From d37705068ee831d0419c8347d73c734ecf13ce3a Mon Sep 17 00:00:00 2001 From: Bernard Iremonger Date: Fri, 31 Mar 2017 18:58:33 +0100 Subject: [PATCH] net/i40e: parse QinQ pattern add QinQ pattern. add i40e_flow_parse_qinq_pattern function. add i40e_flow_parse_qinq_filter function. Signed-off-by: Bernard Iremonger Acked-by: Wenzhuo Lu --- drivers/net/i40e/i40e_flow.c | 145 ++++++++++++++++++++++++++++++++++- 1 file changed, 143 insertions(+), 2 deletions(-) diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index dc456c338f..bbec7dc1c5 100644 --- a/drivers/net/i40e/i40e_flow.c +++ b/drivers/net/i40e/i40e_flow.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright (c) 2016 Intel Corporation. All rights reserved. + * Copyright (c) 2016-2017 Intel Corporation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -127,6 +127,18 @@ static int i40e_flow_destroy_tunnel_filter(struct i40e_pf *pf, static int i40e_flow_flush_fdir_filter(struct i40e_pf *pf); static int i40e_flow_flush_ethertype_filter(struct i40e_pf *pf); static int i40e_flow_flush_tunnel_filter(struct i40e_pf *pf); +static int +i40e_flow_parse_qinq_filter(struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, + const struct rte_flow_item pattern[], + const struct rte_flow_action actions[], + struct rte_flow_error *error, + union i40e_filter_t *filter); +static int +i40e_flow_parse_qinq_pattern(__rte_unused struct rte_eth_dev *dev, + const struct rte_flow_item *pattern, + struct rte_flow_error *error, + struct i40e_tunnel_filter_conf *filter); const struct rte_flow_ops i40e_flow_ops = { .validate = i40e_flow_validate, @@ -317,6 +329,14 @@ static enum rte_flow_item_type pattern_mpls_4[] = { RTE_FLOW_ITEM_TYPE_END, }; +/* Pattern matched QINQ */ +static enum rte_flow_item_type pattern_qinq_1[] = { + RTE_FLOW_ITEM_TYPE_ETH, + RTE_FLOW_ITEM_TYPE_VLAN, + RTE_FLOW_ITEM_TYPE_VLAN, + RTE_FLOW_ITEM_TYPE_END, +}; + static struct i40e_valid_pattern i40e_supported_patterns[] = { /* Ethertype */ { pattern_ethertype, i40e_flow_parse_ethertype_filter }, @@ -347,6 +367,8 @@ static struct i40e_valid_pattern i40e_supported_patterns[] = { { pattern_mpls_2, i40e_flow_parse_mpls_filter }, { pattern_mpls_3, i40e_flow_parse_mpls_filter }, { pattern_mpls_4, i40e_flow_parse_mpls_filter }, + /* QINQ */ + { pattern_qinq_1, i40e_flow_parse_qinq_filter }, }; #define NEXT_ITEM_OF_ACTION(act, actions, index) \ @@ -1170,7 +1192,7 @@ i40e_flow_parse_fdir_filter(struct rte_eth_dev *dev, return 0; } -/* Parse to get the action info of a tunnle filter +/* Parse to get the action info of a tunnel filter * Tunnel action only supports PF, VF and QUEUE. */ static int @@ -1718,6 +1740,125 @@ i40e_flow_parse_mpls_filter(struct rte_eth_dev *dev, return ret; } +static int +i40e_flow_parse_qinq_pattern(__rte_unused struct rte_eth_dev *dev, + const struct rte_flow_item *pattern, + struct rte_flow_error *error, + struct i40e_tunnel_filter_conf *filter) +{ + const struct rte_flow_item *item = pattern; + const struct rte_flow_item_eth *eth_spec; + const struct rte_flow_item_eth *eth_mask; + const struct rte_flow_item_vlan *vlan_spec = NULL; + const struct rte_flow_item_vlan *vlan_mask = NULL; + const struct rte_flow_item_vlan *i_vlan_spec = NULL; + const struct rte_flow_item_vlan *i_vlan_mask = NULL; + const struct rte_flow_item_vlan *o_vlan_spec = NULL; + const struct rte_flow_item_vlan *o_vlan_mask = NULL; + + enum rte_flow_item_type item_type; + bool vlan_flag = 0; + + for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) { + if (item->last) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Not support range"); + return -rte_errno; + } + item_type = item->type; + switch (item_type) { + case RTE_FLOW_ITEM_TYPE_ETH: + eth_spec = (const struct rte_flow_item_eth *)item->spec; + eth_mask = (const struct rte_flow_item_eth *)item->mask; + if (eth_spec && eth_mask) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Invalid ether spec/mask"); + return -rte_errno; + } + break; + case RTE_FLOW_ITEM_TYPE_VLAN: + vlan_spec = + (const struct rte_flow_item_vlan *)item->spec; + vlan_mask = + (const struct rte_flow_item_vlan *)item->mask; + + if (!(vlan_spec && vlan_mask)) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Invalid vlan item"); + return -rte_errno; + } + + if (!vlan_flag) { + o_vlan_spec = vlan_spec; + o_vlan_mask = vlan_mask; + vlan_flag = 1; + } else { + i_vlan_spec = vlan_spec; + i_vlan_mask = vlan_mask; + vlan_flag = 0; + } + break; + + default: + break; + } + } + + /* Get filter specification */ + if ((o_vlan_mask->tci == rte_cpu_to_be_16(I40E_TCI_MASK)) && + (i_vlan_mask->tci == rte_cpu_to_be_16(I40E_TCI_MASK))) { + filter->outer_vlan = rte_be_to_cpu_16(o_vlan_spec->tci) + & I40E_TCI_MASK; + filter->inner_vlan = rte_be_to_cpu_16(i_vlan_spec->tci) + & I40E_TCI_MASK; + } else { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + NULL, + "Invalid filter type"); + return -rte_errno; + } + + filter->tunnel_type = I40E_TUNNEL_TYPE_QINQ; + return 0; +} + +static int +i40e_flow_parse_qinq_filter(struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, + const struct rte_flow_item pattern[], + const struct rte_flow_action actions[], + struct rte_flow_error *error, + union i40e_filter_t *filter) +{ + struct i40e_tunnel_filter_conf *tunnel_filter = + &filter->consistent_tunnel_filter; + int ret; + + ret = i40e_flow_parse_qinq_pattern(dev, pattern, + error, tunnel_filter); + if (ret) + return ret; + + ret = i40e_flow_parse_tunnel_action(dev, actions, error, tunnel_filter); + if (ret) + return ret; + + ret = i40e_flow_parse_attr(attr, error); + if (ret) + return ret; + + cons_filter_type = RTE_ETH_FILTER_TUNNEL; + + return ret; +} + static int i40e_flow_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr, -- 2.20.1