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  1. 24 5月, 2006 1 次提交
  3. 03 5月, 2006 5 次提交
    • A
      [PATCH] s2io: init/shutdown fixes · 5d3213cc
      由 Ananda Raju 提交于 
      Hi,
	The following patch contains fix related to init and shutdown of adapter
	as per user guide.  The list of changes include

	1. shutdown gracefully.
	2. Need to mask/unmask interrupts in ISR required fro Xframe-E
	3. Tx FIFO should be enabled after WRR calender programming
Signed-off-by: NAnanda Raju <ananda.raju@neterion.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>
      5d3213cc
    • A
      [PATCH] s2io: additional stats · bd1034f0
      由 Ananda Raju 提交于 
      Hi,
	This patch contains additional statistics counters added to s2io driver
	these statistics are very much usefull in debugging the driver.
Signed-off-by: NAnanda Raju <ananda.raju@neterion.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>
      bd1034f0
    • A
      [PATCH] s2io: fixes · c92ca04b
      由 Ananda Raju 提交于 
      Hi,
	This patch contains some of the bug fixes done for S2io driver.
	Following are the brief description of changes

	1. Continuing with initialization if we get minimum required MSI-X vectors
	2. fix for ethtool online link test fails
	3. make wait_for_cmd_complete generic for all command status registers
	4. Print "Device is on PCI-E bus" for Xframe-E card
	5. CX4 requires additional delay after sw_reset, and requires higher value for igp
	6. Fixed panic due to non-TCP and/or LLC/SNAP traffic in case of lro
	7. remove legacy code for old transponder
	8. SPECIAL_REG_WRITE made to use 32-bit writes irrespective of system type
	9. handle link interrupt as per user guide for Xframe II
	10. Wait till all interrupts hndled
Signed-off-by: NAnanda Raju <ananda.raju@neterion.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>
      c92ca04b
    • A
      [PATCH] s2io: input parms, output messages update · 9dc737a7
      由 Ananda Raju 提交于 
      hi,
	This patch contains the modification and bug fixes with respect to
	input parameters and outupt dmesages. following is brief description
	of the changes.

	1. Set default values for rx_ring_sz[0..7] and tx_fifo_len[0..7]
	2. verify few basic load parameters
	3. read product description from VPD
	4. clean up of dmesg  when driver is loaded
Signed-off-by: NAnanda Raju <ananda.raju@neterion.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>
      9dc737a7
    • A
      [PATCH] s2io: performance improvements · 863c11a9
      由 Ananda Raju 提交于 
      hi,
	This patch contains all the changes that were done to improve
	performance of s2io driver. one line  description of the changes
	are

	1. For Non NAPI case the rx interrupt handler is being called
	   unconditionally
	2. code optimization and adding prefetch skb->data
	3. Remove modulo operations in fast path
	4. Enable Group Reads and set backoff interval to 0x1000
	5. correct PIC_CNTL_SHARED_SPLITS  macro definition, and reduce
	   pause parameter
	6. Corrected logic of identifying rx buffer level in rx_buffer_level()
	7. fix DMA map and unmap done with different sizes in 1-buf mode
	8. Removed forcible disabling of ERO
	9. Send up the packets with transfer code = 0x5
Signed-off-by: NAnanda Raju <ananda.raju@neterion.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>
      863c11a9
  5. 05 3月, 2006 1 次提交
  7. 04 3月, 2006 1 次提交
  9. 07 2月, 2006 2 次提交
  11. 27 1月, 2006 2 次提交
    • R
      [PATCH] S2io: Large Receive Offload (LRO) feature(v2) for Neterion (s2io)... · 7d3d0439
      由 Ravinandan Arakali 提交于 
      [PATCH] S2io: Large Receive Offload (LRO) feature(v2) for Neterion (s2io) 10GbE Xframe PCI-X and PCI-E NICs

Hi,
Below is a patch for the Large Receive Offload feature.
Please review and let us know your comments.

LRO algorithm was described in an OLS 2005 presentation, located at
ftp.s2io.com
user: linuxdocs
password: HALdocs

The same ftp site has Programming Manual for Xframe-I ASIC.
LRO feature is supported on Neterion Xframe-I, Xframe-II and
Xframe-Express 10GbE NICs.

Brief description:
The Large Receive Offload(LRO) feature is a stateless offload
that is complementary to TSO feature but on the receive path.
The idea is to combine and collapse(upto 64K maximum) in the
driver, in-sequence TCP packets belonging to the same session.
It is mainly designed to improve 1500 mtu receive performance,
since Jumbo frame performance is already close to 10GbE line
rate. Some performance numbers are attached below.

Implementation details:
1. Handle packet chains from multiple sessions(current default
MAX_LRO_SESSSIONS=32).
2. Examine each packet for eligiblity to aggregate. A packet is
considered eligible if it meets all the below criteria.
  a. It is a TCP/IP packet and L2 type is not LLC or SNAP.
  b. The packet has no checksum errors(L3 and L4).
  c. There are no IP options. The only TCP option supported is timestamps.
  d. Search and locate the LRO object corresponding to this
     socket and ensure packet is in TCP sequence.
  e. It's not a special packet(SYN, FIN, RST, URG, PSH etc. flags are not set).
  f. TCP payload is non-zero(It's not a pure ACK).
  g. It's not an IP-fragmented packet.
3. If a packet is found eligible, the LRO object is updated with
   information such as next sequence number expected, current length
   of aggregated packet and so on. If not eligible or max packets
   reached, update IP and TCP headers of first packet in the chain
   and pass it up to stack.
4. The frag_list in skb structure is used to chain packets into one
   large packet.

Kernel changes required: None

Performance results:
Main focus of the initial testing was on 1500 mtu receiver, since this
is a bottleneck not covered by the existing stateless offloads.

There are couple disclaimers about the performance results below:
1. Your mileage will vary!!!! We initially concentrated on couple pci-x
2.0 platforms that are powerful enough to push 10 GbE NIC and do not
have bottlenecks other than cpu%;  testing on other platforms is still
in progress. On some lower end systems we are seeing lower gains.

2. Current LRO implementation is still (for the most part) software based,
and therefore performance potential of the feature is far from being realized.
Full hw implementation of LRO is expected in the next version of Xframe ASIC.

Performance delta(with MTU=1500) going from LRO disabled to enabled:
IBM 2-way Xeon (x366) : 3.5 to 7.1 Gbps
2-way Opteron : 4.5 to 6.1 Gbps
Signed-off-by: NRavinandan Arakali <ravinandan.arakali@neterion.com>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
      7d3d0439
    • A
      [PATCH] s2io: scatter-gather fix · efd51b5c
      由 Ananda Raju 提交于 
      	There is a problem with fragmented skb in s2io driver version 2.0.9.4
	available in 2.6.16-rc1 kernel. The adapter will fail to transmit if
	any scatter-gather skb arrives.  This patch provides fix for the above
	described problem.
Signed-off-by: NAnanda Raju <ananda.raju@neterion.com>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
      efd51b5c
  13. 17 1月, 2006 1 次提交
  15. 24 12月, 2005 1 次提交
    • A
      [PATCH] git-netdev-all: s2io warning fix · 26b7625c
      由 Andrew Morton 提交于 
      drivers/net/s2io.c: In function `s2io_txdl_getskb':
drivers/net/s2io.c:2023: warning: cast from pointer to integer of different size
drivers/net/s2io.c: In function `s2io_open':
drivers/net/s2io.c:3325: warning: long long unsigned int format, u64 arg (arg 3)
drivers/net/s2io.c:3333: warning: long long unsigned int format, u64 arg (arg 3)
drivers/net/s2io.c: In function `s2io_eeprom_test':
drivers/net/s2io.c:4749: warning: long long unsigned int format, long unsigned int arg (arg 3)
drivers/net/s2io.c:4749: warning: long long unsigned int format, u64 arg (arg 4)
drivers/net/s2io.c:4768: warning: long long unsigned int format, long unsigned int arg (arg 3)
drivers/net/s2io.c:4768: warning: long long unsigned int format, u64 arg (arg 4)

I had to update this patch because more warnings have just appeared.

You cannot print a u64 with %l or %ll.  You do not know what type the
architecture is using.  It must be cast to a type which matches the printf
control string - unsigned long long.

The patch also fixes some overly-long strings.  Please try to keep the code
looking neat in an 80-col window.

Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Ananda Raju <Ananda.Raju@neterion.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
      26b7625c
  17. 16 12月, 2005 1 次提交
  19. 19 11月, 2005 1 次提交
  21. 09 11月, 2005 1 次提交
    • O
      [PATCH] changing CONFIG_LOCALVERSION rebuilds too much, for no good reason · 733482e4
      由 Olaf Hering 提交于 
      This patch removes almost all inclusions of linux/version.h.  The 3
#defines are unused in most of the touched files.

A few drivers use the simple KERNEL_VERSION(a,b,c) macro, which is
unfortunatly in linux/version.h.

There are also lots of #ifdef for long obsolete kernels, this was not
touched.  In a few places, the linux/version.h include was move to where
the LINUX_VERSION_CODE was used.

quilt vi `find * -type f -name "*.[ch]"|xargs grep -El '(UTS_RELEASE|LINUX_VERSION_CODE|KERNEL_VERSION|linux/version.h)'|grep -Ev '(/(boot|coda|drm)/|~$)'`

search pattern:
/UTS_RELEASE\|LINUX_VERSION_CODE\|KERNEL_VERSION\|linux\/\(utsname\|version\).h
Signed-off-by: NOlaf Hering <olh@suse.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
      733482e4
  23. 08 11月, 2005 1 次提交
  25. 06 11月, 2005 2 次提交
    • J
      [netdrvr s2io] warning fixes · 50eb8006
      由 Jeff Garzik 提交于 
      From Andrew Morton.
      50eb8006
    • A
      [PATCH] S2io: Multi buffer mode support · da6971d8
      由 Ananda Raju 提交于 
      Hi,
This patch  provides dynamic two buffer-mode and 3 buffer-mode options.
Previously 2 buffer-mode was compilation option. Now with this patch applied
one can load driver in 2 buffer-mode with module-load parameter

ie.
#insmod s2io.ko rx_ring_mode=2

This patch also provides 3 buffer-mode which provides header separation
functionality. In 3 buffer-mode skb->data will have L2/L3/L4 headers and
"skb_shinfo(skb)->frag_list->data" will have have L4 payload.
one can load driver in 3 buffer-mode with same above module-load parameter

ie.
#insmod s2io.ko rx_ring_mode=3

Please review the patch.
Signed-off-by: NAnanda Raju <ananda.raju@neterion.com>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
      da6971d8
  27. 30 10月, 2005 2 次提交
  29. 29 10月, 2005 1 次提交
  31. 19 10月, 2005 2 次提交
    • A
      [PATCH] s2io build fix · 92383340
      由 Andrew Morton 提交于 
      Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
      92383340
    • R
      [PATCH] S2io: Offline diagnostics fixes · ad4ebed0
      由 ravinandan.arakali@neterion.com 提交于 
      This patch fixes the following bugs with offline diagnostics
code(run with "ethtool -t").

1. After running offline diagnostics, adapter would report
corrupted packets on receive. This was because of adapter not
being brought out of "RLDRAM test mode".
2. Current EEPROM test works only for Xframe I. Since Xframe II
uses different interface(SPI), support for this interface has
been added. Also, since SPI supports write access to all areas
of EEPROM, negative testing is done only for Xframe I.
3. Return values from subfunctions of offline diagnostics have
been corrected.
4. In register test, expected value from rx_queue_cfg register
is made to depend on adapter type.
5. After the test, need to restore values at EEPROM offsets
0x4F0 and 0x7F0. These locations were modified as part of test.
6. Use macro SPECIAL_REG_WRITE for write access to mc_rldram_test_ctrl
register. Also, couple of unnecessary writes to mc_rldram_test_ctrl
have been removed.
Signed-off-by: NRavinandan Arakali <ravinandan.arakali@neterion.com>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
      ad4ebed0
  33. 04 10月, 2005 3 次提交
  35. 14 9月, 2005 1 次提交
    • A
      [PATCH] s2io warning fixes · 6b4d617d
      由 Andrew Morton 提交于 
      drivers/net/s2io.c: In function `init_shared_mem':
drivers/net/s2io.c:431: warning: cast from pointer to integer of different size
drivers/net/s2io.c: In function `free_shared_mem':
drivers/net/s2io.c:662: warning: cast from pointer to integer of different size

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
      6b4d617d
  37. 08 9月, 2005 1 次提交
  39. 07 9月, 2005 1 次提交
    • R
      [PATCH] S2io: Hardware and miscellaneous fixes · 776bd20f
      由 ravinandan.arakali@neterion.com 提交于 
      Hi,
This patch contains the following hardware related fixes and other
miscellaneous bug fixes.

1. Updated the definition of single and double-bit ECC errors
2. Earlier we were allocating Transmit descriptors equal to
   MAX_SKB_FRAGS. This was causing a boundary condition failure.
   Need to allocate MAX_SKB_FRAGS+1 descriptors.
3. On some platforms(like PPC), pci_alloc_consistent() can return
   a zero DMA address. Since the NIC cannot handle zero-addresses,
   a workaround has been provided. Basically, we don't use such
   that page. We reallocate.
4. If list_info allocation failed during driver load, check for
   it during driver exit and return instead of trying to dereference
   NULL pointer.
5. Increase the debug level of few non-critical debug messages.
6. Reset the card on critical ECC double errors only in case of
   XframeI since XframeII can recover from such errors.
7. Print copyright message on driver load.
8. Bumped up the driver version no. to 2.0.8.1
Signed-off-by: NRavinandan Arakali <ravinandan.arakali@neterion.com>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
      776bd20f
  41. 06 9月, 2005 1 次提交
  43. 20 8月, 2005 1 次提交
  45. 11 8月, 2005 7 次提交