/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <string.h>
#include "byte-order.h"
#include "coverage.h"
+#include "csum.h"
#include "dynamic-string.h"
#include "hash.h"
#include "ofpbuf.h"
|| (nexthdr == IPPROTO_DSTOPTS)) {
/* These headers, while different, have the fields we care about
* in the same location and with the same interpretation. */
- const struct ip6_ext *ext_hdr = (struct ip6_ext *)packet->data;
+ const struct ip6_ext *ext_hdr = packet->data;
nexthdr = ext_hdr->ip6e_nxt;
if (!ofpbuf_try_pull(packet, (ext_hdr->ip6e_len + 1) * 8)) {
return EINVAL;
* we care about are in the same location as the generic
* option header--only the header length is calculated
* differently. */
- const struct ip6_ext *ext_hdr = (struct ip6_ext *)packet->data;
+ const struct ip6_ext *ext_hdr = packet->data;
nexthdr = ext_hdr->ip6e_nxt;
if (!ofpbuf_try_pull(packet, (ext_hdr->ip6e_len + 2) * 4)) {
return EINVAL;
}
} else if (nexthdr == IPPROTO_FRAGMENT) {
- const struct ip6_frag *frag_hdr = (struct ip6_frag *)packet->data;
+ const struct ip6_frag *frag_hdr = packet->data;
nexthdr = frag_hdr->ip6f_nxt;
if (!ofpbuf_try_pull(packet, sizeof *frag_hdr)) {
}
-/* Initializes 'flow' members from 'packet', 'tun_id', and 'ofp_in_port'.
+/* Initializes 'flow' members from 'packet', 'skb_priority', 'tun_id', and
+ * 'ofp_in_port'.
+ *
* Initializes 'packet' header pointers as follows:
*
* - packet->l2 to the start of the Ethernet header.
* present and has a correct length, and otherwise NULL.
*/
void
-flow_extract(struct ofpbuf *packet, uint32_t priority, ovs_be64 tun_id,
+flow_extract(struct ofpbuf *packet, uint32_t skb_priority, ovs_be64 tun_id,
uint16_t ofp_in_port, struct flow *flow)
{
struct ofpbuf b = *packet;
memset(flow, 0, sizeof *flow);
flow->tun_id = tun_id;
flow->in_port = ofp_in_port;
- flow->priority = priority;
+ flow->skb_priority = skb_priority;
packet->l2 = b.data;
packet->l3 = NULL;
void
flow_zero_wildcards(struct flow *flow, const struct flow_wildcards *wildcards)
{
- const flow_wildcards_t wc = wildcards->wildcards;
- int i;
+ uint32_t *flow_u32 = (uint32_t *) flow;
+ const uint32_t *wc_u32 = (const uint32_t *) &wildcards->masks;
+ size_t i;
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7);
-
- for (i = 0; i < FLOW_N_REGS; i++) {
- flow->regs[i] &= wildcards->reg_masks[i];
- }
- flow->tun_id &= wildcards->tun_id_mask;
- flow->nw_src &= wildcards->nw_src_mask;
- flow->nw_dst &= wildcards->nw_dst_mask;
- if (wc & FWW_IN_PORT) {
- flow->in_port = 0;
- }
- flow->vlan_tci &= wildcards->vlan_tci_mask;
- if (wc & FWW_DL_TYPE) {
- flow->dl_type = htons(0);
- }
- if (wc & FWW_TP_SRC) {
- flow->tp_src = htons(0);
- }
- if (wc & FWW_TP_DST) {
- flow->tp_dst = htons(0);
- }
- if (wc & FWW_DL_SRC) {
- memset(flow->dl_src, 0, sizeof flow->dl_src);
- }
- if (wc & FWW_DL_DST) {
- flow->dl_dst[0] &= 0x01;
- memset(&flow->dl_dst[1], 0, 5);
- }
- if (wc & FWW_ETH_MCAST) {
- flow->dl_dst[0] &= 0xfe;
- }
- if (wc & FWW_NW_PROTO) {
- flow->nw_proto = 0;
- }
- if (wc & FWW_IPV6_LABEL) {
- flow->ipv6_label = htonl(0);
- }
- if (wc & FWW_NW_DSCP) {
- flow->nw_tos &= ~IP_DSCP_MASK;
+ for (i = 0; i < FLOW_U32S; i++) {
+ flow_u32[i] &= wc_u32[i];
}
- if (wc & FWW_NW_ECN) {
- flow->nw_tos &= ~IP_ECN_MASK;
- }
- if (wc & FWW_NW_TTL) {
- flow->nw_ttl = 0;
- }
- flow->nw_frag &= wildcards->nw_frag_mask;
- if (wc & FWW_ARP_SHA) {
- memset(flow->arp_sha, 0, sizeof flow->arp_sha);
- }
- if (wc & FWW_ARP_THA) {
- memset(flow->arp_tha, 0, sizeof flow->arp_tha);
- }
- flow->ipv6_src = ipv6_addr_bitand(&flow->ipv6_src,
- &wildcards->ipv6_src_mask);
- flow->ipv6_dst = ipv6_addr_bitand(&flow->ipv6_dst,
- &wildcards->ipv6_dst_mask);
- if (wc & FWW_ND_TARGET) {
- memset(&flow->nd_target, 0, sizeof flow->nd_target);
- }
- flow->priority = 0;
+}
+
+/* Initializes 'fmd' with the metadata found in 'flow'. */
+void
+flow_get_metadata(const struct flow *flow, struct flow_metadata *fmd)
+{
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 17);
+
+ fmd->tun_id = flow->tun_id;
+ fmd->metadata = flow->metadata;
+ memcpy(fmd->regs, flow->regs, sizeof fmd->regs);
+ fmd->in_port = flow->in_port;
}
char *
void
flow_format(struct ds *ds, const struct flow *flow)
{
- ds_put_format(ds, "priority%"PRIu32
- ":tunnel%#"PRIx64
- ":in_port%04"PRIx16,
- flow->priority,
+ ds_put_format(ds, "priority:%"PRIu32
+ ",tunnel:%#"PRIx64
+ ",metadata:%#"PRIx64
+ ",in_port:%04"PRIx16,
+ flow->skb_priority,
ntohll(flow->tun_id),
+ ntohll(flow->metadata),
flow->in_port);
- ds_put_format(ds, ":tci(");
+ ds_put_format(ds, ",tci(");
if (flow->vlan_tci) {
- ds_put_format(ds, "vlan%"PRIu16",pcp%d",
+ ds_put_format(ds, "vlan:%"PRIu16",pcp:%d",
vlan_tci_to_vid(flow->vlan_tci),
vlan_tci_to_pcp(flow->vlan_tci));
} else {
ds_put_char(ds, '0');
}
- ds_put_format(ds, ") mac"ETH_ADDR_FMT"->"ETH_ADDR_FMT
- " type%04"PRIx16,
+ ds_put_format(ds, ") mac("ETH_ADDR_FMT"->"ETH_ADDR_FMT
+ ") type:%04"PRIx16,
ETH_ADDR_ARGS(flow->dl_src),
ETH_ADDR_ARGS(flow->dl_dst),
ntohs(flow->dl_type));
if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
- ds_put_format(ds, " label%#"PRIx32" proto%"PRIu8" tos%#"PRIx8
- " ttl%"PRIu8" ipv6",
+ ds_put_format(ds, " label:%#"PRIx32" proto:%"PRIu8" tos:%#"PRIx8
+ " ttl:%"PRIu8" ipv6(",
ntohl(flow->ipv6_label), flow->nw_proto,
flow->nw_tos, flow->nw_ttl);
print_ipv6_addr(ds, &flow->ipv6_src);
ds_put_cstr(ds, "->");
print_ipv6_addr(ds, &flow->ipv6_dst);
-
+ ds_put_char(ds, ')');
} else {
- ds_put_format(ds, " proto%"PRIu8" tos%#"PRIx8" ttl%"PRIu8
- " ip"IP_FMT"->"IP_FMT,
- flow->nw_proto, flow->nw_tos, flow->nw_ttl,
- IP_ARGS(&flow->nw_src), IP_ARGS(&flow->nw_dst));
+ ds_put_format(ds, " proto:%"PRIu8" tos:%#"PRIx8" ttl:%"PRIu8
+ " ip("IP_FMT"->"IP_FMT")",
+ flow->nw_proto, flow->nw_tos, flow->nw_ttl,
+ IP_ARGS(&flow->nw_src), IP_ARGS(&flow->nw_dst));
}
if (flow->nw_frag) {
ds_put_format(ds, " frag(%s)",
? "later" : "<error>");
}
if (flow->tp_src || flow->tp_dst) {
- ds_put_format(ds, " port%"PRIu16"->%"PRIu16,
+ ds_put_format(ds, " port(%"PRIu16"->%"PRIu16")",
ntohs(flow->tp_src), ntohs(flow->tp_dst));
}
if (!eth_addr_is_zero(flow->arp_sha) || !eth_addr_is_zero(flow->arp_tha)) {
- ds_put_format(ds, " arp_ha"ETH_ADDR_FMT"->"ETH_ADDR_FMT,
+ ds_put_format(ds, " arp_ha("ETH_ADDR_FMT"->"ETH_ADDR_FMT")",
ETH_ADDR_ARGS(flow->arp_sha),
ETH_ADDR_ARGS(flow->arp_tha));
}
void
flow_wildcards_init_catchall(struct flow_wildcards *wc)
{
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7);
-
- wc->wildcards = FWW_ALL;
- wc->tun_id_mask = htonll(0);
- wc->nw_src_mask = htonl(0);
- wc->nw_dst_mask = htonl(0);
- wc->ipv6_src_mask = in6addr_any;
- wc->ipv6_dst_mask = in6addr_any;
- memset(wc->reg_masks, 0, sizeof wc->reg_masks);
- wc->vlan_tci_mask = htons(0);
- wc->nw_frag_mask = 0;
- memset(wc->zeros, 0, sizeof wc->zeros);
+ memset(&wc->masks, 0, sizeof wc->masks);
}
/* Initializes 'wc' as an exact-match set of wildcards; that is, 'wc' does not
void
flow_wildcards_init_exact(struct flow_wildcards *wc)
{
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7);
-
- wc->wildcards = 0;
- wc->tun_id_mask = htonll(UINT64_MAX);
- wc->nw_src_mask = htonl(UINT32_MAX);
- wc->nw_dst_mask = htonl(UINT32_MAX);
- wc->ipv6_src_mask = in6addr_exact;
- wc->ipv6_dst_mask = in6addr_exact;
- memset(wc->reg_masks, 0xff, sizeof wc->reg_masks);
- wc->vlan_tci_mask = htons(UINT16_MAX);
- wc->nw_frag_mask = UINT8_MAX;
- memset(wc->zeros, 0, sizeof wc->zeros);
-}
-
-/* Returns true if 'wc' is exact-match, false if 'wc' wildcards any bits or
- * fields. */
-bool
-flow_wildcards_is_exact(const struct flow_wildcards *wc)
-{
- int i;
-
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7);
-
- if (wc->wildcards
- || wc->tun_id_mask != htonll(UINT64_MAX)
- || wc->nw_src_mask != htonl(UINT32_MAX)
- || wc->nw_dst_mask != htonl(UINT32_MAX)
- || wc->vlan_tci_mask != htons(UINT16_MAX)
- || !ipv6_mask_is_exact(&wc->ipv6_src_mask)
- || !ipv6_mask_is_exact(&wc->ipv6_dst_mask)
- || wc->nw_frag_mask != UINT8_MAX) {
- return false;
- }
-
- for (i = 0; i < FLOW_N_REGS; i++) {
- if (wc->reg_masks[i] != UINT32_MAX) {
- return false;
- }
- }
-
- return true;
+ memset(&wc->masks, 0xff, sizeof wc->masks);
+ memset(wc->masks.zeros, 0, sizeof wc->masks.zeros);
}
/* Returns true if 'wc' matches every packet, false if 'wc' fixes any bits or
bool
flow_wildcards_is_catchall(const struct flow_wildcards *wc)
{
- int i;
-
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7);
-
- if (wc->wildcards != FWW_ALL
- || wc->tun_id_mask != htonll(0)
- || wc->nw_src_mask != htonl(0)
- || wc->nw_dst_mask != htonl(0)
- || wc->vlan_tci_mask != htons(0)
- || !ipv6_mask_is_any(&wc->ipv6_src_mask)
- || !ipv6_mask_is_any(&wc->ipv6_dst_mask)
- || wc->nw_frag_mask != 0) {
- return false;
- }
+ const uint32_t *wc_u32 = (const uint32_t *) &wc->masks;
+ size_t i;
- for (i = 0; i < FLOW_N_REGS; i++) {
- if (wc->reg_masks[i] != 0) {
+ for (i = 0; i < FLOW_U32S; i++) {
+ if (wc_u32[i]) {
return false;
}
}
-
return true;
}
const struct flow_wildcards *src1,
const struct flow_wildcards *src2)
{
- int i;
+ uint32_t *dst_u32 = (uint32_t *) &dst->masks;
+ const uint32_t *src1_u32 = (const uint32_t *) &src1->masks;
+ const uint32_t *src2_u32 = (const uint32_t *) &src2->masks;
+ size_t i;
- dst->wildcards = src1->wildcards | src2->wildcards;
- dst->tun_id_mask = src1->tun_id_mask & src2->tun_id_mask;
- dst->nw_src_mask = src1->nw_src_mask & src2->nw_src_mask;
- dst->nw_dst_mask = src1->nw_dst_mask & src2->nw_dst_mask;
- dst->ipv6_src_mask = ipv6_addr_bitand(&src1->ipv6_src_mask,
- &src2->ipv6_src_mask);
- dst->ipv6_dst_mask = ipv6_addr_bitand(&src1->ipv6_dst_mask,
- &src2->ipv6_dst_mask);
- for (i = 0; i < FLOW_N_REGS; i++) {
- dst->reg_masks[i] = src1->reg_masks[i] & src2->reg_masks[i];
+ for (i = 0; i < FLOW_U32S; i++) {
+ dst_u32[i] = src1_u32[i] & src2_u32[i];
}
- dst->vlan_tci_mask = src1->vlan_tci_mask & src2->vlan_tci_mask;
}
/* Returns a hash of the wildcards in 'wc'. */
uint32_t
flow_wildcards_hash(const struct flow_wildcards *wc, uint32_t basis)
{
- /* If you change struct flow_wildcards and thereby trigger this
- * assertion, please check that the new struct flow_wildcards has no holes
- * in it before you update the assertion. */
- BUILD_ASSERT_DECL(sizeof *wc == 60 + FLOW_N_REGS * 4);
- return hash_bytes(wc, sizeof *wc, basis);
+ return flow_hash(&wc->masks, basis);;
}
/* Returns true if 'a' and 'b' represent the same wildcards, false if they are
flow_wildcards_equal(const struct flow_wildcards *a,
const struct flow_wildcards *b)
{
- int i;
-
- if (a->wildcards != b->wildcards
- || a->tun_id_mask != b->tun_id_mask
- || a->nw_src_mask != b->nw_src_mask
- || a->nw_dst_mask != b->nw_dst_mask
- || a->vlan_tci_mask != b->vlan_tci_mask
- || !ipv6_addr_equals(&a->ipv6_src_mask, &b->ipv6_src_mask)
- || !ipv6_addr_equals(&a->ipv6_dst_mask, &b->ipv6_dst_mask)) {
- return false;
- }
-
- for (i = 0; i < FLOW_N_REGS; i++) {
- if (a->reg_masks[i] != b->reg_masks[i]) {
- return false;
- }
- }
-
- return true;
+ return flow_equal(&a->masks, &b->masks);
}
/* Returns true if at least one bit or field is wildcarded in 'a' but not in
flow_wildcards_has_extra(const struct flow_wildcards *a,
const struct flow_wildcards *b)
{
- int i;
- struct in6_addr ipv6_masked;
+ const uint32_t *a_u32 = (const uint32_t *) &a->masks;
+ const uint32_t *b_u32 = (const uint32_t *) &b->masks;
+ size_t i;
- for (i = 0; i < FLOW_N_REGS; i++) {
- if ((a->reg_masks[i] & b->reg_masks[i]) != b->reg_masks[i]) {
+ for (i = 0; i < FLOW_U32S; i++) {
+ if ((a_u32[i] & b_u32[i]) != b_u32[i]) {
return true;
}
}
+ return false;
+}
- ipv6_masked = ipv6_addr_bitand(&a->ipv6_src_mask, &b->ipv6_src_mask);
- if (!ipv6_addr_equals(&ipv6_masked, &b->ipv6_src_mask)) {
- return true;
- }
+/* Returns true if 'a' and 'b' are equal, except that 0-bits (wildcarded bits)
+ * in 'wc' do not need to be equal in 'a' and 'b'. */
+bool
+flow_equal_except(const struct flow *a, const struct flow *b,
+ const struct flow_wildcards *wc)
+{
+ const uint32_t *a_u32 = (const uint32_t *) a;
+ const uint32_t *b_u32 = (const uint32_t *) b;
+ const uint32_t *wc_u32 = (const uint32_t *) &wc->masks;
+ size_t i;
- ipv6_masked = ipv6_addr_bitand(&a->ipv6_dst_mask, &b->ipv6_dst_mask);
- if (!ipv6_addr_equals(&ipv6_masked, &b->ipv6_dst_mask)) {
- return true;
+ for (i = 0; i < FLOW_U32S; i++) {
+ if ((a_u32[i] ^ b_u32[i]) & wc_u32[i]) {
+ return false;
+ }
}
-
- return (a->wildcards & ~b->wildcards
- || (a->tun_id_mask & b->tun_id_mask) != b->tun_id_mask
- || (a->nw_src_mask & b->nw_src_mask) != b->nw_src_mask
- || (a->nw_dst_mask & b->nw_dst_mask) != b->nw_dst_mask
- || (a->vlan_tci_mask & b->vlan_tci_mask) != b->vlan_tci_mask);
+ return true;
}
/* Sets the wildcard mask for register 'idx' in 'wc' to 'mask'.
void
flow_wildcards_set_reg_mask(struct flow_wildcards *wc, int idx, uint32_t mask)
{
- wc->reg_masks[idx] = mask;
-}
-
-/* Returns the wildcard bitmask for the Ethernet destination address
- * that 'wc' specifies. The bitmask has a 0 in each bit that is wildcarded
- * and a 1 in each bit that must match. */
-const uint8_t *
-flow_wildcards_to_dl_dst_mask(flow_wildcards_t wc)
-{
- static const uint8_t no_wild[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
- static const uint8_t addr_wild[] = {0x01, 0x00, 0x00, 0x00, 0x00, 0x00};
- static const uint8_t mcast_wild[] = {0xfe, 0xff, 0xff, 0xff, 0xff, 0xff};
- static const uint8_t all_wild[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-
- switch (wc & (FWW_DL_DST | FWW_ETH_MCAST)) {
- case 0: return no_wild;
- case FWW_DL_DST: return addr_wild;
- case FWW_ETH_MCAST: return mcast_wild;
- case FWW_DL_DST | FWW_ETH_MCAST: return all_wild;
- }
- NOT_REACHED();
-}
-
-/* Returns true if 'mask' is a valid wildcard bitmask for the Ethernet
- * destination address. Valid bitmasks are either all-bits-0 or all-bits-1,
- * except that the multicast bit may differ from the rest of the bits. So,
- * there are four possible valid bitmasks:
- *
- * - 00:00:00:00:00:00
- * - 01:00:00:00:00:00
- * - fe:ff:ff:ff:ff:ff
- * - ff:ff:ff:ff:ff:ff
- *
- * All other bitmasks are invalid. */
-bool
-flow_wildcards_is_dl_dst_mask_valid(const uint8_t mask[ETH_ADDR_LEN])
-{
- switch (mask[0]) {
- case 0x00:
- case 0x01:
- return (mask[1] | mask[2] | mask[3] | mask[4] | mask[5]) == 0x00;
-
- case 0xfe:
- case 0xff:
- return (mask[1] & mask[2] & mask[3] & mask[4] & mask[5]) == 0xff;
-
- default:
- return false;
- }
-}
-
-/* Returns 'wc' with the FWW_DL_DST and FWW_ETH_MCAST bits modified
- * appropriately to match 'mask'.
- *
- * This function will assert-fail if 'mask' is invalid. Only 'mask' values
- * accepted by flow_wildcards_is_dl_dst_mask_valid() are allowed. */
-flow_wildcards_t
-flow_wildcards_set_dl_dst_mask(flow_wildcards_t wc,
- const uint8_t mask[ETH_ADDR_LEN])
-{
- assert(flow_wildcards_is_dl_dst_mask_valid(mask));
-
- switch (mask[0]) {
- case 0x00:
- return wc | FWW_DL_DST | FWW_ETH_MCAST;
-
- case 0x01:
- return (wc | FWW_DL_DST) & ~FWW_ETH_MCAST;
-
- case 0xfe:
- return (wc & ~FWW_DL_DST) | FWW_ETH_MCAST;
-
- case 0xff:
- return wc & ~(FWW_DL_DST | FWW_ETH_MCAST);
-
- default:
- NOT_REACHED();
- }
+ wc->masks.regs[idx] = mask;
}
/* Hashes 'flow' based on its L2 through L4 protocol information. */
};
ovs_be16 eth_type;
ovs_be16 vlan_tci;
- ovs_be16 tp_addr;
+ ovs_be16 tp_port;
uint8_t eth_addr[ETH_ADDR_LEN];
uint8_t ip_proto;
} fields;
fields.ipv4_addr = flow->nw_src ^ flow->nw_dst;
fields.ip_proto = flow->nw_proto;
if (fields.ip_proto == IPPROTO_TCP) {
- fields.tp_addr = flow->tp_src ^ flow->tp_dst;
+ fields.tp_port = flow->tp_src ^ flow->tp_dst;
}
} else if (fields.eth_type == htons(ETH_TYPE_IPV6)) {
const uint8_t *a = &flow->ipv6_src.s6_addr[0];
}
fields.ip_proto = flow->nw_proto;
if (fields.ip_proto == IPPROTO_TCP) {
- fields.tp_addr = flow->tp_src ^ flow->tp_dst;
+ fields.tp_port = flow->tp_src ^ flow->tp_dst;
}
}
return hash_bytes(&fields, sizeof fields, basis);
*
* - Other values of 'vid' should not be used. */
void
-flow_set_vlan_vid(struct flow *flow, ovs_be16 vid)
+flow_set_dl_vlan(struct flow *flow, ovs_be16 vid)
{
- if (vid == htons(OFP_VLAN_NONE)) {
+ if (vid == htons(OFP10_VLAN_NONE)) {
flow->vlan_tci = htons(0);
} else {
vid &= htons(VLAN_VID_MASK);
}
}
+/* Sets the VLAN VID that 'flow' matches to 'vid', which is interpreted as an
+ * OpenFlow 1.2 "vlan_vid" value, that is, the low 13 bits of 'vlan_tci' (VID
+ * plus CFI). */
+void
+flow_set_vlan_vid(struct flow *flow, ovs_be16 vid)
+{
+ ovs_be16 mask = htons(VLAN_VID_MASK | VLAN_CFI);
+ flow->vlan_tci &= ~mask;
+ flow->vlan_tci |= vid & mask;
+}
+
/* Sets the VLAN PCP that 'flow' matches to 'pcp', which should be in the
* range 0...7.
*
* 'flow'.
*
* (This is useful only for testing, obviously, and the packet isn't really
- * valid. It hasn't got any checksums filled in, for one, and lots of fields
+ * valid. It hasn't got some checksums filled in, for one, and lots of fields
* are just zeroed.) */
void
flow_compose(struct ofpbuf *b, const struct flow *flow)
}
if (flow->vlan_tci & htons(VLAN_CFI)) {
- eth_push_vlan(b, flow->vlan_tci & ~htons(VLAN_CFI));
+ eth_push_vlan(b, flow->vlan_tci);
}
if (flow->dl_type == htons(ETH_TYPE_IP)) {
b->l4 = icmp = ofpbuf_put_zeros(b, sizeof *icmp);
icmp->icmp_type = ntohs(flow->tp_src);
icmp->icmp_code = ntohs(flow->tp_dst);
+ icmp->icmp_csum = csum(icmp, ICMP_HEADER_LEN);
}
}
+ ip = b->l3;
ip->ip_tot_len = htons((uint8_t *) b->data + b->size
- (uint8_t *) b->l3);
+ ip->ip_csum = csum(ip, sizeof *ip);
} else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
/* XXX */
} else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
projects / openvswitch / blobdiff