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[SK_BUFF]: Introduce udp_hdr(), remove skb->h.uh 

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-13 14:28:48 -03:00 committed by David S. Miller
parent d9edf9e2be
commit 4bedb45203
12 changed files with 34 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/gianfar.c
View File

@ -944,9 +944,9 @@ static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb)
/* And provide the already calculated phcs */
if (ip_hdr(skb)->protocol == IPPROTO_UDP) {
flags |= TXFCB_UDP;
fcb->phcs = skb->h.uh->check;
fcb->phcs = udp_hdr(skb)->check;
} else
fcb->phcs = skb->h.th->check;
fcb->phcs = udp_hdr(skb)->check;
/* l3os is the distance between the start of the
* frame (skb->data) and the start of the IP hdr.

2
drivers/net/ioc3-eth.c
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@ -1422,7 +1422,7 @@ static int ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev)
csoff = ETH_HLEN + (ih->ihl << 2);
if (proto == IPPROTO_UDP) {
csoff += offsetof(struct udphdr, check);
skb->h.uh->check = csum;
udp_hdr(skb)->check = csum;
}
if (proto == IPPROTO_TCP) {
csoff += offsetof(struct tcphdr, check);

2
drivers/net/mv643xx_eth.c
View File

@ -1166,7 +1166,7 @@ static void eth_tx_submit_descs_for_skb(struct mv643xx_private *mp,
switch (ip_hdr(skb)->protocol) {
case IPPROTO_UDP:
cmd_sts |= ETH_UDP_FRAME;
desc->l4i_chk = skb->h.uh->check;
desc->l4i_chk = udp_hdr(skb)->check;
break;
case IPPROTO_TCP:
desc->l4i_chk = skb->h.th->check;

1
include/linux/skbuff.h
View File

@ -238,7 +238,6 @@ struct sk_buff {
union {
struct tcphdr *th;
struct udphdr *uh;
struct icmphdr *icmph;
struct iphdr *ipiph;
struct ipv6hdr *ipv6h;

9
include/linux/udp.h
View File

@ -26,6 +26,15 @@ struct udphdr {
__sum16 check;
};
#ifdef __KERNEL__
#include <linux/skbuff.h>
static inline struct udphdr *udp_hdr(const struct sk_buff *skb)
{
return (struct udphdr *)skb->h.raw;
}
#endif
/* UDP socket options */
#define UDP_CORK 1 /* Never send partially complete segments */
#define UDP_ENCAP 100 /* Set the socket to accept encapsulated packets */

2
include/net/udplite.h
View File

@ -101,7 +101,7 @@ static inline int udplite_sender_cscov(struct udp_sock *up, struct udphdr *uh)
static inline __wsum udplite_csum_outgoing(struct sock *sk, struct sk_buff *skb)
{
int cscov = udplite_sender_cscov(udp_sk(sk), skb->h.uh);
int cscov = udplite_sender_cscov(udp_sk(sk), udp_hdr(skb));
__wsum csum = 0;
skb->ip_summed = CHECKSUM_NONE; /* no HW support for checksumming */

4
net/core/netpoll.c
View File

@ -296,7 +296,9 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
memcpy(skb->data, msg, len);
skb->len += len;
skb->h.uh = udph = (struct udphdr *) skb_push(skb, sizeof(*udph));
skb_push(skb, sizeof(*udph));
skb_reset_transport_header(skb);
udph = udp_hdr(skb);
udph->source = htons(np->local_port);
udph->dest = htons(np->remote_port);
udph->len = htons(udp_len);

4
net/core/pktgen.c
View File

@ -2392,7 +2392,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
skb->dev = odev;
skb->pkt_type = PACKET_HOST;
skb->nh.raw = (unsigned char *)iph;
skb->h.uh = udph;
skb->h.raw = (unsigned char *)udph;
if (pkt_dev->nfrags <= 0)
pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
@ -2737,7 +2737,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
skb->dev = odev;
skb->pkt_type = PACKET_HOST;
skb->nh.raw = (unsigned char *)iph;
skb->h.uh = udph;
skb->h.raw = (unsigned char *)udph;
if (pkt_dev->nfrags <= 0)
pgh = (struct pktgen_hdr *)skb_put(skb, datalen);

12
net/ipv4/udp.c
View File

@ -420,7 +420,7 @@ static void udp4_hwcsum_outgoing(struct sock *sk, struct sk_buff *skb,
__be32 src, __be32 dst, int len )
{
unsigned int offset;
struct udphdr *uh = skb->h.uh;
struct udphdr *uh = udp_hdr(skb);
__wsum csum = 0;
if (skb_queue_len(&sk->sk_write_queue) == 1) {
@ -470,7 +470,7 @@ static int udp_push_pending_frames(struct sock *sk)
/*
* Create a UDP header
*/
uh = skb->h.uh;
uh = udp_hdr(skb);
uh->source = fl->fl_ip_sport;
uh->dest = fl->fl_ip_dport;
uh->len = htons(up->len);
@ -866,7 +866,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
if (sin)
{
sin->sin_family = AF_INET;
sin->sin_port = skb->h.uh->source;
sin->sin_port = udp_hdr(skb)->source;
sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
@ -949,7 +949,7 @@ static int udp_encap_rcv(struct sock * sk, struct sk_buff *skb)
return 1;
/* Now we can get the pointers */
uh = skb->h.uh;
uh = udp_hdr(skb);
udpdata = (__u8 *)uh + sizeof(struct udphdr);
udpdata32 = (__be32 *)udpdata;
@ -1207,7 +1207,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
int proto)
{
struct sock *sk;
struct udphdr *uh = skb->h.uh;
struct udphdr *uh = udp_hdr(skb);
unsigned short ulen;
struct rtable *rt = (struct rtable*)skb->dst;
__be32 saddr = ip_hdr(skb)->saddr;
@ -1227,7 +1227,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
/* UDP validates ulen. */
if (ulen < sizeof(*uh) || pskb_trim_rcsum(skb, ulen))
goto short_packet;
uh = skb->h.uh;
uh = udp_hdr(skb);
}
if (udp4_csum_init(skb, uh, proto))

10
net/ipv6/udp.c
View File

@ -172,7 +172,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
sin6 = (struct sockaddr_in6 *) msg->msg_name;
sin6->sin6_family = AF_INET6;
sin6->sin6_port = skb->h.uh->source;
sin6->sin6_port = udp_hdr(skb)->source;
sin6->sin6_flowinfo = 0;
sin6->sin6_scope_id = 0;
@ -346,7 +346,7 @@ static int __udp6_lib_mcast_deliver(struct sk_buff *skb, struct in6_addr *saddr,
struct in6_addr *daddr, struct hlist_head udptable[])
{
struct sock *sk, *sk2;
const struct udphdr *uh = skb->h.uh;
const struct udphdr *uh = udp_hdr(skb);
int dif;
read_lock(&udp_hash_lock);
@ -420,7 +420,7 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[],
saddr = &ipv6_hdr(skb)->saddr;
daddr = &ipv6_hdr(skb)->daddr;
uh = skb->h.uh;
uh = udp_hdr(skb);
ulen = ntohs(uh->len);
if (ulen > skb->len)
@ -441,7 +441,7 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[],
goto short_packet;
saddr = &ipv6_hdr(skb)->saddr;
daddr = &ipv6_hdr(skb)->daddr;
uh = skb->h.uh;
uh = udp_hdr(skb);
}
}
@ -534,7 +534,7 @@ static int udp_v6_push_pending_frames(struct sock *sk)
/*
* Create a UDP header
*/
uh = skb->h.uh;
uh = udp_hdr(skb);
uh->source = fl->fl_ip_sport;
uh->dest = fl->fl_ip_dport;
uh->len = htons(up->len);

4
net/rxrpc/connection.c
View File

@ -229,10 +229,10 @@ int rxrpc_connection_lookup(struct rxrpc_peer *peer,
_enter("%p{{%hu}},%u,%hu",
peer,
peer->trans->port,
ntohs(pkt->h.uh->source),
ntohs(udp_hdr(pkt)->source),
ntohs(msg->hdr.serviceId));
x_port = pkt->h.uh->source;
x_port = udp_hdr(pkt)->source;
x_epoch = msg->hdr.epoch;
x_clflag = msg->hdr.flags & RXRPC_CLIENT_INITIATED;
x_connid = htonl(ntohl(msg->hdr.cid) & RXRPC_CIDMASK);

4
net/rxrpc/transport.c
View File

@ -479,7 +479,7 @@ void rxrpc_trans_receive_packet(struct rxrpc_transport *trans)
}
addr = ip_hdr(pkt)->saddr;
port = pkt->h.uh->source;
port = udp_hdr(pkt)->source;
_net("Rx Received UDP packet from %08x:%04hu",
ntohl(addr), ntohs(port));
@ -625,7 +625,7 @@ int rxrpc_trans_immediate_abort(struct rxrpc_transport *trans,
memset(&sin,0,sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = msg->pkt->h.uh->source;
sin.sin_port = udp_hdr(msg->pkt)->source;
sin.sin_addr.s_addr = ip_hdr(msg->pkt)->saddr;
msghdr.msg_name = &sin;