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authorBenoît Ganne <bganne@cisco.com>2021-03-17 14:41:33 +0100
committerDamjan Marion <dmarion@me.com>2021-05-04 07:23:03 +0000
commitf5a45680ee1c9c586ab2b037e3d71354789e4403 (patch)
tree81cc137d27befc7802efccd91aa6728c627f9064 /src/plugins/rdma/device.c
parentee60ac638c9abcd0763c57fce0e3e646723ea0e0 (diff)
rdma: add support for RSS configuration
Type: feature Change-Id: I911ee94b624ef5edf46b34666597eff93df1d1ed Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/plugins/rdma/device.c')
-rw-r--r--src/plugins/rdma/device.c58
1 files changed, 48 insertions, 10 deletions
diff --git a/src/plugins/rdma/device.c b/src/plugins/rdma/device.c
index 14262f597b7..1198d99b14e 100644
--- a/src/plugins/rdma/device.c
+++ b/src/plugins/rdma/device.c
@@ -311,7 +311,7 @@ rdma_async_event_read_ready (clib_file_t * f)
vlib_log_emerg (rm->log_class, "%s: fatal error", rd->name);
break;
default:
- rdma_log__ (VLIB_LOG_LEVEL_ERR, rd, "unhandeld RDMA async event %i",
+ rdma_log__ (VLIB_LOG_LEVEL_ERR, rd, "unhandeld RDMA async event %d",
event.event_type);
break;
}
@@ -611,8 +611,46 @@ rdma_rxq_init (vlib_main_t * vm, rdma_device_t * rd, u16 qid, u32 n_desc,
return 0;
}
+static uint64_t
+rdma_rss42ibv (const rdma_rss4_t rss4)
+{
+ switch (rss4)
+ {
+ case RDMA_RSS4_IP:
+ return IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4;
+ case RDMA_RSS4_IP_UDP:
+ return IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4 |
+ IBV_RX_HASH_SRC_PORT_UDP | IBV_RX_HASH_DST_PORT_UDP;
+ case RDMA_RSS4_AUTO: /* fallthrough */
+ case RDMA_RSS4_IP_TCP:
+ return IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4 |
+ IBV_RX_HASH_SRC_PORT_TCP | IBV_RX_HASH_DST_PORT_TCP;
+ }
+ ASSERT (0);
+ return 0;
+}
+
+static uint64_t
+rdma_rss62ibv (const rdma_rss6_t rss6)
+{
+ switch (rss6)
+ {
+ case RDMA_RSS6_IP:
+ return IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6;
+ case RDMA_RSS6_IP_UDP:
+ return IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6 |
+ IBV_RX_HASH_SRC_PORT_UDP | IBV_RX_HASH_DST_PORT_UDP;
+ case RDMA_RSS6_AUTO: /* fallthrough */
+ case RDMA_RSS6_IP_TCP:
+ return IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6 |
+ IBV_RX_HASH_SRC_PORT_TCP | IBV_RX_HASH_DST_PORT_TCP;
+ }
+ ASSERT (0);
+ return 0;
+}
+
static clib_error_t *
-rdma_rxq_finalize (vlib_main_t * vm, rdma_device_t * rd)
+rdma_rxq_finalize (vlib_main_t *vm, rdma_device_t *rd)
{
struct ibv_rwq_ind_table_init_attr rwqia;
struct ibv_qp_init_attr_ex qpia;
@@ -658,15 +696,11 @@ rdma_rxq_finalize (vlib_main_t * vm, rdma_device_t * rd)
qpia.rx_hash_conf.rx_hash_key = rdma_rss_hash_key;
qpia.rx_hash_conf.rx_hash_function = IBV_RX_HASH_FUNC_TOEPLITZ;
- qpia.rx_hash_conf.rx_hash_fields_mask =
- IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4 | IBV_RX_HASH_SRC_PORT_TCP |
- IBV_RX_HASH_DST_PORT_TCP;
+ qpia.rx_hash_conf.rx_hash_fields_mask = rdma_rss42ibv (rd->rss4);
if ((rd->rx_qp4 = ibv_create_qp_ex (rd->ctx, &qpia)) == 0)
return clib_error_return_unix (0, "IPv4 Queue Pair create failed");
- qpia.rx_hash_conf.rx_hash_fields_mask =
- IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6 | IBV_RX_HASH_SRC_PORT_TCP |
- IBV_RX_HASH_DST_PORT_TCP;
+ qpia.rx_hash_conf.rx_hash_fields_mask = rdma_rss62ibv (rd->rss6);
if ((rd->rx_qp6 = ibv_create_qp_ex (rd->ctx, &qpia)) == 0)
return clib_error_return_unix (0, "IPv6 Queue Pair create failed");
@@ -802,6 +836,9 @@ rdma_dev_init (vlib_main_t * vm, rdma_device_t * rd,
ethernet_mac_address_generate (rd->hwaddr.bytes);
+ rd->rss4 = args->rss4;
+ rd->rss6 = args->rss6;
+
/*
* /!\ WARNING /!\ creation order is important
* We *must* create TX queues *before* RX queues, otherwise we will receive
@@ -862,8 +899,9 @@ rdma_create_if (vlib_main_t * vm, rdma_create_if_args_t * args)
!is_pow2 (args->rxq_size) || !is_pow2 (args->txq_size))
{
args->rv = VNET_API_ERROR_INVALID_VALUE;
- args->error = clib_error_return (0, "queue size must be a power of two "
- "between %i and 65535",
+ args->error = clib_error_return (0,
+ "queue size must be a power of two "
+ "between %d and 65535",
VLIB_FRAME_SIZE);
goto err0;
}