diff options
author | Christoph Lameter <christoph@graphe.net> | 2005-03-30 16:34:31 -0500 |
---|---|---|
committer | Jeff Garzik <jgarzik@pobox.com> | 2005-05-15 19:15:02 -0400 |
commit | 8199d3a79c224bbe5943fa08684e1f93a17881b0 (patch) | |
tree | 77726ddade7ca4282bc12315abcb01fdf241be74 /drivers/net/chelsio/gmac.h | |
parent | 88d7bd8cb9eb8d64bf7997600b0d64f7834047c5 (diff) |
[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/chelsio/gmac.h')
-rw-r--r-- | drivers/net/chelsio/gmac.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/drivers/net/chelsio/gmac.h b/drivers/net/chelsio/gmac.h new file mode 100644 index 000000000000..24501e2232cc --- /dev/null +++ b/drivers/net/chelsio/gmac.h | |||
@@ -0,0 +1,133 @@ | |||
1 | /***************************************************************************** | ||
2 | * * | ||
3 | * File: gmac.h * | ||
4 | * $Revision: 1.3 $ * | ||
5 | * $Date: 2005/03/23 07:15:58 $ * | ||
6 | * Description: * | ||
7 | * Generic MAC functionality. * | ||
8 | * part of the Chelsio 10Gb Ethernet Driver. * | ||
9 | * * | ||
10 | * This program is free software; you can redistribute it and/or modify * | ||
11 | * it under the terms of the GNU General Public License, version 2, as * | ||
12 | * published by the Free Software Foundation. * | ||
13 | * * | ||
14 | * You should have received a copy of the GNU General Public License along * | ||
15 | * with this program; if not, write to the Free Software Foundation, Inc., * | ||
16 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * | ||
17 | * * | ||
18 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * | ||
19 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * | ||
20 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * | ||
21 | * * | ||
22 | * http://www.chelsio.com * | ||
23 | * * | ||
24 | * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * | ||
25 | * All rights reserved. * | ||
26 | * * | ||
27 | * Maintainers: maintainers@chelsio.com * | ||
28 | * * | ||
29 | * Authors: Dimitrios Michailidis <dm@chelsio.com> * | ||
30 | * Tina Yang <tainay@chelsio.com> * | ||
31 | * Felix Marti <felix@chelsio.com> * | ||
32 | * Scott Bardone <sbardone@chelsio.com> * | ||
33 | * Kurt Ottaway <kottaway@chelsio.com> * | ||
34 | * Frank DiMambro <frank@chelsio.com> * | ||
35 | * * | ||
36 | * History: * | ||
37 | * * | ||
38 | ****************************************************************************/ | ||
39 | |||
40 | #ifndef CHELSIO_GMAC_H | ||
41 | #define CHELSIO_GMAC_H | ||
42 | |||
43 | #include "common.h" | ||
44 | |||
45 | enum { MAC_STATS_UPDATE_FAST, MAC_STATS_UPDATE_FULL }; | ||
46 | enum { MAC_DIRECTION_RX = 1, MAC_DIRECTION_TX = 2 }; | ||
47 | |||
48 | struct cmac_statistics { | ||
49 | /* Transmit */ | ||
50 | u64 TxOctetsOK; | ||
51 | u64 TxOctetsBad; | ||
52 | u64 TxUnicastFramesOK; | ||
53 | u64 TxMulticastFramesOK; | ||
54 | u64 TxBroadcastFramesOK; | ||
55 | u64 TxPauseFrames; | ||
56 | u64 TxFramesWithDeferredXmissions; | ||
57 | u64 TxLateCollisions; | ||
58 | u64 TxTotalCollisions; | ||
59 | u64 TxFramesAbortedDueToXSCollisions; | ||
60 | u64 TxUnderrun; | ||
61 | u64 TxLengthErrors; | ||
62 | u64 TxInternalMACXmitError; | ||
63 | u64 TxFramesWithExcessiveDeferral; | ||
64 | u64 TxFCSErrors; | ||
65 | |||
66 | /* Receive */ | ||
67 | u64 RxOctetsOK; | ||
68 | u64 RxOctetsBad; | ||
69 | u64 RxUnicastFramesOK; | ||
70 | u64 RxMulticastFramesOK; | ||
71 | u64 RxBroadcastFramesOK; | ||
72 | u64 RxPauseFrames; | ||
73 | u64 RxFCSErrors; | ||
74 | u64 RxAlignErrors; | ||
75 | u64 RxSymbolErrors; | ||
76 | u64 RxDataErrors; | ||
77 | u64 RxSequenceErrors; | ||
78 | u64 RxRuntErrors; | ||
79 | u64 RxJabberErrors; | ||
80 | u64 RxInternalMACRcvError; | ||
81 | u64 RxInRangeLengthErrors; | ||
82 | u64 RxOutOfRangeLengthField; | ||
83 | u64 RxFrameTooLongErrors; | ||
84 | }; | ||
85 | |||
86 | struct cmac_ops { | ||
87 | void (*destroy)(struct cmac *); | ||
88 | int (*reset)(struct cmac *); | ||
89 | int (*interrupt_enable)(struct cmac *); | ||
90 | int (*interrupt_disable)(struct cmac *); | ||
91 | int (*interrupt_clear)(struct cmac *); | ||
92 | int (*interrupt_handler)(struct cmac *); | ||
93 | |||
94 | int (*enable)(struct cmac *, int); | ||
95 | int (*disable)(struct cmac *, int); | ||
96 | |||
97 | int (*loopback_enable)(struct cmac *); | ||
98 | int (*loopback_disable)(struct cmac *); | ||
99 | |||
100 | int (*set_mtu)(struct cmac *, int mtu); | ||
101 | int (*set_rx_mode)(struct cmac *, struct t1_rx_mode *rm); | ||
102 | |||
103 | int (*set_speed_duplex_fc)(struct cmac *, int speed, int duplex, int fc); | ||
104 | int (*get_speed_duplex_fc)(struct cmac *, int *speed, int *duplex, | ||
105 | int *fc); | ||
106 | |||
107 | const struct cmac_statistics *(*statistics_update)(struct cmac *, int); | ||
108 | |||
109 | int (*macaddress_get)(struct cmac *, u8 mac_addr[6]); | ||
110 | int (*macaddress_set)(struct cmac *, u8 mac_addr[6]); | ||
111 | }; | ||
112 | |||
113 | typedef struct _cmac_instance cmac_instance; | ||
114 | |||
115 | struct cmac { | ||
116 | struct cmac_statistics stats; | ||
117 | adapter_t *adapter; | ||
118 | struct cmac_ops *ops; | ||
119 | cmac_instance *instance; | ||
120 | }; | ||
121 | |||
122 | struct gmac { | ||
123 | unsigned int stats_update_period; | ||
124 | struct cmac *(*create)(adapter_t *adapter, int index); | ||
125 | int (*reset)(adapter_t *); | ||
126 | }; | ||
127 | |||
128 | extern struct gmac t1_pm3393_ops; | ||
129 | extern struct gmac t1_chelsio_mac_ops; | ||
130 | extern struct gmac t1_vsc7321_ops; | ||
131 | extern struct gmac t1_ixf1010_ops; | ||
132 | extern struct gmac t1_dummy_mac_ops; | ||
133 | #endif | ||