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authorDamjan Marion <damarion@cisco.com>2017-02-28 19:22:22 +0100
committerDave Barach <openvpp@barachs.net>2017-03-01 22:06:31 +0000
commitc3a814be9dc769be942ff8029c7b6eccd4b3af05 (patch)
treedd152b3e92281ab52f806ed2ad237c9fb0607e8b /src/plugins/dpdk/device/dpdk_priv.h
parentf71ef1dddfc7cf34944c510b85bec074f431bb12 (diff)
dpdk: be a plugin
Change-Id: I238258cdeb77035adc5e88903d824593d0a1da90 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/dpdk/device/dpdk_priv.h')
-rw-r--r--src/plugins/dpdk/device/dpdk_priv.h135
1 files changed, 135 insertions, 0 deletions
diff --git a/src/plugins/dpdk/device/dpdk_priv.h b/src/plugins/dpdk/device/dpdk_priv.h
new file mode 100644
index 00000000000..dd40ff48510
--- /dev/null
+++ b/src/plugins/dpdk/device/dpdk_priv.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define rte_mbuf_from_vlib_buffer(x) (((struct rte_mbuf *)x) - 1)
+#define vlib_buffer_from_rte_mbuf(x) ((vlib_buffer_t *)(x+1))
+
+#define DPDK_NB_RX_DESC_DEFAULT 1024
+#define DPDK_NB_TX_DESC_DEFAULT 1024
+#define DPDK_NB_RX_DESC_VIRTIO 256
+#define DPDK_NB_TX_DESC_VIRTIO 256
+
+#define I40E_DEV_ID_SFP_XL710 0x1572
+#define I40E_DEV_ID_QSFP_A 0x1583
+#define I40E_DEV_ID_QSFP_B 0x1584
+#define I40E_DEV_ID_QSFP_C 0x1585
+#define I40E_DEV_ID_10G_BASE_T 0x1586
+#define I40E_DEV_ID_VF 0x154C
+
+/* These args appear by themselves */
+#define foreach_eal_double_hyphen_predicate_arg \
+_(no-shconf) \
+_(no-hpet) \
+_(no-huge) \
+_(vmware-tsc-map)
+
+#define foreach_eal_single_hyphen_mandatory_arg \
+_(coremask, c) \
+_(nchannels, n) \
+
+#define foreach_eal_single_hyphen_arg \
+_(blacklist, b) \
+_(mem-alloc-request, m) \
+_(force-ranks, r)
+
+/* These args are preceeded by "--" and followed by a single string */
+#define foreach_eal_double_hyphen_arg \
+_(huge-dir) \
+_(proc-type) \
+_(file-prefix) \
+_(vdev)
+
+static inline void
+dpdk_get_xstats (dpdk_device_t * xd)
+{
+ int len;
+ if ((len = rte_eth_xstats_get (xd->device_index, NULL, 0)) > 0)
+ {
+ vec_validate (xd->xstats, len - 1);
+ vec_validate (xd->last_cleared_xstats, len - 1);
+
+ len =
+ rte_eth_xstats_get (xd->device_index, xd->xstats,
+ vec_len (xd->xstats));
+
+ ASSERT (vec_len (xd->xstats) == len);
+ ASSERT (vec_len (xd->last_cleared_xstats) == len);
+
+ _vec_len (xd->xstats) = len;
+ _vec_len (xd->last_cleared_xstats) = len;
+
+ }
+}
+
+
+static inline void
+dpdk_update_counters (dpdk_device_t * xd, f64 now)
+{
+ vlib_simple_counter_main_t *cm;
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 my_cpu = os_get_cpu_number ();
+ u64 rxerrors, last_rxerrors;
+
+ /* only update counters for PMD interfaces */
+ if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
+ return;
+
+ xd->time_last_stats_update = now ? now : xd->time_last_stats_update;
+ clib_memcpy (&xd->last_stats, &xd->stats, sizeof (xd->last_stats));
+ rte_eth_stats_get (xd->device_index, &xd->stats);
+
+ /* maybe bump interface rx no buffer counter */
+ if (PREDICT_FALSE (xd->stats.rx_nombuf != xd->last_stats.rx_nombuf))
+ {
+ cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
+ VNET_INTERFACE_COUNTER_RX_NO_BUF);
+
+ vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index,
+ xd->stats.rx_nombuf -
+ xd->last_stats.rx_nombuf);
+ }
+
+ /* missed pkt counter */
+ if (PREDICT_FALSE (xd->stats.imissed != xd->last_stats.imissed))
+ {
+ cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
+ VNET_INTERFACE_COUNTER_RX_MISS);
+
+ vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index,
+ xd->stats.imissed -
+ xd->last_stats.imissed);
+ }
+ rxerrors = xd->stats.ierrors;
+ last_rxerrors = xd->last_stats.ierrors;
+
+ if (PREDICT_FALSE (rxerrors != last_rxerrors))
+ {
+ cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
+ VNET_INTERFACE_COUNTER_RX_ERROR);
+
+ vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index,
+ rxerrors - last_rxerrors);
+ }
+
+ dpdk_get_xstats (xd);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */