#include <linux/module.h>
#include <linux/kfifo.h>
#include <linux/vmalloc.h>
+#include <net/net_namespace.h>
#include "dccp.h"
#include "ccid.h"
static const char procname[] = "dccpprobe";
-struct {
+static struct {
struct kfifo *fifo;
spinlock_t lock;
wait_queue_head_t wait;
- struct timeval tstart;
+ struct timespec tstart;
} dccpw;
static void printl(const char *fmt, ...)
{
va_list args;
int len;
- struct timeval now;
+ struct timespec now;
char tbuf[256];
va_start(args, fmt);
- do_gettimeofday(&now);
+ getnstimeofday(&now);
- now.tv_sec -= dccpw.tstart.tv_sec;
- now.tv_usec -= dccpw.tstart.tv_usec;
- if (now.tv_usec < 0) {
- --now.tv_sec;
- now.tv_usec += 1000000;
- }
+ now = timespec_sub(now, dccpw.tstart);
len = sprintf(tbuf, "%lu.%06lu ",
(unsigned long) now.tv_sec,
- (unsigned long) now.tv_usec);
+ (unsigned long) now.tv_nsec / NSEC_PER_USEC);
len += vscnprintf(tbuf+len, sizeof(tbuf)-len, fmt, args);
va_end(args);
static int jdccp_sendmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t size)
{
- const struct dccp_minisock *dmsk = dccp_msk(sk);
const struct inet_sock *inet = inet_sk(sk);
- const struct ccid3_hc_tx_sock *hctx;
+ struct ccid3_hc_tx_sock *hctx = NULL;
- if (dmsk->dccpms_tx_ccid == DCCPC_CCID3)
+ if (ccid_get_current_tx_ccid(dccp_sk(sk)) == DCCPC_CCID3)
hctx = ccid3_hc_tx_sk(sk);
- else
- hctx = NULL;
if (port == 0 || ntohs(inet->dport) == port ||
ntohs(inet->sport) == port) {
if (hctx)
- printl("%d.%d.%d.%d:%u %d.%d.%d.%d:%u %d %d %d %d %d\n",
- NIPQUAD(inet->saddr), ntohs(inet->sport),
- NIPQUAD(inet->daddr), ntohs(inet->dport), size,
- hctx->ccid3hctx_s, hctx->ccid3hctx_rtt,
- hctx->ccid3hctx_p, hctx->ccid3hctx_t_ipi);
+ printl("%pI4:%u %pI4:%u %d %d %d %d %u "
+ "%llu %llu %d\n",
+ &inet->saddr, ntohs(inet->sport),
+ &inet->daddr, ntohs(inet->dport), size,
+ hctx->ccid3hctx_s, hctx->ccid3hctx_rtt,
+ hctx->ccid3hctx_p, hctx->ccid3hctx_x_calc,
+ hctx->ccid3hctx_x_recv >> 6,
+ hctx->ccid3hctx_x >> 6, hctx->ccid3hctx_t_ipi);
else
- printl("%d.%d.%d.%d:%u %d.%d.%d.%d:%u %d\n",
- NIPQUAD(inet->saddr), ntohs(inet->sport),
- NIPQUAD(inet->daddr), ntohs(inet->dport), size);
+ printl("%pI4:%u %pI4:%u %d\n",
+ &inet->saddr, ntohs(inet->sport),
+ &inet->daddr, ntohs(inet->dport), size);
}
jprobe_return();
.kp = {
.symbol_name = "dccp_sendmsg",
},
- .entry = JPROBE_ENTRY(jdccp_sendmsg),
+ .entry = jdccp_sendmsg,
};
static int dccpprobe_open(struct inode *inode, struct file *file)
{
kfifo_reset(dccpw.fifo);
- do_gettimeofday(&dccpw.tstart);
+ getnstimeofday(&dccpw.tstart);
return 0;
}
int error = 0, cnt = 0;
unsigned char *tbuf;
- if (!buf || len < 0)
+ if (!buf)
return -EINVAL;
if (len == 0)
goto out_free;
cnt = kfifo_get(dccpw.fifo, tbuf, len);
- error = copy_to_user(buf, tbuf, cnt);
+ error = copy_to_user(buf, tbuf, cnt) ? -EFAULT : 0;
out_free:
vfree(tbuf);
if (IS_ERR(dccpw.fifo))
return PTR_ERR(dccpw.fifo);
- if (!proc_net_fops_create(procname, S_IRUSR, &dccpprobe_fops))
+ if (!proc_net_fops_create(&init_net, procname, S_IRUSR, &dccpprobe_fops))
goto err0;
ret = register_jprobe(&dccp_send_probe);
pr_info("DCCP watch registered (port=%d)\n", port);
return 0;
err1:
- proc_net_remove(procname);
+ proc_net_remove(&init_net, procname);
err0:
kfifo_free(dccpw.fifo);
return ret;
static __exit void dccpprobe_exit(void)
{
kfifo_free(dccpw.fifo);
- proc_net_remove(procname);
+ proc_net_remove(&init_net, procname);
unregister_jprobe(&dccp_send_probe);
}