diff options
Diffstat (limited to 'src/hw/net/rocker/rocker_of_dpa.c')
| -rw-r--r-- | src/hw/net/rocker/rocker_of_dpa.c | 2625 |
1 files changed, 2625 insertions, 0 deletions
diff --git a/src/hw/net/rocker/rocker_of_dpa.c b/src/hw/net/rocker/rocker_of_dpa.c new file mode 100644 index 0000000..3cf1d61 --- /dev/null +++ b/src/hw/net/rocker/rocker_of_dpa.c @@ -0,0 +1,2625 @@ +/* + * QEMU rocker switch emulation - OF-DPA flow processing support + * + * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "net/eth.h" +#include "qemu/iov.h" +#include "qemu/timer.h" +#include "qmp-commands.h" + +#include "rocker.h" +#include "rocker_hw.h" +#include "rocker_fp.h" +#include "rocker_tlv.h" +#include "rocker_world.h" +#include "rocker_desc.h" +#include "rocker_of_dpa.h" + +static const MACAddr zero_mac = { .a = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }; +static const MACAddr ff_mac = { .a = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } }; + +typedef struct of_dpa { + World *world; + GHashTable *flow_tbl; + GHashTable *group_tbl; + unsigned int flow_tbl_max_size; + unsigned int group_tbl_max_size; +} OfDpa; + +/* flow_key stolen mostly from OVS + * + * Note: fields that compare with network packet header fields + * are stored in network order (BE) to avoid per-packet field + * byte-swaps. + */ + +typedef struct of_dpa_flow_key { + uint32_t in_pport; /* ingress port */ + uint32_t tunnel_id; /* overlay tunnel id */ + uint32_t tbl_id; /* table id */ + struct { + __be16 vlan_id; /* 0 if no VLAN */ + MACAddr src; /* ethernet source address */ + MACAddr dst; /* ethernet destination address */ + __be16 type; /* ethernet frame type */ + } eth; + struct { + uint8_t proto; /* IP protocol or ARP opcode */ + uint8_t tos; /* IP ToS */ + uint8_t ttl; /* IP TTL/hop limit */ + uint8_t frag; /* one of FRAG_TYPE_* */ + } ip; + union { + struct { + struct { + __be32 src; /* IP source address */ + __be32 dst; /* IP destination address */ + } addr; + union { + struct { + __be16 src; /* TCP/UDP/SCTP source port */ + __be16 dst; /* TCP/UDP/SCTP destination port */ + __be16 flags; /* TCP flags */ + } tp; + struct { + MACAddr sha; /* ARP source hardware address */ + MACAddr tha; /* ARP target hardware address */ + } arp; + }; + } ipv4; + struct { + struct { + Ipv6Addr src; /* IPv6 source address */ + Ipv6Addr dst; /* IPv6 destination address */ + } addr; + __be32 label; /* IPv6 flow label */ + struct { + __be16 src; /* TCP/UDP/SCTP source port */ + __be16 dst; /* TCP/UDP/SCTP destination port */ + __be16 flags; /* TCP flags */ + } tp; + struct { + Ipv6Addr target; /* ND target address */ + MACAddr sll; /* ND source link layer address */ + MACAddr tll; /* ND target link layer address */ + } nd; + } ipv6; + }; + int width; /* how many uint64_t's in key? */ +} OfDpaFlowKey; + +/* Width of key which includes field 'f' in u64s, rounded up */ +#define FLOW_KEY_WIDTH(f) \ + ((offsetof(OfDpaFlowKey, f) + \ + sizeof(((OfDpaFlowKey *)0)->f) + \ + sizeof(uint64_t) - 1) / sizeof(uint64_t)) + +typedef struct of_dpa_flow_action { + uint32_t goto_tbl; + struct { + uint32_t group_id; + uint32_t tun_log_lport; + __be16 vlan_id; + } write; + struct { + __be16 new_vlan_id; + uint32_t out_pport; + uint8_t copy_to_cpu; + __be16 vlan_id; + } apply; +} OfDpaFlowAction; + +typedef struct of_dpa_flow { + uint32_t lpm; + uint32_t priority; + uint32_t hardtime; + uint32_t idletime; + uint64_t cookie; + OfDpaFlowKey key; + OfDpaFlowKey mask; + OfDpaFlowAction action; + struct { + uint64_t hits; + int64_t install_time; + int64_t refresh_time; + uint64_t rx_pkts; + uint64_t tx_pkts; + } stats; +} OfDpaFlow; + +typedef struct of_dpa_flow_pkt_fields { + uint32_t tunnel_id; + struct eth_header *ethhdr; + __be16 *h_proto; + struct vlan_header *vlanhdr; + struct ip_header *ipv4hdr; + struct ip6_header *ipv6hdr; + Ipv6Addr *ipv6_src_addr; + Ipv6Addr *ipv6_dst_addr; +} OfDpaFlowPktFields; + +typedef struct of_dpa_flow_context { + uint32_t in_pport; + uint32_t tunnel_id; + struct iovec *iov; + int iovcnt; + struct eth_header ethhdr_rewrite; + struct vlan_header vlanhdr_rewrite; + struct vlan_header vlanhdr; + OfDpa *of_dpa; + OfDpaFlowPktFields fields; + OfDpaFlowAction action_set; +} OfDpaFlowContext; + +typedef struct of_dpa_flow_match { + OfDpaFlowKey value; + OfDpaFlow *best; +} OfDpaFlowMatch; + +typedef struct of_dpa_group { + uint32_t id; + union { + struct { + uint32_t out_pport; + uint8_t pop_vlan; + } l2_interface; + struct { + uint32_t group_id; + MACAddr src_mac; + MACAddr dst_mac; + __be16 vlan_id; + } l2_rewrite; + struct { + uint16_t group_count; + uint32_t *group_ids; + } l2_flood; + struct { + uint32_t group_id; + MACAddr src_mac; + MACAddr dst_mac; + __be16 vlan_id; + uint8_t ttl_check; + } l3_unicast; + }; +} OfDpaGroup; + +static int of_dpa_mask2prefix(__be32 mask) +{ + int i; + int count = 32; + + for (i = 0; i < 32; i++) { + if (!(ntohl(mask) & ((2 << i) - 1))) { + count--; + } + } + + return count; +} + +#if defined(DEBUG_ROCKER) +static void of_dpa_flow_key_dump(OfDpaFlowKey *key, OfDpaFlowKey *mask) +{ + char buf[512], *b = buf, *mac; + + b += sprintf(b, " tbl %2d", key->tbl_id); + + if (key->in_pport || (mask && mask->in_pport)) { + b += sprintf(b, " in_pport %2d", key->in_pport); + if (mask && mask->in_pport != 0xffffffff) { + b += sprintf(b, "/0x%08x", key->in_pport); + } + } + + if (key->tunnel_id || (mask && mask->tunnel_id)) { + b += sprintf(b, " tun %8d", key->tunnel_id); + if (mask && mask->tunnel_id != 0xffffffff) { + b += sprintf(b, "/0x%08x", key->tunnel_id); + } + } + + if (key->eth.vlan_id || (mask && mask->eth.vlan_id)) { + b += sprintf(b, " vlan %4d", ntohs(key->eth.vlan_id)); + if (mask && mask->eth.vlan_id != 0xffff) { + b += sprintf(b, "/0x%04x", ntohs(key->eth.vlan_id)); + } + } + + if (memcmp(key->eth.src.a, zero_mac.a, ETH_ALEN) || + (mask && memcmp(mask->eth.src.a, zero_mac.a, ETH_ALEN))) { + mac = qemu_mac_strdup_printf(key->eth.src.a); + b += sprintf(b, " src %s", mac); + g_free(mac); + if (mask && memcmp(mask->eth.src.a, ff_mac.a, ETH_ALEN)) { + mac = qemu_mac_strdup_printf(mask->eth.src.a); + b += sprintf(b, "/%s", mac); + g_free(mac); + } + } + + if (memcmp(key->eth.dst.a, zero_mac.a, ETH_ALEN) || + (mask && memcmp(mask->eth.dst.a, zero_mac.a, ETH_ALEN))) { + mac = qemu_mac_strdup_printf(key->eth.dst.a); + b += sprintf(b, " dst %s", mac); + g_free(mac); + if (mask && memcmp(mask->eth.dst.a, ff_mac.a, ETH_ALEN)) { + mac = qemu_mac_strdup_printf(mask->eth.dst.a); + b += sprintf(b, "/%s", mac); + g_free(mac); + } + } + + if (key->eth.type || (mask && mask->eth.type)) { + b += sprintf(b, " type 0x%04x", ntohs(key->eth.type)); + if (mask && mask->eth.type != 0xffff) { + b += sprintf(b, "/0x%04x", ntohs(mask->eth.type)); + } + switch (ntohs(key->eth.type)) { + case 0x0800: + case 0x86dd: + if (key->ip.proto || (mask && mask->ip.proto)) { + b += sprintf(b, " ip proto %2d", key->ip.proto); + if (mask && mask->ip.proto != 0xff) { + b += sprintf(b, "/0x%02x", mask->ip.proto); + } + } + if (key->ip.tos || (mask && mask->ip.tos)) { + b += sprintf(b, " ip tos %2d", key->ip.tos); + if (mask && mask->ip.tos != 0xff) { + b += sprintf(b, "/0x%02x", mask->ip.tos); + } + } + break; + } + switch (ntohs(key->eth.type)) { + case 0x0800: + if (key->ipv4.addr.dst || (mask && mask->ipv4.addr.dst)) { + b += sprintf(b, " dst %s", + inet_ntoa(*(struct in_addr *)&key->ipv4.addr.dst)); + if (mask) { + b += sprintf(b, "/%d", + of_dpa_mask2prefix(mask->ipv4.addr.dst)); + } + } + break; + } + } + + DPRINTF("%s\n", buf); +} +#else +#define of_dpa_flow_key_dump(k, m) +#endif + +static void _of_dpa_flow_match(void *key, void *value, void *user_data) +{ + OfDpaFlow *flow = value; + OfDpaFlowMatch *match = user_data; + uint64_t *k = (uint64_t *)&flow->key; + uint64_t *m = (uint64_t *)&flow->mask; + uint64_t *v = (uint64_t *)&match->value; + int i; + + if (flow->key.tbl_id == match->value.tbl_id) { + of_dpa_flow_key_dump(&flow->key, &flow->mask); + } + + if (flow->key.width > match->value.width) { + return; + } + + for (i = 0; i < flow->key.width; i++, k++, m++, v++) { + if ((~*k & *m & *v) | (*k & *m & ~*v)) { + return; + } + } + + DPRINTF("match\n"); + + if (!match->best || + flow->priority > match->best->priority || + flow->lpm > match->best->lpm) { + match->best = flow; + } +} + +static OfDpaFlow *of_dpa_flow_match(OfDpa *of_dpa, OfDpaFlowMatch *match) +{ + DPRINTF("\nnew search\n"); + of_dpa_flow_key_dump(&match->value, NULL); + + g_hash_table_foreach(of_dpa->flow_tbl, _of_dpa_flow_match, match); + + return match->best; +} + +static OfDpaFlow *of_dpa_flow_find(OfDpa *of_dpa, uint64_t cookie) +{ + return g_hash_table_lookup(of_dpa->flow_tbl, &cookie); +} + +static int of_dpa_flow_add(OfDpa *of_dpa, OfDpaFlow *flow) +{ + g_hash_table_insert(of_dpa->flow_tbl, &flow->cookie, flow); + + return ROCKER_OK; +} + +static void of_dpa_flow_del(OfDpa *of_dpa, OfDpaFlow *flow) +{ + g_hash_table_remove(of_dpa->flow_tbl, &flow->cookie); +} + +static OfDpaFlow *of_dpa_flow_alloc(uint64_t cookie) +{ + OfDpaFlow *flow; + int64_t now = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) / 1000; + + flow = g_new0(OfDpaFlow, 1); + if (!flow) { + return NULL; + } + + flow->cookie = cookie; + flow->mask.tbl_id = 0xffffffff; + + flow->stats.install_time = flow->stats.refresh_time = now; + + return flow; +} + +static void of_dpa_flow_pkt_hdr_reset(OfDpaFlowContext *fc) +{ + OfDpaFlowPktFields *fields = &fc->fields; + + fc->iov[0].iov_base = fields->ethhdr; + fc->iov[0].iov_len = sizeof(struct eth_header); + fc->iov[1].iov_base = fields->vlanhdr; + fc->iov[1].iov_len = fields->vlanhdr ? sizeof(struct vlan_header) : 0; +} + +static void of_dpa_flow_pkt_parse(OfDpaFlowContext *fc, + const struct iovec *iov, int iovcnt) +{ + OfDpaFlowPktFields *fields = &fc->fields; + size_t sofar = 0; + int i; + + sofar += sizeof(struct eth_header); + if (iov->iov_len < sofar) { + DPRINTF("flow_pkt_parse underrun on eth_header\n"); + return; + } + + fields->ethhdr = iov->iov_base; + fields->h_proto = &fields->ethhdr->h_proto; + + if (ntohs(*fields->h_proto) == ETH_P_VLAN) { + sofar += sizeof(struct vlan_header); + if (iov->iov_len < sofar) { + DPRINTF("flow_pkt_parse underrun on vlan_header\n"); + return; + } + fields->vlanhdr = (struct vlan_header *)(fields->ethhdr + 1); + fields->h_proto = &fields->vlanhdr->h_proto; + } + + switch (ntohs(*fields->h_proto)) { + case ETH_P_IP: + sofar += sizeof(struct ip_header); + if (iov->iov_len < sofar) { + DPRINTF("flow_pkt_parse underrun on ip_header\n"); + return; + } + fields->ipv4hdr = (struct ip_header *)(fields->h_proto + 1); + break; + case ETH_P_IPV6: + sofar += sizeof(struct ip6_header); + if (iov->iov_len < sofar) { + DPRINTF("flow_pkt_parse underrun on ip6_header\n"); + return; + } + fields->ipv6hdr = (struct ip6_header *)(fields->h_proto + 1); + break; + } + + /* To facilitate (potential) VLAN tag insertion, Make a + * copy of the iov and insert two new vectors at the + * beginning for eth hdr and vlan hdr. No data is copied, + * just the vectors. + */ + + of_dpa_flow_pkt_hdr_reset(fc); + + fc->iov[2].iov_base = fields->h_proto + 1; + fc->iov[2].iov_len = iov->iov_len - fc->iov[0].iov_len - fc->iov[1].iov_len; + + for (i = 1; i < iovcnt; i++) { + fc->iov[i+2] = iov[i]; + } + + fc->iovcnt = iovcnt + 2; +} + +static void of_dpa_flow_pkt_insert_vlan(OfDpaFlowContext *fc, __be16 vlan_id) +{ + OfDpaFlowPktFields *fields = &fc->fields; + uint16_t h_proto = fields->ethhdr->h_proto; + + if (fields->vlanhdr) { + DPRINTF("flow_pkt_insert_vlan packet already has vlan\n"); + return; + } + + fields->ethhdr->h_proto = htons(ETH_P_VLAN); + fields->vlanhdr = &fc->vlanhdr; + fields->vlanhdr->h_tci = vlan_id; + fields->vlanhdr->h_proto = h_proto; + fields->h_proto = &fields->vlanhdr->h_proto; + + fc->iov[1].iov_base = fields->vlanhdr; + fc->iov[1].iov_len = sizeof(struct vlan_header); +} + +static void of_dpa_flow_pkt_strip_vlan(OfDpaFlowContext *fc) +{ + OfDpaFlowPktFields *fields = &fc->fields; + + if (!fields->vlanhdr) { + return; + } + + fc->iov[0].iov_len -= sizeof(fields->ethhdr->h_proto); + fc->iov[1].iov_base = fields->h_proto; + fc->iov[1].iov_len = sizeof(fields->ethhdr->h_proto); +} + +static void of_dpa_flow_pkt_hdr_rewrite(OfDpaFlowContext *fc, + uint8_t *src_mac, uint8_t *dst_mac, + __be16 vlan_id) +{ + OfDpaFlowPktFields *fields = &fc->fields; + + if (src_mac || dst_mac) { + memcpy(&fc->ethhdr_rewrite, fields->ethhdr, sizeof(struct eth_header)); + if (src_mac && memcmp(src_mac, zero_mac.a, ETH_ALEN)) { + memcpy(fc->ethhdr_rewrite.h_source, src_mac, ETH_ALEN); + } + if (dst_mac && memcmp(dst_mac, zero_mac.a, ETH_ALEN)) { + memcpy(fc->ethhdr_rewrite.h_dest, dst_mac, ETH_ALEN); + } + fc->iov[0].iov_base = &fc->ethhdr_rewrite; + } + + if (vlan_id && fields->vlanhdr) { + fc->vlanhdr_rewrite = fc->vlanhdr; + fc->vlanhdr_rewrite.h_tci = vlan_id; + fc->iov[1].iov_base = &fc->vlanhdr_rewrite; + } +} + +static void of_dpa_flow_ig_tbl(OfDpaFlowContext *fc, uint32_t tbl_id); + +static void of_dpa_ig_port_build_match(OfDpaFlowContext *fc, + OfDpaFlowMatch *match) +{ + match->value.tbl_id = ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT; + match->value.in_pport = fc->in_pport; + match->value.width = FLOW_KEY_WIDTH(tbl_id); +} + +static void of_dpa_ig_port_miss(OfDpaFlowContext *fc) +{ + uint32_t port; + + /* The default on miss is for packets from physical ports + * to go to the VLAN Flow Table. There is no default rule + * for packets from logical ports, which are dropped on miss. + */ + + if (fp_port_from_pport(fc->in_pport, &port)) { + of_dpa_flow_ig_tbl(fc, ROCKER_OF_DPA_TABLE_ID_VLAN); + } +} + +static void of_dpa_vlan_build_match(OfDpaFlowContext *fc, + OfDpaFlowMatch *match) +{ + match->value.tbl_id = ROCKER_OF_DPA_TABLE_ID_VLAN; + match->value.in_pport = fc->in_pport; + if (fc->fields.vlanhdr) { + match->value.eth.vlan_id = fc->fields.vlanhdr->h_tci; + } + match->value.width = FLOW_KEY_WIDTH(eth.vlan_id); +} + +static void of_dpa_vlan_insert(OfDpaFlowContext *fc, + OfDpaFlow *flow) +{ + if (flow->action.apply.new_vlan_id) { + of_dpa_flow_pkt_insert_vlan(fc, flow->action.apply.new_vlan_id); + } +} + +static void of_dpa_term_mac_build_match(OfDpaFlowContext *fc, + OfDpaFlowMatch *match) +{ + match->value.tbl_id = ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC; + match->value.in_pport = fc->in_pport; + match->value.eth.type = *fc->fields.h_proto; + match->value.eth.vlan_id = fc->fields.vlanhdr->h_tci; + memcpy(match->value.eth.dst.a, fc->fields.ethhdr->h_dest, + sizeof(match->value.eth.dst.a)); + match->value.width = FLOW_KEY_WIDTH(eth.type); +} + +static void of_dpa_term_mac_miss(OfDpaFlowContext *fc) +{ + of_dpa_flow_ig_tbl(fc, ROCKER_OF_DPA_TABLE_ID_BRIDGING); +} + +static void of_dpa_apply_actions(OfDpaFlowContext *fc, + OfDpaFlow *flow) +{ + fc->action_set.apply.copy_to_cpu = flow->action.apply.copy_to_cpu; + fc->action_set.apply.vlan_id = flow->key.eth.vlan_id; +} + +static void of_dpa_bridging_build_match(OfDpaFlowContext *fc, + OfDpaFlowMatch *match) +{ + match->value.tbl_id = ROCKER_OF_DPA_TABLE_ID_BRIDGING; + if (fc->fields.vlanhdr) { + match->value.eth.vlan_id = fc->fields.vlanhdr->h_tci; + } else if (fc->tunnel_id) { + match->value.tunnel_id = fc->tunnel_id; + } + memcpy(match->value.eth.dst.a, fc->fields.ethhdr->h_dest, + sizeof(match->value.eth.dst.a)); + match->value.width = FLOW_KEY_WIDTH(eth.dst); +} + +static void of_dpa_bridging_learn(OfDpaFlowContext *fc, + OfDpaFlow *dst_flow) +{ + OfDpaFlowMatch match = { { 0, }, }; + OfDpaFlow *flow; + uint8_t *addr; + uint16_t vlan_id; + int64_t now = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) / 1000; + int64_t refresh_delay = 1; + + /* Do a lookup in bridge table by src_mac/vlan */ + + addr = fc->fields.ethhdr->h_source; + vlan_id = fc->fields.vlanhdr->h_tci; + + match.value.tbl_id = ROCKER_OF_DPA_TABLE_ID_BRIDGING; + match.value.eth.vlan_id = vlan_id; + memcpy(match.value.eth.dst.a, addr, sizeof(match.value.eth.dst.a)); + match.value.width = FLOW_KEY_WIDTH(eth.dst); + + flow = of_dpa_flow_match(fc->of_dpa, &match); + if (flow) { + if (!memcmp(flow->mask.eth.dst.a, ff_mac.a, + sizeof(flow->mask.eth.dst.a))) { + /* src_mac/vlan already learned; if in_port and out_port + * don't match, the end station has moved and the port + * needs updating */ + /* XXX implement the in_port/out_port check */ + if (now - flow->stats.refresh_time < refresh_delay) { + return; + } + flow->stats.refresh_time = now; + } + } + + /* Let driver know about mac/vlan. This may be a new mac/vlan + * or a refresh of existing mac/vlan that's been hit after the + * refresh_delay. + */ + + rocker_event_mac_vlan_seen(world_rocker(fc->of_dpa->world), + fc->in_pport, addr, vlan_id); +} + +static void of_dpa_bridging_miss(OfDpaFlowContext *fc) +{ + of_dpa_bridging_learn(fc, NULL); + of_dpa_flow_ig_tbl(fc, ROCKER_OF_DPA_TABLE_ID_ACL_POLICY); +} + +static void of_dpa_bridging_action_write(OfDpaFlowContext *fc, + OfDpaFlow *flow) +{ + if (flow->action.write.group_id != ROCKER_GROUP_NONE) { + fc->action_set.write.group_id = flow->action.write.group_id; + } + fc->action_set.write.tun_log_lport = flow->action.write.tun_log_lport; +} + +static void of_dpa_unicast_routing_build_match(OfDpaFlowContext *fc, + OfDpaFlowMatch *match) +{ + match->value.tbl_id = ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING; + match->value.eth.type = *fc->fields.h_proto; + if (fc->fields.ipv4hdr) { + match->value.ipv4.addr.dst = fc->fields.ipv4hdr->ip_dst; + } + if (fc->fields.ipv6_dst_addr) { + memcpy(&match->value.ipv6.addr.dst, fc->fields.ipv6_dst_addr, + sizeof(match->value.ipv6.addr.dst)); + } + match->value.width = FLOW_KEY_WIDTH(ipv6.addr.dst); +} + +static void of_dpa_unicast_routing_miss(OfDpaFlowContext *fc) +{ + of_dpa_flow_ig_tbl(fc, ROCKER_OF_DPA_TABLE_ID_ACL_POLICY); +} + +static void of_dpa_unicast_routing_action_write(OfDpaFlowContext *fc, + OfDpaFlow *flow) +{ + if (flow->action.write.group_id != ROCKER_GROUP_NONE) { + fc->action_set.write.group_id = flow->action.write.group_id; + } +} + +static void +of_dpa_multicast_routing_build_match(OfDpaFlowContext *fc, + OfDpaFlowMatch *match) +{ + match->value.tbl_id = ROCKER_OF_DPA_TABLE_ID_MULTICAST_ROUTING; + match->value.eth.type = *fc->fields.h_proto; + match->value.eth.vlan_id = fc->fields.vlanhdr->h_tci; + if (fc->fields.ipv4hdr) { + match->value.ipv4.addr.src = fc->fields.ipv4hdr->ip_src; + match->value.ipv4.addr.dst = fc->fields.ipv4hdr->ip_dst; + } + if (fc->fields.ipv6_src_addr) { + memcpy(&match->value.ipv6.addr.src, fc->fields.ipv6_src_addr, + sizeof(match->value.ipv6.addr.src)); + } + if (fc->fields.ipv6_dst_addr) { + memcpy(&match->value.ipv6.addr.dst, fc->fields.ipv6_dst_addr, + sizeof(match->value.ipv6.addr.dst)); + } + match->value.width = FLOW_KEY_WIDTH(ipv6.addr.dst); +} + +static void of_dpa_multicast_routing_miss(OfDpaFlowContext *fc) +{ + of_dpa_flow_ig_tbl(fc, ROCKER_OF_DPA_TABLE_ID_ACL_POLICY); +} + +static void +of_dpa_multicast_routing_action_write(OfDpaFlowContext *fc, + OfDpaFlow *flow) +{ + if (flow->action.write.group_id != ROCKER_GROUP_NONE) { + fc->action_set.write.group_id = flow->action.write.group_id; + } + fc->action_set.write.vlan_id = flow->action.write.vlan_id; +} + +static void of_dpa_acl_build_match(OfDpaFlowContext *fc, + OfDpaFlowMatch *match) +{ + match->value.tbl_id = ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; + match->value.in_pport = fc->in_pport; + memcpy(match->value.eth.src.a, fc->fields.ethhdr->h_source, + sizeof(match->value.eth.src.a)); + memcpy(match->value.eth.dst.a, fc->fields.ethhdr->h_dest, + sizeof(match->value.eth.dst.a)); + match->value.eth.type = *fc->fields.h_proto; + match->value.eth.vlan_id = fc->fields.vlanhdr->h_tci; + match->value.width = FLOW_KEY_WIDTH(eth.type); + if (fc->fields.ipv4hdr) { + match->value.ip.proto = fc->fields.ipv4hdr->ip_p; + match->value.ip.tos = fc->fields.ipv4hdr->ip_tos; + match->value.width = FLOW_KEY_WIDTH(ip.tos); + } else if (fc->fields.ipv6hdr) { + match->value.ip.proto = + fc->fields.ipv6hdr->ip6_ctlun.ip6_un1.ip6_un1_nxt; + match->value.ip.tos = 0; /* XXX what goes here? */ + match->value.width = FLOW_KEY_WIDTH(ip.tos); + } +} + +static void of_dpa_eg(OfDpaFlowContext *fc); +static void of_dpa_acl_hit(OfDpaFlowContext *fc, + OfDpaFlow *dst_flow) +{ + of_dpa_eg(fc); +} + +static void of_dpa_acl_action_write(OfDpaFlowContext *fc, + OfDpaFlow *flow) +{ + if (flow->action.write.group_id != ROCKER_GROUP_NONE) { + fc->action_set.write.group_id = flow->action.write.group_id; + } +} + +static void of_dpa_drop(OfDpaFlowContext *fc) +{ + /* drop packet */ +} + +static OfDpaGroup *of_dpa_group_find(OfDpa *of_dpa, + uint32_t group_id) +{ + return g_hash_table_lookup(of_dpa->group_tbl, &group_id); +} + +static int of_dpa_group_add(OfDpa *of_dpa, OfDpaGroup *group) +{ + g_hash_table_insert(of_dpa->group_tbl, &group->id, group); + + return 0; +} + +#if 0 +static int of_dpa_group_mod(OfDpa *of_dpa, OfDpaGroup *group) +{ + OfDpaGroup *old_group = of_dpa_group_find(of_dpa, group->id); + + if (!old_group) { + return -ENOENT; + } + + /* XXX */ + + return 0; +} +#endif + +static int of_dpa_group_del(OfDpa *of_dpa, OfDpaGroup *group) +{ + g_hash_table_remove(of_dpa->group_tbl, &group->id); + + return 0; +} + +#if 0 +static int of_dpa_group_get_stats(OfDpa *of_dpa, uint32_t id) +{ + OfDpaGroup *group = of_dpa_group_find(of_dpa, id); + + if (!group) { + return -ENOENT; + } + + /* XXX get/return stats */ + + return 0; +} +#endif + +static OfDpaGroup *of_dpa_group_alloc(uint32_t id) +{ + OfDpaGroup *group = g_new0(OfDpaGroup, 1); + + if (!group) { + return NULL; + } + + group->id = id; + + return group; +} + +static void of_dpa_output_l2_interface(OfDpaFlowContext *fc, + OfDpaGroup *group) +{ + uint8_t copy_to_cpu = fc->action_set.apply.copy_to_cpu; + + if (group->l2_interface.pop_vlan) { + of_dpa_flow_pkt_strip_vlan(fc); + } + + /* Note: By default, and as per the OpenFlow 1.3.1 + * specification, a packet cannot be forwarded back + * to the IN_PORT from which it came in. An action + * bucket that specifies the particular packet's + * egress port is not evaluated. + */ + + if (group->l2_interface.out_pport == 0) { + rx_produce(fc->of_dpa->world, fc->in_pport, fc->iov, fc->iovcnt, + copy_to_cpu); + } else if (group->l2_interface.out_pport != fc->in_pport) { + rocker_port_eg(world_rocker(fc->of_dpa->world), + group->l2_interface.out_pport, + fc->iov, fc->iovcnt); + } +} + +static void of_dpa_output_l2_rewrite(OfDpaFlowContext *fc, + OfDpaGroup *group) +{ + OfDpaGroup *l2_group = + of_dpa_group_find(fc->of_dpa, group->l2_rewrite.group_id); + + if (!l2_group) { + return; + } + + of_dpa_flow_pkt_hdr_rewrite(fc, group->l2_rewrite.src_mac.a, + group->l2_rewrite.dst_mac.a, + group->l2_rewrite.vlan_id); + of_dpa_output_l2_interface(fc, l2_group); +} + +static void of_dpa_output_l2_flood(OfDpaFlowContext *fc, + OfDpaGroup *group) +{ + OfDpaGroup *l2_group; + int i; + + for (i = 0; i < group->l2_flood.group_count; i++) { + of_dpa_flow_pkt_hdr_reset(fc); + l2_group = of_dpa_group_find(fc->of_dpa, group->l2_flood.group_ids[i]); + if (!l2_group) { + continue; + } + switch (ROCKER_GROUP_TYPE_GET(l2_group->id)) { + case ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE: + of_dpa_output_l2_interface(fc, l2_group); + break; + case ROCKER_OF_DPA_GROUP_TYPE_L2_REWRITE: + of_dpa_output_l2_rewrite(fc, l2_group); + break; + } + } +} + +static void of_dpa_output_l3_unicast(OfDpaFlowContext *fc, OfDpaGroup *group) +{ + OfDpaGroup *l2_group = + of_dpa_group_find(fc->of_dpa, group->l3_unicast.group_id); + + if (!l2_group) { + return; + } + + of_dpa_flow_pkt_hdr_rewrite(fc, group->l3_unicast.src_mac.a, + group->l3_unicast.dst_mac.a, + group->l3_unicast.vlan_id); + /* XXX need ttl_check */ + of_dpa_output_l2_interface(fc, l2_group); +} + +static void of_dpa_eg(OfDpaFlowContext *fc) +{ + OfDpaFlowAction *set = &fc->action_set; + OfDpaGroup *group; + uint32_t group_id; + + /* send a copy of pkt to CPU (controller)? */ + + if (set->apply.copy_to_cpu) { + group_id = ROCKER_GROUP_L2_INTERFACE(set->apply.vlan_id, 0); + group = of_dpa_group_find(fc->of_dpa, group_id); + if (group) { + of_dpa_output_l2_interface(fc, group); + of_dpa_flow_pkt_hdr_reset(fc); + } + } + + /* process group write actions */ + + if (!set->write.group_id) { + return; + } + + group = of_dpa_group_find(fc->of_dpa, set->write.group_id); + if (!group) { + return; + } + + switch (ROCKER_GROUP_TYPE_GET(group->id)) { + case ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE: + of_dpa_output_l2_interface(fc, group); + break; + case ROCKER_OF_DPA_GROUP_TYPE_L2_REWRITE: + of_dpa_output_l2_rewrite(fc, group); + break; + case ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD: + case ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST: + of_dpa_output_l2_flood(fc, group); + break; + case ROCKER_OF_DPA_GROUP_TYPE_L3_UCAST: + of_dpa_output_l3_unicast(fc, group); + break; + } +} + +typedef struct of_dpa_flow_tbl_ops { + void (*build_match)(OfDpaFlowContext *fc, OfDpaFlowMatch *match); + void (*hit)(OfDpaFlowContext *fc, OfDpaFlow *flow); + void (*miss)(OfDpaFlowContext *fc); + void (*hit_no_goto)(OfDpaFlowContext *fc); + void (*action_apply)(OfDpaFlowContext *fc, OfDpaFlow *flow); + void (*action_write)(OfDpaFlowContext *fc, OfDpaFlow *flow); +} OfDpaFlowTblOps; + +static OfDpaFlowTblOps of_dpa_tbl_ops[] = { + [ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT] = { + .build_match = of_dpa_ig_port_build_match, + .miss = of_dpa_ig_port_miss, + .hit_no_goto = of_dpa_drop, + }, + [ROCKER_OF_DPA_TABLE_ID_VLAN] = { + .build_match = of_dpa_vlan_build_match, + .hit_no_goto = of_dpa_drop, + .action_apply = of_dpa_vlan_insert, + }, + [ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC] = { + .build_match = of_dpa_term_mac_build_match, + .miss = of_dpa_term_mac_miss, + .hit_no_goto = of_dpa_drop, + .action_apply = of_dpa_apply_actions, + }, + [ROCKER_OF_DPA_TABLE_ID_BRIDGING] = { + .build_match = of_dpa_bridging_build_match, + .hit = of_dpa_bridging_learn, + .miss = of_dpa_bridging_miss, + .hit_no_goto = of_dpa_drop, + .action_apply = of_dpa_apply_actions, + .action_write = of_dpa_bridging_action_write, + }, + [ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING] = { + .build_match = of_dpa_unicast_routing_build_match, + .miss = of_dpa_unicast_routing_miss, + .hit_no_goto = of_dpa_drop, + .action_write = of_dpa_unicast_routing_action_write, + }, + [ROCKER_OF_DPA_TABLE_ID_MULTICAST_ROUTING] = { + .build_match = of_dpa_multicast_routing_build_match, + .miss = of_dpa_multicast_routing_miss, + .hit_no_goto = of_dpa_drop, + .action_write = of_dpa_multicast_routing_action_write, + }, + [ROCKER_OF_DPA_TABLE_ID_ACL_POLICY] = { + .build_match = of_dpa_acl_build_match, + .hit = of_dpa_acl_hit, + .miss = of_dpa_eg, + .action_apply = of_dpa_apply_actions, + .action_write = of_dpa_acl_action_write, + }, +}; + +static void of_dpa_flow_ig_tbl(OfDpaFlowContext *fc, uint32_t tbl_id) +{ + OfDpaFlowTblOps *ops = &of_dpa_tbl_ops[tbl_id]; + OfDpaFlowMatch match = { { 0, }, }; + OfDpaFlow *flow; + + if (ops->build_match) { + ops->build_match(fc, &match); + } else { + return; + } + + flow = of_dpa_flow_match(fc->of_dpa, &match); + if (!flow) { + if (ops->miss) { + ops->miss(fc); + } + return; + } + + flow->stats.hits++; + + if (ops->action_apply) { + ops->action_apply(fc, flow); + } + + if (ops->action_write) { + ops->action_write(fc, flow); + } + + if (ops->hit) { + ops->hit(fc, flow); + } + + if (flow->action.goto_tbl) { + of_dpa_flow_ig_tbl(fc, flow->action.goto_tbl); + } else if (ops->hit_no_goto) { + ops->hit_no_goto(fc); + } + + /* drop packet */ +} + +static ssize_t of_dpa_ig(World *world, uint32_t pport, + const struct iovec *iov, int iovcnt) +{ + struct iovec iov_copy[iovcnt + 2]; + OfDpaFlowContext fc = { + .of_dpa = world_private(world), + .in_pport = pport, + .iov = iov_copy, + .iovcnt = iovcnt + 2, + }; + + of_dpa_flow_pkt_parse(&fc, iov, iovcnt); + of_dpa_flow_ig_tbl(&fc, ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT); + + return iov_size(iov, iovcnt); +} + +#define ROCKER_TUNNEL_LPORT 0x00010000 + +static int of_dpa_cmd_add_ig_port(OfDpaFlow *flow, RockerTlv **flow_tlvs) +{ + OfDpaFlowKey *key = &flow->key; + OfDpaFlowKey *mask = &flow->mask; + OfDpaFlowAction *action = &flow->action; + bool overlay_tunnel; + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT] || + !flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]) { + return -ROCKER_EINVAL; + } + + key->tbl_id = ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT; + key->width = FLOW_KEY_WIDTH(tbl_id); + + key->in_pport = rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT]); + if (flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT_MASK]) { + mask->in_pport = + rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT_MASK]); + } + + overlay_tunnel = !!(key->in_pport & ROCKER_TUNNEL_LPORT); + + action->goto_tbl = + rocker_tlv_get_le16(flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]); + + if (!overlay_tunnel && action->goto_tbl != ROCKER_OF_DPA_TABLE_ID_VLAN) { + return -ROCKER_EINVAL; + } + + if (overlay_tunnel && action->goto_tbl != ROCKER_OF_DPA_TABLE_ID_BRIDGING) { + return -ROCKER_EINVAL; + } + + return ROCKER_OK; +} + +static int of_dpa_cmd_add_vlan(OfDpaFlow *flow, RockerTlv **flow_tlvs) +{ + OfDpaFlowKey *key = &flow->key; + OfDpaFlowKey *mask = &flow->mask; + OfDpaFlowAction *action = &flow->action; + uint32_t port; + bool untagged; + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT] || + !flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]) { + DPRINTF("Must give in_pport and vlan_id to install VLAN tbl entry\n"); + return -ROCKER_EINVAL; + } + + key->tbl_id = ROCKER_OF_DPA_TABLE_ID_VLAN; + key->width = FLOW_KEY_WIDTH(eth.vlan_id); + + key->in_pport = rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT]); + if (!fp_port_from_pport(key->in_pport, &port)) { + DPRINTF("in_pport (%d) not a front-panel port\n", key->in_pport); + return -ROCKER_EINVAL; + } + mask->in_pport = 0xffffffff; + + key->eth.vlan_id = rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]); + + if (flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID_MASK]) { + mask->eth.vlan_id = + rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID_MASK]); + } + + if (key->eth.vlan_id) { + untagged = false; /* filtering */ + } else { + untagged = true; + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]) { + action->goto_tbl = + rocker_tlv_get_le16(flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]); + if (action->goto_tbl != ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC) { + DPRINTF("Goto tbl (%d) must be TERM_MAC\n", action->goto_tbl); + return -ROCKER_EINVAL; + } + } + + if (untagged) { + if (!flow_tlvs[ROCKER_TLV_OF_DPA_NEW_VLAN_ID]) { + DPRINTF("Must specify new vlan_id if untagged\n"); + return -ROCKER_EINVAL; + } + action->apply.new_vlan_id = + rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_NEW_VLAN_ID]); + if (1 > ntohs(action->apply.new_vlan_id) || + ntohs(action->apply.new_vlan_id) > 4095) { + DPRINTF("New vlan_id (%d) must be between 1 and 4095\n", + ntohs(action->apply.new_vlan_id)); + return -ROCKER_EINVAL; + } + } + + return ROCKER_OK; +} + +static int of_dpa_cmd_add_term_mac(OfDpaFlow *flow, RockerTlv **flow_tlvs) +{ + OfDpaFlowKey *key = &flow->key; + OfDpaFlowKey *mask = &flow->mask; + OfDpaFlowAction *action = &flow->action; + const MACAddr ipv4_mcast = { .a = { 0x01, 0x00, 0x5e, 0x00, 0x00, 0x00 } }; + const MACAddr ipv4_mask = { .a = { 0xff, 0xff, 0xff, 0x80, 0x00, 0x00 } }; + const MACAddr ipv6_mcast = { .a = { 0x33, 0x33, 0x00, 0x00, 0x00, 0x00 } }; + const MACAddr ipv6_mask = { .a = { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } }; + uint32_t port; + bool unicast = false; + bool multicast = false; + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT] || + !flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT_MASK] || + !flow_tlvs[ROCKER_TLV_OF_DPA_ETHERTYPE] || + !flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC] || + !flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC_MASK] || + !flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID] || + !flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID_MASK]) { + return -ROCKER_EINVAL; + } + + key->tbl_id = ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC; + key->width = FLOW_KEY_WIDTH(eth.type); + + key->in_pport = rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT]); + if (!fp_port_from_pport(key->in_pport, &port)) { + return -ROCKER_EINVAL; + } + mask->in_pport = + rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT_MASK]); + + key->eth.type = rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_ETHERTYPE]); + if (key->eth.type != htons(0x0800) && key->eth.type != htons(0x86dd)) { + return -ROCKER_EINVAL; + } + mask->eth.type = htons(0xffff); + + memcpy(key->eth.dst.a, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC]), + sizeof(key->eth.dst.a)); + memcpy(mask->eth.dst.a, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC_MASK]), + sizeof(mask->eth.dst.a)); + + if ((key->eth.dst.a[0] & 0x01) == 0x00) { + unicast = true; + } + + /* only two wildcard rules are acceptable for IPv4 and IPv6 multicast */ + if (memcmp(key->eth.dst.a, ipv4_mcast.a, sizeof(key->eth.dst.a)) == 0 && + memcmp(mask->eth.dst.a, ipv4_mask.a, sizeof(mask->eth.dst.a)) == 0) { + multicast = true; + } + if (memcmp(key->eth.dst.a, ipv6_mcast.a, sizeof(key->eth.dst.a)) == 0 && + memcmp(mask->eth.dst.a, ipv6_mask.a, sizeof(mask->eth.dst.a)) == 0) { + multicast = true; + } + + if (!unicast && !multicast) { + return -ROCKER_EINVAL; + } + + key->eth.vlan_id = rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]); + mask->eth.vlan_id = + rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID_MASK]); + + if (flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]) { + action->goto_tbl = + rocker_tlv_get_le16(flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]); + + if (action->goto_tbl != ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING && + action->goto_tbl != ROCKER_OF_DPA_TABLE_ID_MULTICAST_ROUTING) { + return -ROCKER_EINVAL; + } + + if (unicast && + action->goto_tbl != ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING) { + return -ROCKER_EINVAL; + } + + if (multicast && + action->goto_tbl != ROCKER_OF_DPA_TABLE_ID_MULTICAST_ROUTING) { + return -ROCKER_EINVAL; + } + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_COPY_CPU_ACTION]) { + action->apply.copy_to_cpu = + rocker_tlv_get_u8(flow_tlvs[ROCKER_TLV_OF_DPA_COPY_CPU_ACTION]); + } + + return ROCKER_OK; +} + +static int of_dpa_cmd_add_bridging(OfDpaFlow *flow, RockerTlv **flow_tlvs) +{ + OfDpaFlowKey *key = &flow->key; + OfDpaFlowKey *mask = &flow->mask; + OfDpaFlowAction *action = &flow->action; + bool unicast = false; + bool dst_mac = false; + bool dst_mac_mask = false; + enum { + BRIDGING_MODE_UNKNOWN, + BRIDGING_MODE_VLAN_UCAST, + BRIDGING_MODE_VLAN_MCAST, + BRIDGING_MODE_VLAN_DFLT, + BRIDGING_MODE_TUNNEL_UCAST, + BRIDGING_MODE_TUNNEL_MCAST, + BRIDGING_MODE_TUNNEL_DFLT, + } mode = BRIDGING_MODE_UNKNOWN; + + key->tbl_id = ROCKER_OF_DPA_TABLE_ID_BRIDGING; + + if (flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]) { + key->eth.vlan_id = + rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]); + mask->eth.vlan_id = 0xffff; + key->width = FLOW_KEY_WIDTH(eth.vlan_id); + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_TUNNEL_ID]) { + key->tunnel_id = + rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_TUNNEL_ID]); + mask->tunnel_id = 0xffffffff; + key->width = FLOW_KEY_WIDTH(tunnel_id); + } + + /* can't do VLAN bridging and tunnel bridging at same time */ + if (key->eth.vlan_id && key->tunnel_id) { + DPRINTF("can't do VLAN bridging and tunnel bridging at same time\n"); + return -ROCKER_EINVAL; + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC]) { + memcpy(key->eth.dst.a, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC]), + sizeof(key->eth.dst.a)); + key->width = FLOW_KEY_WIDTH(eth.dst); + dst_mac = true; + unicast = (key->eth.dst.a[0] & 0x01) == 0x00; + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC_MASK]) { + memcpy(mask->eth.dst.a, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC_MASK]), + sizeof(mask->eth.dst.a)); + key->width = FLOW_KEY_WIDTH(eth.dst); + dst_mac_mask = true; + } else if (flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC]) { + memcpy(mask->eth.dst.a, ff_mac.a, sizeof(mask->eth.dst.a)); + } + + if (key->eth.vlan_id) { + if (dst_mac && !dst_mac_mask) { + mode = unicast ? BRIDGING_MODE_VLAN_UCAST : + BRIDGING_MODE_VLAN_MCAST; + } else if ((dst_mac && dst_mac_mask) || !dst_mac) { + mode = BRIDGING_MODE_VLAN_DFLT; + } + } else if (key->tunnel_id) { + if (dst_mac && !dst_mac_mask) { + mode = unicast ? BRIDGING_MODE_TUNNEL_UCAST : + BRIDGING_MODE_TUNNEL_MCAST; + } else if ((dst_mac && dst_mac_mask) || !dst_mac) { + mode = BRIDGING_MODE_TUNNEL_DFLT; + } + } + + if (mode == BRIDGING_MODE_UNKNOWN) { + DPRINTF("Unknown bridging mode\n"); + return -ROCKER_EINVAL; + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]) { + action->goto_tbl = + rocker_tlv_get_le16(flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]); + if (action->goto_tbl != ROCKER_OF_DPA_TABLE_ID_ACL_POLICY) { + DPRINTF("Briding goto tbl must be ACL policy\n"); + return -ROCKER_EINVAL; + } + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID]) { + action->write.group_id = + rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID]); + switch (mode) { + case BRIDGING_MODE_VLAN_UCAST: + if (ROCKER_GROUP_TYPE_GET(action->write.group_id) != + ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE) { + DPRINTF("Bridging mode vlan ucast needs L2 " + "interface group (0x%08x)\n", + action->write.group_id); + return -ROCKER_EINVAL; + } + break; + case BRIDGING_MODE_VLAN_MCAST: + if (ROCKER_GROUP_TYPE_GET(action->write.group_id) != + ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST) { + DPRINTF("Bridging mode vlan mcast needs L2 " + "mcast group (0x%08x)\n", + action->write.group_id); + return -ROCKER_EINVAL; + } + break; + case BRIDGING_MODE_VLAN_DFLT: + if (ROCKER_GROUP_TYPE_GET(action->write.group_id) != + ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD) { + DPRINTF("Bridging mode vlan dflt needs L2 " + "flood group (0x%08x)\n", + action->write.group_id); + return -ROCKER_EINVAL; + } + break; + case BRIDGING_MODE_TUNNEL_MCAST: + if (ROCKER_GROUP_TYPE_GET(action->write.group_id) != + ROCKER_OF_DPA_GROUP_TYPE_L2_OVERLAY) { + DPRINTF("Bridging mode tunnel mcast needs L2 " + "overlay group (0x%08x)\n", + action->write.group_id); + return -ROCKER_EINVAL; + } + break; + case BRIDGING_MODE_TUNNEL_DFLT: + if (ROCKER_GROUP_TYPE_GET(action->write.group_id) != + ROCKER_OF_DPA_GROUP_TYPE_L2_OVERLAY) { + DPRINTF("Bridging mode tunnel dflt needs L2 " + "overlay group (0x%08x)\n", + action->write.group_id); + return -ROCKER_EINVAL; + } + break; + default: + return -ROCKER_EINVAL; + } + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_TUNNEL_LPORT]) { + action->write.tun_log_lport = + rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_TUNNEL_LPORT]); + if (mode != BRIDGING_MODE_TUNNEL_UCAST) { + DPRINTF("Have tunnel logical port but not " + "in bridging tunnel mode\n"); + return -ROCKER_EINVAL; + } + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_COPY_CPU_ACTION]) { + action->apply.copy_to_cpu = + rocker_tlv_get_u8(flow_tlvs[ROCKER_TLV_OF_DPA_COPY_CPU_ACTION]); + } + + return ROCKER_OK; +} + +static int of_dpa_cmd_add_unicast_routing(OfDpaFlow *flow, + RockerTlv **flow_tlvs) +{ + OfDpaFlowKey *key = &flow->key; + OfDpaFlowKey *mask = &flow->mask; + OfDpaFlowAction *action = &flow->action; + enum { + UNICAST_ROUTING_MODE_UNKNOWN, + UNICAST_ROUTING_MODE_IPV4, + UNICAST_ROUTING_MODE_IPV6, + } mode = UNICAST_ROUTING_MODE_UNKNOWN; + uint8_t type; + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_ETHERTYPE]) { + return -ROCKER_EINVAL; + } + + key->tbl_id = ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING; + key->width = FLOW_KEY_WIDTH(ipv6.addr.dst); + + key->eth.type = rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_ETHERTYPE]); + switch (ntohs(key->eth.type)) { + case 0x0800: + mode = UNICAST_ROUTING_MODE_IPV4; + break; + case 0x86dd: + mode = UNICAST_ROUTING_MODE_IPV6; + break; + default: + return -ROCKER_EINVAL; + } + mask->eth.type = htons(0xffff); + + switch (mode) { + case UNICAST_ROUTING_MODE_IPV4: + if (!flow_tlvs[ROCKER_TLV_OF_DPA_DST_IP]) { + return -ROCKER_EINVAL; + } + key->ipv4.addr.dst = + rocker_tlv_get_u32(flow_tlvs[ROCKER_TLV_OF_DPA_DST_IP]); + if (ipv4_addr_is_multicast(key->ipv4.addr.dst)) { + return -ROCKER_EINVAL; + } + flow->lpm = of_dpa_mask2prefix(htonl(0xffffffff)); + if (flow_tlvs[ROCKER_TLV_OF_DPA_DST_IP_MASK]) { + mask->ipv4.addr.dst = + rocker_tlv_get_u32(flow_tlvs[ROCKER_TLV_OF_DPA_DST_IP_MASK]); + flow->lpm = of_dpa_mask2prefix(mask->ipv4.addr.dst); + } + break; + case UNICAST_ROUTING_MODE_IPV6: + if (!flow_tlvs[ROCKER_TLV_OF_DPA_DST_IPV6]) { + return -ROCKER_EINVAL; + } + memcpy(&key->ipv6.addr.dst, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_DST_IPV6]), + sizeof(key->ipv6.addr.dst)); + if (ipv6_addr_is_multicast(&key->ipv6.addr.dst)) { + return -ROCKER_EINVAL; + } + if (flow_tlvs[ROCKER_TLV_OF_DPA_DST_IPV6_MASK]) { + memcpy(&mask->ipv6.addr.dst, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_DST_IPV6_MASK]), + sizeof(mask->ipv6.addr.dst)); + } + break; + default: + return -ROCKER_EINVAL; + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]) { + action->goto_tbl = + rocker_tlv_get_le16(flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]); + if (action->goto_tbl != ROCKER_OF_DPA_TABLE_ID_ACL_POLICY) { + return -ROCKER_EINVAL; + } + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID]) { + action->write.group_id = + rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID]); + type = ROCKER_GROUP_TYPE_GET(action->write.group_id); + if (type != ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE && + type != ROCKER_OF_DPA_GROUP_TYPE_L3_UCAST && + type != ROCKER_OF_DPA_GROUP_TYPE_L3_ECMP) { + return -ROCKER_EINVAL; + } + } + + return ROCKER_OK; +} + +static int of_dpa_cmd_add_multicast_routing(OfDpaFlow *flow, + RockerTlv **flow_tlvs) +{ + OfDpaFlowKey *key = &flow->key; + OfDpaFlowKey *mask = &flow->mask; + OfDpaFlowAction *action = &flow->action; + enum { + MULTICAST_ROUTING_MODE_UNKNOWN, + MULTICAST_ROUTING_MODE_IPV4, + MULTICAST_ROUTING_MODE_IPV6, + } mode = MULTICAST_ROUTING_MODE_UNKNOWN; + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_ETHERTYPE] || + !flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]) { + return -ROCKER_EINVAL; + } + + key->tbl_id = ROCKER_OF_DPA_TABLE_ID_MULTICAST_ROUTING; + key->width = FLOW_KEY_WIDTH(ipv6.addr.dst); + + key->eth.type = rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_ETHERTYPE]); + switch (ntohs(key->eth.type)) { + case 0x0800: + mode = MULTICAST_ROUTING_MODE_IPV4; + break; + case 0x86dd: + mode = MULTICAST_ROUTING_MODE_IPV6; + break; + default: + return -ROCKER_EINVAL; + } + + key->eth.vlan_id = rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]); + + switch (mode) { + case MULTICAST_ROUTING_MODE_IPV4: + + if (flow_tlvs[ROCKER_TLV_OF_DPA_SRC_IP]) { + key->ipv4.addr.src = + rocker_tlv_get_u32(flow_tlvs[ROCKER_TLV_OF_DPA_SRC_IP]); + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_SRC_IP_MASK]) { + mask->ipv4.addr.src = + rocker_tlv_get_u32(flow_tlvs[ROCKER_TLV_OF_DPA_SRC_IP_MASK]); + } + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_SRC_IP]) { + if (mask->ipv4.addr.src != 0) { + return -ROCKER_EINVAL; + } + } + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_DST_IP]) { + return -ROCKER_EINVAL; + } + + key->ipv4.addr.dst = + rocker_tlv_get_u32(flow_tlvs[ROCKER_TLV_OF_DPA_DST_IP]); + if (!ipv4_addr_is_multicast(key->ipv4.addr.dst)) { + return -ROCKER_EINVAL; + } + + break; + + case MULTICAST_ROUTING_MODE_IPV6: + + if (flow_tlvs[ROCKER_TLV_OF_DPA_SRC_IPV6]) { + memcpy(&key->ipv6.addr.src, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_SRC_IPV6]), + sizeof(key->ipv6.addr.src)); + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_SRC_IPV6_MASK]) { + memcpy(&mask->ipv6.addr.src, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_SRC_IPV6_MASK]), + sizeof(mask->ipv6.addr.src)); + } + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_SRC_IPV6]) { + if (mask->ipv6.addr.src.addr32[0] != 0 && + mask->ipv6.addr.src.addr32[1] != 0 && + mask->ipv6.addr.src.addr32[2] != 0 && + mask->ipv6.addr.src.addr32[3] != 0) { + return -ROCKER_EINVAL; + } + } + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_DST_IPV6]) { + return -ROCKER_EINVAL; + } + + memcpy(&key->ipv6.addr.dst, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_DST_IPV6]), + sizeof(key->ipv6.addr.dst)); + if (!ipv6_addr_is_multicast(&key->ipv6.addr.dst)) { + return -ROCKER_EINVAL; + } + + break; + + default: + return -ROCKER_EINVAL; + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]) { + action->goto_tbl = + rocker_tlv_get_le16(flow_tlvs[ROCKER_TLV_OF_DPA_GOTO_TABLE_ID]); + if (action->goto_tbl != ROCKER_OF_DPA_TABLE_ID_ACL_POLICY) { + return -ROCKER_EINVAL; + } + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID]) { + action->write.group_id = + rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID]); + if (ROCKER_GROUP_TYPE_GET(action->write.group_id) != + ROCKER_OF_DPA_GROUP_TYPE_L3_MCAST) { + return -ROCKER_EINVAL; + } + action->write.vlan_id = key->eth.vlan_id; + } + + return ROCKER_OK; +} + +static int of_dpa_cmd_add_acl_ip(OfDpaFlowKey *key, OfDpaFlowKey *mask, + RockerTlv **flow_tlvs) +{ + key->width = FLOW_KEY_WIDTH(ip.tos); + + key->ip.proto = 0; + key->ip.tos = 0; + mask->ip.proto = 0; + mask->ip.tos = 0; + + if (flow_tlvs[ROCKER_TLV_OF_DPA_IP_PROTO]) { + key->ip.proto = + rocker_tlv_get_u8(flow_tlvs[ROCKER_TLV_OF_DPA_IP_PROTO]); + } + if (flow_tlvs[ROCKER_TLV_OF_DPA_IP_PROTO_MASK]) { + mask->ip.proto = + rocker_tlv_get_u8(flow_tlvs[ROCKER_TLV_OF_DPA_IP_PROTO_MASK]); + } + if (flow_tlvs[ROCKER_TLV_OF_DPA_IP_DSCP]) { + key->ip.tos = + rocker_tlv_get_u8(flow_tlvs[ROCKER_TLV_OF_DPA_IP_DSCP]); + } + if (flow_tlvs[ROCKER_TLV_OF_DPA_IP_DSCP_MASK]) { + mask->ip.tos = + rocker_tlv_get_u8(flow_tlvs[ROCKER_TLV_OF_DPA_IP_DSCP_MASK]); + } + if (flow_tlvs[ROCKER_TLV_OF_DPA_IP_ECN]) { + key->ip.tos |= + rocker_tlv_get_u8(flow_tlvs[ROCKER_TLV_OF_DPA_IP_ECN]) << 6; + } + if (flow_tlvs[ROCKER_TLV_OF_DPA_IP_ECN_MASK]) { + mask->ip.tos |= + rocker_tlv_get_u8(flow_tlvs[ROCKER_TLV_OF_DPA_IP_ECN_MASK]) << 6; + } + + return ROCKER_OK; +} + +static int of_dpa_cmd_add_acl(OfDpaFlow *flow, RockerTlv **flow_tlvs) +{ + OfDpaFlowKey *key = &flow->key; + OfDpaFlowKey *mask = &flow->mask; + OfDpaFlowAction *action = &flow->action; + enum { + ACL_MODE_UNKNOWN, + ACL_MODE_IPV4_VLAN, + ACL_MODE_IPV6_VLAN, + ACL_MODE_IPV4_TENANT, + ACL_MODE_IPV6_TENANT, + ACL_MODE_NON_IP_VLAN, + ACL_MODE_NON_IP_TENANT, + ACL_MODE_ANY_VLAN, + ACL_MODE_ANY_TENANT, + } mode = ACL_MODE_UNKNOWN; + int err = ROCKER_OK; + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT] || + !flow_tlvs[ROCKER_TLV_OF_DPA_ETHERTYPE]) { + return -ROCKER_EINVAL; + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID] && + flow_tlvs[ROCKER_TLV_OF_DPA_TUNNEL_ID]) { + return -ROCKER_EINVAL; + } + + key->tbl_id = ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; + key->width = FLOW_KEY_WIDTH(eth.type); + + key->in_pport = rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT]); + if (flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT_MASK]) { + mask->in_pport = + rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_IN_PPORT_MASK]); + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_SRC_MAC]) { + memcpy(key->eth.src.a, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_SRC_MAC]), + sizeof(key->eth.src.a)); + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_SRC_MAC_MASK]) { + memcpy(mask->eth.src.a, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_SRC_MAC_MASK]), + sizeof(mask->eth.src.a)); + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC]) { + memcpy(key->eth.dst.a, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC]), + sizeof(key->eth.dst.a)); + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC_MASK]) { + memcpy(mask->eth.dst.a, + rocker_tlv_data(flow_tlvs[ROCKER_TLV_OF_DPA_DST_MAC_MASK]), + sizeof(mask->eth.dst.a)); + } + + key->eth.type = rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_ETHERTYPE]); + if (key->eth.type) { + mask->eth.type = 0xffff; + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]) { + key->eth.vlan_id = + rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]); + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID_MASK]) { + mask->eth.vlan_id = + rocker_tlv_get_u16(flow_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID_MASK]); + } + + switch (ntohs(key->eth.type)) { + case 0x0000: + mode = (key->eth.vlan_id) ? ACL_MODE_ANY_VLAN : ACL_MODE_ANY_TENANT; + break; + case 0x0800: + mode = (key->eth.vlan_id) ? ACL_MODE_IPV4_VLAN : ACL_MODE_IPV4_TENANT; + break; + case 0x86dd: + mode = (key->eth.vlan_id) ? ACL_MODE_IPV6_VLAN : ACL_MODE_IPV6_TENANT; + break; + default: + mode = (key->eth.vlan_id) ? ACL_MODE_NON_IP_VLAN : + ACL_MODE_NON_IP_TENANT; + break; + } + + /* XXX only supporting VLAN modes for now */ + if (mode != ACL_MODE_IPV4_VLAN && + mode != ACL_MODE_IPV6_VLAN && + mode != ACL_MODE_NON_IP_VLAN && + mode != ACL_MODE_ANY_VLAN) { + return -ROCKER_EINVAL; + } + + switch (ntohs(key->eth.type)) { + case 0x0800: + case 0x86dd: + err = of_dpa_cmd_add_acl_ip(key, mask, flow_tlvs); + break; + } + + if (err) { + return err; + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID]) { + action->write.group_id = + rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID]); + } + + if (flow_tlvs[ROCKER_TLV_OF_DPA_COPY_CPU_ACTION]) { + action->apply.copy_to_cpu = + rocker_tlv_get_u8(flow_tlvs[ROCKER_TLV_OF_DPA_COPY_CPU_ACTION]); + } + + return ROCKER_OK; +} + +static int of_dpa_cmd_flow_add_mod(OfDpa *of_dpa, OfDpaFlow *flow, + RockerTlv **flow_tlvs) +{ + enum rocker_of_dpa_table_id tbl; + int err = ROCKER_OK; + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_TABLE_ID] || + !flow_tlvs[ROCKER_TLV_OF_DPA_PRIORITY] || + !flow_tlvs[ROCKER_TLV_OF_DPA_HARDTIME]) { + return -ROCKER_EINVAL; + } + + tbl = rocker_tlv_get_le16(flow_tlvs[ROCKER_TLV_OF_DPA_TABLE_ID]); + flow->priority = rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_PRIORITY]); + flow->hardtime = rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_HARDTIME]); + + if (flow_tlvs[ROCKER_TLV_OF_DPA_IDLETIME]) { + if (tbl == ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT || + tbl == ROCKER_OF_DPA_TABLE_ID_VLAN || + tbl == ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC) { + return -ROCKER_EINVAL; + } + flow->idletime = + rocker_tlv_get_le32(flow_tlvs[ROCKER_TLV_OF_DPA_IDLETIME]); + } + + switch (tbl) { + case ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT: + err = of_dpa_cmd_add_ig_port(flow, flow_tlvs); + break; + case ROCKER_OF_DPA_TABLE_ID_VLAN: + err = of_dpa_cmd_add_vlan(flow, flow_tlvs); + break; + case ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC: + err = of_dpa_cmd_add_term_mac(flow, flow_tlvs); + break; + case ROCKER_OF_DPA_TABLE_ID_BRIDGING: + err = of_dpa_cmd_add_bridging(flow, flow_tlvs); + break; + case ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING: + err = of_dpa_cmd_add_unicast_routing(flow, flow_tlvs); + break; + case ROCKER_OF_DPA_TABLE_ID_MULTICAST_ROUTING: + err = of_dpa_cmd_add_multicast_routing(flow, flow_tlvs); + break; + case ROCKER_OF_DPA_TABLE_ID_ACL_POLICY: + err = of_dpa_cmd_add_acl(flow, flow_tlvs); + break; + } + + return err; +} + +static int of_dpa_cmd_flow_add(OfDpa *of_dpa, uint64_t cookie, + RockerTlv **flow_tlvs) +{ + OfDpaFlow *flow = of_dpa_flow_find(of_dpa, cookie); + int err = ROCKER_OK; + + if (flow) { + return -ROCKER_EEXIST; + } + + flow = of_dpa_flow_alloc(cookie); + if (!flow) { + return -ROCKER_ENOMEM; + } + + err = of_dpa_cmd_flow_add_mod(of_dpa, flow, flow_tlvs); + if (err) { + g_free(flow); + return err; + } + + return of_dpa_flow_add(of_dpa, flow); +} + +static int of_dpa_cmd_flow_mod(OfDpa *of_dpa, uint64_t cookie, + RockerTlv **flow_tlvs) +{ + OfDpaFlow *flow = of_dpa_flow_find(of_dpa, cookie); + + if (!flow) { + return -ROCKER_ENOENT; + } + + return of_dpa_cmd_flow_add_mod(of_dpa, flow, flow_tlvs); +} + +static int of_dpa_cmd_flow_del(OfDpa *of_dpa, uint64_t cookie) +{ + OfDpaFlow *flow = of_dpa_flow_find(of_dpa, cookie); + + if (!flow) { + return -ROCKER_ENOENT; + } + + of_dpa_flow_del(of_dpa, flow); + + return ROCKER_OK; +} + +static int of_dpa_cmd_flow_get_stats(OfDpa *of_dpa, uint64_t cookie, + struct desc_info *info, char *buf) +{ + OfDpaFlow *flow = of_dpa_flow_find(of_dpa, cookie); + size_t tlv_size; + int64_t now = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) / 1000; + int pos; + + if (!flow) { + return -ROCKER_ENOENT; + } + + tlv_size = rocker_tlv_total_size(sizeof(uint32_t)) + /* duration */ + rocker_tlv_total_size(sizeof(uint64_t)) + /* rx_pkts */ + rocker_tlv_total_size(sizeof(uint64_t)); /* tx_ptks */ + + if (tlv_size > desc_buf_size(info)) { + return -ROCKER_EMSGSIZE; + } + + pos = 0; + rocker_tlv_put_le32(buf, &pos, ROCKER_TLV_OF_DPA_FLOW_STAT_DURATION, + (int32_t)(now - flow->stats.install_time)); + rocker_tlv_put_le64(buf, &pos, ROCKER_TLV_OF_DPA_FLOW_STAT_RX_PKTS, + flow->stats.rx_pkts); + rocker_tlv_put_le64(buf, &pos, ROCKER_TLV_OF_DPA_FLOW_STAT_TX_PKTS, + flow->stats.tx_pkts); + + return desc_set_buf(info, tlv_size); +} + +static int of_dpa_flow_cmd(OfDpa *of_dpa, struct desc_info *info, + char *buf, uint16_t cmd, + RockerTlv **flow_tlvs) +{ + uint64_t cookie; + + if (!flow_tlvs[ROCKER_TLV_OF_DPA_COOKIE]) { + return -ROCKER_EINVAL; + } + + cookie = rocker_tlv_get_le64(flow_tlvs[ROCKER_TLV_OF_DPA_COOKIE]); + + switch (cmd) { + case ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_ADD: + return of_dpa_cmd_flow_add(of_dpa, cookie, flow_tlvs); + case ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_MOD: + return of_dpa_cmd_flow_mod(of_dpa, cookie, flow_tlvs); + case ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_DEL: + return of_dpa_cmd_flow_del(of_dpa, cookie); + case ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_GET_STATS: + return of_dpa_cmd_flow_get_stats(of_dpa, cookie, info, buf); + } + + return -ROCKER_ENOTSUP; +} + +static int of_dpa_cmd_add_l2_interface(OfDpaGroup *group, + RockerTlv **group_tlvs) +{ + if (!group_tlvs[ROCKER_TLV_OF_DPA_OUT_PPORT] || + !group_tlvs[ROCKER_TLV_OF_DPA_POP_VLAN]) { + return -ROCKER_EINVAL; + } + + group->l2_interface.out_pport = + rocker_tlv_get_le32(group_tlvs[ROCKER_TLV_OF_DPA_OUT_PPORT]); + group->l2_interface.pop_vlan = + rocker_tlv_get_u8(group_tlvs[ROCKER_TLV_OF_DPA_POP_VLAN]); + + return ROCKER_OK; +} + +static int of_dpa_cmd_add_l2_rewrite(OfDpa *of_dpa, OfDpaGroup *group, + RockerTlv **group_tlvs) +{ + OfDpaGroup *l2_interface_group; + + if (!group_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID_LOWER]) { + return -ROCKER_EINVAL; + } + + group->l2_rewrite.group_id = + rocker_tlv_get_le32(group_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID_LOWER]); + + l2_interface_group = of_dpa_group_find(of_dpa, group->l2_rewrite.group_id); + if (!l2_interface_group || + ROCKER_GROUP_TYPE_GET(l2_interface_group->id) != + ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE) { + DPRINTF("l2 rewrite group needs a valid l2 interface group\n"); + return -ROCKER_EINVAL; + } + + if (group_tlvs[ROCKER_TLV_OF_DPA_SRC_MAC]) { + memcpy(group->l2_rewrite.src_mac.a, + rocker_tlv_data(group_tlvs[ROCKER_TLV_OF_DPA_SRC_MAC]), + sizeof(group->l2_rewrite.src_mac.a)); + } + + if (group_tlvs[ROCKER_TLV_OF_DPA_DST_MAC]) { + memcpy(group->l2_rewrite.dst_mac.a, + rocker_tlv_data(group_tlvs[ROCKER_TLV_OF_DPA_DST_MAC]), + sizeof(group->l2_rewrite.dst_mac.a)); + } + + if (group_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]) { + group->l2_rewrite.vlan_id = + rocker_tlv_get_u16(group_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]); + if (ROCKER_GROUP_VLAN_GET(l2_interface_group->id) != + (ntohs(group->l2_rewrite.vlan_id) & VLAN_VID_MASK)) { + DPRINTF("Set VLAN ID must be same as L2 interface group\n"); + return -ROCKER_EINVAL; + } + } + + return ROCKER_OK; +} + +static int of_dpa_cmd_add_l2_flood(OfDpa *of_dpa, OfDpaGroup *group, + RockerTlv **group_tlvs) +{ + OfDpaGroup *l2_group; + RockerTlv **tlvs; + int err; + int i; + + if (!group_tlvs[ROCKER_TLV_OF_DPA_GROUP_COUNT] || + !group_tlvs[ROCKER_TLV_OF_DPA_GROUP_IDS]) { + return -ROCKER_EINVAL; + } + + group->l2_flood.group_count = + rocker_tlv_get_le16(group_tlvs[ROCKER_TLV_OF_DPA_GROUP_COUNT]); + + tlvs = g_new0(RockerTlv *, group->l2_flood.group_count + 1); + if (!tlvs) { + return -ROCKER_ENOMEM; + } + + g_free(group->l2_flood.group_ids); + group->l2_flood.group_ids = + g_new0(uint32_t, group->l2_flood.group_count); + if (!group->l2_flood.group_ids) { + err = -ROCKER_ENOMEM; + goto err_out; + } + + rocker_tlv_parse_nested(tlvs, group->l2_flood.group_count, + group_tlvs[ROCKER_TLV_OF_DPA_GROUP_IDS]); + + for (i = 0; i < group->l2_flood.group_count; i++) { + group->l2_flood.group_ids[i] = rocker_tlv_get_le32(tlvs[i + 1]); + } + + /* All of the L2 interface groups referenced by the L2 flood + * must have same VLAN + */ + + for (i = 0; i < group->l2_flood.group_count; i++) { + l2_group = of_dpa_group_find(of_dpa, group->l2_flood.group_ids[i]); + if (!l2_group) { + continue; + } + if ((ROCKER_GROUP_TYPE_GET(l2_group->id) == + ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE) && + (ROCKER_GROUP_VLAN_GET(l2_group->id) != + ROCKER_GROUP_VLAN_GET(group->id))) { + DPRINTF("l2 interface group 0x%08x VLAN doesn't match l2 " + "flood group 0x%08x\n", + group->l2_flood.group_ids[i], group->id); + err = -ROCKER_EINVAL; + goto err_out; + } + } + + g_free(tlvs); + return ROCKER_OK; + +err_out: + group->l2_flood.group_count = 0; + g_free(group->l2_flood.group_ids); + g_free(tlvs); + + return err; +} + +static int of_dpa_cmd_add_l3_unicast(OfDpaGroup *group, RockerTlv **group_tlvs) +{ + if (!group_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID_LOWER]) { + return -ROCKER_EINVAL; + } + + group->l3_unicast.group_id = + rocker_tlv_get_le32(group_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID_LOWER]); + + if (group_tlvs[ROCKER_TLV_OF_DPA_SRC_MAC]) { + memcpy(group->l3_unicast.src_mac.a, + rocker_tlv_data(group_tlvs[ROCKER_TLV_OF_DPA_SRC_MAC]), + sizeof(group->l3_unicast.src_mac.a)); + } + + if (group_tlvs[ROCKER_TLV_OF_DPA_DST_MAC]) { + memcpy(group->l3_unicast.dst_mac.a, + rocker_tlv_data(group_tlvs[ROCKER_TLV_OF_DPA_DST_MAC]), + sizeof(group->l3_unicast.dst_mac.a)); + } + + if (group_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]) { + group->l3_unicast.vlan_id = + rocker_tlv_get_u16(group_tlvs[ROCKER_TLV_OF_DPA_VLAN_ID]); + } + + if (group_tlvs[ROCKER_TLV_OF_DPA_TTL_CHECK]) { + group->l3_unicast.ttl_check = + rocker_tlv_get_u8(group_tlvs[ROCKER_TLV_OF_DPA_TTL_CHECK]); + } + + return ROCKER_OK; +} + +static int of_dpa_cmd_group_do(OfDpa *of_dpa, uint32_t group_id, + OfDpaGroup *group, RockerTlv **group_tlvs) +{ + uint8_t type = ROCKER_GROUP_TYPE_GET(group_id); + + switch (type) { + case ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE: + return of_dpa_cmd_add_l2_interface(group, group_tlvs); + case ROCKER_OF_DPA_GROUP_TYPE_L2_REWRITE: + return of_dpa_cmd_add_l2_rewrite(of_dpa, group, group_tlvs); + case ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD: + /* Treat L2 multicast group same as a L2 flood group */ + case ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST: + return of_dpa_cmd_add_l2_flood(of_dpa, group, group_tlvs); + case ROCKER_OF_DPA_GROUP_TYPE_L3_UCAST: + return of_dpa_cmd_add_l3_unicast(group, group_tlvs); + } + + return -ROCKER_ENOTSUP; +} + +static int of_dpa_cmd_group_add(OfDpa *of_dpa, uint32_t group_id, + RockerTlv **group_tlvs) +{ + OfDpaGroup *group = of_dpa_group_find(of_dpa, group_id); + int err; + + if (group) { + return -ROCKER_EEXIST; + } + + group = of_dpa_group_alloc(group_id); + if (!group) { + return -ROCKER_ENOMEM; + } + + err = of_dpa_cmd_group_do(of_dpa, group_id, group, group_tlvs); + if (err) { + goto err_cmd_add; + } + + err = of_dpa_group_add(of_dpa, group); + if (err) { + goto err_cmd_add; + } + + return ROCKER_OK; + +err_cmd_add: + g_free(group); + return err; +} + +static int of_dpa_cmd_group_mod(OfDpa *of_dpa, uint32_t group_id, + RockerTlv **group_tlvs) +{ + OfDpaGroup *group = of_dpa_group_find(of_dpa, group_id); + + if (!group) { + return -ROCKER_ENOENT; + } + + return of_dpa_cmd_group_do(of_dpa, group_id, group, group_tlvs); +} + +static int of_dpa_cmd_group_del(OfDpa *of_dpa, uint32_t group_id) +{ + OfDpaGroup *group = of_dpa_group_find(of_dpa, group_id); + + if (!group) { + return -ROCKER_ENOENT; + } + + return of_dpa_group_del(of_dpa, group); +} + +static int of_dpa_cmd_group_get_stats(OfDpa *of_dpa, uint32_t group_id, + struct desc_info *info, char *buf) +{ + return -ROCKER_ENOTSUP; +} + +static int of_dpa_group_cmd(OfDpa *of_dpa, struct desc_info *info, + char *buf, uint16_t cmd, RockerTlv **group_tlvs) +{ + uint32_t group_id; + + if (!group_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID]) { + return -ROCKER_EINVAL; + } + + group_id = rocker_tlv_get_le32(group_tlvs[ROCKER_TLV_OF_DPA_GROUP_ID]); + + switch (cmd) { + case ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_ADD: + return of_dpa_cmd_group_add(of_dpa, group_id, group_tlvs); + case ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_MOD: + return of_dpa_cmd_group_mod(of_dpa, group_id, group_tlvs); + case ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_DEL: + return of_dpa_cmd_group_del(of_dpa, group_id); + case ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_GET_STATS: + return of_dpa_cmd_group_get_stats(of_dpa, group_id, info, buf); + } + + return -ROCKER_ENOTSUP; +} + +static int of_dpa_cmd(World *world, struct desc_info *info, + char *buf, uint16_t cmd, RockerTlv *cmd_info_tlv) +{ + OfDpa *of_dpa = world_private(world); + RockerTlv *tlvs[ROCKER_TLV_OF_DPA_MAX + 1]; + + rocker_tlv_parse_nested(tlvs, ROCKER_TLV_OF_DPA_MAX, cmd_info_tlv); + + switch (cmd) { + case ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_ADD: + case ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_MOD: + case ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_DEL: + case ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_GET_STATS: + return of_dpa_flow_cmd(of_dpa, info, buf, cmd, tlvs); + case ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_ADD: + case ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_MOD: + case ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_DEL: + case ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_GET_STATS: + return of_dpa_group_cmd(of_dpa, info, buf, cmd, tlvs); + } + + return -ROCKER_ENOTSUP; +} + +static gboolean rocker_int64_equal(gconstpointer v1, gconstpointer v2) +{ + return *((const uint64_t *)v1) == *((const uint64_t *)v2); +} + +static guint rocker_int64_hash(gconstpointer v) +{ + return (guint)*(const uint64_t *)v; +} + +static int of_dpa_init(World *world) +{ + OfDpa *of_dpa = world_private(world); + + of_dpa->world = world; + + of_dpa->flow_tbl = g_hash_table_new_full(rocker_int64_hash, + rocker_int64_equal, + NULL, g_free); + if (!of_dpa->flow_tbl) { + return -ENOMEM; + } + + of_dpa->group_tbl = g_hash_table_new_full(g_int_hash, g_int_equal, + NULL, g_free); + if (!of_dpa->group_tbl) { + goto err_group_tbl; + } + + /* XXX hardcode some artificial table max values */ + of_dpa->flow_tbl_max_size = 100; + of_dpa->group_tbl_max_size = 100; + + return 0; + +err_group_tbl: + g_hash_table_destroy(of_dpa->flow_tbl); + return -ENOMEM; +} + +static void of_dpa_uninit(World *world) +{ + OfDpa *of_dpa = world_private(world); + + g_hash_table_destroy(of_dpa->group_tbl); + g_hash_table_destroy(of_dpa->flow_tbl); +} + +struct of_dpa_flow_fill_context { + RockerOfDpaFlowList *list; + uint32_t tbl_id; +}; + +static void of_dpa_flow_fill(void *cookie, void *value, void *user_data) +{ + struct of_dpa_flow *flow = value; + struct of_dpa_flow_key *key = &flow->key; + struct of_dpa_flow_key *mask = &flow->mask; + struct of_dpa_flow_fill_context *flow_context = user_data; + RockerOfDpaFlowList *new; + RockerOfDpaFlow *nflow; + RockerOfDpaFlowKey *nkey; + RockerOfDpaFlowMask *nmask; + RockerOfDpaFlowAction *naction; + + if (flow_context->tbl_id != -1 && + flow_context->tbl_id != key->tbl_id) { + return; + } + + new = g_malloc0(sizeof(*new)); + nflow = new->value = g_malloc0(sizeof(*nflow)); + nkey = nflow->key = g_malloc0(sizeof(*nkey)); + nmask = nflow->mask = g_malloc0(sizeof(*nmask)); + naction = nflow->action = g_malloc0(sizeof(*naction)); + + nflow->cookie = flow->cookie; + nflow->hits = flow->stats.hits; + nkey->priority = flow->priority; + nkey->tbl_id = key->tbl_id; + + if (key->in_pport || mask->in_pport) { + nkey->has_in_pport = true; + nkey->in_pport = key->in_pport; + } + + if (nkey->has_in_pport && mask->in_pport != 0xffffffff) { + nmask->has_in_pport = true; + nmask->in_pport = mask->in_pport; + } + + if (key->eth.vlan_id || mask->eth.vlan_id) { + nkey->has_vlan_id = true; + nkey->vlan_id = ntohs(key->eth.vlan_id); + } + + if (nkey->has_vlan_id && mask->eth.vlan_id != 0xffff) { + nmask->has_vlan_id = true; + nmask->vlan_id = ntohs(mask->eth.vlan_id); + } + + if (key->tunnel_id || mask->tunnel_id) { + nkey->has_tunnel_id = true; + nkey->tunnel_id = key->tunnel_id; + } + + if (nkey->has_tunnel_id && mask->tunnel_id != 0xffffffff) { + nmask->has_tunnel_id = true; + nmask->tunnel_id = mask->tunnel_id; + } + + if (memcmp(key->eth.src.a, zero_mac.a, ETH_ALEN) || + memcmp(mask->eth.src.a, zero_mac.a, ETH_ALEN)) { + nkey->has_eth_src = true; + nkey->eth_src = qemu_mac_strdup_printf(key->eth.src.a); + } + + if (nkey->has_eth_src && memcmp(mask->eth.src.a, ff_mac.a, ETH_ALEN)) { + nmask->has_eth_src = true; + nmask->eth_src = qemu_mac_strdup_printf(mask->eth.src.a); + } + + if (memcmp(key->eth.dst.a, zero_mac.a, ETH_ALEN) || + memcmp(mask->eth.dst.a, zero_mac.a, ETH_ALEN)) { + nkey->has_eth_dst = true; + nkey->eth_dst = qemu_mac_strdup_printf(key->eth.dst.a); + } + + if (nkey->has_eth_dst && memcmp(mask->eth.dst.a, ff_mac.a, ETH_ALEN)) { + nmask->has_eth_dst = true; + nmask->eth_dst = qemu_mac_strdup_printf(mask->eth.dst.a); + } + + if (key->eth.type) { + + nkey->has_eth_type = true; + nkey->eth_type = ntohs(key->eth.type); + + switch (ntohs(key->eth.type)) { + case 0x0800: + case 0x86dd: + if (key->ip.proto || mask->ip.proto) { + nkey->has_ip_proto = true; + nkey->ip_proto = key->ip.proto; + } + if (nkey->has_ip_proto && mask->ip.proto != 0xff) { + nmask->has_ip_proto = true; + nmask->ip_proto = mask->ip.proto; + } + if (key->ip.tos || mask->ip.tos) { + nkey->has_ip_tos = true; + nkey->ip_tos = key->ip.tos; + } + if (nkey->has_ip_tos && mask->ip.tos != 0xff) { + nmask->has_ip_tos = true; + nmask->ip_tos = mask->ip.tos; + } + break; + } + + switch (ntohs(key->eth.type)) { + case 0x0800: + if (key->ipv4.addr.dst || mask->ipv4.addr.dst) { + char *dst = inet_ntoa(*(struct in_addr *)&key->ipv4.addr.dst); + int dst_len = of_dpa_mask2prefix(mask->ipv4.addr.dst); + nkey->has_ip_dst = true; + nkey->ip_dst = g_strdup_printf("%s/%d", dst, dst_len); + } + break; + } + } + + if (flow->action.goto_tbl) { + naction->has_goto_tbl = true; + naction->goto_tbl = flow->action.goto_tbl; + } + + if (flow->action.write.group_id) { + naction->has_group_id = true; + naction->group_id = flow->action.write.group_id; + } + + if (flow->action.apply.new_vlan_id) { + naction->has_new_vlan_id = true; + naction->new_vlan_id = flow->action.apply.new_vlan_id; + } + + new->next = flow_context->list; + flow_context->list = new; +} + +RockerOfDpaFlowList *qmp_query_rocker_of_dpa_flows(const char *name, + bool has_tbl_id, + uint32_t tbl_id, + Error **errp) +{ + struct rocker *r; + struct world *w; + struct of_dpa *of_dpa; + struct of_dpa_flow_fill_context fill_context = { + .list = NULL, + .tbl_id = tbl_id, + }; + + r = rocker_find(name); + if (!r) { + error_setg(errp, "rocker %s not found", name); + return NULL; + } + + w = rocker_get_world(r, ROCKER_WORLD_TYPE_OF_DPA); + if (!w) { + error_setg(errp, "rocker %s doesn't have OF-DPA world", name); + return NULL; + } + + of_dpa = world_private(w); + + g_hash_table_foreach(of_dpa->flow_tbl, of_dpa_flow_fill, &fill_context); + + return fill_context.list; +} + +struct of_dpa_group_fill_context { + RockerOfDpaGroupList *list; + uint8_t type; +}; + +static void of_dpa_group_fill(void *key, void *value, void *user_data) +{ + struct of_dpa_group *group = value; + struct of_dpa_group_fill_context *flow_context = user_data; + RockerOfDpaGroupList *new; + RockerOfDpaGroup *ngroup; + struct uint32List *id; + int i; + + if (flow_context->type != 9 && + flow_context->type != ROCKER_GROUP_TYPE_GET(group->id)) { + return; + } + + new = g_malloc0(sizeof(*new)); + ngroup = new->value = g_malloc0(sizeof(*ngroup)); + + ngroup->id = group->id; + + ngroup->type = ROCKER_GROUP_TYPE_GET(group->id); + + switch (ngroup->type) { + case ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE: + ngroup->has_vlan_id = true; + ngroup->vlan_id = ROCKER_GROUP_VLAN_GET(group->id); + ngroup->has_pport = true; + ngroup->pport = ROCKER_GROUP_PORT_GET(group->id); + ngroup->has_out_pport = true; + ngroup->out_pport = group->l2_interface.out_pport; + ngroup->has_pop_vlan = true; + ngroup->pop_vlan = group->l2_interface.pop_vlan; + break; + case ROCKER_OF_DPA_GROUP_TYPE_L2_REWRITE: + ngroup->has_index = true; + ngroup->index = ROCKER_GROUP_INDEX_LONG_GET(group->id); + ngroup->has_group_id = true; + ngroup->group_id = group->l2_rewrite.group_id; + if (group->l2_rewrite.vlan_id) { + ngroup->has_set_vlan_id = true; + ngroup->set_vlan_id = ntohs(group->l2_rewrite.vlan_id); + } + if (memcmp(group->l2_rewrite.src_mac.a, zero_mac.a, ETH_ALEN)) { + ngroup->has_set_eth_src = true; + ngroup->set_eth_src = + qemu_mac_strdup_printf(group->l2_rewrite.src_mac.a); + } + if (memcmp(group->l2_rewrite.dst_mac.a, zero_mac.a, ETH_ALEN)) { + ngroup->has_set_eth_dst = true; + ngroup->set_eth_dst = + qemu_mac_strdup_printf(group->l2_rewrite.dst_mac.a); + } + break; + case ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD: + case ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST: + ngroup->has_vlan_id = true; + ngroup->vlan_id = ROCKER_GROUP_VLAN_GET(group->id); + ngroup->has_index = true; + ngroup->index = ROCKER_GROUP_INDEX_GET(group->id); + for (i = 0; i < group->l2_flood.group_count; i++) { + ngroup->has_group_ids = true; + id = g_malloc0(sizeof(*id)); + id->value = group->l2_flood.group_ids[i]; + id->next = ngroup->group_ids; + ngroup->group_ids = id; + } + break; + case ROCKER_OF_DPA_GROUP_TYPE_L3_UCAST: + ngroup->has_index = true; + ngroup->index = ROCKER_GROUP_INDEX_LONG_GET(group->id); + ngroup->has_group_id = true; + ngroup->group_id = group->l3_unicast.group_id; + if (group->l3_unicast.vlan_id) { + ngroup->has_set_vlan_id = true; + ngroup->set_vlan_id = ntohs(group->l3_unicast.vlan_id); + } + if (memcmp(group->l3_unicast.src_mac.a, zero_mac.a, ETH_ALEN)) { + ngroup->has_set_eth_src = true; + ngroup->set_eth_src = + qemu_mac_strdup_printf(group->l3_unicast.src_mac.a); + } + if (memcmp(group->l3_unicast.dst_mac.a, zero_mac.a, ETH_ALEN)) { + ngroup->has_set_eth_dst = true; + ngroup->set_eth_dst = + qemu_mac_strdup_printf(group->l3_unicast.dst_mac.a); + } + if (group->l3_unicast.ttl_check) { + ngroup->has_ttl_check = true; + ngroup->ttl_check = group->l3_unicast.ttl_check; + } + break; + } + + new->next = flow_context->list; + flow_context->list = new; +} + +RockerOfDpaGroupList *qmp_query_rocker_of_dpa_groups(const char *name, + bool has_type, + uint8_t type, + Error **errp) +{ + struct rocker *r; + struct world *w; + struct of_dpa *of_dpa; + struct of_dpa_group_fill_context fill_context = { + .list = NULL, + .type = type, + }; + + r = rocker_find(name); + if (!r) { + error_setg(errp, "rocker %s not found", name); + return NULL; + } + + w = rocker_get_world(r, ROCKER_WORLD_TYPE_OF_DPA); + if (!w) { + error_setg(errp, "rocker %s doesn't have OF-DPA world", name); + return NULL; + } + + of_dpa = world_private(w); + + g_hash_table_foreach(of_dpa->group_tbl, of_dpa_group_fill, &fill_context); + + return fill_context.list; +} + +static WorldOps of_dpa_ops = { + .init = of_dpa_init, + .uninit = of_dpa_uninit, + .ig = of_dpa_ig, + .cmd = of_dpa_cmd, +}; + +World *of_dpa_world_alloc(Rocker *r) +{ + return world_alloc(r, sizeof(OfDpa), ROCKER_WORLD_TYPE_OF_DPA, &of_dpa_ops); +} |
