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-rw-r--r--drivers/net/cxgbe/base/adapter.h2
-rw-r--r--drivers/net/cxgbe/cxgbe_flow.c68
-rw-r--r--drivers/net/cxgbe/cxgbe_main.c2
3 files changed, 51 insertions, 21 deletions
diff --git a/drivers/net/cxgbe/base/adapter.h b/drivers/net/cxgbe/base/adapter.h
index 6758364..db654ad 100644
--- a/drivers/net/cxgbe/base/adapter.h
+++ b/drivers/net/cxgbe/base/adapter.h
@@ -328,6 +328,8 @@ struct adapter {
int use_unpacked_mode; /* unpacked rx mode state */
rte_spinlock_t win0_lock;
+ rte_spinlock_t flow_lock; /* Serialize access for rte_flow ops */
+
unsigned int clipt_start; /* CLIP table start */
unsigned int clipt_end; /* CLIP table end */
unsigned int l2t_start; /* Layer 2 table start */
diff --git a/drivers/net/cxgbe/cxgbe_flow.c b/drivers/net/cxgbe/cxgbe_flow.c
index 9ee8353..9070f49 100644
--- a/drivers/net/cxgbe/cxgbe_flow.c
+++ b/drivers/net/cxgbe/cxgbe_flow.c
@@ -1014,6 +1014,7 @@ cxgbe_flow_create(struct rte_eth_dev *dev,
const struct rte_flow_action action[],
struct rte_flow_error *e)
{
+ struct adapter *adap = ethdev2adap(dev);
struct rte_flow *flow;
int ret;
@@ -1034,8 +1035,10 @@ cxgbe_flow_create(struct rte_eth_dev *dev,
return NULL;
}
+ t4_os_lock(&adap->flow_lock);
/* go, interact with cxgbe_filter */
ret = __cxgbe_flow_create(dev, flow);
+ t4_os_unlock(&adap->flow_lock);
if (ret) {
rte_flow_error_set(e, ret, RTE_FLOW_ERROR_TYPE_HANDLE,
NULL, "Unable to create flow rule");
@@ -1100,9 +1103,12 @@ static int
cxgbe_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow,
struct rte_flow_error *e)
{
+ struct adapter *adap = ethdev2adap(dev);
int ret;
+ t4_os_lock(&adap->flow_lock);
ret = __cxgbe_flow_destroy(dev, flow);
+ t4_os_unlock(&adap->flow_lock);
if (ret)
return rte_flow_error_set(e, ret, RTE_FLOW_ERROR_TYPE_HANDLE,
flow, "error destroying filter.");
@@ -1159,11 +1165,14 @@ cxgbe_flow_query(struct rte_eth_dev *dev, struct rte_flow *flow,
" enabled during filter creation");
c = (struct rte_flow_query_count *)data;
+
+ t4_os_lock(&adap->flow_lock);
ret = __cxgbe_flow_query(flow, &c->hits, &c->bytes);
- if (ret)
- return rte_flow_error_set(e, -ret, RTE_FLOW_ERROR_TYPE_ACTION,
- f, "cxgbe pmd failed to"
- " perform query");
+ if (ret) {
+ rte_flow_error_set(e, -ret, RTE_FLOW_ERROR_TYPE_ACTION,
+ f, "cxgbe pmd failed to perform query");
+ goto out;
+ }
/* Query was successful */
c->bytes_set = 1;
@@ -1171,7 +1180,9 @@ cxgbe_flow_query(struct rte_eth_dev *dev, struct rte_flow *flow,
if (c->reset)
cxgbe_clear_filter_count(adap, flow->fidx, f->fs.cap, true);
- return 0; /* success / partial_success */
+out:
+ t4_os_unlock(&adap->flow_lock);
+ return ret;
}
static int
@@ -1184,7 +1195,7 @@ cxgbe_flow_validate(struct rte_eth_dev *dev,
struct adapter *adap = ethdev2adap(dev);
struct rte_flow *flow;
unsigned int fidx;
- int ret;
+ int ret = 0;
flow = t4_os_alloc(sizeof(struct rte_flow));
if (!flow)
@@ -1208,20 +1219,23 @@ cxgbe_flow_validate(struct rte_eth_dev *dev,
"validation failed. Check f/w config file.");
}
+ t4_os_lock(&adap->flow_lock);
if (cxgbe_get_fidx(flow, &fidx)) {
- t4_os_free(flow);
- return rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
- NULL, "no memory in tcam.");
+ ret = rte_flow_error_set(e, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
+ NULL, "no memory in tcam.");
+ goto out;
}
if (cxgbe_verify_fidx(flow, fidx, 0)) {
- t4_os_free(flow);
- return rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE,
- NULL, "validation failed");
+ ret = rte_flow_error_set(e, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE,
+ NULL, "validation failed");
+ goto out;
}
+out:
+ t4_os_unlock(&adap->flow_lock);
t4_os_free(flow);
- return 0;
+ return ret;
}
/*
@@ -1230,14 +1244,12 @@ cxgbe_flow_validate(struct rte_eth_dev *dev,
* == 1 filter not active / not found
*/
static int
-cxgbe_check_n_destroy(struct filter_entry *f, struct rte_eth_dev *dev,
- struct rte_flow_error *e)
+cxgbe_check_n_destroy(struct filter_entry *f, struct rte_eth_dev *dev)
{
if (f && (f->valid || f->pending) &&
f->dev == dev && /* Only if user has asked for this port */
f->private) /* We (rte_flow) created this filter */
- return cxgbe_flow_destroy(dev, (struct rte_flow *)f->private,
- e);
+ return __cxgbe_flow_destroy(dev, (struct rte_flow *)f->private);
return 1;
}
@@ -1247,13 +1259,20 @@ static int cxgbe_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *e)
unsigned int i;
int ret = 0;
+ t4_os_lock(&adap->flow_lock);
if (adap->tids.ftid_tab) {
struct filter_entry *f = &adap->tids.ftid_tab[0];
for (i = 0; i < adap->tids.nftids; i++, f++) {
- ret = cxgbe_check_n_destroy(f, dev, e);
- if (ret < 0)
+ ret = cxgbe_check_n_destroy(f, dev);
+ if (ret < 0) {
+ rte_flow_error_set(e, ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE,
+ f->private,
+ "error destroying TCAM "
+ "filter.");
goto out;
+ }
}
}
@@ -1263,13 +1282,20 @@ static int cxgbe_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *e)
for (i = adap->tids.hash_base; i <= adap->tids.ntids; i++) {
f = (struct filter_entry *)adap->tids.tid_tab[i];
- ret = cxgbe_check_n_destroy(f, dev, e);
- if (ret < 0)
+ ret = cxgbe_check_n_destroy(f, dev);
+ if (ret < 0) {
+ rte_flow_error_set(e, ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE,
+ f->private,
+ "error destroying HASH "
+ "filter.");
goto out;
+ }
}
}
out:
+ t4_os_unlock(&adap->flow_lock);
return ret >= 0 ? 0 : ret;
}
diff --git a/drivers/net/cxgbe/cxgbe_main.c b/drivers/net/cxgbe/cxgbe_main.c
index f6967a3..cc5f4df 100644
--- a/drivers/net/cxgbe/cxgbe_main.c
+++ b/drivers/net/cxgbe/cxgbe_main.c
@@ -1906,6 +1906,8 @@ allocate_mac:
"filter support disabled. Continuing\n");
}
+ t4_os_lock_init(&adapter->flow_lock);
+
adapter->mpstcam = t4_init_mpstcam(adapter);
if (!adapter->mpstcam)
dev_warn(adapter, "could not allocate mps tcam table."