Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Shinas Rasheed <> | Subject | [PATCH net-next v3 RESEND 1/4] octeon_ep: add padding for small packets | Date | Tue, 14 Nov 2023 05:45:32 -0800 |
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Pad small packets to ETH_ZLEN before transmit, as hardware cannot pad and requires software padding to ensure minimum ethernet frame length.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com> --- V3: - Updated changelog to provide more info. V2: https://lore.kernel.org/all/20231024145119.2366588-2-srasheed@marvell.com/ - Introduced the patch
drivers/net/ethernet/marvell/octeon_ep/octep_main.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c index 552970c7dec0..2c86b911a380 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c @@ -820,6 +820,9 @@ static netdev_tx_t octep_start_xmit(struct sk_buff *skb, u16 nr_frags, si; u16 q_no, wi; + if (skb_put_padto(skb, ETH_ZLEN)) + return NETDEV_TX_OK; + q_no = skb_get_queue_mapping(skb); if (q_no >= oct->num_iqs) { netdev_err(netdev, "Invalid Tx skb->queue_mapping=%d\n", q_no); -- 2.25.1
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