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Commit ee2fa8e6 authored by Manish Chopra's avatar Manish Chopra Committed by David S. Miller
Browse files

qede: Fix single MTU sized packet from firmware GRO flow 



In firmware assisted GRO flow there could be a single MTU sized
segment arriving due to firmware aggregation timeout/last segment
in an aggregation flow, which is not expected to be an actual gro
packet. So If a skb has zero frags from the GRO flow then simply
push it in the stack as non gso skb.

Signed-off-by: default avatarManish Chopra <manish.chopra@qlogic.com>
Signed-off-by: default avatarYuval Mintz <yuval.mintz@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent aad94c04

drivers/net/ethernet/qlogic/qede/qede_main.c

+13 −0
Original line number Diff line number Diff line
@@ -1069,6 +1069,17 @@ static void qede_gro_receive(struct qede_dev *edev, 
			     struct sk_buff *skb,

			     u16 vlan_tag)

{

	/* FW can send a single MTU sized packet from gro flow

	 * due to aggregation timeout/last segment etc. which

	 * is not expected to be a gro packet. If a skb has zero

	 * frags then simply push it in the stack as non gso skb.

	 */

	if (unlikely(!skb->data_len)) {

		skb_shinfo(skb)->gso_type = 0;

		skb_shinfo(skb)->gso_size = 0;

		goto send_skb;

	}



#ifdef CONFIG_INET

	if (skb_shinfo(skb)->gso_size) {

		skb_set_network_header(skb, 0);
@@ -1087,6 +1098,8 @@ static void qede_gro_receive(struct qede_dev *edev, 
		}

	}

#endif



send_skb:

	skb_record_rx_queue(skb, fp->rss_id);

	qede_skb_receive(edev, fp, skb, vlan_tag);

}