C++ (Cpp) eth_addr_equals Examples

Example #1

File: flow.c Project: enukane/ovs

/* Returns true if 'a' and 'b' represent the same wildcards, false if they are
 * different. */
bool
flow_wildcards_equal(const struct flow_wildcards *a,
                     const struct flow_wildcards *b)
{
    int i;

    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 14);

    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
        || a->metadata_mask != b->metadata_mask
        || !ipv6_addr_equals(&a->ipv6_src_mask, &b->ipv6_src_mask)
        || !ipv6_addr_equals(&a->ipv6_dst_mask, &b->ipv6_dst_mask)
        || a->ipv6_label_mask != b->ipv6_label_mask
        || !ipv6_addr_equals(&a->nd_target_mask, &b->nd_target_mask)
        || a->tp_src_mask != b->tp_src_mask
        || a->tp_dst_mask != b->tp_dst_mask
        || !eth_addr_equals(a->dl_src_mask, b->dl_src_mask)
        || !eth_addr_equals(a->dl_dst_mask, b->dl_dst_mask)
        || !eth_addr_equals(a->arp_sha_mask, b->arp_sha_mask)
        || !eth_addr_equals(a->arp_tha_mask, b->arp_tha_mask)) {
        return false;
    }

    for (i = 0; i < FLOW_N_REGS; i++) {
        if (a->reg_masks[i] != b->reg_masks[i]) {
            return false;
        }
    }

    return true;
}

Example #2

File: mac-learning.c Project: InCNTRE/OFTT

static struct mac_entry *
search_bucket(struct list *bucket, const uint8_t mac[ETH_ADDR_LEN],
              uint16_t vlan)
{
    struct mac_entry *e;
    LIST_FOR_EACH (e, struct mac_entry, hash_node, bucket) {
        if (eth_addr_equals(e->mac, mac) && e->vlan == vlan) {
            return e;
        }
    }
    return NULL;
}

Example #3

File: flow.c Project: leihnwong/lazyctrl

/* Returns true if at least one bit or field is wildcarded in 'a' but not in
 * 'b', false otherwise. */
bool
flow_wildcards_has_extra(const struct flow_wildcards *a,
                         const struct flow_wildcards *b)
{
    int i;
    uint8_t eth_masked[ETH_ADDR_LEN];
    struct in6_addr ipv6_masked;

    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 14);

    for (i = 0; i < FLOW_N_REGS; i++) {
        if ((a->reg_masks[i] & b->reg_masks[i]) != b->reg_masks[i]) {
            return true;
        }
    }

    eth_addr_bitand(a->dl_src_mask, b->dl_src_mask, eth_masked);
    if (!eth_addr_equals(eth_masked, b->dl_src_mask)) {
        return true;
    }

    eth_addr_bitand(a->dl_dst_mask, b->dl_dst_mask, eth_masked);
    if (!eth_addr_equals(eth_masked, b->dl_dst_mask)) {
        return true;
    }

    eth_addr_bitand(a->arp_sha_mask, b->arp_sha_mask, eth_masked);
    if (!eth_addr_equals(eth_masked, b->arp_sha_mask)) {
        return true;
    }

    eth_addr_bitand(a->arp_tha_mask, b->arp_tha_mask, eth_masked);
    if (!eth_addr_equals(eth_masked, b->arp_tha_mask)) {
        return true;
    }

    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;
    }

    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;
    }

    ipv6_masked = ipv6_addr_bitand(&a->nd_target_mask, &b->nd_target_mask);
    if (!ipv6_addr_equals(&ipv6_masked, &b->nd_target_mask)) {
        return true;
    }

    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->ipv6_label_mask & b->ipv6_label_mask) != b->ipv6_label_mask
            || (a->vlan_tci_mask & b->vlan_tci_mask) != b->vlan_tci_mask
            || (a->metadata_mask & b->metadata_mask) != b->metadata_mask
            || (a->tp_src_mask & b->tp_src_mask) != b->tp_src_mask
            || (a->tp_dst_mask & b->tp_dst_mask) != b->tp_dst_mask
            || (a->nw_frag_mask & b->nw_frag_mask) != b->nw_frag_mask);
}