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net/nfp: support IPv4 DSCP flow action

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Add the corresponding logics to support the offload of
set IPv4 DSCP action.

Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
This commit is contained in:
Chaoyong He 2022-10-21 16:02:02 +08:00 committed by Ferruh Yigit
parent ac12e126c4
commit 9c665d70f7
2 changed files with 40 additions and 0 deletions
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1
doc/guides/nics/features/nfp.ini
View File

@ -44,6 +44,7 @@ of_push_vlan = Y
of_set_vlan_pcp = Y
of_set_vlan_vid = Y
port_id = Y
set_ipv4_dscp = Y
set_ipv4_dst = Y
set_ipv4_src = Y
set_ipv6_dst = Y

39
drivers/net/nfp/nfp_flow.c
View File

@ -672,6 +672,14 @@ nfp_flow_key_layers_calculate_actions(const struct rte_flow_action actions[],
}
}
break;
case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
PMD_DRV_LOG(DEBUG, "RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP detected");
if (!ttl_tos_flag) {
key_ls->act_size +=
sizeof(struct nfp_fl_act_set_ip4_ttl_tos);
ttl_tos_flag = true;
}
break;
default:
PMD_DRV_LOG(ERR, "Action type %d not supported.", action->type);
return -ENOTSUP;
@ -1495,6 +1503,29 @@ nfp_flow_action_set_hl(char *act_data,
tc_hl->reserved = 0;
}
static void
nfp_flow_action_set_tos(char *act_data,
const struct rte_flow_action *action,
bool ttl_tos_flag)
{
size_t act_size;
struct nfp_fl_act_set_ip4_ttl_tos *ttl_tos;
const struct rte_flow_action_set_dscp *tos_conf;
if (ttl_tos_flag)
ttl_tos = (struct nfp_fl_act_set_ip4_ttl_tos *)act_data - 1;
else
ttl_tos = (struct nfp_fl_act_set_ip4_ttl_tos *)act_data;
act_size = sizeof(struct nfp_fl_act_set_ip4_ttl_tos);
ttl_tos->head.jump_id = NFP_FL_ACTION_OPCODE_SET_IPV4_TTL_TOS;
ttl_tos->head.len_lw = act_size >> NFP_FL_LW_SIZ;
tos_conf = (const struct rte_flow_action_set_dscp *)action->conf;
ttl_tos->ipv4_tos = tos_conf->dscp;
ttl_tos->reserved = 0;
}
static int
nfp_flow_compile_action(__rte_unused struct nfp_flower_representor *representor,
const struct rte_flow_action actions[],
@ -1637,6 +1668,14 @@ nfp_flow_compile_action(__rte_unused struct nfp_flower_representor *representor,
}
}
break;
case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
PMD_DRV_LOG(DEBUG, "Process RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP");
nfp_flow_action_set_tos(position, action, ttl_tos_flag);
if (!ttl_tos_flag) {
position += sizeof(struct nfp_fl_act_set_ip4_ttl_tos);
ttl_tos_flag = true;
}
break;
default:
PMD_DRV_LOG(ERR, "Unsupported action type: %d", action->type);
return -ENOTSUP;