[dpdk-dev] [PATCH v3 1/2] net/octeontx: add channel to port id mapping
Pavan Nikhilesh
pbhagavatula at caviumnetworks.com
Tue Dec 19 19:01:44 CET 2017
The channel to port id map is used by event octeontx to map the received
wqe to the respective ethdev port.
Signed-off-by: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
Acked-by: Santosh Shukla <santosh.shukla at caviumnetworks.com>
---
v3 changes:
- Add rte_ prefix to shared variable octeontx_pchan_map.
v2 changes:
- Used extern instead of defining global variable
drivers/net/octeontx/octeontx_ethdev.c | 6 ++++++
drivers/net/octeontx/octeontx_ethdev.h | 6 ++++++
drivers/net/octeontx/rte_pmd_octeontx_version.map | 7 +++++++
3 files changed, 19 insertions(+)
diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c
index bd24ec330..deb41d80b 100644
--- a/drivers/net/octeontx/octeontx_ethdev.c
+++ b/drivers/net/octeontx/octeontx_ethdev.c
@@ -54,6 +54,9 @@ struct octeontx_vdev_init_params {
uint8_t nr_port;
};
+uint16_t
+rte_octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX];
+
enum octeontx_link_speed {
OCTEONTX_LINK_SPEED_SGMII,
OCTEONTX_LINK_SPEED_XAUI,
@@ -1133,6 +1136,9 @@ octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
nic->num_tx_queues);
PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
+ rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7]
+ [(nic->base_ochan >> 4) & 0xF] = data->port_id;
+
return data->port_id;
err:
diff --git a/drivers/net/octeontx/octeontx_ethdev.h b/drivers/net/octeontx/octeontx_ethdev.h
index c47d4c6d3..d37bb8a23 100644
--- a/drivers/net/octeontx/octeontx_ethdev.h
+++ b/drivers/net/octeontx/octeontx_ethdev.h
@@ -52,12 +52,18 @@
#define OCTEONTX_VDEV_NR_PORT_ARG ("nr_port")
#define OCTEONTX_MAX_NAME_LEN 32
+#define OCTEONTX_MAX_BGX_PORTS 4
+#define OCTEONTX_MAX_LMAC_PER_BGX 4
+
static inline struct octeontx_nic *
octeontx_pmd_priv(struct rte_eth_dev *dev)
{
return dev->data->dev_private;
}
+extern uint16_t
+rte_octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX];
+
/* Octeontx ethdev nic */
struct octeontx_nic {
struct rte_eth_dev *dev;
diff --git a/drivers/net/octeontx/rte_pmd_octeontx_version.map b/drivers/net/octeontx/rte_pmd_octeontx_version.map
index a70bd197b..a741274ce 100644
--- a/drivers/net/octeontx/rte_pmd_octeontx_version.map
+++ b/drivers/net/octeontx/rte_pmd_octeontx_version.map
@@ -2,3 +2,10 @@ DPDK_17.11 {
local: *;
};
+
+DPDK_18.04 {
+ global:
+
+ rte_octeontx_pchan_map;
+
+};
--
2.14.1
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