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Code Issues Releases Wiki Activity

netdev-offload-dpdk: Support offload of set IPv6 actions.

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Add support for set IPv6 actions.

Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roni Bar Yanai <roniba@mellanox.com>
Acked-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
This commit is contained in:
Eli Britstein
2020-07-08 06:38:27 +00:00
committed by Ilya Maximets
parent 85270e9963
commit b6207b1d27
3 changed files with 35 additions and 0 deletions
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1
Documentation/howto/dpdk.rst
View File

@@ -396,6 +396,7 @@ Supported actions for hardware offload are:
- Modification of IPv4 (mod_nw_src/mod_nw_dst/mod_nw_ttl).
- Modification of TCP/UDP (mod_tp_src/mod_tp_dst).
- VLAN Push/Pop (push_vlan/pop_vlan).
- Modification of IPv6 (set_field:<ADDR>->ipv6_src/ipv6_dst/mod_nw_ttl).
Further Reading
---------------

2
NEWS
View File

@@ -11,6 +11,8 @@ Post-v2.13.0
* Deprecated DPDK ring ports (dpdkr) are no longer supported.
* Add hardware offload support for VLAN Push/Pop actions (experimental).
* Add hardware offload support for matching IPv6 protocol (experimental).
* Add hardware offload support for set of IPv6 src/dst/ttl
actions (experimental).
- Linux datapath:
* Support for kernel versions up to 5.5.x.
- AF_XDP:

32
lib/netdev-offload-dpdk.c
View File

@@ -437,6 +437,20 @@ dump_flow_action(struct ds *s, const struct rte_flow_action *actions)
ds_put_cstr(s, "/ ");
} else if (actions->type == RTE_FLOW_ACTION_TYPE_OF_POP_VLAN) {
ds_put_cstr(s, "of_pop_vlan / ");
} else if (actions->type == RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC ||
actions->type == RTE_FLOW_ACTION_TYPE_SET_IPV6_DST) {
const struct rte_flow_action_set_ipv6 *set_ipv6 = actions->conf;
char *dirstr = actions->type == RTE_FLOW_ACTION_TYPE_SET_IPV6_DST
? "dst" : "src";
ds_put_format(s, "set_ipv6_%s ", dirstr);
if (set_ipv6) {
ds_put_cstr(s, "ipv6_addr ");
ipv6_format_addr((struct in6_addr *) &set_ipv6->ipv6_addr, s);
ds_put_cstr(s, " ");
}
ds_put_cstr(s, "/ ");
} else {
ds_put_format(s, "unknown rte flow action (%d)\n", actions->type);
}
@@ -984,6 +998,12 @@ BUILD_ASSERT_DECL(sizeof(struct rte_flow_action_set_ipv4) ==
MEMBER_SIZEOF(struct ovs_key_ipv4, ipv4_dst));
BUILD_ASSERT_DECL(sizeof(struct rte_flow_action_set_ttl) ==
MEMBER_SIZEOF(struct ovs_key_ipv4, ipv4_ttl));
BUILD_ASSERT_DECL(sizeof(struct rte_flow_action_set_ipv6) ==
MEMBER_SIZEOF(struct ovs_key_ipv6, ipv6_src));
BUILD_ASSERT_DECL(sizeof(struct rte_flow_action_set_ipv6) ==
MEMBER_SIZEOF(struct ovs_key_ipv6, ipv6_dst));
BUILD_ASSERT_DECL(sizeof(struct rte_flow_action_set_ttl) ==
MEMBER_SIZEOF(struct ovs_key_ipv6, ipv6_hlimit));
BUILD_ASSERT_DECL(sizeof(struct rte_flow_action_set_tp) ==
MEMBER_SIZEOF(struct ovs_key_tcp, tcp_src));
BUILD_ASSERT_DECL(sizeof(struct rte_flow_action_set_tp) ==
@@ -1033,6 +1053,18 @@ parse_set_actions(struct flow_actions *actions,
VLOG_DBG_RL(&rl, "Unsupported IPv4 set action");
return -1;
}
} else if (nl_attr_type(sa) == OVS_KEY_ATTR_IPV6) {
const struct ovs_key_ipv6 *key = nl_attr_get(sa);
const struct ovs_key_ipv6 *mask = masked ? key + 1 : NULL;
add_set_flow_action(ipv6_src, RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC);
add_set_flow_action(ipv6_dst, RTE_FLOW_ACTION_TYPE_SET_IPV6_DST);
add_set_flow_action(ipv6_hlimit, RTE_FLOW_ACTION_TYPE_SET_TTL);
if (mask && !is_all_zeros(mask, sizeof *mask)) {
VLOG_DBG_RL(&rl, "Unsupported IPv6 set action");
return -1;
}
} else if (nl_attr_type(sa) == OVS_KEY_ATTR_TCP) {
const struct ovs_key_tcp *key = nl_attr_get(sa);
const struct ovs_key_tcp *mask = masked ? key + 1 : NULL;