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net/nfp: support IPv6 GENEVE encap flow action

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Add the offload support of encap action for IPv6 GENEVE 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 15:59:05 +08:00 committed by Ferruh Yigit
parent a2a1153b6f
commit 98fa36eccc
1 changed files with 49 additions and 0 deletions
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49
drivers/net/nfp/nfp_flow.c
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@ -43,6 +43,10 @@ struct vxlan_data {
sizeof(struct rte_ipv4_hdr) + \
sizeof(struct rte_udp_hdr) + \
sizeof(struct rte_flow_item_geneve))
#define GENEVE_V6_LEN (sizeof(struct rte_ether_hdr) + \
sizeof(struct rte_ipv6_hdr) + \
sizeof(struct rte_udp_hdr) + \
sizeof(struct rte_flow_item_geneve))
/* Process structure associated with a flow item */
struct nfp_flow_item_proc {
@ -2672,6 +2676,47 @@ nfp_flow_action_geneve_encap_v4(struct nfp_app_fw_flower *app_fw_flower,
tun, eth, ipv4);
}
static int
nfp_flow_action_geneve_encap_v6(struct nfp_app_fw_flower *app_fw_flower,
char *act_data,
char *actions,
const struct rte_flow_action_raw_encap *raw_encap,
struct nfp_fl_rule_metadata *nfp_flow_meta,
struct nfp_fl_tun *tun)
{
uint8_t tos;
uint64_t tun_id;
const struct rte_ether_hdr *eth;
const struct rte_flow_item_udp *udp;
const struct rte_flow_item_ipv6 *ipv6;
const struct rte_flow_item_geneve *geneve;
struct nfp_fl_act_pre_tun *pre_tun;
struct nfp_fl_act_set_tun *set_tun;
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_ether_hdr *)raw_encap->data;
ipv6 = (const struct rte_flow_item_ipv6 *)(eth + 1);
udp = (const struct rte_flow_item_udp *)(ipv6 + 1);
geneve = (const struct rte_flow_item_geneve *)(udp + 1);
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);
tos = (ipv6->hdr.vtc_flow >> RTE_IPV6_HDR_TC_SHIFT) & 0xff;
tun_id = (geneve->vni[0] << 16) | (geneve->vni[1] << 8) | geneve->vni[2];
nfp_flow_set_tun_process(set_tun, NFP_FL_TUN_GENEVE, tun_id,
ipv6->hdr.hop_limits, tos);
set_tun->tun_proto = geneve->protocol;
/* Send the tunnel neighbor cmsg to fw */
return nfp_flower_add_tun_neigh_v6_encap(app_fw_flower, nfp_flow_meta,
tun, eth, ipv6);
}
static int
nfp_flow_action_raw_encap(struct nfp_app_fw_flower *app_fw_flower,
char *act_data,
@ -2706,6 +2751,10 @@ nfp_flow_action_raw_encap(struct nfp_app_fw_flower *app_fw_flower,
ret = nfp_flow_action_geneve_encap_v4(app_fw_flower, act_data,
actions, raw_encap, nfp_flow_meta, tun);
break;
case GENEVE_V6_LEN:
ret = nfp_flow_action_geneve_encap_v6(app_fw_flower, act_data,
actions, raw_encap, nfp_flow_meta, tun);
break;
default:
PMD_DRV_LOG(ERR, "Not an valid raw encap action conf.");
ret = -EINVAL;