[v3] net/tap: Allow jumbo frames

Message ID 6851eba5-3320-d374-90f3-279a19eff60b@tutus.se (mailing list archive)
State Superseded, archived
Delegated to: Andrew Rybchenko
Headers
Series [v3] net/tap: Allow jumbo frames |

Checks

Context Check Description
ci/checkpatch warning coding style issues
ci/Intel-compilation warning apply issues

Commit Message

Francesco Mancino Aug. 8, 2022, 11:50 a.m. UTC
  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(-)
  

Patch

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;