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authorThanneeru Srinivasulu <tsrinivasulu@cavium.com>2017-03-07 18:09:11 +0530
committerDavid S. Miller <davem@davemloft.net>2017-03-09 13:12:41 -0800
commit36fa35d22bffc78c85b5e68adbdd99e914bec764 (patch)
treee03e36ec89faa7c39988b19a69f2b1da837449c2
parent78aacb6f6eeea3c581a29b4a50438d0bdf85ad0b (diff)
net: thunderx: Allow IPv6 frames with zero UDP checksum
Do not consider IPv6 frames with zero UDP checksum as frames with bad checksum and drop them. Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@cavium.com> Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_queues.c6
1 files 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 b1962dbd0409..f13289f0d238 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -622,9 +622,11 @@ 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);
}