/* Fields in a rule. */
#define CLS_FIELDS \
- /* struct flow all-caps */ \
- /* FWW_* bit(s) member name name */ \
- /* -------------------------- ----------- -------- */ \
- CLS_FIELD(0, tun_id, TUN_ID) \
- CLS_FIELD(0, metadata, METADATA) \
- CLS_FIELD(0, nw_src, NW_SRC) \
- CLS_FIELD(0, nw_dst, NW_DST) \
- CLS_FIELD(FWW_IN_PORT, in_port, IN_PORT) \
- CLS_FIELD(0, vlan_tci, VLAN_TCI) \
- CLS_FIELD(FWW_DL_TYPE, dl_type, DL_TYPE) \
- CLS_FIELD(0, tp_src, TP_SRC) \
- CLS_FIELD(0, tp_dst, TP_DST) \
- CLS_FIELD(0, dl_src, DL_SRC) \
- CLS_FIELD(0, dl_dst, DL_DST) \
- CLS_FIELD(FWW_NW_PROTO, nw_proto, NW_PROTO) \
- CLS_FIELD(FWW_NW_DSCP, nw_tos, NW_DSCP)
+ /* struct flow all-caps */ \
+ /* member name name */ \
+ /* ----------- -------- */ \
+ CLS_FIELD(tun_id, TUN_ID) \
+ CLS_FIELD(metadata, METADATA) \
+ CLS_FIELD(nw_src, NW_SRC) \
+ CLS_FIELD(nw_dst, NW_DST) \
+ CLS_FIELD(in_port, IN_PORT) \
+ CLS_FIELD(vlan_tci, VLAN_TCI) \
+ CLS_FIELD(dl_type, DL_TYPE) \
+ CLS_FIELD(tp_src, TP_SRC) \
+ CLS_FIELD(tp_dst, TP_DST) \
+ CLS_FIELD(dl_src, DL_SRC) \
+ CLS_FIELD(dl_dst, DL_DST) \
+ CLS_FIELD(nw_proto, NW_PROTO) \
+ CLS_FIELD(nw_tos, NW_DSCP)
/* Field indexes.
*
* (These are also indexed into struct classifier's 'tables' array.) */
enum {
-#define CLS_FIELD(WILDCARDS, MEMBER, NAME) CLS_F_IDX_##NAME,
+#define CLS_FIELD(MEMBER, NAME) CLS_F_IDX_##NAME,
CLS_FIELDS
#undef CLS_FIELD
CLS_N_FIELDS
struct cls_field {
int ofs; /* Offset in struct flow. */
int len; /* Length in bytes. */
- flow_wildcards_t wildcards; /* FWW_* bit or bits for this field. */
const char *name; /* Name (for debugging). */
};
static const struct cls_field cls_fields[CLS_N_FIELDS] = {
-#define CLS_FIELD(WILDCARDS, MEMBER, NAME) \
+#define CLS_FIELD(MEMBER, NAME) \
{ offsetof(struct flow, MEMBER), \
sizeof ((struct flow *)0)->MEMBER, \
- WILDCARDS, \
#NAME },
CLS_FIELDS
#undef CLS_FIELD
{
size_t i;
- assert(!flow_wildcards_is_exact(&rule->cls_rule.wc)
- || rule->cls_rule.priority == UINT_MAX);
for (i = 0; i < tcls->n_rules; i++) {
const struct cls_rule *pos = &tcls->rules[i]->cls_rule;
if (cls_rule_equal(pos, &rule->cls_rule)) {
int f_idx;
for (f_idx = 0; f_idx < CLS_N_FIELDS; f_idx++) {
- const struct cls_field *f = &cls_fields[f_idx];
bool eq;
- if (f->wildcards) {
- void *wild_field = (char *) &wild->flow + f->ofs;
- void *fixed_field = (char *) fixed + f->ofs;
- eq = ((wild->wc.wildcards & f->wildcards) == f->wildcards
- || !memcmp(wild_field, fixed_field, f->len));
- } else if (f_idx == CLS_F_IDX_NW_SRC) {
- eq = !((fixed->nw_src ^ wild->flow.nw_src) & wild->wc.nw_src_mask);
+ if (f_idx == CLS_F_IDX_NW_SRC) {
+ eq = !((fixed->nw_src ^ wild->flow.nw_src)
+ & wild->wc.masks.nw_src);
} else if (f_idx == CLS_F_IDX_NW_DST) {
- eq = !((fixed->nw_dst ^ wild->flow.nw_dst) & wild->wc.nw_dst_mask);
+ eq = !((fixed->nw_dst ^ wild->flow.nw_dst)
+ & wild->wc.masks.nw_dst);
} else if (f_idx == CLS_F_IDX_TP_SRC) {
- eq = !((fixed->tp_src ^ wild->flow.tp_src) & wild->wc.tp_src_mask);
+ eq = !((fixed->tp_src ^ wild->flow.tp_src)
+ & wild->wc.masks.tp_src);
} else if (f_idx == CLS_F_IDX_TP_DST) {
- eq = !((fixed->tp_dst ^ wild->flow.tp_dst) & wild->wc.tp_dst_mask);
+ eq = !((fixed->tp_dst ^ wild->flow.tp_dst)
+ & wild->wc.masks.tp_dst);
} else if (f_idx == CLS_F_IDX_DL_SRC) {
eq = eth_addr_equal_except(fixed->dl_src, wild->flow.dl_src,
- wild->wc.dl_src_mask);
+ wild->wc.masks.dl_src);
} else if (f_idx == CLS_F_IDX_DL_DST) {
eq = eth_addr_equal_except(fixed->dl_dst, wild->flow.dl_dst,
- wild->wc.dl_dst_mask);
+ wild->wc.masks.dl_dst);
} else if (f_idx == CLS_F_IDX_VLAN_TCI) {
eq = !((fixed->vlan_tci ^ wild->flow.vlan_tci)
- & wild->wc.vlan_tci_mask);
+ & wild->wc.masks.vlan_tci);
} else if (f_idx == CLS_F_IDX_TUN_ID) {
- eq = !((fixed->tun_id ^ wild->flow.tun_id) & wild->wc.tun_id_mask);
+ eq = !((fixed->tun_id ^ wild->flow.tun_id)
+ & wild->wc.masks.tun_id);
} else if (f_idx == CLS_F_IDX_METADATA) {
eq = !((fixed->metadata ^ wild->flow.metadata)
- & wild->wc.metadata_mask);
+ & wild->wc.masks.metadata);
} else if (f_idx == CLS_F_IDX_NW_DSCP) {
- eq = !((fixed->nw_tos ^ wild->flow.nw_tos) & IP_DSCP_MASK);
+ eq = !((fixed->nw_tos ^ wild->flow.nw_tos) &
+ (wild->wc.masks.nw_tos & IP_DSCP_MASK));
+ } else if (f_idx == CLS_F_IDX_NW_PROTO) {
+ eq = !((fixed->nw_proto ^ wild->flow.nw_proto)
+ & wild->wc.masks.nw_proto);
+ } else if (f_idx == CLS_F_IDX_DL_TYPE) {
+ eq = !((fixed->dl_type ^ wild->flow.dl_type)
+ & wild->wc.masks.dl_type);
+ } else if (f_idx == CLS_F_IDX_IN_PORT) {
+ eq = !((fixed->in_port ^ wild->flow.in_port)
+ & wild->wc.masks.in_port);
} else {
NOT_REACHED();
}
unsigned int x;
x = rand () % N_FLOW_VALUES;
+ memset(&flow, 0, sizeof flow);
flow.nw_src = nw_src_values[get_value(&x, N_NW_SRC_VALUES)];
flow.nw_dst = nw_dst_values[get_value(&x, N_NW_DST_VALUES)];
flow.tun_id = tun_id_values[get_value(&x, N_TUN_ID_VALUES)];
memcpy((char *) &rule->cls_rule.flow + f->ofs,
values[f_idx][value_idx], f->len);
- if (f->wildcards) {
- rule->cls_rule.wc.wildcards &= ~f->wildcards;
- } else if (f_idx == CLS_F_IDX_NW_SRC) {
- rule->cls_rule.wc.nw_src_mask = htonl(UINT32_MAX);
+ if (f_idx == CLS_F_IDX_NW_SRC) {
+ rule->cls_rule.wc.masks.nw_src = htonl(UINT32_MAX);
} else if (f_idx == CLS_F_IDX_NW_DST) {
- rule->cls_rule.wc.nw_dst_mask = htonl(UINT32_MAX);
+ rule->cls_rule.wc.masks.nw_dst = htonl(UINT32_MAX);
} else if (f_idx == CLS_F_IDX_TP_SRC) {
- rule->cls_rule.wc.tp_src_mask = htons(UINT16_MAX);
+ rule->cls_rule.wc.masks.tp_src = htons(UINT16_MAX);
} else if (f_idx == CLS_F_IDX_TP_DST) {
- rule->cls_rule.wc.tp_dst_mask = htons(UINT16_MAX);
+ rule->cls_rule.wc.masks.tp_dst = htons(UINT16_MAX);
} else if (f_idx == CLS_F_IDX_DL_SRC) {
- memset(rule->cls_rule.wc.dl_src_mask, 0xff, ETH_ADDR_LEN);
+ memset(rule->cls_rule.wc.masks.dl_src, 0xff, ETH_ADDR_LEN);
} else if (f_idx == CLS_F_IDX_DL_DST) {
- memset(rule->cls_rule.wc.dl_dst_mask, 0xff, ETH_ADDR_LEN);
+ memset(rule->cls_rule.wc.masks.dl_dst, 0xff, ETH_ADDR_LEN);
} else if (f_idx == CLS_F_IDX_VLAN_TCI) {
- rule->cls_rule.wc.vlan_tci_mask = htons(UINT16_MAX);
+ rule->cls_rule.wc.masks.vlan_tci = htons(UINT16_MAX);
} else if (f_idx == CLS_F_IDX_TUN_ID) {
- rule->cls_rule.wc.tun_id_mask = htonll(UINT64_MAX);
+ rule->cls_rule.wc.masks.tun_id = htonll(UINT64_MAX);
} else if (f_idx == CLS_F_IDX_METADATA) {
- rule->cls_rule.wc.metadata_mask = htonll(UINT64_MAX);
+ rule->cls_rule.wc.masks.metadata = htonll(UINT64_MAX);
+ } else if (f_idx == CLS_F_IDX_NW_DSCP) {
+ rule->cls_rule.wc.masks.nw_tos |= IP_DSCP_MASK;
+ } else if (f_idx == CLS_F_IDX_NW_PROTO) {
+ rule->cls_rule.wc.masks.nw_proto = UINT8_MAX;
+ } else if (f_idx == CLS_F_IDX_DL_TYPE) {
+ rule->cls_rule.wc.masks.dl_type = htons(UINT16_MAX);
+ } else if (f_idx == CLS_F_IDX_IN_PORT) {
+ rule->cls_rule.wc.masks.in_port = UINT16_MAX;
} else {
NOT_REACHED();
}
int n = 0;
while (x) {
- x &= x - 1;
+ x = zero_rightmost_1bit(x);
n++;
}