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RDMA/core: Remove unused ib_ud_header_unpack 

ib_ud_header_unpack() is unused, and I can't see any sign of it
ever having been used in git.  The only reference I can find
is from December 2004 BKrev: 41d30034XNbBUl0XnyC6ig9V61Nf-A when
it looks like it was added.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20241221014021.343979-2-linux@treblig.org
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Dr. David Alan Gilbert 2024-12-21 01:40:18 +00:00 committed by Leon Romanovsky
parent 695df3e833
commit 30dd62fa39
2 changed files with 0 additions and 86 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
drivers/infiniband/core/ud_header.c
View File

@ -462,86 +462,3 @@ int ib_ud_header_pack(struct ib_ud_header *header,
return len;
}
EXPORT_SYMBOL(ib_ud_header_pack);
/**
* ib_ud_header_unpack - Unpack UD header struct from wire format
* @header:UD header struct
* @buf:Buffer to pack into
*
* ib_ud_header_pack() unpacks the UD header structure @header from wire
* format in the buffer @buf.
*/
int ib_ud_header_unpack(void *buf,
struct ib_ud_header *header)
{
ib_unpack(lrh_table, ARRAY_SIZE(lrh_table),
buf, &header->lrh);
buf += IB_LRH_BYTES;
if (header->lrh.link_version != 0) {
pr_warn("Invalid LRH.link_version %u\n",
header->lrh.link_version);
return -EINVAL;
}
switch (header->lrh.link_next_header) {
case IB_LNH_IBA_LOCAL:
header->grh_present = 0;
break;
case IB_LNH_IBA_GLOBAL:
header->grh_present = 1;
ib_unpack(grh_table, ARRAY_SIZE(grh_table),
buf, &header->grh);
buf += IB_GRH_BYTES;
if (header->grh.ip_version != 6) {
pr_warn("Invalid GRH.ip_version %u\n",
header->grh.ip_version);
return -EINVAL;
}
if (header->grh.next_header != 0x1b) {
pr_warn("Invalid GRH.next_header 0x%02x\n",
header->grh.next_header);
return -EINVAL;
}
break;
default:
pr_warn("Invalid LRH.link_next_header %u\n",
header->lrh.link_next_header);
return -EINVAL;
}
ib_unpack(bth_table, ARRAY_SIZE(bth_table),
buf, &header->bth);
buf += IB_BTH_BYTES;
switch (header->bth.opcode) {
case IB_OPCODE_UD_SEND_ONLY:
header->immediate_present = 0;
break;
case IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE:
header->immediate_present = 1;
break;
default:
pr_warn("Invalid BTH.opcode 0x%02x\n", header->bth.opcode);
return -EINVAL;
}
if (header->bth.transport_header_version != 0) {
pr_warn("Invalid BTH.transport_header_version %u\n",
header->bth.transport_header_version);
return -EINVAL;
}
ib_unpack(deth_table, ARRAY_SIZE(deth_table),
buf, &header->deth);
buf += IB_DETH_BYTES;
if (header->immediate_present)
memcpy(&header->immediate_data, buf, sizeof header->immediate_data);
return 0;
}
EXPORT_SYMBOL(ib_ud_header_unpack);

3
include/rdma/ib_pack.h
View File

@ -283,7 +283,4 @@ int ib_ud_header_init(int payload_bytes,
int ib_ud_header_pack(struct ib_ud_header *header,
void *buf);
int ib_ud_header_unpack(void *buf,
struct ib_ud_header *header);
#endif /* IB_PACK_H */