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Date: Thu, 23 Sep 2010 22:48:14 +0100
From: Ben Hutchings <bhutchings@...arflare.com>
To: Jeff Garzik <jgarzik@...ox.com>
Cc: netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: [PATCH ethtool 2/7] ethtool: Generalise cmdline_info::unwanted_val
to a "seen" flag or bitmask
Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
ethtool.c | 68 +++++++++++++++++++++++++++++++++---------------------------
1 files changed, 37 insertions(+), 31 deletions(-)
diff --git a/ethtool.c b/ethtool.c
index 6b2b7c8..8c5d595 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -290,7 +290,7 @@ static int off_tso_wanted = -1;
static int off_ufo_wanted = -1;
static int off_gso_wanted = -1;
static u32 off_flags_wanted = 0;
-static u32 off_flags_unwanted = 0;
+static u32 off_flags_mask = 0;
static int off_gro_wanted = -1;
static struct ethtool_pauseparam epause;
@@ -372,7 +372,7 @@ static int flash_region = -1;
static int msglvl_changed;
static u32 msglvl_wanted = 0;
-static u32 msglvl_unwanted =0;
+static u32 msglvl_mask = 0;
static enum {
ONLINE=0,
@@ -402,8 +402,10 @@ struct cmdline_info {
void *ioctl_val;
/* For FLAG, the flag value to be set/cleared */
u32 flag_val;
- /* For FLAG, accumulates all flags to be cleared */
- u32 *unwanted_val;
+ /* For FLAG, points to u32 and accumulates all flags seen.
+ * For anything else, points to int and is set if the option is
+ * seen. */
+ void *seen_val;
};
static struct cmdline_info cmdline_gregs[] = {
@@ -433,12 +435,12 @@ static struct cmdline_info cmdline_offload[] = {
{ "ufo", CMDL_BOOL, &off_ufo_wanted, NULL },
{ "gso", CMDL_BOOL, &off_gso_wanted, NULL },
{ "lro", CMDL_FLAG, &off_flags_wanted, NULL,
- ETH_FLAG_LRO, &off_flags_unwanted },
+ ETH_FLAG_LRO, &off_flags_mask },
{ "gro", CMDL_BOOL, &off_gro_wanted, NULL },
{ "ntuple", CMDL_FLAG, &off_flags_wanted, NULL,
- ETH_FLAG_NTUPLE, &off_flags_unwanted },
+ ETH_FLAG_NTUPLE, &off_flags_mask },
{ "rxhash", CMDL_FLAG, &off_flags_wanted, NULL,
- ETH_FLAG_RXHASH, &off_flags_unwanted },
+ ETH_FLAG_RXHASH, &off_flags_mask },
};
static struct cmdline_info cmdline_pause[] = {
@@ -497,35 +499,35 @@ static struct cmdline_info cmdline_ntuple[] = {
static struct cmdline_info cmdline_msglvl[] = {
{ "drv", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_DRV, &msglvl_unwanted },
+ NETIF_MSG_DRV, &msglvl_mask },
{ "probe", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_PROBE, &msglvl_unwanted },
+ NETIF_MSG_PROBE, &msglvl_mask },
{ "link", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_LINK, &msglvl_unwanted },
+ NETIF_MSG_LINK, &msglvl_mask },
{ "timer", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_TIMER, &msglvl_unwanted },
+ NETIF_MSG_TIMER, &msglvl_mask },
{ "ifdown", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_IFDOWN, &msglvl_unwanted },
+ NETIF_MSG_IFDOWN, &msglvl_mask },
{ "ifup", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_IFUP, &msglvl_unwanted },
+ NETIF_MSG_IFUP, &msglvl_mask },
{ "rx_err", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_RX_ERR, &msglvl_unwanted },
+ NETIF_MSG_RX_ERR, &msglvl_mask },
{ "tx_err", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_TX_ERR, &msglvl_unwanted },
+ NETIF_MSG_TX_ERR, &msglvl_mask },
{ "tx_queued", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_TX_QUEUED, &msglvl_unwanted },
+ NETIF_MSG_TX_QUEUED, &msglvl_mask },
{ "intr", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_INTR, &msglvl_unwanted },
+ NETIF_MSG_INTR, &msglvl_mask },
{ "tx_done", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_TX_DONE, &msglvl_unwanted },
+ NETIF_MSG_TX_DONE, &msglvl_mask },
{ "rx_status", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_RX_STATUS, &msglvl_unwanted },
+ NETIF_MSG_RX_STATUS, &msglvl_mask },
{ "pktdata", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_PKTDATA, &msglvl_unwanted },
+ NETIF_MSG_PKTDATA, &msglvl_mask },
{ "hw", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_HW, &msglvl_unwanted },
+ NETIF_MSG_HW, &msglvl_mask },
{ "wol", CMDL_FLAG, &msglvl_wanted, NULL,
- NETIF_MSG_WOL, &msglvl_unwanted },
+ NETIF_MSG_WOL, &msglvl_mask },
};
static long long
@@ -582,6 +584,9 @@ static void parse_generic_cmdline(int argc, char **argp,
if (!strcmp(info[idx].name, argp[i])) {
found = 1;
*changed = 1;
+ if (info[idx].type != CMDL_FLAG &&
+ info[idx].seen_val)
+ *(int *)info[idx].seen_val = 1;
i += 1;
if (i >= argc)
show_usage(1);
@@ -638,13 +643,14 @@ static void parse_generic_cmdline(int argc, char **argp,
}
case CMDL_FLAG: {
u32 *p;
- if (!strcmp(argp[i], "on"))
+ p = info[idx].seen_val;
+ *p |= info[idx].flag_val;
+ if (!strcmp(argp[i], "on")) {
p = info[idx].wanted_val;
- else if (!strcmp(argp[i], "off"))
- p = info[idx].unwanted_val;
- else
+ *p |= info[idx].flag_val;
+ } else if (strcmp(argp[i], "off")) {
show_usage(1);
- *p |= info[idx].flag_val;
+ }
break;
}
case CMDL_STR: {
@@ -1027,7 +1033,7 @@ static void parse_cmdline(int argc, char **argp)
show_usage(1);
if (isdigit((unsigned char)argp[i][0])) {
msglvl_changed = 1;
- msglvl_unwanted = ~0;
+ msglvl_mask = ~0;
msglvl_wanted =
get_uint_range(argp[i], 0,
0xffffffff);
@@ -2243,7 +2249,7 @@ static int do_soffload(int fd, struct ifreq *ifr)
return 90;
}
}
- if (off_flags_wanted || off_flags_unwanted) {
+ if (off_flags_mask) {
changed = 1;
eval.cmd = ETHTOOL_GFLAGS;
eval.data = 0;
@@ -2255,7 +2261,7 @@ static int do_soffload(int fd, struct ifreq *ifr)
}
eval.cmd = ETHTOOL_SFLAGS;
- eval.data = ((eval.data & ~off_flags_unwanted) |
+ eval.data = ((eval.data & ~off_flags_mask) |
off_flags_wanted);
err = ioctl(fd, SIOCETHTOOL, ifr);
@@ -2459,7 +2465,7 @@ static int do_sset(int fd, struct ifreq *ifr)
perror("Cannot get msglvl");
} else {
edata.cmd = ETHTOOL_SMSGLVL;
- edata.data = ((edata.data & ~msglvl_unwanted) |
+ edata.data = ((edata.data & ~msglvl_mask) |
msglvl_wanted);
ifr->ifr_data = (caddr_t)&edata;
err = send_ioctl(fd, ifr);
--
1.7.2.1
--
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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