3 files changed, 24 insertions, 10 deletions

diff --git a/drivers/net/ethernet/netronome/nfp/ccm.h b/drivers/net/ethernet/netronome/nfp/ccm.h
index da1b1e20df51..a460c75522be 100644
--- a/drivers/net/ethernet/netronome/nfp/ccm.h
+++ b/drivers/net/ethernet/netronome/nfp/ccm.h
@@ -118,6 +118,10 @@ bool nfp_ccm_mbox_fits(struct nfp_net *nn, unsigned int size);
 struct sk_buff *
 nfp_ccm_mbox_msg_alloc(struct nfp_net *nn, unsigned int req_size,
 		       unsigned int reply_size, gfp_t flags);
+int __nfp_ccm_mbox_communicate(struct nfp_net *nn, struct sk_buff *skb,
+			       enum nfp_ccm_type type,
+			       unsigned int reply_size,
+			       unsigned int max_reply_size, bool critical);
 int nfp_ccm_mbox_communicate(struct nfp_net *nn, struct sk_buff *skb,
 			     enum nfp_ccm_type type,
 			     unsigned int reply_size,
diff --git a/drivers/net/ethernet/netronome/nfp/ccm_mbox.c b/drivers/net/ethernet/netronome/nfp/ccm_mbox.c
index 02fccd90961d..d160ac794d98 100644
--- a/drivers/net/ethernet/netronome/nfp/ccm_mbox.c
+++ b/drivers/net/ethernet/netronome/nfp/ccm_mbox.c
@@ -515,13 +515,13 @@ nfp_ccm_mbox_msg_prepare(struct nfp_net *nn, struct sk_buff *skb,
 
 static int
 nfp_ccm_mbox_msg_enqueue(struct nfp_net *nn, struct sk_buff *skb,
-			 enum nfp_ccm_type type)
+			 enum nfp_ccm_type type, bool critical)
 {
 	struct nfp_ccm_hdr *hdr;
 
 	assert_spin_locked(&nn->mbox_cmsg.queue.lock);
 
-	if (nn->mbox_cmsg.queue.qlen >= NFP_CCM_MAX_QLEN) {
+	if (!critical && nn->mbox_cmsg.queue.qlen >= NFP_CCM_MAX_QLEN) {
 		nn_dp_warn(&nn->dp, "mailbox request queue too long\n");
 		return -EBUSY;
 	}
@@ -536,10 +536,10 @@ nfp_ccm_mbox_msg_enqueue(struct nfp_net *nn, struct sk_buff *skb,
 	return 0;
 }
 
-int nfp_ccm_mbox_communicate(struct nfp_net *nn, struct sk_buff *skb,
-			     enum nfp_ccm_type type,
-			     unsigned int reply_size,
-			     unsigned int max_reply_size)
+int __nfp_ccm_mbox_communicate(struct nfp_net *nn, struct sk_buff *skb,
+			       enum nfp_ccm_type type,
+			       unsigned int reply_size,
+			       unsigned int max_reply_size, bool critical)
 {
 	int err;
 
@@ -550,7 +550,7 @@ int nfp_ccm_mbox_communicate(struct nfp_net *nn, struct sk_buff *skb,
 
 	spin_lock_bh(&nn->mbox_cmsg.queue.lock);
 
-	err = nfp_ccm_mbox_msg_enqueue(nn, skb, type);
+	err = nfp_ccm_mbox_msg_enqueue(nn, skb, type, critical);
 	if (err)
 		goto err_unlock;
 
@@ -594,6 +594,15 @@ err_free_skb:
 	return err;
 }
 
+int nfp_ccm_mbox_communicate(struct nfp_net *nn, struct sk_buff *skb,
+			     enum nfp_ccm_type type,
+			     unsigned int reply_size,
+			     unsigned int max_reply_size)
+{
+	return __nfp_ccm_mbox_communicate(nn, skb, type, reply_size,
+					  max_reply_size, false);
+}
+
 static void nfp_ccm_mbox_post_runq_work(struct work_struct *work)
 {
 	struct sk_buff *skb;
@@ -650,7 +659,7 @@ int nfp_ccm_mbox_post(struct nfp_net *nn, struct sk_buff *skb,
 
 	spin_lock_bh(&nn->mbox_cmsg.queue.lock);
 
-	err = nfp_ccm_mbox_msg_enqueue(nn, skb, type);
+	err = nfp_ccm_mbox_msg_enqueue(nn, skb, type, false);
 	if (err)
 		goto err_unlock;
 
diff --git a/drivers/net/ethernet/netronome/nfp/crypto/tls.c b/drivers/net/ethernet/netronome/nfp/crypto/tls.c
index 9f7ccb7da417..086bea0a7f2d 100644
--- a/drivers/net/ethernet/netronome/nfp/crypto/tls.c
+++ b/drivers/net/ethernet/netronome/nfp/crypto/tls.c
@@ -112,8 +112,9 @@ nfp_net_tls_communicate_simple(struct nfp_net *nn, struct sk_buff *skb,
 	struct nfp_crypto_reply_simple *reply;
 	int err;
 
-	err = nfp_ccm_mbox_communicate(nn, skb, type,
-				       sizeof(*reply), sizeof(*reply));
+	err = __nfp_ccm_mbox_communicate(nn, skb, type,
+					 sizeof(*reply), sizeof(*reply),
+					 type == NFP_CCM_TYPE_CRYPTO_DEL);
 	if (err) {
 		nn_dp_warn(&nn->dp, "failed to %s TLS: %d\n", name, err);
 		return err;