#include "dynamic-string.h"
#include "ofpbuf.h"
#include "ovs-thread.h"
+#include "odp-util.h"
#include "unaligned.h"
const struct in6_addr in6addr_exact = IN6ADDR_EXACT_INIT;
if (ovsthread_once_start(&once)) {
hmap_init(&addrs);
for (node = nodes; node < &nodes[ARRAY_SIZE(nodes)]; node++) {
- hmap_insert(&addrs, &node->hmap_node,
- hash_2words(node->ea64, node->ea64 >> 32));
+ hmap_insert(&addrs, &node->hmap_node, hash_uint64(node->ea64));
}
ovsthread_once_done(&once);
}
ea64 = eth_addr_to_uint64(ea);
- HMAP_FOR_EACH_IN_BUCKET (node, hmap_node, hash_2words(ea64, ea64 >> 32),
- &addrs) {
+ HMAP_FOR_EACH_IN_BUCKET (node, hmap_node, hash_uint64(ea64), &addrs) {
if (node->ea64 == ea64) {
return true;
}
return;
}
+ set_ethertype(packet, ethtype);
+
if (!is_mpls(packet)) {
- /* Set ethtype and MPLS label stack entry. */
- set_ethertype(packet, ethtype);
+ /* Set MPLS label stack entry. */
packet->l2_5 = packet->l3;
}
{
struct ip_header *nh = packet->l3;
ovs_be32 old_addr = get_16aligned_be32(addr);
+ size_t l4_size = ofpbuf_get_l4_size(packet);
- if (nh->ip_proto == IPPROTO_TCP && packet->l7) {
+ if (nh->ip_proto == IPPROTO_TCP && l4_size >= TCP_HEADER_LEN) {
struct tcp_header *th = packet->l4;
th->tcp_csum = recalc_csum32(th->tcp_csum, old_addr, new_addr);
- } else if (nh->ip_proto == IPPROTO_UDP && packet->l7) {
+ } else if (nh->ip_proto == IPPROTO_UDP && l4_size >= UDP_HEADER_LEN ) {
struct udp_header *uh = packet->l4;
if (uh->udp_csum) {
packet_update_csum128(struct ofpbuf *packet, uint8_t proto,
ovs_16aligned_be32 addr[4], const ovs_be32 new_addr[4])
{
- if (proto == IPPROTO_TCP && packet->l7) {
+ size_t l4_size = ofpbuf_get_l4_size(packet);
+
+ if (proto == IPPROTO_TCP && l4_size >= TCP_HEADER_LEN) {
struct tcp_header *th = packet->l4;
th->tcp_csum = recalc_csum128(th->tcp_csum, addr, new_addr);
- } else if (proto == IPPROTO_UDP && packet->l7) {
+ } else if (proto == IPPROTO_UDP && l4_size >= UDP_HEADER_LEN) {
struct udp_header *uh = packet->l4;
if (uh->udp_csum) {
sh->sctp_csum = old_csum ^ old_correct_csum ^ new_csum;
}
-/* If 'packet' is a TCP packet, returns the TCP flags. Otherwise, returns 0.
- *
- * 'flow' must be the flow corresponding to 'packet' and 'packet''s header
- * pointers must be properly initialized (e.g. with flow_extract()). */
-uint16_t
-packet_get_tcp_flags(const struct ofpbuf *packet, const struct flow *flow)
-{
- if (dl_type_is_ip_any(flow->dl_type) &&
- flow->nw_proto == IPPROTO_TCP && packet->l7) {
- const struct tcp_header *tcp = packet->l4;
- return TCP_FLAGS(tcp->tcp_ctl);
- } else {
- return 0;
- }
-}
-
const char *
packet_tcp_flag_to_string(uint32_t flag)
{
}
/* Appends a string representation of the TCP flags value 'tcp_flags'
- * (e.g. obtained via packet_get_tcp_flags() or TCP_FLAGS) to 's', in the
+ * (e.g. from struct flow.tcp_flags or obtained via TCP_FLAGS) to 's', in the
* format used by tcpdump. */
void
packet_format_tcp_flags(struct ds *s, uint16_t tcp_flags)