本文整理汇总了C++中proc_dostring函数的典型用法代码示例。如果您正苦于以下问题：C++ proc_dostring函数的具体用法？C++ proc_dostring怎么用？C++ proc_dostring使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了proc_dostring函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: schar_read_proc_2
static int schar_read_proc_2(ctl_table *ctl, int write, struct file *file,
void *buffer, size_t *lenp, loff_t *ppos)
{
int len = 0;
/* someone is writing data to us */
/* v2.6remove
if (write) {
char *tmp = (char *) get_free_page(GFP_KERNEL);
// MSG("proc: someone wrote %u bytes\n", (unsigned)*lenp);
if (tmp) {
free_page((unsigned long)tmp);
file->f_pos += *lenp;
}
return 0;
}
v2.6remove */
len += sprintf(schar_proc_string_2, "GIGABIT DRIVER ETH2: mm \n\n");
len += sprintf(schar_proc_string_2+len, " RECEIVE: \n");
len += sprintf(schar_proc_string_2+len, " recieve\t\t%ld packets\n",proc_rpackets_2);
len += sprintf(schar_proc_string_2+len, " receive \t\t\t%04d%09ld bytes\n",proc_rbytesH_2,proc_rbytesL_2);
len += sprintf(schar_proc_string_2+len, " memory \t\t\t%09ld bytes\n",(BIGPHYS_PAGES_2*PAGE_SIZE));
len += sprintf(schar_proc_string_2+len, " rate \t\t\t%6ld KBits/s \n",proc_rate_2/1000);
len += sprintf(schar_proc_string_2+len, " loop %d count %ld\n\n",ring_loop_2,ring_pnt_2);
len += sprintf(schar_proc_string_2+len, " TRANSMIT: \n");
len += sprintf(schar_proc_string_2+len, " transmit\t\t%d packets \n",proc_tpackets_2);
len += sprintf(schar_proc_string_2+len, " transmit \t\t\t%d%08ld bytes\n\n",proc_tbytesH_2,proc_tbytesL_2);
len += sprintf(schar_proc_string_2+len, " ERROR STATISTICS: \n");
len += sprintf(schar_proc_string_2+len, " missing packets \t\t%ld\n",proc_pmissing_2);
*lenp = len;
return proc_dostring(ctl, write, file, buffer, lenp, ppos);
}
开发者ID:andrewpeck，项目名称:emu，代码行数:32，代码来源:eth_hook_2.c
示例2: schar_read_proc
static int schar_read_proc(ctl_table *ctl, int write, struct file *file,
void *buffer, size_t *lenp, loff_t *ppos)
{
int len = 0;
// MSG("proc: %s\n", write ? "write" : "read");
/* someone is writing data to us */
/* v2.6remove
if (write) {
char *tmp = (char *) get_free_page(GFP_KERNEL);
// MSG("proc: someone wrote %u bytes\n", (unsigned)*lenp);
if (tmp) {
free_page((unsigned long)tmp);
file->f_pos += *lenp;
}
return 0;
}
v2.6remove */
len += sprintf(schar_proc_string, "GIGABIT DRIVER SIMPLE JTAG\n\n");
len += sprintf(schar_proc_string+len, " LEFT TO READ: \n");
len += sprintf(schar_proc_string+len," pack_left\t\t%d packets\n",pack_left);
len += sprintf(schar_proc_string+len, " RECEIVE: \n");
len += sprintf(schar_proc_string+len, " recieve\t\t%ld packets\n",proc_rpackets);
len += sprintf(schar_proc_string+len, " receive \t\t\t%02d%09ld bytes\n",proc_rbytesH,proc_rbytesL);
len += sprintf(schar_proc_string+len, " memory \t\t\t%09d bytes\n",MMT_BUF_SIZE);
len += sprintf(schar_proc_string+len, " TRANSMIT: \n");
len += sprintf(schar_proc_string+len, " transmit\t\t%d packets \n",proc_tpackets);
len += sprintf(schar_proc_string+len, " transmit \t\t\t%02d%09ld bytes\n\n",proc_tbytesH,proc_tbytesL);
*lenp = len;
return proc_dostring(ctl, write, file, buffer, lenp, ppos);
}
开发者ID:khotilov，项目名称:TAMUDrivers，代码行数:34，代码来源:eth_hook.c
示例3: proc_tcp_fastopen_key
static int proc_tcp_fastopen_key(struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp,
loff_t *ppos)
{
struct ctl_table tbl = { .maxlen = (TCP_FASTOPEN_KEY_LENGTH * 2 + 10) };
struct tcp_fastopen_context *ctxt;
int ret;
u32 user_key[4]; /* 16 bytes, matching TCP_FASTOPEN_KEY_LENGTH */
tbl.data = kmalloc(tbl.maxlen, GFP_KERNEL);
if (!tbl.data)
return -ENOMEM;
rcu_read_lock();
ctxt = rcu_dereference(tcp_fastopen_ctx);
if (ctxt)
memcpy(user_key, ctxt->key, TCP_FASTOPEN_KEY_LENGTH);
else
memset(user_key, 0, sizeof(user_key));
rcu_read_unlock();
snprintf(tbl.data, tbl.maxlen, "%08x-%08x-%08x-%08x",
user_key[0], user_key[1], user_key[2], user_key[3]);
ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
if (write && ret == 0) {
if (sscanf(tbl.data, "%x-%x-%x-%x", user_key, user_key + 1,
user_key + 2, user_key + 3) != 4) {
ret = -EINVAL;
goto bad_key;
}
/* Generate a dummy secret but don't publish it. This
* is needed so we don't regenerate a new key on the
* first invocation of tcp_fastopen_cookie_gen
*/
tcp_fastopen_init_key_once(false);
tcp_fastopen_reset_cipher(user_key, TCP_FASTOPEN_KEY_LENGTH);
}
bad_key:
pr_debug("proc FO key set 0x%x-%x-%x-%x <- 0x%s: %u\n",
user_key[0], user_key[1], user_key[2], user_key[3],
(char *)tbl.data, ret);
kfree(tbl.data);
return ret;
}
static struct ctl_table ipv4_table[] = {
{
.procname = "tcp_timestamps",
.data = &sysctl_tcp_timestamps,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec
},
{
.procname = "tcp_window_scaling",
开发者ID:19Dan01，项目名称:linux，代码行数:57，代码来源:sysctl_net_ipv4.c
示例4: t1_proc_dostring
// TODO: functions are almost the same, should abstract them to wrapper with proc_handler and data printer parameters
static int t1_proc_dostring(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) {
int result;
LOG(LC_PROC, 0, "t1: gona read %s from procfs entry, old value is: %s\n", table->procname, (char*)table->data);
result = proc_dostring(table, write, buffer, lenp, ppos);
LOG(LC_PROC, 0, "t1: read %s from procfs, new value is: %s\n", table->procname, (char*)table->data);
return result;
}
开发者ID:eddyz87，项目名称:kernel-dev-exercises，代码行数:10，代码来源:procfs.c
示例5: proc_peer_state
/* /proc/sys entry point for injecting up/down nid event
* <up|down> <nid>
*/
static int
proc_peer_state(struct ctl_table *table, int write, void __user *buffer,
size_t *lenp, loff_t *ppos)
{
int rc;
int nid;
int node_down;
char command[10];
ENTRY;
rc = proc_dostring(table, write, buffer, lenp, ppos);
if (!write) {
/* read */
RETURN(rc);
}
if (kgnilnd_data.kgn_init != GNILND_INIT_ALL) {
rc = -EINVAL;
RETURN(rc);
}
/* convert to nid, up/down values */
rc = sscanf(kgnilnd_sysctl.ksd_peer_state, "%s %d", command, &nid);
CDEBUG(D_INFO, "command %s, nid %d\n", command, nid);
if (rc != 2) {
CDEBUG(D_ERROR, "invalid parameter\n");
RETURN(rc);
} else {
switch (command[0]) {
case 'd': /* down */
node_down = 1;
CDEBUG(D_INFO, "take node %d down\n", nid);
break;
case 'u': /* up */
node_down = 0;
CDEBUG(D_INFO, "bring node %d up\n", nid);
break;
default:
CDEBUG(D_ERROR, "invalid command %s\n", command);
RETURN(-EINVAL);
}
}
CDEBUG(D_INFO, "proc_peer_state: reporting node_down %d, nid %d\n",
node_down, nid);
rc = kgnilnd_report_node_state(nid, node_down);
if (rc) {
rc = -EINVAL;
}
RETURN(rc);
}
开发者ID:EMSL-MSC，项目名称:lustre-release，代码行数:58，代码来源:gnilnd_sysctl.c
示例6: nf_log_proc_dostring
static int nf_log_proc_dostring(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
const struct nf_logger *logger;
char buf[NFLOGGER_NAME_LEN];
int r = 0;
int tindex = (unsigned long)table->extra1;
struct net *net = current->nsproxy->net_ns;
if (write) {
struct ctl_table tmp = *table;
tmp.data = buf;
r = proc_dostring(&tmp, write, buffer, lenp, ppos);
if (r)
return r;
if (!strcmp(buf, "NONE")) {
nf_log_unbind_pf(net, tindex);
return 0;
}
mutex_lock(&nf_log_mutex);
logger = __find_logger(tindex, buf);
if (logger == NULL) {
mutex_unlock(&nf_log_mutex);
return -ENOENT;
}
rcu_assign_pointer(net->nf.nf_loggers[tindex], logger);
mutex_unlock(&nf_log_mutex);
} else {
mutex_lock(&nf_log_mutex);
logger = nft_log_dereference(net->nf.nf_loggers[tindex]);
if (!logger)
table->data = "NONE";
else
table->data = logger->name;
r = proc_dostring(table, write, buffer, lenp, ppos);
mutex_unlock(&nf_log_mutex);
}
return r;
}
开发者ID:AK101111，项目名称:linux，代码行数:42，代码来源:nf_log.c
示例7: proc_do_uts_string
/*
* Special case of dostring for the UTS structure. This has locks
* to observe. Should this be in kernel/sys.c ????
*/
static int proc_do_uts_string(ctl_table *table, int write, struct file *filp,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table uts_table;
int r;
memcpy(&uts_table, table, sizeof(uts_table));
uts_table.data = get_uts(table, write);
r = proc_dostring(&uts_table,write,filp,buffer,lenp, ppos);
put_uts(table, write, uts_table.data);
return r;
}
开发者ID:LouZiffer，项目名称:m900_kernel_cupcake-SDX，代码行数:15，代码来源:utsname_sysctl.c
示例8: proc_do_rss_key
static int proc_do_rss_key(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table fake_table;
char buf[NETDEV_RSS_KEY_LEN * 3];
snprintf(buf, sizeof(buf), "%*phC", NETDEV_RSS_KEY_LEN, netdev_rss_key);
fake_table.data = buf;
fake_table.maxlen = sizeof(buf);
return proc_dostring(&fake_table, write, buffer, lenp, ppos);
}
开发者ID:513855417，项目名称:linux，代码行数:11，代码来源:sysctl_net_core.c
示例9: ipv4_ping_group_range
/* Validate changes from /proc interface. */
static int ipv4_ping_group_range(ctl_table *table, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
struct user_namespace *user_ns = current_user_ns();
int ret;
gid_t urange[2];
kgid_t low, high;
ctl_table tmp = {
.data = &urange,
.maxlen = sizeof(urange),
.mode = table->mode,
.extra1 = &ip_ping_group_range_min,
.extra2 = &ip_ping_group_range_max,
};
inet_get_ping_group_range_table(table, &low, &high);
urange[0] = from_kgid_munged(user_ns, low);
urange[1] = from_kgid_munged(user_ns, high);
ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
if (write && ret == 0) {
low = make_kgid(user_ns, urange[0]);
high = make_kgid(user_ns, urange[1]);
if (!gid_valid(low) || !gid_valid(high) ||
(urange[1] < urange[0]) || gid_lt(high, low)) {
low = make_kgid(&init_user_ns, 1);
high = make_kgid(&init_user_ns, 0);
}
set_ping_group_range(table, low, high);
}
return ret;
}
static int proc_tcp_congestion_control(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
char val[TCP_CA_NAME_MAX];
ctl_table tbl = {
.data = val,
.maxlen = TCP_CA_NAME_MAX,
};
int ret;
tcp_get_default_congestion_control(val);
ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
if (write && ret == 0)
ret = tcp_set_default_congestion_control(val);
return ret;
}
开发者ID:bjayesh，项目名称:chandra，代码行数:53，代码来源:sysctl_net_ipv4.c
示例10: proc_dolasatstring
/* And the same for proc */
int proc_dolasatstring(ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
int r;
r = proc_dostring(table, write, buffer, lenp, ppos);
if ((!write) || r)
return r;
lasat_write_eeprom_info();
return 0;
}
开发者ID:Aircell，项目名称:asp-kernel，代码行数:14，代码来源:sysctl.c
示例11: proc_dolasatstring
/* And the same for proc */
int proc_dolasatstring(ctl_table *table, int write, struct file *filp,
void *buffer, size_t *lenp, loff_t *ppos)
{
int r;
mutex_lock(&lasat_info_mutex);
r = proc_dostring(table, write, filp, buffer, lenp, ppos);
if ( (!write) || r) {
mutex_unlock(&lasat_info_mutex);
return r;
}
lasat_write_eeprom_info();
mutex_unlock(&lasat_info_mutex);
return 0;
}
开发者ID:b3rnik，项目名称:dsl-n55u-bender，代码行数:15，代码来源:sysctl.c
示例12: do_devname
static int do_devname(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
ret = proc_dostring(table, write, buffer, lenp, ppos);
if (ret == 0 && write) {
struct ias_value *val;
val = irias_new_string_value(sysctl_devname);
if (val)
irias_object_change_attribute("Device", "DeviceName", val);
}
return ret;
}
开发者ID:020gzh，项目名称:linux，代码行数:15，代码来源:irsysctl.c
示例13: proc_do_uts_string
/*
* Special case of dostring for the UTS structure. This has locks
* to observe. Should this be in kernel/sys.c ????
*/
static int proc_do_uts_string(ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table uts_table;
int r;
memcpy(&uts_table, table, sizeof(uts_table));
uts_table.data = get_uts(table, write);
r = proc_dostring(&uts_table,write,buffer,lenp, ppos);
put_uts(table, write, uts_table.data);
if (write)
proc_sys_poll_notify(table->poll);
return r;
}
开发者ID:badwtg1111，项目名称:linux-2.6，代码行数:19，代码来源:utsname_sysctl.c
示例14: do_devname
static int do_devname(ctl_table *table, int write, struct file *filp,
void *buffer, size_t *lenp)
{
int ret;
ret = proc_dostring(table, write, filp, buffer, lenp);
if (ret == 0 && write) {
struct ias_value *val;
val = irias_new_string_value(sysctl_devname);
if (val)
irias_object_change_attribute("Device", "DeviceName", val);
}
return ret;
}
开发者ID:fgeraci，项目名称:cs518-sched，代码行数:15，代码来源:irsysctl.c
示例15: proc_tcp_available_congestion_control
static int proc_tcp_available_congestion_control(struct ctl_table *ctl,
int write,
void __user *buffer, size_t *lenp,
loff_t *ppos)
{
struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX, };
int ret;
tbl.data = kmalloc(tbl.maxlen, GFP_USER);
if (!tbl.data)
return -ENOMEM;
tcp_get_available_congestion_control(tbl.data, TCP_CA_BUF_MAX);
ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
kfree(tbl.data);
return ret;
}
开发者ID:Cool-Joe，项目名称:imx23-audio，代码行数:16，代码来源:sysctl_net_ipv4.c
示例16: proc_sctp_do_hmac_alg
static int proc_sctp_do_hmac_alg(ctl_table *ctl,
int write,
void __user *buffer, size_t *lenp,
loff_t *ppos)
{
struct net *net = current->nsproxy->net_ns;
char tmp[8];
ctl_table tbl;
int ret;
int changed = 0;
char *none = "none";
memset(&tbl, 0, sizeof(struct ctl_table));
if (write) {
tbl.data = tmp;
tbl.maxlen = 8;
} else {
tbl.data = net->sctp.sctp_hmac_alg ? : none;
tbl.maxlen = strlen(tbl.data);
}
ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
if (write) {
#ifdef CONFIG_CRYPTO_MD5
if (!strncmp(tmp, "md5", 3)) {
net->sctp.sctp_hmac_alg = "md5";
changed = 1;
}
#endif
#ifdef CONFIG_CRYPTO_SHA1
if (!strncmp(tmp, "sha1", 4)) {
net->sctp.sctp_hmac_alg = "sha1";
changed = 1;
}
#endif
if (!strncmp(tmp, "none", 4)) {
net->sctp.sctp_hmac_alg = NULL;
changed = 1;
}
if (!changed)
ret = -EINVAL;
}
return ret;
}
开发者ID:Forzaferrarileo，项目名称:linux，代码行数:47，代码来源:sysctl.c
示例17: proc_tcp_congestion_control
static int proc_tcp_congestion_control(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
char val[TCP_CA_NAME_MAX];
ctl_table tbl = {
.data = val,
.maxlen = TCP_CA_NAME_MAX,
};
int ret;
tcp_get_default_congestion_control(val);
ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
if (write && ret == 0)
ret = tcp_set_default_congestion_control(val);
return ret;
}
开发者ID:dcd，项目名称:oh2kernel，代码行数:17，代码来源:sysctl_net_ipv4.c
示例18: set_default_qdisc
static int set_default_qdisc(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
char id[IFNAMSIZ];
struct ctl_table tbl = {
.data = id,
.maxlen = IFNAMSIZ,
};
int ret;
qdisc_get_default(id, IFNAMSIZ);
ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
if (write && ret == 0)
ret = qdisc_set_default(id);
return ret;
}
开发者ID:513855417，项目名称:linux，代码行数:17，代码来源:sysctl_net_core.c
示例19: ipv4_local_port_range
/* Validate changes from /proc interface. */
static int ipv4_local_port_range(ctl_table *table, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
int ret;
int range[2];
ctl_table tmp = {
.data = &range,
.maxlen = sizeof(range),
.mode = table->mode,
.extra1 = &ip_local_port_range_min,
.extra2 = &ip_local_port_range_max,
};
inet_get_local_port_range(range, range + 1);
ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
if (write && ret == 0) {
if (range[1] < range[0])
ret = -EINVAL;
else
set_local_port_range(range);
}
return ret;
}
static int proc_tcp_congestion_control(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
char val[TCP_CA_NAME_MAX];
ctl_table tbl = {
.data = val,
.maxlen = TCP_CA_NAME_MAX,
};
int ret;
tcp_get_default_congestion_control(val);
ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
if (write && ret == 0)
ret = tcp_set_default_congestion_control(val);
return ret;
}
开发者ID:aniltolinux，项目名称:zte-turies-35，代码行数:45，代码来源:sysctl_net_ipv4.c
示例20: utsmod_proc_do_string
static int utsmod_proc_do_string(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) {
struct ctl_table utsmod_table;
int r;
if (write) {
// init_uts_ns is read only
if (current->nsproxy->uts_ns == &init_uts_ns)
return -EPERM;
// require CAP_SYS_ADMIN
if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
return -EPERM;
}
// update current utsns
memcpy(&utsmod_table, table, sizeof(utsmod_table));
utsmod_table.data = utsmod_get_uts(table, write);
r = proc_dostring(&utsmod_table, write, buffer, lenp, ppos);
utsmod_put_uts(table, write, utsmod_table.data);
return r;
}
开发者ID:quark-zju，项目名称:mod_utsmod，代码行数:22，代码来源:utsmod.c
注：本文中的proc_dostring函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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