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authorChristoph Lameter <christoph@graphe.net>2005-03-30 13:34:31 -0800
committerJeff Garzik <jgarzik@pobox.com>2005-05-15 19:15:02 -0400
commit8199d3a79c224bbe5943fa08684e1f93a17881b0 (patch)
tree77726ddade7ca4282bc12315abcb01fdf241be74 /drivers/net/Kconfig
parent88d7bd8cb9eb8d64bf7997600b0d64f7834047c5 (diff)
downloadlinux-8199d3a79c224bbe5943fa08684e1f93a17881b0.tar.gz
[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
Diffstat (limited to 'drivers/net/Kconfig')
-rw-r--r--drivers/net/Kconfig19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 3a0a55b62aaff8..8a7928f1d57963 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2080,6 +2080,25 @@ endmenu
menu "Ethernet (10000 Mbit)"
depends on NETDEVICES && !UML
+config CHELSIO_T1
+ tristate "Chelsio 10Gb Ethernet support"
+ depends on PCI
+ help
+ This driver supports Chelsio N110 and N210 models 10Gb Ethernet
+ cards. More information about adapter features and performance
+ tuning is in <file:Documentation/networking/cxgb.txt>.
+
+ For general information about Chelsio and our products, visit
+ our website at <http://www.chelsio.com>.
+
+ For customer support, please visit our customer support page at
+ <http://www.chelsio.com/support.htm>.
+
+ Please send feedback to <linux-bugs@chelsio.com>.
+
+ To compile this driver as a module, choose M here: the module
+ will be called cxgb.
+
config IXGB
tristate "Intel(R) PRO/10GbE support"
depends on PCI