summaryrefslogtreecommitdiffstats
path: root/VNFs/DPPD-PROX/handle_lb_net.c
diff options
context:
space:
mode:
authorXavier Simonart <xavier.simonart@intel.com>2018-01-04 14:35:57 +0100
committerXavier Simonart <xavier.simonart@intel.com>2018-01-04 14:37:56 +0100
commit972dac6999c939a3b1f70d69f81082d8cabd04c7 (patch)
tree1cf056c902771ebbb8ddbbc0f021b3662b72708b /VNFs/DPPD-PROX/handle_lb_net.c
parent25ffc7091ffe7069e6b4aeed9a5a69aa034c58f9 (diff)
Add support for DPDK 17.11
Change-Id: I5611ead4b61b23d6c1c983852e8c75619e08ecf9 Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
Diffstat (limited to 'VNFs/DPPD-PROX/handle_lb_net.c')
-rw-r--r--VNFs/DPPD-PROX/handle_lb_net.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/VNFs/DPPD-PROX/handle_lb_net.c b/VNFs/DPPD-PROX/handle_lb_net.c
index 878b815..46a7226 100644
--- a/VNFs/DPPD-PROX/handle_lb_net.c
+++ b/VNFs/DPPD-PROX/handle_lb_net.c
@@ -37,6 +37,7 @@
#include "hash_utils.h"
#include "quit.h"
#include "flow_iter.h"
+#include "prox_compat.h"
#if RTE_VERSION < RTE_VERSION_NUM(1,8,0,0)
#define RTE_CACHE_LINE_SIZE CACHE_LINE_SIZE
@@ -87,18 +88,29 @@ static struct rte_table_hash *setup_gre_to_wt_lookup(struct task_args *targ, uin
}
}
- struct rte_table_hash_ext_params table_hash_params = {
+ static char hash_name[30];
+ sprintf(hash_name, "lb_hash_table_%03d", targ->lconf->id);
+
+ // The key offset in the real packets might depend of the packet type; hence we need to extract the
+ // keys and copy them.
+ // The packets will be parsed runtime and keys will be created and stored in the metadata of fake mbufs.
+ // Then hash functions will be used on the fake mbufs.
+ // Keys are stored in (metadata of) fake mbufs to reduce the memory/cache usage: in this way we use only
+ // 64 cache lines for all keys (we always use the same fake mbufs). If using metadata of real packets/mbufs,
+ // we would use as many cache lines as there are mbufs, which might be very high in if QoS is supported for instance.
+ //
+ struct prox_rte_table_params table_hash_params = {
+ .name = hash_name,
.key_size = 4,
.n_keys = count,
.n_buckets = count,
- .n_buckets_ext = count >> 1,
- .f_hash = hash_crc32,
+ .f_hash = (rte_table_hash_op_hash)hash_crc32,
.seed = 0,
- .signature_offset = HASH_METADATA_OFFSET(0),
.key_offset = HASH_METADATA_OFFSET(0),
+ .key_mask = NULL
};
- ret = rte_table_hash_ext_dosig_ops.f_create(&table_hash_params, socket_id, sizeof(uint8_t));
+ ret = prox_rte_table_create(&table_hash_params, socket_id, sizeof(uint8_t));
for (int i = 0; i < n_workers; ++i) {
struct core_task ct = targ->core_task_set[0].core_task[i];
@@ -113,7 +125,7 @@ static struct rte_table_hash *setup_gre_to_wt_lookup(struct task_args *targ, uin
uint32_t gre_id = it->get_gre_id(it, t);
uint8_t dst = i;
- r = rte_table_hash_ext_dosig_ops.f_add(ret, &gre_id, &dst, &key_found, &entry_in_hash);
+ r = prox_rte_table_add(ret, &gre_id, &dst, &key_found, &entry_in_hash);
if (r) {
plog_err("Failed to add gre_id = %x, dest worker = %u\n", gre_id, i);
}
@@ -274,7 +286,7 @@ static int handle_lb_net_lut_bulk(struct task_base *tbase, struct rte_mbuf **mbu
}
#endif
// keys have been extracted for all packets, now do the lookup
- rte_table_hash_ext_dosig_ops.f_lookup(task->worker_hash_table, task->fake_packets, pkts_mask, &lookup_hit_mask, (void**)wt);
+ prox_rte_table_lookup(task->worker_hash_table, task->fake_packets, pkts_mask, &lookup_hit_mask, (void**)wt);
/* mbufs now contains the packets that have not been dropped */
if (likely(lookup_hit_mask == RTE_LEN2MASK(n_pkts, uint64_t))) {
for (j = 0; j < n_pkts; ++j) {
@@ -398,7 +410,7 @@ static inline int extract_gre_key(struct task_lb_net_lut *task, uint32_t *key, s
}
}
else {
- plog_warn("Invalid protocol: GRE xas expected, got 0x%x\n", ip->next_proto_id);
+ plog_warn("Invalid protocol: GRE was expected, got 0x%x\n", ip->next_proto_id);
return 1;
}
return 0;