Add to support Rx jumbo frames.
Signed-off-by: Jiawen Wu <jiawe...@trustnetic.com>
---
doc/guides/nics/features/ngbe.ini | 1 +
doc/guides/nics/ngbe.rst | 1 +
drivers/net/ngbe/ngbe_rxtx.c | 11 ++++++++++-
3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/doc/guides/nics/features/ngbe.ini
b/doc/guides/nics/features/ngbe.ini
index 2a472d9434..30fdfe62c7 100644
--- a/doc/guides/nics/features/ngbe.ini
+++ b/doc/guides/nics/features/ngbe.ini
@@ -8,6 +8,7 @@ Speed capabilities = Y
Link status = Y
Link status event = Y
Queue start/stop = Y
+Jumbo frame = Y
Scattered Rx = Y
TSO = Y
CRC offload = P
diff --git a/doc/guides/nics/ngbe.rst b/doc/guides/nics/ngbe.rst
index 6a6ae39243..702a455041 100644
--- a/doc/guides/nics/ngbe.rst
+++ b/doc/guides/nics/ngbe.rst
@@ -14,6 +14,7 @@ Features
- Packet type information
- Checksum offload
- TSO offload
+- Jumbo frames
- Link state information
- Scattered and gather for TX and RX
diff --git a/drivers/net/ngbe/ngbe_rxtx.c b/drivers/net/ngbe/ngbe_rxtx.c
index f9d8cf9d19..4238fbe3b8 100644
--- a/drivers/net/ngbe/ngbe_rxtx.c
+++ b/drivers/net/ngbe/ngbe_rxtx.c
@@ -2008,6 +2008,7 @@ ngbe_get_rx_port_offloads(struct rte_eth_dev *dev
__rte_unused)
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM |
DEV_RX_OFFLOAD_KEEP_CRC |
+ DEV_RX_OFFLOAD_JUMBO_FRAME |
DEV_RX_OFFLOAD_SCATTER;
return offloads;
@@ -2314,8 +2315,16 @@ ngbe_dev_rx_init(struct rte_eth_dev *dev)
hlreg0 &= ~NGBE_SECRXCTL_XDSA;
wr32(hw, NGBE_SECRXCTL, hlreg0);
- wr32m(hw, NGBE_FRMSZ, NGBE_FRMSZ_MAX_MASK,
+ /*
+ * Configure jumbo frame support, if any.
+ */
+ if (rx_conf->offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
+ wr32m(hw, NGBE_FRMSZ, NGBE_FRMSZ_MAX_MASK,
+ NGBE_FRMSZ_MAX(rx_conf->max_rx_pkt_len));
+ } else {
+ wr32m(hw, NGBE_FRMSZ, NGBE_FRMSZ_MAX_MASK,
NGBE_FRMSZ_MAX(NGBE_FRAME_SIZE_DFT));
+ }
/* Setup Rx queues */
for (i = 0; i < dev->data->nb_rx_queues; i++) {
--
2.21.0.windows.1
