[dpdk-dev] [PATCH 12/24] net/i40e: parse macvlan filter
Beilei Xing
beilei.xing at intel.com
Fri Dec 2 12:53:33 CET 2016
Check if the rule is a macvlan rule, and get the macvlan
info BTW.
Signed-off-by: Beilei Xing <beilei.xing at intel.com>
---
drivers/net/i40e/i40e_ethdev.c | 160 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 160 insertions(+)
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index c1623c4..18247c0 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -53,6 +53,7 @@
#include <rte_tailq.h>
#include <rte_hash_crc.h>
#include <rte_flow_driver.h>
+#include <rte_flow.h>
#include "i40e_logs.h"
#include "base/i40e_prototype.h"
@@ -491,6 +492,11 @@ static void i40e_tunnel_filter_restore(struct i40e_pf *pf);
static void i40e_rss_hash_restore(struct i40e_pf *pf);
static void i40e_filter_restore(struct i40e_pf *pf);
+static int i40e_parse_macvlan_filter(const struct rte_flow_attr *attr,
+ const struct rte_flow_item *pattern,
+ const struct rte_flow_action *actions,
+ struct rte_eth_mac_filter *filter,
+ struct rte_flow_error *error);
static int i40e_flow_validate(__rte_unused struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item *pattern,
@@ -10241,6 +10247,154 @@ i40e_filter_restore(struct i40e_pf *pf)
}
static int
+i40e_parse_attr(const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ /* Must be input direction */
+ if (!attr->ingress) {
+ error->type = RTE_FLOW_ERROR_TYPE_ATTR_INGRESS;
+ return -EINVAL;
+ }
+
+ /* Not supported */
+ if (attr->egress) {
+ error->type = RTE_FLOW_ERROR_TYPE_ATTR_EGRESS;
+ return -EINVAL;
+ }
+
+ /* Not supported */
+ if (attr->priority) {
+ error->type = RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY;
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * Parse the rule to see if it is a macvlan rule.
+ * And get the macvlan filter info BTW.
+ */
+static int
+i40e_parse_macvlan_filter(const struct rte_flow_attr *attr,
+ const struct rte_flow_item *pattern,
+ const struct rte_flow_action *actions,
+ struct rte_eth_mac_filter *filter,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *item;
+ const struct rte_flow_action *act;
+ const struct rte_flow_item_eth *eth_spec, *eth_mask;
+ const struct rte_flow_item_vlan *vlan_spec, *vlan_mask;
+ const struct rte_flow_action_vf *act_vf;
+ struct ether_addr macaddr_unmasked = {
+ .addr_bytes = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}
+ };
+ struct ether_addr macaddr_masked = {
+ .addr_bytes = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0}
+ };
+ uint32_t i;
+
+ /* Parse pattern */
+ i = 0;
+
+ /* the first item not void item should be ETH */
+ PATTERN_SKIP_VOID(filter, struct rte_eth_mac_filter,
+ RTE_FLOW_ERROR_TYPE_ITEM_NUM);
+ if (item->type != RTE_FLOW_ITEM_TYPE_ETH) {
+ error->type = RTE_FLOW_ERROR_TYPE_ITEM;
+ return -EINVAL;
+ }
+
+ 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) {
+ error->type = RTE_FLOW_ERROR_TYPE_ITEM;
+ return -EINVAL;
+ }
+
+ /**
+ * SRC MAC address should be masked.
+ * DST MAC address shouldn't be masked.
+ */
+ if (!is_same_ether_addr(ð_mask->src, &macaddr_masked) ||
+ !is_same_ether_addr(ð_mask->dst, &macaddr_unmasked)) {
+ error->type = RTE_FLOW_ERROR_TYPE_ITEM;
+ return -EINVAL;
+ }
+
+ /* Ethertype should be masked. */
+ if (eth_mask->type) {
+ error->type = RTE_FLOW_ERROR_TYPE_ITEM;
+ return -EINVAL;
+ }
+
+ rte_memcpy(&filter->mac_addr, ð_spec->dst, ETHER_ADDR_LEN);
+ filter->filter_type = RTE_MAC_PERFECT_MATCH;
+
+ i++;
+ PATTERN_SKIP_VOID(filter, struct rte_eth_mac_filter,
+ RTE_FLOW_ERROR_TYPE_ITEM_NUM);
+
+ if (item->type == 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)) {
+ error->type = RTE_FLOW_ERROR_TYPE_ITEM;
+ return -EINVAL;
+ }
+
+ /* PRI and CFI should be masked. */
+ if (vlan_mask->tci == rte_cpu_to_be_16(0x0FFF))
+ filter->filter_type = RTE_MACVLAN_PERFECT_MATCH;
+ else if (vlan_mask->tci == 0x0)
+ filter->filter_type = RTE_MAC_PERFECT_MATCH;
+ else {
+ error->type = RTE_FLOW_ERROR_TYPE_ITEM;
+ return -EINVAL;
+ }
+
+ i++;
+ PATTERN_SKIP_VOID(filter, struct rte_eth_mac_filter,
+ RTE_FLOW_ERROR_TYPE_ITEM_NUM);
+ }
+
+ /* Check if the next not void item is END. */
+ if (item->type != RTE_FLOW_ITEM_TYPE_END) {
+ error->type = RTE_FLOW_ERROR_TYPE_ITEM;
+ return -EINVAL;
+ }
+
+ /* Parse action */
+ i = 0;
+
+ /* Check if the next not void item is VF. */
+ ACTION_SKIP_VOID(filter, struct rte_eth_mac_filter,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM);
+ if (act->type != RTE_FLOW_ACTION_TYPE_VF) {
+ error->type = RTE_FLOW_ERROR_TYPE_ACTION;
+ return -EINVAL;
+ }
+
+ filter->is_vf = 1;
+
+ act_vf = (const struct rte_flow_action_vf *)act->conf;
+ filter->dst_id = act_vf->id;
+
+ /* Check if the next not void item is END. */
+ i++;
+ ACTION_SKIP_VOID(filter, struct rte_eth_mac_filter,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ error->type = RTE_FLOW_ERROR_TYPE_ACTION;
+ return -EINVAL;
+ }
+
+ return i40e_parse_attr(attr, error);
+}
+
+static int
i40e_flow_validate(__rte_unused struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item *pattern,
@@ -10248,6 +10402,7 @@ i40e_flow_validate(__rte_unused struct rte_eth_dev *dev,
struct rte_flow_error *error)
{
struct rte_eth_ethertype_filter ethertype_filter;
+ struct rte_eth_mac_filter macvlan_filter;
int ret;
ret = cons_parse_ethertype_filter(attr, pattern, actions,
@@ -10255,5 +10410,10 @@ i40e_flow_validate(__rte_unused struct rte_eth_dev *dev,
if (!ret)
return 0;
+ ret = i40e_parse_macvlan_filter(attr, pattern, actions,
+ &macvlan_filter, error);
+ if (!ret)
+ return 0;
+
return ret;
}
--
2.5.5
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