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authorArnaldo Carvalho de Melo <acme@conectiva.com.br>2002-09-23 21:04:25 -0300
committerDavid S. Miller <davem@nuts.ninka.net>2002-09-23 21:04:25 -0300
commit71d24cc6cccf45edd7e95619d429f9270a6a0d2f (patch)
treea750280c1ed7bcf2ac9886e72bde03591eadc8df
parent1502caff56fc7377f7556098c6917f8506055d2c (diff)
[LLC] kill sap->{ind,conf}, finally!
With this one the sap->ind and ->conf callbacks are gone, now the core is tightly integrated with the socket layer (PF_LLC) and the datalink_protos are mostly working like when the old LLC stack was in the kernel, i.e. without special receiving routines for IPX in 802.2 mode, now I have to work on the UI sending routines to kill more stupid structs.
-rw-r--r--include/net/llc_c_ev.h5
-rw-r--r--include/net/llc_conn.h3
-rw-r--r--include/net/llc_if.h38
-rw-r--r--include/net/llc_main.h1
-rw-r--r--include/net/llc_s_ev.h1
-rw-r--r--include/net/llc_sap.h11
-rw-r--r--include/net/p8022.h9
-rw-r--r--net/802/p8022.c6
-rw-r--r--net/802/psnap.c21
-rw-r--r--net/ipx/af_ipx.c18
-rw-r--r--net/llc/llc_c_ac.c49
-rw-r--r--net/llc/llc_conn.c220
-rw-r--r--net/llc/llc_if.c22
-rw-r--r--net/llc/llc_mac.c23
-rw-r--r--net/llc/llc_main.c4
-rw-r--r--net/llc/llc_sap.c76
-rw-r--r--net/llc/llc_sock.c282
17 files changed, 256 insertions, 533 deletions
diff --git a/include/net/llc_c_ev.h b/include/net/llc_c_ev.h
index 2a8a0be9040b..6d729ed755f1 100644
--- a/include/net/llc_c_ev.h
+++ b/include/net/llc_c_ev.h
@@ -138,9 +138,8 @@ struct llc_conn_state_ev {
u8 type;
u8 reason;
u8 status;
- u8 flag;
- struct llc_prim_if_block *ind_prim;
- struct llc_prim_if_block *cfm_prim;
+ u8 ind_prim;
+ u8 cfm_prim;
union llc_conn_ev_if data;
};
diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h
index ac0a2bb7aa22..a272c8dd8d36 100644
--- a/include/net/llc_conn.h
+++ b/include/net/llc_conn.h
@@ -100,6 +100,9 @@ extern struct sock *llc_lookup_established(struct llc_sap *sap,
struct llc_addr *laddr);
extern struct sock *llc_lookup_listener(struct llc_sap *sap,
struct llc_addr *laddr);
+extern struct sock *llc_lookup_dgram(struct llc_sap *sap,
+ struct llc_addr *laddr);
+extern void llc_save_primitive(struct sk_buff* skb, u8 prim);
extern u8 llc_data_accept_state(u8 state);
extern void llc_build_offset_table(void);
#endif /* LLC_CONN_H */
diff --git a/include/net/llc_if.h b/include/net/llc_if.h
index 5ae7edc13649..fcf4f2541f7a 100644
--- a/include/net/llc_if.h
+++ b/include/net/llc_if.h
@@ -17,17 +17,17 @@
#include <linux/if_arp.h>
#include <linux/llc.h>
-#define LLC_DATAUNIT_PRIM 0
-#define LLC_CONN_PRIM 1
-#define LLC_DATA_PRIM 2
-#define LLC_DISC_PRIM 3
-#define LLC_RESET_PRIM 4
-#define LLC_FLOWCONTROL_PRIM 5 /* Not supported at this time */
-#define LLC_DISABLE_PRIM 6
-#define LLC_XID_PRIM 7
-#define LLC_TEST_PRIM 8
-#define LLC_SAP_ACTIVATION 9
-#define LLC_SAP_DEACTIVATION 10
+#define LLC_DATAUNIT_PRIM 1
+#define LLC_CONN_PRIM 2
+#define LLC_DATA_PRIM 3
+#define LLC_DISC_PRIM 4
+#define LLC_RESET_PRIM 5
+#define LLC_FLOWCONTROL_PRIM 6 /* Not supported at this time */
+#define LLC_DISABLE_PRIM 7
+#define LLC_XID_PRIM 8
+#define LLC_TEST_PRIM 9
+#define LLC_SAP_ACTIVATION 10
+#define LLC_SAP_DEACTIVATION 11
#define LLC_NBR_PRIMITIVES 11
@@ -110,23 +110,21 @@ struct llc_prim_if_block {
u8 prim;
union llc_u_prim_data *data;
};
-typedef int (*llc_prim_call_t)(struct llc_prim_if_block *prim_if);
-extern struct llc_sap *llc_sap_open(llc_prim_call_t network_indicate,
- llc_prim_call_t network_confirm, u8 lsap);
+extern struct llc_sap *llc_sap_open(u8 lsap,
+ int (*func)(struct sk_buff *skb,
+ struct net_device *dev,
+ struct packet_type *pt));
extern void llc_sap_close(struct llc_sap *sap);
extern int llc_establish_connection(struct sock *sk, u8 *lmac,
u8 *dmac, u8 dsap);
extern int llc_build_and_send_pkt(struct sock *sk, struct sk_buff *skb);
-extern void llc_build_and_send_ui_pkt(struct llc_sap *sap,
- struct sk_buff *skb,
+extern void llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb,
u8 *dmac, u8 dsap);
-extern void llc_build_and_send_xid_pkt(struct llc_sap *sap,
- struct sk_buff *skb,
+extern void llc_build_and_send_xid_pkt(struct llc_sap *sap, struct sk_buff *skb,
u8 *dmac, u8 dsap);
-extern void llc_build_and_send_test_pkt(struct llc_sap *sap,
- struct sk_buff *skb,
+extern void llc_build_and_send_test_pkt(struct llc_sap *sap, struct sk_buff *skb,
u8 *dmac, u8 dsap);
extern int llc_send_disc(struct sock *sk);
#endif /* LLC_IF_H */
diff --git a/include/net/llc_main.h b/include/net/llc_main.h
index 25d486278da4..61b679128163 100644
--- a/include/net/llc_main.h
+++ b/include/net/llc_main.h
@@ -64,4 +64,5 @@ extern void llc_station_state_process(struct llc_station *station,
extern void llc_station_send_pdu(struct llc_station *station,
struct sk_buff *skb);
extern struct sk_buff *llc_alloc_frame(void);
+extern struct packet_type llc_packet_type;
#endif /* LLC_MAIN_H */
diff --git a/include/net/llc_s_ev.h b/include/net/llc_s_ev.h
index 530042ae2be4..7014414e318c 100644
--- a/include/net/llc_s_ev.h
+++ b/include/net/llc_s_ev.h
@@ -60,6 +60,7 @@ union llc_sap_ev_if {
struct llc_prim_if_block;
struct llc_sap_state_ev {
+ u8 primitive;
u8 type;
u8 reason;
u8 ind_cfm_flag;
diff --git a/include/net/llc_sap.h b/include/net/llc_sap.h
index 412798ab6c0e..5d9dc00a5b36 100644
--- a/include/net/llc_sap.h
+++ b/include/net/llc_sap.h
@@ -12,6 +12,7 @@
* See the GNU General Public License for more details.
*/
#include <linux/skbuff.h>
+#include <net/llc_if.h>
/**
* struct llc_sap - Defines the SAP component
*
@@ -29,10 +30,9 @@ struct llc_sap {
u8 state;
u8 p_bit;
u8 f_bit;
- llc_prim_call_t ind;
- llc_prim_call_t conf;
- struct llc_prim_if_block llc_ind_prim, llc_cfm_prim;
- union llc_u_prim_data llc_ind_data_prim, llc_cfm_data_prim;
+ int (*rcv_func)(struct sk_buff *skb,
+ struct net_device *dev,
+ struct packet_type *pt);
struct llc_addr laddr;
struct list_head node;
struct {
@@ -45,7 +45,8 @@ struct llc_sap_state_ev;
extern void llc_sap_assign_sock(struct llc_sap *sap, struct sock *sk);
extern void llc_sap_unassign_sock(struct llc_sap *sap, struct sock *sk);
-extern void llc_sap_state_process(struct llc_sap *sap, struct sk_buff *skb);
+extern void llc_sap_state_process(struct llc_sap *sap, struct sk_buff *skb,
+ struct packet_type *pt);
extern void llc_sap_rtn_pdu(struct llc_sap *sap, struct sk_buff *skb);
extern void llc_sap_send_pdu(struct llc_sap *sap, struct sk_buff *skb);
#endif /* LLC_SAP_H */
diff --git a/include/net/p8022.h b/include/net/p8022.h
index 443932810d46..3c99a86c3581 100644
--- a/include/net/p8022.h
+++ b/include/net/p8022.h
@@ -1,9 +1,10 @@
#ifndef _NET_P8022_H
#define _NET_P8022_H
-#include <net/llc_if.h>
-
-extern struct datalink_proto *register_8022_client(unsigned char type,
- int (*indicate)(struct llc_prim_if_block *prim));
+extern struct datalink_proto *
+ register_8022_client(unsigned char type,
+ int (*func)(struct sk_buff *skb,
+ struct net_device *dev,
+ struct packet_type *pt));
extern void unregister_8022_client(struct datalink_proto *proto);
#endif
diff --git a/net/802/p8022.c b/net/802/p8022.c
index b19d8a89071b..3fff5ad047e0 100644
--- a/net/802/p8022.c
+++ b/net/802/p8022.c
@@ -33,7 +33,9 @@ static int p8022_request(struct datalink_proto *dl, struct sk_buff *skb,
}
struct datalink_proto *register_8022_client(unsigned char type,
- int (*indicate)(struct llc_prim_if_block *prim))
+ int (*func)(struct sk_buff *skb,
+ struct net_device *dev,
+ struct packet_type *pt))
{
struct datalink_proto *proto;
@@ -42,7 +44,7 @@ struct datalink_proto *register_8022_client(unsigned char type,
proto->type[0] = type;
proto->header_length = 3;
proto->request = p8022_request;
- proto->sap = llc_sap_open(indicate, NULL, type);
+ proto->sap = llc_sap_open(type, func);
if (!proto->sap) {
kfree(proto);
proto = NULL;
diff --git a/net/802/psnap.c b/net/802/psnap.c
index 228cc88d2bf1..b0dfa847ae0c 100644
--- a/net/802/psnap.c
+++ b/net/802/psnap.c
@@ -51,32 +51,23 @@ out:
/*
* A SNAP packet has arrived
*/
-static int snap_indicate(struct llc_prim_if_block *prim)
+static int snap_rcv(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *pt)
{
- struct sk_buff *skb;
- struct datalink_proto *proto;
int rc = 1;
- static struct packet_type psnap_packet_type = {
- .type = __constant_htons(ETH_P_SNAP),
- };
-
- if (prim->prim != LLC_DATAUNIT_PRIM)
- goto out;
-
- skb = prim->data->udata.skb;
- proto = find_snap_client(skb->h.raw);
+ struct datalink_proto *proto = find_snap_client(skb->h.raw);
if (proto) {
/* Pass the frame on. */
skb->h.raw += 5;
skb_pull(skb, 5);
- rc = proto->rcvfunc(skb, skb->dev, &psnap_packet_type);
+ rc = proto->rcvfunc(skb, dev, pt);
} else {
skb->sk = NULL;
kfree_skb(skb);
rc = 1;
}
-out:
+
return rc;
}
@@ -99,7 +90,7 @@ EXPORT_SYMBOL(unregister_snap_client);
static int __init snap_init(void)
{
- snap_sap = llc_sap_open(snap_indicate, NULL, 0xAA);
+ snap_sap = llc_sap_open(0xAA, snap_rcv);
if (!snap_sap)
printk(KERN_CRIT "SNAP - unable to register with 802.2\n");
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 7e4b56795c18..a0dedb215d95 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -2252,22 +2252,6 @@ drop: kfree_skb(skb);
out: return ret;
}
-static int ipx_8022_indicate(struct llc_prim_if_block *prim)
-{
- int rc = 1;
- static struct packet_type p8022_packet_type = {
- .type = __constant_htons(ETH_P_802_2),
- };
-
- if (prim->prim == LLC_DATAUNIT_PRIM) {
- struct sk_buff *skb = prim->data->udata.skb;
-
- rc = ipx_rcv(skb, skb->dev, &p8022_packet_type);
- }
-
- return rc;
-}
-
static int ipx_sendmsg(struct socket *sock, struct msghdr *msg, int len,
struct scm_cookie *scm)
{
@@ -2560,7 +2544,7 @@ static int __init ipx_init(void)
else
printk(ipx_8023_err_msg);
- p8022_datalink = register_8022_client(ipx_8022_type, ipx_8022_indicate);
+ p8022_datalink = register_8022_client(ipx_8022_type, ipx_rcv);
if (!p8022_datalink)
printk(ipx_llc_err_msg);
diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c
index 8b6c817e87a6..856f39efae9a 100644
--- a/net/llc/llc_c_ac.c
+++ b/net/llc/llc_c_ac.c
@@ -65,9 +65,7 @@ int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb)
llc_pdu_decode_sa(skb, llc->daddr.mac);
llc_pdu_decode_da(skb, llc->laddr.mac);
llc->dev = skb->dev;
- /* FIXME: find better way to notify upper layer */
- ev->flag = LLC_CONN_PRIM + 1;
- ev->ind_prim = (void *)1;
+ ev->ind_prim = LLC_CONN_PRIM;
rc = 0;
}
return rc;
@@ -77,8 +75,7 @@ int llc_conn_ac_conn_confirm(struct sock *sk, struct sk_buff *skb)
{
struct llc_conn_state_ev *ev = llc_conn_ev(skb);
- ev->flag = LLC_CONN_PRIM + 1;
- ev->cfm_prim = (void *)1;
+ ev->cfm_prim = LLC_CONN_PRIM;
return 0;
}
@@ -86,12 +83,7 @@ static int llc_conn_ac_data_confirm(struct sock *sk, struct sk_buff *skb)
{
struct llc_conn_state_ev *ev = llc_conn_ev(skb);
- /*
- * FIXME: find better way to tell upper layer that the packet was
- * confirmed by the other endpoint
- */
- ev->flag = LLC_DATA_PRIM + 1;
- ev->cfm_prim = (void *)1;
+ ev->cfm_prim = LLC_DATA_PRIM;
return 0;
}
@@ -130,8 +122,7 @@ int llc_conn_ac_disc_ind(struct sock *sk, struct sk_buff *skb)
}
if (!rc) {
ev->reason = reason;
- ev->flag = LLC_DISC_PRIM + 1;
- ev->ind_prim = (void *)1;
+ ev->ind_prim = LLC_DISC_PRIM;
}
return rc;
}
@@ -141,8 +132,7 @@ int llc_conn_ac_disc_confirm(struct sock *sk, struct sk_buff *skb)
struct llc_conn_state_ev *ev = llc_conn_ev(skb);
ev->reason = ev->status;
- ev->flag = LLC_DISC_PRIM + 1;
- ev->cfm_prim = (void *)1;
+ ev->cfm_prim = LLC_DISC_PRIM;
return 0;
}
@@ -184,18 +174,8 @@ int llc_conn_ac_rst_ind(struct sock *sk, struct sk_buff *skb)
break;
}
if (!rc) {
- struct llc_sap *sap = llc->sap;
- struct llc_prim_if_block *prim = &sap->llc_ind_prim;
- union llc_u_prim_data *prim_data = prim->data;
-
- prim_data->res.sk = sk;
- prim_data->res.link = llc->link;
- prim->data = prim_data;
- prim->prim = LLC_RESET_PRIM;
- prim->sap = sap;
- ev->reason = reason;
- ev->flag = 1;
- ev->ind_prim = prim;
+ ev->reason = reason;
+ ev->ind_prim = LLC_RESET_PRIM;
}
return rc;
}
@@ -203,18 +183,9 @@ int llc_conn_ac_rst_ind(struct sock *sk, struct sk_buff *skb)
int llc_conn_ac_rst_confirm(struct sock *sk, struct sk_buff *skb)
{
struct llc_conn_state_ev *ev = llc_conn_ev(skb);
- struct llc_opt *llc = llc_sk(sk);
- struct llc_sap *sap = llc->sap;
- struct llc_prim_if_block *prim = &sap->llc_cfm_prim;
- union llc_u_prim_data *prim_data = prim->data;
-
- prim_data->res.sk = sk;
- prim_data->res.link = llc->link;
- prim->data = prim_data;
- prim->prim = LLC_RESET_PRIM;
- prim->sap = sap;
- ev->flag = 1;
- ev->cfm_prim = prim;
+
+ ev->reason = 0;
+ ev->cfm_prim = LLC_RESET_PRIM;
return 0;
}
diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c
index 1c1b3b734777..1c7af4795c16 100644
--- a/net/llc/llc_conn.c
+++ b/net/llc/llc_conn.c
@@ -39,12 +39,12 @@ static struct llc_conn_state_trans *llc_qualify_conn_ev(struct sock *sk,
/* Offset table on connection states transition diagram */
static int llc_offset_table[NBR_CONN_STATES][NBR_CONN_EV];
-void llc_save_primitive(struct sock *sk, struct sk_buff* skb, u8 prim)
+void llc_save_primitive(struct sk_buff* skb, u8 prim)
{
struct sockaddr_llc *addr = llc_ui_skb_cb(skb);
/* save primitive for use by the user. */
- addr->sllc_family = sk->family;
+ addr->sllc_family = skb->sk->family;
addr->sllc_arphrd = skb->dev->type;
addr->sllc_test = prim == LLC_TEST_PRIM;
addr->sllc_xid = prim == LLC_XID_PRIM;
@@ -67,110 +67,120 @@ void llc_save_primitive(struct sock *sk, struct sk_buff* skb, u8 prim)
*/
int llc_conn_state_process(struct sock *sk, struct sk_buff *skb)
{
- /* sending event to state machine */
- int rc = llc_conn_service(sk, skb);
+ int rc;
struct llc_opt *llc = llc_sk(sk);
struct llc_conn_state_ev *ev = llc_conn_ev(skb);
- u8 flag = ev->flag;
- u8 status = ev->status;
- struct llc_prim_if_block *ind_prim = ev->ind_prim;
- struct llc_prim_if_block *cfm_prim = ev->cfm_prim;
- /*
- * FIXME: this will vanish as soon I get rid of the last prim crap
- */
- if (flag != LLC_DATA_PRIM + 1 && flag != LLC_CONN_PRIM + 1 &&
- flag != LLC_DISC_PRIM + 1)
- llc_conn_free_ev(skb);
- else if (ind_prim && cfm_prim)
- skb_get(skb);
- if (!flag) /* indicate or confirm not required */
+ ev->ind_prim = ev->cfm_prim = 0;
+ rc = llc_conn_service(sk, skb); /* sending event to state machine */
+ if (rc) {
+ printk(KERN_ERR "%s: llc_conn_service failed\n", __FUNCTION__);
+ goto out_kfree_skb;
+ }
+
+ if (!ev->ind_prim && !ev->cfm_prim) { /* indicate or confirm not required */
+ if (!skb->list)
+ goto out_kfree_skb;
goto out;
- rc = 0;
- if (ind_prim) { /* indication required */
- /*
- * FIXME: this will be saner as soon I get rid of the double
- * sock crap
- */
- switch (flag) {
- case LLC_DATA_PRIM + 1:
- llc_save_primitive(sk, skb, LLC_DATA_PRIM);
- if (sock_queue_rcv_skb(sk, skb)) {
- /*
- * FIXME: have to sync the LLC state
- * machine wrt mem usage with
- * sk->{r,w}mem_alloc, will do
- * this soon 8)
- */
- printk(KERN_ERR
- "%s: sock_queue_rcv_skb failed!\n",
- __FUNCTION__);
- kfree_skb(skb);
- }
- break;
- case LLC_CONN_PRIM + 1: {
- struct sock *parent = skb->sk;
+ }
- skb->sk = sk;
- skb_queue_tail(&parent->receive_queue, skb);
- sk->state_change(parent);
+ if (ev->ind_prim && ev->cfm_prim)
+ skb_get(skb);
+
+ switch (ev->ind_prim) {
+ case LLC_DATA_PRIM:
+ llc_save_primitive(skb, LLC_DATA_PRIM);
+ if (sock_queue_rcv_skb(sk, skb)) {
+ /*
+ * shouldn't happen
+ */
+ printk(KERN_ERR "%s: sock_queue_rcv_skb failed!\n",
+ __FUNCTION__);
+ kfree_skb(skb);
}
- break;
- case LLC_DISC_PRIM + 1:
- sock_hold(sk);
- if (sk->type == SOCK_STREAM && sk->state == TCP_ESTABLISHED) {
- sk->shutdown = SHUTDOWN_MASK;
- sk->socket->state = SS_UNCONNECTED;
- sk->state = TCP_CLOSE;
- if (!sk->dead) {
- sk->state_change(sk);
- sk->dead = 1;
- }
+ break;
+ case LLC_CONN_PRIM: {
+ struct sock *parent = skb->sk;
+
+ skb->sk = sk;
+ skb_queue_tail(&parent->receive_queue, skb);
+ sk->state_change(parent);
+ }
+ break;
+ case LLC_DISC_PRIM:
+ sock_hold(sk);
+ if (sk->type == SOCK_STREAM && sk->state == TCP_ESTABLISHED) {
+ sk->shutdown = SHUTDOWN_MASK;
+ sk->socket->state = SS_UNCONNECTED;
+ sk->state = TCP_CLOSE;
+ if (!sk->dead) {
+ sk->state_change(sk);
+ sk->dead = 1;
}
+ }
+ kfree_skb(skb);
+ sock_put(sk);
+ break;
+ case LLC_RESET_PRIM:
+ /*
+ * FIXME:
+ * RESET is not being notified to upper layers for now
+ */
+ printk(KERN_INFO "%s: received a reset ind!\n", __FUNCTION__);
+ kfree_skb(skb);
+ break;
+ default:
+ if (ev->ind_prim) {
+ printk(KERN_INFO "%s: received unknown %d prim!\n",
+ __FUNCTION__, ev->ind_prim);
kfree_skb(skb);
- sock_put(sk);
- break;
- default:
- llc->sap->ind(ind_prim);
}
+ /* No indication */
+ break;
}
- if (!cfm_prim) /* confirmation not required */
- goto out;
- /* FIXME: see FIXMEs above */
- switch (flag) {
- case LLC_DATA_PRIM + 1:
+
+ switch (ev->cfm_prim) {
+ case LLC_DATA_PRIM:
if (!llc_data_accept_state(llc->state))
- /* In this state, we can send I pdu */
sk->write_space(sk);
else
rc = llc->failed_data_req = 1;
break;
- case LLC_CONN_PRIM + 1:
- if (sk->type != SOCK_STREAM || sk->state != TCP_SYN_SENT)
- goto out_kfree_skb;
- if (status) {
- sk->socket->state = SS_UNCONNECTED;
- sk->state = TCP_CLOSE;
- } else {
- sk->socket->state = SS_CONNECTED;
- sk->state = TCP_ESTABLISHED;
+ case LLC_CONN_PRIM:
+ if (sk->type == SOCK_STREAM && sk->state == TCP_SYN_SENT) {
+ if (ev->status) {
+ sk->socket->state = SS_UNCONNECTED;
+ sk->state = TCP_CLOSE;
+ } else {
+ sk->socket->state = SS_CONNECTED;
+ sk->state = TCP_ESTABLISHED;
+ }
+ sk->state_change(sk);
}
- sk->state_change(sk);
break;
- case LLC_DISC_PRIM + 1:
+ case LLC_DISC_PRIM:
sock_hold(sk);
- if (sk->type != SOCK_STREAM || sk->state != TCP_CLOSING) {
- sock_put(sk);
- goto out_kfree_skb;
+ if (sk->type == SOCK_STREAM && sk->state == TCP_CLOSING) {
+ sk->socket->state = SS_UNCONNECTED;
+ sk->state = TCP_CLOSE;
+ sk->state_change(sk);
}
- sk->socket->state = SS_UNCONNECTED;
- sk->state = TCP_CLOSE;
- sk->state_change(sk);
sock_put(sk);
break;
+ case LLC_RESET_PRIM:
+ /*
+ * FIXME:
+ * RESET is not being notified to upper layers for now
+ */
+ printk(KERN_INFO "%s: received a reset conf!\n", __FUNCTION__);
+ break;
default:
- llc->sap->conf(cfm_prim);
- goto out;
+ if (ev->cfm_prim) {
+ printk(KERN_INFO "%s: received unknown %d prim!\n",
+ __FUNCTION__, ev->cfm_prim);
+ break;
+ }
+ goto out; /* No confirmation */
}
out_kfree_skb:
kfree_skb(skb);
@@ -198,9 +208,7 @@ void llc_conn_rtn_pdu(struct sock *sk, struct sk_buff *skb)
{
struct llc_conn_state_ev *ev = llc_conn_ev(skb);
- /* FIXME: indicate that we should send this to the upper layer */
- ev->flag = LLC_DATA_PRIM + 1;
- ev->ind_prim = (void *)1;
+ ev->ind_prim = LLC_DATA_PRIM;
}
/**
@@ -355,12 +363,14 @@ void llc_conn_free_ev(struct sk_buff *skb)
/* free the frame that is bound to this event */
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
- if (LLC_PDU_TYPE_IS_I(pdu) || !ev->flag || !ev->ind_prim)
+ if (LLC_PDU_TYPE_IS_I(pdu) || !ev->ind_prim)
kfree_skb(skb);
} else if (ev->type == LLC_CONN_EV_TYPE_PRIM &&
ev->data.prim.prim != LLC_DATA_PRIM)
kfree_skb(skb);
- else if (ev->type == LLC_CONN_EV_TYPE_P_TMR)
+ else if (ev->type == LLC_CONN_EV_TYPE_P_TMR ||
+ ev->type == LLC_CONN_EV_TYPE_BUSY_TMR ||
+ ev->type == LLC_CONN_EV_TYPE_REJ_TMR)
kfree_skb(skb);
}
@@ -541,6 +551,38 @@ out:
}
/**
+ * llc_lookup_dgram - Finds dgram socket for the local sap/mac
+ * @sap: SAP
+ * @laddr: address of local LLC (MAC + SAP)
+ *
+ * Search socket list of the SAP and finds connection using the local
+ * mac, and local sap. Returns pointer for socket found, %NULL otherwise.
+ */
+struct sock *llc_lookup_dgram(struct llc_sap *sap, struct llc_addr *laddr)
+{
+ struct sock *rc = NULL;
+ struct list_head *entry;
+
+ spin_lock_bh(&sap->sk_list.lock);
+ if (list_empty(&sap->sk_list.list))
+ goto out;
+ list_for_each(entry, &sap->sk_list.list) {
+ struct llc_opt *llc = list_entry(entry, struct llc_opt, node);
+
+ if (llc->sk->type == SOCK_DGRAM &&
+ llc->laddr.lsap == laddr->lsap &&
+ llc_mac_match(llc->laddr.mac, laddr->mac)) {
+ rc = llc->sk;
+ break;
+ }
+ }
+ if (rc)
+ sock_hold(rc);
+out:
+ spin_unlock_bh(&sap->sk_list.lock);
+ return rc;
+}
+/**
* llc_data_accept_state - designates if in this state data can be sent.
* @state: state of connection.
*
diff --git a/net/llc/llc_if.c b/net/llc/llc_if.c
index c876598eea7c..3ad1a5779602 100644
--- a/net/llc/llc_if.c
+++ b/net/llc/llc_if.c
@@ -30,17 +30,16 @@
/**
* llc_sap_open - open interface to the upper layers.
- * @nw_indicate: pointer to indicate function of upper layer.
- * @nw_confirm: pointer to confirm function of upper layer.
* @lsap: SAP number.
- * @sap: pointer to allocated SAP (output argument).
+ * @func: rcv func for datalink protos
*
* Interface function to upper layer. Each one who wants to get a SAP
* (for example NetBEUI) should call this function. Returns the opened
* SAP for success, NULL for failure.
*/
-struct llc_sap *llc_sap_open(llc_prim_call_t nw_indicate,
- llc_prim_call_t nw_confirm, u8 lsap)
+struct llc_sap *llc_sap_open(u8 lsap, int (*func)(struct sk_buff *skb,
+ struct net_device *dev,
+ struct packet_type *pt))
{
/* verify this SAP is not already open; if so, return error */
struct llc_sap *sap;
@@ -57,8 +56,7 @@ struct llc_sap *llc_sap_open(llc_prim_call_t nw_indicate,
goto err;
/* allocated a SAP; initialize it and clear out its memory pool */
sap->laddr.lsap = lsap;
- sap->ind = nw_indicate;
- sap->conf = nw_confirm;
+ sap->rcv_func = func;
sap->parent_station = llc_station_get();
/* initialized SAP; add it to list of SAPs this station manages */
llc_sap_save(sap);
@@ -117,7 +115,7 @@ void llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb,
ev->data.prim.prim = LLC_DATAUNIT_PRIM;
ev->data.prim.type = LLC_PRIM_TYPE_REQ;
ev->data.prim.data = &prim;
- llc_sap_state_process(sap, skb);
+ llc_sap_state_process(sap, skb, &llc_packet_type);
}
/**
@@ -130,8 +128,8 @@ void llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb,
* This function is called when upper layer wants to send a TEST pdu.
* Returns 0 for success, 1 otherwise.
*/
-void llc_build_and_send_test_pkt(struct llc_sap *sap, struct sk_buff *skb,
- u8 *dmac, u8 dsap)
+void llc_build_and_send_test_pkt(struct llc_sap *sap,
+ struct sk_buff *skb, u8 *dmac, u8 dsap)
{
union llc_u_prim_data prim_data;
struct llc_prim_if_block prim;
@@ -151,7 +149,7 @@ void llc_build_and_send_test_pkt(struct llc_sap *sap, struct sk_buff *skb,
ev->data.prim.prim = LLC_TEST_PRIM;
ev->data.prim.type = LLC_PRIM_TYPE_REQ;
ev->data.prim.data = &prim;
- llc_sap_state_process(sap, skb);
+ llc_sap_state_process(sap, skb, &llc_packet_type);
}
/**
@@ -185,7 +183,7 @@ void llc_build_and_send_xid_pkt(struct llc_sap *sap, struct sk_buff *skb,
ev->data.prim.prim = LLC_XID_PRIM;
ev->data.prim.type = LLC_PRIM_TYPE_REQ;
ev->data.prim.data = &prim;
- llc_sap_state_process(sap, skb);
+ llc_sap_state_process(sap, skb, &llc_packet_type);
}
/**
diff --git a/net/llc/llc_mac.c b/net/llc/llc_mac.c
index 19eddd8ce38a..820d49540376 100644
--- a/net/llc/llc_mac.c
+++ b/net/llc/llc_mac.c
@@ -37,7 +37,8 @@ u8 llc_mac_null_var[IFHWADDRLEN];
static void fix_up_incoming_skb(struct sk_buff *skb);
static void llc_station_rcv(struct sk_buff *skb);
-static void llc_sap_rcv(struct llc_sap *sap, struct sk_buff *skb);
+static void llc_sap_rcv(struct llc_sap *sap, struct sk_buff *skb,
+ struct packet_type *pt);
/**
* mac_send_pdu - Sends PDU to specific device.
@@ -82,7 +83,7 @@ out:
* data now), it queues this frame in the connection's backlog.
*/
int llc_rcv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *pt)
+ struct packet_type *pt)
{
struct llc_sap *sap;
struct llc_pdu_sn *pdu;
@@ -113,8 +114,16 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev,
}
llc_decode_pdu_type(skb, &dest);
if (dest == LLC_DEST_SAP) { /* type 1 services */
- dprintk("%s: calling llc_sap_rcv!\n", __FUNCTION__);
- llc_sap_rcv(sap, skb);
+ struct llc_addr laddr;
+ struct sock *sk;
+
+ llc_pdu_decode_da(skb, laddr.mac);
+ llc_pdu_decode_dsap(skb, &laddr.lsap);
+
+ skb->sk = sk = llc_lookup_dgram(sap, &laddr);
+ llc_sap_rcv(sap, skb, pt);
+ if (sk)
+ sock_put(sk);
} else if (dest == LLC_DEST_CONN) {
struct llc_addr saddr, daddr;
struct sock *sk;
@@ -245,16 +254,18 @@ int llc_conn_rcv(struct sock* sk, struct sk_buff *skb)
* llc_sap_rcv - sends received pdus to the sap state machine
* @sap: current sap component structure.
* @skb: received frame.
+ * @pt: packet type
*
* Sends received pdus to the sap state machine.
*/
-static void llc_sap_rcv(struct llc_sap *sap, struct sk_buff *skb)
+static void llc_sap_rcv(struct llc_sap *sap, struct sk_buff *skb,
+ struct packet_type *pt)
{
struct llc_sap_state_ev *ev = llc_sap_ev(skb);
ev->type = LLC_SAP_EV_TYPE_PDU;
ev->reason = 0;
- llc_sap_state_process(sap, skb);
+ llc_sap_state_process(sap, skb, pt);
}
/**
diff --git a/net/llc/llc_main.c b/net/llc/llc_main.c
index 4326773996ec..f84a5e26ab1c 100644
--- a/net/llc/llc_main.c
+++ b/net/llc/llc_main.c
@@ -73,8 +73,6 @@ struct llc_sap *llc_sap_alloc(void)
spin_lock_init(&sap->sk_list.lock);
INIT_LIST_HEAD(&sap->sk_list.list);
skb_queue_head_init(&sap->mac_pdu_q);
- sap->llc_ind_prim.data = &sap->llc_ind_data_prim;
- sap->llc_cfm_prim.data = &sap->llc_cfm_data_prim;
}
return sap;
}
@@ -621,7 +619,7 @@ unlock:
return len;
}
-static struct packet_type llc_packet_type = {
+struct packet_type llc_packet_type = {
.type = __constant_htons(ETH_P_802_2),
.func = llc_rcv,
.data = (void *)1,
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index 2285728c2261..d84c9e67fd15 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -18,6 +18,7 @@
#include <net/llc_s_ac.h>
#include <net/llc_s_st.h>
#include <net/sock.h>
+#include <linux/tcp.h>
#include <net/llc_main.h>
#include <net/llc_mac.h>
#include <net/llc_pdu.h>
@@ -63,21 +64,45 @@ void llc_sap_unassign_sock(struct llc_sap *sap, struct sock *sk)
/**
* llc_sap_state_process - sends event to SAP state machine
- * @sap: pointer to SAP
+ * @sap: sap to use
* @skb: pointer to occurred event
+ * @pt: packet type, for datalink protos
*
* After executing actions of the event, upper layer will be indicated
- * if needed(on receiving an UI frame).
+ * if needed(on receiving an UI frame). sk can be null for the
+ * datalink_proto case.
*/
-void llc_sap_state_process(struct llc_sap *sap, struct sk_buff *skb)
+void llc_sap_state_process(struct llc_sap *sap, struct sk_buff *skb,
+ struct packet_type *pt)
{
struct llc_sap_state_ev *ev = llc_sap_ev(skb);
llc_sap_next_state(sap, skb);
- if (ev->ind_cfm_flag == LLC_IND)
- sap->ind(ev->prim);
- else if (ev->type == LLC_SAP_EV_TYPE_PDU)
+ if (ev->ind_cfm_flag == LLC_IND) {
+ if (sap->rcv_func) {
+ /* FIXME:
+ * Ugly hack, still trying to figure it
+ * out if this is a bug in IPX or here
+ * in LLC Land... But hey, it even works,
+ * no leaks 8)
+ */
+ if (skb->list)
+ skb_get(skb);
+ sap->rcv_func(skb, skb->dev, pt);
+ } else {
+ if (skb->sk->state == TCP_LISTEN)
+ goto drop;
+
+ llc_save_primitive(skb, ev->primitive);
+
+ /* queue skb to the user. */
+ if (sock_queue_rcv_skb(skb->sk, skb))
+ kfree_skb(skb);
+ }
+ } else if (ev->type == LLC_SAP_EV_TYPE_PDU) {
+drop:
kfree_skb(skb);
+ }
}
/**
@@ -89,43 +114,18 @@ void llc_sap_rtn_pdu(struct llc_sap *sap, struct sk_buff *skb)
{
struct llc_pdu_un *pdu;
struct llc_sap_state_ev *ev = llc_sap_ev(skb);
- struct llc_prim_if_block *prim = &sap->llc_ind_prim;
- union llc_u_prim_data *prim_data = prim->data;
- u8 lfb;
- llc_pdu_decode_sa(skb, prim_data->udata.saddr.mac);
- llc_pdu_decode_da(skb, prim_data->udata.daddr.mac);
- llc_pdu_decode_dsap(skb, &prim_data->udata.daddr.lsap);
- llc_pdu_decode_ssap(skb, &prim_data->udata.saddr.lsap);
- prim_data->udata.pri = 0;
- prim_data->udata.skb = skb;
pdu = llc_pdu_un_hdr(skb);
switch (LLC_U_PDU_RSP(pdu)) {
- case LLC_1_PDU_CMD_TEST:
- prim->prim = LLC_TEST_PRIM;
- break;
- case LLC_1_PDU_CMD_XID:
- prim->prim = LLC_XID_PRIM;
- break;
- case LLC_1_PDU_CMD_UI:
- if (skb->protocol == ntohs(ETH_P_TR_802_2)) {
- if (((struct trh_hdr *)skb->mac.raw)->rcf) {
- lfb = ntohs(((struct trh_hdr *)
- skb->mac.raw)->rcf) &
- 0x0070;
- prim_data->udata.lfb = lfb >> 4;
- } else {
- lfb = 0xFF;
- prim_data->udata.lfb = 0xFF;
- }
- }
- prim->prim = LLC_DATAUNIT_PRIM;
- break;
+ case LLC_1_PDU_CMD_TEST:
+ ev->primitive = LLC_TEST_PRIM; break;
+ case LLC_1_PDU_CMD_XID:
+ ev->primitive = LLC_XID_PRIM; break;
+ case LLC_1_PDU_CMD_UI:
+ ev->primitive = LLC_DATAUNIT_PRIM; break;
}
- prim->data = prim_data;
- prim->sap = sap;
ev->ind_cfm_flag = LLC_IND;
- ev->prim = prim;
+ ev->prim = NULL;
}
/**
diff --git a/net/llc/llc_sock.c b/net/llc/llc_sock.c
index 5db767d647a3..3376f48d1227 100644
--- a/net/llc/llc_sock.c
+++ b/net/llc/llc_sock.c
@@ -51,11 +51,7 @@ static u16 llc_ui_sap_last_autoport = LLC_SAP_DYN_START;
static u16 llc_ui_sap_link_no_max[256];
static struct sockaddr_llc llc_ui_addrnull;
static struct proto_ops llc_ui_ops;
-static struct sock *llc_ui_sockets;
-static rwlock_t llc_ui_sockets_lock = RW_LOCK_UNLOCKED;
-static int llc_ui_indicate(struct llc_prim_if_block *prim);
-static int llc_ui_confirm(struct llc_prim_if_block *prim);
static int llc_ui_wait_for_conn(struct sock *sk, int timeout);
static int llc_ui_wait_for_disc(struct sock *sk, int timeout);
static int llc_ui_wait_for_data(struct sock *sk, int timeout);
@@ -145,103 +141,6 @@ static int llc_ui_send_data(struct sock* sk, struct sk_buff *skb, int noblock)
return rc;
}
-/**
- * __llc_ui_find_sk_by_addr - return socket matching local mac + sap.
- * @addr: Local address to match.
- *
- * Search the local socket list and return the socket which has a matching
- * local (mac + sap) address (allows null mac). This search will work on
- * unconnected and connected sockets, though find_by_link_no is recommend
- * for connected sockets.
- * Returns sock upon match, %NULL otherwise.
- */
-static struct sock *__llc_ui_find_sk_by_addr(struct llc_addr *laddr,
- struct llc_addr *daddr,
- struct net_device *dev)
-{
- struct sock *sk;
-
- for (sk = llc_ui_sockets; sk; sk = sk->next) {
- struct llc_opt *llc = llc_sk(sk);
-
- if (llc->addr.sllc_ssap != laddr->lsap)
- continue;
- if (llc_mac_null(llc->addr.sllc_smac)) {
- if (!llc_mac_null(llc->addr.sllc_mmac) &&
- !llc_mac_match(llc->addr.sllc_mmac,
- laddr->mac))
- continue;
- break;
- }
- if (dev && !llc_mac_null(llc->addr.sllc_mmac) &&
- llc_mac_match(llc->addr.sllc_mmac, laddr->mac) &&
- llc_mac_match(llc->addr.sllc_smac, dev->dev_addr))
- break;
- if (dev->flags & IFF_LOOPBACK)
- break;
- if (!llc_mac_match(llc->addr.sllc_smac, laddr->mac))
- continue;
- if (llc_mac_null(llc->addr.sllc_dmac))
- break;
- }
- return sk;
-}
-
-static struct sock *llc_ui_find_sk_by_addr(struct llc_addr *addr,
- struct llc_addr *daddr,
- struct net_device *dev)
-{
- struct sock *sk;
-
- read_lock(&llc_ui_sockets_lock);
- sk = __llc_ui_find_sk_by_addr(addr, daddr, dev);
- if (sk)
- sock_hold(sk);
- read_unlock(&llc_ui_sockets_lock);
- return sk;
-}
-
-/**
- * llc_ui_insert_socket - insert socket into list
- * @sk: Socket to insert.
- *
- * Insert a socket into the local llc socket list.
- */
-static __inline__ void llc_ui_insert_socket(struct sock *sk)
-{
- write_lock_bh(&llc_ui_sockets_lock);
- sk->next = llc_ui_sockets;
- if (sk->next)
- llc_ui_sockets->pprev = &sk->next;
- llc_ui_sockets = sk;
- sk->pprev = &llc_ui_sockets;
- sock_hold(sk);
- write_unlock_bh(&llc_ui_sockets_lock);
-}
-
-/**
- * llc_ui_remove_socket - remove socket from list
- * @sk: Socket to remove.
- *
- * Remove a socket from the local llc socket list.
- */
-static __inline__ void llc_ui_remove_socket(struct sock *sk)
-{
- write_lock_bh(&llc_ui_sockets_lock);
- if (sk->pprev) {
- if (sk->next)
- sk->next->pprev = sk->pprev;
- *sk->pprev = sk->next;
- sk->pprev = NULL;
- /*
- * This only makes sense if the socket was inserted on the
- * list, if sk->pprev is NULL it wasn't
- */
- sock_put(sk);
- }
- write_unlock_bh(&llc_ui_sockets_lock);
-}
-
static void llc_ui_sk_init(struct socket *sock, struct sock *sk)
{
sk->type = sock->type;
@@ -296,10 +195,8 @@ static int llc_ui_release(struct socket *sock)
llc->laddr.lsap, llc->daddr.lsap);
if (!llc_send_disc(sk))
llc_ui_wait_for_disc(sk, sk->rcvtimeo);
- if (!sk->zapped) {
+ if (!sk->zapped)
llc_sap_unassign_sock(llc->sap, sk);
- llc_ui_remove_socket(sk);
- }
release_sock(sk);
if (llc->sap && list_empty(&llc->sap->sk_list.list))
llc_sap_close(llc->sap);
@@ -384,8 +281,7 @@ static int llc_ui_autobind(struct socket *sock, struct sockaddr_llc *addr)
}
sap = llc_sap_find(addr->sllc_ssap);
if (!sap) {
- sap = llc_sap_open(llc_ui_indicate, llc_ui_confirm,
- addr->sllc_ssap);
+ sap = llc_sap_open(addr->sllc_ssap, NULL);
rc = -EBUSY; /* some other network layer is using the sap */
if (!sap)
goto out;
@@ -420,7 +316,6 @@ static int llc_ui_autobind(struct socket *sock, struct sockaddr_llc *addr)
llc->daddr.lsap = addr->sllc_dsap;
memcpy(llc->daddr.mac, addr->sllc_dmac, IFHWADDRLEN);
memcpy(&llc->addr, addr, sizeof(llc->addr));
- llc_ui_insert_socket(sk);
/* assign new connection to it's SAP */
llc_sap_assign_sock(sap, sk);
rc = sk->zapped = 0;
@@ -769,7 +664,6 @@ static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags)
/* put original socket back into a clean listen state. */
sk->state = TCP_LISTEN;
sk->ack_backlog--;
- llc_ui_insert_socket(newsk);
skb->sk = NULL;
dprintk("%s: ok success on %02X, client on %02X\n", __FUNCTION__,
llc_sk(sk)->addr.sllc_ssap, newllc->addr.sllc_dsap);
@@ -1126,178 +1020,6 @@ out:
return rc;
}
-/**
- * llc_ui_ind_test - handle TEST indication
- * @prim: Primitive block provided by the llc layer.
- *
- * handle TEST indication.
- */
-static void llc_ui_ind_test(struct llc_prim_if_block *prim)
-{
- struct llc_prim_test *prim_data = &prim->data->test;
- struct sk_buff *skb = prim_data->skb;
- struct sockaddr_llc *addr = llc_ui_skb_cb(skb);
- struct sock *sk = llc_ui_find_sk_by_addr(&prim_data->daddr,
- &prim_data->saddr, skb->dev);
- if (!sk)
- goto out;
- if (sk->state == TCP_LISTEN)
- goto out_put;
- /* save primitive for use by the user. */
- addr->sllc_family = AF_LLC;
- addr->sllc_arphrd = skb->dev->type;
- addr->sllc_test = 1;
- addr->sllc_xid = 0;
- addr->sllc_ua = 0;
- addr->sllc_dsap = prim_data->daddr.lsap;
- memcpy(addr->sllc_dmac, prim_data->daddr.mac, IFHWADDRLEN);
- addr->sllc_ssap = prim_data->saddr.lsap;
- memcpy(addr->sllc_smac, prim_data->saddr.mac, IFHWADDRLEN);
- /* queue skb to the user. */
- if (sock_queue_rcv_skb(sk, skb))
- kfree_skb(skb);
-out_put:
- sock_put(sk);
-out:;
-}
-
-/**
- * llc_ui_ind_xid - handle XID indication
- * @prim: Primitive block provided by the llc layer.
- *
- * handle XID indication.
- */
-static void llc_ui_ind_xid(struct llc_prim_if_block *prim)
-{
- struct llc_prim_xid *prim_data = &prim->data->xid;
- struct sk_buff *skb = prim_data->skb;
- struct sockaddr_llc *addr = llc_ui_skb_cb(skb);
- struct sock *sk = llc_ui_find_sk_by_addr(&prim_data->daddr,
- &prim_data->saddr, skb->dev);
- if (!sk)
- goto out;
- if (sk->state == TCP_LISTEN)
- goto out_put;
- /* save primitive for use by the user. */
- addr->sllc_family = AF_LLC;
- addr->sllc_arphrd = 0;
- addr->sllc_test = 0;
- addr->sllc_xid = 1;
- addr->sllc_ua = 0;
- addr->sllc_dsap = prim_data->daddr.lsap;
- memcpy(addr->sllc_dmac, prim_data->daddr.mac, IFHWADDRLEN);
- addr->sllc_ssap = prim_data->saddr.lsap;
- memcpy(addr->sllc_smac, prim_data->saddr.mac, IFHWADDRLEN);
- /* queue skb to the user. */
- if (sock_queue_rcv_skb(sk, skb))
- kfree_skb(skb);
-out_put:
- sock_put(sk);
-out:;
-}
-
-/**
- * llc_ui_ind_dataunit - handle DATAUNIT indication
- * @prim: Primitive block provided by the llc layer.
- *
- * handle DATAUNIT indication.
- */
-static void llc_ui_ind_dataunit(struct llc_prim_if_block *prim)
-{
- struct llc_prim_unit_data *prim_data = &prim->data->udata;
- struct sk_buff *skb = prim_data->skb;
- struct sockaddr_llc *addr = llc_ui_skb_cb(skb);
- struct sock *sk = llc_ui_find_sk_by_addr(&prim_data->daddr,
- &prim_data->saddr, skb->dev);
- if (!sk)
- goto out;
- if (sk->state == TCP_LISTEN)
- goto out_put;
- /* save primitive for use by the user. */
- addr->sllc_family = AF_LLC;
- addr->sllc_arphrd = skb->dev->type;
- addr->sllc_test = 0;
- addr->sllc_xid = 0;
- addr->sllc_ua = 1;
- addr->sllc_dsap = prim_data->daddr.lsap;
- memcpy(addr->sllc_dmac, prim_data->daddr.mac, IFHWADDRLEN);
- addr->sllc_ssap = prim_data->saddr.lsap;
- memcpy(addr->sllc_smac, prim_data->saddr.mac, IFHWADDRLEN);
- /* queue skb to the user. */
- if (sock_queue_rcv_skb(sk, skb))
- kfree_skb(skb);
-out_put:
- sock_put(sk);
-out:;
-}
-
-/**
- * llc_ui_indicate - LLC user interface hook into the LLC layer.
- * @prim: Primitive block provided by the llc layer.
- *
- * LLC user interface hook into the LLC layer, every llc_ui sap references
- * this function as its indicate handler.
- * Always returns 0 to indicate reception of primitive.
- */
-static int llc_ui_indicate(struct llc_prim_if_block *prim)
-{
- switch (prim->prim) {
- case LLC_TEST_PRIM:
- llc_ui_ind_test(prim); break;
- case LLC_XID_PRIM:
- llc_ui_ind_xid(prim); break;
- case LLC_DATAUNIT_PRIM:
- llc_ui_ind_dataunit(prim); break;
- case LLC_CONN_PRIM:
- dprintk("%s: shouldn't happen, LLC_CONN_PRIM "
- "is gone for ->ind()...\n", __FUNCTION__);
- break;
- case LLC_DATA_PRIM:
- dprintk("%s: shouldn't happen, LLC_DATA_PRIM "
- "is gone for ->ind()...\n", __FUNCTION__);
- break;
- case LLC_DISC_PRIM:
- dprintk("%s: shouldn't happen, LLC_DISC_PRIM "
- "is gone for ->ind()...\n", __FUNCTION__);
- break;
- case LLC_RESET_PRIM:
- default: break;
- }
- return 0;
-}
-
-/**
- * llc_ui_confirm - LLC user interface hook into the LLC layer
- * @prim: Primitive block provided by the llc layer.
- *
- * LLC user interface hook into the LLC layer, every llc_ui sap references
- * this function as its confirm handler.
- * Always returns 0 to indicate reception of primitive.
- */
-static int llc_ui_confirm(struct llc_prim_if_block *prim)
-{
- switch (prim->prim) {
- case LLC_CONN_PRIM:
- dprintk("%s: shouldn't happen, LLC_CONN_PRIM "
- "is gone for ->conf()...\n", __FUNCTION__);
- break;
- case LLC_DATA_PRIM:
- dprintk("%s: shouldn't happen, LLC_DATA_PRIM "
- "is gone for ->conf()...\n", __FUNCTION__);
- break;
- case LLC_DISC_PRIM:
- dprintk("%s: shouldn't happen, LLC_DISC_PRIM "
- "is gone for ->conf()...\n", __FUNCTION__);
- break;
- case LLC_RESET_PRIM: break;
- default:
- printk(KERN_ERR "%s: prim not supported%d\n", __FUNCTION__,
- prim->prim);
- break;
- }
- return 0;
-}
-
#ifdef CONFIG_PROC_FS
#define MAC_FORMATTED_SIZE 17
static void llc_ui_format_mac(char *bf, unsigned char *mac)