From: Simon Horman Date: Tue, 7 Aug 2012 21:49:39 +0000 (+0900) Subject: ofp-util: Allow decoding of Open Flow 1.2 Packet In Messages X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7cfb9651a2cd446d81fce90ccf77af56d5c0cbc2;p=openvswitch ofp-util: Allow decoding of Open Flow 1.2 Packet In Messages Signed-off-by: Simon Horman Signed-off-by: Ben Pfaff --- diff --git a/lib/ofp-util.c b/lib/ofp-util.c index 36f1c8a1..03c81394 100644 --- a/lib/ofp-util.c +++ b/lib/ofp-util.c @@ -1911,6 +1911,26 @@ ofputil_encode_flow_removed(const struct ofputil_flow_removed *fr, return msg; } +static void +ofputil_decode_packet_in_finish(struct ofputil_packet_in *pin, + struct cls_rule *rule, + struct ofpbuf *b) +{ + pin->packet = b->data; + pin->packet_len = b->size; + + pin->fmd.in_port = rule->flow.in_port; + + pin->fmd.tun_id = rule->flow.tun_id; + pin->fmd.tun_id_mask = rule->wc.tun_id_mask; + + pin->fmd.metadata = rule->flow.metadata; + pin->fmd.metadata_mask = rule->wc.metadata_mask; + + memcpy(pin->fmd.regs, rule->flow.regs, sizeof pin->fmd.regs); + memcpy(pin->fmd.reg_masks, rule->wc.reg_masks, sizeof pin->fmd.reg_masks); +} + enum ofperr ofputil_decode_packet_in(struct ofputil_packet_in *pin, const struct ofp_header *oh) @@ -1922,7 +1942,29 @@ ofputil_decode_packet_in(struct ofputil_packet_in *pin, ofpbuf_use_const(&b, oh, ntohs(oh->length)); raw = ofpraw_pull_assert(&b); - if (raw == OFPRAW_OFPT10_PACKET_IN) { + if (raw == OFPRAW_OFPT12_PACKET_IN) { + const struct ofp12_packet_in *opi; + struct cls_rule rule; + int error; + + opi = ofpbuf_pull(&b, sizeof *opi); + error = oxm_pull_match_loose(&b, 0, &rule); + if (error) { + return error; + } + + if (!ofpbuf_try_pull(&b, 2)) { + return OFPERR_OFPBRC_BAD_LEN; + } + + pin->reason = opi->reason; + pin->table_id = opi->table_id; + + pin->buffer_id = ntohl(opi->buffer_id); + pin->total_len = ntohs(opi->total_len); + + ofputil_decode_packet_in_finish(pin, &rule, &b); + } else if (raw == OFPRAW_OFPT10_PACKET_IN) { const struct ofp_packet_in *opi; opi = ofpbuf_pull(&b, offsetof(struct ofp_packet_in, data)); @@ -1950,26 +1992,14 @@ ofputil_decode_packet_in(struct ofputil_packet_in *pin, return OFPERR_OFPBRC_BAD_LEN; } - pin->packet = b.data; - pin->packet_len = b.size; pin->reason = npi->reason; pin->table_id = npi->table_id; pin->cookie = npi->cookie; - pin->fmd.in_port = rule.flow.in_port; - - pin->fmd.tun_id = rule.flow.tun_id; - pin->fmd.tun_id_mask = rule.wc.tun_id_mask; - - pin->fmd.metadata = rule.flow.metadata; - pin->fmd.metadata_mask = rule.wc.metadata_mask; - - memcpy(pin->fmd.regs, rule.flow.regs, sizeof pin->fmd.regs); - memcpy(pin->fmd.reg_masks, rule.wc.reg_masks, - sizeof pin->fmd.reg_masks); - pin->buffer_id = ntohl(npi->buffer_id); pin->total_len = ntohs(npi->total_len); + + ofputil_decode_packet_in_finish(pin, &rule, &b); } else { NOT_REACHED(); } diff --git a/tests/ofp-print.at b/tests/ofp-print.at index 05e6cacf..2c4e6c57 100644 --- a/tests/ofp-print.at +++ b/tests/ofp-print.at @@ -327,7 +327,7 @@ OFPT_GET_CONFIG_REPLY (xid=0x3): frags=reassemble miss_send_len=255 ]) AT_CLEANUP -AT_SETUP([OFPT_PACKET_IN]) +AT_SETUP([OFPT_PACKET_IN - OF1.0]) AT_KEYWORDS([ofp-print]) AT_CHECK([ovs-ofctl ofp-print "\ 01 0a 00 4e 00 00 00 00 00 00 01 11 00 3c 00 03 \ @@ -341,6 +341,20 @@ priority:0,tunnel:0,metadata:0,in_port:0000,tci(0) mac(50:54:00:00:00:05->50:54: ]) AT_CLEANUP +AT_SETUP([OFPT_PACKET_IN - OF1.2]) +AT_KEYWORDS([ofp-print]) +AT_CHECK([ovs-ofctl ofp-print "\ +03 0a 00 4c 00 00 00 00 ff ff ff 00 00 2a 00 00 \ +00 01 00 0c 80 00 00 04 ff ff ff fe 00 00 00 00 \ +00 00 ff ff ff ff ff ff 00 23 20 83 c1 5f 80 35 \ +00 01 08 00 06 04 00 03 00 23 20 83 c1 5f 00 00 \ +00 00 00 23 20 83 c1 5f 00 00 00 00 \ +"], [0], [dnl +OFPT_PACKET_IN (OF1.2) (xid=0x0): total_len=42 in_port=LOCAL (via no_match) data_len=42 buffer=0xffffff00 +priority:0,tunnel:0,metadata:0,in_port:0000,tci(0) mac(00:23:20:83:c1:5f->ff:ff:ff:ff:ff:ff) type:8035 proto:0 tos:0 ttl:0 ip(0.0.0.0->0.0.0.0) +]) +AT_CLEANUP + AT_SETUP([OFPT_FLOW_REMOVED]) AT_KEYWORDS([ofp-print]) AT_CHECK([ovs-ofctl ofp-print "\