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* [PATCH v3] net/tap: Allow jumbo frames
@ 2022-08-08 11:50 Francesco Mancino
  0 siblings, 0 replies; only message in thread
From: Francesco Mancino @ 2022-08-08 11:50 UTC (permalink / raw)
  To: dev

eth_dev_validate_mtu, introduced in 990912e676e, validates configured
MTU plus overhead against max_rx_pktlen.
Since TAP is a virtual device, it should support as big MTU as possible.
---
drivers/net/tap/rte_eth_tap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index 9e1032fe72..54ca4ca5e9 100644
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -1066,7 +1066,7 @@ tap_dev_info(struct rte_eth_dev *dev, struct 
rte_eth_dev_info *dev_info)
dev_info->if_index = internals->if_index;
dev_info->max_mac_addrs = 1;
- dev_info->max_rx_pktlen = (uint32_t)RTE_ETHER_MAX_VLAN_FRAME_LEN;
+ dev_info->max_rx_pktlen = (uint32_t)RTE_ETHER_MAX_JUMBO_FRAME_LEN;
dev_info->max_rx_queues = RTE_PMD_TAP_MAX_QUEUES;
dev_info->max_tx_queues = RTE_PMD_TAP_MAX_QUEUES;
dev_info->min_rx_bufsize = 0;

-- 
2.34.1



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