diff options
Diffstat (limited to 'lib/meta-flow.c')
| -rw-r--r-- | lib/meta-flow.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/meta-flow.c b/lib/meta-flow.c index c576ae620..474344194 100644 --- a/lib/meta-flow.c +++ b/lib/meta-flow.c @@ -3676,3 +3676,28 @@ mf_bitmap_not(struct mf_bitmap x) bitmap_not(x.bm, MFF_N_IDS); return x; } + +void +mf_set_mask_l3_prereqs(const struct mf_field *mf, const struct flow *fl, + struct flow_wildcards *wc) +{ + if (is_ip_any(fl) && + ((mf->id == MFF_IPV4_SRC) || + (mf->id == MFF_IPV4_DST) || + (mf->id == MFF_IPV6_SRC) || + (mf->id == MFF_IPV6_DST) || + (mf->id == MFF_IPV6_LABEL) || + (mf->id == MFF_IP_DSCP) || + (mf->id == MFF_IP_ECN) || + (mf->id == MFF_IP_TTL))) { + WC_MASK_FIELD(wc, nw_proto); + } else if ((fl->dl_type == htons(ETH_TYPE_ARP)) && + ((mf->id == MFF_ARP_OP) || + (mf->id == MFF_ARP_SHA) || + (mf->id == MFF_ARP_THA) || + (mf->id == MFF_ARP_SPA) || + (mf->id == MFF_ARP_TPA))) { + /* mask only the lower 8 bits. */ + wc->masks.nw_proto = 0xff; + } +} |