diff mbox

[dpdk-dev,26/28] bnxt: use only long BDs in Tx path

Message ID 20170328034903.41482-27-ajit.khaparde@broadcom.com (mailing list archive)
State Changes Requested, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
ci/Intel-compilation fail Compilation issues
ci/checkpatch success coding style OK

Commit Message

Ajit Khaparde March 28, 2017, 3:49 a.m. UTC 
  Devices before Cu+B1 cannot mix long and short buffer descriptors.
Use the long BD in all cases.

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/bnxt_txr.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox

Patch

diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c
index 6870b16..6222f62 100644
--- a/drivers/net/bnxt/bnxt_txr.c
+++ b/drivers/net/bnxt/bnxt_txr.c
@@ -159,6 +159,10 @@  static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 		TX_BD_LONG_FLAGS_LHINT_LT2K
 	};
 
+	/* Devices before Cu+B1 need to avoid mixing long and short BDs
+	 * Revisit this fix once Cu+B1 is available.
+	 */
+	long_bd = true;
 	if (tx_pkt->ol_flags & (PKT_TX_TCP_SEG | PKT_TX_TCP_CKSUM |
 				PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM |
 				PKT_TX_VLAN_PKT))