X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fflow.c;h=778e84d0dbc307728ba411483b8dd4f9807b20c8;hb=6c0386119d614d5e26ca08cc3d8e527806b87ef9;hp=29714b1cea9c900e3ec766eda05c5212bbda2888;hpb=5d6c3af0fbff6c67f36c34f6e4c885f54de1bfe3;p=openvswitch diff --git a/lib/flow.c b/lib/flow.c index 29714b1c..778e84d0 100644 --- a/lib/flow.c +++ b/lib/flow.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -444,7 +444,7 @@ flow_zero_wildcards(struct flow *flow, const struct flow_wildcards *wildcards) const flow_wildcards_t wc = wildcards->wildcards; int i; - BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7); + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8); for (i = 0; i < FLOW_N_REGS; i++) { flow->regs[i] &= wildcards->reg_masks[i]; @@ -459,12 +459,8 @@ flow_zero_wildcards(struct flow *flow, const struct flow_wildcards *wildcards) 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); - } + flow->tp_src &= wildcards->tp_src_mask; + flow->tp_dst &= wildcards->tp_dst_mask; if (wc & FWW_DL_SRC) { memset(flow->dl_src, 0, sizeof flow->dl_src); } @@ -598,7 +594,7 @@ flow_print(FILE *stream, const struct flow *flow) void flow_wildcards_init_catchall(struct flow_wildcards *wc) { - BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7); + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8); wc->wildcards = FWW_ALL; wc->tun_id_mask = htonll(0); @@ -609,6 +605,8 @@ flow_wildcards_init_catchall(struct flow_wildcards *wc) memset(wc->reg_masks, 0, sizeof wc->reg_masks); wc->vlan_tci_mask = htons(0); wc->nw_frag_mask = 0; + wc->tp_src_mask = htons(0); + wc->tp_dst_mask = htons(0); memset(wc->zeros, 0, sizeof wc->zeros); } @@ -617,7 +615,7 @@ flow_wildcards_init_catchall(struct flow_wildcards *wc) void flow_wildcards_init_exact(struct flow_wildcards *wc) { - BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7); + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8); wc->wildcards = 0; wc->tun_id_mask = htonll(UINT64_MAX); @@ -628,6 +626,8 @@ flow_wildcards_init_exact(struct flow_wildcards *wc) memset(wc->reg_masks, 0xff, sizeof wc->reg_masks); wc->vlan_tci_mask = htons(UINT16_MAX); wc->nw_frag_mask = UINT8_MAX; + wc->tp_src_mask = htons(UINT16_MAX); + wc->tp_dst_mask = htons(UINT16_MAX); memset(wc->zeros, 0, sizeof wc->zeros); } @@ -638,12 +638,14 @@ flow_wildcards_is_exact(const struct flow_wildcards *wc) { int i; - BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7); + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8); 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->tp_src_mask != htons(UINT16_MAX) + || wc->tp_dst_mask != htons(UINT16_MAX) || wc->vlan_tci_mask != htons(UINT16_MAX) || !ipv6_mask_is_exact(&wc->ipv6_src_mask) || !ipv6_mask_is_exact(&wc->ipv6_dst_mask) @@ -667,12 +669,14 @@ flow_wildcards_is_catchall(const struct flow_wildcards *wc) { int i; - BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7); + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8); if (wc->wildcards != FWW_ALL || wc->tun_id_mask != htonll(0) || wc->nw_src_mask != htonl(0) || wc->nw_dst_mask != htonl(0) + || wc->tp_src_mask != htons(0) + || wc->tp_dst_mask != htons(0) || wc->vlan_tci_mask != htons(0) || !ipv6_mask_is_any(&wc->ipv6_src_mask) || !ipv6_mask_is_any(&wc->ipv6_dst_mask) @@ -699,6 +703,8 @@ flow_wildcards_combine(struct flow_wildcards *dst, { int i; + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8); + 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; @@ -711,6 +717,8 @@ flow_wildcards_combine(struct flow_wildcards *dst, dst->reg_masks[i] = src1->reg_masks[i] & src2->reg_masks[i]; } dst->vlan_tci_mask = src1->vlan_tci_mask & src2->vlan_tci_mask; + dst->tp_src_mask = src1->tp_src_mask & src2->tp_src_mask; + dst->tp_dst_mask = src1->tp_dst_mask & src2->tp_dst_mask; } /* Returns a hash of the wildcards in 'wc'. */ @@ -732,13 +740,17 @@ flow_wildcards_equal(const struct flow_wildcards *a, { int i; + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8); + 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)) { + || !ipv6_addr_equals(&a->ipv6_dst_mask, &b->ipv6_dst_mask) + || a->tp_src_mask != b->tp_src_mask + || a->tp_dst_mask != b->tp_dst_mask) { return false; } @@ -760,6 +772,8 @@ flow_wildcards_has_extra(const struct flow_wildcards *a, int i; struct in6_addr ipv6_masked; + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8); + for (i = 0; i < FLOW_N_REGS; i++) { if ((a->reg_masks[i] & b->reg_masks[i]) != b->reg_masks[i]) { return true; @@ -780,7 +794,9 @@ flow_wildcards_has_extra(const struct flow_wildcards *a, || (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); + || (a->vlan_tci_mask & b->vlan_tci_mask) != b->vlan_tci_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); } /* Sets the wildcard mask for register 'idx' in 'wc' to 'mask'. @@ -879,7 +895,7 @@ flow_hash_symmetric_l4(const struct flow *flow, uint32_t basis) }; 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; @@ -899,7 +915,7 @@ flow_hash_symmetric_l4(const struct flow *flow, uint32_t basis) 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]; @@ -911,7 +927,7 @@ flow_hash_symmetric_l4(const struct flow *flow, uint32_t basis) } 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);