[dpdk-dev] [PATCH] i40e jumbo frames fix
Gregory Etelson
gregory at weka.io
Wed Dec 21 06:15:35 CET 2016
Allow i40e PF and VF ports to operate with Ethernet jumbo frames
Signed-off-by: Gregory Etelson <gregory at weka.io>
---
drivers/net/i40e/i40e_ethdev_vf.c | 2 +-
drivers/net/i40e/i40e_rxtx.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index aa306d6..cf814e9 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -1784,7 +1784,7 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
* Check if the jumbo frame and maximum packet length are set correctly
*/
if (dev_data->dev_conf.rxmode.jumbo_frame == 1) {
- if (rxq->max_pkt_len <= ETHER_MAX_LEN ||
+ if (rxq->max_pkt_len < ETHER_MAX_LEN ||
rxq->max_pkt_len > I40E_FRAME_SIZE_MAX) {
PMD_DRV_LOG(ERR, "maximum packet length must be "
"larger than %u and smaller than %u, as jumbo "
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 7ae7d9f..8cb4655 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -2324,7 +2324,7 @@ static inline int __attribute__((always_inline))
len = hw->func_caps.rx_buf_chain_len * rxq->rx_buf_len;
rxq->max_pkt_len = RTE_MIN(len, data->dev_conf.rxmode.max_rx_pkt_len);
if (data->dev_conf.rxmode.jumbo_frame == 1) {
- if (rxq->max_pkt_len <= ETHER_MAX_LEN ||
+ if (rxq->max_pkt_len < ETHER_MAX_LEN ||
rxq->max_pkt_len > I40E_FRAME_SIZE_MAX) {
PMD_DRV_LOG(ERR, "maximum packet length must "
"be larger than %u and smaller than %u,"
--
1.7.1
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