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[LLC]: station source mac address 

kill unnecessary llc_station_mac_sa.

Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joonwoo Park 2008-03-28 16:28:36 -07:00 committed by David S. Miller
parent 27785d83e4
commit a5a04819c5
3 changed files with 4 additions and 11 deletions
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1
include/net/llc.h
View File

@ -65,7 +65,6 @@ struct llc_sap {
extern struct list_head llc_sap_list;
extern rwlock_t llc_sap_list_lock;
extern unsigned char llc_station_mac_sa[ETH_ALEN];
extern int llc_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev);

8
net/llc/llc_core.c
View File

@ -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;

6
net/llc/llc_station.c
View File

@ -259,7 +259,7 @@ static int llc_station_ac_send_null_dsap_xid_c(struct sk_buff *skb)
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);
@ -283,7 +283,7 @@ 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);
@ -307,7 +307,7 @@ 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);