/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2015-2020
+ * Copyright(c) 2015-2020 Beijing WangXun Technology Co., Ltd.
+ * Copyright(c) 2010-2017 Intel Corporation
*/
#include <sys/queue.h>
+#include <rte_bus_pci.h>
+#include <rte_malloc.h>
#include <rte_flow.h>
#include <rte_flow_driver.h>
#define TXGBE_MIN_N_TUPLE_PRIO 1
#define TXGBE_MAX_N_TUPLE_PRIO 7
+#define TXGBE_MAX_FLX_SOURCE_OFF 62
+
+/* ntuple filter list structure */
+struct txgbe_ntuple_filter_ele {
+ TAILQ_ENTRY(txgbe_ntuple_filter_ele) entries;
+ struct rte_eth_ntuple_filter filter_info;
+};
+/* ethertype filter list structure */
+struct txgbe_ethertype_filter_ele {
+ TAILQ_ENTRY(txgbe_ethertype_filter_ele) entries;
+ struct rte_eth_ethertype_filter filter_info;
+};
+/* syn filter list structure */
+struct txgbe_eth_syn_filter_ele {
+ TAILQ_ENTRY(txgbe_eth_syn_filter_ele) entries;
+ struct rte_eth_syn_filter filter_info;
+};
+/* fdir filter list structure */
+struct txgbe_fdir_rule_ele {
+ TAILQ_ENTRY(txgbe_fdir_rule_ele) entries;
+ struct txgbe_fdir_rule filter_info;
+};
+/* l2_tunnel filter list structure */
+struct txgbe_eth_l2_tunnel_conf_ele {
+ TAILQ_ENTRY(txgbe_eth_l2_tunnel_conf_ele) entries;
+ struct txgbe_l2_tunnel_conf filter_info;
+};
+/* rss filter list structure */
+struct txgbe_rss_conf_ele {
+ TAILQ_ENTRY(txgbe_rss_conf_ele) entries;
+ struct txgbe_rte_flow_rss_conf filter_info;
+};
+/* txgbe_flow memory list structure */
+struct txgbe_flow_mem {
+ TAILQ_ENTRY(txgbe_flow_mem) entries;
+ struct rte_flow *flow;
+};
+
+TAILQ_HEAD(txgbe_ntuple_filter_list, txgbe_ntuple_filter_ele);
+TAILQ_HEAD(txgbe_ethertype_filter_list, txgbe_ethertype_filter_ele);
+TAILQ_HEAD(txgbe_syn_filter_list, txgbe_eth_syn_filter_ele);
+TAILQ_HEAD(txgbe_fdir_rule_filter_list, txgbe_fdir_rule_ele);
+TAILQ_HEAD(txgbe_l2_tunnel_filter_list, txgbe_eth_l2_tunnel_conf_ele);
+TAILQ_HEAD(txgbe_rss_filter_list, txgbe_rss_conf_ele);
+TAILQ_HEAD(txgbe_flow_mem_list, txgbe_flow_mem);
+
+static struct txgbe_ntuple_filter_list filter_ntuple_list;
+static struct txgbe_ethertype_filter_list filter_ethertype_list;
+static struct txgbe_syn_filter_list filter_syn_list;
+static struct txgbe_fdir_rule_filter_list filter_fdir_list;
+static struct txgbe_l2_tunnel_filter_list filter_l2_tunnel_list;
+static struct txgbe_rss_filter_list filter_rss_list;
+static struct txgbe_flow_mem_list txgbe_flow_list;
/**
* Endless loop will never happen with below assumption
* END
* other members in mask and spec should set to 0x00.
* item->last should be NULL.
+ *
+ * Special case for flow action type RTE_FLOW_ACTION_TYPE_SECURITY.
+ *
*/
static int
cons_parse_ntuple_filter(const struct rte_flow_attr *attr,
memset(ð_null, 0, sizeof(struct rte_flow_item_eth));
memset(&vlan_null, 0, sizeof(struct rte_flow_item_vlan));
+#ifdef RTE_LIB_SECURITY
+ /**
+ * Special case for flow action type RTE_FLOW_ACTION_TYPE_SECURITY
+ */
+ act = next_no_void_action(actions, NULL);
+ if (act->type == RTE_FLOW_ACTION_TYPE_SECURITY) {
+ const void *conf = act->conf;
+ /* check if the next not void item is END */
+ act = next_no_void_action(actions, act);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ /* get the IP pattern*/
+ item = next_no_void_pattern(pattern, NULL);
+ while (item->type != RTE_FLOW_ITEM_TYPE_IPV4 &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV6) {
+ if (item->last ||
+ item->type == RTE_FLOW_ITEM_TYPE_END) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "IP pattern missing.");
+ return -rte_errno;
+ }
+ item = next_no_void_pattern(pattern, item);
+ }
+
+ filter->proto = IPPROTO_ESP;
+ return txgbe_crypto_add_ingress_sa_from_flow(conf, item->spec,
+ item->type == RTE_FLOW_ITEM_TYPE_IPV6);
+ }
+#endif
+
/* the first not void item can be MAC or IPv4 */
item = next_no_void_pattern(pattern, NULL);
return -rte_errno;
}
/* if the first item is MAC, the content should be NULL */
- if ((item->spec || item->mask) &&
- (memcmp(eth_spec, ð_null,
- sizeof(struct rte_flow_item_eth)) ||
- memcmp(eth_mask, ð_null,
- sizeof(struct rte_flow_item_eth)))) {
+ if ((item->spec && memcmp(eth_spec, ð_null,
+ sizeof(struct rte_flow_item_eth))) ||
+ (item->mask && memcmp(eth_mask, ð_null,
+ sizeof(struct rte_flow_item_eth)))) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item, "Not supported by ntuple filter");
return -rte_errno;
}
/* the content should be NULL */
- if ((item->spec || item->mask) &&
- (memcmp(vlan_spec, &vlan_null,
- sizeof(struct rte_flow_item_vlan)) ||
- memcmp(vlan_mask, &vlan_null,
- sizeof(struct rte_flow_item_vlan)))) {
+ if ((item->spec && memcmp(vlan_spec, &vlan_null,
+ sizeof(struct rte_flow_item_vlan))) ||
+ (item->mask && memcmp(vlan_mask, &vlan_null,
+ sizeof(struct rte_flow_item_vlan)))) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item, "Not supported by ntuple filter");
memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
- item, "Not supported action.");
+ act, "Not supported action.");
return -rte_errno;
}
filter->queue =
if (ret)
return ret;
+#ifdef RTE_LIB_SECURITY
+ /* ESP flow not really a flow */
+ if (filter->proto == IPPROTO_ESP)
+ return 0;
+#endif
+
/* txgbe doesn't support tcp flags */
if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG) {
memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
}
/**
- * Create or destroy a flow rule.
- * Theorically one rule can match more than one filters.
- * We will let it use the filter which it hitt first.
- * So, the sequence matters.
- */
-static struct rte_flow *
-txgbe_flow_create(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)
-{
- struct rte_flow *flow = NULL;
- return flow;
-}
-
-/**
- * Check if the flow rule is supported by txgbe.
- * It only checks the format. Don't guarantee the rule can be programmed into
- * the HW. Because there can be no enough room for the rule.
+ * Parse the rule to see if it is a L2 tunnel rule.
+ * And get the L2 tunnel filter info BTW.
+ * Only support E-tag now.
+ * pattern:
+ * The first not void item can be E_TAG.
+ * The next not void item must be END.
+ * action:
+ * The first not void action should be VF or PF.
+ * The next not void action should be END.
+ * pattern example:
+ * ITEM Spec Mask
+ * E_TAG grp 0x1 0x3
+ e_cid_base 0x309 0xFFF
+ * END
+ * other members in mask and spec should set to 0x00.
+ * item->last should be NULL.
*/
static int
-txgbe_flow_validate(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)
+cons_parse_l2_tn_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 txgbe_l2_tunnel_conf *filter,
+ struct rte_flow_error *error)
{
- struct rte_eth_ntuple_filter ntuple_filter;
- struct rte_eth_ethertype_filter ethertype_filter;
- struct rte_eth_syn_filter syn_filter;
- int ret = 0;
+ const struct rte_flow_item *item;
+ const struct rte_flow_item_e_tag *e_tag_spec;
+ const struct rte_flow_item_e_tag *e_tag_mask;
+ const struct rte_flow_action *act;
+ const struct rte_flow_action_vf *act_vf;
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
- memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter));
- ret = txgbe_parse_ntuple_filter(dev, attr, pattern,
- actions, &ntuple_filter, error);
- if (!ret)
- return 0;
+ if (!pattern) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM_NUM,
+ NULL, "NULL pattern.");
+ return -rte_errno;
+ }
- memset(ðertype_filter, 0, sizeof(struct rte_eth_ethertype_filter));
- ret = txgbe_parse_ethertype_filter(dev, attr, pattern,
- actions, ðertype_filter, error);
- if (!ret)
- return 0;
+ if (!actions) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM,
+ NULL, "NULL action.");
+ return -rte_errno;
+ }
- memset(&syn_filter, 0, sizeof(struct rte_eth_syn_filter));
- ret = txgbe_parse_syn_filter(dev, attr, pattern,
- actions, &syn_filter, error);
- if (!ret)
- return 0;
+ if (!attr) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR,
+ NULL, "NULL attribute.");
+ return -rte_errno;
+ }
- return ret;
+ /* The first not void item should be e-tag. */
+ item = next_no_void_pattern(pattern, NULL);
+ if (item->type != RTE_FLOW_ITEM_TYPE_E_TAG) {
+ memset(filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by L2 tunnel filter");
+ return -rte_errno;
+ }
+
+ if (!item->spec || !item->mask) {
+ memset(filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by L2 tunnel filter");
+ return -rte_errno;
+ }
+
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ e_tag_spec = item->spec;
+ e_tag_mask = item->mask;
+
+ /* Only care about GRP and E cid base. */
+ if (e_tag_mask->epcp_edei_in_ecid_b ||
+ e_tag_mask->in_ecid_e ||
+ e_tag_mask->ecid_e ||
+ e_tag_mask->rsvd_grp_ecid_b != rte_cpu_to_be_16(0x3FFF)) {
+ memset(filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by L2 tunnel filter");
+ return -rte_errno;
+ }
+
+ filter->l2_tunnel_type = RTE_ETH_L2_TUNNEL_TYPE_E_TAG;
+ /**
+ * grp and e_cid_base are bit fields and only use 14 bits.
+ * e-tag id is taken as little endian by HW.
+ */
+ filter->tunnel_id = rte_be_to_cpu_16(e_tag_spec->rsvd_grp_ecid_b);
+
+ /* check if the next not void item is END */
+ item = next_no_void_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_END) {
+ memset(filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by L2 tunnel filter");
+ return -rte_errno;
+ }
+
+ /* parse attr */
+ /* must be input direction */
+ if (!attr->ingress) {
+ memset(filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ attr, "Only support ingress.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->egress) {
+ memset(filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ attr, "Not support egress.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->transfer) {
+ memset(filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
+ attr, "No support for transfer.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->priority) {
+ memset(filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+ attr, "Not support priority.");
+ return -rte_errno;
+ }
+
+ /* check if the first not void action is VF or PF. */
+ act = next_no_void_action(actions, NULL);
+ if (act->type != RTE_FLOW_ACTION_TYPE_VF &&
+ act->type != RTE_FLOW_ACTION_TYPE_PF) {
+ memset(filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ if (act->type == RTE_FLOW_ACTION_TYPE_VF) {
+ act_vf = (const struct rte_flow_action_vf *)act->conf;
+ filter->pool = act_vf->id;
+ } else {
+ filter->pool = pci_dev->max_vfs;
+ }
+
+ /* check if the next not void item is END */
+ act = next_no_void_action(actions, act);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ memset(filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ return 0;
}
-/* Destroy a flow rule on txgbe. */
static int
-txgbe_flow_destroy(struct rte_eth_dev *dev,
- struct rte_flow *flow,
- struct rte_flow_error *error)
+txgbe_parse_l2_tn_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 txgbe_l2_tunnel_conf *l2_tn_filter,
+ struct rte_flow_error *error)
{
int ret = 0;
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ uint16_t vf_num;
+
+ ret = cons_parse_l2_tn_filter(dev, attr, pattern,
+ actions, l2_tn_filter, error);
+
+ vf_num = pci_dev->max_vfs;
+
+ if (l2_tn_filter->pool > vf_num)
+ return -rte_errno;
return ret;
}
-/* Destroy all flow rules associated with a port on txgbe. */
+/* Parse to get the attr and action info of flow director rule. */
static int
-txgbe_flow_flush(struct rte_eth_dev *dev,
- struct rte_flow_error *error)
+txgbe_parse_fdir_act_attr(const struct rte_flow_attr *attr,
+ const struct rte_flow_action actions[],
+ struct txgbe_fdir_rule *rule,
+ struct rte_flow_error *error)
{
- int ret = 0;
+ const struct rte_flow_action *act;
+ const struct rte_flow_action_queue *act_q;
+ const struct rte_flow_action_mark *mark;
- return ret;
+ /* parse attr */
+ /* must be input direction */
+ if (!attr->ingress) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ attr, "Only support ingress.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->egress) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ attr, "Not support egress.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->transfer) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
+ attr, "No support for transfer.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->priority) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+ attr, "Not support priority.");
+ return -rte_errno;
+ }
+
+ /* check if the first not void action is QUEUE or DROP. */
+ act = next_no_void_action(actions, NULL);
+ if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE &&
+ act->type != RTE_FLOW_ACTION_TYPE_DROP) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ if (act->type == RTE_FLOW_ACTION_TYPE_QUEUE) {
+ act_q = (const struct rte_flow_action_queue *)act->conf;
+ rule->queue = act_q->index;
+ } else { /* drop */
+ /* signature mode does not support drop action. */
+ if (rule->mode == RTE_FDIR_MODE_SIGNATURE) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+ rule->fdirflags = TXGBE_FDIRPICMD_DROP;
+ }
+
+ /* check if the next not void item is MARK */
+ act = next_no_void_action(actions, act);
+ if (act->type != RTE_FLOW_ACTION_TYPE_MARK &&
+ act->type != RTE_FLOW_ACTION_TYPE_END) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ rule->soft_id = 0;
+
+ if (act->type == RTE_FLOW_ACTION_TYPE_MARK) {
+ mark = (const struct rte_flow_action_mark *)act->conf;
+ rule->soft_id = mark->id;
+ act = next_no_void_action(actions, act);
+ }
+
+ /* check if the next not void item is END */
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ return 0;
+}
+
+/* search next no void pattern and skip fuzzy */
+static inline
+const struct rte_flow_item *next_no_fuzzy_pattern(
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_item *cur)
+{
+ const struct rte_flow_item *next =
+ next_no_void_pattern(pattern, cur);
+ while (1) {
+ if (next->type != RTE_FLOW_ITEM_TYPE_FUZZY)
+ return next;
+ next = next_no_void_pattern(pattern, next);
+ }
+}
+
+static inline uint8_t signature_match(const struct rte_flow_item pattern[])
+{
+ const struct rte_flow_item_fuzzy *spec, *last, *mask;
+ const struct rte_flow_item *item;
+ uint32_t sh, lh, mh;
+ int i = 0;
+
+ while (1) {
+ item = pattern + i;
+ if (item->type == RTE_FLOW_ITEM_TYPE_END)
+ break;
+
+ if (item->type == RTE_FLOW_ITEM_TYPE_FUZZY) {
+ spec = item->spec;
+ last = item->last;
+ mask = item->mask;
+
+ if (!spec || !mask)
+ return 0;
+
+ sh = spec->thresh;
+
+ if (!last)
+ lh = sh;
+ else
+ lh = last->thresh;
+
+ mh = mask->thresh;
+ sh = sh & mh;
+ lh = lh & mh;
+
+ if (!sh || sh > lh)
+ return 0;
+
+ return 1;
+ }
+
+ i++;
+ }
+
+ return 0;
+}
+
+/**
+ * Parse the rule to see if it is a IP or MAC VLAN flow director rule.
+ * And get the flow director filter info BTW.
+ * UDP/TCP/SCTP PATTERN:
+ * The first not void item can be ETH or IPV4 or IPV6
+ * The second not void item must be IPV4 or IPV6 if the first one is ETH.
+ * The next not void item could be UDP or TCP or SCTP (optional)
+ * The next not void item could be RAW (for flexbyte, optional)
+ * The next not void item must be END.
+ * A Fuzzy Match pattern can appear at any place before END.
+ * Fuzzy Match is optional for IPV4 but is required for IPV6
+ * MAC VLAN PATTERN:
+ * The first not void item must be ETH.
+ * The second not void item must be MAC VLAN.
+ * The next not void item must be END.
+ * ACTION:
+ * The first not void action should be QUEUE or DROP.
+ * The second not void optional action should be MARK,
+ * mark_id is a uint32_t number.
+ * The next not void action should be END.
+ * UDP/TCP/SCTP pattern example:
+ * ITEM Spec Mask
+ * ETH NULL NULL
+ * IPV4 src_addr 192.168.1.20 0xFFFFFFFF
+ * dst_addr 192.167.3.50 0xFFFFFFFF
+ * UDP/TCP/SCTP src_port 80 0xFFFF
+ * dst_port 80 0xFFFF
+ * FLEX relative 0 0x1
+ * search 0 0x1
+ * reserved 0 0
+ * offset 12 0xFFFFFFFF
+ * limit 0 0xFFFF
+ * length 2 0xFFFF
+ * pattern[0] 0x86 0xFF
+ * pattern[1] 0xDD 0xFF
+ * END
+ * MAC VLAN pattern example:
+ * ITEM Spec Mask
+ * ETH dst_addr
+ {0xAC, 0x7B, 0xA1, {0xFF, 0xFF, 0xFF,
+ 0x2C, 0x6D, 0x36} 0xFF, 0xFF, 0xFF}
+ * MAC VLAN tci 0x2016 0xEFFF
+ * END
+ * Other members in mask and spec should set to 0x00.
+ * Item->last should be NULL.
+ */
+static int
+txgbe_parse_fdir_filter_normal(struct rte_eth_dev *dev __rte_unused,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct txgbe_fdir_rule *rule,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *item;
+ const struct rte_flow_item_eth *eth_mask;
+ const struct rte_flow_item_ipv4 *ipv4_spec;
+ const struct rte_flow_item_ipv4 *ipv4_mask;
+ const struct rte_flow_item_ipv6 *ipv6_spec;
+ const struct rte_flow_item_ipv6 *ipv6_mask;
+ const struct rte_flow_item_tcp *tcp_spec;
+ const struct rte_flow_item_tcp *tcp_mask;
+ const struct rte_flow_item_udp *udp_spec;
+ const struct rte_flow_item_udp *udp_mask;
+ const struct rte_flow_item_sctp *sctp_spec;
+ const struct rte_flow_item_sctp *sctp_mask;
+ const struct rte_flow_item_raw *raw_mask;
+ const struct rte_flow_item_raw *raw_spec;
+ u32 ptype = 0;
+ uint8_t j;
+
+ if (!pattern) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM_NUM,
+ NULL, "NULL pattern.");
+ return -rte_errno;
+ }
+
+ if (!actions) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM,
+ NULL, "NULL action.");
+ return -rte_errno;
+ }
+
+ if (!attr) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR,
+ NULL, "NULL attribute.");
+ return -rte_errno;
+ }
+
+ /**
+ * Some fields may not be provided. Set spec to 0 and mask to default
+ * value. So, we need not do anything for the not provided fields later.
+ */
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ memset(&rule->mask, 0xFF, sizeof(struct txgbe_hw_fdir_mask));
+ rule->mask.vlan_tci_mask = 0;
+ rule->mask.flex_bytes_mask = 0;
+
+ /**
+ * The first not void item should be
+ * MAC or IPv4 or TCP or UDP or SCTP.
+ */
+ item = next_no_fuzzy_pattern(pattern, NULL);
+ if (item->type != RTE_FLOW_ITEM_TYPE_ETH &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV4 &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV6 &&
+ item->type != RTE_FLOW_ITEM_TYPE_TCP &&
+ item->type != RTE_FLOW_ITEM_TYPE_UDP &&
+ item->type != RTE_FLOW_ITEM_TYPE_SCTP) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ if (signature_match(pattern))
+ rule->mode = RTE_FDIR_MODE_SIGNATURE;
+ else
+ rule->mode = RTE_FDIR_MODE_PERFECT;
+
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ /* Get the MAC info. */
+ if (item->type == RTE_FLOW_ITEM_TYPE_ETH) {
+ /**
+ * Only support vlan and dst MAC address,
+ * others should be masked.
+ */
+ if (item->spec && !item->mask) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ if (item->mask) {
+ rule->b_mask = TRUE;
+ eth_mask = item->mask;
+
+ /* Ether type should be masked. */
+ if (eth_mask->type ||
+ rule->mode == RTE_FDIR_MODE_SIGNATURE) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ /* If ethernet has meaning, it means MAC VLAN mode. */
+ rule->mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
+
+ /**
+ * src MAC address must be masked,
+ * and don't support dst MAC address mask.
+ */
+ for (j = 0; j < RTE_ETHER_ADDR_LEN; j++) {
+ if (eth_mask->src.addr_bytes[j] ||
+ eth_mask->dst.addr_bytes[j] != 0xFF) {
+ memset(rule, 0,
+ sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* When no VLAN, considered as full mask. */
+ rule->mask.vlan_tci_mask = rte_cpu_to_be_16(0xEFFF);
+ }
+ /*** If both spec and mask are item,
+ * it means don't care about ETH.
+ * Do nothing.
+ */
+
+ /**
+ * Check if the next not void item is vlan or ipv4.
+ * IPv6 is not supported.
+ */
+ item = next_no_fuzzy_pattern(pattern, item);
+ if (rule->mode == RTE_FDIR_MODE_PERFECT_MAC_VLAN) {
+ if (item->type != RTE_FLOW_ITEM_TYPE_VLAN) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ } else {
+ if (item->type != RTE_FLOW_ITEM_TYPE_IPV4 &&
+ item->type != RTE_FLOW_ITEM_TYPE_VLAN) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+ }
+
+ /* Get the IPV4 info. */
+ if (item->type == RTE_FLOW_ITEM_TYPE_IPV4) {
+ /**
+ * Set the flow type even if there's no content
+ * as we must have a flow type.
+ */
+ rule->input.flow_type = TXGBE_ATR_FLOW_TYPE_IPV4;
+ ptype = txgbe_ptype_table[TXGBE_PT_IPV4];
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+ /**
+ * Only care about src & dst addresses,
+ * others should be masked.
+ */
+ if (!item->mask) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ rule->b_mask = TRUE;
+ ipv4_mask = item->mask;
+ if (ipv4_mask->hdr.version_ihl ||
+ ipv4_mask->hdr.type_of_service ||
+ ipv4_mask->hdr.total_length ||
+ ipv4_mask->hdr.packet_id ||
+ ipv4_mask->hdr.fragment_offset ||
+ ipv4_mask->hdr.time_to_live ||
+ ipv4_mask->hdr.next_proto_id ||
+ ipv4_mask->hdr.hdr_checksum) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ rule->mask.dst_ipv4_mask = ipv4_mask->hdr.dst_addr;
+ rule->mask.src_ipv4_mask = ipv4_mask->hdr.src_addr;
+
+ if (item->spec) {
+ rule->b_spec = TRUE;
+ ipv4_spec = item->spec;
+ rule->input.dst_ip[0] =
+ ipv4_spec->hdr.dst_addr;
+ rule->input.src_ip[0] =
+ ipv4_spec->hdr.src_addr;
+ }
+
+ /**
+ * Check if the next not void item is
+ * TCP or UDP or SCTP or END.
+ */
+ item = next_no_fuzzy_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_TCP &&
+ item->type != RTE_FLOW_ITEM_TYPE_UDP &&
+ item->type != RTE_FLOW_ITEM_TYPE_SCTP &&
+ item->type != RTE_FLOW_ITEM_TYPE_END &&
+ item->type != RTE_FLOW_ITEM_TYPE_RAW) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* Get the IPV6 info. */
+ if (item->type == RTE_FLOW_ITEM_TYPE_IPV6) {
+ /**
+ * Set the flow type even if there's no content
+ * as we must have a flow type.
+ */
+ rule->input.flow_type = TXGBE_ATR_FLOW_TYPE_IPV6;
+ ptype = txgbe_ptype_table[TXGBE_PT_IPV6];
+
+ /**
+ * 1. must signature match
+ * 2. not support last
+ * 3. mask must not null
+ */
+ if (rule->mode != RTE_FDIR_MODE_SIGNATURE ||
+ item->last ||
+ !item->mask) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ rule->b_mask = TRUE;
+ ipv6_mask = item->mask;
+ if (ipv6_mask->hdr.vtc_flow ||
+ ipv6_mask->hdr.payload_len ||
+ ipv6_mask->hdr.proto ||
+ ipv6_mask->hdr.hop_limits) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ /* check src addr mask */
+ for (j = 0; j < 16; j++) {
+ if (ipv6_mask->hdr.src_addr[j] == UINT8_MAX) {
+ rule->mask.src_ipv6_mask |= 1 << j;
+ } else if (ipv6_mask->hdr.src_addr[j] != 0) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* check dst addr mask */
+ for (j = 0; j < 16; j++) {
+ if (ipv6_mask->hdr.dst_addr[j] == UINT8_MAX) {
+ rule->mask.dst_ipv6_mask |= 1 << j;
+ } else if (ipv6_mask->hdr.dst_addr[j] != 0) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ if (item->spec) {
+ rule->b_spec = TRUE;
+ ipv6_spec = item->spec;
+ rte_memcpy(rule->input.src_ip,
+ ipv6_spec->hdr.src_addr, 16);
+ rte_memcpy(rule->input.dst_ip,
+ ipv6_spec->hdr.dst_addr, 16);
+ }
+
+ /**
+ * Check if the next not void item is
+ * TCP or UDP or SCTP or END.
+ */
+ item = next_no_fuzzy_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_TCP &&
+ item->type != RTE_FLOW_ITEM_TYPE_UDP &&
+ item->type != RTE_FLOW_ITEM_TYPE_SCTP &&
+ item->type != RTE_FLOW_ITEM_TYPE_END &&
+ item->type != RTE_FLOW_ITEM_TYPE_RAW) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* Get the TCP info. */
+ if (item->type == RTE_FLOW_ITEM_TYPE_TCP) {
+ /**
+ * Set the flow type even if there's no content
+ * as we must have a flow type.
+ */
+ rule->input.flow_type |= TXGBE_ATR_L4TYPE_TCP;
+ ptype = txgbe_ptype_table[TXGBE_PT_IPV4_TCP];
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+ /**
+ * Only care about src & dst ports,
+ * others should be masked.
+ */
+ if (!item->mask) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ rule->b_mask = TRUE;
+ tcp_mask = item->mask;
+ if (tcp_mask->hdr.sent_seq ||
+ tcp_mask->hdr.recv_ack ||
+ tcp_mask->hdr.data_off ||
+ tcp_mask->hdr.tcp_flags ||
+ tcp_mask->hdr.rx_win ||
+ tcp_mask->hdr.cksum ||
+ tcp_mask->hdr.tcp_urp) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ rule->mask.src_port_mask = tcp_mask->hdr.src_port;
+ rule->mask.dst_port_mask = tcp_mask->hdr.dst_port;
+
+ if (item->spec) {
+ rule->b_spec = TRUE;
+ tcp_spec = item->spec;
+ rule->input.src_port =
+ tcp_spec->hdr.src_port;
+ rule->input.dst_port =
+ tcp_spec->hdr.dst_port;
+ }
+
+ item = next_no_fuzzy_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
+ item->type != RTE_FLOW_ITEM_TYPE_END) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* Get the UDP info */
+ if (item->type == RTE_FLOW_ITEM_TYPE_UDP) {
+ /**
+ * Set the flow type even if there's no content
+ * as we must have a flow type.
+ */
+ rule->input.flow_type |= TXGBE_ATR_L4TYPE_UDP;
+ ptype = txgbe_ptype_table[TXGBE_PT_IPV4_UDP];
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+ /**
+ * Only care about src & dst ports,
+ * others should be masked.
+ */
+ if (!item->mask) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ rule->b_mask = TRUE;
+ udp_mask = item->mask;
+ if (udp_mask->hdr.dgram_len ||
+ udp_mask->hdr.dgram_cksum) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ rule->mask.src_port_mask = udp_mask->hdr.src_port;
+ rule->mask.dst_port_mask = udp_mask->hdr.dst_port;
+
+ if (item->spec) {
+ rule->b_spec = TRUE;
+ udp_spec = item->spec;
+ rule->input.src_port =
+ udp_spec->hdr.src_port;
+ rule->input.dst_port =
+ udp_spec->hdr.dst_port;
+ }
+
+ item = next_no_fuzzy_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
+ item->type != RTE_FLOW_ITEM_TYPE_END) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* Get the SCTP info */
+ if (item->type == RTE_FLOW_ITEM_TYPE_SCTP) {
+ /**
+ * Set the flow type even if there's no content
+ * as we must have a flow type.
+ */
+ rule->input.flow_type |= TXGBE_ATR_L4TYPE_SCTP;
+ ptype = txgbe_ptype_table[TXGBE_PT_IPV4_SCTP];
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ /**
+ * Only care about src & dst ports,
+ * others should be masked.
+ */
+ if (!item->mask) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ rule->b_mask = TRUE;
+ sctp_mask = item->mask;
+ if (sctp_mask->hdr.tag ||
+ sctp_mask->hdr.cksum) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ rule->mask.src_port_mask = sctp_mask->hdr.src_port;
+ rule->mask.dst_port_mask = sctp_mask->hdr.dst_port;
+
+ if (item->spec) {
+ rule->b_spec = TRUE;
+ sctp_spec = item->spec;
+ rule->input.src_port =
+ sctp_spec->hdr.src_port;
+ rule->input.dst_port =
+ sctp_spec->hdr.dst_port;
+ }
+ /* others even sctp port is not supported */
+ sctp_mask = item->mask;
+ if (sctp_mask &&
+ (sctp_mask->hdr.src_port ||
+ sctp_mask->hdr.dst_port ||
+ sctp_mask->hdr.tag ||
+ sctp_mask->hdr.cksum)) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ item = next_no_fuzzy_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
+ item->type != RTE_FLOW_ITEM_TYPE_END) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* Get the flex byte info */
+ if (item->type == RTE_FLOW_ITEM_TYPE_RAW) {
+ /* Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+ /* mask should not be null */
+ if (!item->mask || !item->spec) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ raw_mask = item->mask;
+
+ /* check mask */
+ if (raw_mask->relative != 0x1 ||
+ raw_mask->search != 0x1 ||
+ raw_mask->reserved != 0x0 ||
+ (uint32_t)raw_mask->offset != 0xffffffff ||
+ raw_mask->limit != 0xffff ||
+ raw_mask->length != 0xffff) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ raw_spec = item->spec;
+
+ /* check spec */
+ if (raw_spec->relative != 0 ||
+ raw_spec->search != 0 ||
+ raw_spec->reserved != 0 ||
+ raw_spec->offset > TXGBE_MAX_FLX_SOURCE_OFF ||
+ raw_spec->offset % 2 ||
+ raw_spec->limit != 0 ||
+ raw_spec->length != 2 ||
+ /* pattern can't be 0xffff */
+ (raw_spec->pattern[0] == 0xff &&
+ raw_spec->pattern[1] == 0xff)) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ /* check pattern mask */
+ if (raw_mask->pattern[0] != 0xff ||
+ raw_mask->pattern[1] != 0xff) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ rule->mask.flex_bytes_mask = 0xffff;
+ rule->input.flex_bytes =
+ (((uint16_t)raw_spec->pattern[1]) << 8) |
+ raw_spec->pattern[0];
+ rule->flex_bytes_offset = raw_spec->offset;
+ }
+
+ if (item->type != RTE_FLOW_ITEM_TYPE_END) {
+ /* check if the next not void item is END */
+ item = next_no_fuzzy_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_END) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ rule->input.pkt_type = cpu_to_be16(txgbe_encode_ptype(ptype));
+
+ return txgbe_parse_fdir_act_attr(attr, actions, rule, error);
+}
+
+/**
+ * Parse the rule to see if it is a VxLAN or NVGRE flow director rule.
+ * And get the flow director filter info BTW.
+ * VxLAN PATTERN:
+ * The first not void item must be ETH.
+ * The second not void item must be IPV4/ IPV6.
+ * The third not void item must be NVGRE.
+ * The next not void item must be END.
+ * NVGRE PATTERN:
+ * The first not void item must be ETH.
+ * The second not void item must be IPV4/ IPV6.
+ * The third not void item must be NVGRE.
+ * The next not void item must be END.
+ * ACTION:
+ * The first not void action should be QUEUE or DROP.
+ * The second not void optional action should be MARK,
+ * mark_id is a uint32_t number.
+ * The next not void action should be END.
+ * VxLAN pattern example:
+ * ITEM Spec Mask
+ * ETH NULL NULL
+ * IPV4/IPV6 NULL NULL
+ * UDP NULL NULL
+ * VxLAN vni{0x00, 0x32, 0x54} {0xFF, 0xFF, 0xFF}
+ * MAC VLAN tci 0x2016 0xEFFF
+ * END
+ * NEGRV pattern example:
+ * ITEM Spec Mask
+ * ETH NULL NULL
+ * IPV4/IPV6 NULL NULL
+ * NVGRE protocol 0x6558 0xFFFF
+ * tni{0x00, 0x32, 0x54} {0xFF, 0xFF, 0xFF}
+ * MAC VLAN tci 0x2016 0xEFFF
+ * END
+ * other members in mask and spec should set to 0x00.
+ * item->last should be NULL.
+ */
+static int
+txgbe_parse_fdir_filter_tunnel(const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct txgbe_fdir_rule *rule,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *item;
+ const struct rte_flow_item_eth *eth_mask;
+ uint32_t j;
+
+ if (!pattern) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM_NUM,
+ NULL, "NULL pattern.");
+ return -rte_errno;
+ }
+
+ if (!actions) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM,
+ NULL, "NULL action.");
+ return -rte_errno;
+ }
+
+ if (!attr) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR,
+ NULL, "NULL attribute.");
+ return -rte_errno;
+ }
+
+ /**
+ * Some fields may not be provided. Set spec to 0 and mask to default
+ * value. So, we need not do anything for the not provided fields later.
+ */
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ memset(&rule->mask, 0xFF, sizeof(struct txgbe_hw_fdir_mask));
+ rule->mask.vlan_tci_mask = 0;
+
+ /**
+ * The first not void item should be
+ * MAC or IPv4 or IPv6 or UDP or VxLAN.
+ */
+ item = next_no_void_pattern(pattern, NULL);
+ if (item->type != RTE_FLOW_ITEM_TYPE_ETH &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV4 &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV6 &&
+ item->type != RTE_FLOW_ITEM_TYPE_UDP &&
+ item->type != RTE_FLOW_ITEM_TYPE_VXLAN &&
+ item->type != RTE_FLOW_ITEM_TYPE_NVGRE) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ rule->mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
+
+ /* Skip MAC. */
+ if (item->type == RTE_FLOW_ITEM_TYPE_ETH) {
+ /* Only used to describe the protocol stack. */
+ if (item->spec || item->mask) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ /* Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ /* Check if the next not void item is IPv4 or IPv6. */
+ item = next_no_void_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_IPV4 &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV6) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* Skip IP. */
+ if (item->type == RTE_FLOW_ITEM_TYPE_IPV4 ||
+ item->type == RTE_FLOW_ITEM_TYPE_IPV6) {
+ /* Only used to describe the protocol stack. */
+ if (item->spec || item->mask) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ /* Check if the next not void item is UDP or NVGRE. */
+ item = next_no_void_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_UDP &&
+ item->type != RTE_FLOW_ITEM_TYPE_NVGRE) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* Skip UDP. */
+ if (item->type == RTE_FLOW_ITEM_TYPE_UDP) {
+ /* Only used to describe the protocol stack. */
+ if (item->spec || item->mask) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ /* Check if the next not void item is VxLAN. */
+ item = next_no_void_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_VXLAN) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* check if the next not void item is MAC */
+ item = next_no_void_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_ETH) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ /**
+ * Only support vlan and dst MAC address,
+ * others should be masked.
+ */
+
+ if (!item->mask) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+ rule->b_mask = TRUE;
+ eth_mask = item->mask;
+
+ /* Ether type should be masked. */
+ if (eth_mask->type) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ /* src MAC address should be masked. */
+ for (j = 0; j < RTE_ETHER_ADDR_LEN; j++) {
+ if (eth_mask->src.addr_bytes[j]) {
+ memset(rule, 0,
+ sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+ rule->mask.mac_addr_byte_mask = 0;
+ for (j = 0; j < ETH_ADDR_LEN; j++) {
+ /* It's a per byte mask. */
+ if (eth_mask->dst.addr_bytes[j] == 0xFF) {
+ rule->mask.mac_addr_byte_mask |= 0x1 << j;
+ } else if (eth_mask->dst.addr_bytes[j]) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* When no vlan, considered as full mask. */
+ rule->mask.vlan_tci_mask = rte_cpu_to_be_16(0xEFFF);
+
+ /**
+ * Check if the next not void item is vlan or ipv4.
+ * IPv6 is not supported.
+ */
+ item = next_no_void_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_VLAN &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV4) {
+ memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ /**
+ * If the tags is 0, it means don't care about the VLAN.
+ * Do nothing.
+ */
+
+ return txgbe_parse_fdir_act_attr(attr, actions, rule, error);
+}
+
+static int
+txgbe_parse_fdir_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 txgbe_fdir_rule *rule,
+ struct rte_flow_error *error)
+{
+ int ret;
+ struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+ enum rte_fdir_mode fdir_mode = dev->data->dev_conf.fdir_conf.mode;
+
+ ret = txgbe_parse_fdir_filter_normal(dev, attr, pattern,
+ actions, rule, error);
+ if (!ret)
+ goto step_next;
+
+ ret = txgbe_parse_fdir_filter_tunnel(attr, pattern,
+ actions, rule, error);
+ if (ret)
+ return ret;
+
+step_next:
+
+ if (hw->mac.type == txgbe_mac_raptor &&
+ rule->fdirflags == TXGBE_FDIRPICMD_DROP &&
+ (rule->input.src_port != 0 || rule->input.dst_port != 0))
+ return -ENOTSUP;
+
+ if (fdir_mode == RTE_FDIR_MODE_NONE ||
+ fdir_mode != rule->mode)
+ return -ENOTSUP;
+
+ if (rule->queue >= dev->data->nb_rx_queues)
+ return -ENOTSUP;
+
+ return ret;
+}
+
+static int
+txgbe_parse_rss_filter(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_action actions[],
+ struct txgbe_rte_flow_rss_conf *rss_conf,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action *act;
+ const struct rte_flow_action_rss *rss;
+ uint16_t n;
+
+ /**
+ * rss only supports forwarding,
+ * check if the first not void action is RSS.
+ */
+ act = next_no_void_action(actions, NULL);
+ if (act->type != RTE_FLOW_ACTION_TYPE_RSS) {
+ memset(rss_conf, 0, sizeof(struct txgbe_rte_flow_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ rss = (const struct rte_flow_action_rss *)act->conf;
+
+ if (!rss || !rss->queue_num) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "no valid queues");
+ return -rte_errno;
+ }
+
+ for (n = 0; n < rss->queue_num; n++) {
+ if (rss->queue[n] >= dev->data->nb_rx_queues) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "queue id > max number of queues");
+ return -rte_errno;
+ }
+ }
+
+ if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT)
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "non-default RSS hash functions are not supported");
+ if (rss->level)
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "a nonzero RSS encapsulation level is not supported");
+ if (rss->key_len && rss->key_len != RTE_DIM(rss_conf->key))
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "RSS hash key must be exactly 40 bytes");
+ if (rss->queue_num > RTE_DIM(rss_conf->queue))
+ return rte_flow_error_set
+ (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "too many queues for RSS context");
+ if (txgbe_rss_conf_init(rss_conf, rss))
+ return rte_flow_error_set
+ (error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "RSS context initialization failure");
+
+ /* check if the next not void item is END */
+ act = next_no_void_action(actions, act);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ memset(rss_conf, 0, sizeof(struct txgbe_rte_flow_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ /* parse attr */
+ /* must be input direction */
+ if (!attr->ingress) {
+ memset(rss_conf, 0, sizeof(struct txgbe_rte_flow_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ attr, "Only support ingress.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->egress) {
+ memset(rss_conf, 0, sizeof(struct txgbe_rte_flow_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ attr, "Not support egress.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->transfer) {
+ memset(rss_conf, 0, sizeof(struct txgbe_rte_flow_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
+ attr, "No support for transfer.");
+ return -rte_errno;
+ }
+
+ if (attr->priority > 0xFFFF) {
+ memset(rss_conf, 0, sizeof(struct txgbe_rte_flow_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+ attr, "Error priority.");
+ return -rte_errno;
+ }
+
+ return 0;
+}
+
+/* remove the rss filter */
+static void
+txgbe_clear_rss_filter(struct rte_eth_dev *dev)
+{
+ struct txgbe_filter_info *filter_info = TXGBE_DEV_FILTER(dev);
+
+ if (filter_info->rss_info.conf.queue_num)
+ txgbe_config_rss_filter(dev, &filter_info->rss_info, FALSE);
+}
+
+void
+txgbe_filterlist_init(void)
+{
+ TAILQ_INIT(&filter_ntuple_list);
+ TAILQ_INIT(&filter_ethertype_list);
+ TAILQ_INIT(&filter_syn_list);
+ TAILQ_INIT(&filter_fdir_list);
+ TAILQ_INIT(&filter_l2_tunnel_list);
+ TAILQ_INIT(&filter_rss_list);
+ TAILQ_INIT(&txgbe_flow_list);
+}
+
+void
+txgbe_filterlist_flush(void)
+{
+ struct txgbe_ntuple_filter_ele *ntuple_filter_ptr;
+ struct txgbe_ethertype_filter_ele *ethertype_filter_ptr;
+ struct txgbe_eth_syn_filter_ele *syn_filter_ptr;
+ struct txgbe_eth_l2_tunnel_conf_ele *l2_tn_filter_ptr;
+ struct txgbe_fdir_rule_ele *fdir_rule_ptr;
+ struct txgbe_flow_mem *txgbe_flow_mem_ptr;
+ struct txgbe_rss_conf_ele *rss_filter_ptr;
+
+ while ((ntuple_filter_ptr = TAILQ_FIRST(&filter_ntuple_list))) {
+ TAILQ_REMOVE(&filter_ntuple_list,
+ ntuple_filter_ptr,
+ entries);
+ rte_free(ntuple_filter_ptr);
+ }
+
+ while ((ethertype_filter_ptr = TAILQ_FIRST(&filter_ethertype_list))) {
+ TAILQ_REMOVE(&filter_ethertype_list,
+ ethertype_filter_ptr,
+ entries);
+ rte_free(ethertype_filter_ptr);
+ }
+
+ while ((syn_filter_ptr = TAILQ_FIRST(&filter_syn_list))) {
+ TAILQ_REMOVE(&filter_syn_list,
+ syn_filter_ptr,
+ entries);
+ rte_free(syn_filter_ptr);
+ }
+
+ while ((l2_tn_filter_ptr = TAILQ_FIRST(&filter_l2_tunnel_list))) {
+ TAILQ_REMOVE(&filter_l2_tunnel_list,
+ l2_tn_filter_ptr,
+ entries);
+ rte_free(l2_tn_filter_ptr);
+ }
+
+ while ((fdir_rule_ptr = TAILQ_FIRST(&filter_fdir_list))) {
+ TAILQ_REMOVE(&filter_fdir_list,
+ fdir_rule_ptr,
+ entries);
+ rte_free(fdir_rule_ptr);
+ }
+
+ while ((rss_filter_ptr = TAILQ_FIRST(&filter_rss_list))) {
+ TAILQ_REMOVE(&filter_rss_list,
+ rss_filter_ptr,
+ entries);
+ rte_free(rss_filter_ptr);
+ }
+
+ while ((txgbe_flow_mem_ptr = TAILQ_FIRST(&txgbe_flow_list))) {
+ TAILQ_REMOVE(&txgbe_flow_list,
+ txgbe_flow_mem_ptr,
+ entries);
+ rte_free(txgbe_flow_mem_ptr->flow);
+ rte_free(txgbe_flow_mem_ptr);
+ }
+}
+
+/**
+ * Create or destroy a flow rule.
+ * Theorically one rule can match more than one filters.
+ * We will let it use the filter which it hit first.
+ * So, the sequence matters.
+ */
+static struct rte_flow *
+txgbe_flow_create(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)
+{
+ int ret;
+ struct rte_eth_ntuple_filter ntuple_filter;
+ struct rte_eth_ethertype_filter ethertype_filter;
+ struct rte_eth_syn_filter syn_filter;
+ struct txgbe_fdir_rule fdir_rule;
+ struct txgbe_l2_tunnel_conf l2_tn_filter;
+ struct txgbe_hw_fdir_info *fdir_info = TXGBE_DEV_FDIR(dev);
+ struct txgbe_rte_flow_rss_conf rss_conf;
+ struct rte_flow *flow = NULL;
+ struct txgbe_ntuple_filter_ele *ntuple_filter_ptr;
+ struct txgbe_ethertype_filter_ele *ethertype_filter_ptr;
+ struct txgbe_eth_syn_filter_ele *syn_filter_ptr;
+ struct txgbe_eth_l2_tunnel_conf_ele *l2_tn_filter_ptr;
+ struct txgbe_fdir_rule_ele *fdir_rule_ptr;
+ struct txgbe_rss_conf_ele *rss_filter_ptr;
+ struct txgbe_flow_mem *txgbe_flow_mem_ptr;
+ uint8_t first_mask = FALSE;
+
+ flow = rte_zmalloc("txgbe_rte_flow", sizeof(struct rte_flow), 0);
+ if (!flow) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ return (struct rte_flow *)flow;
+ }
+ txgbe_flow_mem_ptr = rte_zmalloc("txgbe_flow_mem",
+ sizeof(struct txgbe_flow_mem), 0);
+ if (!txgbe_flow_mem_ptr) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ rte_free(flow);
+ return NULL;
+ }
+ txgbe_flow_mem_ptr->flow = flow;
+ TAILQ_INSERT_TAIL(&txgbe_flow_list,
+ txgbe_flow_mem_ptr, entries);
+
+ memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ ret = txgbe_parse_ntuple_filter(dev, attr, pattern,
+ actions, &ntuple_filter, error);
+
+#ifdef RTE_LIB_SECURITY
+ /* ESP flow not really a flow*/
+ if (ntuple_filter.proto == IPPROTO_ESP)
+ return flow;
+#endif
+
+ if (!ret) {
+ ret = txgbe_add_del_ntuple_filter(dev, &ntuple_filter, TRUE);
+ if (!ret) {
+ ntuple_filter_ptr = rte_zmalloc("txgbe_ntuple_filter",
+ sizeof(struct txgbe_ntuple_filter_ele), 0);
+ if (!ntuple_filter_ptr) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ goto out;
+ }
+ rte_memcpy(&ntuple_filter_ptr->filter_info,
+ &ntuple_filter,
+ sizeof(struct rte_eth_ntuple_filter));
+ TAILQ_INSERT_TAIL(&filter_ntuple_list,
+ ntuple_filter_ptr, entries);
+ flow->rule = ntuple_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_NTUPLE;
+ return flow;
+ }
+ goto out;
+ }
+
+ memset(ðertype_filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ ret = txgbe_parse_ethertype_filter(dev, attr, pattern,
+ actions, ðertype_filter, error);
+ if (!ret) {
+ ret = txgbe_add_del_ethertype_filter(dev,
+ ðertype_filter, TRUE);
+ if (!ret) {
+ ethertype_filter_ptr =
+ rte_zmalloc("txgbe_ethertype_filter",
+ sizeof(struct txgbe_ethertype_filter_ele), 0);
+ if (!ethertype_filter_ptr) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ goto out;
+ }
+ rte_memcpy(ðertype_filter_ptr->filter_info,
+ ðertype_filter,
+ sizeof(struct rte_eth_ethertype_filter));
+ TAILQ_INSERT_TAIL(&filter_ethertype_list,
+ ethertype_filter_ptr, entries);
+ flow->rule = ethertype_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_ETHERTYPE;
+ return flow;
+ }
+ goto out;
+ }
+
+ memset(&syn_filter, 0, sizeof(struct rte_eth_syn_filter));
+ ret = txgbe_parse_syn_filter(dev, attr, pattern,
+ actions, &syn_filter, error);
+ if (!ret) {
+ ret = txgbe_syn_filter_set(dev, &syn_filter, TRUE);
+ if (!ret) {
+ syn_filter_ptr = rte_zmalloc("txgbe_syn_filter",
+ sizeof(struct txgbe_eth_syn_filter_ele), 0);
+ if (!syn_filter_ptr) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ goto out;
+ }
+ rte_memcpy(&syn_filter_ptr->filter_info,
+ &syn_filter,
+ sizeof(struct rte_eth_syn_filter));
+ TAILQ_INSERT_TAIL(&filter_syn_list,
+ syn_filter_ptr,
+ entries);
+ flow->rule = syn_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_SYN;
+ return flow;
+ }
+ goto out;
+ }
+
+ memset(&fdir_rule, 0, sizeof(struct txgbe_fdir_rule));
+ ret = txgbe_parse_fdir_filter(dev, attr, pattern,
+ actions, &fdir_rule, error);
+ if (!ret) {
+ /* A mask cannot be deleted. */
+ if (fdir_rule.b_mask) {
+ if (!fdir_info->mask_added) {
+ /* It's the first time the mask is set. */
+ rte_memcpy(&fdir_info->mask,
+ &fdir_rule.mask,
+ sizeof(struct txgbe_hw_fdir_mask));
+ fdir_info->flex_bytes_offset =
+ fdir_rule.flex_bytes_offset;
+
+ if (fdir_rule.mask.flex_bytes_mask)
+ txgbe_fdir_set_flexbytes_offset(dev,
+ fdir_rule.flex_bytes_offset);
+
+ ret = txgbe_fdir_set_input_mask(dev);
+ if (ret)
+ goto out;
+
+ fdir_info->mask_added = TRUE;
+ first_mask = TRUE;
+ } else {
+ /**
+ * Only support one global mask,
+ * all the masks should be the same.
+ */
+ ret = memcmp(&fdir_info->mask,
+ &fdir_rule.mask,
+ sizeof(struct txgbe_hw_fdir_mask));
+ if (ret)
+ goto out;
+
+ if (fdir_info->flex_bytes_offset !=
+ fdir_rule.flex_bytes_offset)
+ goto out;
+ }
+ }
+
+ if (fdir_rule.b_spec) {
+ ret = txgbe_fdir_filter_program(dev, &fdir_rule,
+ FALSE, FALSE);
+ if (!ret) {
+ fdir_rule_ptr = rte_zmalloc("txgbe_fdir_filter",
+ sizeof(struct txgbe_fdir_rule_ele), 0);
+ if (!fdir_rule_ptr) {
+ PMD_DRV_LOG(ERR,
+ "failed to allocate memory");
+ goto out;
+ }
+ rte_memcpy(&fdir_rule_ptr->filter_info,
+ &fdir_rule,
+ sizeof(struct txgbe_fdir_rule));
+ TAILQ_INSERT_TAIL(&filter_fdir_list,
+ fdir_rule_ptr, entries);
+ flow->rule = fdir_rule_ptr;
+ flow->filter_type = RTE_ETH_FILTER_FDIR;
+
+ return flow;
+ }
+
+ if (ret) {
+ /**
+ * clean the mask_added flag if fail to
+ * program
+ **/
+ if (first_mask)
+ fdir_info->mask_added = FALSE;
+ goto out;
+ }
+ }
+
+ goto out;
+ }
+
+ memset(&l2_tn_filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ ret = txgbe_parse_l2_tn_filter(dev, attr, pattern,
+ actions, &l2_tn_filter, error);
+ if (!ret) {
+ ret = txgbe_dev_l2_tunnel_filter_add(dev, &l2_tn_filter, FALSE);
+ if (!ret) {
+ l2_tn_filter_ptr = rte_zmalloc("txgbe_l2_tn_filter",
+ sizeof(struct txgbe_eth_l2_tunnel_conf_ele), 0);
+ if (!l2_tn_filter_ptr) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ goto out;
+ }
+ rte_memcpy(&l2_tn_filter_ptr->filter_info,
+ &l2_tn_filter,
+ sizeof(struct txgbe_l2_tunnel_conf));
+ TAILQ_INSERT_TAIL(&filter_l2_tunnel_list,
+ l2_tn_filter_ptr, entries);
+ flow->rule = l2_tn_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_L2_TUNNEL;
+ return flow;
+ }
+ }
+
+ memset(&rss_conf, 0, sizeof(struct txgbe_rte_flow_rss_conf));
+ ret = txgbe_parse_rss_filter(dev, attr,
+ actions, &rss_conf, error);
+ if (!ret) {
+ ret = txgbe_config_rss_filter(dev, &rss_conf, TRUE);
+ if (!ret) {
+ rss_filter_ptr = rte_zmalloc("txgbe_rss_filter",
+ sizeof(struct txgbe_rss_conf_ele), 0);
+ if (!rss_filter_ptr) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ goto out;
+ }
+ txgbe_rss_conf_init(&rss_filter_ptr->filter_info,
+ &rss_conf.conf);
+ TAILQ_INSERT_TAIL(&filter_rss_list,
+ rss_filter_ptr, entries);
+ flow->rule = rss_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_HASH;
+ return flow;
+ }
+ }
+
+out:
+ TAILQ_REMOVE(&txgbe_flow_list,
+ txgbe_flow_mem_ptr, entries);
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Failed to create flow.");
+ rte_free(txgbe_flow_mem_ptr);
+ rte_free(flow);
+ return NULL;
+}
+
+/**
+ * Check if the flow rule is supported by txgbe.
+ * It only checks the format. Don't guarantee the rule can be programmed into
+ * the HW. Because there can be no enough room for the rule.
+ */
+static int
+txgbe_flow_validate(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)
+{
+ struct rte_eth_ntuple_filter ntuple_filter;
+ struct rte_eth_ethertype_filter ethertype_filter;
+ struct rte_eth_syn_filter syn_filter;
+ struct txgbe_l2_tunnel_conf l2_tn_filter;
+ struct txgbe_fdir_rule fdir_rule;
+ struct txgbe_rte_flow_rss_conf rss_conf;
+ int ret = 0;
+
+ memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ ret = txgbe_parse_ntuple_filter(dev, attr, pattern,
+ actions, &ntuple_filter, error);
+ if (!ret)
+ return 0;
+
+ memset(ðertype_filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ ret = txgbe_parse_ethertype_filter(dev, attr, pattern,
+ actions, ðertype_filter, error);
+ if (!ret)
+ return 0;
+
+ memset(&syn_filter, 0, sizeof(struct rte_eth_syn_filter));
+ ret = txgbe_parse_syn_filter(dev, attr, pattern,
+ actions, &syn_filter, error);
+ if (!ret)
+ return 0;
+
+ memset(&fdir_rule, 0, sizeof(struct txgbe_fdir_rule));
+ ret = txgbe_parse_fdir_filter(dev, attr, pattern,
+ actions, &fdir_rule, error);
+ if (!ret)
+ return 0;
+
+ memset(&l2_tn_filter, 0, sizeof(struct txgbe_l2_tunnel_conf));
+ ret = txgbe_parse_l2_tn_filter(dev, attr, pattern,
+ actions, &l2_tn_filter, error);
+ if (!ret)
+ return 0;
+
+ memset(&rss_conf, 0, sizeof(struct txgbe_rte_flow_rss_conf));
+ ret = txgbe_parse_rss_filter(dev, attr,
+ actions, &rss_conf, error);
+
+ return ret;
+}
+
+/* Destroy a flow rule on txgbe. */
+static int
+txgbe_flow_destroy(struct rte_eth_dev *dev,
+ struct rte_flow *flow,
+ struct rte_flow_error *error)
+{
+ int ret = 0;
+ struct rte_flow *pmd_flow = flow;
+ enum rte_filter_type filter_type = pmd_flow->filter_type;
+ struct rte_eth_ntuple_filter ntuple_filter;
+ struct rte_eth_ethertype_filter ethertype_filter;
+ struct rte_eth_syn_filter syn_filter;
+ struct txgbe_fdir_rule fdir_rule;
+ struct txgbe_l2_tunnel_conf l2_tn_filter;
+ struct txgbe_ntuple_filter_ele *ntuple_filter_ptr;
+ struct txgbe_ethertype_filter_ele *ethertype_filter_ptr;
+ struct txgbe_eth_syn_filter_ele *syn_filter_ptr;
+ struct txgbe_eth_l2_tunnel_conf_ele *l2_tn_filter_ptr;
+ struct txgbe_fdir_rule_ele *fdir_rule_ptr;
+ struct txgbe_flow_mem *txgbe_flow_mem_ptr;
+ struct txgbe_hw_fdir_info *fdir_info = TXGBE_DEV_FDIR(dev);
+ struct txgbe_rss_conf_ele *rss_filter_ptr;
+
+ switch (filter_type) {
+ case RTE_ETH_FILTER_NTUPLE:
+ ntuple_filter_ptr = (struct txgbe_ntuple_filter_ele *)
+ pmd_flow->rule;
+ rte_memcpy(&ntuple_filter,
+ &ntuple_filter_ptr->filter_info,
+ sizeof(struct rte_eth_ntuple_filter));
+ ret = txgbe_add_del_ntuple_filter(dev, &ntuple_filter, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&filter_ntuple_list,
+ ntuple_filter_ptr, entries);
+ rte_free(ntuple_filter_ptr);
+ }
+ break;
+ case RTE_ETH_FILTER_ETHERTYPE:
+ ethertype_filter_ptr = (struct txgbe_ethertype_filter_ele *)
+ pmd_flow->rule;
+ rte_memcpy(ðertype_filter,
+ ðertype_filter_ptr->filter_info,
+ sizeof(struct rte_eth_ethertype_filter));
+ ret = txgbe_add_del_ethertype_filter(dev,
+ ðertype_filter, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&filter_ethertype_list,
+ ethertype_filter_ptr, entries);
+ rte_free(ethertype_filter_ptr);
+ }
+ break;
+ case RTE_ETH_FILTER_SYN:
+ syn_filter_ptr = (struct txgbe_eth_syn_filter_ele *)
+ pmd_flow->rule;
+ rte_memcpy(&syn_filter,
+ &syn_filter_ptr->filter_info,
+ sizeof(struct rte_eth_syn_filter));
+ ret = txgbe_syn_filter_set(dev, &syn_filter, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&filter_syn_list,
+ syn_filter_ptr, entries);
+ rte_free(syn_filter_ptr);
+ }
+ break;
+ case RTE_ETH_FILTER_FDIR:
+ fdir_rule_ptr = (struct txgbe_fdir_rule_ele *)pmd_flow->rule;
+ rte_memcpy(&fdir_rule,
+ &fdir_rule_ptr->filter_info,
+ sizeof(struct txgbe_fdir_rule));
+ ret = txgbe_fdir_filter_program(dev, &fdir_rule, TRUE, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&filter_fdir_list,
+ fdir_rule_ptr, entries);
+ rte_free(fdir_rule_ptr);
+ if (TAILQ_EMPTY(&filter_fdir_list))
+ fdir_info->mask_added = false;
+ }
+ break;
+ case RTE_ETH_FILTER_L2_TUNNEL:
+ l2_tn_filter_ptr = (struct txgbe_eth_l2_tunnel_conf_ele *)
+ pmd_flow->rule;
+ rte_memcpy(&l2_tn_filter, &l2_tn_filter_ptr->filter_info,
+ sizeof(struct txgbe_l2_tunnel_conf));
+ ret = txgbe_dev_l2_tunnel_filter_del(dev, &l2_tn_filter);
+ if (!ret) {
+ TAILQ_REMOVE(&filter_l2_tunnel_list,
+ l2_tn_filter_ptr, entries);
+ rte_free(l2_tn_filter_ptr);
+ }
+ break;
+ case RTE_ETH_FILTER_HASH:
+ rss_filter_ptr = (struct txgbe_rss_conf_ele *)
+ pmd_flow->rule;
+ ret = txgbe_config_rss_filter(dev,
+ &rss_filter_ptr->filter_info, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&filter_rss_list,
+ rss_filter_ptr, entries);
+ rte_free(rss_filter_ptr);
+ }
+ break;
+ default:
+ PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
+ filter_type);
+ ret = -EINVAL;
+ break;
+ }
+
+ if (ret) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE,
+ NULL, "Failed to destroy flow");
+ return ret;
+ }
+
+ TAILQ_FOREACH(txgbe_flow_mem_ptr, &txgbe_flow_list, entries) {
+ if (txgbe_flow_mem_ptr->flow == pmd_flow) {
+ TAILQ_REMOVE(&txgbe_flow_list,
+ txgbe_flow_mem_ptr, entries);
+ rte_free(txgbe_flow_mem_ptr);
+ }
+ }
+ rte_free(flow);
+
+ return ret;
+}
+
+/* Destroy all flow rules associated with a port on txgbe. */
+static int
+txgbe_flow_flush(struct rte_eth_dev *dev,
+ struct rte_flow_error *error)
+{
+ int ret = 0;
+
+ txgbe_clear_all_ntuple_filter(dev);
+ txgbe_clear_all_ethertype_filter(dev);
+ txgbe_clear_syn_filter(dev);
+
+ ret = txgbe_clear_all_fdir_filter(dev);
+ if (ret < 0) {
+ rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE,
+ NULL, "Failed to flush rule");
+ return ret;
+ }
+
+ ret = txgbe_clear_all_l2_tn_filter(dev);
+ if (ret < 0) {
+ rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE,
+ NULL, "Failed to flush rule");
+ return ret;
+ }
+
+ txgbe_clear_rss_filter(dev);
+
+ txgbe_filterlist_flush();
+
+ return 0;
}
const struct rte_flow_ops txgbe_flow_ops = {
git.droids-corp.org / dpdk.git / blobdiff