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Date: Fri, 25 Jun 2010 15:49:45 +0100
From: Ben Hutchings <bhutchings@...arflare.com>
To: Jeff Garzik <jgarzik@...hat.com>
Cc: netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: [PATCH ethtool 4/5] ethtool: Implement named message type flags
Allow message type flags to be turned on and off by name.
Print the names of the currently set flags below the numeric value.
Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
ethtool.8 | 66 +++++++++++++++++++++++++++++++++++++--
ethtool.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++++------
2 files changed, 156 insertions(+), 14 deletions(-)
diff --git a/ethtool.8 b/ethtool.8
index a7b43d5..5983d0e 100644
--- a/ethtool.8
+++ b/ethtool.8
@@ -200,7 +200,10 @@ ethtool \- Display or change ethernet card settings
.RB [ wol \ \*(WO]
.RB [ sopass \ \*(MA]
.RB [ msglvl
-.IR N ]
+.IR N \ |
+.BI msglvl \ type
+.A1 on off
+.RB ...]
.B ethtool \-n
.I ethX
@@ -482,9 +485,66 @@ Disable (wake on nothing). This option clears all previous options.
.B sopass \*(MA\c
Sets the SecureOn(tm) password. The argument to this option must be 6
bytes in ethernet MAC hex format (\*(MA).
-.TP
+.PP
.BI msglvl \ N
-Sets the driver message level. Meanings differ per driver.
+.br
+.BI msglvl \ type
+.A1 on off
+.RB ...
+.RS
+Sets the driver message type flags by name or number. \fItype\fR
+names the type of message to enable or disable; \fIN\fR specifies the
+new flags numerically. The defined type names and numbers are:
+.PD 0
+.TP 12
+.B drv
+0x0001 General driver status
+.TP 12
+.B probe
+0x0002 Hardware probing
+.TP 12
+.B link
+0x0004 Link state
+.TP 12
+.B timer
+0x0008 Periodic status check
+.TP 12
+.B ifdown
+0x0010 Interface being brought down
+.TP 12
+.B ifup
+0x0020 Interface being brought up
+.TP 12
+.B rx_err
+0x0040 Receive error
+.TP 12
+.B tx_err
+0x0080 Transmit error
+.TP 12
+.B tx_queued
+0x0100 Transmit queueing
+.TP 12
+.B intr
+0x0200 Interrupt handling
+.TP 12
+.B tx_done
+0x0400 Transmit completion
+.TP 12
+.B rx_status
+0x0800 Receive completion
+.TP 12
+.B pktdata
+0x1000 Packet contents
+.TP 12
+.B hw
+0x2000 Hardware status
+.TP 12
+.B wol
+0x4000 Wake-on-LAN status
+.PP
+The precise meanings of these type flags differ between drivers.
+.PD
+.RE
.TP
.B \-n \-\-show-nfc
Retrieves the receive network flow classification configurations.
diff --git a/ethtool.c b/ethtool.c
index 4adab4b..a70cd03 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -20,7 +20,6 @@
* * better man page (steal from mii-tool?)
* * fall back on SIOCMII* ioctl()s and possibly SIOCDEVPRIVATE*
* * abstract ioctls to allow for fallback modes of data gathering
- * * symbolic names for msglvl bitmask
*/
#ifdef HAVE_CONFIG_H
@@ -39,6 +38,7 @@
#include <net/if.h>
#include <sys/utsname.h>
#include <limits.h>
+#include <ctype.h>
#include <linux/sockios.h>
#include "ethtool-util.h"
@@ -51,6 +51,26 @@
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif
+#ifndef HAVE_NETIF_MSG
+enum {
+ NETIF_MSG_DRV = 0x0001,
+ NETIF_MSG_PROBE = 0x0002,
+ NETIF_MSG_LINK = 0x0004,
+ NETIF_MSG_TIMER = 0x0008,
+ NETIF_MSG_IFDOWN = 0x0010,
+ NETIF_MSG_IFUP = 0x0020,
+ NETIF_MSG_RX_ERR = 0x0040,
+ NETIF_MSG_TX_ERR = 0x0080,
+ NETIF_MSG_TX_QUEUED = 0x0100,
+ NETIF_MSG_INTR = 0x0200,
+ NETIF_MSG_TX_DONE = 0x0400,
+ NETIF_MSG_RX_STATUS = 0x0800,
+ NETIF_MSG_PKTDATA = 0x1000,
+ NETIF_MSG_HW = 0x2000,
+ NETIF_MSG_WOL = 0x4000,
+};
+#endif
+
static int parse_wolopts(char *optstr, u32 *data);
static char *unparse_wolopts(int wolopts);
static int parse_sopass(char *src, unsigned char *dest);
@@ -126,7 +146,7 @@ static struct option {
" [ xcvr internal|external ]\n"
" [ wol p|u|m|b|a|g|s|d... ]\n"
" [ sopass %x:%x:%x:%x:%x:%x ]\n"
- " [ msglvl %d ] \n" },
+ " [ msglvl %d | msglvl type on|off ... ]\n" },
{ "-a", "--show-pause", MODE_GPAUSE, "Show pause options" },
{ "-A", "--pause", MODE_SPAUSE, "Set pause options",
" [ autoneg on|off ]\n"
@@ -313,7 +333,6 @@ static int wol_change = 0;
static u8 sopass_wanted[SOPASS_MAX];
static int sopass_change = 0;
static int gwol_changed = 0; /* did anything in GWOL change? */
-static int msglvl_wanted = -1;
static int phys_id_time = 0;
static int gregs_changed = 0;
static int gregs_dump_raw = 0;
@@ -337,6 +356,11 @@ static struct ethtool_rx_ntuple_flow_spec ntuple_fs;
static char *flash_file = NULL;
static int flash = -1;
static int flash_region = -1;
+
+static int msglvl_changed;
+static u32 msglvl_wanted = 0;
+static u32 msglvl_unwanted =0;
+
static enum {
ONLINE=0,
OFFLINE,
@@ -455,6 +479,39 @@ static struct cmdline_info cmdline_ntuple[] = {
{ "action", CMDL_S32, &ntuple_fs.action, NULL },
};
+static struct cmdline_info cmdline_msglvl[] = {
+ { "drv", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_DRV, &msglvl_unwanted },
+ { "probe", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_PROBE, &msglvl_unwanted },
+ { "link", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_LINK, &msglvl_unwanted },
+ { "timer", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_TIMER, &msglvl_unwanted },
+ { "ifdown", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_IFDOWN, &msglvl_unwanted },
+ { "ifup", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_IFUP, &msglvl_unwanted },
+ { "rx_err", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_RX_ERR, &msglvl_unwanted },
+ { "tx_err", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_TX_ERR, &msglvl_unwanted },
+ { "tx_queued", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_TX_QUEUED, &msglvl_unwanted },
+ { "intr", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_INTR, &msglvl_unwanted },
+ { "tx_done", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_TX_DONE, &msglvl_unwanted },
+ { "rx_status", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_RX_STATUS, &msglvl_unwanted },
+ { "pktdata", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_PKTDATA, &msglvl_unwanted },
+ { "hw", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_HW, &msglvl_unwanted },
+ { "wol", CMDL_FLAG, &msglvl_wanted, NULL,
+ NETIF_MSG_WOL, &msglvl_unwanted },
+};
+
static long long
get_int_range(char *str, int base, long long min, long long max)
{
@@ -920,7 +977,20 @@ static void parse_cmdline(int argc, char **argp)
i++;
if (i >= argc)
show_usage(1);
- msglvl_wanted = get_int(argp[i], 0);
+ if (isdigit((unsigned char)argp[i][0])) {
+ msglvl_changed = 1;
+ msglvl_unwanted = ~0;
+ msglvl_wanted =
+ get_uint_range(argp[i], 0,
+ 0xffffffff);
+ } else {
+ parse_generic_cmdline(
+ argc, argp, i,
+ &msglvl_changed,
+ cmdline_msglvl,
+ ARRAY_SIZE(cmdline_msglvl));
+ i = argc;
+ }
break;
}
show_usage(1);
@@ -2247,8 +2317,12 @@ static int do_gset(int fd, struct ifreq *ifr)
ifr->ifr_data = (caddr_t)&edata;
err = send_ioctl(fd, ifr);
if (err == 0) {
- fprintf(stdout, " Current message level: 0x%08x (%d)\n",
+ fprintf(stdout, " Current message level: 0x%08x (%d)\n"
+ " ",
edata.data, edata.data);
+ print_flags(cmdline_msglvl, ARRAY_SIZE(cmdline_msglvl),
+ edata.data);
+ fprintf(stdout, "\n");
allfail = 0;
} else if (errno != EOPNOTSUPP) {
perror("Cannot get message level");
@@ -2371,15 +2445,23 @@ static int do_sset(int fd, struct ifreq *ifr)
}
}
- if (msglvl_wanted != -1) {
+ if (msglvl_changed) {
struct ethtool_value edata;
- edata.cmd = ETHTOOL_SMSGLVL;
- edata.data = msglvl_wanted;
- ifr->ifr_data = (caddr_t)&edata;;
+ edata.cmd = ETHTOOL_GMSGLVL;
+ ifr->ifr_data = (caddr_t)&edata;
err = send_ioctl(fd, ifr);
- if (err < 0)
- perror("Cannot set new msglvl");
+ if (err < 0) {
+ perror("Cannot get msglvl");
+ } else {
+ edata.cmd = ETHTOOL_SMSGLVL;
+ edata.data = ((edata.data & ~msglvl_unwanted) |
+ msglvl_wanted);
+ ifr->ifr_data = (caddr_t)&edata;
+ err = send_ioctl(fd, ifr);
+ if (err < 0)
+ perror("Cannot set new msglvl");
+ }
}
return 0;
--
1.6.2.5
--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
--
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