Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cd027a54 authored by Jacek Kalwas's avatar Jacek Kalwas Committed by Steffen Klassert
Browse files

udp: enable UDP checksum offload for ESP 



In case NIC has support for ESP TX CSUM offload skb->ip_summed is not
set to CHECKSUM_PARTIAL which results in checksum calculated by SW.

Fix enables ESP TX CSUM for UDP by extending condition with check for
NETIF_F_HW_ESP_TX_CSUM.

Signed-off-by: default avatarJacek Kalwas <jacek.kalwas@intel.com>
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
parent 5e596ee1

net/ipv4/ip_output.c

+1 −1
Original line number Diff line number Diff line
@@ -907,7 +907,7 @@ static int __ip_append_data(struct sock *sk, 
	    length + fragheaderlen <= mtu &&

	    rt->dst.dev->features & (NETIF_F_HW_CSUM | NETIF_F_IP_CSUM) &&

	    !(flags & MSG_MORE) &&

	    !exthdrlen)

	    (!exthdrlen || (rt->dst.dev->features & NETIF_F_HW_ESP_TX_CSUM)))

		csummode = CHECKSUM_PARTIAL;



	cork->length += length;