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Diffstat (limited to 'drivers/net/sfc/filter.h')
| -rw-r--r-- | drivers/net/sfc/filter.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/drivers/net/sfc/filter.h b/drivers/net/sfc/filter.h deleted file mode 100644 index 872f2132a49..00000000000 --- a/drivers/net/sfc/filter.h +++ /dev/null @@ -1,112 +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_type - type of hardware filter - * @EFX_FILTER_TCP_FULL: Matching TCP/IPv4 4-tuple - * @EFX_FILTER_TCP_WILD: Matching TCP/IPv4 destination (host, port) - * @EFX_FILTER_UDP_FULL: Matching UDP/IPv4 4-tuple - * @EFX_FILTER_UDP_WILD: Matching UDP/IPv4 destination (host, port) - * @EFX_FILTER_MAC_FULL: Matching Ethernet destination MAC address, VID - * @EFX_FILTER_MAC_WILD: Matching Ethernet destination MAC address - * @EFX_FILTER_UNSPEC: Match type is unspecified - * - * Falcon NICs only support the TCP/IPv4 and UDP/IPv4 filter types. - */ -enum efx_filter_type { - EFX_FILTER_TCP_FULL = 0, - EFX_FILTER_TCP_WILD, - EFX_FILTER_UDP_FULL, - EFX_FILTER_UDP_WILD, - EFX_FILTER_MAC_FULL = 4, - EFX_FILTER_MAC_WILD, - EFX_FILTER_TYPE_COUNT, /* number of specific types */ - EFX_FILTER_UNSPEC = 0xf, -}; - -/** - * 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. - * @EFX_FILTER_FLAG_RX: Filter is for RX - */ -enum efx_filter_flags { - EFX_FILTER_FLAG_RX_RSS = 0x01, - EFX_FILTER_FLAG_RX_SCATTER = 0x02, - EFX_FILTER_FLAG_RX_OVERRIDE_IP = 0x04, - EFX_FILTER_FLAG_RX = 0x08, -}; - -/** - * 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]; -}; - -static inline void efx_filter_init_rx(struct efx_filter_spec *spec, - enum efx_filter_priority priority, - enum efx_filter_flags flags, - unsigned rxq_id) -{ - spec->type = EFX_FILTER_UNSPEC; - spec->priority = priority; - spec->flags = EFX_FILTER_FLAG_RX | flags; - spec->dmaq_id = rxq_id; -} - -extern int efx_filter_set_ipv4_local(struct efx_filter_spec *spec, u8 proto, - __be32 host, __be16 port); -extern int efx_filter_set_ipv4_full(struct efx_filter_spec *spec, u8 proto, - __be32 host, __be16 port, - __be32 rhost, __be16 rport); -extern int efx_filter_set_eth_local(struct efx_filter_spec *spec, - u16 vid, const u8 *addr); -enum { - EFX_FILTER_VID_UNSPEC = 0xffff, -}; - -#endif /* EFX_FILTER_H */ |