From mboxrd@z Thu Jan 1 00:00:00 1970 From: sunil.kovvuri@gmail.com (sunil.kovvuri at gmail.com) Date: Fri, 3 Mar 2017 16:17:50 +0530 Subject: [PATCH 4/4] net: thunderx: Allow IPv6 frames with zero UDP checksum In-Reply-To: <1488538070-12549-1-git-send-email-sunil.kovvuri@gmail.com> References: <1488538070-12549-1-git-send-email-sunil.kovvuri@gmail.com> Message-ID: <1488538070-12549-5-git-send-email-sunil.kovvuri@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Thanneeru Srinivasulu Do not consider IPv6 frames with zero UDP checksum as frames with bad checksum and drop them. Signed-off-by: Thanneeru Srinivasulu Signed-off-by: Sunil Goutham --- drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index ee3aa16..77a86a6 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -657,9 +657,11 @@ static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs, nicvf_send_msg_to_pf(nic, &mbx); if (!nic->sqs_mode && (qidx == 0)) { - /* Enable checking L3/L4 length and TCP/UDP checksums */ + /* Enable checking L3/L4 length and TCP/UDP checksums + * Also allow IPv6 pkts with zero UDP checksum. + */ nicvf_queue_reg_write(nic, NIC_QSET_RQ_GEN_CFG, 0, - (BIT(24) | BIT(23) | BIT(21))); + (BIT(24) | BIT(23) | BIT(21) | BIT(20))); nicvf_config_vlan_stripping(nic, nic->netdev->features); } -- 2.7.4