LineageOS/android_packages_modules_Connectivity
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offload - ignore ethernet packets not destined for us am: 18552e8fb3 am: 258660ccff

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Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1559389

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iceb78013e560cb4550fe7dac5e0619dc11074e90
This commit is contained in:
Maciej Żenczykowski
2021-01-25 19:50:21 +00:00
committed by Automerger Merge Worker
parent 6588fd6a86 258660ccff
commit be68e49daa
1 changed files with 3 additions and 0 deletions
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Tethering/bpf_progs/offload.c
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@@ -50,6 +50,9 @@ static inline __always_inline int do_forward6(struct __sk_buff* skb, const bool
struct ethhdr* eth = is_ethernet ? data : NULL; // used iff is_ethernet
struct ipv6hdr* ip6 = is_ethernet ? (void*)(eth + 1) : data;
// Require ethernet dst mac address to be our unicast address.
if (is_ethernet && (skb->pkt_type != PACKET_HOST)) return TC_ACT_OK;
// Must be meta-ethernet IPv6 frame
if (skb->protocol != htons(ETH_P_IPV6)) return TC_ACT_OK;