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authorOlof Johansson <olof@lixom.net>2019-07-02 15:13:20 -0700
committerOlof Johansson <olof@lixom.net>2019-07-02 15:13:20 -0700
commit2659dc8d225c956b91d8a8e4ef05d91b2e985c02 (patch)
tree5cb6e035b6f154668f4f144b66ccc825a0c73df5 /net/core/dev.c
parent521a503f5247de9a5cbc381f15c466a6c6f2793c (diff)
parent4f2fe646770774d02d52a514849c181c9e0970f6 (diff)
Merge tag 'davinci-fixes-for-v5.2-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into arm/fixes
This set of patches fixes regressions introduced in v5.2 kernel when DA8xx OHCI driver was converted over to use GPIO regulators. * tag 'davinci-fixes-for-v5.2-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: ARM: davinci: da830-evm: fix GPIO lookup for OHCI ARM: davinci: omapl138-hawk: add missing regulator constraints for OHCI ARM: davinci: da830-evm: add missing regulator constraints for OHCI + Linux 5.2-rc7 Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index eb7fb6daa1ef..d6edd218babd 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4923,8 +4923,36 @@ skip_classify:
}
if (unlikely(skb_vlan_tag_present(skb))) {
- if (skb_vlan_tag_get_id(skb))
+check_vlan_id:
+ if (skb_vlan_tag_get_id(skb)) {
+ /* Vlan id is non 0 and vlan_do_receive() above couldn't
+ * find vlan device.
+ */
skb->pkt_type = PACKET_OTHERHOST;
+ } else if (skb->protocol == cpu_to_be16(ETH_P_8021Q) ||
+ skb->protocol == cpu_to_be16(ETH_P_8021AD)) {
+ /* Outer header is 802.1P with vlan 0, inner header is
+ * 802.1Q or 802.1AD and vlan_do_receive() above could
+ * not find vlan dev for vlan id 0.
+ */
+ __vlan_hwaccel_clear_tag(skb);
+ skb = skb_vlan_untag(skb);
+ if (unlikely(!skb))
+ goto out;
+ if (vlan_do_receive(&skb))
+ /* After stripping off 802.1P header with vlan 0
+ * vlan dev is found for inner header.
+ */
+ goto another_round;
+ else if (unlikely(!skb))
+ goto out;
+ else
+ /* We have stripped outer 802.1P vlan 0 header.
+ * But could not find vlan dev.
+ * check again for vlan id to set OTHERHOST.
+ */
+ goto check_vlan_id;
+ }
/* Note: we might in the future use prio bits
* and set skb->priority like in vlan_do_receive()
* For the time being, just ignore Priority Code Point