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

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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
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4
drivers/net/gianfar.c
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@ -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
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@ -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
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@ -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
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@ -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;