xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[NET]: Kill skb->real_dev

Browse Source 
Bonding just wants the device before the skb_bond()
decapsulation occurs, so simply pass that original
device into packet_type->func() as an argument.

It remains to be seen whether we can use this same
exact thing to get rid of skb->input_dev as well.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2005-08-09 19:34:12 -07:00
committed by David S. Miller
parent b6b99eb540
commit f2ccd8fa06
45 changed files with 96 additions and 91 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
net/802/p8022.c
View File

@@ -35,7 +35,8 @@ static int p8022_request(struct datalink_proto *dl, struct sk_buff *skb,
struct datalink_proto *register_8022_client(unsigned char type,
int (*func)(struct sk_buff *skb,
struct net_device *dev,
struct packet_type *pt))
struct packet_type *pt,
struct net_device *orig_dev))
{
struct datalink_proto *proto;

7
net/802/psnap.c
View File

@@ -47,7 +47,7 @@ static struct datalink_proto *find_snap_client(unsigned char *desc)
* A SNAP packet has arrived
*/
static int snap_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt)
struct packet_type *pt, struct net_device *orig_dev)
{
int rc = 1;
struct datalink_proto *proto;
@@ -61,7 +61,7 @@ static int snap_rcv(struct sk_buff *skb, struct net_device *dev,
/* Pass the frame on. */
skb->h.raw += 5;
skb_pull(skb, 5);
rc = proto->rcvfunc(skb, dev, &snap_packet_type);
rc = proto->rcvfunc(skb, dev, &snap_packet_type, orig_dev);
} else {
skb->sk = NULL;
kfree_skb(skb);
@@ -118,7 +118,8 @@ module_exit(snap_exit);
struct datalink_proto *register_snap_client(unsigned char *desc,
int (*rcvfunc)(struct sk_buff *,
struct net_device *,
struct packet_type *))
struct packet_type *,
struct net_device *))
{
struct datalink_proto *proto = NULL;

2
net/8021q/vlan.h
View File

@@ -51,7 +51,7 @@ struct net_device *__find_vlan_dev(struct net_device* real_dev,
/* found in vlan_dev.c */
int vlan_dev_rebuild_header(struct sk_buff *skb);
int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type* ptype);
struct packet_type *ptype, struct net_device *orig_dev);
int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type, void *daddr, void *saddr,
unsigned len);

2
net/8021q/vlan_dev.c
View File

@@ -113,7 +113,7 @@ static inline struct sk_buff *vlan_check_reorder_header(struct sk_buff *skb)
*
*/
int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type* ptype)
struct packet_type* ptype, struct net_device *orig_dev)
{
unsigned char *rawp = NULL;
struct vlan_hdr *vhdr = (struct vlan_hdr *)(skb->data);

2
net/appletalk/aarp.c
View File

@@ -698,7 +698,7 @@ static void __aarp_resolved(struct aarp_entry **list, struct aarp_entry *a,
* frame. We currently only support Ethernet.
*/
static int aarp_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt)
struct packet_type *pt, struct net_device *orig_dev)
{
struct elapaarp *ea = aarp_hdr(skb);
int hash, ret = 0;

6
net/appletalk/ddp.c
View File

@@ -1390,7 +1390,7 @@ free_it:
* [ie ARPHRD_ETHERTALK]
*/
static int atalk_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt)
struct packet_type *pt, struct net_device *orig_dev)
{
struct ddpehdr *ddp;
struct sock *sock;
@@ -1482,7 +1482,7 @@ freeit:
* header and append a long one.
*/
static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt)
struct packet_type *pt, struct net_device *orig_dev)
{
/* Expand any short form frames */
if (skb->mac.raw[2] == 1) {
@@ -1528,7 +1528,7 @@ static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
}
skb->h.raw = skb->data;
return atalk_rcv(skb, dev, pt);
return atalk_rcv(skb, dev, pt, orig_dev);
freeit:
kfree_skb(skb);
return 0;

8
net/ax25/ax25_in.c
View File

@@ -132,7 +132,7 @@ int ax25_rx_iframe(ax25_cb *ax25, struct sk_buff *skb)
skb->dev = ax25->ax25_dev->dev;
skb->pkt_type = PACKET_HOST;
skb->protocol = htons(ETH_P_IP);
ip_rcv(skb, skb->dev, NULL); /* Wrong ptype */
ip_rcv(skb, skb->dev, NULL, skb->dev); /* Wrong ptype */
return 1;
}
#endif
@@ -258,7 +258,7 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
skb->dev = dev;
skb->pkt_type = PACKET_HOST;
skb->protocol = htons(ETH_P_IP);
ip_rcv(skb, dev, ptype); /* Note ptype here is the wrong one, fix me later */
ip_rcv(skb, dev, ptype, dev); /* Note ptype here is the wrong one, fix me later */
break;
case AX25_P_ARP:
@@ -268,7 +268,7 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
skb->dev = dev;
skb->pkt_type = PACKET_HOST;
skb->protocol = htons(ETH_P_ARP);
arp_rcv(skb, dev, ptype); /* Note ptype here is wrong... */
arp_rcv(skb, dev, ptype, dev); /* Note ptype here is wrong... */
break;
#endif
case AX25_P_TEXT:
@@ -454,7 +454,7 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
* Receive an AX.25 frame via a SLIP interface.
*/
int ax25_kiss_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype)
struct packet_type *ptype, struct net_device *orig_dev)
{
skb->sk = NULL; /* Initially we don't know who it's for */
skb->destructor = NULL; /* Who initializes this, dammit?! */

35
net/core/dev.c
View File

@@ -1058,7 +1058,7 @@ void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
skb2->h.raw = skb2->nh.raw;
skb2->pkt_type = PACKET_OUTGOING;
ptype->func(skb2, skb->dev, ptype);
ptype->func(skb2, skb->dev, ptype, skb->dev);
}
}
rcu_read_unlock();
@@ -1425,14 +1425,14 @@ int netif_rx_ni(struct sk_buff *skb)
EXPORT_SYMBOL(netif_rx_ni);
static __inline__ void skb_bond(struct sk_buff *skb)
static inline struct net_device *skb_bond(struct sk_buff *skb)
{
struct net_device *dev = skb->dev;
if (dev->master) {
skb->real_dev = skb->dev;
if (dev->master)
skb->dev = dev->master;
}
return dev;
}
static void net_tx_action(struct softirq_action *h)
@@ -1482,10 +1482,11 @@ static void net_tx_action(struct softirq_action *h)
}
static __inline__ int deliver_skb(struct sk_buff *skb,
struct packet_type *pt_prev)
struct packet_type *pt_prev,
struct net_device *orig_dev)
{
atomic_inc(&skb->users);
return pt_prev->func(skb, skb->dev, pt_prev);
return pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
}
#if defined(CONFIG_BRIDGE) || defined (CONFIG_BRIDGE_MODULE)
@@ -1496,7 +1497,8 @@ struct net_bridge_fdb_entry *(*br_fdb_get_hook)(struct net_bridge *br,
void (*br_fdb_put_hook)(struct net_bridge_fdb_entry *ent);
static __inline__ int handle_bridge(struct sk_buff **pskb,
struct packet_type **pt_prev, int *ret)
struct packet_type **pt_prev, int *ret,
struct net_device *orig_dev)
{
struct net_bridge_port *port;
@@ -1505,14 +1507,14 @@ static __inline__ int handle_bridge(struct sk_buff **pskb,
return 0;
if (*pt_prev) {
*ret = deliver_skb(*pskb, *pt_prev);
*ret = deliver_skb(*pskb, *pt_prev, orig_dev);
*pt_prev = NULL;
}
return br_handle_frame_hook(port, pskb);
}
#else
#define handle_bridge(skb, pt_prev, ret) (0)
#define handle_bridge(skb, pt_prev, ret, orig_dev) (0)
#endif
#ifdef CONFIG_NET_CLS_ACT
@@ -1559,6 +1561,7 @@ static int ing_filter(struct sk_buff *skb)
int netif_receive_skb(struct sk_buff *skb)
{
struct packet_type *ptype, *pt_prev;
struct net_device *orig_dev;
int ret = NET_RX_DROP;
unsigned short type;
@@ -1569,7 +1572,7 @@ int netif_receive_skb(struct sk_buff *skb)
if (!skb->stamp.tv_sec)
net_timestamp(&skb->stamp);
skb_bond(skb);
orig_dev = skb_bond(skb);
__get_cpu_var(netdev_rx_stat).total++;
@@ -1590,14 +1593,14 @@ int netif_receive_skb(struct sk_buff *skb)
list_for_each_entry_rcu(ptype, &ptype_all, list) {
if (!ptype->dev || ptype->dev == skb->dev) {
if (pt_prev)
ret = deliver_skb(skb, pt_prev);
ret = deliver_skb(skb, pt_prev, orig_dev);
pt_prev = ptype;
}
}
#ifdef CONFIG_NET_CLS_ACT
if (pt_prev) {
ret = deliver_skb(skb, pt_prev);
ret = deliver_skb(skb, pt_prev, orig_dev);
pt_prev = NULL; /* noone else should process this after*/
} else {
skb->tc_verd = SET_TC_OK2MUNGE(skb->tc_verd);
@@ -1616,7 +1619,7 @@ ncls:
handle_diverter(skb);
if (handle_bridge(&skb, &pt_prev, &ret))
if (handle_bridge(&skb, &pt_prev, &ret, orig_dev))
goto out;
type = skb->protocol;
@@ -1624,13 +1627,13 @@ ncls:
if (ptype->type == type &&
(!ptype->dev || ptype->dev == skb->dev)) {
if (pt_prev)
ret = deliver_skb(skb, pt_prev);
ret = deliver_skb(skb, pt_prev, orig_dev);
pt_prev = ptype;
}
}
if (pt_prev) {
ret = pt_prev->func(skb, skb->dev, pt_prev);
ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
} else {
kfree_skb(skb);
/* Jamal, now you will not able to escape explaining

2
net/core/skbuff.c
View File

@@ -333,7 +333,6 @@ struct sk_buff *skb_clone(struct sk_buff *skb, unsigned int __nocast gfp_mask)
n->sk = NULL;
C(stamp);
C(dev);
C(real_dev);
C(h);
C(nh);
C(mac);
@@ -397,7 +396,6 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
new->sk = NULL;
new->dev = old->dev;
new->real_dev = old->real_dev;
new->priority = old->priority;
new->protocol = old->protocol;
new->dst = dst_clone(old->dst);

2
net/decnet/af_decnet.c
View File

@@ -2064,7 +2064,7 @@ static struct notifier_block dn_dev_notifier = {
.notifier_call = dn_device_event,
};
extern int dn_route_rcv(struct sk_buff *, struct net_device *, struct packet_type *);
extern int dn_route_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
static struct packet_type dn_dix_packet_type = {
.type = __constant_htons(ETH_P_DNA_RT),

2
net/decnet/dn_route.c
View File

@@ -572,7 +572,7 @@ static int dn_route_ptp_hello(struct sk_buff *skb)
return NET_RX_SUCCESS;
}
int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
struct dn_skb_cb *cb;
unsigned char flags = 0;

2
net/econet/af_econet.c
View File

@@ -1009,7 +1009,7 @@ release:
* Receive an Econet frame from a device.
*/
static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
struct ec_framehdr *hdr;
struct sock *sk;

4
net/ipv4/arp.c
View File

@@ -700,7 +700,7 @@ void arp_send(int type, int ptype, u32 dest_ip,
static void parp_redo(struct sk_buff *skb)
{
nf_reset(skb);
arp_rcv(skb, skb->dev, NULL);
arp_rcv(skb, skb->dev, NULL, skb->dev);
}
/*
@@ -927,7 +927,7 @@ out:
* Receive an arp request from the device layer.
*/
int arp_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
int arp_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
struct arphdr *arp;

2
net/ipv4/ip_input.c
View File

@@ -358,7 +358,7 @@ drop:
/*
* Main IP Receive routine.
*/
int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
struct iphdr *iph;

8
net/ipv4/ipconfig.c
View File

@@ -393,7 +393,7 @@ static int __init ic_defaults(void)
#ifdef IPCONFIG_RARP
static int ic_rarp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt);
static int ic_rarp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev);
static struct packet_type rarp_packet_type __initdata = {
.type = __constant_htons(ETH_P_RARP),
@@ -414,7 +414,7 @@ static inline void ic_rarp_cleanup(void)
* Process received RARP packet.
*/
static int __init
ic_rarp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
ic_rarp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
struct arphdr *rarp;
unsigned char *rarp_ptr;
@@ -555,7 +555,7 @@ struct bootp_pkt { /* BOOTP packet format */
#define DHCPRELEASE 7
#define DHCPINFORM 8
static int ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt);
static int ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev);
static struct packet_type bootp_packet_type __initdata = {
.type = __constant_htons(ETH_P_IP),
@@ -823,7 +823,7 @@ static void __init ic_do_bootp_ext(u8 *ext)
/*
* Receive BOOTP reply.
*/
static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
struct bootp_pkt *b;
struct iphdr *h;

2
net/ipv6/ip6_input.c
View File

@@ -56,7 +56,7 @@ static inline int ip6_rcv_finish( struct sk_buff *skb)
return dst_input(skb);
}
int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
struct ipv6hdr *hdr;
u32 pkt_len;

2
net/ipx/af_ipx.c
View File

@@ -1627,7 +1627,7 @@ out:
return rc;
}
static int ipx_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
static int ipx_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
/* NULL here for pt means the packet was looped back */
struct ipx_interface *intrfc;

2
net/irda/irlap_frame.c
View File

@@ -1303,7 +1303,7 @@ static void irlap_recv_test_frame(struct irlap_cb *self, struct sk_buff *skb,
* Jean II
*/
int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype)
struct packet_type *ptype, struct net_device *orig_dev)
{
struct irlap_info info;
struct irlap_cb *self;

2
net/irda/irmod.c
View File

@@ -54,7 +54,7 @@ extern int irsock_init(void);
extern void irsock_cleanup(void);
/* irlap_frame.c */
extern int irlap_driver_rcv(struct sk_buff *, struct net_device *,
struct packet_type *);
struct packet_type *, struct net_device *);
/*
* Module parameters

3
net/llc/llc_core.c
View File

@@ -103,7 +103,8 @@ out:
struct llc_sap *llc_sap_open(unsigned char lsap,
int (*func)(struct sk_buff *skb,
struct net_device *dev,
struct packet_type *pt))
struct packet_type *pt,
struct net_device *orig_dev))
{
struct llc_sap *sap = llc_sap_find(lsap);

4
net/llc/llc_input.c
View File

@@ -132,7 +132,7 @@ static inline int llc_fixup_skb(struct sk_buff *skb)
* 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 net_device *orig_dev)
{
struct llc_sap *sap;
struct llc_pdu_sn *pdu;
@@ -165,7 +165,7 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev,
* LLC functionality
*/
if (sap->rcv_func) {
sap->rcv_func(skb, dev, pt);
sap->rcv_func(skb, dev, pt, orig_dev);
goto out;
}
dest = llc_pdu_type(skb);

2
net/netrom/nr_dev.c
View File

@@ -64,7 +64,7 @@ int nr_rx_ip(struct sk_buff *skb, struct net_device *dev)
skb->nh.raw = skb->data;
skb->pkt_type = PACKET_HOST;
ip_rcv(skb, skb->dev, NULL);
ip_rcv(skb, skb->dev, NULL, skb->dev);
return 1;
}

6
net/packet/af_packet.c
View File

@@ -241,7 +241,7 @@ static struct proto_ops packet_ops;
#ifdef CONFIG_SOCK_PACKET
static struct proto_ops packet_ops_spkt;
static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
struct sock *sk;
struct sockaddr_pkt *spkt;
@@ -441,7 +441,7 @@ static inline unsigned run_filter(struct sk_buff *skb, struct sock *sk, unsigned
we will not harm anyone.
*/
static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
struct sock *sk;
struct sockaddr_ll *sll;
@@ -546,7 +546,7 @@ drop:
}
#ifdef CONFIG_PACKET_MMAP
static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
struct sock *sk;
struct packet_sock *po;

2
net/x25/x25_dev.c
View File

@@ -81,7 +81,7 @@ static int x25_receive_data(struct sk_buff *skb, struct x25_neigh *nb)
}
int x25_lapb_receive_frame(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype)
struct packet_type *ptype, struct net_device *orig_dev)
{
struct sk_buff *nskb;
struct x25_neigh *nb;