[ovs-dev] [PATCH V2 1/1] netdev-tc-offloads: Support IPv6 hlimit rewrite

Eli Britstein elibr at mellanox.com
Wed Dec 26 07:36:22 UTC 2018


Add support for IPv6 hlimit field.

Signed-off-by: Eli Britstein <elibr at mellanox.com>
Reviewed-by: Paul Blakey <paulb at mellanox.com>
---
 lib/netdev-tc-offloads.c | 4 ++++
 lib/tc.c                 | 5 +++++
 lib/tc.h                 | 1 +
 3 files changed, 10 insertions(+)

diff --git a/lib/netdev-tc-offloads.c b/lib/netdev-tc-offloads.c
index 606a4f4db..772b99b31 100644
--- a/lib/netdev-tc-offloads.c
+++ b/lib/netdev-tc-offloads.c
@@ -76,6 +76,10 @@ static struct netlink_field set_flower_map[][3] = {
           offsetof(struct tc_flower_key, ipv6.ipv6_dst),
           MEMBER_SIZEOF(struct tc_flower_key, ipv6.ipv6_dst)
         },
+        { offsetof(struct ovs_key_ipv6, ipv6_hlimit),
+          offsetof(struct tc_flower_key, ipv6.rewrite_hlimit),
+          MEMBER_SIZEOF(struct tc_flower_key, ipv6.rewrite_hlimit)
+        },
     },
     [OVS_KEY_ATTR_ETHERNET] = {
         { offsetof(struct ovs_key_ethernet, eth_src),
diff --git a/lib/tc.c b/lib/tc.c
index 47127ca2c..adba3cd28 100644
--- a/lib/tc.c
+++ b/lib/tc.c
@@ -91,6 +91,11 @@ static struct flower_key_to_pedit flower_pedit_map[] = {
         8,
         offsetof(struct tc_flower_key, ipv4.rewrite_ttl),
         MEMBER_SIZEOF(struct tc_flower_key, ipv4.rewrite_ttl)
+    }, {
+        TCA_PEDIT_KEY_EX_HDR_TYPE_IP6,
+        7,
+        offsetof(struct tc_flower_key, ipv6.rewrite_hlimit),
+        MEMBER_SIZEOF(struct tc_flower_key, ipv6.rewrite_hlimit)
     }, {
         TCA_PEDIT_KEY_EX_HDR_TYPE_IP6,
         8,
diff --git a/lib/tc.h b/lib/tc.h
index fe64fa887..7196a32d7 100644
--- a/lib/tc.h
+++ b/lib/tc.h
@@ -107,6 +107,7 @@ struct tc_flower_key {
     struct {
         struct in6_addr ipv6_src;
         struct in6_addr ipv6_dst;
+        uint8_t rewrite_hlimit;
     } ipv6;
 
     struct {
-- 
2.14.5



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