};
/* Forward declarations */
+static enic_copy_item_fn enic_copy_item_ipv4_v1;
+static enic_copy_item_fn enic_copy_item_udp_v1;
+static enic_copy_item_fn enic_copy_item_tcp_v1;
static enic_copy_item_fn enic_copy_item_eth_v2;
static enic_copy_item_fn enic_copy_item_vlan_v2;
static enic_copy_item_fn enic_copy_item_ipv4_v2;
static copy_action_fn enic_copy_action_v1;
static copy_action_fn enic_copy_action_v2;
+/**
+ * Legacy NICs or NICs with outdated firmware. Only 5-tuple perfect match
+ * is supported.
+ */
+static const struct enic_items enic_items_v1[] = {
+ [RTE_FLOW_ITEM_TYPE_IPV4] = {
+ .copy_item = enic_copy_item_ipv4_v1,
+ .valid_start_item = 1,
+ .prev_items = (const enum rte_flow_item_type[]) {
+ RTE_FLOW_ITEM_TYPE_END,
+ },
+ },
+ [RTE_FLOW_ITEM_TYPE_UDP] = {
+ .copy_item = enic_copy_item_udp_v1,
+ .valid_start_item = 0,
+ .prev_items = (const enum rte_flow_item_type[]) {
+ RTE_FLOW_ITEM_TYPE_IPV4,
+ RTE_FLOW_ITEM_TYPE_END,
+ },
+ },
+ [RTE_FLOW_ITEM_TYPE_TCP] = {
+ .copy_item = enic_copy_item_tcp_v1,
+ .valid_start_item = 0,
+ .prev_items = (const enum rte_flow_item_type[]) {
+ RTE_FLOW_ITEM_TYPE_IPV4,
+ RTE_FLOW_ITEM_TYPE_END,
+ },
+ },
+};
+
/**
* NICs have Advanced Filters capability but they are disabled. This means
* that layer 3 must be specified.
/** Filtering capabilities indexed this NICs supported filter type. */
static const struct enic_filter_cap enic_filter_cap[] = {
+ [FILTER_IPV4_5TUPLE] = {
+ .item_info = enic_items_v1,
+ },
[FILTER_USNIC_IP] = {
.item_info = enic_items_v2,
},
.copy_fn = enic_copy_action_v2,
},
};
+
+static int
+mask_exact_match(const u8 *supported, const u8 *supplied,
+ unsigned int size)
+{
+ unsigned int i;
+ for (i = 0; i < size; i++) {
+ if (supported[i] != supplied[i])
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * Copy IPv4 item into version 1 NIC filter.
+ *
+ * @param item[in]
+ * Item specification.
+ * @param enic_filter[out]
+ * Partially filled in NIC filter structure.
+ * @param inner_ofst[in]
+ * Should always be 0 for version 1.
+ */
+static int
+enic_copy_item_ipv4_v1(const struct rte_flow_item *item,
+ struct filter_v2 *enic_filter, u8 *inner_ofst)
+{
+ const struct rte_flow_item_ipv4 *spec = item->spec;
+ const struct rte_flow_item_ipv4 *mask = item->mask;
+ struct filter_ipv4_5tuple *enic_5tup = &enic_filter->u.ipv4;
+ struct ipv4_hdr supported_mask = {
+ .src_addr = 0xffffffff,
+ .dst_addr = 0xffffffff,
+ };
+
+ FLOW_TRACE();
+
+ if (*inner_ofst)
+ return ENOTSUP;
+
+ if (!mask)
+ mask = &rte_flow_item_ipv4_mask;
+
+ /* This is an exact match filter, both fields must be set */
+ if (!spec || !spec->hdr.src_addr || !spec->hdr.dst_addr) {
+ FLOW_LOG(ERR, "IPv4 exact match src/dst addr");
+ return ENOTSUP;
+ }
+
+ /* check that the suppied mask exactly matches capabilty */
+ if (!mask_exact_match((const u8 *)&supported_mask,
+ (const u8 *)item->mask, sizeof(*mask))) {
+ FLOW_LOG(ERR, "IPv4 exact match mask");
+ return ENOTSUP;
+ }
+
+ enic_filter->u.ipv4.flags = FILTER_FIELDS_IPV4_5TUPLE;
+ enic_5tup->src_addr = spec->hdr.src_addr;
+ enic_5tup->dst_addr = spec->hdr.dst_addr;
+
+ return 0;
+}
+
+/**
+ * Copy UDP item into version 1 NIC filter.
+ *
+ * @param item[in]
+ * Item specification.
+ * @param enic_filter[out]
+ * Partially filled in NIC filter structure.
+ * @param inner_ofst[in]
+ * Should always be 0 for version 1.
+ */
+static int
+enic_copy_item_udp_v1(const struct rte_flow_item *item,
+ struct filter_v2 *enic_filter, u8 *inner_ofst)
+{
+ const struct rte_flow_item_udp *spec = item->spec;
+ const struct rte_flow_item_udp *mask = item->mask;
+ struct filter_ipv4_5tuple *enic_5tup = &enic_filter->u.ipv4;
+ struct udp_hdr supported_mask = {
+ .src_port = 0xffff,
+ .dst_port = 0xffff,
+ };
+
+ FLOW_TRACE();
+
+ if (*inner_ofst)
+ return ENOTSUP;
+
+ if (!mask)
+ mask = &rte_flow_item_udp_mask;
+
+ /* This is an exact match filter, both ports must be set */
+ if (!spec || !spec->hdr.src_port || !spec->hdr.dst_port) {
+ FLOW_LOG(ERR, "UDP exact match src/dst addr");
+ return ENOTSUP;
+ }
+
+ /* check that the suppied mask exactly matches capabilty */
+ if (!mask_exact_match((const u8 *)&supported_mask,
+ (const u8 *)item->mask, sizeof(*mask))) {
+ FLOW_LOG(ERR, "UDP exact match mask");
+ return ENOTSUP;
+ }
+
+ enic_filter->u.ipv4.flags = FILTER_FIELDS_IPV4_5TUPLE;
+ enic_5tup->src_port = spec->hdr.src_port;
+ enic_5tup->dst_port = spec->hdr.dst_port;
+ enic_5tup->protocol = PROTO_UDP;
+
+ return 0;
+}
+
+/**
+ * Copy TCP item into version 1 NIC filter.
+ *
+ * @param item[in]
+ * Item specification.
+ * @param enic_filter[out]
+ * Partially filled in NIC filter structure.
+ * @param inner_ofst[in]
+ * Should always be 0 for version 1.
+ */
+static int
+enic_copy_item_tcp_v1(const struct rte_flow_item *item,
+ struct filter_v2 *enic_filter, u8 *inner_ofst)
+{
+ const struct rte_flow_item_tcp *spec = item->spec;
+ const struct rte_flow_item_tcp *mask = item->mask;
+ struct filter_ipv4_5tuple *enic_5tup = &enic_filter->u.ipv4;
+ struct tcp_hdr supported_mask = {
+ .src_port = 0xffff,
+ .dst_port = 0xffff,
+ };
+
+ FLOW_TRACE();
+
+ if (*inner_ofst)
+ return ENOTSUP;
+
+ if (!mask)
+ mask = &rte_flow_item_tcp_mask;
+
+ /* This is an exact match filter, both ports must be set */
+ if (!spec || !spec->hdr.src_port || !spec->hdr.dst_port) {
+ FLOW_LOG(ERR, "TCPIPv4 exact match src/dst addr");
+ return ENOTSUP;
+ }
+
+ /* check that the suppied mask exactly matches capabilty */
+ if (!mask_exact_match((const u8 *)&supported_mask,
+ (const u8 *)item->mask, sizeof(*mask))) {
+ FLOW_LOG(ERR, "TCP exact match mask");
+ return ENOTSUP;
+ }
+
+ enic_filter->u.ipv4.flags = FILTER_FIELDS_IPV4_5TUPLE;
+ enic_5tup->src_port = spec->hdr.src_port;
+ enic_5tup->dst_port = spec->hdr.dst_port;
+ enic_5tup->protocol = PROTO_TCP;
+
+ return 0;
+}
+
/**
* Copy ETH item into version 2 NIC filter.
*
static const struct enic_filter_cap *
enic_get_filter_cap(struct enic *enic)
{
- /* FIXME: only support advanced filters for now */
- if ((enic->flow_filter_mode != FILTER_DPDK_1) &&
- (enic->flow_filter_mode != FILTER_USNIC_IP))
- return (const struct enic_filter_cap *)NULL;
-
if (enic->flow_filter_mode)
return &enic_filter_cap[enic->flow_filter_mode];
ea = &enic_action_cap[FILTER_ACTION_RQ_STEERING_FLAG];
return ea;
}
+
+/* Debug function to dump internal NIC action structure. */
+static void
+enic_dump_actions(const struct filter_action_v2 *ea)
+{
+ if (ea->type == FILTER_ACTION_RQ_STEERING) {
+ FLOW_LOG(INFO, "Action(V1), queue: %u\n", ea->rq_idx);
+ } else if (ea->type == FILTER_ACTION_V2) {
+ FLOW_LOG(INFO, "Actions(V2)\n");
+ if (ea->flags & FILTER_ACTION_RQ_STEERING_FLAG)
+ FLOW_LOG(INFO, "\tqueue: %u\n",
+ enic_sop_rq_idx_to_rte_idx(ea->rq_idx));
+ if (ea->flags & FILTER_ACTION_FILTER_ID_FLAG)
+ FLOW_LOG(INFO, "\tfilter_id: %u\n", ea->filter_id);
+ }
+}
+
+/* Debug function to dump internal NIC filter structure. */
+static void
+enic_dump_filter(const struct filter_v2 *filt)
+{
+ const struct filter_generic_1 *gp;
+ int i, j, mbyte;
+ char buf[128], *bp;
+ char ip4[16], ip6[16], udp[16], tcp[16], tcpudp[16], ip4csum[16];
+ char l4csum[16], ipfrag[16];
+
+ switch (filt->type) {
+ case FILTER_IPV4_5TUPLE:
+ FLOW_LOG(INFO, "FILTER_IPV4_5TUPLE\n");
+ break;
+ case FILTER_USNIC_IP:
+ case FILTER_DPDK_1:
+ /* FIXME: this should be a loop */
+ gp = &filt->u.generic_1;
+ FLOW_LOG(INFO, "Filter: vlan: 0x%04x, mask: 0x%04x\n",
+ gp->val_vlan, gp->mask_vlan);
+
+ if (gp->mask_flags & FILTER_GENERIC_1_IPV4)
+ sprintf(ip4, "%s ",
+ (gp->val_flags & FILTER_GENERIC_1_IPV4)
+ ? "ip4(y)" : "ip4(n)");
+ else
+ sprintf(ip4, "%s ", "ip4(x)");
+
+ if (gp->mask_flags & FILTER_GENERIC_1_IPV6)
+ sprintf(ip6, "%s ",
+ (gp->val_flags & FILTER_GENERIC_1_IPV4)
+ ? "ip6(y)" : "ip6(n)");
+ else
+ sprintf(ip6, "%s ", "ip6(x)");
+
+ if (gp->mask_flags & FILTER_GENERIC_1_UDP)
+ sprintf(udp, "%s ",
+ (gp->val_flags & FILTER_GENERIC_1_UDP)
+ ? "udp(y)" : "udp(n)");
+ else
+ sprintf(udp, "%s ", "udp(x)");
+
+ if (gp->mask_flags & FILTER_GENERIC_1_TCP)
+ sprintf(tcp, "%s ",
+ (gp->val_flags & FILTER_GENERIC_1_TCP)
+ ? "tcp(y)" : "tcp(n)");
+ else
+ sprintf(tcp, "%s ", "tcp(x)");
+
+ if (gp->mask_flags & FILTER_GENERIC_1_TCP_OR_UDP)
+ sprintf(tcpudp, "%s ",
+ (gp->val_flags & FILTER_GENERIC_1_TCP_OR_UDP)
+ ? "tcpudp(y)" : "tcpudp(n)");
+ else
+ sprintf(tcpudp, "%s ", "tcpudp(x)");
+
+ if (gp->mask_flags & FILTER_GENERIC_1_IP4SUM_OK)
+ sprintf(ip4csum, "%s ",
+ (gp->val_flags & FILTER_GENERIC_1_IP4SUM_OK)
+ ? "ip4csum(y)" : "ip4csum(n)");
+ else
+ sprintf(ip4csum, "%s ", "ip4csum(x)");
+
+ if (gp->mask_flags & FILTER_GENERIC_1_L4SUM_OK)
+ sprintf(l4csum, "%s ",
+ (gp->val_flags & FILTER_GENERIC_1_L4SUM_OK)
+ ? "l4csum(y)" : "l4csum(n)");
+ else
+ sprintf(l4csum, "%s ", "l4csum(x)");
+
+ if (gp->mask_flags & FILTER_GENERIC_1_IPFRAG)
+ sprintf(ipfrag, "%s ",
+ (gp->val_flags & FILTER_GENERIC_1_IPFRAG)
+ ? "ipfrag(y)" : "ipfrag(n)");
+ else
+ sprintf(ipfrag, "%s ", "ipfrag(x)");
+ FLOW_LOG(INFO, "\tFlags: %s%s%s%s%s%s%s%s\n", ip4, ip6, udp,
+ tcp, tcpudp, ip4csum, l4csum, ipfrag);
+
+ for (i = 0; i < FILTER_GENERIC_1_NUM_LAYERS; i++) {
+ mbyte = FILTER_GENERIC_1_KEY_LEN - 1;
+ while (mbyte && !gp->layer[i].mask[mbyte])
+ mbyte--;
+ if (mbyte == 0)
+ continue;
+
+ bp = buf;
+ for (j = 0; j <= mbyte; j++) {
+ sprintf(bp, "%02x",
+ gp->layer[i].mask[j]);
+ bp += 2;
+ }
+ *bp = '\0';
+ FLOW_LOG(INFO, "\tL%u mask: %s\n", i + 2, buf);
+ bp = buf;
+ for (j = 0; j <= mbyte; j++) {
+ sprintf(bp, "%02x",
+ gp->layer[i].val[j]);
+ bp += 2;
+ }
+ *bp = '\0';
+ FLOW_LOG(INFO, "\tL%u val: %s\n", i + 2, buf);
+ }
+ break;
+ default:
+ FLOW_LOG(INFO, "FILTER UNKNOWN\n");
+ break;
+ }
+}
+
+/* Debug function to dump internal NIC flow structures. */
+static void
+enic_dump_flow(const struct filter_action_v2 *ea, const struct filter_v2 *filt)
+{
+ enic_dump_filter(filt);
+ enic_dump_actions(ea);
+}
+
+
/**
* Internal flow parse/validate function.
*
ret = enic_flow_parse(dev, attrs, pattern, actions, error,
&enic_filter, &enic_action);
+ if (!ret)
+ enic_dump_flow(&enic_action, &enic_filter);
return ret;
}
git.droids-corp.org / dpdk.git / blobdiff