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IB/pack: IBoE UD packet packing support

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Add support for packing IBoE packet headers.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>

[ Clean up and fix ib_ud_header_init() a bit.  - Roland ]

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Eli Cohen
2010-08-26 14:17:56 +00:00
committed by Roland Dreier
parent 3c86aa70bf
commit ff7f5aab35
4 changed files with 112 additions and 37 deletions
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30
include/rdma/ib_pack.h
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@@ -37,6 +37,7 @@
enum {
IB_LRH_BYTES = 8,
IB_ETH_BYTES = 14,
IB_GRH_BYTES = 40,
IB_BTH_BYTES = 12,
IB_DETH_BYTES = 8
@@ -210,14 +211,25 @@ struct ib_unpacked_deth {
__be32 source_qpn;
};
struct ib_unpacked_eth {
u8 dmac_h[4];
u8 dmac_l[2];
u8 smac_h[2];
u8 smac_l[4];
__be16 type;
};
struct ib_ud_header {
int lrh_present;
struct ib_unpacked_lrh lrh;
int grh_present;
struct ib_unpacked_grh grh;
struct ib_unpacked_bth bth;
int eth_present;
struct ib_unpacked_eth eth;
int grh_present;
struct ib_unpacked_grh grh;
struct ib_unpacked_bth bth;
struct ib_unpacked_deth deth;
int immediate_present;
__be32 immediate_data;
int immediate_present;
__be32 immediate_data;
};
void ib_pack(const struct ib_field *desc,
@@ -230,9 +242,11 @@ void ib_unpack(const struct ib_field *desc,
void *buf,
void *structure);
void ib_ud_header_init(int payload_bytes,
int grh_present,
int immediate_present,
void ib_ud_header_init(int payload_bytes,
int lrh_present,
int eth_present,
int grh_present,
int immediate_present,
struct ib_ud_header *header);
int ib_ud_header_pack(struct ib_ud_header *header,