net/cxgbe: support Source MAC Table

[dpdk.git] / drivers / net / cxgbe / smt.h

diff --git a/drivers/net/cxgbe/smt.h b/drivers/net/cxgbe/smt.h
new file mode 100644 (file)
index 0000000..aa4afcc
--- /dev/null
+++ b/drivers/net/cxgbe/smt.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2020 Chelsio Communications.
+ * All rights reserved.
+ */
+#ifndef __CXGBE_SMT_H_
+#define __CXGBE_SMT_H_
+
+enum {
+       SMT_STATE_SWITCHING,
+       SMT_STATE_UNUSED,
+       SMT_STATE_ERROR
+};
+
+enum {
+       SMT_SIZE = 256
+};
+
+struct smt_entry {
+       u16 state;
+       u16 idx;
+       u16 pfvf;
+       u16 hw_idx;
+       u8 src_mac[RTE_ETHER_ADDR_LEN];
+       rte_atomic32_t refcnt;
+       rte_spinlock_t lock;
+};
+
+struct smt_data {
+       unsigned int smt_size;
+       unsigned int smt_start;
+       rte_rwlock_t lock;
+       struct smt_entry smtab[0];
+};
+
+struct smt_data *t4_init_smt(u32 smt_start_idx, u32 smt_size);
+void t4_cleanup_smt(struct adapter *adap);
+
+#endif  /* __CXGBE_SMT_H_ */
+