[PATCH] net/tap: Allow jumbo frames
    Francesco Mancino 
    francesco.mancino at tutus.se
       
    Mon Aug  8 11:31:16 CEST 2022
    
    
  
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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