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net/nfp: support IPv6 VXLAN encap flow action

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Add the offload support of encap action for IPv6 VXLAN tunnel.

Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
This commit is contained in:
Chaoyong He 2022-10-25 15:58:59 +08:00 committed by Ferruh Yigit
parent 724662b4ce
commit c3b7254093
1 changed files with 43 additions and 5 deletions
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48
drivers/net/nfp/nfp_flow.c
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@ -1799,7 +1799,7 @@ nfp_flow_pre_tun_v4_process(struct nfp_fl_act_pre_tun *pre_tun,
pre_tun->ipv4_dst = ipv4_dst;
}
__rte_unused static void
static void
nfp_flow_pre_tun_v6_process(struct nfp_fl_act_pre_tun *pre_tun,
const uint8_t ipv6_dst[])
{
@ -1885,7 +1885,7 @@ nfp_flower_del_tun_neigh_v4(struct nfp_app_fw_flower *app_fw_flower,
return nfp_flower_cmsg_tun_neigh_v4_rule(app_fw_flower, &payload);
}
__rte_unused static int
static int
nfp_flower_add_tun_neigh_v6_encap(struct nfp_app_fw_flower *app_fw_flower,
struct nfp_fl_rule_metadata *nfp_flow_meta,
struct nfp_fl_tun *tun,
@ -2013,6 +2013,42 @@ nfp_flow_action_vxlan_encap_v4(struct nfp_app_fw_flower *app_fw_flower,
tun, &eth->hdr, ipv4);
}
static int
nfp_flow_action_vxlan_encap_v6(struct nfp_app_fw_flower *app_fw_flower,
char *act_data,
char *actions,
const struct vxlan_data *vxlan_data,
struct nfp_fl_rule_metadata *nfp_flow_meta,
struct nfp_fl_tun *tun)
{
struct nfp_fl_act_pre_tun *pre_tun;
struct nfp_fl_act_set_tun *set_tun;
const struct rte_flow_item_eth *eth;
const struct rte_flow_item_ipv6 *ipv6;
const struct rte_flow_item_vxlan *vxlan;
size_t act_pre_size = sizeof(struct nfp_fl_act_pre_tun);
size_t act_set_size = sizeof(struct nfp_fl_act_set_tun);
eth = (const struct rte_flow_item_eth *)vxlan_data->items[0].spec;
ipv6 = (const struct rte_flow_item_ipv6 *)vxlan_data->items[1].spec;
vxlan = (const struct rte_flow_item_vxlan *)vxlan_data->items[3].spec;
pre_tun = (struct nfp_fl_act_pre_tun *)actions;
memset(pre_tun, 0, act_pre_size);
nfp_flow_pre_tun_v6_process(pre_tun, ipv6->hdr.dst_addr);
set_tun = (struct nfp_fl_act_set_tun *)(act_data + act_pre_size);
memset(set_tun, 0, act_set_size);
nfp_flow_set_tun_process(set_tun, NFP_FL_TUN_VXLAN, vxlan->hdr.vx_vni,
ipv6->hdr.hop_limits,
(ipv6->hdr.vtc_flow >> RTE_IPV6_HDR_TC_SHIFT) & 0xff);
set_tun->tun_flags = vxlan->hdr.vx_flags;
/* Send the tunnel neighbor cmsg to fw */
return nfp_flower_add_tun_neigh_v6_encap(app_fw_flower, nfp_flow_meta,
tun, &eth->hdr, ipv6);
}
static int
nfp_flow_action_vxlan_encap(struct nfp_app_fw_flower *app_fw_flower,
char *act_data,
@ -2027,7 +2063,8 @@ nfp_flow_action_vxlan_encap(struct nfp_app_fw_flower *app_fw_flower,
vxlan_data = action->conf;
if (vxlan_data->items[0].type != RTE_FLOW_ITEM_TYPE_ETH ||
vxlan_data->items[1].type != RTE_FLOW_ITEM_TYPE_IPV4 ||
(vxlan_data->items[1].type != RTE_FLOW_ITEM_TYPE_IPV4 &&
vxlan_data->items[1].type != RTE_FLOW_ITEM_TYPE_IPV6) ||
vxlan_data->items[2].type != RTE_FLOW_ITEM_TYPE_UDP ||
vxlan_data->items[3].type != RTE_FLOW_ITEM_TYPE_VXLAN ||
vxlan_data->items[4].type != RTE_FLOW_ITEM_TYPE_END) {
@ -2048,8 +2085,9 @@ nfp_flow_action_vxlan_encap(struct nfp_app_fw_flower *app_fw_flower,
if (vxlan_data->items[1].type == RTE_FLOW_ITEM_TYPE_IPV4)
return nfp_flow_action_vxlan_encap_v4(app_fw_flower, act_data,
actions, vxlan_data, nfp_flow_meta, tun);
return 0;
else
return nfp_flow_action_vxlan_encap_v6(app_fw_flower, act_data,
actions, vxlan_data, nfp_flow_meta, tun);
}
static int