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author | 2018-01-16 12:51:27 +0000 | |
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committer | 2018-01-16 12:51:27 +0000 | |
commit | deab1ee8197298bd7cf30d259a28206841d59383 (patch) | |
tree | 46a480248b2ba495991feaee540081e5d7f1b6cd /VNFs/DPPD-PROX/handle_lb_net.c | |
parent | 0249d9c01370221b724d794a3d048b01a9dd325b (diff) | |
parent | 972dac6999c939a3b1f70d69f81082d8cabd04c7 (diff) |
Merge "Add support for DPDK 17.11"
Diffstat (limited to 'VNFs/DPPD-PROX/handle_lb_net.c')
-rw-r--r-- | VNFs/DPPD-PROX/handle_lb_net.c | 28 |
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 878b8158..46a7226e 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; |