/*
- * tcp_diag.c Module for monitoring TCP sockets.
+ * inet_diag.c Module for monitoring INET transport protocols sockets.
*
- * Version: $Id: tcp_diag.c,v 1.3 2002/02/01 22:01:04 davem Exp $
+ * Version: $Id: inet_diag.c,v 1.3 2002/02/01 22:01:04 davem Exp $
*
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*
static const struct inet_diag_handler **inet_diag_table;
-struct tcpdiag_entry
-{
+struct inet_diag_entry {
u32 *saddr;
u32 *daddr;
u16 sport;
u16 userlocks;
};
-static struct sock *tcpnl;
+static struct sock *idiagnl;
-#define TCPDIAG_PUT(skb, attrtype, attrlen) \
+#define INET_DIAG_PUT(skb, attrtype, attrlen) \
RTA_DATA(__RTA_PUT(skb, attrtype, attrlen))
-#ifdef CONFIG_IP_TCPDIAG_DCCP
-extern struct inet_hashinfo dccp_hashinfo;
-#endif
-
-static int tcpdiag_fill(struct sk_buff *skb, struct sock *sk,
+static int inet_diag_fill(struct sk_buff *skb, struct sock *sk,
int ext, u32 pid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
{
const struct inet_sock *inet = inet_sk(sk);
const struct inet_connection_sock *icsk = inet_csk(sk);
- struct tcpdiagmsg *r;
+ struct inet_diag_msg *r;
struct nlmsghdr *nlh;
void *info = NULL;
- struct tcpdiag_meminfo *minfo = NULL;
+ struct inet_diag_meminfo *minfo = NULL;
unsigned char *b = skb->tail;
const struct inet_diag_handler *handler;
r = NLMSG_DATA(nlh);
if (sk->sk_state != TCP_TIME_WAIT) {
- if (ext & (1<<(TCPDIAG_MEMINFO-1)))
- minfo = TCPDIAG_PUT(skb, TCPDIAG_MEMINFO, sizeof(*minfo));
- if (ext & (1<<(TCPDIAG_INFO-1)))
- info = TCPDIAG_PUT(skb, TCPDIAG_INFO,
+ if (ext & (1 << (INET_DIAG_MEMINFO - 1)))
+ minfo = INET_DIAG_PUT(skb, INET_DIAG_MEMINFO,
+ sizeof(*minfo));
+ if (ext & (1 << (INET_DIAG_INFO - 1)))
+ info = INET_DIAG_PUT(skb, INET_DIAG_INFO,
handler->idiag_info_size);
- if ((ext & (1 << (TCPDIAG_CONG - 1))) && icsk->icsk_ca_ops) {
+ if ((ext & (1 << (INET_DIAG_CONG - 1))) && icsk->icsk_ca_ops) {
size_t len = strlen(icsk->icsk_ca_ops->name);
- strcpy(TCPDIAG_PUT(skb, TCPDIAG_CONG, len+1),
+ strcpy(INET_DIAG_PUT(skb, INET_DIAG_CONG, len + 1),
icsk->icsk_ca_ops->name);
}
}
- r->tcpdiag_family = sk->sk_family;
- r->tcpdiag_state = sk->sk_state;
- r->tcpdiag_timer = 0;
- r->tcpdiag_retrans = 0;
+ r->idiag_family = sk->sk_family;
+ r->idiag_state = sk->sk_state;
+ r->idiag_timer = 0;
+ r->idiag_retrans = 0;
- r->id.tcpdiag_if = sk->sk_bound_dev_if;
- r->id.tcpdiag_cookie[0] = (u32)(unsigned long)sk;
- r->id.tcpdiag_cookie[1] = (u32)(((unsigned long)sk >> 31) >> 1);
+ r->id.idiag_if = sk->sk_bound_dev_if;
+ r->id.idiag_cookie[0] = (u32)(unsigned long)sk;
+ r->id.idiag_cookie[1] = (u32)(((unsigned long)sk >> 31) >> 1);
- if (r->tcpdiag_state == TCP_TIME_WAIT) {
+ if (r->idiag_state == TCP_TIME_WAIT) {
const struct inet_timewait_sock *tw = inet_twsk(sk);
long tmo = tw->tw_ttd - jiffies;
if (tmo < 0)
tmo = 0;
- r->id.tcpdiag_sport = tw->tw_sport;
- r->id.tcpdiag_dport = tw->tw_dport;
- r->id.tcpdiag_src[0] = tw->tw_rcv_saddr;
- r->id.tcpdiag_dst[0] = tw->tw_daddr;
- r->tcpdiag_state = tw->tw_substate;
- r->tcpdiag_timer = 3;
- r->tcpdiag_expires = (tmo*1000+HZ-1)/HZ;
- r->tcpdiag_rqueue = 0;
- r->tcpdiag_wqueue = 0;
- r->tcpdiag_uid = 0;
- r->tcpdiag_inode = 0;
+ r->id.idiag_sport = tw->tw_sport;
+ r->id.idiag_dport = tw->tw_dport;
+ r->id.idiag_src[0] = tw->tw_rcv_saddr;
+ r->id.idiag_dst[0] = tw->tw_daddr;
+ r->idiag_state = tw->tw_substate;
+ r->idiag_timer = 3;
+ r->idiag_expires = (tmo * 1000 + HZ - 1) / HZ;
+ r->idiag_rqueue = 0;
+ r->idiag_wqueue = 0;
+ r->idiag_uid = 0;
+ r->idiag_inode = 0;
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- if (r->tcpdiag_family == AF_INET6) {
+ if (r->idiag_family == AF_INET6) {
const struct tcp6_timewait_sock *tcp6tw = tcp6_twsk(sk);
- ipv6_addr_copy((struct in6_addr *)r->id.tcpdiag_src,
+ ipv6_addr_copy((struct in6_addr *)r->id.idiag_src,
&tcp6tw->tw_v6_rcv_saddr);
- ipv6_addr_copy((struct in6_addr *)r->id.tcpdiag_dst,
+ ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst,
&tcp6tw->tw_v6_daddr);
}
#endif
return skb->len;
}
- r->id.tcpdiag_sport = inet->sport;
- r->id.tcpdiag_dport = inet->dport;
- r->id.tcpdiag_src[0] = inet->rcv_saddr;
- r->id.tcpdiag_dst[0] = inet->daddr;
+ r->id.idiag_sport = inet->sport;
+ r->id.idiag_dport = inet->dport;
+ r->id.idiag_src[0] = inet->rcv_saddr;
+ r->id.idiag_dst[0] = inet->daddr;
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- if (r->tcpdiag_family == AF_INET6) {
+ if (r->idiag_family == AF_INET6) {
struct ipv6_pinfo *np = inet6_sk(sk);
- ipv6_addr_copy((struct in6_addr *)r->id.tcpdiag_src,
+ ipv6_addr_copy((struct in6_addr *)r->id.idiag_src,
&np->rcv_saddr);
- ipv6_addr_copy((struct in6_addr *)r->id.tcpdiag_dst,
+ ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst,
&np->daddr);
}
#endif
#define EXPIRES_IN_MS(tmo) ((tmo-jiffies)*1000+HZ-1)/HZ
if (icsk->icsk_pending == ICSK_TIME_RETRANS) {
- r->tcpdiag_timer = 1;
- r->tcpdiag_retrans = icsk->icsk_retransmits;
- r->tcpdiag_expires = EXPIRES_IN_MS(icsk->icsk_timeout);
+ r->idiag_timer = 1;
+ r->idiag_retrans = icsk->icsk_retransmits;
+ r->idiag_expires = EXPIRES_IN_MS(icsk->icsk_timeout);
} else if (icsk->icsk_pending == ICSK_TIME_PROBE0) {
- r->tcpdiag_timer = 4;
- r->tcpdiag_retrans = icsk->icsk_probes_out;
- r->tcpdiag_expires = EXPIRES_IN_MS(icsk->icsk_timeout);
+ r->idiag_timer = 4;
+ r->idiag_retrans = icsk->icsk_probes_out;
+ r->idiag_expires = EXPIRES_IN_MS(icsk->icsk_timeout);
} else if (timer_pending(&sk->sk_timer)) {
- r->tcpdiag_timer = 2;
- r->tcpdiag_retrans = icsk->icsk_probes_out;
- r->tcpdiag_expires = EXPIRES_IN_MS(sk->sk_timer.expires);
+ r->idiag_timer = 2;
+ r->idiag_retrans = icsk->icsk_probes_out;
+ r->idiag_expires = EXPIRES_IN_MS(sk->sk_timer.expires);
} else {
- r->tcpdiag_timer = 0;
- r->tcpdiag_expires = 0;
+ r->idiag_timer = 0;
+ r->idiag_expires = 0;
}
#undef EXPIRES_IN_MS
- r->tcpdiag_uid = sock_i_uid(sk);
- r->tcpdiag_inode = sock_i_ino(sk);
+ r->idiag_uid = sock_i_uid(sk);
+ r->idiag_inode = sock_i_ino(sk);
if (minfo) {
- minfo->tcpdiag_rmem = atomic_read(&sk->sk_rmem_alloc);
- minfo->tcpdiag_wmem = sk->sk_wmem_queued;
- minfo->tcpdiag_fmem = sk->sk_forward_alloc;
- minfo->tcpdiag_tmem = atomic_read(&sk->sk_wmem_alloc);
+ minfo->idiag_rmem = atomic_read(&sk->sk_rmem_alloc);
+ minfo->idiag_wmem = sk->sk_wmem_queued;
+ minfo->idiag_fmem = sk->sk_forward_alloc;
+ minfo->idiag_tmem = atomic_read(&sk->sk_wmem_alloc);
}
handler->idiag_get_info(sk, r, info);
return -1;
}
-static int tcpdiag_get_exact(struct sk_buff *in_skb, const struct nlmsghdr *nlh)
+static int inet_diag_get_exact(struct sk_buff *in_skb, const struct nlmsghdr *nlh)
{
int err;
struct sock *sk;
- struct tcpdiagreq *req = NLMSG_DATA(nlh);
+ struct inet_diag_req *req = NLMSG_DATA(nlh);
struct sk_buff *rep;
struct inet_hashinfo *hashinfo;
const struct inet_diag_handler *handler;
BUG_ON(handler == NULL);
hashinfo = handler->idiag_hashinfo;
- if (req->tcpdiag_family == AF_INET) {
- sk = inet_lookup(hashinfo, req->id.tcpdiag_dst[0],
- req->id.tcpdiag_dport, req->id.tcpdiag_src[0],
- req->id.tcpdiag_sport, req->id.tcpdiag_if);
+ if (req->idiag_family == AF_INET) {
+ sk = inet_lookup(hashinfo, req->id.idiag_dst[0],
+ req->id.idiag_dport, req->id.idiag_src[0],
+ req->id.idiag_sport, req->id.idiag_if);
}
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- else if (req->tcpdiag_family == AF_INET6) {
+ else if (req->idiag_family == AF_INET6) {
sk = inet6_lookup(hashinfo,
- (struct in6_addr*)req->id.tcpdiag_dst,
- req->id.tcpdiag_dport,
- (struct in6_addr*)req->id.tcpdiag_src,
- req->id.tcpdiag_sport,
- req->id.tcpdiag_if);
+ (struct in6_addr *)req->id.idiag_dst,
+ req->id.idiag_dport,
+ (struct in6_addr *)req->id.idiag_src,
+ req->id.idiag_sport,
+ req->id.idiag_if);
}
#endif
else {
return -ENOENT;
err = -ESTALE;
- if ((req->id.tcpdiag_cookie[0] != TCPDIAG_NOCOOKIE ||
- req->id.tcpdiag_cookie[1] != TCPDIAG_NOCOOKIE) &&
- ((u32)(unsigned long)sk != req->id.tcpdiag_cookie[0] ||
- (u32)((((unsigned long)sk) >> 31) >> 1) != req->id.tcpdiag_cookie[1]))
+ if ((req->id.idiag_cookie[0] != INET_DIAG_NOCOOKIE ||
+ req->id.idiag_cookie[1] != INET_DIAG_NOCOOKIE) &&
+ ((u32)(unsigned long)sk != req->id.idiag_cookie[0] ||
+ (u32)((((unsigned long)sk) >> 31) >> 1) != req->id.idiag_cookie[1]))
goto out;
err = -ENOMEM;
- rep = alloc_skb(NLMSG_SPACE((sizeof(struct tcpdiagmsg) +
- sizeof(struct tcpdiag_meminfo) +
+ rep = alloc_skb(NLMSG_SPACE((sizeof(struct inet_diag_msg) +
+ sizeof(struct inet_diag_meminfo) +
handler->idiag_info_size + 64)),
GFP_KERNEL);
if (!rep)
goto out;
- if (tcpdiag_fill(rep, sk, req->tcpdiag_ext,
+ if (inet_diag_fill(rep, sk, req->idiag_ext,
NETLINK_CB(in_skb).pid,
nlh->nlmsg_seq, 0, nlh) <= 0)
BUG();
- err = netlink_unicast(tcpnl, rep, NETLINK_CB(in_skb).pid, MSG_DONTWAIT);
+ err = netlink_unicast(idiagnl, rep, NETLINK_CB(in_skb).pid,
+ MSG_DONTWAIT);
if (err > 0)
err = 0;
}
-static int tcpdiag_bc_run(const void *bc, int len,
- const struct tcpdiag_entry *entry)
+static int inet_diag_bc_run(const void *bc, int len,
+ const struct inet_diag_entry *entry)
{
while (len > 0) {
int yes = 1;
- const struct tcpdiag_bc_op *op = bc;
+ const struct inet_diag_bc_op *op = bc;
switch (op->code) {
- case TCPDIAG_BC_NOP:
+ case INET_DIAG_BC_NOP:
break;
- case TCPDIAG_BC_JMP:
+ case INET_DIAG_BC_JMP:
yes = 0;
break;
- case TCPDIAG_BC_S_GE:
+ case INET_DIAG_BC_S_GE:
yes = entry->sport >= op[1].no;
break;
- case TCPDIAG_BC_S_LE:
+ case INET_DIAG_BC_S_LE:
yes = entry->dport <= op[1].no;
break;
- case TCPDIAG_BC_D_GE:
+ case INET_DIAG_BC_D_GE:
yes = entry->dport >= op[1].no;
break;
- case TCPDIAG_BC_D_LE:
+ case INET_DIAG_BC_D_LE:
yes = entry->dport <= op[1].no;
break;
- case TCPDIAG_BC_AUTO:
+ case INET_DIAG_BC_AUTO:
yes = !(entry->userlocks & SOCK_BINDPORT_LOCK);
break;
- case TCPDIAG_BC_S_COND:
- case TCPDIAG_BC_D_COND:
+ case INET_DIAG_BC_S_COND:
+ case INET_DIAG_BC_D_COND:
{
- struct tcpdiag_hostcond *cond = (struct tcpdiag_hostcond*)(op+1);
+ struct inet_diag_hostcond *cond = (struct inet_diag_hostcond*)(op+1);
u32 *addr;
if (cond->port != -1 &&
- cond->port != (op->code == TCPDIAG_BC_S_COND ?
+ cond->port != (op->code == INET_DIAG_BC_S_COND ?
entry->sport : entry->dport)) {
yes = 0;
break;
if (cond->prefix_len == 0)
break;
- if (op->code == TCPDIAG_BC_S_COND)
+ if (op->code == INET_DIAG_BC_S_COND)
addr = entry->saddr;
else
addr = entry->daddr;
static int valid_cc(const void *bc, int len, int cc)
{
while (len >= 0) {
- const struct tcpdiag_bc_op *op = bc;
+ const struct inet_diag_bc_op *op = bc;
if (cc > len)
return 0;
return 0;
}
-static int tcpdiag_bc_audit(const void *bytecode, int bytecode_len)
+static int inet_diag_bc_audit(const void *bytecode, int bytecode_len)
{
const unsigned char *bc = bytecode;
int len = bytecode_len;
while (len > 0) {
- struct tcpdiag_bc_op *op = (struct tcpdiag_bc_op*)bc;
+ struct inet_diag_bc_op *op = (struct inet_diag_bc_op*)bc;
//printk("BC: %d %d %d {%d} / %d\n", op->code, op->yes, op->no, op[1].no, len);
switch (op->code) {
- case TCPDIAG_BC_AUTO:
- case TCPDIAG_BC_S_COND:
- case TCPDIAG_BC_D_COND:
- case TCPDIAG_BC_S_GE:
- case TCPDIAG_BC_S_LE:
- case TCPDIAG_BC_D_GE:
- case TCPDIAG_BC_D_LE:
+ case INET_DIAG_BC_AUTO:
+ case INET_DIAG_BC_S_COND:
+ case INET_DIAG_BC_D_COND:
+ case INET_DIAG_BC_S_GE:
+ case INET_DIAG_BC_S_LE:
+ case INET_DIAG_BC_D_GE:
+ case INET_DIAG_BC_D_LE:
if (op->yes < 4 || op->yes > len+4)
return -EINVAL;
- case TCPDIAG_BC_JMP:
+ case INET_DIAG_BC_JMP:
if (op->no < 4 || op->no > len+4)
return -EINVAL;
if (op->no < len &&
!valid_cc(bytecode, bytecode_len, len-op->no))
return -EINVAL;
break;
- case TCPDIAG_BC_NOP:
+ case INET_DIAG_BC_NOP:
if (op->yes < 4 || op->yes > len+4)
return -EINVAL;
break;
return len == 0 ? 0 : -EINVAL;
}
-static int tcpdiag_dump_sock(struct sk_buff *skb, struct sock *sk,
+static int inet_diag_dump_sock(struct sk_buff *skb, struct sock *sk,
struct netlink_callback *cb)
{
- struct tcpdiagreq *r = NLMSG_DATA(cb->nlh);
+ struct inet_diag_req *r = NLMSG_DATA(cb->nlh);
if (cb->nlh->nlmsg_len > 4 + NLMSG_SPACE(sizeof(*r))) {
- struct tcpdiag_entry entry;
+ struct inet_diag_entry entry;
struct rtattr *bc = (struct rtattr *)(r + 1);
struct inet_sock *inet = inet_sk(sk);
entry.dport = ntohs(inet->dport);
entry.userlocks = sk->sk_userlocks;
- if (!tcpdiag_bc_run(RTA_DATA(bc), RTA_PAYLOAD(bc), &entry))
+ if (!inet_diag_bc_run(RTA_DATA(bc), RTA_PAYLOAD(bc), &entry))
return 0;
}
- return tcpdiag_fill(skb, sk, r->tcpdiag_ext, NETLINK_CB(cb->skb).pid,
+ return inet_diag_fill(skb, sk, r->idiag_ext, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->nlh);
}
-static int tcpdiag_fill_req(struct sk_buff *skb, struct sock *sk,
+static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk,
struct request_sock *req,
u32 pid, u32 seq,
const struct nlmsghdr *unlh)
const struct inet_request_sock *ireq = inet_rsk(req);
struct inet_sock *inet = inet_sk(sk);
unsigned char *b = skb->tail;
- struct tcpdiagmsg *r;
+ struct inet_diag_msg *r;
struct nlmsghdr *nlh;
long tmo;
nlh->nlmsg_flags = NLM_F_MULTI;
r = NLMSG_DATA(nlh);
- r->tcpdiag_family = sk->sk_family;
- r->tcpdiag_state = TCP_SYN_RECV;
- r->tcpdiag_timer = 1;
- r->tcpdiag_retrans = req->retrans;
+ r->idiag_family = sk->sk_family;
+ r->idiag_state = TCP_SYN_RECV;
+ r->idiag_timer = 1;
+ r->idiag_retrans = req->retrans;
- r->id.tcpdiag_if = sk->sk_bound_dev_if;
- r->id.tcpdiag_cookie[0] = (u32)(unsigned long)req;
- r->id.tcpdiag_cookie[1] = (u32)(((unsigned long)req >> 31) >> 1);
+ r->id.idiag_if = sk->sk_bound_dev_if;
+ r->id.idiag_cookie[0] = (u32)(unsigned long)req;
+ r->id.idiag_cookie[1] = (u32)(((unsigned long)req >> 31) >> 1);
tmo = req->expires - jiffies;
if (tmo < 0)
tmo = 0;
- r->id.tcpdiag_sport = inet->sport;
- r->id.tcpdiag_dport = ireq->rmt_port;
- r->id.tcpdiag_src[0] = ireq->loc_addr;
- r->id.tcpdiag_dst[0] = ireq->rmt_addr;
- r->tcpdiag_expires = jiffies_to_msecs(tmo),
- r->tcpdiag_rqueue = 0;
- r->tcpdiag_wqueue = 0;
- r->tcpdiag_uid = sock_i_uid(sk);
- r->tcpdiag_inode = 0;
+ r->id.idiag_sport = inet->sport;
+ r->id.idiag_dport = ireq->rmt_port;
+ r->id.idiag_src[0] = ireq->loc_addr;
+ r->id.idiag_dst[0] = ireq->rmt_addr;
+ r->idiag_expires = jiffies_to_msecs(tmo);
+ r->idiag_rqueue = 0;
+ r->idiag_wqueue = 0;
+ r->idiag_uid = sock_i_uid(sk);
+ r->idiag_inode = 0;
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- if (r->tcpdiag_family == AF_INET6) {
- ipv6_addr_copy((struct in6_addr *)r->id.tcpdiag_src,
+ if (r->idiag_family == AF_INET6) {
+ ipv6_addr_copy((struct in6_addr *)r->id.idiag_src,
&tcp6_rsk(req)->loc_addr);
- ipv6_addr_copy((struct in6_addr *)r->id.tcpdiag_dst,
+ ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst,
&tcp6_rsk(req)->rmt_addr);
}
#endif
return -1;
}
-static int tcpdiag_dump_reqs(struct sk_buff *skb, struct sock *sk,
+static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
struct netlink_callback *cb)
{
- struct tcpdiag_entry entry;
- struct tcpdiagreq *r = NLMSG_DATA(cb->nlh);
+ struct inet_diag_entry entry;
+ struct inet_diag_req *r = NLMSG_DATA(cb->nlh);
struct inet_connection_sock *icsk = inet_csk(sk);
struct listen_sock *lopt;
struct rtattr *bc = NULL;
if (reqnum < s_reqnum)
continue;
- if (r->id.tcpdiag_dport != ireq->rmt_port &&
- r->id.tcpdiag_dport)
+ if (r->id.idiag_dport != ireq->rmt_port &&
+ r->id.idiag_dport)
continue;
if (bc) {
&ireq->rmt_addr;
entry.dport = ntohs(ireq->rmt_port);
- if (!tcpdiag_bc_run(RTA_DATA(bc),
+ if (!inet_diag_bc_run(RTA_DATA(bc),
RTA_PAYLOAD(bc), &entry))
continue;
}
- err = tcpdiag_fill_req(skb, sk, req,
+ err = inet_diag_fill_req(skb, sk, req,
NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, cb->nlh);
if (err < 0) {
return err;
}
-static int tcpdiag_dump(struct sk_buff *skb, struct netlink_callback *cb)
+static int inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
{
int i, num;
int s_i, s_num;
- struct tcpdiagreq *r = NLMSG_DATA(cb->nlh);
+ struct inet_diag_req *r = NLMSG_DATA(cb->nlh);
const struct inet_diag_handler *handler;
struct inet_hashinfo *hashinfo;
s_num = num = cb->args[2];
if (cb->args[0] == 0) {
- if (!(r->tcpdiag_states&(TCPF_LISTEN|TCPF_SYN_RECV)))
+ if (!(r->idiag_states & (TCPF_LISTEN | TCPF_SYN_RECV)))
goto skip_listen_ht;
inet_listen_lock(hashinfo);
continue;
}
- if (r->id.tcpdiag_sport != inet->sport &&
- r->id.tcpdiag_sport)
+ if (r->id.idiag_sport != inet->sport &&
+ r->id.idiag_sport)
goto next_listen;
- if (!(r->tcpdiag_states&TCPF_LISTEN) ||
- r->id.tcpdiag_dport ||
+ if (!(r->idiag_states & TCPF_LISTEN) ||
+ r->id.idiag_dport ||
cb->args[3] > 0)
goto syn_recv;
- if (tcpdiag_dump_sock(skb, sk, cb) < 0) {
+ if (inet_diag_dump_sock(skb, sk, cb) < 0) {
inet_listen_unlock(hashinfo);
goto done;
}
syn_recv:
- if (!(r->tcpdiag_states&TCPF_SYN_RECV))
+ if (!(r->idiag_states & TCPF_SYN_RECV))
goto next_listen;
- if (tcpdiag_dump_reqs(skb, sk, cb) < 0) {
+ if (inet_diag_dump_reqs(skb, sk, cb) < 0) {
inet_listen_unlock(hashinfo);
goto done;
}
s_i = num = s_num = 0;
}
- if (!(r->tcpdiag_states&~(TCPF_LISTEN|TCPF_SYN_RECV)))
+ if (!(r->idiag_states & ~(TCPF_LISTEN | TCPF_SYN_RECV)))
return skb->len;
for (i = s_i; i < hashinfo->ehash_size; i++) {
if (num < s_num)
goto next_normal;
- if (!(r->tcpdiag_states & (1 << sk->sk_state)))
+ if (!(r->idiag_states & (1 << sk->sk_state)))
goto next_normal;
- if (r->id.tcpdiag_sport != inet->sport &&
- r->id.tcpdiag_sport)
+ if (r->id.idiag_sport != inet->sport &&
+ r->id.idiag_sport)
goto next_normal;
- if (r->id.tcpdiag_dport != inet->dport && r->id.tcpdiag_dport)
+ if (r->id.idiag_dport != inet->dport && r->id.idiag_dport)
goto next_normal;
- if (tcpdiag_dump_sock(skb, sk, cb) < 0) {
+ if (inet_diag_dump_sock(skb, sk, cb) < 0) {
read_unlock_bh(&head->lock);
goto done;
}
++num;
}
- if (r->tcpdiag_states&TCPF_TIME_WAIT) {
+ if (r->idiag_states & TCPF_TIME_WAIT) {
sk_for_each(sk, node,
&hashinfo->ehash[i + hashinfo->ehash_size].chain) {
struct inet_sock *inet = inet_sk(sk);
if (num < s_num)
goto next_dying;
- if (r->id.tcpdiag_sport != inet->sport &&
- r->id.tcpdiag_sport)
+ if (r->id.idiag_sport != inet->sport &&
+ r->id.idiag_sport)
goto next_dying;
- if (r->id.tcpdiag_dport != inet->dport &&
- r->id.tcpdiag_dport)
+ if (r->id.idiag_dport != inet->dport &&
+ r->id.idiag_dport)
goto next_dying;
- if (tcpdiag_dump_sock(skb, sk, cb) < 0) {
+ if (inet_diag_dump_sock(skb, sk, cb) < 0) {
read_unlock_bh(&head->lock);
goto done;
}
return skb->len;
}
-static int tcpdiag_dump_done(struct netlink_callback *cb)
+static int inet_diag_dump_done(struct netlink_callback *cb)
{
return 0;
}
static __inline__ int
-tcpdiag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+inet_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
if (!(nlh->nlmsg_flags&NLM_F_REQUEST))
return 0;
if (inet_diag_table[nlh->nlmsg_type] == NULL)
return -ENOENT;
- if (NLMSG_LENGTH(sizeof(struct tcpdiagreq)) > skb->len)
+ if (NLMSG_LENGTH(sizeof(struct inet_diag_req)) > skb->len)
goto err_inval;
if (nlh->nlmsg_flags&NLM_F_DUMP) {
- if (nlh->nlmsg_len > 4 + NLMSG_SPACE(sizeof(struct tcpdiagreq))) {
- struct rtattr *rta = (struct rtattr*)(NLMSG_DATA(nlh) + sizeof(struct tcpdiagreq));
- if (rta->rta_type != TCPDIAG_REQ_BYTECODE ||
+ if (nlh->nlmsg_len >
+ (4 + NLMSG_SPACE(sizeof(struct inet_diag_req)))) {
+ struct rtattr *rta = (void *)(NLMSG_DATA(nlh) +
+ sizeof(struct inet_diag_req));
+ if (rta->rta_type != INET_DIAG_REQ_BYTECODE ||
rta->rta_len < 8 ||
- rta->rta_len > nlh->nlmsg_len - NLMSG_SPACE(sizeof(struct tcpdiagreq)))
+ rta->rta_len >
+ (nlh->nlmsg_len -
+ NLMSG_SPACE(sizeof(struct inet_diag_req))))
goto err_inval;
- if (tcpdiag_bc_audit(RTA_DATA(rta), RTA_PAYLOAD(rta)))
+ if (inet_diag_bc_audit(RTA_DATA(rta), RTA_PAYLOAD(rta)))
goto err_inval;
}
- return netlink_dump_start(tcpnl, skb, nlh,
- tcpdiag_dump,
- tcpdiag_dump_done);
+ return netlink_dump_start(idiagnl, skb, nlh,
+ inet_diag_dump,
+ inet_diag_dump_done);
} else {
- return tcpdiag_get_exact(skb, nlh);
+ return inet_diag_get_exact(skb, nlh);
}
err_inval:
}
-static inline void tcpdiag_rcv_skb(struct sk_buff *skb)
+static inline void inet_diag_rcv_skb(struct sk_buff *skb)
{
int err;
struct nlmsghdr * nlh;
nlh = (struct nlmsghdr *)skb->data;
if (nlh->nlmsg_len < sizeof(*nlh) || skb->len < nlh->nlmsg_len)
return;
- err = tcpdiag_rcv_msg(skb, nlh);
+ err = inet_diag_rcv_msg(skb, nlh);
if (err || nlh->nlmsg_flags & NLM_F_ACK)
netlink_ack(skb, nlh, err);
}
}
-static void tcpdiag_rcv(struct sock *sk, int len)
+static void inet_diag_rcv(struct sock *sk, int len)
{
struct sk_buff *skb;
unsigned int qlen = skb_queue_len(&sk->sk_receive_queue);
while (qlen-- && (skb = skb_dequeue(&sk->sk_receive_queue))) {
- tcpdiag_rcv_skb(skb);
+ inet_diag_rcv_skb(skb);
kfree_skb(skb);
}
}
-static void tcp_diag_get_info(struct sock *sk, struct tcpdiagmsg *r,
+static void tcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
void *_info)
{
const struct tcp_sock *tp = tcp_sk(sk);
struct tcp_info *info = _info;
- r->tcpdiag_rqueue = tp->rcv_nxt - tp->copied_seq;
- r->tcpdiag_wqueue = tp->write_seq - tp->snd_una;
+ r->idiag_rqueue = tp->rcv_nxt - tp->copied_seq;
+ r->idiag_wqueue = tp->write_seq - tp->snd_una;
if (info != NULL)
tcp_get_info(sk, info);
}
}
EXPORT_SYMBOL_GPL(inet_diag_unregister);
-static int __init tcpdiag_init(void)
+static int __init inet_diag_init(void)
{
const int inet_diag_table_size = (INET_DIAG_GETSOCK_MAX *
sizeof(struct inet_diag_handler *));
memset(inet_diag_table, 0, inet_diag_table_size);
- tcpnl = netlink_kernel_create(NETLINK_TCPDIAG, tcpdiag_rcv,
- THIS_MODULE);
- if (tcpnl == NULL)
+ idiagnl = netlink_kernel_create(NETLINK_INET_DIAG, inet_diag_rcv,
+ THIS_MODULE);
+ if (idiagnl == NULL)
goto out_free_table;
err = inet_diag_register(&tcp_diag_handler);
out:
return err;
out_sock_release:
- sock_release(tcpnl->sk_socket);
+ sock_release(idiagnl->sk_socket);
out_free_table:
kfree(inet_diag_table);
goto out;
}
-static void __exit tcpdiag_exit(void)
+static void __exit inet_diag_exit(void)
{
- sock_release(tcpnl->sk_socket);
+ sock_release(idiagnl->sk_socket);
kfree(inet_diag_table);
}
-module_init(tcpdiag_init);
-module_exit(tcpdiag_exit);
+module_init(inet_diag_init);
+module_exit(inet_diag_exit);
MODULE_LICENSE("GPL");
projects / linux-2.6 / commitdiff