#define FM_INVALID_HANDLE 0
+/* Low priority used for implicit VF -> representor flow */
+#define FM_LOWEST_PRIORITY 100000
+
+/* High priority used for implicit representor -> VF flow */
+#define FM_HIGHEST_PRIORITY 0
+
+/* Tag used for implicit VF <-> representor flows */
+#define FM_VF_REP_TAG 1
+
/*
* Flow exact match tables (FET) in the VIC and rte_flow groups.
* Use a simple scheme to map groups to tables.
struct fm_action fm_action;
};
+/*
+ * PF has a flowman instance, and VF representors share it with PF.
+ * PF allocates this structure and owns it. VF representors borrow
+ * the PF's structure during API calls (e.g. create, query).
+ */
struct enic_flowman {
- struct enic *enic;
+ struct enic *owner_enic; /* PF */
+ struct enic *user_enic; /* API caller (PF or representor) */
+ /*
+ * Representors and PF share the same underlying flowman.
+ * Lock API calls to serialize accesses from them. Only used
+ * when VF representors are present.
+ */
+ rte_spinlock_t lock;
/* Command buffer */
struct {
union enic_flowman_cmd_mem *va;
struct fm_action action;
struct fm_action action_tmp; /* enic_fm_reorder_action_op */
int action_op_count;
+ /* Tags used for representor flows */
+ uint8_t vf_rep_tag;
};
static int enic_fm_tbl_free(struct enic_flowman *fm, uint64_t handle);
+/*
+ * API functions (create, destroy, validate, flush) call begin_fm()
+ * upon entering to save the caller enic (PF or VF representor) and
+ * lock. Upon exit, they call end_fm() to unlock.
+ */
+static struct enic_flowman *begin_fm(struct enic *enic);
+static void end_fm(struct enic_flowman *fm);
+/* Delete internal flows created for representor paths */
+static void delete_rep_flows(struct enic *enic);
/*
* Common arguments passed to copy_item functions. Use this structure
return 0;
}
+static int
+flowman_cmd(struct enic_flowman *fm, uint64_t *args, int nargs)
+{
+ return vnic_dev_flowman_cmd(fm->owner_enic->vdev, args, nargs);
+}
+
static int
enic_fet_alloc(struct enic_flowman *fm, uint8_t ingress,
struct fm_key_template *key, int entries,
args[0] = FM_EXACT_TABLE_ALLOC;
args[1] = fm->cmd.pa;
- ret = vnic_dev_flowman_cmd(fm->enic->vdev, args, 2);
+ ret = flowman_cmd(fm, args, 2);
if (ret) {
ENICPMD_LOG(ERR, "cannot alloc exact match table: rc=%d", ret);
free(fet);
COUNT = 1 << 3,
ENCAP = 1 << 4,
PUSH_VLAN = 1 << 5,
+ PORT_ID = 1 << 6,
};
struct fm_tcam_match_entry *fmt;
struct fm_action_op fm_op;
uint64_t vnic_h;
uint16_t ovlan;
bool first_rq;
+ bool steer;
int ret;
ENICPMD_FUNC_TRACE();
need_ovlan_action = false;
ovlan = 0;
first_rq = true;
- enic = fm->enic;
+ steer = false;
+ enic = fm->user_enic;
overlap = 0;
- vnic_h = 0; /* 0 = current vNIC */
+ vnic_h = enic->fm_vnic_handle;
+
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
switch (actions->type) {
case RTE_FLOW_ACTION_TYPE_VOID:
return ret;
ENICPMD_LOG(DEBUG, "create QUEUE action rq: %u",
fm_op.rq_steer.rq_index);
+ steer = true;
break;
}
case RTE_FLOW_ACTION_TYPE_DROP: {
return ret;
ENICPMD_LOG(DEBUG, "create QUEUE action rq: %u",
fm_op.rq_steer.rq_index);
+ steer = true;
break;
}
case RTE_FLOW_ACTION_TYPE_PORT_ID: {
const struct rte_flow_action_port_id *port;
- struct rte_pci_device *pdev;
struct rte_eth_dev *dev;
port = actions->conf;
if (port->original) {
- vnic_h = 0; /* This port */
+ vnic_h = enic->fm_vnic_handle; /* This port */
break;
}
ENICPMD_LOG(DEBUG, "port id %u", port->id);
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "port_id is not enic");
}
- pdev = RTE_ETH_DEV_TO_PCI(dev);
- if (enic_fm_find_vnic(enic, &pdev->addr, &vnic_h)) {
+ if (enic->switch_domain_id !=
+ pmd_priv(dev)->switch_domain_id) {
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
- NULL, "port_id is not vnic");
+ NULL, "destination and source ports are not in the same switch domain");
}
+ vnic_h = pmd_priv(dev)->fm_vnic_handle;
+ overlap |= PORT_ID;
+ /*
+ * Ingress. Nothing more to do. We add an implicit
+ * steer at the end if needed.
+ */
break;
}
case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP: {
}
}
- if (!(overlap & (FATE | PASSTHRU | COUNT)))
+ if (!(overlap & (FATE | PASSTHRU | COUNT | PORT_ID)))
goto unsupported;
+ /* Egress from VF: need implicit WQ match */
+ if (enic_is_vf_rep(enic) && !ingress) {
+ fmt->ftm_data.fk_wq_id = 0;
+ fmt->ftm_mask.fk_wq_id = 0xffff;
+ fmt->ftm_data.fk_wq_vnic = enic->fm_vnic_handle;
+ ENICPMD_LOG(DEBUG, "add implicit wq id match for vf %d",
+ VF_ENIC_TO_VF_REP(enic)->vf_id);
+ }
if (need_ovlan_action) {
memset(&fm_op, 0, sizeof(fm_op));
fm_op.fa_op = FMOP_SET_OVLAN;
if (ret)
return ret;
}
+ /* Add steer op for PORT_ID without QUEUE */
+ if ((overlap & PORT_ID) && !steer && ingress) {
+ memset(&fm_op, 0, sizeof(fm_op));
+ /* Always to queue 0 for now as generic RSS is not available */
+ fm_op.fa_op = FMOP_RQ_STEER;
+ fm_op.rq_steer.rq_index = 0;
+ fm_op.rq_steer.vnic_handle = vnic_h;
+ ret = enic_fm_append_action_op(fm, &fm_op, error);
+ if (ret)
+ return ret;
+ ENICPMD_LOG(DEBUG, "add implicit steer op");
+ }
+ /* Add required END */
memset(&fm_op, 0, sizeof(fm_op));
fm_op.fa_op = FMOP_END;
ret = enic_fm_append_action_op(fm, &fm_op, error);
NULL,
"priorities are not supported");
return -rte_errno;
- } else if (attrs->transfer) {
+ } else if (!fm->owner_enic->switchdev_mode && attrs->transfer) {
rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
NULL,
{
struct enic_fm_counter *new_stack;
struct enic_fm_counter *ctrs;
- struct enic *enic;
int i, rc;
uint64_t args[2];
ENICPMD_FUNC_TRACE();
- enic = fm->enic;
new_stack = rte_realloc(fm->counter_stack, (fm->counters_alloced +
FM_COUNTERS_EXPAND) *
sizeof(struct enic_fm_counter), 0);
args[0] = FM_COUNTER_BRK;
args[1] = fm->counters_alloced + FM_COUNTERS_EXPAND;
- rc = vnic_dev_flowman_cmd(enic->vdev, args, 2);
+ rc = flowman_cmd(fm, args, 2);
if (rc != 0) {
ENICPMD_LOG(ERR, "cannot alloc counters rc=%d", rc);
return rc;
static int
enic_fm_counter_zero(struct enic_flowman *fm, struct enic_fm_counter *c)
{
- struct enic *enic;
uint64_t args[3];
int ret;
ENICPMD_FUNC_TRACE();
- enic = fm->enic;
args[0] = FM_COUNTER_QUERY;
args[1] = c->handle;
args[2] = 1; /* clear */
- ret = vnic_dev_flowman_cmd(enic->vdev, args, 3);
+ ret = flowman_cmd(fm, args, 3);
if (ret) {
ENICPMD_LOG(ERR, "counter init: rc=%d handle=0x%x",
ret, c->handle);
ENICPMD_FUNC_TRACE();
args[0] = FM_ACTION_FREE;
args[1] = handle;
- rc = vnic_dev_flowman_cmd(fm->enic->vdev, args, 2);
+ rc = flowman_cmd(fm, args, 2);
if (rc)
ENICPMD_LOG(ERR, "cannot free action: rc=%d handle=0x%" PRIx64,
rc, handle);
ENICPMD_FUNC_TRACE();
args[0] = FM_MATCH_ENTRY_REMOVE;
args[1] = handle;
- rc = vnic_dev_flowman_cmd(fm->enic->vdev, args, 2);
+ rc = flowman_cmd(fm, args, 2);
if (rc)
ENICPMD_LOG(ERR, "cannot free match entry: rc=%d"
" handle=0x%" PRIx64, rc, handle);
args[0] = FM_TCAM_ENTRY_INSTALL;
args[1] = ingress ? fm->ig_tcam_hndl : fm->eg_tcam_hndl;
args[2] = fm->cmd.pa;
- ret = vnic_dev_flowman_cmd(fm->enic->vdev, args, 3);
+ ret = flowman_cmd(fm, args, 3);
if (ret != 0) {
ENICPMD_LOG(ERR, "cannot add %s TCAM entry: rc=%d",
ingress ? "ingress" : "egress", ret);
args[0] = FM_EXACT_ENTRY_INSTALL;
args[1] = fet->handle;
args[2] = fm->cmd.pa;
- ret = vnic_dev_flowman_cmd(fm->enic->vdev, args, 3);
+ ret = flowman_cmd(fm, args, 3);
if (ret != 0) {
ENICPMD_LOG(ERR, "cannot add %s exact entry: group=%u",
fet->ingress ? "ingress" : "egress", fet->group);
memcpy(fma, action_in, sizeof(*fma));
args[0] = FM_ACTION_ALLOC;
args[1] = fm->cmd.pa;
- ret = vnic_dev_flowman_cmd(fm->enic->vdev, args, 2);
+ ret = flowman_cmd(fm, args, 2);
if (ret != 0) {
ENICPMD_LOG(ERR, "allocating TCAM table action rc=%d", ret);
rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
int ret;
ENICPMD_FUNC_TRACE();
- fm = pmd_priv(dev)->fm;
+ fm = begin_fm(pmd_priv(dev));
if (fm == NULL)
return -ENOTSUP;
enic_fm_open_scratch(fm);
attrs->ingress);
}
enic_fm_close_scratch(fm);
+ end_fm(fm);
return ret;
}
{
struct rte_flow_query_count *query;
struct enic_fm_flow *fm_flow;
- struct enic *enic;
+ struct enic_flowman *fm;
uint64_t args[3];
int rc;
ENICPMD_FUNC_TRACE();
- enic = pmd_priv(dev);
+ fm = begin_fm(pmd_priv(dev));
query = data;
fm_flow = flow->fm;
- if (!fm_flow->counter_valid)
- return rte_flow_error_set(error, ENOTSUP,
+ if (!fm_flow->counter_valid) {
+ rc = rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"enic: flow does not have counter");
+ goto exit;
+ }
args[0] = FM_COUNTER_QUERY;
args[1] = fm_flow->counter->handle;
args[2] = query->reset;
- rc = vnic_dev_flowman_cmd(enic->vdev, args, 3);
+ rc = flowman_cmd(fm, args, 3);
if (rc) {
ENICPMD_LOG(ERR, "cannot query counter: rc=%d handle=0x%x",
rc, fm_flow->counter->handle);
- return rc;
+ goto exit;
}
query->hits_set = 1;
query->hits = args[0];
query->bytes_set = 1;
query->bytes = args[1];
- return 0;
+ rc = 0;
+exit:
+ end_fm(fm);
+ return rc;
}
static int
ENICPMD_FUNC_TRACE();
enic = pmd_priv(dev);
- fm = enic->fm;
+ fm = begin_fm(enic);
if (fm == NULL) {
rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
error_with_scratch:
enic_fm_close_scratch(fm);
+ end_fm(fm);
return flow;
}
__rte_unused struct rte_flow_error *error)
{
struct enic *enic = pmd_priv(dev);
+ struct enic_flowman *fm;
ENICPMD_FUNC_TRACE();
- if (enic->fm == NULL)
+ fm = begin_fm(enic);
+ if (fm == NULL)
return 0;
LIST_REMOVE(flow, next);
- enic_fm_flow_free(enic->fm, flow);
+ enic_fm_flow_free(fm, flow);
+ end_fm(fm);
return 0;
}
enic_fm_flow_flush(struct rte_eth_dev *dev,
__rte_unused struct rte_flow_error *error)
{
+ LIST_HEAD(enic_flows, rte_flow) internal;
struct enic_fm_flow *fm_flow;
struct enic_flowman *fm;
struct rte_flow *flow;
struct enic *enic = pmd_priv(dev);
ENICPMD_FUNC_TRACE();
- if (enic->fm == NULL)
+
+ fm = begin_fm(enic);
+ if (fm == NULL)
return 0;
- fm = enic->fm;
+ /* Destroy all non-internal flows */
+ LIST_INIT(&internal);
while (!LIST_EMPTY(&enic->flows)) {
flow = LIST_FIRST(&enic->flows);
fm_flow = flow->fm;
LIST_REMOVE(flow, next);
+ if (flow->internal) {
+ LIST_INSERT_HEAD(&internal, flow, next);
+ continue;
+ }
/*
* If tables are null, then vNIC is closing, and the firmware
* has already cleaned up flowman state. So do not try to free
}
enic_fm_flow_free(fm, flow);
}
+ while (!LIST_EMPTY(&internal)) {
+ flow = LIST_FIRST(&internal);
+ LIST_REMOVE(flow, next);
+ LIST_INSERT_HEAD(&enic->flows, flow, next);
+ }
+ end_fm(fm);
return 0;
}
args[0] = FM_MATCH_TABLE_FREE;
args[1] = handle;
- rc = vnic_dev_flowman_cmd(fm->enic->vdev, args, 2);
+ rc = flowman_cmd(fm, args, 2);
if (rc)
ENICPMD_LOG(ERR, "cannot free table: rc=%d handle=0x%" PRIx64,
rc, handle);
uint32_t max_entries, uint64_t *handle)
{
struct fm_tcam_match_table *tcam_tbl;
- struct enic *enic;
uint64_t args[2];
int rc;
ENICPMD_FUNC_TRACE();
- enic = fm->enic;
tcam_tbl = &fm->cmd.va->fm_tcam_match_table;
tcam_tbl->ftt_direction = direction;
tcam_tbl->ftt_stage = FM_STAGE_LAST;
tcam_tbl->ftt_max_entries = max_entries;
args[0] = FM_TCAM_TABLE_ALLOC;
args[1] = fm->cmd.pa;
- rc = vnic_dev_flowman_cmd(enic->vdev, args, 2);
+ rc = flowman_cmd(fm, args, 2);
if (rc) {
ENICPMD_LOG(ERR, "cannot alloc %s TCAM table: rc=%d",
(direction == FM_INGRESS) ? "IG" : "EG", rc);
static void
enic_fm_free_all_counters(struct enic_flowman *fm)
{
- struct enic *enic;
uint64_t args[2];
int rc;
- enic = fm->enic;
args[0] = FM_COUNTER_BRK;
args[1] = 0;
- rc = vnic_dev_flowman_cmd(enic->vdev, args, 2);
+ rc = flowman_cmd(fm, args, 2);
if (rc != 0)
ENICPMD_LOG(ERR, "cannot free counters: rc=%d", rc);
rte_free(fm->counter_stack);
int
enic_fm_init(struct enic *enic)
{
+ const struct rte_pci_addr *addr;
struct enic_flowman *fm;
uint8_t name[RTE_MEMZONE_NAMESIZE];
int rc;
if (enic->flow_filter_mode != FILTER_FLOWMAN)
return 0;
ENICPMD_FUNC_TRACE();
+ /* Get vnic handle and save for port-id action */
+ if (enic_is_vf_rep(enic))
+ addr = &VF_ENIC_TO_VF_REP(enic)->bdf;
+ else
+ addr = &RTE_ETH_DEV_TO_PCI(enic->rte_dev)->addr;
+ rc = enic_fm_find_vnic(enic, addr, &enic->fm_vnic_handle);
+ if (rc) {
+ ENICPMD_LOG(ERR, "cannot find vnic handle for %x:%x:%x",
+ addr->bus, addr->devid, addr->function);
+ return rc;
+ }
+ /* Save UIF for egport action */
+ enic->fm_vnic_uif = vnic_dev_uif(enic->vdev);
+ ENICPMD_LOG(DEBUG, "uif %u", enic->fm_vnic_uif);
+ /* Nothing else to do for representor. It will share the PF flowman */
+ if (enic_is_vf_rep(enic))
+ return 0;
fm = calloc(1, sizeof(*fm));
if (fm == NULL) {
ENICPMD_LOG(ERR, "cannot alloc flowman struct");
return -ENOMEM;
}
- fm->enic = enic;
+ fm->owner_enic = enic;
+ rte_spinlock_init(&fm->lock);
TAILQ_INIT(&fm->fet_list);
TAILQ_INIT(&fm->jump_list);
/* Allocate host memory for flowman commands */
goto error_ig_fet;
}
fm->default_eg_fet->ref = 1;
+ fm->vf_rep_tag = FM_VF_REP_TAG;
enic->fm = fm;
return 0;
struct enic_flowman *fm;
struct enic_fm_fet *fet;
+ ENICPMD_FUNC_TRACE();
+ if (enic_is_vf_rep(enic)) {
+ delete_rep_flows(enic);
+ return;
+ }
if (enic->fm == NULL)
return;
- ENICPMD_FUNC_TRACE();
fm = enic->fm;
enic_fet_free(fm, fm->default_eg_fet);
enic_fet_free(fm, fm->default_ig_fet);
.flush = enic_fm_flow_flush,
.query = enic_fm_flow_query,
};
+
+/* Add a high priority flow that loops representor packets to VF */
+int
+enic_fm_add_rep2vf_flow(struct enic_vf_representor *vf)
+{
+ struct fm_tcam_match_entry *fm_tcam_entry;
+ struct rte_flow *flow0, *flow1;
+ struct fm_action *fm_action;
+ struct rte_flow_error error;
+ struct rte_flow_attr attrs;
+ struct fm_action_op fm_op;
+ struct enic_flowman *fm;
+ struct enic *pf;
+ uint8_t tag;
+
+ pf = vf->pf;
+ fm = pf->fm;
+ tag = fm->vf_rep_tag;
+ enic_fm_open_scratch(fm);
+ fm_tcam_entry = &fm->tcam_entry;
+ fm_action = &fm->action;
+ /* Egress rule: match WQ ID and tag+hairpin */
+ fm_tcam_entry->ftm_data.fk_wq_id = vf->pf_wq_idx;
+ fm_tcam_entry->ftm_mask.fk_wq_id = 0xffff;
+ fm_tcam_entry->ftm_flags |= FMEF_COUNTER;
+ memset(&fm_op, 0, sizeof(fm_op));
+ fm_op.fa_op = FMOP_TAG;
+ fm_op.tag.tag = tag;
+ enic_fm_append_action_op(fm, &fm_op, &error);
+ memset(&fm_op, 0, sizeof(fm_op));
+ fm_op.fa_op = FMOP_EG_HAIRPIN;
+ enic_fm_append_action_op(fm, &fm_op, &error);
+ memset(&fm_op, 0, sizeof(fm_op));
+ fm_op.fa_op = FMOP_END;
+ enic_fm_append_action_op(fm, &fm_op, &error);
+ attrs.group = 0;
+ attrs.ingress = 0;
+ attrs.egress = 1;
+ attrs.priority = FM_HIGHEST_PRIORITY;
+ flow0 = enic_fm_flow_add_entry(fm, fm_tcam_entry, fm_action,
+ &attrs, &error);
+ enic_fm_close_scratch(fm);
+ if (flow0 == NULL) {
+ ENICPMD_LOG(ERR, "Cannot create flow 0 for representor->VF");
+ return -EINVAL;
+ }
+ LIST_INSERT_HEAD(&pf->flows, flow0, next);
+ /* Make this flow internal, so the user app cannot delete it */
+ flow0->internal = 1;
+ ENICPMD_LOG(DEBUG, "representor->VF %d flow created: wq %d -> tag %d hairpin",
+ vf->vf_id, vf->pf_wq_idx, tag);
+
+ /* Ingress: steer hairpinned to VF RQ 0 */
+ enic_fm_open_scratch(fm);
+ fm_tcam_entry->ftm_flags |= FMEF_COUNTER;
+ fm_tcam_entry->ftm_data.fk_hdrset[0].fk_metadata |= FKM_EG_HAIRPINNED;
+ fm_tcam_entry->ftm_mask.fk_hdrset[0].fk_metadata |= FKM_EG_HAIRPINNED;
+ fm_tcam_entry->ftm_data.fk_packet_tag = tag;
+ fm_tcam_entry->ftm_mask.fk_packet_tag = 0xff;
+ memset(&fm_op, 0, sizeof(fm_op));
+ fm_op.fa_op = FMOP_RQ_STEER;
+ fm_op.rq_steer.rq_index = 0;
+ fm_op.rq_steer.vnic_handle = vf->enic.fm_vnic_handle;
+ enic_fm_append_action_op(fm, &fm_op, &error);
+ memset(&fm_op, 0, sizeof(fm_op));
+ fm_op.fa_op = FMOP_END;
+ enic_fm_append_action_op(fm, &fm_op, &error);
+ attrs.group = 0;
+ attrs.ingress = 1;
+ attrs.egress = 0;
+ attrs.priority = FM_HIGHEST_PRIORITY;
+ flow1 = enic_fm_flow_add_entry(fm, fm_tcam_entry, fm_action,
+ &attrs, &error);
+ enic_fm_close_scratch(fm);
+ if (flow1 == NULL) {
+ ENICPMD_LOG(ERR, "Cannot create flow 1 for representor->VF");
+ enic_fm_flow_destroy(pf->rte_dev, flow0, &error);
+ return -EINVAL;
+ }
+ LIST_INSERT_HEAD(&pf->flows, flow1, next);
+ flow1->internal = 1;
+ ENICPMD_LOG(DEBUG, "representor->VF %d flow created: tag %d hairpinned -> VF RQ %d",
+ vf->vf_id, tag, fm_op.rq_steer.rq_index);
+ vf->rep2vf_flow[0] = flow0;
+ vf->rep2vf_flow[1] = flow1;
+ /* Done with this tag, use a different one next time */
+ fm->vf_rep_tag++;
+ return 0;
+}
+
+/*
+ * Add a low priority flow that matches all packets from VF and loops them
+ * back to the representor.
+ */
+int
+enic_fm_add_vf2rep_flow(struct enic_vf_representor *vf)
+{
+ struct fm_tcam_match_entry *fm_tcam_entry;
+ struct rte_flow *flow0, *flow1;
+ struct fm_action *fm_action;
+ struct rte_flow_error error;
+ struct rte_flow_attr attrs;
+ struct fm_action_op fm_op;
+ struct enic_flowman *fm;
+ struct enic *pf;
+ uint8_t tag;
+
+ pf = vf->pf;
+ fm = pf->fm;
+ tag = fm->vf_rep_tag;
+ enic_fm_open_scratch(fm);
+ fm_tcam_entry = &fm->tcam_entry;
+ fm_action = &fm->action;
+ /* Egress rule: match-any and tag+hairpin */
+ fm_tcam_entry->ftm_data.fk_wq_id = 0;
+ fm_tcam_entry->ftm_mask.fk_wq_id = 0xffff;
+ fm_tcam_entry->ftm_data.fk_wq_vnic = vf->enic.fm_vnic_handle;
+ fm_tcam_entry->ftm_flags |= FMEF_COUNTER;
+ memset(&fm_op, 0, sizeof(fm_op));
+ fm_op.fa_op = FMOP_TAG;
+ fm_op.tag.tag = tag;
+ enic_fm_append_action_op(fm, &fm_op, &error);
+ memset(&fm_op, 0, sizeof(fm_op));
+ fm_op.fa_op = FMOP_EG_HAIRPIN;
+ enic_fm_append_action_op(fm, &fm_op, &error);
+ memset(&fm_op, 0, sizeof(fm_op));
+ fm_op.fa_op = FMOP_END;
+ enic_fm_append_action_op(fm, &fm_op, &error);
+ attrs.group = 0;
+ attrs.ingress = 0;
+ attrs.egress = 1;
+ attrs.priority = FM_LOWEST_PRIORITY;
+ flow0 = enic_fm_flow_add_entry(fm, fm_tcam_entry, fm_action,
+ &attrs, &error);
+ enic_fm_close_scratch(fm);
+ if (flow0 == NULL) {
+ ENICPMD_LOG(ERR, "Cannot create flow 0 for VF->representor");
+ return -EINVAL;
+ }
+ LIST_INSERT_HEAD(&pf->flows, flow0, next);
+ /* Make this flow internal, so the user app cannot delete it */
+ flow0->internal = 1;
+ ENICPMD_LOG(DEBUG, "VF %d->representor flow created: wq %d (low prio) -> tag %d hairpin",
+ vf->vf_id, fm_tcam_entry->ftm_data.fk_wq_id, tag);
+
+ /* Ingress: steer hairpinned to VF rep RQ */
+ enic_fm_open_scratch(fm);
+ fm_tcam_entry->ftm_flags |= FMEF_COUNTER;
+ fm_tcam_entry->ftm_data.fk_hdrset[0].fk_metadata |= FKM_EG_HAIRPINNED;
+ fm_tcam_entry->ftm_mask.fk_hdrset[0].fk_metadata |= FKM_EG_HAIRPINNED;
+ fm_tcam_entry->ftm_data.fk_packet_tag = tag;
+ fm_tcam_entry->ftm_mask.fk_packet_tag = 0xff;
+ memset(&fm_op, 0, sizeof(fm_op));
+ fm_op.fa_op = FMOP_RQ_STEER;
+ fm_op.rq_steer.rq_index = vf->pf_rq_sop_idx;
+ fm_op.rq_steer.vnic_handle = pf->fm_vnic_handle;
+ enic_fm_append_action_op(fm, &fm_op, &error);
+ memset(&fm_op, 0, sizeof(fm_op));
+ fm_op.fa_op = FMOP_END;
+ enic_fm_append_action_op(fm, &fm_op, &error);
+ attrs.group = 0;
+ attrs.ingress = 1;
+ attrs.egress = 0;
+ attrs.priority = FM_HIGHEST_PRIORITY;
+ flow1 = enic_fm_flow_add_entry(fm, fm_tcam_entry, fm_action,
+ &attrs, &error);
+ enic_fm_close_scratch(fm);
+ if (flow1 == NULL) {
+ ENICPMD_LOG(ERR, "Cannot create flow 1 for VF->representor");
+ enic_fm_flow_destroy(pf->rte_dev, flow0, &error);
+ return -EINVAL;
+ }
+ LIST_INSERT_HEAD(&pf->flows, flow1, next);
+ flow1->internal = 1;
+ ENICPMD_LOG(DEBUG, "VF %d->representor flow created: tag %d hairpinned -> PF RQ %d",
+ vf->vf_id, tag, vf->pf_rq_sop_idx);
+ vf->vf2rep_flow[0] = flow0;
+ vf->vf2rep_flow[1] = flow1;
+ /* Done with this tag, use a different one next time */
+ fm->vf_rep_tag++;
+ return 0;
+}
+
+/* Destroy representor flows created by enic_fm_add_{rep2vf,vf2rep}_flow */
+static void
+delete_rep_flows(struct enic *enic)
+{
+ struct enic_vf_representor *vf;
+ struct rte_flow_error error;
+ struct rte_eth_dev *dev;
+ uint32_t i;
+
+ RTE_ASSERT(enic_is_vf_rep(enic));
+ vf = VF_ENIC_TO_VF_REP(enic);
+ dev = vf->pf->rte_dev;
+ for (i = 0; i < ARRAY_SIZE(vf->vf2rep_flow); i++) {
+ if (vf->vf2rep_flow[i])
+ enic_fm_flow_destroy(dev, vf->vf2rep_flow[i], &error);
+ }
+ for (i = 0; i < ARRAY_SIZE(vf->rep2vf_flow); i++) {
+ if (vf->rep2vf_flow[i])
+ enic_fm_flow_destroy(dev, vf->rep2vf_flow[i], &error);
+ }
+}
+
+static struct enic_flowman *
+begin_fm(struct enic *enic)
+{
+ struct enic_vf_representor *vf;
+ struct enic_flowman *fm;
+
+ /* Representor uses PF flowman */
+ if (enic_is_vf_rep(enic)) {
+ vf = VF_ENIC_TO_VF_REP(enic);
+ fm = vf->pf->fm;
+ } else {
+ fm = enic->fm;
+ }
+ /* Save the API caller and lock if representors exist */
+ if (fm) {
+ if (fm->owner_enic->switchdev_mode)
+ rte_spinlock_lock(&fm->lock);
+ fm->user_enic = enic;
+ }
+ return fm;
+}
+
+static void
+end_fm(struct enic_flowman *fm)
+{
+ fm->user_enic = NULL;
+ if (fm->owner_enic->switchdev_mode)
+ rte_spinlock_unlock(&fm->lock);
+}
git.droids-corp.org / dpdk.git / commitdiff