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124 commits

Author SHA1 Message Date
Felix Fietkau
2806c75c07 ag71xx: keep the rx engine stopped while the link is not up, should hopefully fix stability issues from #9405 
SVN-Revision: 27567
 2011-07-09 06:29:46 +00:00
Felix Fietkau
31dd60689e Revert "ar71xx: only enable the rx engine after the link is up..." 
It messes up the DMA state when the link goes down

SVN-Revision: 27088
 2011-06-01 18:15:43 +00:00
Gabor Juhos
60d5abbc27 ar71xx: ag71xx: make ring sizes configurable via ethtool 
SVN-Revision: 27041
 2011-05-31 22:53:10 +00:00
Gabor Juhos
7a2651f633 ar71xx: ag71xx: prepare to make ring sizes configurable 
SVN-Revision: 27040
 2011-05-31 22:53:09 +00:00
Gabor Juhos
669aba3871 ar71xx: ag71xx: nuke unused AG71XX_TX_FIFO_LEN define 
Reported-by: Dave Täht <dave.taht@gmail.com>

SVN-Revision: 27039
 2011-05-31 22:53:07 +00:00
Felix Fietkau
2b5402d128 ar71xx: only enable the rx engine after the link is up, fixes a race condition that got rx stuck when the interface is brought up during lots of inbound traffic (thx, matteo) 
SVN-Revision: 27035
 2011-05-30 23:08:01 +00:00
Felix Fietkau
0ebc93831f ar71xx: disable flow control for ar724x, it can get stuck in a loop of continously sending MAC pause frames 
SVN-Revision: 27034
 2011-05-30 23:07:57 +00:00
Matteo Croce
4deecea26b ar71xx: detect link on LAN ports 
SVN-Revision: 26922
 2011-05-17 11:12:56 +00:00
Matteo Croce
c0c2e18452 use correct macros and frame size in ag71xx 
SVN-Revision: 26890
 2011-05-14 23:10:06 +00:00
Gabor Juhos
5d77f370d6 ar71xx: ag71xx: make switch register access atomic 
Reading of the PHY registers occasionally returns with bogus values
under heavy load. This misleads the PHY driver and thus causes false
link/speed change notifications which leads to performance loss.

This is easily noticable during an iperf session:

...
[  3] 52.0-53.0 sec  11.3 MBytes  94.4 Mbits/sec
[  3] 53.0-54.0 sec  11.4 MBytes  95.4 Mbits/sec
eth1: link down
br-lan: port 2(eth1) entering forwarding state
eth1: link up (100Mbps/Full duplex)
br-lan: port 2(eth1) entering forwarding state
br-lan: port 2(eth1) entering forwarding state
[  3] 54.0-55.0 sec  6.75 MBytes  56.6 Mbits/sec
[  3] 55.0-56.0 sec  0.00 Bytes  0.00 bits/sec
[  3] 56.0-57.0 sec  10.5 MBytes  88.1 Mbits/sec
...
[  3] 169.0-170.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 170.0-171.0 sec  11.4 MBytes  95.4 Mbits/sec
eth1: link up (10Mbps/Half duplex)
[  3] 171.0-172.0 sec  7.63 MBytes  64.0 Mbits/sec
[  3] 172.0-173.0 sec  9.38 MBytes  78.6 Mbits/sec
eth1: link up (100Mbps/Full duplex)
[  3] 173.0-174.0 sec  11.3 MBytes  94.4 Mbits/sec
[  3] 174.0-175.0 sec  11.4 MBytes  95.4 Mbits/sec

SVN-Revision: 26856
 2011-05-08 16:32:53 +00:00
Gabor Juhos
3711658281 ar71xx: ag71xx: fix section mismatch warnings 
The function __devinit ag71xx_probe() references
a function __devexit ag71xx_phy_disconnect().
This is often seen when error handling in the init function
uses functionality in the exit path.
The fix is often to remove the __devexit annotation of
ag71xx_phy_disconnect() so it may be used outside an exit section.

The function ag71xx_phy_disconnect() references a function in an exit
section.
Often the function ag71xx_ar7240_cleanup() has valid usage outside the
exit section
and the fix is to remove the __devexit annotation of
ag71xx_ar7240_cleanup.

SVN-Revision: 26855
 2011-05-08 13:30:36 +00:00
Gabor Juhos
ef53029870 ar71xx: ag71xx: fix build error if debugfs is enabled 
SVN-Revision: 26854
 2011-05-08 13:30:26 +00:00
Gabor Juhos
8b67d748cb ar71xx: ag71xx: add debugfs entry for [rt]x_ring 
SVN-Revision: 26845
 2011-05-07 12:40:34 +00:00
Gabor Juhos
2166432ba0 ar71xx: ag71xx: add timestamps to ag71xx_buf 
SVN-Revision: 26844
 2011-05-07 12:40:28 +00:00
Gabor Juhos
896e1d1ab4 ar71xx: ag71xx: use dynamically allocated buffer for napi_stats 
SVN-Revision: 26843
 2011-05-07 12:40:26 +00:00
Gabor Juhos
a6708d20d1 ar71xx: ag71xx: use debugfs_remove_recursive 
SVN-Revision: 26842
 2011-05-07 12:40:25 +00:00
Felix Fietkau
41ee4a283c ar71xx: only allow internal access to the ar7240 switch, export the MDIO bus behind the switch instead 
SVN-Revision: 26393
 2011-04-02 00:47:29 +00:00
Felix Fietkau
acbb3e50e7 ar71xx: frequent ethernet mac resets upset the MDIO bus on ar7240, so do not run them on every device open, only on tx timeouts 
SVN-Revision: 26392
 2011-04-02 00:47:25 +00:00
Gabor Juhos
3106aea40b ar71xx: drivers/ag71xx: remove deprecated usage of IRQF_SAMPLE_RANDOM 
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>

SVN-Revision: 23982
 2010-11-12 18:52:28 +00:00
Gabor Juhos
30ef7d55fc ar71xx: use pr_* functions in drivers 
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>

SVN-Revision: 23981
 2010-11-12 18:52:12 +00:00
Gabor Juhos
f4d5c885e4 ar71xx: return statements does not need parenthesis 
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>

SVN-Revision: 23979
 2010-11-12 18:51:38 +00:00
Gabor Juhos
e244e1c7cd ar71xx: fix inline attribute location 
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>

SVN-Revision: 23978
 2010-11-12 18:51:21 +00:00
Gabor Juhos
acd8ad4de5 ar71xx: wrap long lines 
(build errors has been fixed - juhosg)

Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>

SVN-Revision: 23977
 2010-11-12 18:51:04 +00:00
Gabor Juhos
500fac1735 ar71xx: fix whitespaces nits 
(build error has been fixed - juhosg)

Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>

SVN-Revision: 23975
 2010-11-12 18:50:29 +00:00
Felix Fietkau
6656450c6d ar71xx: fix more section mismatches 
SVN-Revision: 23575
 2010-10-21 18:42:16 +00:00
Felix Fietkau
8858d90afe ar71xx: improve 2.6.36 compatibility. also, instead of adding a forward port patch to the 2.6.36 patches, add a backport patch to 2.6.32 
SVN-Revision: 23574
 2010-10-21 18:42:11 +00:00
Felix Fietkau
523fcf0497 ar71xx: add a new driver for the ar7240 switch using swconfig. hooks directly into the ethernet driver, as MAC resets also require switch reinitializations and the switch is part of the cpu core anyway switch only tl-wr741nd (and other devices using this board file, such as tl-wr841nd) over to using this by default, as other devices are still untested fixes #7563 
SVN-Revision: 22675
 2010-08-16 19:21:57 +00:00
Felix Fietkau
a27ea45e76 ar71xx: only reinit the ethernet MAC at .open() on ar724x for now, until we've figured out what part of it causes the issue described in #7563 
SVN-Revision: 22075
 2010-07-06 12:40:07 +00:00
Felix Fietkau
15b209d09f ag71xx: reset the hardware during open(), this improves recovery from tx timeouts on ar724x considerably 
SVN-Revision: 22055
 2010-07-04 02:15:08 +00:00
Felix Fietkau
89da22d1ea ag71xx: fix a memory corruption bug that happens if you flood the interface with packets while it's being brought down fixes boot time crashes under load reported by matteo 
SVN-Revision: 22054
 2010-07-04 01:31:33 +00:00
Felix Fietkau
7966004d99 ag71xx: remove rx alignment code for small packets, it seems to break ipv6 for some reason (fixes #7236) 
SVN-Revision: 21166
 2010-04-26 16:39:13 +00:00
Felix Fietkau
1c0e751391 ar71xx: fix up alignment handling 
- on ar724x, rx buffers can be aligned with an offset of 2, which keeps the ip header aligned
- alignment offset is only added if the ar8216 workaround is not active and the phy driver does not advertise its own packet alignment
- ar71xx and ar91xx can not handle rx alignment offsets, however taking a hit on unaligned exceptions seems to have less overhead than re-aligning the data for large packets
- use memmove to re-align small packets, if necessary

tested on ar9132, ar7240 and ar7242 based devices without ar8216 headers

SVN-Revision: 20892
 2010-04-15 23:31:17 +00:00
Gabor Juhos
4c29a2c263 ar71xx: ag71xx: avoid unalinged accesses when using the phy specific receive functions 
Cc: backfire@openwrt.org

SVN-Revision: 20751
 2010-04-09 08:40:06 +00:00
Gabor Juhos
4a28844d80 ar71xx: ag71xx: call the phy driver's netif_receive_skb() 
Ag71xx needs to call the phy's netif_receive_skb() to allow phy drivers
to mangle rx packets. This patch fixes it.

This fixes the header mangling of the AR8216 driver.

Signed-off-by: Jonas Gorski <jonas.gorski+openwrt@gmail.com>
Cc:backfire@openwrt.org

SVN-Revision: 20750
 2010-04-09 08:38:46 +00:00
Gabor Juhos
c874513cfa ar71xx: fix broken LAN ports on the boards with AR8216 switch (closes #7024) 
* cc: backfire@openwrt.org

SVN-Revision: 20673
 2010-04-03 13:59:08 +00:00
Gabor Juhos
b7ca043240 ar71xx: ag71xx: copy received packet to avoid unaligned access in the IP stack 
SVN-Revision: 20506
 2010-03-27 13:05:27 +00:00
Gabor Juhos
f9acf8ada1 ar71xx: ag71xx: introduce ag71xx_has_ar8216() helper 
SVN-Revision: 20505
 2010-03-27 13:05:24 +00:00
Gabor Juhos
200db5ebb5 ar71xx: ag71xx: reorganize ag71xx_rx_packet function 
SVN-Revision: 20504
 2010-03-27 13:05:20 +00:00
Gabor Juhos
245775a49f ar71xx: ag71xx: Add netpoll support 
This patch adds support for polling interrupts, used by
netconsole and the likes.

Tested on d-link dir-615 C1 using netconsole.

Signed-off-by: Pat Erley <pat-lkml@erley.org>

SVN-Revision: 20503
 2010-03-27 13:05:17 +00:00
Andy Boyett
681054333e wrt400n: lan ports don't need the ar8216 workaround 
SVN-Revision: 20491
 2010-03-26 19:09:11 +00:00
Gabor Juhos
9a1031ce6d ar71xx: change PHY select logic, and update phy_masks 
SVN-Revision: 20358
 2010-03-21 18:16:07 +00:00
Gabor Juhos
2a818f388a ar71xx: ag71xx: fix MAC address setup 
SVN-Revision: 20092
 2010-03-09 18:05:36 +00:00
Gabor Juhos
2702ae4e8f ar71xx: ag71xx: move calling ag71xx_phy_stop out from spinlock 
SVN-Revision: 20004
 2010-03-05 20:29:22 +00:00
Gabor Juhos
a4bccded57 ar71xx: ag71xx: move link update function 
SVN-Revision: 20003
 2010-03-05 20:29:18 +00:00
Gabor Juhos
eacf9a7614 ar71xx: ag71xx: don't use dev->trans_start 
SVN-Revision: 20002
 2010-03-05 20:29:14 +00:00
Gabor Juhos
ba288eeb84 ar71xx: ag71xx: use dma_unmap_single to unmap frames 
SVN-Revision: 20001
 2010-03-05 20:29:10 +00:00
Gabor Juhos
0e4eaea770 ar71xx: ag71xx: use correct device pointer for dma_map_single 
SVN-Revision: 19951
 2010-03-02 13:36:18 +00:00
Gabor Juhos
84823e1477 ar71xx: ag71xx: don't use virt_to_phys 
SVN-Revision: 19950
 2010-03-02 13:36:15 +00:00
Gabor Juhos
4a987d6008 ar71xx: ag71xx: simplify register access functions 
SVN-Revision: 19949
 2010-03-02 13:36:12 +00:00
Gabor Juhos
e157281c5d ar71xx: ag71xx: use NETDEV_TX_OK 
SVN-Revision: 19948
 2010-03-02 13:36:09 +00:00