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-rw-r--r--net/llc/af_llc.c19
-rw-r--r--net/llc/llc_c_ac.c49
-rw-r--r--net/llc/llc_c_ev.c8
-rw-r--r--net/llc/llc_conn.c26
-rw-r--r--net/llc/llc_core.c9
-rw-r--r--net/llc/llc_input.c12
-rw-r--r--net/llc/llc_pdu.c2
-rw-r--r--net/llc/llc_s_ac.c9
-rw-r--r--net/llc/llc_sap.c27
-rw-r--r--net/llc/llc_station.c19
10 files changed, 108 insertions, 72 deletions
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 46cf962f7f88..97101dcde4c0 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -155,6 +155,9 @@ static int llc_ui_create(struct net *net, struct socket *sock, int protocol)
struct sock *sk;
int rc = -ESOCKTNOSUPPORT;
+ if (!capable(CAP_NET_RAW))
+ return -EPERM;
+
if (net != &init_net)
return -EAFNOSUPPORT;
@@ -185,7 +188,7 @@ static int llc_ui_release(struct socket *sock)
sock_hold(sk);
lock_sock(sk);
llc = llc_sk(sk);
- dprintk("%s: closing local(%02X) remote(%02X)\n", __FUNCTION__,
+ dprintk("%s: closing local(%02X) remote(%02X)\n", __func__,
llc->laddr.lsap, llc->daddr.lsap);
if (!llc_send_disc(sk))
llc_ui_wait_for_disc(sk, sk->sk_rcvtimeo);
@@ -295,7 +298,7 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
struct llc_sap *sap;
int rc = -EINVAL;
- dprintk("%s: binding %02X\n", __FUNCTION__, addr->sllc_sap);
+ dprintk("%s: binding %02X\n", __func__, addr->sllc_sap);
if (unlikely(!sock_flag(sk, SOCK_ZAPPED) || addrlen != sizeof(*addr)))
goto out;
rc = -EAFNOSUPPORT;
@@ -432,7 +435,7 @@ static int llc_ui_connect(struct socket *sock, struct sockaddr *uaddr,
rc = llc_establish_connection(sk, llc->dev->dev_addr,
addr->sllc_mac, addr->sllc_sap);
if (rc) {
- dprintk("%s: llc_ui_send_conn failed :-(\n", __FUNCTION__);
+ dprintk("%s: llc_ui_send_conn failed :-(\n", __func__);
sock->state = SS_UNCONNECTED;
sk->sk_state = TCP_CLOSE;
goto out;
@@ -604,7 +607,7 @@ static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags)
struct sk_buff *skb;
int rc = -EOPNOTSUPP;
- dprintk("%s: accepting on %02X\n", __FUNCTION__,
+ dprintk("%s: accepting on %02X\n", __func__,
llc_sk(sk)->laddr.lsap);
lock_sock(sk);
if (unlikely(sk->sk_type != SOCK_STREAM))
@@ -619,7 +622,7 @@ static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags)
if (rc)
goto out;
}
- dprintk("%s: got a new connection on %02X\n", __FUNCTION__,
+ dprintk("%s: got a new connection on %02X\n", __func__,
llc_sk(sk)->laddr.lsap);
skb = skb_dequeue(&sk->sk_receive_queue);
rc = -EINVAL;
@@ -640,7 +643,7 @@ static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags)
/* put original socket back into a clean listen state. */
sk->sk_state = TCP_LISTEN;
sk->sk_ack_backlog--;
- dprintk("%s: ok success on %02X, client on %02X\n", __FUNCTION__,
+ dprintk("%s: ok success on %02X, client on %02X\n", __func__,
llc_sk(sk)->addr.sllc_sap, newllc->daddr.lsap);
frees:
kfree_skb(skb);
@@ -833,7 +836,7 @@ static int llc_ui_sendmsg(struct kiocb *iocb, struct socket *sock,
size_t size = 0;
int rc = -EINVAL, copied = 0, hdrlen;
- dprintk("%s: sending from %02X to %02X\n", __FUNCTION__,
+ dprintk("%s: sending from %02X to %02X\n", __func__,
llc->laddr.lsap, llc->daddr.lsap);
lock_sock(sk);
if (addr) {
@@ -891,7 +894,7 @@ out:
kfree_skb(skb);
release:
dprintk("%s: failed sending from %02X to %02X: %d\n",
- __FUNCTION__, llc->laddr.lsap, llc->daddr.lsap, rc);
+ __func__, llc->laddr.lsap, llc->daddr.lsap, rc);
}
release_sock(sk);
return rc ? : copied;
diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c
index 860140caa6e0..019c780512e8 100644
--- a/net/llc/llc_c_ac.c
+++ b/net/llc/llc_c_ac.c
@@ -198,7 +198,7 @@ int llc_conn_ac_send_disc_cmd_p_set_x(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -223,7 +223,7 @@ int llc_conn_ac_send_dm_rsp_f_set_p(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -249,7 +249,7 @@ int llc_conn_ac_send_dm_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -282,7 +282,8 @@ int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock *sk, struct sk_buff *skb)
llc_pdu_decode_pf_bit(skb, &f_bit);
else
f_bit = 0;
- nskb = llc_alloc_frame(sk, llc->dev);
+ nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U,
+ sizeof(struct llc_frmr_info));
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -306,7 +307,8 @@ int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U,
+ sizeof(struct llc_frmr_info));
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -336,7 +338,8 @@ int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock *sk, struct sk_buff *skb)
struct llc_sock *llc = llc_sk(sk);
llc_pdu_decode_pf_bit(skb, &f_bit);
- nskb = llc_alloc_frame(sk, llc->dev);
+ nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U,
+ sizeof(struct llc_frmr_info));
if (nskb) {
struct llc_sap *sap = llc->sap;
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
@@ -424,7 +427,7 @@ int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock *sk,
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -459,7 +462,7 @@ int llc_conn_ac_send_rej_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -483,7 +486,7 @@ int llc_conn_ac_send_rej_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -507,7 +510,7 @@ int llc_conn_ac_send_rej_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -531,7 +534,7 @@ int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -555,7 +558,7 @@ int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -579,7 +582,7 @@ int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -615,7 +618,7 @@ int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -639,7 +642,7 @@ int llc_conn_ac_send_rr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -663,7 +666,7 @@ int llc_conn_ac_send_rr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -688,7 +691,7 @@ int llc_conn_ac_send_ack_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -712,7 +715,7 @@ int llc_conn_ac_send_rr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -736,7 +739,7 @@ int llc_conn_ac_send_ack_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -770,7 +773,7 @@ int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -799,7 +802,7 @@ int llc_conn_ac_send_ua_rsp_f_set_p(struct sock *sk, struct sk_buff *skb)
u8 f_bit;
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
llc_pdu_decode_pf_bit(skb, &f_bit);
if (nskb) {
@@ -956,7 +959,7 @@ static int llc_conn_ac_send_rr_rsp_f_set_ackpf(struct sock *sk,
{
int rc = -ENOBUFS;
struct llc_sock *llc = llc_sk(sk);
- struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
if (nskb) {
struct llc_sap *sap = llc->sap;
@@ -1427,7 +1430,7 @@ static void llc_process_tmr_ev(struct sock *sk, struct sk_buff *skb)
{
if (llc_sk(sk)->state == LLC_CONN_OUT_OF_SVC) {
printk(KERN_WARNING "%s: timer called on closed connection\n",
- __FUNCTION__);
+ __func__);
kfree_skb(skb);
} else {
if (!sock_owned_by_user(sk))
diff --git a/net/llc/llc_c_ev.c b/net/llc/llc_c_ev.c
index c5deda246614..523fdd1cf781 100644
--- a/net/llc/llc_c_ev.c
+++ b/net/llc/llc_c_ev.c
@@ -228,7 +228,7 @@ int llc_conn_ev_rx_i_cmd_pbit_set_x_inval_ns(struct sock *sk,
llc_util_ns_inside_rx_window(ns, vr, llc_sk(sk)->rw) ? 0 : 1;
if (!rc)
dprintk("%s: matched, state=%d, ns=%d, vr=%d\n",
- __FUNCTION__, llc_sk(sk)->state, ns, vr);
+ __func__, llc_sk(sk)->state, ns, vr);
return rc;
}
@@ -306,7 +306,7 @@ int llc_conn_ev_rx_i_rsp_fbit_set_x_inval_ns(struct sock *sk,
llc_util_ns_inside_rx_window(ns, vr, llc_sk(sk)->rw) ? 0 : 1;
if (!rc)
dprintk("%s: matched, state=%d, ns=%d, vr=%d\n",
- __FUNCTION__, llc_sk(sk)->state, ns, vr);
+ __func__, llc_sk(sk)->state, ns, vr);
return rc;
}
@@ -511,7 +511,7 @@ int llc_conn_ev_rx_zzz_cmd_pbit_set_x_inval_nr(struct sock *sk,
(LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu)) &&
nr != vs && llc_util_nr_inside_tx_window(sk, nr)) {
dprintk("%s: matched, state=%d, vs=%d, nr=%d\n",
- __FUNCTION__, llc_sk(sk)->state, vs, nr);
+ __func__, llc_sk(sk)->state, vs, nr);
rc = 0;
}
return rc;
@@ -530,7 +530,7 @@ int llc_conn_ev_rx_zzz_rsp_fbit_set_x_inval_nr(struct sock *sk,
nr != vs && llc_util_nr_inside_tx_window(sk, nr)) {
rc = 0;
dprintk("%s: matched, state=%d, vs=%d, nr=%d\n",
- __FUNCTION__, llc_sk(sk)->state, vs, nr);
+ __func__, llc_sk(sk)->state, vs, nr);
}
return rc;
}
diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c
index 441bc18f996d..5c6d89c6d51d 100644
--- a/net/llc/llc_conn.c
+++ b/net/llc/llc_conn.c
@@ -73,7 +73,7 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb)
*/
rc = llc_conn_service(skb->sk, skb);
if (unlikely(rc != 0)) {
- printk(KERN_ERR "%s: llc_conn_service failed\n", __FUNCTION__);
+ printk(KERN_ERR "%s: llc_conn_service failed\n", __func__);
goto out_kfree_skb;
}
@@ -99,7 +99,7 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb)
* shouldn't happen
*/
printk(KERN_ERR "%s: sock_queue_rcv_skb failed!\n",
- __FUNCTION__);
+ __func__);
kfree_skb(skb);
}
break;
@@ -132,13 +132,13 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb)
* FIXME:
* RESET is not being notified to upper layers for now
*/
- printk(KERN_INFO "%s: received a reset ind!\n", __FUNCTION__);
+ printk(KERN_INFO "%s: received a reset ind!\n", __func__);
kfree_skb(skb);
break;
default:
if (ev->ind_prim) {
printk(KERN_INFO "%s: received unknown %d prim!\n",
- __FUNCTION__, ev->ind_prim);
+ __func__, ev->ind_prim);
kfree_skb(skb);
}
/* No indication */
@@ -179,12 +179,12 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb)
* FIXME:
* RESET is not being notified to upper layers for now
*/
- printk(KERN_INFO "%s: received a reset conf!\n", __FUNCTION__);
+ printk(KERN_INFO "%s: received a reset conf!\n", __func__);
break;
default:
if (ev->cfm_prim) {
printk(KERN_INFO "%s: received unknown %d prim!\n",
- __FUNCTION__, ev->cfm_prim);
+ __func__, ev->cfm_prim);
break;
}
goto out_skb_put; /* No confirmation */
@@ -700,7 +700,7 @@ static struct sock *llc_create_incoming_sock(struct sock *sk,
struct llc_addr *saddr,
struct llc_addr *daddr)
{
- struct sock *newsk = llc_sk_alloc(sk->sk_net, sk->sk_family, GFP_ATOMIC,
+ struct sock *newsk = llc_sk_alloc(sock_net(sk), sk->sk_family, GFP_ATOMIC,
sk->sk_prot);
struct llc_sock *newllc, *llc = llc_sk(sk);
@@ -759,7 +759,7 @@ void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb)
if (!sock_owned_by_user(sk))
llc_conn_rcv(sk, skb);
else {
- dprintk("%s: adding to backlog...\n", __FUNCTION__);
+ dprintk("%s: adding to backlog...\n", __func__);
llc_set_backlog_type(skb, LLC_PACKET);
sk_add_backlog(sk, skb);
}
@@ -807,7 +807,7 @@ static int llc_backlog_rcv(struct sock *sk, struct sk_buff *skb)
else
goto out_kfree_skb;
} else {
- printk(KERN_ERR "%s: invalid skb in backlog\n", __FUNCTION__);
+ printk(KERN_ERR "%s: invalid skb in backlog\n", __func__);
goto out_kfree_skb;
}
out:
@@ -874,7 +874,7 @@ struct sock *llc_sk_alloc(struct net *net, int family, gfp_t priority, struct pr
#ifdef LLC_REFCNT_DEBUG
atomic_inc(&llc_sock_nr);
printk(KERN_DEBUG "LLC socket %p created in %s, now we have %d alive\n", sk,
- __FUNCTION__, atomic_read(&llc_sock_nr));
+ __func__, atomic_read(&llc_sock_nr));
#endif
out:
return sk;
@@ -894,7 +894,7 @@ void llc_sk_free(struct sock *sk)
/* Stop all (possibly) running timers */
llc_conn_ac_stop_all_timers(sk, NULL);
#ifdef DEBUG_LLC_CONN_ALLOC
- printk(KERN_INFO "%s: unackq=%d, txq=%d\n", __FUNCTION__,
+ printk(KERN_INFO "%s: unackq=%d, txq=%d\n", __func__,
skb_queue_len(&llc->pdu_unack_q),
skb_queue_len(&sk->sk_write_queue));
#endif
@@ -904,13 +904,13 @@ void llc_sk_free(struct sock *sk)
#ifdef LLC_REFCNT_DEBUG
if (atomic_read(&sk->sk_refcnt) != 1) {
printk(KERN_DEBUG "Destruction of LLC sock %p delayed in %s, cnt=%d\n",
- sk, __FUNCTION__, atomic_read(&sk->sk_refcnt));
+ sk, __func__, atomic_read(&sk->sk_refcnt));
printk(KERN_DEBUG "%d LLC sockets are still alive\n",
atomic_read(&llc_sock_nr));
} else {
atomic_dec(&llc_sock_nr);
printk(KERN_DEBUG "LLC socket %p released in %s, %d are still alive\n", sk,
- __FUNCTION__, atomic_read(&llc_sock_nr));
+ __func__, atomic_read(&llc_sock_nr));
}
#endif
sock_put(sk);
diff --git a/net/llc/llc_core.c b/net/llc/llc_core.c
index 248b5903bb13..50d5b10e23a2 100644
--- a/net/llc/llc_core.c
+++ b/net/llc/llc_core.c
@@ -25,8 +25,6 @@
LIST_HEAD(llc_sap_list);
DEFINE_RWLOCK(llc_sap_list_lock);
-unsigned char llc_station_mac_sa[ETH_ALEN];
-
/**
* llc_sap_alloc - allocates and initializes sap.
*
@@ -37,8 +35,8 @@ static struct llc_sap *llc_sap_alloc(void)
struct llc_sap *sap = kzalloc(sizeof(*sap), GFP_ATOMIC);
if (sap) {
+ /* sap->laddr.mac - leave as a null, it's filled by bind */
sap->state = LLC_SAP_STATE_ACTIVE;
- memcpy(sap->laddr.mac, llc_station_mac_sa, ETH_ALEN);
rwlock_init(&sap->sk_list.lock);
atomic_set(&sap->refcnt, 1);
}
@@ -167,10 +165,6 @@ static int __init llc_init(void)
if (dev != NULL)
dev = next_net_device(dev);
- if (dev != NULL)
- memcpy(llc_station_mac_sa, dev->dev_addr, ETH_ALEN);
- else
- memset(llc_station_mac_sa, 0, ETH_ALEN);
dev_add_pack(&llc_packet_type);
dev_add_pack(&llc_tr_packet_type);
return 0;
@@ -185,7 +179,6 @@ static void __exit llc_exit(void)
module_init(llc_init);
module_exit(llc_exit);
-EXPORT_SYMBOL(llc_station_mac_sa);
EXPORT_SYMBOL(llc_sap_list);
EXPORT_SYMBOL(llc_sap_list_lock);
EXPORT_SYMBOL(llc_sap_find);
diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c
index c40c9b2a345a..1c45f172991e 100644
--- a/net/llc/llc_input.c
+++ b/net/llc/llc_input.c
@@ -117,8 +117,12 @@ static inline int llc_fixup_skb(struct sk_buff *skb)
skb_pull(skb, llc_len);
if (skb->protocol == htons(ETH_P_802_2)) {
__be16 pdulen = eth_hdr(skb)->h_proto;
- u16 data_size = ntohs(pdulen) - llc_len;
+ s32 data_size = ntohs(pdulen) - llc_len;
+ if (data_size < 0 ||
+ ((skb_tail_pointer(skb) -
+ (u8 *)pdu) - llc_len) < data_size)
+ return 0;
if (unlikely(pskb_trim_rcsum(skb, data_size)))
return 0;
}
@@ -146,7 +150,7 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev,
int (*rcv)(struct sk_buff *, struct net_device *,
struct packet_type *, struct net_device *);
- if (dev->nd_net != &init_net)
+ if (dev_net(dev) != &init_net)
goto drop;
/*
@@ -154,7 +158,7 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev,
* receives, do not try to analyse it.
*/
if (unlikely(skb->pkt_type == PACKET_OTHERHOST)) {
- dprintk("%s: PACKET_OTHERHOST\n", __FUNCTION__);
+ dprintk("%s: PACKET_OTHERHOST\n", __func__);
goto drop;
}
skb = skb_share_check(skb, GFP_ATOMIC);
@@ -167,7 +171,7 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev,
goto handle_station;
sap = llc_sap_find(pdu->dsap);
if (unlikely(!sap)) {/* unknown SAP */
- dprintk("%s: llc_sap_find(%02X) failed!\n", __FUNCTION__,
+ dprintk("%s: llc_sap_find(%02X) failed!\n", __func__,
pdu->dsap);
goto drop;
}
diff --git a/net/llc/llc_pdu.c b/net/llc/llc_pdu.c
index fa8324396db3..2e6cb79196bb 100644
--- a/net/llc/llc_pdu.c
+++ b/net/llc/llc_pdu.c
@@ -241,7 +241,7 @@ void llc_pdu_init_as_frmr_rsp(struct sk_buff *skb, struct llc_pdu_sn *prev_pdu,
FRMR_INFO_SET_PDU_INFO_2LONG_IND(frmr_info, vzyxw);
FRMR_INFO_SET_PDU_INVALID_Nr_IND(frmr_info, vzyxw);
FRMR_INFO_SET_PDU_INVALID_Ns_IND(frmr_info, vzyxw);
- skb_put(skb, 5);
+ skb_put(skb, sizeof(struct llc_frmr_info));
}
/**
diff --git a/net/llc/llc_s_ac.c b/net/llc/llc_s_ac.c
index ac3d93b210d2..a94bd56bcac6 100644
--- a/net/llc/llc_s_ac.c
+++ b/net/llc/llc_s_ac.c
@@ -103,7 +103,8 @@ int llc_sap_action_send_xid_r(struct llc_sap *sap, struct sk_buff *skb)
llc_pdu_decode_sa(skb, mac_da);
llc_pdu_decode_da(skb, mac_sa);
llc_pdu_decode_ssap(skb, &dsap);
- nskb = llc_alloc_frame(NULL, skb->dev);
+ nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U,
+ sizeof(struct llc_xid_info));
if (!nskb)
goto out;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, dsap,
@@ -144,11 +145,15 @@ int llc_sap_action_send_test_r(struct llc_sap *sap, struct sk_buff *skb)
u8 mac_da[ETH_ALEN], mac_sa[ETH_ALEN], dsap;
struct sk_buff *nskb;
int rc = 1;
+ u32 data_size;
llc_pdu_decode_sa(skb, mac_da);
llc_pdu_decode_da(skb, mac_sa);
llc_pdu_decode_ssap(skb, &dsap);
- nskb = llc_alloc_frame(NULL, skb->dev);
+
+ /* The test request command is type U (llc_len = 3) */
+ data_size = ntohs(eth_hdr(skb)->h_proto) - 3;
+ nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U, data_size);
if (!nskb)
goto out;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, dsap,
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index 2525165e2e8f..e2ddde755019 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -24,20 +24,41 @@
#include <net/tcp_states.h>
#include <linux/llc.h>
+static int llc_mac_header_len(unsigned short devtype)
+{
+ switch (devtype) {
+ case ARPHRD_ETHER:
+ case ARPHRD_LOOPBACK:
+ return sizeof(struct ethhdr);
+#ifdef CONFIG_TR
+ case ARPHRD_IEEE802_TR:
+ return sizeof(struct trh_hdr);
+#endif
+ }
+ return 0;
+}
+
/**
* llc_alloc_frame - allocates sk_buff for frame
* @dev: network device this skb will be sent over
+ * @type: pdu type to allocate
+ * @data_size: data size to allocate
*
* Allocates an sk_buff for frame and initializes sk_buff fields.
* Returns allocated skb or %NULL when out of memory.
*/
-struct sk_buff *llc_alloc_frame(struct sock *sk, struct net_device *dev)
+struct sk_buff *llc_alloc_frame(struct sock *sk, struct net_device *dev,
+ u8 type, u32 data_size)
{
- struct sk_buff *skb = alloc_skb(128, GFP_ATOMIC);
+ int hlen = type == LLC_PDU_TYPE_U ? 3 : 4;
+ struct sk_buff *skb;
+
+ hlen += llc_mac_header_len(dev->type);
+ skb = alloc_skb(hlen + data_size, GFP_ATOMIC);
if (skb) {
skb_reset_mac_header(skb);
- skb_reserve(skb, 50);
+ skb_reserve(skb, hlen);
skb_reset_network_header(skb);
skb_reset_transport_header(skb);
skb->protocol = htons(ETH_P_802_2);
diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c
index 6f2ea2090322..83da13339490 100644
--- a/net/llc/llc_station.c
+++ b/net/llc/llc_station.c
@@ -253,13 +253,14 @@ static int llc_station_ac_inc_xid_r_cnt_by_1(struct sk_buff *skb)
static int llc_station_ac_send_null_dsap_xid_c(struct sk_buff *skb)
{
int rc = 1;
- struct sk_buff *nskb = llc_alloc_frame(NULL, skb->dev);
+ struct sk_buff *nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U,
+ sizeof(struct llc_xid_info));
if (!nskb)
goto out;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, 0, LLC_PDU_CMD);
llc_pdu_init_as_xid_cmd(nskb, LLC_XID_NULL_CLASS_2, 127);
- rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, llc_station_mac_sa);
+ rc = llc_mac_hdr_init(nskb, skb->dev->dev_addr, skb->dev->dev_addr);
if (unlikely(rc))
goto free;
llc_station_send_pdu(nskb);
@@ -274,7 +275,8 @@ static int llc_station_ac_send_xid_r(struct sk_buff *skb)
{
u8 mac_da[ETH_ALEN], dsap;
int rc = 1;
- struct sk_buff* nskb = llc_alloc_frame(NULL, skb->dev);
+ struct sk_buff *nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U,
+ sizeof(struct llc_xid_info));
if (!nskb)
goto out;
@@ -283,7 +285,7 @@ static int llc_station_ac_send_xid_r(struct sk_buff *skb)
llc_pdu_decode_ssap(skb, &dsap);
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP);
llc_pdu_init_as_xid_rsp(nskb, LLC_XID_NULL_CLASS_2, 127);
- rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, mac_da);
+ rc = llc_mac_hdr_init(nskb, skb->dev->dev_addr, mac_da);
if (unlikely(rc))
goto free;
llc_station_send_pdu(nskb);
@@ -298,7 +300,12 @@ static int llc_station_ac_send_test_r(struct sk_buff *skb)
{
u8 mac_da[ETH_ALEN], dsap;
int rc = 1;
- struct sk_buff *nskb = llc_alloc_frame(NULL, skb->dev);
+ u32 data_size;
+ struct sk_buff *nskb;
+
+ /* The test request command is type U (llc_len = 3) */
+ data_size = ntohs(eth_hdr(skb)->h_proto) - 3;
+ nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U, data_size);
if (!nskb)
goto out;
@@ -307,7 +314,7 @@ static int llc_station_ac_send_test_r(struct sk_buff *skb)
llc_pdu_decode_ssap(skb, &dsap);
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP);
llc_pdu_init_as_test_rsp(nskb, skb);
- rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, mac_da);
+ rc = llc_mac_hdr_init(nskb, skb->dev->dev_addr, mac_da);
if (unlikely(rc))
goto free;
llc_station_send_pdu(nskb);
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-10 23:14:31 +0300