Add capabilities field isvf to dev struct
Disable configuration calls as required by vf
Signed-off-by: Ed Czeck <ed.cz...@atomicrules.com>
---
v2: feature Arkville vf support in release notes
v3: feature new PCI device ids in release notes
v4: split release note
---
doc/guides/rel_notes/release_22_07.rst | 2 +
drivers/net/ark/ark_ethdev.c | 83 +++++++++++++++-----------
drivers/net/ark/ark_global.h | 1 +
3 files changed, 51 insertions(+), 35 deletions(-)
diff --git a/doc/guides/rel_notes/release_22_07.rst
b/doc/guides/rel_notes/release_22_07.rst
index 191539cb72..3a6df7bed9 100644
--- a/doc/guides/rel_notes/release_22_07.rst
+++ b/doc/guides/rel_notes/release_22_07.rst
@@ -176,6 +176,8 @@ New Features
Added support for Atomic Rules PCI device IDs ``0x101a, 0x101b, 0x101c``.
+ Added PMD support for virtual functions and vfio_pci driver.
+
Removed Items
-------------
diff --git a/drivers/net/ark/ark_ethdev.c b/drivers/net/ark/ark_ethdev.c
index 377631e66e..e8e4092be6 100644
--- a/drivers/net/ark/ark_ethdev.c
+++ b/drivers/net/ark/ark_ethdev.c
@@ -113,28 +113,29 @@ static const struct rte_pci_id pci_id_ark_map[] = {
*/
struct ark_caps {
bool rqpacing;
+ bool isvf;
};
struct ark_dev_caps {
uint32_t device_id;
struct ark_caps caps;
};
-#define SET_DEV_CAPS(id, rqp) \
- {id, {.rqpacing = rqp} }
+#define SET_DEV_CAPS(id, rqp, vf) \
+ {id, {.rqpacing = rqp, .isvf = vf} }
static const struct ark_dev_caps
ark_device_caps[] = {
- SET_DEV_CAPS(0x100d, true),
- SET_DEV_CAPS(0x100e, true),
- SET_DEV_CAPS(0x100f, true),
- SET_DEV_CAPS(0x1010, false),
- SET_DEV_CAPS(0x1017, true),
- SET_DEV_CAPS(0x1018, true),
- SET_DEV_CAPS(0x1019, true),
- SET_DEV_CAPS(0x101a, true),
- SET_DEV_CAPS(0x101b, true),
- SET_DEV_CAPS(0x101c, false),
- SET_DEV_CAPS(0x101e, false),
- SET_DEV_CAPS(0x101f, false),
+ SET_DEV_CAPS(0x100d, true, false),
+ SET_DEV_CAPS(0x100e, true, false),
+ SET_DEV_CAPS(0x100f, true, false),
+ SET_DEV_CAPS(0x1010, false, false),
+ SET_DEV_CAPS(0x1017, true, false),
+ SET_DEV_CAPS(0x1018, true, false),
+ SET_DEV_CAPS(0x1019, true, false),
+ SET_DEV_CAPS(0x101a, true, false),
+ SET_DEV_CAPS(0x101b, true, false),
+ SET_DEV_CAPS(0x101c, true, true),
+ SET_DEV_CAPS(0x101e, false, false),
+ SET_DEV_CAPS(0x101f, false, false),
{.device_id = 0,}
};
@@ -317,6 +318,7 @@ eth_ark_dev_init(struct rte_eth_dev *dev)
while (ark_device_caps[p].device_id != 0) {
if (pci_dev->id.device_id == ark_device_caps[p].device_id) {
rqpacing = ark_device_caps[p].caps.rqpacing;
+ ark->isvf = ark_device_caps[p].caps.isvf;
break;
}
p++;
@@ -498,20 +500,21 @@ ark_config_device(struct rte_eth_dev *dev)
* Make sure that the packet director, generator and checker are in a
* known state
*/
- ark->start_pg = 0;
- ark->pg_running = 0;
- ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1);
- if (ark->pg == NULL)
- return -1;
- ark_pktgen_reset(ark->pg);
- ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1);
- if (ark->pc == NULL)
- return -1;
- ark_pktchkr_stop(ark->pc);
- ark->pd = ark_pktdir_init(ark->pktdir.v);
- if (ark->pd == NULL)
- return -1;
-
+ if (!ark->isvf) {
+ ark->start_pg = 0;
+ ark->pg_running = 0;
+ ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1);
+ if (ark->pg == NULL)
+ return -1;
+ ark_pktgen_reset(ark->pg);
+ ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1);
+ if (ark->pc == NULL)
+ return -1;
+ ark_pktchkr_stop(ark->pc);
+ ark->pd = ark_pktdir_init(ark->pktdir.v);
+ if (ark->pd == NULL)
+ return -1;
+ }
/* Verify HW */
if (ark_udm_verify(ark->udm.v))
return -1;
@@ -533,7 +536,7 @@ ark_config_device(struct rte_eth_dev *dev)
mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
}
- if (ark->rqpacing)
+ if (!ark->isvf && ark->rqpacing)
ark_rqp_stats_reset(ark->rqpacing);
return 0;
@@ -551,8 +554,10 @@ eth_ark_dev_uninit(struct rte_eth_dev *dev)
ark->user_ext.dev_uninit(dev,
ark->user_data[dev->data->port_id]);
- ark_pktgen_uninit(ark->pg);
- ark_pktchkr_uninit(ark->pc);
+ if (!ark->isvf) {
+ ark_pktgen_uninit(ark->pg);
+ ark_pktchkr_uninit(ark->pc);
+ }
return 0;
}
@@ -588,10 +593,10 @@ eth_ark_dev_start(struct rte_eth_dev *dev)
dev->rx_pkt_burst = ð_ark_recv_pkts;
dev->tx_pkt_burst = ð_ark_xmit_pkts;
- if (ark->start_pg)
+ if (!ark->isvf && ark->start_pg)
ark_pktchkr_run(ark->pc);
- if (ark->start_pg && !ark->pg_running) {
+ if (!ark->isvf && ark->start_pg && !ark->pg_running) {
pthread_t thread;
/* Delay packet generatpr start allow the hardware to be ready
@@ -635,7 +640,7 @@ eth_ark_dev_stop(struct rte_eth_dev *dev)
ark->user_data[dev->data->port_id]);
/* Stop the packet generator */
- if (ark->start_pg && ark->pg_running) {
+ if (!ark->isvf && ark->start_pg && ark->pg_running) {
ark_pktgen_pause(ark->pg);
ark->pg_running = 0;
}
@@ -665,7 +670,7 @@ eth_ark_dev_stop(struct rte_eth_dev *dev)
eth_ark_rx_dump_queue(dev, i, __func__);
/* Stop the packet checker if it is running */
- if (ark->start_pg) {
+ if (!ark->isvf && ark->start_pg) {
ark_pktchkr_dump_stats(ark->pc);
ark_pktchkr_stop(ark->pc);
}
@@ -694,6 +699,10 @@ eth_ark_dev_close(struct rte_eth_dev *dev)
if (ark->rqpacing)
ark_rqp_dump(ark->rqpacing);
+ /* return to power-on state */
+ if (ark->pd)
+ ark_pktdir_setup(ark->pd, ARK_PKT_DIR_INIT_VAL);
+
for (i = 0; i < dev->data->nb_tx_queues; i++) {
eth_ark_tx_queue_release(dev->data->tx_queues[i]);
dev->data->tx_queues[i] = 0;
@@ -978,6 +987,10 @@ eth_ark_check_args(struct ark_adapter *ark, const char
*params)
goto free_kvlist;
}
+ if (ark->isvf) {
+ ret = 0;
+ goto free_kvlist;
+ }
ARK_PMD_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v);
/* Setup the packet director */
ark_pktdir_setup(ark->pd, ark->pkt_dir_v);
diff --git a/drivers/net/ark/ark_global.h b/drivers/net/ark/ark_global.h
index 3c3a712bc8..748db590c1 100644
--- a/drivers/net/ark/ark_global.h
+++ b/drivers/net/ark/ark_global.h
@@ -113,6 +113,7 @@ struct ark_adapter {
ark_pkt_dir_t pd;
int num_ports;
+ bool isvf;
/* Packet generator/checker args */
char pkt_gen_args[ARK_MAX_ARG_LEN];
--
2.25.1
