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| author |   Luca Boccassi <luca.boccassi@gmail.com> | 2018-02-19 11:16:57 +0000 |
|---|---|---|
| committer | Luca Boccassi <luca.boccassi@gmail.com> | 2018-02-19 11:17:28 +0000 |
| commit | ca33590b6af032bff57d9cc70455660466a654b2 (patch) | |
| tree | 0b68b090bd9b4a78a3614b62400b29279d76d553 /drivers/net/tap/tap_rss.h | |
| parent | 169a9de21e263aa6599cdc2d87a45ae158d9f509 (diff) | |
New upstream version 18.02upstream/18.02
Change-Id: I89ed24cb2a49b78fe5be6970b99dd46c1499fcc3
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/tap/tap_rss.h')
| -rw-r--r-- | drivers/net/tap/tap_rss.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/tap/tap_rss.h b/drivers/net/tap/tap_rss.h new file mode 100644 index 00000000..3bb0d140 --- /dev/null +++ b/drivers/net/tap/tap_rss.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2017 Mellanox Technologies, Ltd. + */ + +#ifndef _TAP_RSS_H_ +#define _TAP_RSS_H_ + +#ifndef TAP_MAX_QUEUES +#define TAP_MAX_QUEUES 16 +#endif + +/* hashed fields for RSS */ +enum hash_field { + HASH_FIELD_IPV4_L3, /* IPv4 src/dst addr */ + HASH_FIELD_IPV4_L3_L4, /* IPv4 src/dst addr + L4 src/dst ports */ + HASH_FIELD_IPV6_L3, /* IPv6 src/dst addr */ + HASH_FIELD_IPV6_L3_L4, /* IPv6 src/dst addr + L4 src/dst ports */ + HASH_FIELD_L2_SRC, /* Ethernet src addr */ + HASH_FIELD_L2_DST, /* Ethernet dst addr */ + HASH_FIELD_L3_SRC, /* L3 src addr */ + HASH_FIELD_L3_DST, /* L3 dst addr */ + HASH_FIELD_L4_SRC, /* TCP/UDP src ports */ + HASH_FIELD_L4_DST, /* TCP/UDP dst ports */ +}; + +struct rss_key { + __u8 key[128]; + __u32 hash_fields; + __u32 key_size; + __u32 queues[TAP_MAX_QUEUES]; + __u32 nb_queues; +} __attribute__((packed)); + +#endif /* _TAP_RSS_H_ */ |