X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc.c;h=03ecec282c825c28bacc86efe7a4dbb1b9dcadd9;hb=f8687bd0b2fc62eb9f6397bbdc75dd03ad4e0048;hp=22426fae73292e56223fe1e64419c079a17d295f;hpb=4ec1fc3ba88183071cf4441d74fdc5a6d5525ade;p=dpdk.git

diff --git a/drivers/net/sfc/sfc.c b/drivers/net/sfc/sfc.c
index 22426fae73..03ecec282c 100644
--- a/drivers/net/sfc/sfc.c
+++ b/drivers/net/sfc/sfc.c
@@ -203,6 +203,13 @@ sfc_estimate_resource_limits(struct sfc_adapter *sa)
 	limits.edl_max_txq_count =
 		MIN(encp->enc_txq_limit,
 		    limits.edl_max_evq_count - 1 - limits.edl_max_rxq_count);
+
+	if (sa->tso)
+		limits.edl_max_txq_count =
+			MIN(limits.edl_max_txq_count,
+			    encp->enc_fw_assisted_tso_v2_n_contexts /
+			    encp->enc_hw_pf_count);
+
 	SFC_ASSERT(limits.edl_max_txq_count >= limits.edl_min_rxq_count);
 
 	/* Configure the minimum required resources needed for the
@@ -601,12 +608,17 @@ sfc_attach(struct sfc_adapter *sa)
 	if (rc != 0)
 		goto fail_nic_reset;
 
+	encp = efx_nic_cfg_get(sa->nic);
+
+	sa->tso = encp->enc_fw_assisted_tso_v2_enabled;
+	if (!sa->tso)
+		sfc_warn(sa, "TSO support isn't available on this adapter");
+
 	sfc_log_init(sa, "estimate resource limits");
 	rc = sfc_estimate_resource_limits(sa);
 	if (rc != 0)
 		goto fail_estimate_rsrc_limits;
 
-	encp = efx_nic_cfg_get(sa->nic);
 	sa->txq_max_entries = encp->enc_txq_max_ndescs;
 	SFC_ASSERT(rte_is_power_of_2(sa->txq_max_entries));