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Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h148
1 files changed, 148 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h
new file mode 100644
index 000000000..3a2fa00c8
--- /dev/null
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h
@@ -0,0 +1,148 @@
+/*
+ * This file is part of the Chelsio T4/T5/T6 Ethernet driver for Linux.
+ *
+ * Copyright (c) 2017 Chelsio Communications, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __CXGB4_TC_FLOWER_H
+#define __CXGB4_TC_FLOWER_H
+
+#include <net/pkt_cls.h>
+
+struct ch_tc_flower_stats {
+ u64 prev_packet_count;
+ u64 packet_count;
+ u64 byte_count;
+ u64 last_used;
+};
+
+struct ch_tc_flower_entry {
+ struct ch_filter_specification fs;
+ struct ch_tc_flower_stats stats;
+ unsigned long tc_flower_cookie;
+ struct rhash_head node;
+ struct rcu_head rcu;
+ spinlock_t lock; /* lock for stats */
+ u32 filter_id;
+};
+
+enum {
+ ETH_DMAC_31_0, /* dmac bits 0.. 31 */
+ ETH_DMAC_47_32, /* dmac bits 32..47 */
+ ETH_SMAC_15_0, /* smac bits 0.. 15 */
+ ETH_SMAC_47_16, /* smac bits 16..47 */
+
+ IP4_SRC, /* 32-bit IPv4 src */
+ IP4_DST, /* 32-bit IPv4 dst */
+
+ IP6_SRC_31_0, /* src bits 0.. 31 */
+ IP6_SRC_63_32, /* src bits 63.. 32 */
+ IP6_SRC_95_64, /* src bits 95.. 64 */
+ IP6_SRC_127_96, /* src bits 127..96 */
+
+ IP6_DST_31_0, /* dst bits 0.. 31 */
+ IP6_DST_63_32, /* dst bits 63.. 32 */
+ IP6_DST_95_64, /* dst bits 95.. 64 */
+ IP6_DST_127_96, /* dst bits 127..96 */
+
+ TCP_SPORT, /* 16-bit TCP sport */
+ TCP_DPORT, /* 16-bit TCP dport */
+
+ UDP_SPORT, /* 16-bit UDP sport */
+ UDP_DPORT, /* 16-bit UDP dport */
+};
+
+struct ch_tc_pedit_fields {
+ u8 field;
+ u8 size;
+ u32 offset;
+};
+
+#define PEDIT_FIELDS(type, field, size, fs_field, offset) \
+ { type## field, size, \
+ offsetof(struct ch_filter_specification, fs_field) + (offset) }
+
+#define PEDIT_ETH_DMAC_MASK 0xffff
+#define PEDIT_TCP_UDP_SPORT_MASK 0xffff
+#define PEDIT_ETH_DMAC_31_0 0x0
+#define PEDIT_ETH_DMAC_47_32_SMAC_15_0 0x4
+#define PEDIT_ETH_SMAC_47_16 0x8
+#define PEDIT_IP4_SRC 0xC
+#define PEDIT_IP4_DST 0x10
+#define PEDIT_IP6_SRC_31_0 0x8
+#define PEDIT_IP6_SRC_63_32 0xC
+#define PEDIT_IP6_SRC_95_64 0x10
+#define PEDIT_IP6_SRC_127_96 0x14
+#define PEDIT_IP6_DST_31_0 0x18
+#define PEDIT_IP6_DST_63_32 0x1C
+#define PEDIT_IP6_DST_95_64 0x20
+#define PEDIT_IP6_DST_127_96 0x24
+#define PEDIT_TCP_SPORT_DPORT 0x0
+#define PEDIT_UDP_SPORT_DPORT 0x0
+
+enum cxgb4_action_natmode_flags {
+ CXGB4_ACTION_NATMODE_NONE = 0,
+ CXGB4_ACTION_NATMODE_DIP = (1 << 0),
+ CXGB4_ACTION_NATMODE_SIP = (1 << 1),
+ CXGB4_ACTION_NATMODE_DPORT = (1 << 2),
+ CXGB4_ACTION_NATMODE_SPORT = (1 << 3),
+};
+
+/* TC PEDIT action to NATMODE translation entry */
+struct cxgb4_natmode_config {
+ enum chip_type chip;
+ u8 flags;
+ u8 natmode;
+};
+
+void cxgb4_process_flow_actions(struct net_device *in,
+ struct flow_action *actions,
+ struct ch_filter_specification *fs);
+int cxgb4_validate_flow_actions(struct net_device *dev,
+ struct flow_action *actions,
+ struct netlink_ext_ack *extack,
+ u8 matchall_filter);
+
+int cxgb4_tc_flower_replace(struct net_device *dev,
+ struct flow_cls_offload *cls);
+int cxgb4_tc_flower_destroy(struct net_device *dev,
+ struct flow_cls_offload *cls);
+int cxgb4_tc_flower_stats(struct net_device *dev,
+ struct flow_cls_offload *cls);
+int cxgb4_flow_rule_replace(struct net_device *dev, struct flow_rule *rule,
+ u32 tc_prio, struct netlink_ext_ack *extack,
+ struct ch_filter_specification *fs, u32 *tid);
+int cxgb4_flow_rule_destroy(struct net_device *dev, u32 tc_prio,
+ struct ch_filter_specification *fs, int tid);
+
+int cxgb4_init_tc_flower(struct adapter *adap);
+void cxgb4_cleanup_tc_flower(struct adapter *adap);
+#endif /* __CXGB4_TC_FLOWER_H */