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Message-Id: <1206691188-10938-1-git-send-email-joonwpark81@gmail.com>
Date: Fri, 28 Mar 2008 16:59:48 +0900
From: Joonwoo Park <joonwpark81@...il.com>
To: davem@...emloft.net
Cc: Joonwoo Park <joonwpark81@...il.com>, netdev@...r.kernel.org
Subject: [PATCH 3/3] [LLC]: station source mac address
kill unnecessary llc_station_mac_sa.
Signed-off-by: Joonwoo Park <joonwpark81@...il.com>
---
include/net/llc.h | 1 -
net/llc/llc_core.c | 8 +-------
net/llc/llc_station.c | 6 +++---
3 files changed, 4 insertions(+), 11 deletions(-)
diff --git a/include/net/llc.h b/include/net/llc.h
index f502458..7940da1 100644
--- a/include/net/llc.h
+++ b/include/net/llc.h
@@ -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);
diff --git a/net/llc/llc_core.c b/net/llc/llc_core.c
index 248b590..00de27c 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;
diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c
index 5c592e4..83da133 100644
--- a/net/llc/llc_station.c
+++ b/net/llc/llc_station.c
@@ -260,7 +260,7 @@ 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);
@@ -285,7 +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);
@@ -314,7 +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);
--
1.5.4.3
--
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