cxgb4: fill IPsec state validation failure reason

Rely on extack to return failure reason.
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

@@ -6497,8 +6497,7 @@ static int cxgb4_xfrm_add_state(struct xfrm_state *x,
 	int ret;
 
 	if (!mutex_trylock(&uld_mutex)) {
-		dev_dbg(adap->pdev_dev,
-			"crypto uld critical resource is under use\n");
+		NL_SET_ERR_MSG_MOD(extack, "crypto uld critical resource is under use");
 		return -EBUSY;
 	}
 	ret = chcr_offload_state(adap, CXGB4_XFRMDEV_OPS);

drivers/net/ethernet/chelsio/inline_crypto/ch_ipsec/chcr_ipsec.c

@@ -234,59 +234,59 @@ static int ch_ipsec_xfrm_add_state(struct xfrm_state *x,
 	int res = 0;
 
 	if (x->props.aalgo != SADB_AALG_NONE) {
-		pr_debug("Cannot offload authenticated xfrm states\n");
+		NL_SET_ERR_MSG_MOD(extack, "Cannot offload authenticated xfrm states");
 		return -EINVAL;
 	}
 	if (x->props.calgo != SADB_X_CALG_NONE) {
-		pr_debug("Cannot offload compressed xfrm states\n");
+		NL_SET_ERR_MSG_MOD(extack, "Cannot offload compressed xfrm states");
 		return -EINVAL;
 	}
 	if (x->props.family != AF_INET &&
 	    x->props.family != AF_INET6) {
-		pr_debug("Only IPv4/6 xfrm state offloaded\n");
+		NL_SET_ERR_MSG_MOD(extack, "Only IPv4/6 xfrm state offloaded");
 		return -EINVAL;
 	}
 	if (x->props.mode != XFRM_MODE_TRANSPORT &&
 	    x->props.mode != XFRM_MODE_TUNNEL) {
-		pr_debug("Only transport and tunnel xfrm offload\n");
+		NL_SET_ERR_MSG_MOD(extack, "Only transport and tunnel xfrm offload");
 		return -EINVAL;
 	}
 	if (x->id.proto != IPPROTO_ESP) {
-		pr_debug("Only ESP xfrm state offloaded\n");
+		NL_SET_ERR_MSG_MOD(extack, "Only ESP xfrm state offloaded");
 		return -EINVAL;
 	}
 	if (x->encap) {
-		pr_debug("Encapsulated xfrm state not offloaded\n");
+		NL_SET_ERR_MSG_MOD(extack, "Encapsulated xfrm state not offloaded");
 		return -EINVAL;
 	}
 	if (!x->aead) {
-		pr_debug("Cannot offload xfrm states without aead\n");
+		NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states without aead");
 		return -EINVAL;
 	}
 	if (x->aead->alg_icv_len != 128 &&
 	    x->aead->alg_icv_len != 96) {
-		pr_debug("Cannot offload xfrm states with AEAD ICV length other than 96b & 128b\n");
-	return -EINVAL;
+		NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states with AEAD ICV length other than 96b & 128b");
+		return -EINVAL;
 	}
 	if ((x->aead->alg_key_len != 128 + 32) &&
 	    (x->aead->alg_key_len != 256 + 32)) {
-		pr_debug("cannot offload xfrm states with AEAD key length other than 128/256 bit\n");
+		NL_SET_ERR_MSG_MOD(extack, "cannot offload xfrm states with AEAD key length other than 128/256 bit");
 		return -EINVAL;
 	}
 	if (x->tfcpad) {
-		pr_debug("Cannot offload xfrm states with tfc padding\n");
+		NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states with tfc padding");
 		return -EINVAL;
 	}
 	if (!x->geniv) {
-		pr_debug("Cannot offload xfrm states without geniv\n");
+		NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states without geniv");
 		return -EINVAL;
 	}
 	if (strcmp(x->geniv, "seqiv")) {
-		pr_debug("Cannot offload xfrm states with geniv other than seqiv\n");
+		NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states with geniv other than seqiv");
 		return -EINVAL;
 	}
 	if (x->xso.type != XFRM_DEV_OFFLOAD_CRYPTO) {
-		pr_debug("Unsupported xfrm offload\n");
+		NL_SET_ERR_MSG_MOD(extack, "Unsupported xfrm offload");
 		return -EINVAL;
 	}