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Diffstat (limited to 'drivers/net/sfc/filter.h')
| -rw-r--r-- | drivers/net/sfc/filter.h | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/drivers/net/sfc/filter.h b/drivers/net/sfc/filter.h deleted file mode 100644 index a53319ded79..00000000000 --- a/drivers/net/sfc/filter.h +++ /dev/null @@ -1,189 +0,0 @@ -/**************************************************************************** - * Driver for Solarflare Solarstorm network controllers and boards - * Copyright 2005-2010 Solarflare Communications Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation, incorporated herein by reference. - */ - -#ifndef EFX_FILTER_H -#define EFX_FILTER_H - -#include <linux/types.h> - -enum efx_filter_table_id { - EFX_FILTER_TABLE_RX_IP = 0, - EFX_FILTER_TABLE_RX_MAC, - EFX_FILTER_TABLE_COUNT, -}; - -/** - * enum efx_filter_type - type of hardware filter - * @EFX_FILTER_RX_TCP_FULL: RX, matching TCP/IPv4 4-tuple - * @EFX_FILTER_RX_TCP_WILD: RX, matching TCP/IPv4 destination (host, port) - * @EFX_FILTER_RX_UDP_FULL: RX, matching UDP/IPv4 4-tuple - * @EFX_FILTER_RX_UDP_WILD: RX, matching UDP/IPv4 destination (host, port) - * @EFX_FILTER_RX_MAC_FULL: RX, matching Ethernet destination MAC address, VID - * @EFX_FILTER_RX_MAC_WILD: RX, matching Ethernet destination MAC address - * - * Falcon NICs only support the RX TCP/IPv4 and UDP/IPv4 filter types. - */ -enum efx_filter_type { - EFX_FILTER_RX_TCP_FULL = 0, - EFX_FILTER_RX_TCP_WILD, - EFX_FILTER_RX_UDP_FULL, - EFX_FILTER_RX_UDP_WILD, - EFX_FILTER_RX_MAC_FULL = 4, - EFX_FILTER_RX_MAC_WILD, - EFX_FILTER_TYPE_COUNT, -}; - -/** - * enum efx_filter_priority - priority of a hardware filter specification - * @EFX_FILTER_PRI_HINT: Performance hint - * @EFX_FILTER_PRI_MANUAL: Manually configured filter - * @EFX_FILTER_PRI_REQUIRED: Required for correct behaviour - */ -enum efx_filter_priority { - EFX_FILTER_PRI_HINT = 0, - EFX_FILTER_PRI_MANUAL, - EFX_FILTER_PRI_REQUIRED, -}; - -/** - * enum efx_filter_flags - flags for hardware filter specifications - * @EFX_FILTER_FLAG_RX_RSS: Use RSS to spread across multiple queues. - * By default, matching packets will be delivered only to the - * specified queue. If this flag is set, they will be delivered - * to a range of queues offset from the specified queue number - * according to the indirection table. - * @EFX_FILTER_FLAG_RX_SCATTER: Enable DMA scatter on the receiving - * queue. - * @EFX_FILTER_FLAG_RX_OVERRIDE_IP: Enables a MAC filter to override - * any IP filter that matches the same packet. By default, IP - * filters take precedence. - * - * Currently, no flags are defined for TX filters. - */ -enum efx_filter_flags { - EFX_FILTER_FLAG_RX_RSS = 0x01, - EFX_FILTER_FLAG_RX_SCATTER = 0x02, - EFX_FILTER_FLAG_RX_OVERRIDE_IP = 0x04, -}; - -/** - * struct efx_filter_spec - specification for a hardware filter - * @type: Type of match to be performed, from &enum efx_filter_type - * @priority: Priority of the filter, from &enum efx_filter_priority - * @flags: Miscellaneous flags, from &enum efx_filter_flags - * @dmaq_id: Source/target queue index - * @data: Match data (type-dependent) - * - * Use the efx_filter_set_*() functions to initialise the @type and - * @data fields. - */ -struct efx_filter_spec { - u8 type:4; - u8 priority:4; - u8 flags; - u16 dmaq_id; - u32 data[3]; -}; - -/** - * efx_filter_set_rx_tcp_full - specify RX filter with TCP/IPv4 full match - * @spec: Specification to initialise - * @shost: Source host address (host byte order) - * @sport: Source port (host byte order) - * @dhost: Destination host address (host byte order) - * @dport: Destination port (host byte order) - */ -static inline void -efx_filter_set_rx_tcp_full(struct efx_filter_spec *spec, - u32 shost, u16 sport, u32 dhost, u16 dport) -{ - spec->type = EFX_FILTER_RX_TCP_FULL; - spec->data[0] = sport | shost << 16; - spec->data[1] = dport << 16 | shost >> 16; - spec->data[2] = dhost; -} - -/** - * efx_filter_set_rx_tcp_wild - specify RX filter with TCP/IPv4 wildcard match - * @spec: Specification to initialise - * @dhost: Destination host address (host byte order) - * @dport: Destination port (host byte order) - */ -static inline void -efx_filter_set_rx_tcp_wild(struct efx_filter_spec *spec, u32 dhost, u16 dport) -{ - spec->type = EFX_FILTER_RX_TCP_WILD; - spec->data[0] = 0; - spec->data[1] = dport << 16; - spec->data[2] = dhost; -} - -/** - * efx_filter_set_rx_udp_full - specify RX filter with UDP/IPv4 full match - * @spec: Specification to initialise - * @shost: Source host address (host byte order) - * @sport: Source port (host byte order) - * @dhost: Destination host address (host byte order) - * @dport: Destination port (host byte order) - */ -static inline void -efx_filter_set_rx_udp_full(struct efx_filter_spec *spec, - u32 shost, u16 sport, u32 dhost, u16 dport) -{ - spec->type = EFX_FILTER_RX_UDP_FULL; - spec->data[0] = sport | shost << 16; - spec->data[1] = dport << 16 | shost >> 16; - spec->data[2] = dhost; -} - -/** - * efx_filter_set_rx_udp_wild - specify RX filter with UDP/IPv4 wildcard match - * @spec: Specification to initialise - * @dhost: Destination host address (host byte order) - * @dport: Destination port (host byte order) - */ -static inline void -efx_filter_set_rx_udp_wild(struct efx_filter_spec *spec, u32 dhost, u16 dport) -{ - spec->type = EFX_FILTER_RX_UDP_WILD; - spec->data[0] = dport; - spec->data[1] = 0; - spec->data[2] = dhost; -} - -/** - * efx_filter_set_rx_mac_full - specify RX filter with MAC full match - * @spec: Specification to initialise - * @vid: VLAN ID - * @addr: Destination MAC address - */ -static inline void efx_filter_set_rx_mac_full(struct efx_filter_spec *spec, - u16 vid, const u8 *addr) -{ - spec->type = EFX_FILTER_RX_MAC_FULL; - spec->data[0] = vid; - spec->data[1] = addr[2] << 24 | addr[3] << 16 | addr[4] << 8 | addr[5]; - spec->data[2] = addr[0] << 8 | addr[1]; -} - -/** - * efx_filter_set_rx_mac_full - specify RX filter with MAC wildcard match - * @spec: Specification to initialise - * @addr: Destination MAC address - */ -static inline void efx_filter_set_rx_mac_wild(struct efx_filter_spec *spec, - const u8 *addr) -{ - spec->type = EFX_FILTER_RX_MAC_WILD; - spec->data[0] = 0; - spec->data[1] = addr[2] << 24 | addr[3] << 16 | addr[4] << 8 | addr[5]; - spec->data[2] = addr[0] << 8 | addr[1]; -} - -#endif /* EFX_FILTER_H */ |