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authorIdo Schimmel <idosch@mellanox.com>2018-12-04 11:15:10 +0300
committerDavid S. Miller <davem@davemloft.net>2018-12-04 19:36:36 +0300
commit875e8939953483d856de226b72d14c6a000f9457 (patch)
tree8948b57767beddb8d75b1b743191cfbae141f8ad /include/linux/skbuff.h
parentd9bbd6a1a56eccb2b1198b8f2008d622982df0a1 (diff)
downloadlinux-875e8939953483d856de226b72d14c6a000f9457.tar.xz
skbuff: Rename 'offload_mr_fwd_mark' to 'offload_l3_fwd_mark'
Commit abf4bb6b63d0 ("skbuff: Add the offload_mr_fwd_mark field") added the 'offload_mr_fwd_mark' field to indicate that a packet has already undergone L3 multicast routing by a capable device. The field is used to prevent the kernel from forwarding a packet through a netdev through which the device has already forwarded the packet. Currently, no unicast packet is routed by both the device and the kernel, but this is about to change by subsequent patches and we need to be able to mark such packets, so that they will no be forwarded twice. Instead of adding yet another field to 'struct sk_buff', we can just rename 'offload_mr_fwd_mark' to 'offload_l3_fwd_mark', as a packet either has a multicast or a unicast destination IP. While at it, add a comment about both 'offload_fwd_mark' and 'offload_l3_fwd_mark'. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 75d50ab7997c..b1831a5ca173 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -616,6 +616,8 @@ typedef unsigned char *sk_buff_data_t;
* @pkt_type: Packet class
* @fclone: skbuff clone status
* @ipvs_property: skbuff is owned by ipvs
+ * @offload_fwd_mark: Packet was L2-forwarded in hardware
+ * @offload_l3_fwd_mark: Packet was L3-forwarded in hardware
* @tc_skip_classify: do not classify packet. set by IFB device
* @tc_at_ingress: used within tc_classify to distinguish in/egress
* @tc_redirected: packet was redirected by a tc action
@@ -799,7 +801,7 @@ struct sk_buff {
__u8 remcsum_offload:1;
#ifdef CONFIG_NET_SWITCHDEV
__u8 offload_fwd_mark:1;
- __u8 offload_mr_fwd_mark:1;
+ __u8 offload_l3_fwd_mark:1;
#endif
#ifdef CONFIG_NET_CLS_ACT
__u8 tc_skip_classify:1;