| /* |
| * (C) Copyright 2012 Quantenna Communications Inc. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #ifndef __TOPAZ_DPI_H |
| #define __TOPAZ_DPI_H |
| |
| #include <common/topaz_emac.h> |
| #include <linux/in.h> |
| #include <linux/in6.h> |
| #include <compat.h> |
| |
| #ifdef TOPAZ_PLATFORM |
| |
| struct topaz_dpi_field_def { |
| uint32_t val; |
| uint32_t mask; |
| union topaz_emac_rx_dpi_ctrl ctrl; |
| }; |
| |
| #define TOPAZ_DPI_ANCHOR_FRAME_START 0x0000 |
| #define TOPAZ_DPI_ANCHOR_VLAN0 0x0001 |
| #define TOPAZ_DPI_ANCHOR_VLAN1 0x0002 |
| #define TOPAZ_DPI_ANCHOR_VLAN2 0x0003 |
| #define TOPAZ_DPI_ANCHOR_VLAN3 0x0004 |
| #define TOPAZ_DPI_ANCHOR_OTHER 0x0005 |
| #define TOPAZ_DPI_ANCHOR_LLC 0x0006 |
| #define TOPAZ_DPI_ANCHOR_IPV4 0x0007 |
| #define TOPAZ_DPI_ANCHOR_IPV6 0x0008 |
| #define TOPAZ_DPI_ANCHOR_TCP 0x0009 |
| #define TOPAZ_DPI_ANCHOR_UDP 0x000a |
| |
| #define TOPAZ_DPI_CMPOP_EQ 0x00 |
| #define TOPAZ_DPI_CMPOP_NE 0x01 |
| #define TOPAZ_DPI_CMPOP_GT 0x02 |
| #define TOPAZ_DPI_CMPOP_LT 0x03 |
| |
| #define TOPAZ_DPI_DISABLE 0x0 |
| #define TOPAZ_DPI_ENABLE 0x1 |
| |
| struct topaz_dpi_filter_request { |
| uint8_t out_port; |
| uint8_t out_node; |
| uint8_t tid; |
| struct topaz_dpi_field_def *fields; |
| unsigned int field_count; |
| struct in6_addr srcaddr; |
| struct in6_addr destaddr; |
| uint16_t srcport; |
| uint16_t destport; |
| }; |
| |
| int topaz_dpi_filter_add(unsigned int emac, |
| const struct topaz_dpi_filter_request *req); |
| void topaz_dpi_filter_del(unsigned int emac, int filter_no); |
| int topaz_dpi_init(unsigned int emac); |
| |
| static inline void topaz_dpi_iptuple_poll_complete(unsigned long base) |
| { |
| while (readl(base + TOPAZ_EMAC_RX_DPI_IPT_MEM_COM) |
| & (TOPAZ_EMAC_RX_DPI_IPT_MEM_COM_WRITE | TOPAZ_EMAC_RX_DPI_IPT_MEM_COM_READ)) {} |
| |
| } |
| |
| static inline void topaz_dpi_iptuple_read_entry(unsigned long base, uint8_t entry) |
| { |
| writel(TOPAZ_EMAC_RX_DPI_IPT_MEM_COM_READ | SM(entry, TOPAZ_EMAC_RX_DPI_IPT_MEM_COM_ENT), |
| base + TOPAZ_EMAC_RX_DPI_IPT_MEM_COM); |
| topaz_dpi_iptuple_poll_complete(base); |
| } |
| |
| static inline void topaz_dpi_iptuple_write_entry(unsigned long base, uint8_t entry) |
| { |
| writel(TOPAZ_EMAC_RX_DPI_IPT_MEM_COM_WRITE | SM(entry, TOPAZ_EMAC_RX_DPI_IPT_MEM_COM_ENT), |
| base + TOPAZ_EMAC_RX_DPI_IPT_MEM_COM); |
| topaz_dpi_iptuple_poll_complete(base); |
| } |
| |
| #endif /* TOPAZ_PLATFORM */ |
| |
| #endif /* __TOPAZ_DPI_H */ |
| |