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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 12:50:52 +07:00
[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>
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4bedb45203
@ -944,9 +944,9 @@ static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb)
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/* And provide the already calculated phcs */
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if (ip_hdr(skb)->protocol == IPPROTO_UDP) {
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flags |= TXFCB_UDP;
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fcb->phcs = skb->h.uh->check;
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fcb->phcs = udp_hdr(skb)->check;
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} else
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fcb->phcs = skb->h.th->check;
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fcb->phcs = udp_hdr(skb)->check;
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/* l3os is the distance between the start of the
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* frame (skb->data) and the start of the IP hdr.
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@ -1422,7 +1422,7 @@ static int ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev)
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csoff = ETH_HLEN + (ih->ihl << 2);
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if (proto == IPPROTO_UDP) {
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csoff += offsetof(struct udphdr, check);
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skb->h.uh->check = csum;
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udp_hdr(skb)->check = csum;
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}
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if (proto == IPPROTO_TCP) {
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csoff += offsetof(struct tcphdr, check);
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@ -1166,7 +1166,7 @@ static void eth_tx_submit_descs_for_skb(struct mv643xx_private *mp,
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switch (ip_hdr(skb)->protocol) {
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case IPPROTO_UDP:
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cmd_sts |= ETH_UDP_FRAME;
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desc->l4i_chk = skb->h.uh->check;
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desc->l4i_chk = udp_hdr(skb)->check;
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break;
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case IPPROTO_TCP:
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desc->l4i_chk = skb->h.th->check;
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@ -238,7 +238,6 @@ struct sk_buff {
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union {
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struct tcphdr *th;
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struct udphdr *uh;
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struct icmphdr *icmph;
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struct iphdr *ipiph;
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struct ipv6hdr *ipv6h;
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@ -26,6 +26,15 @@ struct udphdr {
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__sum16 check;
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};
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#ifdef __KERNEL__
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#include <linux/skbuff.h>
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static inline struct udphdr *udp_hdr(const struct sk_buff *skb)
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{
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return (struct udphdr *)skb->h.raw;
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}
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#endif
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/* UDP socket options */
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#define UDP_CORK 1 /* Never send partially complete segments */
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#define UDP_ENCAP 100 /* Set the socket to accept encapsulated packets */
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@ -101,7 +101,7 @@ static inline int udplite_sender_cscov(struct udp_sock *up, struct udphdr *uh)
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static inline __wsum udplite_csum_outgoing(struct sock *sk, struct sk_buff *skb)
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{
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int cscov = udplite_sender_cscov(udp_sk(sk), skb->h.uh);
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int cscov = udplite_sender_cscov(udp_sk(sk), udp_hdr(skb));
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__wsum csum = 0;
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skb->ip_summed = CHECKSUM_NONE; /* no HW support for checksumming */
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@ -296,7 +296,9 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
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memcpy(skb->data, msg, len);
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skb->len += len;
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skb->h.uh = udph = (struct udphdr *) skb_push(skb, sizeof(*udph));
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skb_push(skb, sizeof(*udph));
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skb_reset_transport_header(skb);
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udph = udp_hdr(skb);
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udph->source = htons(np->local_port);
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udph->dest = htons(np->remote_port);
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udph->len = htons(udp_len);
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@ -2392,7 +2392,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
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skb->dev = odev;
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skb->pkt_type = PACKET_HOST;
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skb->nh.raw = (unsigned char *)iph;
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skb->h.uh = udph;
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skb->h.raw = (unsigned char *)udph;
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if (pkt_dev->nfrags <= 0)
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pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
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@ -2737,7 +2737,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
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skb->dev = odev;
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skb->pkt_type = PACKET_HOST;
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skb->nh.raw = (unsigned char *)iph;
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skb->h.uh = udph;
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skb->h.raw = (unsigned char *)udph;
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if (pkt_dev->nfrags <= 0)
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pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
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@ -420,7 +420,7 @@ static void udp4_hwcsum_outgoing(struct sock *sk, struct sk_buff *skb,
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__be32 src, __be32 dst, int len )
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{
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unsigned int offset;
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struct udphdr *uh = skb->h.uh;
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struct udphdr *uh = udp_hdr(skb);
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__wsum csum = 0;
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if (skb_queue_len(&sk->sk_write_queue) == 1) {
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@ -470,7 +470,7 @@ static int udp_push_pending_frames(struct sock *sk)
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/*
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* Create a UDP header
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*/
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uh = skb->h.uh;
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uh = udp_hdr(skb);
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uh->source = fl->fl_ip_sport;
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uh->dest = fl->fl_ip_dport;
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uh->len = htons(up->len);
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@ -866,7 +866,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
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if (sin)
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{
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sin->sin_family = AF_INET;
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sin->sin_port = skb->h.uh->source;
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sin->sin_port = udp_hdr(skb)->source;
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sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
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memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
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}
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@ -949,7 +949,7 @@ static int udp_encap_rcv(struct sock * sk, struct sk_buff *skb)
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return 1;
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/* Now we can get the pointers */
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uh = skb->h.uh;
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uh = udp_hdr(skb);
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udpdata = (__u8 *)uh + sizeof(struct udphdr);
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udpdata32 = (__be32 *)udpdata;
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@ -1207,7 +1207,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
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int proto)
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{
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struct sock *sk;
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struct udphdr *uh = skb->h.uh;
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struct udphdr *uh = udp_hdr(skb);
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unsigned short ulen;
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struct rtable *rt = (struct rtable*)skb->dst;
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__be32 saddr = ip_hdr(skb)->saddr;
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@ -1227,7 +1227,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
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/* UDP validates ulen. */
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if (ulen < sizeof(*uh) || pskb_trim_rcsum(skb, ulen))
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goto short_packet;
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uh = skb->h.uh;
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uh = udp_hdr(skb);
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}
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if (udp4_csum_init(skb, uh, proto))
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@ -172,7 +172,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
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sin6 = (struct sockaddr_in6 *) msg->msg_name;
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sin6->sin6_family = AF_INET6;
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sin6->sin6_port = skb->h.uh->source;
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sin6->sin6_port = udp_hdr(skb)->source;
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sin6->sin6_flowinfo = 0;
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sin6->sin6_scope_id = 0;
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@ -346,7 +346,7 @@ static int __udp6_lib_mcast_deliver(struct sk_buff *skb, struct in6_addr *saddr,
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struct in6_addr *daddr, struct hlist_head udptable[])
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{
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struct sock *sk, *sk2;
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const struct udphdr *uh = skb->h.uh;
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const struct udphdr *uh = udp_hdr(skb);
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int dif;
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read_lock(&udp_hash_lock);
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@ -420,7 +420,7 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[],
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saddr = &ipv6_hdr(skb)->saddr;
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daddr = &ipv6_hdr(skb)->daddr;
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uh = skb->h.uh;
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uh = udp_hdr(skb);
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ulen = ntohs(uh->len);
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if (ulen > skb->len)
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@ -441,7 +441,7 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[],
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goto short_packet;
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saddr = &ipv6_hdr(skb)->saddr;
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daddr = &ipv6_hdr(skb)->daddr;
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uh = skb->h.uh;
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uh = udp_hdr(skb);
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}
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}
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@ -534,7 +534,7 @@ static int udp_v6_push_pending_frames(struct sock *sk)
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/*
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* Create a UDP header
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*/
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uh = skb->h.uh;
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uh = udp_hdr(skb);
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uh->source = fl->fl_ip_sport;
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uh->dest = fl->fl_ip_dport;
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uh->len = htons(up->len);
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@ -229,10 +229,10 @@ int rxrpc_connection_lookup(struct rxrpc_peer *peer,
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_enter("%p{{%hu}},%u,%hu",
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peer,
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peer->trans->port,
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ntohs(pkt->h.uh->source),
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ntohs(udp_hdr(pkt)->source),
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ntohs(msg->hdr.serviceId));
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x_port = pkt->h.uh->source;
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x_port = udp_hdr(pkt)->source;
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x_epoch = msg->hdr.epoch;
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x_clflag = msg->hdr.flags & RXRPC_CLIENT_INITIATED;
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x_connid = htonl(ntohl(msg->hdr.cid) & RXRPC_CIDMASK);
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@ -479,7 +479,7 @@ void rxrpc_trans_receive_packet(struct rxrpc_transport *trans)
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}
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addr = ip_hdr(pkt)->saddr;
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port = pkt->h.uh->source;
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port = udp_hdr(pkt)->source;
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_net("Rx Received UDP packet from %08x:%04hu",
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ntohl(addr), ntohs(port));
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@ -625,7 +625,7 @@ int rxrpc_trans_immediate_abort(struct rxrpc_transport *trans,
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memset(&sin,0,sizeof(sin));
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sin.sin_family = AF_INET;
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sin.sin_port = msg->pkt->h.uh->source;
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sin.sin_port = udp_hdr(msg->pkt)->source;
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sin.sin_addr.s_addr = ip_hdr(msg->pkt)->saddr;
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msghdr.msg_name = &sin;
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