#include <rte_log.h>
#include <rte_malloc.h>
+#include <rte_flow.h>
+#include <rte_flow_driver.h>
+#include <rte_tailq.h>
#include "bnxt.h"
#include "bnxt_filter.h"
for (i = 0; i < max_filters; i++) {
filter = &bp->filter_info[i];
filter->fw_l2_filter_id = -1;
+ filter->fw_em_filter_id = -1;
+ filter->fw_ntuple_filter_id = -1;
STAILQ_INSERT_TAIL(&bp->free_filter_list, filter, next);
}
}
for (i = 0; i < bp->pf.max_vfs; i++) {
STAILQ_FOREACH(filter, &bp->pf.vf_info[i].filter, next) {
- bnxt_hwrm_clear_filter(bp, filter);
+ bnxt_hwrm_clear_l2_filter(bp, filter);
}
}
}
if (filter->fw_l2_filter_id != ((uint64_t)-1)) {
RTE_LOG(ERR, PMD, "HWRM filter is not freed??\n");
/* Call HWRM to try to free filter again */
- rc = bnxt_hwrm_clear_filter(bp, filter);
+ rc = bnxt_hwrm_clear_l2_filter(bp, filter);
if (rc)
RTE_LOG(ERR, PMD,
"HWRM filter cannot be freed rc = %d\n",
bp->filter_info = filter_mem;
return 0;
}
+
+struct bnxt_filter_info *bnxt_get_unused_filter(struct bnxt *bp)
+{
+ struct bnxt_filter_info *filter;
+
+ /* Find the 1st unused filter from the free_filter_list pool*/
+ filter = STAILQ_FIRST(&bp->free_filter_list);
+ if (!filter) {
+ RTE_LOG(ERR, PMD, "No more free filter resources\n");
+ return NULL;
+ }
+ STAILQ_REMOVE_HEAD(&bp->free_filter_list, next);
+
+ return filter;
+}
+
+void bnxt_free_filter(struct bnxt *bp, struct bnxt_filter_info *filter)
+{
+ STAILQ_INSERT_TAIL(&bp->free_filter_list, filter, next);
+}
+
+static int
+bnxt_flow_agrs_validate(const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_error *error)
+{
+ 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;
+ }
+
+ return 0;
+}
+
+static const struct rte_flow_item *
+nxt_non_void_pattern(const struct rte_flow_item *cur)
+{
+ while (1) {
+ if (cur->type != RTE_FLOW_ITEM_TYPE_VOID)
+ return cur;
+ cur++;
+ }
+}
+
+static const struct rte_flow_action *
+nxt_non_void_action(const struct rte_flow_action *cur)
+{
+ while (1) {
+ if (cur->type != RTE_FLOW_ACTION_TYPE_VOID)
+ return cur;
+ cur++;
+ }
+}
+
+static inline int check_zero_bytes(const uint8_t *bytes, int len)
+{
+ int i;
+ for (i = 0; i < len; i++)
+ if (bytes[i] != 0x00)
+ return 0;
+ return 1;
+}
+
+static int
+bnxt_filter_type_check(const struct rte_flow_item pattern[],
+ struct rte_flow_error *error __rte_unused)
+{
+ const struct rte_flow_item *item = nxt_non_void_pattern(pattern);
+ int use_ntuple = 1;
+
+ while (item->type != RTE_FLOW_ITEM_TYPE_END) {
+ switch (item->type) {
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ use_ntuple = 1;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VLAN:
+ use_ntuple = 0;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ case RTE_FLOW_ITEM_TYPE_TCP:
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ /* FALLTHROUGH */
+ /* need ntuple match, reset exact match */
+ if (!use_ntuple) {
+ RTE_LOG(ERR, PMD,
+ "VLAN flow cannot use NTUPLE filter\n");
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Cannot use VLAN with NTUPLE");
+ return -rte_errno;
+ }
+ use_ntuple |= 1;
+ break;
+ default:
+ RTE_LOG(ERR, PMD, "Unknown Flow type");
+ use_ntuple |= 1;
+ }
+ item++;
+ }
+ return use_ntuple;
+}
+
+static int
+bnxt_validate_and_parse_flow_type(struct bnxt *bp,
+ const struct rte_flow_item pattern[],
+ struct rte_flow_error *error,
+ struct bnxt_filter_info *filter)
+{
+ const struct rte_flow_item *item = nxt_non_void_pattern(pattern);
+ const struct rte_flow_item_vlan *vlan_spec, *vlan_mask;
+ const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
+ const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
+ const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
+ const struct rte_flow_item_udp *udp_spec, *udp_mask;
+ const struct rte_flow_item_eth *eth_spec, *eth_mask;
+ const struct rte_flow_item_nvgre *nvgre_spec;
+ const struct rte_flow_item_nvgre *nvgre_mask;
+ const struct rte_flow_item_vxlan *vxlan_spec;
+ const struct rte_flow_item_vxlan *vxlan_mask;
+ uint8_t vni_mask[] = {0xFF, 0xFF, 0xFF};
+ uint8_t tni_mask[] = {0xFF, 0xFF, 0xFF};
+ const struct rte_flow_item_vf *vf_spec;
+ uint32_t tenant_id_be = 0;
+ bool vni_masked = 0;
+ bool tni_masked = 0;
+ uint32_t vf = 0;
+ int use_ntuple;
+ uint32_t en = 0;
+ int dflt_vnic;
+
+ use_ntuple = bnxt_filter_type_check(pattern, error);
+ RTE_LOG(DEBUG, PMD, "Use NTUPLE %d\n", use_ntuple);
+ if (use_ntuple < 0)
+ return use_ntuple;
+
+ filter->filter_type = use_ntuple ?
+ HWRM_CFA_NTUPLE_FILTER : HWRM_CFA_EM_FILTER;
+
+ while (item->type != RTE_FLOW_ITEM_TYPE_END) {
+ if (item->last) {
+ /* last or range is NOT supported as match criteria */
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "No support for range");
+ return -rte_errno;
+ }
+ if (!item->spec || !item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "spec/mask is NULL");
+ return -rte_errno;
+ }
+ 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;
+
+ /* Source MAC address mask cannot be partially set.
+ * Should be All 0's or all 1's.
+ * Destination MAC address mask must not be partially
+ * set. Should be all 1's or all 0's.
+ */
+ if ((!is_zero_ether_addr(ð_mask->src) &&
+ !is_broadcast_ether_addr(ð_mask->src)) ||
+ (!is_zero_ether_addr(ð_mask->dst) &&
+ !is_broadcast_ether_addr(ð_mask->dst))) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "MAC_addr mask not valid");
+ return -rte_errno;
+ }
+
+ /* Mask is not allowed. Only exact matches are */
+ if ((eth_mask->type & UINT16_MAX) != UINT16_MAX) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "ethertype mask not valid");
+ return -rte_errno;
+ }
+
+ if (is_broadcast_ether_addr(ð_mask->dst)) {
+ rte_memcpy(filter->dst_macaddr,
+ ð_spec->dst, 6);
+ en |= use_ntuple ?
+ NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR :
+ EM_FLOW_ALLOC_INPUT_EN_DST_MACADDR;
+ }
+ if (is_broadcast_ether_addr(ð_mask->src)) {
+ rte_memcpy(filter->src_macaddr,
+ ð_spec->src, 6);
+ en |= use_ntuple ?
+ NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_MACADDR :
+ EM_FLOW_ALLOC_INPUT_EN_SRC_MACADDR;
+ } /*
+ * else {
+ * RTE_LOG(ERR, PMD, "Handle this condition\n");
+ * }
+ */
+ if (eth_spec->type) {
+ filter->ethertype =
+ rte_be_to_cpu_16(eth_spec->type);
+ en |= use_ntuple ?
+ NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE :
+ EM_FLOW_ALLOC_INPUT_EN_ETHERTYPE;
+ }
+
+ 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_mask->tci & 0xFFFF && !vlan_mask->tpid) {
+ /* Only the VLAN ID can be matched. */
+ filter->l2_ovlan =
+ rte_be_to_cpu_16(vlan_spec->tci &
+ 0xFFF);
+ en |= EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID;
+ } else {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "VLAN mask is invalid");
+ return -rte_errno;
+ }
+
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ /* If mask is not involved, we could use EM filters. */
+ ipv4_spec =
+ (const struct rte_flow_item_ipv4 *)item->spec;
+ ipv4_mask =
+ (const struct rte_flow_item_ipv4 *)item->mask;
+ /* Only IP DST and SRC fields are maskable. */
+ 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) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid IPv4 mask.");
+ return -rte_errno;
+ }
+ filter->dst_ipaddr[0] = ipv4_spec->hdr.dst_addr;
+ filter->src_ipaddr[0] = ipv4_spec->hdr.src_addr;
+ if (use_ntuple)
+ en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
+ NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
+ else
+ en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
+ EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
+ if (ipv4_mask->hdr.src_addr) {
+ filter->src_ipaddr_mask[0] =
+ ipv4_mask->hdr.src_addr;
+ en |= !use_ntuple ? 0 :
+ NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
+ }
+ if (ipv4_mask->hdr.dst_addr) {
+ filter->dst_ipaddr_mask[0] =
+ ipv4_mask->hdr.dst_addr;
+ en |= !use_ntuple ? 0 :
+ NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
+ }
+ filter->ip_addr_type = use_ntuple ?
+ HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 :
+ HWRM_CFA_EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV4;
+ if (ipv4_spec->hdr.next_proto_id) {
+ filter->ip_protocol =
+ ipv4_spec->hdr.next_proto_id;
+ if (use_ntuple)
+ en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO;
+ else
+ en |= EM_FLOW_ALLOC_INPUT_EN_IP_PROTO;
+ }
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ ipv6_spec =
+ (const struct rte_flow_item_ipv6 *)item->spec;
+ ipv6_mask =
+ (const struct rte_flow_item_ipv6 *)item->mask;
+
+ /* Only IP DST and SRC fields are maskable. */
+ if (ipv6_mask->hdr.vtc_flow ||
+ ipv6_mask->hdr.payload_len ||
+ ipv6_mask->hdr.proto ||
+ ipv6_mask->hdr.hop_limits) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid IPv6 mask.");
+ return -rte_errno;
+ }
+
+ if (use_ntuple)
+ en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
+ NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
+ else
+ en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
+ EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
+ rte_memcpy(filter->src_ipaddr,
+ ipv6_spec->hdr.src_addr, 16);
+ rte_memcpy(filter->dst_ipaddr,
+ ipv6_spec->hdr.dst_addr, 16);
+ if (!check_zero_bytes(ipv6_mask->hdr.src_addr, 16)) {
+ rte_memcpy(filter->src_ipaddr_mask,
+ ipv6_mask->hdr.src_addr, 16);
+ en |= !use_ntuple ? 0 :
+ NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
+ }
+ if (!check_zero_bytes(ipv6_mask->hdr.dst_addr, 16)) {
+ rte_memcpy(filter->dst_ipaddr_mask,
+ ipv6_mask->hdr.dst_addr, 16);
+ en |= !use_ntuple ? 0 :
+ NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
+ }
+ filter->ip_addr_type = use_ntuple ?
+ NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6 :
+ EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6;
+ break;
+ case RTE_FLOW_ITEM_TYPE_TCP:
+ tcp_spec = (const struct rte_flow_item_tcp *)item->spec;
+ tcp_mask = (const struct rte_flow_item_tcp *)item->mask;
+
+ /* Check TCP mask. Only DST & SRC ports are maskable */
+ 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) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid TCP mask");
+ return -rte_errno;
+ }
+ filter->src_port = tcp_spec->hdr.src_port;
+ filter->dst_port = tcp_spec->hdr.dst_port;
+ if (use_ntuple)
+ en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
+ NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
+ else
+ en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
+ EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
+ if (tcp_mask->hdr.dst_port) {
+ filter->dst_port_mask = tcp_mask->hdr.dst_port;
+ en |= !use_ntuple ? 0 :
+ NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
+ }
+ if (tcp_mask->hdr.src_port) {
+ filter->src_port_mask = tcp_mask->hdr.src_port;
+ en |= !use_ntuple ? 0 :
+ NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
+ }
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ udp_spec = (const struct rte_flow_item_udp *)item->spec;
+ udp_mask = (const struct rte_flow_item_udp *)item->mask;
+
+ if (udp_mask->hdr.dgram_len ||
+ udp_mask->hdr.dgram_cksum) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid UDP mask");
+ return -rte_errno;
+ }
+
+ filter->src_port = udp_spec->hdr.src_port;
+ filter->dst_port = udp_spec->hdr.dst_port;
+ if (use_ntuple)
+ en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
+ NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
+ else
+ en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
+ EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
+
+ if (udp_mask->hdr.dst_port) {
+ filter->dst_port_mask = udp_mask->hdr.dst_port;
+ en |= !use_ntuple ? 0 :
+ NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
+ }
+ if (udp_mask->hdr.src_port) {
+ filter->src_port_mask = udp_mask->hdr.src_port;
+ en |= !use_ntuple ? 0 :
+ NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
+ }
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ vxlan_spec =
+ (const struct rte_flow_item_vxlan *)item->spec;
+ vxlan_mask =
+ (const struct rte_flow_item_vxlan *)item->mask;
+ /* Check if VXLAN item is used to describe protocol.
+ * If yes, both spec and mask should be NULL.
+ * If no, both spec and mask shouldn't be NULL.
+ */
+ if ((!vxlan_spec && vxlan_mask) ||
+ (vxlan_spec && !vxlan_mask)) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid VXLAN item");
+ return -rte_errno;
+ }
+
+ if (vxlan_spec->rsvd1 || vxlan_spec->rsvd0[0] ||
+ vxlan_spec->rsvd0[1] || vxlan_spec->rsvd0[2] ||
+ vxlan_spec->flags != 0x8) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid VXLAN item");
+ return -rte_errno;
+ }
+
+ /* Check if VNI is masked. */
+ if (vxlan_spec && vxlan_mask) {
+ vni_masked =
+ !!memcmp(vxlan_mask->vni, vni_mask,
+ RTE_DIM(vni_mask));
+ if (vni_masked) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid VNI mask");
+ return -rte_errno;
+ }
+
+ rte_memcpy(((uint8_t *)&tenant_id_be + 1),
+ vxlan_spec->vni, 3);
+ filter->vni =
+ rte_be_to_cpu_32(tenant_id_be);
+ filter->tunnel_type =
+ CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
+ }
+ break;
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ nvgre_spec =
+ (const struct rte_flow_item_nvgre *)item->spec;
+ nvgre_mask =
+ (const struct rte_flow_item_nvgre *)item->mask;
+ /* Check if NVGRE item is used to describe protocol.
+ * If yes, both spec and mask should be NULL.
+ * If no, both spec and mask shouldn't be NULL.
+ */
+ if ((!nvgre_spec && nvgre_mask) ||
+ (nvgre_spec && !nvgre_mask)) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid NVGRE item");
+ return -rte_errno;
+ }
+
+ if (nvgre_spec->c_k_s_rsvd0_ver != 0x2000 ||
+ nvgre_spec->protocol != 0x6558) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid NVGRE item");
+ return -rte_errno;
+ }
+
+ if (nvgre_spec && nvgre_mask) {
+ tni_masked =
+ !!memcmp(nvgre_mask->tni, tni_mask,
+ RTE_DIM(tni_mask));
+ if (tni_masked) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Invalid TNI mask");
+ return -rte_errno;
+ }
+ rte_memcpy(((uint8_t *)&tenant_id_be + 1),
+ nvgre_spec->tni, 3);
+ filter->vni =
+ rte_be_to_cpu_32(tenant_id_be);
+ filter->tunnel_type =
+ CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
+ }
+ break;
+ case RTE_FLOW_ITEM_TYPE_VF:
+ vf_spec = (const struct rte_flow_item_vf *)item->spec;
+ vf = vf_spec->id;
+ if (!BNXT_PF(bp)) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Configuring on a VF!");
+ return -rte_errno;
+ }
+
+ if (vf >= bp->pdev->max_vfs) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Incorrect VF id!");
+ return -rte_errno;
+ }
+
+ filter->mirror_vnic_id =
+ dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
+ if (dflt_vnic < 0) {
+ /* This simply indicates there's no driver
+ * loaded. This is not an error.
+ */
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "Unable to get default VNIC for VF");
+ return -rte_errno;
+ }
+ filter->mirror_vnic_id = dflt_vnic;
+ en |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
+ break;
+ default:
+ break;
+ }
+ item++;
+ }
+ filter->enables = en;
+
+ return 0;
+}
+
+/* Parse attributes */
+static int
+bnxt_flow_parse_attr(const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ /* Must be input direction */
+ if (!attr->ingress) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ attr, "Only support ingress.");
+ return -rte_errno;
+ }
+
+ /* Not supported */
+ if (attr->egress) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ attr, "No support for egress.");
+ return -rte_errno;
+ }
+
+ /* Not supported */
+ if (attr->priority) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+ attr, "No support for priority.");
+ return -rte_errno;
+ }
+
+ /* Not supported */
+ if (attr->group) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
+ attr, "No support for group.");
+ return -rte_errno;
+ }
+
+ return 0;
+}
+
+struct bnxt_filter_info *
+bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
+ struct bnxt_vnic_info *vnic)
+{
+ struct bnxt_filter_info *filter1, *f0;
+ struct bnxt_vnic_info *vnic0;
+ int rc;
+
+ vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
+ f0 = STAILQ_FIRST(&vnic0->filter);
+
+ //This flow has same DST MAC as the port/l2 filter.
+ if (memcmp(f0->l2_addr, nf->dst_macaddr, ETHER_ADDR_LEN) == 0)
+ return f0;
+
+ //This flow needs DST MAC which is not same as port/l2
+ RTE_LOG(DEBUG, PMD, "Create L2 filter for DST MAC\n");
+ filter1 = bnxt_get_unused_filter(bp);
+ if (filter1 == NULL)
+ return NULL;
+ filter1->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX;
+ filter1->enables = HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR |
+ L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK;
+ memcpy(filter1->l2_addr, nf->dst_macaddr, ETHER_ADDR_LEN);
+ memset(filter1->l2_addr_mask, 0xff, ETHER_ADDR_LEN);
+ rc = bnxt_hwrm_set_l2_filter(bp, vnic->fw_vnic_id,
+ filter1);
+ if (rc) {
+ bnxt_free_filter(bp, filter1);
+ return NULL;
+ }
+ STAILQ_INSERT_TAIL(&vnic->filter, filter1, next);
+ return filter1;
+}
+
+static int
+bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error,
+ struct bnxt_filter_info *filter)
+{
+ const struct rte_flow_action *act = nxt_non_void_action(actions);
+ struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+ const struct rte_flow_action_queue *act_q;
+ const struct rte_flow_action_vf *act_vf;
+ struct bnxt_vnic_info *vnic, *vnic0;
+ struct bnxt_filter_info *filter1;
+ uint32_t vf = 0;
+ int dflt_vnic;
+ int rc;
+
+ if (bp->eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS) {
+ RTE_LOG(ERR, PMD, "Cannot create flow on RSS queues\n");
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "Cannot create flow on RSS queues");
+ rc = -rte_errno;
+ goto ret;
+ }
+
+ rc = bnxt_validate_and_parse_flow_type(bp, pattern, error, filter);
+ if (rc != 0)
+ goto ret;
+
+ rc = bnxt_flow_parse_attr(attr, error);
+ if (rc != 0)
+ goto ret;
+ //Since we support ingress attribute only - right now.
+ filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
+
+ switch (act->type) {
+ case RTE_FLOW_ACTION_TYPE_QUEUE:
+ /* Allow this flow. Redirect to a VNIC. */
+ act_q = (const struct rte_flow_action_queue *)act->conf;
+ if (act_q->index >= bp->rx_nr_rings) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "Invalid queue ID.");
+ rc = -rte_errno;
+ goto ret;
+ }
+ RTE_LOG(DEBUG, PMD, "Queue index %d\n", act_q->index);
+
+ vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
+ vnic = STAILQ_FIRST(&bp->ff_pool[act_q->index]);
+ if (vnic == NULL) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "No matching VNIC for queue ID.");
+ rc = -rte_errno;
+ goto ret;
+ }
+ filter->dst_id = vnic->fw_vnic_id;
+ filter1 = bnxt_get_l2_filter(bp, filter, vnic);
+ if (filter1 == NULL) {
+ rc = -ENOSPC;
+ goto ret;
+ }
+ filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
+ RTE_LOG(DEBUG, PMD, "VNIC found\n");
+ break;
+ case RTE_FLOW_ACTION_TYPE_DROP:
+ vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
+ filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
+ if (filter1 == NULL) {
+ rc = -ENOSPC;
+ goto ret;
+ }
+ filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
+ if (filter->filter_type == HWRM_CFA_EM_FILTER)
+ filter->flags =
+ HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP;
+ else
+ filter->flags =
+ HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_COUNT:
+ vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
+ filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
+ if (filter1 == NULL) {
+ rc = -ENOSPC;
+ goto ret;
+ }
+ filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
+ filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER;
+ break;
+ case RTE_FLOW_ACTION_TYPE_VF:
+ act_vf = (const struct rte_flow_action_vf *)act->conf;
+ vf = act_vf->id;
+ if (!BNXT_PF(bp)) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "Configuring on a VF!");
+ rc = -rte_errno;
+ goto ret;
+ }
+
+ if (vf >= bp->pdev->max_vfs) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "Incorrect VF id!");
+ rc = -rte_errno;
+ goto ret;
+ }
+
+ filter->mirror_vnic_id =
+ dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
+ if (dflt_vnic < 0) {
+ /* This simply indicates there's no driver loaded.
+ * This is not an error.
+ */
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "Unable to get default VNIC for VF");
+ rc = -rte_errno;
+ goto ret;
+ }
+ filter->mirror_vnic_id = dflt_vnic;
+ filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
+
+ vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
+ filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
+ if (filter1 == NULL) {
+ rc = -ENOSPC;
+ goto ret;
+ }
+ filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
+ break;
+
+ default:
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "Invalid action.");
+ rc = -rte_errno;
+ goto ret;
+ }
+
+//done:
+ act = nxt_non_void_action(++act);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Invalid action.");
+ rc = -rte_errno;
+ goto ret;
+ }
+ret:
+ return rc;
+}
+
+static int
+bnxt_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 bnxt *bp = (struct bnxt *)dev->data->dev_private;
+ struct bnxt_filter_info *filter;
+ int ret = 0;
+
+ ret = bnxt_flow_agrs_validate(attr, pattern, actions, error);
+ if (ret != 0)
+ return ret;
+
+ filter = bnxt_get_unused_filter(bp);
+ if (filter == NULL) {
+ RTE_LOG(ERR, PMD, "Not enough resources for a new flow.\n");
+ return -ENOMEM;
+ }
+
+ ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
+ error, filter);
+ /* No need to hold on to this filter if we are just validating flow */
+ filter->fw_l2_filter_id = -1;
+ bnxt_free_filter(bp, filter);
+
+ return ret;
+}
+
+static int
+bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
+{
+ struct bnxt_filter_info *mf;
+ struct rte_flow *flow;
+ int i;
+
+ for (i = bp->nr_vnics - 1; i >= 0; i--) {
+ struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
+
+ STAILQ_FOREACH(flow, &vnic->flow_list, next) {
+ mf = flow->filter;
+
+ if (mf->filter_type == nf->filter_type &&
+ mf->flags == nf->flags &&
+ mf->src_port == nf->src_port &&
+ mf->src_port_mask == nf->src_port_mask &&
+ mf->dst_port == nf->dst_port &&
+ mf->dst_port_mask == nf->dst_port_mask &&
+ mf->ip_protocol == nf->ip_protocol &&
+ mf->ip_addr_type == nf->ip_addr_type &&
+ mf->ethertype == nf->ethertype &&
+ mf->vni == nf->vni &&
+ mf->tunnel_type == nf->tunnel_type &&
+ mf->l2_ovlan == nf->l2_ovlan &&
+ mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
+ mf->l2_ivlan == nf->l2_ivlan &&
+ mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
+ !memcmp(mf->l2_addr, nf->l2_addr, ETHER_ADDR_LEN) &&
+ !memcmp(mf->l2_addr_mask, nf->l2_addr_mask,
+ ETHER_ADDR_LEN) &&
+ !memcmp(mf->src_macaddr, nf->src_macaddr,
+ ETHER_ADDR_LEN) &&
+ !memcmp(mf->dst_macaddr, nf->dst_macaddr,
+ ETHER_ADDR_LEN) &&
+ !memcmp(mf->src_ipaddr, nf->src_ipaddr,
+ sizeof(nf->src_ipaddr)) &&
+ !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask,
+ sizeof(nf->src_ipaddr_mask)) &&
+ !memcmp(mf->dst_ipaddr, nf->dst_ipaddr,
+ sizeof(nf->dst_ipaddr)) &&
+ !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask,
+ sizeof(nf->dst_ipaddr_mask)))
+ return -EEXIST;
+ }
+ }
+ return 0;
+}
+
+static struct rte_flow *
+bnxt_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 bnxt *bp = (struct bnxt *)dev->data->dev_private;
+ struct bnxt_filter_info *filter;
+ struct bnxt_vnic_info *vnic = NULL;
+ struct rte_flow *flow;
+ unsigned int i;
+ int ret = 0;
+
+ flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
+ if (!flow) {
+ rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Failed to allocate memory");
+ return flow;
+ }
+
+ ret = bnxt_flow_agrs_validate(attr, pattern, actions, error);
+ if (ret != 0) {
+ RTE_LOG(ERR, PMD, "Not a validate flow.\n");
+ goto free_flow;
+ }
+
+ filter = bnxt_get_unused_filter(bp);
+ if (filter == NULL) {
+ RTE_LOG(ERR, PMD, "Not enough resources for a new flow.\n");
+ goto free_flow;
+ }
+
+ ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
+ error, filter);
+ if (ret != 0)
+ goto free_filter;
+
+ ret = bnxt_match_filter(bp, filter);
+ if (ret != 0) {
+ RTE_LOG(DEBUG, PMD, "Flow already exists.\n");
+ goto free_filter;
+ }
+
+ if (filter->filter_type == HWRM_CFA_EM_FILTER) {
+ filter->enables |=
+ HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
+ ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
+ }
+ if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
+ filter->enables |=
+ HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
+ ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
+ }
+
+ for (i = 0; i < bp->nr_vnics; i++) {
+ vnic = &bp->vnic_info[i];
+ if (filter->dst_id == vnic->fw_vnic_id)
+ break;
+ }
+
+ if (!ret) {
+ flow->filter = filter;
+ flow->vnic = vnic;
+ RTE_LOG(ERR, PMD, "Successfully created flow.\n");
+ STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
+ return flow;
+ }
+free_filter:
+ filter->fw_l2_filter_id = -1;
+ bnxt_free_filter(bp, filter);
+free_flow:
+ if (ret == -EEXIST)
+ rte_flow_error_set(error, ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Matching Flow exists.");
+ else
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Failed to create flow.");
+ rte_free(flow);
+ flow = NULL;
+ return flow;
+}
+
+static int
+bnxt_flow_destroy(struct rte_eth_dev *dev,
+ struct rte_flow *flow,
+ struct rte_flow_error *error)
+{
+ struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+ struct bnxt_filter_info *filter = flow->filter;
+ struct bnxt_vnic_info *vnic = flow->vnic;
+ int ret = 0;
+
+ ret = bnxt_match_filter(bp, filter);
+ if (ret == 0)
+ RTE_LOG(ERR, PMD, "Could not find matching flow\n");
+ if (filter->filter_type == HWRM_CFA_EM_FILTER)
+ ret = bnxt_hwrm_clear_em_filter(bp, filter);
+ if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
+ ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
+
+ if (!ret) {
+ STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
+ rte_free(flow);
+ } else {
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Failed to destroy flow.");
+ }
+
+ return ret;
+}
+
+static int
+bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
+{
+ struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+ struct bnxt_vnic_info *vnic;
+ struct rte_flow *flow;
+ unsigned int i;
+ int ret = 0;
+
+ for (i = 0; i < bp->nr_vnics; i++) {
+ vnic = &bp->vnic_info[i];
+ STAILQ_FOREACH(flow, &vnic->flow_list, next) {
+ struct bnxt_filter_info *filter = flow->filter;
+
+ if (filter->filter_type == HWRM_CFA_EM_FILTER)
+ ret = bnxt_hwrm_clear_em_filter(bp, filter);
+ if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
+ ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
+
+ if (ret) {
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE,
+ NULL,
+ "Failed to flush flow in HW.");
+ return -rte_errno;
+ }
+
+ STAILQ_REMOVE(&vnic->flow_list, flow,
+ rte_flow, next);
+ rte_free(flow);
+ }
+ }
+
+ return ret;
+}
+
+const struct rte_flow_ops bnxt_flow_ops = {
+ .validate = bnxt_flow_validate,
+ .create = bnxt_flow_create,
+ .destroy = bnxt_flow_destroy,
+ .flush = bnxt_flow_flush,
+};
Code Review / deb_dpdk.git / blobdiff