kernel_optimize_test/drivers
Christoph Lameter 8199d3a79c [PATCH] A new 10GB Ethernet Driver by Chelsio Communications
A Linux driver for the Chelsio 10Gb Ethernet Network Controller by Chelsio
(http://www.chelsio.com).  This driver supports the Chelsio N210 NIC and is
backward compatible with the Chelsio N110 model 10Gb NICs.  It supports
AMD64, EM64T and x86 systems.

Signed-off-by: Tina Yang <tinay@chelsio.com>
Signed-off-by: Scott Bardone <sbardone@chelsio.com>
Signed-off-by: Christoph Lameter <christoph@lameter.com>

Adrian said:

- my3126.c is unused (because t1_my3126_ops isn't used anywhere)
- what are the EXTRA_CFLAGS in drivers/net/chelsio/Makefile for?
- $(cxgb-y) in drivers/net/chelsio/Makefile seems to be unneeded
- completely unused global functions:
  - espi.c: t1_espi_get_intr_counts
  - sge.c: t1_sge_get_intr_counts
- the following functions can be made static:
  - sge.c: t1_espi_workaround
  - sge.c: t1_sge_tx
  - subr.c: __t1_tpi_read
  - subr.c: __t1_tpi_write
  - subr.c: t1_wait_op_done

shemminger said:

The performance recommendations in cxgb.txt are common to all fast devices,
and should be in one file rather than just for this device. I would rather
see ip-sysctl.txt updated or a new file on tuning recommendations started.
Some of them have consequences that aren't documented well.
For example, turning off TCP timestamps risks data corruption from sequence wrap.

A new driver shouldn't need so may #ifdef's unless you want to putit on older
vendor versions of 2.4

Some accessor and wrapper functions like:
        t1_pci_read_config_4
        adapter_name
        t1_malloc
are just annoying noise.

Why have useless dead code like:

/* Interrupt handler */
+static int pm3393_interrupt_handler(struct cmac *cmac)
+{
+       u32 master_intr_status;
+/*
+    1. Read master interrupt register.
+    2. Read BLOCK's interrupt status registers.
+    3. Handle BLOCK interrupts.
+*/

Jeff said:

step 1:  kill all the OS wrappers.

 And do you really need hooks for multiple MACs, when only one MAC is
 really supported?  Typically these hooks are at a higher level anyway --
 struct net_device.

From: Christoph Lameter <christoph@lameter

Driver modified as suggested by Pekka Enberg, Stephen Hemminger and Andrian
Bunk.  Reduces the size of the driver to ~260k.

- clean up tabs
- removed my3126.c
- removed 85% of suni1x10gexp_regs.h
- removed 80% of regs.h
- removed various calls, renamed variables/functions.
- removed system specific and other wrappers (usleep, msleep)
- removed dead code
- dropped redundant casts in osdep.h
- dropped redundant check of kfree
- dropped weird code (MODVERSIONS stuff)
- reduced number of #ifdefs
- use kcalloc now instead of kmalloc
- Add information about known issues with the driver
- Add information about authors

Signed-off-by: Scott Bardone <sbardone@chelsio.com>
Signed-off-by: Christoph Lameter <christoph@lameter.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>

diff -puN /dev/null Documentation/networking/cxgb.txt
2005-05-15 19:15:02 -04:00
..
acorn Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
acpi [PATCH] DocBook: fix some descriptions 2005-05-01 08:59:26 -07:00
atm [ATM]: ENI155P error handling fix 2005-04-24 19:14:36 -07:00
base [PATCH] drivers/base/bus.c: fix iteration in driver_detach() 2005-05-04 23:44:38 -07:00
block [PATCH] drivers/block/rd.c: rd_size shouldn't be static 2005-05-06 16:58:18 -07:00
bluetooth Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cdrom [PATCH] make some things static 2005-05-05 16:36:47 -07:00
char [PATCH] make some things static 2005-05-05 16:36:47 -07:00
cpufreq [PATCH] cpufreq annoying warning fix 2005-05-02 08:15:22 -07:00
crypto Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dio Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
eisa Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
fc4 Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
firmware Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
i2c [PATCH] ppc annotations: i2c-mpc 2005-04-25 18:32:12 -07:00
ide [PATCH] drivers/ide/pci/sis5513.c: section fixes 2005-05-05 16:36:41 -07:00
ieee1394 [PATCH] Fix non-legacy ISO receive regression 2005-04-21 14:09:42 -07:00
infiniband [PATCH] fix include order in mthca_memfree.c 2005-05-01 08:59:14 -07:00
input [PATCH] drivers/input/joystick/spaceorb.c: fix an array overflow 2005-05-01 08:59:30 -07:00
isdn [PATCH] make lots of things static 2005-05-01 08:59:29 -07:00
macintosh [PATCH] ppc32: Fix might_sleep() warning with clock spreading 2005-05-02 08:15:22 -07:00
mca Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
md [PATCH] make some things static 2005-05-05 16:36:47 -07:00
media [PATCH] video/tuner: add VIDEO_G_FREQUENCY and freq range to VIDIOC_G_TUNER 2005-05-06 22:09:28 -07:00
message [PATCH] Convert i2o to compat_ioctl 2005-04-18 12:34:15 -05:00
misc Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mmc [PATCH] ISA DMA Kconfig fixes - part 3 2005-05-04 07:33:14 -07:00
mtd [PATCH] fix u32 vs. pm_message_t in drivers/mmc,mtd,scsi 2005-04-16 15:25:29 -07:00
net [PATCH] A new 10GB Ethernet Driver by Chelsio Communications 2005-05-15 19:15:02 -04:00
nubus Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
oprofile [PATCH] oprofile trivial user annotations 2005-04-26 07:43:42 -07:00
parisc Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
parport [PATCH] ISA_DMA Kconfig fixes - part 2 (parport_pc) 2005-05-04 07:33:13 -07:00
pci [PATCH] PCI: drivers/pci/pci.c: remove pci_dac_set_dma_mask 2005-05-03 23:45:17 -07:00
pcmcia [PATCH] pcmcia: yenta TI: align irq of func1 to func0 if INTRTIE is set 2005-05-05 16:36:43 -07:00
pnp [PATCH] drivers/pnp/pnpacpi/rsparser.c: fix an array overflow 2005-05-01 08:59:30 -07:00
s390 Automatic merge of rsync://www.parisc-linux.org/~jejb/git/scsi-for-linus-2.6.git 2005-05-06 16:46:40 -07:00
sbus [PATCH] mostek bogus sparse annotations fixed 2005-04-24 12:28:36 -07:00
scsi Automatic merge of rsync://www.parisc-linux.org/~jejb/git/scsi-for-linus-2.6.git 2005-05-06 16:46:40 -07:00
serial [PATCH] 8250_pci.c: add comment about enum sorting order 2005-05-06 10:19:09 +01:00
sh Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sn Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
tc Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
telephony [PATCH] ixj* - compile warning cleanup 2005-05-05 16:36:48 -07:00
usb [PATCH] USB cypress_m8: update kernel driver with current source 2005-05-03 23:31:52 -07:00
video [PATCH] make some things static 2005-05-05 16:36:47 -07:00
w1 [PATCH] w1_smem: w1 ID is only 8 bytes long. 2005-04-18 21:16:57 -07:00
zorro Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Kconfig Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00