix that. Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Florian Fainelli authored
As pointed out by Shaohui, most 10G PHYs out there have a non-standard compliant software reset sequence, eventually something much more complex than just toggling the BMCR_RESET bit. Allow PHY driver to implement their own soft_reset() callback to deal with that. If no callback is provided, call into genphy_soft_reset() which makes sure the existing behavior is kept intact. Reported-by:
Shaohui Xie <Shaohui.Xie@freescale.com> Signed-off-by:
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Florian Fainelli authored
As pointed out by Shaohui, this function is generic for 10/100/1000 PHYs, but 10G PHYs might have a slightly different reset sequence which prevents most of them from using this function. Move the BMCR_RESET based software resent sequence to genphy_soft_reset() in preparation for allowing PHY drivers to implement a soft_reset() callback. Reported-by:
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KY Srinivasan authored
Get rid of the buffer allocation in the receive path for normal packets. Signed-off-by:
K. Y. Srinivasan <kys@microsoft.com> Signed-off-by:
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KY Srinivasan authored
Make the receive path a little more efficient by parameterizing the required state rather than re-establishing that state. Signed-off-by:
Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by:
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KY Srinivasan authored
This structure is redundant; get rid of it make the code little more efficient - get rid of the unnecessary indirection. Signed-off-by:
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Stefan Sørensen authored
This patch allows the use of a generic timestamping phy connected to the cpsw if CPTS support is not enabled. This also adds support of the SIOCGMIIREG and SIOCSMIIREG, and moves handling of SIOCGMIIPHY to the generic driver. Signed-off-by:
Stefan Sørensen <stefan.sorensen@spectralink.com> Reviewed-by:
Ben Hutchings <ben@decadent.org.uk> Signed-off-by:
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Joe Perches authored
ether_addr_copy is smaller and faster for some architectures. This relies on a stack frame being at least __aligned(2) for one use of an Ethernet address on the stack. Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Joe Perches authored
Neatening only. Signed-off-by:
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Joe Perches authored
Add missing terminating newlines. Convert uses of pr_info to pr_cont in bond_check_params. Standardize upper/lower case styles. Typo fixes, remove unnecessary parentheses and periods. Alignment neatening. Signed-off-by:
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Joe Perches authored
Use more current logging style. Coalesce formats, realign arguments, drop unnecessary periods. Signed-off-by:
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Julia Lawall authored
On success, the function netdev_alloc_skb initializes the dev field of its result to its first argument, so this doesn't have to be done in the calling context. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression skb,privn,e; @@ skb = netdev_alloc_skb(privn,...); ... when strict ( -skb->dev = privn; | ?skb = e ) // </smpl> Signed-off-by:
Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by:
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Florian Fainelli authored
Document the required "clocks" phandles and their corresponding "clock-names" properties for the two clocks used by the GENET hardware block ("enet" and "enet-wol"). CC: Mark Rutland <mark.rutland@arm.com> Signed-off-by: -
Jon Paul Maloy authored
I commit e099e86c ("tipc: add node_lock protection to link lookup function") we are calling spin_lock(&node->lock) directly instead of indirectly via the tipc_node_lock(node) function. However, tipc_node_lock() is using spin_lock_bh(), not spin_lock(), something leading to unbalanced usage in one place, and a smatch warning. We fix this by consistently using tipc_node_lock()/unlock() in in the places touched by the mentioned commit. Signed-off-by:
Jon Maloy <jon.maloy@ericsson.com> Signed-off-by:
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Jon Paul Maloy authored
In commit 7d33939f ("tipc: delay delete of link when failover is needed") we introduced a loop for finding and removing a link pointer in an array. The removal is done after we have left the loop, giving the impression that one may remove the wrong pointer if no matching element is found. This is not really a bug, since we know that there will always be a matching element, but it looks wrong, and causes a smatch warning. We fix this loop with this commit. Signed-off-by:
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Florian Westphal authored
Currently this always returns ENOBUFS, because the return value of __ip_tunnel_create is discarded. A more common failure is a duplicate name (EEXIST). Propagate the real error code so userspace can display a more meaningful error message. Signed-off-by:
Florian Westphal <fw@strlen.de> Signed-off-by:
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- 15 Feb, 2014 1 commit
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WANG Cong authored
Openvswitch defines u64_stats_sync as ->sync rather than ->syncp, so fails to compile with netdev_alloc_pcpu_stats(). So just rename it to ->syncp. Reported-by:
kbuild test robot <fengguang.wu@intel.com> Fixes: 1c213bd2 (net: introduce netdev_alloc_pcpu_stats() for drivers) Cc: David S. Miller <davem@davemloft.net> Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Reviewed-by:
Flavio Leitner <fbl@redhat.com> Signed-off-by:
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- 14 Feb, 2014 16 commits
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Wang Yufen authored
Signed-off-by:
Wang Yufen <wangyufen@huawei.com> Signed-off-by:
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Wang Yufen authored
Signed-off-by:
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Wang Yufen authored
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Wang Yufen authored
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Wang Yufen authored
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Wang Yufen authored
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wangweidong authored
checkpatch error: switch and case should be at the same indent. Signed-off-by:
Wang Weidong <wangweidong1@huawei.com> Signed-off-by:
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wangweidong authored
fix checkpatch errors below: ERROR: "foo* bar" should be "foo *bar" ERROR: "foo * bar" should be "foo *bar" Signed-off-by:
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wangweidong authored
fix checkpatch errors while the space is required or prohibited Signed-off-by:
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Eric Dumazet authored
Add two new fields to struct tcp_info, to report sk_pacing_rate and sk_max_pacing_rate to monitoring applications, as ss from iproute2. User exported fields are 64bit, even if kernel is currently using 32bit fields. lpaa5:~# ss -i .. skmem:(r0,rb357120,t0,tb2097152,f1584,w1980880,o0,bl0) ts sack cubic wscale:6,6 rto:400 rtt:0.875/0.75 mss:1448 cwnd:1 ssthresh:12 send 13.2Mbps pacing_rate 3336.2Mbps unacked:15 retrans:1/5448 lost:15 rcv_space:29200 Signed-off-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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WANG Cong authored
There are many drivers calling alloc_percpu() to allocate pcpu stats and then initializing ->syncp. So just introduce a helper function for them. Cc: David S. Miller <davem@davemloft.net> Signed-off-by:
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Eric Dumazet authored
Remove one inline keyword, and no need for a loop to find an index into a table. Signed-off-by:
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David S. Miller authored
Florian Fainelli says: ==================== Support for the Broadcom GENET driver This patchset adds support for the Broadcom GENET Gigabit Ethernet MAC controller. This controller is found on the Broadcom BCM7xxx Set Top Box System-on-a-chips. Changes since v4: - add dependency on CONFIG_OF Changes since v3: - fixed Kconfig dependency on FIXED_PHY Changes since v2: - dropped the patch that adds an "internal" phy-mode ==================== Signed-off-by: -
Florian Fainelli authored
Add myself as a maintainer of the Broadcom GENET driver. Signed-off-by:
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Florian Fainelli authored
This patch adds the Device Tree bindings for the Broadcom GENET Gigabit Ethernet controller. A bunch of examples are provided to illustrate the versatile aspect of the hardare. Signed-off-by:
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Florian Fainelli authored
This patch adds a new configuration symbol: CONFIG_BCMGENET which allows us to build the Broadcom GENET driver and hook the driver files into the build system. Signed-off-by:
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