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|
/* SPDX-License-Identifier: Apache-2.0
* Copyright (c) 2023 Cisco Systems, Inc.
*/
#include <vnet/vnet.h>
#include <vnet/dev/dev.h>
#include <vnet/dev/pci.h>
#include <vnet/dev/counters.h>
#include <dev_iavf/iavf.h>
#include <dev_iavf/virtchnl.h>
#include <dev_iavf/virtchnl_funcs.h>
#include <vnet/ethernet/ethernet.h>
VLIB_REGISTER_LOG_CLASS (iavf_log, static) = {
.class_name = "iavf",
.subclass_name = "virtchnl",
};
u8 *
format_virtchnl_op_name (u8 *s, va_list *args)
{
virtchnl_op_t op = va_arg (*args, virtchnl_op_t);
char *op_names[] = {
#define _(a, b) [a] = #b,
foreach_virtchnl_op
#undef _
};
if (op >= ARRAY_LEN (op_names) || op_names[op] == 0)
return format (s, "UNKNOWN(%u)", op);
return format (s, "%s", op_names[op]);
}
u8 *
format_virtchnl_status (u8 *s, va_list *args)
{
virtchnl_status_t c = va_arg (*args, virtchnl_status_t);
if (0)
;
#define _(a, b) else if (c == a) return format (s, #b);
foreach_virtchnl_status
#undef _
return format (s, "UNKNOWN(%d)", c);
}
static u8 *
format_virtchnl_vlan_support_caps (u8 *s, va_list *args)
{
virtchnl_vlan_support_caps_t v = va_arg (*args, u32);
int not_first = 0;
char *strs[32] = {
#define _(a, b, c) [a] = c,
foreach_virtchnl_vlan_support_bit
#undef _
};
if (v == VIRTCHNL_VLAN_UNSUPPORTED)
return format (s, "unsupported");
for (int i = 0; i < 32; i++)
{
if ((v & (1 << i)) == 0)
continue;
if (not_first)
s = format (s, " ");
if (strs[i])
s = format (s, "%s", strs[i]);
else
s = format (s, "unknown(%u)", i);
not_first = 1;
}
return s;
}
static u8 *
format_virtchnl_op_req (u8 *s, va_list *args)
{
virtchnl_op_t op = va_arg (*args, virtchnl_op_t);
void *p = va_arg (*args, void *);
u32 indent = format_get_indent (s);
if (p == 0)
return format (s, "no data");
switch (op)
{
case VIRTCHNL_OP_VERSION:
{
virtchnl_version_info_t *r = p;
s = format (s, "version: %u.%u", r->major, r->minor);
}
break;
case VIRTCHNL_OP_GET_VF_RESOURCES:
{
u32 *r = p;
s = format (s, "%U", format_iavf_vf_cap_flags, *r);
}
break;
case VIRTCHNL_OP_ENABLE_QUEUES:
case VIRTCHNL_OP_DISABLE_QUEUES:
case VIRTCHNL_OP_GET_STATS:
{
virtchnl_queue_select_t *r = p;
s = format (s, "vsi %u rx 0x%x tx 0x%x", r->vsi_id, r->rx_queues,
r->tx_queues);
}
break;
case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
{
virtchnl_vsi_queue_config_info_t *r = p;
s = format (s, "vsi %u num_qp %u", r->vsi_id, r->num_queue_pairs);
for (int i = 0; i < r->num_queue_pairs; i++)
{
virtchnl_rxq_info_t *ri = &r->qpair[i].rxq;
virtchnl_txq_info_t *ti = &r->qpair[i].txq;
s = format (s, "\n%U qpair %u", format_white_space, indent + 2, i);
s = format (s,
"\n%U rx vsi %u queue %u dma_ring_addr 0x%lx "
"ring_len %u data_sz %u max_pkt_sz %u",
format_white_space, indent + 4, ri->vsi_id,
ri->queue_id, ri->dma_ring_addr, ri->ring_len,
ri->databuffer_size, ri->max_pkt_size);
s = format (
s, "\n%U tx vsi %u queue %u dma_ring_addr 0x%lx ring_len %u",
format_white_space, indent + 4, ti->vsi_id, ti->queue_id,
ti->dma_ring_addr, ti->ring_len);
}
}
break;
case VIRTCHNL_OP_CONFIG_IRQ_MAP:
{
virtchnl_irq_map_info_t *r = p;
s = format (s, "num_vectors %u", r->num_vectors);
for (int i = 0; i < r->num_vectors; i++)
{
virtchnl_vector_map_t *vecmap = r->vecmap + i;
s = format (s,
"\n%Uvsi %u vector_id %u rxq_map 0x%04x txq_map "
"0x%04x rxitr_idx %u txitr_idx %u",
format_white_space, indent + 2, vecmap->vsi_id,
vecmap->vector_id, vecmap->rxq_map, vecmap->txq_map,
vecmap->rxitr_idx, vecmap->txitr_idx);
}
}
break;
case VIRTCHNL_OP_CONFIG_RSS_LUT:
{
virtchnl_rss_lut_t *r = p;
s = format (s, "vsi %u entries %u lut", r->vsi_id, r->lut_entries);
for (int i = 0; i < r->lut_entries; i++)
s = format (s, " %u", r->lut[i]);
}
break;
case VIRTCHNL_OP_CONFIG_RSS_KEY:
{
virtchnl_rss_key_t *r = p;
s = format (s, "vsi %u len %u key ", r->vsi_id, r->key_len);
for (int i = 0; i < r->key_len; i++)
s = format (s, "%02x", r->key[i]);
}
break;
case VIRTCHNL_OP_ADD_ETH_ADDR:
case VIRTCHNL_OP_DEL_ETH_ADDR:
{
virtchnl_ether_addr_list_t *r = p;
s = format (s, "vsi %u num_elements %u elts: ", r->vsi_id,
r->num_elements);
for (int i = 0; i < r->num_elements; i++)
s = format (s, "%s%U%s%s", i ? ", " : "", format_ethernet_address,
r->list[i].addr, r->list[i].primary ? " primary" : "",
r->list[i].extra ? " extra" : "");
}
break;
case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
{
virtchnl_promisc_info_t *r = p;
s = format (
s, "promisc_info: vsi %u flags 0x%x (unicast %s multicast %s)",
r->vsi_id, r->flags,
r->flags & FLAG_VF_UNICAST_PROMISC ? "on" : "off",
r->flags & FLAG_VF_MULTICAST_PROMISC ? "on" : "off");
}
break;
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2:
{
virtchnl_vlan_setting_t *r = p;
s = format (s,
"vport %u outer_ethertype_setting 0x%x [%U] "
"inner_ethertype_setting 0x%x [%U]",
r->vport_id, r->outer_ethertype_setting,
format_virtchnl_vlan_support_caps,
r->outer_ethertype_setting, r->inner_ethertype_setting,
format_virtchnl_vlan_support_caps,
r->inner_ethertype_setting);
}
break;
default:
s = format (s, "unknown op 0x%04x", op);
break;
};
return s;
}
static u8 *
format_virtchnl_op_resp (u8 *s, va_list *args)
{
virtchnl_op_t op = va_arg (*args, virtchnl_op_t);
void *p = va_arg (*args, void *);
u32 indent = format_get_indent (s);
if (p == 0)
return format (s, "no data");
switch (op)
{
case VIRTCHNL_OP_VERSION:
{
virtchnl_version_info_t *r = p;
s = format (s, "version %u.%u", r->major, r->minor);
}
break;
case VIRTCHNL_OP_GET_VF_RESOURCES:
{
virtchnl_vf_resource_t *r = p;
s =
format (s,
"vf_resource: num_vsis %u num_queue_pairs %u "
"max_vectors %u max_mtu %u rss_key_size %u rss_lut_size %u",
r->num_vsis, r->num_queue_pairs, r->max_vectors, r->max_mtu,
r->rss_key_size, r->rss_lut_size);
s = format (s, "\n%Uvf_cap_flags 0x%x (%U)", format_white_space,
indent + 2, r->vf_cap_flags, format_iavf_vf_cap_flags,
r->vf_cap_flags);
for (int i = 0; i < r->num_vsis; i++)
s = format (s,
"\n%Uvsi_resource[%u]: vsi %u num_qp %u vsi_type %u "
"qset_handle %u default_mac_addr %U",
format_white_space, indent + 2, i, r->vsi_res[i].vsi_id,
r->vsi_res[i].num_queue_pairs, r->vsi_res[i].vsi_type,
r->vsi_res[i].qset_handle, format_ethernet_address,
r->vsi_res[i].default_mac_addr);
}
break;
case VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS:
{
virtchnl_vlan_caps_t *r = p;
s = format (s, "filtering: ethertype_init 0x%x max_filters %u",
r->filtering.ethertype_init, r->filtering.max_filters);
s = format (s, "\n%U outer [%U] inner [%U]", format_white_space,
indent, format_virtchnl_vlan_support_caps,
r->filtering.filtering_support.outer,
format_virtchnl_vlan_support_caps,
r->filtering.filtering_support.inner);
s = format (s, "\n%Uoffloads: ethertype_init 0x%x ethertype_match %u",
format_white_space, indent, r->offloads.ethertype_init,
r->offloads.ethertype_match);
s = format (s, "\n%U stripping outer [%U] stripping inner [%U]",
format_white_space, indent,
format_virtchnl_vlan_support_caps,
r->offloads.stripping_support.outer,
format_virtchnl_vlan_support_caps,
r->offloads.stripping_support.inner);
s = format (s, "\n%U insertion outer [%U] inserion inner [%U]",
format_white_space, indent,
format_virtchnl_vlan_support_caps,
r->offloads.insertion_support.outer,
format_virtchnl_vlan_support_caps,
r->offloads.insertion_support.inner);
}
break;
case VIRTCHNL_OP_GET_STATS:
{
virtchnl_eth_stats_t *r = p;
s = format (s,
"rx: bytes %lu, unicast %lu, multicast %lu, broadcast "
"%lu, discards %lu unknown_protocol %lu",
r->rx_bytes, r->rx_unicast, r->rx_multicast,
r->rx_broadcast, r->rx_discards, r->rx_unknown_protocol);
s = format (s, "\n%U", format_white_space, indent);
s = format (s,
"tx: bytes %lu, unicast %lu, multicast %lu, broadcast "
"%lu, discards %lu errors %lu",
r->tx_bytes, r->tx_unicast, r->tx_multicast,
r->tx_broadcast, r->tx_discards, r->tx_errors);
}
break;
default:
s = format (s, "unknown op 0x%04x", op);
break;
};
return s;
}
vnet_dev_rv_t
iavf_virtchnl_req (vlib_main_t *vm, vnet_dev_t *dev, iavf_virtchnl_req_t *r)
{
iavf_device_t *ad = vnet_dev_get_data (dev);
vnet_dev_rv_t rv;
iavf_aq_desc_t *d;
u8 *b;
log_debug (dev, "%U req:\n %U", format_virtchnl_op_name, r->op,
format_virtchnl_op_req, r->op, r->req);
iavf_aq_desc_t txd = {
.opcode = IIAVF_AQ_DESC_OP_SEND_TO_PF,
.v_opcode = r->op,
.flags = { .si = 1 },
};
rv = iavf_aq_atq_enq (vm, dev, &txd, r->req, r->req_sz, 0.5);
if (rv != VNET_DEV_OK)
return rv;
if (r->no_reply)
return VNET_DEV_OK;
retry:
if (!iavf_aq_arq_next_acq (vm, dev, &d, &b, 1.0))
{
log_err (ad, "timeout waiting for virtchnl response");
return VNET_DEV_ERR_TIMEOUT;
}
if (d->v_opcode == VIRTCHNL_OP_EVENT)
{
if ((d->datalen != sizeof (virtchnl_pf_event_t)) ||
((d->flags.buf) == 0))
{
log_err (dev, "event message error");
return VNET_DEV_ERR_BUG;
}
vec_add1 (ad->events, *(virtchnl_pf_event_t *) b);
iavf_aq_arq_next_rel (vm, dev);
goto retry;
}
if (d->v_opcode != r->op)
{
log_err (dev,
"unexpected response received [v_opcode = %u, expected %u, "
"v_retval %d]",
d->v_opcode, r->op, d->v_retval);
rv = VNET_DEV_ERR_BUG;
goto done;
}
r->status = d->v_retval;
if (d->v_retval)
{
log_err (dev, "error [v_opcode = %u, v_retval %d]", d->v_opcode,
d->v_retval);
rv = VNET_DEV_ERR_BUG;
goto done;
}
if (r->resp_sz && d->flags.buf)
clib_memcpy_fast (r->resp, b, r->resp_sz);
done:
iavf_aq_arq_next_rel (vm, dev);
if (rv == VNET_DEV_OK)
log_debug (dev, "%U resp:\n %U", format_virtchnl_op_name, r->op,
format_virtchnl_op_resp, r->op, r->resp);
return rv;
}
|
