diff mbox series

[3/4] net: dev_is_mac_header_xmit() return false for ARPHRD_PUREIP

Message ID 20210623113452.5671-3-rocco.yue@mediatek.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series [1/4] net: if_arp: add ARPHRD_PUREIP type | expand


Context Check Description
netdev/cover_letter warning Series does not have a cover letter
netdev/fixes_present success Link
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netdev/tree_selection success Guessed tree name to be net-next
netdev/subject_prefix success Link
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netdev/source_inline success Was 0 now: 0
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netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 2469 this patch: 2469
netdev/kdoc success Errors and warnings before: 0 this patch: 0
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 7 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 2549 this patch: 2549
netdev/header_inline success Link

Commit Message

Rocco Yue June 23, 2021, 11:34 a.m. UTC
the incoming/outgoing packets on that pure ip interface do
not have an ethernet header. So adding ARPHRD_PUREIP to the
dev_is_mac_header_xmit() make the function return false, and
__bpf_redirect() checks this boolean to determine whether to
prefix an ethernet header.

Signed-off-by: Rocco Yue <rocco.yue@mediatek.com>
 include/linux/if_arp.h | 1 +
 1 file changed, 1 insertion(+)
diff mbox series


diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index bf5c5f32c65e..0dc7af11c463 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -51,6 +51,7 @@  static inline bool dev_is_mac_header_xmit(const struct net_device *dev)
 		return false;
 		return true;