#include "prox_ipv6.h"
#include "tx_pkt.h"
-static inline int find_ip(struct ether_hdr_arp *pkt, uint16_t len, uint32_t *ip_dst)
+static inline int find_ip(struct ether_hdr_arp *pkt, uint16_t len, uint32_t *ip_dst, uint16_t *vlan)
{
prox_rte_vlan_hdr *vlan_hdr;
prox_rte_ether_hdr *eth_hdr = (prox_rte_ether_hdr*)pkt;
uint16_t ether_type = eth_hdr->ether_type;
uint16_t l2_len = sizeof(prox_rte_ether_hdr);
+ *vlan = 0;
// Unstack VLAN tags
while (((ether_type == ETYPE_8021ad) || (ether_type == ETYPE_VLAN)) && (l2_len + sizeof(prox_rte_vlan_hdr) < len)) {
vlan_hdr = (prox_rte_vlan_hdr *)((uint8_t *)pkt + l2_len);
l2_len +=4;
ether_type = vlan_hdr->eth_proto;
+ *vlan = rte_be_to_cpu_16(vlan_hdr->vlan_tci & 0xFF0F); // Store VLAN, or CVLAN if QinQ
}
switch (ether_type) {
return -1;
}
-static inline struct ipv6_addr *find_ip6(prox_rte_ether_hdr *pkt, uint16_t len, struct ipv6_addr *ip_dst)
+static inline void find_vlan(struct ether_hdr_arp *pkt, uint16_t len, uint16_t *vlan)
+{
+ prox_rte_vlan_hdr *vlan_hdr;
+ prox_rte_ether_hdr *eth_hdr = (prox_rte_ether_hdr*)pkt;
+ uint16_t ether_type = eth_hdr->ether_type;
+ uint16_t l2_len = sizeof(prox_rte_ether_hdr);
+
+ *vlan = 0;
+ // Unstack VLAN tags
+ while (((ether_type == ETYPE_8021ad) || (ether_type == ETYPE_VLAN)) && (l2_len + sizeof(prox_rte_vlan_hdr) < len)) {
+ vlan_hdr = (prox_rte_vlan_hdr *)((uint8_t *)pkt + l2_len);
+ l2_len +=4;
+ ether_type = vlan_hdr->eth_proto;
+ *vlan = rte_be_to_cpu_16(vlan_hdr->vlan_tci & 0xFF0F); // Store VLAN, or CVLAN if QinQ
+ }
+}
+
+static inline struct ipv6_addr *find_ip6(prox_rte_ether_hdr *pkt, uint16_t len, struct ipv6_addr *ip_dst, uint16_t *vlan)
{
prox_rte_vlan_hdr *vlan_hdr;
prox_rte_ipv6_hdr *ip;
uint16_t ether_type = pkt->ether_type;
uint16_t l2_len = sizeof(prox_rte_ether_hdr);
+ *vlan = 0;
// Unstack VLAN tags
while (((ether_type == ETYPE_8021ad) || (ether_type == ETYPE_VLAN)) && (l2_len + sizeof(prox_rte_vlan_hdr) < len)) {
vlan_hdr = (prox_rte_vlan_hdr *)((uint8_t *)pkt + l2_len);
l2_len +=4;
ether_type = vlan_hdr->eth_proto;
+ *vlan = rte_be_to_cpu_16(vlan_hdr->vlan_tci & 0xFF0F); // Store VLAN, or CVLAN if QinQ
}
switch (ether_type) {
return NULL;
}
-static void send_unsollicited_neighbour_advertisement(struct task_base *tbase, struct task_args *targ)
+void send_unsollicited_neighbour_advertisement(struct task_base *tbase)
{
int ret;
uint8_t out = 0, port_id = tbase->l3.reachable_port_id;
- struct rte_mbuf *mbuf;
-
- ret = rte_mempool_get(tbase->l3.arp_nd_pool, (void **)&mbuf);
- if (likely(ret == 0)) {
- mbuf->port = port_id;
- build_neighbour_advertisement(tbase->l3.tmaster, mbuf, &prox_port_cfg[port_id].eth_addr, &targ->local_ipv6, PROX_UNSOLLICITED);
- tbase->aux->tx_ctrlplane_pkt(tbase, &mbuf, 1, &out);
- TASK_STATS_ADD_TX_NON_DP(&tbase->aux->stats, 1);
- } else {
- plog_err("Failed to get a mbuf from arp/ndp mempool\n");
+ struct rte_mbuf *mbuf = NULL;
+
+ if (memcmp(&tbase->l3.local_ipv6, &null_addr, 16) != 0) {
+ ret = rte_mempool_get(tbase->l3.arp_nd_pool, (void **)&mbuf);
+ if (likely(ret == 0)) {
+ mbuf->port = port_id;
+ build_neighbour_advertisement(tbase->l3.tmaster, mbuf, &prox_port_cfg[port_id].eth_addr, &tbase->l3.local_ipv6, PROX_UNSOLLICITED, prox_port_cfg[port_id].vlan_tag);
+ tbase->aux->tx_ctrlplane_pkt(tbase, &mbuf, 1, &out);
+ TASK_STATS_ADD_TX_NON_DP(&tbase->aux->stats, 1);
+ } else {
+ plog_err("Failed to get a mbuf from arp/ndp mempool\n");
+ return;
+ }
+ }
+ if (memcmp(&tbase->l3.global_ipv6, &null_addr, 16) != 0) {
+ ret = rte_mempool_get(tbase->l3.arp_nd_pool, (void **)&mbuf);
+ if (likely(ret == 0)) {
+ mbuf->port = port_id;
+ build_neighbour_advertisement(tbase->l3.tmaster, mbuf, &prox_port_cfg[port_id].eth_addr, &tbase->l3.global_ipv6, PROX_UNSOLLICITED, prox_port_cfg[port_id].vlan_tag);
+ tbase->aux->tx_ctrlplane_pkt(tbase, &mbuf, 1, &out);
+ TASK_STATS_ADD_TX_NON_DP(&tbase->aux->stats, 1);
+ } else {
+ plog_err("Failed to get a mbuf from arp/ndp mempool\n");
+ return;
+ }
+ }
+ if (mbuf == NULL) {
+ plog_err("No neighbor advertisement sent as no local or global ipv6\n");
}
}
ret = rte_mempool_get(tbase->l3.arp_nd_pool, (void **)&mbuf);
if (likely(ret == 0)) {
mbuf->port = port_id;
- build_router_sollicitation(mbuf, &prox_port_cfg[port_id].eth_addr, &targ->local_ipv6);
+ build_router_sollicitation(mbuf, &prox_port_cfg[port_id].eth_addr, &targ->local_ipv6, prox_port_cfg[port_id].vlan_tag);
tbase->aux->tx_ctrlplane_pkt(tbase, &mbuf, 1, &out);
TASK_STATS_ADD_TX_NON_DP(&tbase->aux->stats, 1);
} else {
return DROP_MBUF;
}
-int write_dst_mac(struct task_base *tbase, struct rte_mbuf *mbuf, uint32_t *ip_dst, uint64_t **time, uint64_t tsc)
+int write_dst_mac(struct task_base *tbase, struct rte_mbuf *mbuf, uint32_t *ip_dst, uint16_t *vlan, uint64_t **time, uint64_t tsc)
{
const uint64_t hz = rte_get_tsc_hz();
struct ether_hdr_arp *packet = rte_pktmbuf_mtod(mbuf, struct ether_hdr_arp *);
// If a gw (gateway_ipv4) is also specified, it is used as default gw only i.e. lowest priority (shortest prefix)
// This is implemented automatically through lpm
uint16_t len = rte_pktmbuf_pkt_len(mbuf);
- if (find_ip(packet, len, ip_dst) != 0) {
+ if (find_ip(packet, len, ip_dst, vlan) != 0) {
// Unable to find IP address => non IP packet => send it as it
return SEND_MBUF;
}
// Prevent printing too many messages
n_no_route++;
if (tsc > last_tsc + rte_get_tsc_hz()) {
- plog_err("No route to IP "IPv4_BYTES_FMT" (%ld times)\n", IP4(*ip_dst), n_no_route);
+ plogx_err("No route to IP "IPv4_BYTES_FMT" (%ld times)\n", IP4(*ip_dst), n_no_route);
last_tsc = tsc;
n_no_route = 0;
}
}
// No Routing table specified: only a local ip and maybe a gateway
// Old default behavior: if a gw is specified, ALL packets go to this gateway (even those we could send w/o the gw
+
+ uint16_t len = rte_pktmbuf_pkt_len(mbuf);
if (l3->gw.ip) {
+ find_vlan(packet, len, vlan);
if (likely((l3->flags & FLAG_DST_MAC_KNOWN) && (tsc < l3->gw.arp_ndp_retransmit_timeout) && (tsc < l3->gw.reachable_timeout))) {
memcpy(mac, &l3->gw.mac, sizeof(prox_rte_ether_addr));
return SEND_MBUF;
}
}
- uint16_t len = rte_pktmbuf_pkt_len(mbuf);
- if (find_ip(packet, len, ip_dst) != 0) {
+ if (find_ip(packet, len, ip_dst, vlan) != 0) {
// Unable to find IP address => non IP packet => send it as it
return SEND_MBUF;
}
return DROP_MBUF;
}
-int write_ip6_dst_mac(struct task_base *tbase, struct rte_mbuf *mbuf, struct ipv6_addr *ip_dst)
+int write_ip6_dst_mac(struct task_base *tbase, struct rte_mbuf *mbuf, struct ipv6_addr *ip_dst, uint16_t *vlan)
{
const uint64_t hz = rte_get_tsc_hz();
prox_rte_ether_hdr *packet = rte_pktmbuf_mtod(mbuf, prox_rte_ether_hdr *);
uint16_t len = rte_pktmbuf_pkt_len(mbuf);
struct ipv6_addr *pkt_src_ip6;
- if ((pkt_src_ip6 = find_ip6(packet, len, ip_dst)) == NULL) {
+ if ((pkt_src_ip6 = find_ip6(packet, len, ip_dst, vlan)) == NULL) {
// Unable to find IP address => non IP packet => send it as it
return SEND_MBUF;
}
struct l3_base *l3 = &(tbase->l3);
+
+ // Configure source IP
if (memcmp(&l3->local_ipv6, ip_dst, 8) == 0) {
// Same prefix as local -> use local
used_ip_src = &l3->local_ipv6;
- } else if (memcmp(&l3->global_ipv6 , &null_addr, 16) != 0) {
+ } else if (memcmp(&l3->global_ipv6 , ip_dst, 8) == 0) {
+ // Same prefix as global -> use global
+ used_ip_src = &l3->global_ipv6;
+ } else if (memcmp(&l3->gw.ip6 , &null_addr, sizeof(struct ipv6_addr)) != 0) {
+ used_ip_src = &l3->global_ipv6;
+ memcpy(ip_dst, &l3->gw.ip6, sizeof(struct ipv6_addr));
+ } else if (memcmp(&l3->global_ipv6 , &null_addr, sizeof(struct ipv6_addr)) != 0) {
// Global IP is defined -> use it
used_ip_src = &l3->global_ipv6;
} else {
plog_info("Error as trying to send a packet to "IPv6_BYTES_FMT" using "IPv6_BYTES_FMT" (local)\n", IPv6_BYTES(ip_dst->bytes), IPv6_BYTES(l3->local_ipv6.bytes));
return DROP_MBUF;
}
-
memcpy(pkt_src_ip6, used_ip_src, sizeof(struct ipv6_addr));
+
+ // Configure dst mac
if (likely(l3->n_pkts < 4)) {
for (unsigned int idx = 0; idx < l3->n_pkts; idx++) {
if (memcmp(ip_dst, &l3->optimized_arp_table[idx].ip6, sizeof(struct ipv6_addr)) == 0) {
.hash_func_init_val = 0,
};
if (targ->flags & TASK_ARG_L3) {
- plog_info("\tInitializing L3 (IPv4)\n");
+ plog_info("\t\tInitializing L3 (IPv4)\n");
tbase->l3.ip_hash = rte_hash_create(&hash_params);
PROX_PANIC(tbase->l3.ip_hash == NULL, "Failed to set up ip hash table\n");
hash_name[0]++;
}
if (targ->flags & TASK_ARG_NDP) {
- plog_info("\tInitializing NDP (IPv6)\n");
+ plog_info("\t\tInitializing NDP (IPv6)\n");
hash_params.key_len = sizeof(struct ipv6_addr);
tbase->l3.ip6_hash = rte_hash_create(&hash_params);
PROX_PANIC(tbase->l3.ip6_hash == NULL, "Failed to set up ip hash table\n");
}
tbase->l3.arp_table = (struct arp_table *)prox_zmalloc(n_entries * sizeof(struct arp_table), socket_id);
PROX_PANIC(tbase->l3.arp_table == NULL, "Failed to allocate memory for %u entries in arp/ndp table\n", n_entries);
- plog_info("\tarp/ndp table, with %d entries of size %ld\n", n_entries, sizeof(struct l3_base));
+ plog_info("\t\tarp/ndp table, with %d entries of size %ld\n", n_entries, sizeof(struct l3_base));
targ->lconf->ctrl_func_p[targ->task] = handle_ctrl_plane_pkts;
targ->lconf->ctrl_timeout = freq_to_tsc(targ->ctrl_freq);
tbase->l3.gw.ip = rte_cpu_to_be_32(targ->gateway_ipv4);
+ memcpy(&tbase->l3.gw.ip6, &targ->gateway_ipv6, sizeof(struct ipv6_addr));
tbase->flags |= TASK_L3;
tbase->l3.core_id = targ->lconf->id;
tbase->l3.task_id = targ->id;
if (port && (tbase->l3.arp_nd_pool == NULL)) {
static char name[] = "arp0_pool";
tbase->l3.reachable_port_id = port - prox_port_cfg;
+ if ((targ->local_ipv4 && port->ip) && (targ->local_ipv4 != port->ip)) {
+ PROX_PANIC(1, "local_ipv4 in core section ("IPv4_BYTES_FMT") differs from port section ("IPv4_BYTES_FMT")\n", IP4(rte_be_to_cpu_32(targ->local_ipv4)), IP4(rte_be_to_cpu_32(port->ip)));
+ }
+ if ((targ->local_ipv4 && port->ip) && (targ->local_prefix != port->prefix)) {
+ PROX_PANIC(1, "local_ipv4 prefix in core section (%d) differs from port section (%d)\n", targ->local_prefix, port->prefix);
+ }
+ if (!targ->local_ipv4) {
+ targ->local_ipv4 = port->ip;
+ targ->local_prefix = port->prefix;
+ plog_info("Setting core local_ipv4 from port %d local_ipv4 to "IPv4_BYTES_FMT"\n", tbase->l3.reachable_port_id, IP4(rte_be_to_cpu_32(port->ip)));
+ }
if (targ->local_ipv4) {
tbase->l3.local_ipv4 = rte_be_to_cpu_32(targ->local_ipv4);
register_ip_to_ctrl_plane(tbase->l3.tmaster, tbase->l3.local_ipv4, tbase->l3.reachable_port_id, targ->lconf->id, targ->id);
struct lpm4 *lpm;
int ret;
- PROX_PANIC(tbase->l3.local_ipv4 == 0, "missing local_ipv4 will route table is specified in L3 mode\n");
+ PROX_PANIC(tbase->l3.local_ipv4 == 0, "missing local_ipv4 while route table is specified in L3 mode\n");
// LPM might be modified runtime => do not share with other cores
ret = lua_to_lpm4(prox_lua(), GLOBAL, targ->route_table, socket_id, &lpm);
// Create IPv6 addr if none were configured
if (targ->flags & TASK_ARG_NDP) {
- if (!memcmp(&targ->local_ipv6, &null_addr, 16)) {
+ if (!memcmp(&targ->local_ipv6, &null_addr, sizeof(struct ipv6_addr))) {
set_link_local(&targ->local_ipv6);
set_EUI(&targ->local_ipv6, &port->eth_addr);
}
}
if ((targ->flags & TASK_ARG_NDP) && (targ->flags & TASK_ARG_SEND_NA_AT_STARTUP)) {
plog_info("Sending unsollicited Neighbour Advertisement\n");
- send_unsollicited_neighbour_advertisement(tbase, targ);
+ send_unsollicited_neighbour_advertisement(tbase);
}
}
Code Review / samplevnf.git / blobdiff