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nvme-fabrics: allow user passing header digest

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Header digest is a nvme-tcp specific feature, but nothing prevents other
transports reusing the concept so do not associate with tcp transport
solely.

Signed-off-by: Sagi Grimberg <sagi@lightbitslabs.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sagi Grimberg 2018-12-03 17:52:12 -08:00 committed by Christoph Hellwig
parent 1672ddb8d6
commit 3b49fa8072
2 changed files with 7 additions and 0 deletions
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5
drivers/nvme/host/fabrics.c
View file

@ -614,6 +614,7 @@ static const match_table_t opt_tokens = {
{ NVMF_OPT_HOST_ID, "hostid=%s" },
{ NVMF_OPT_DUP_CONNECT, "duplicate_connect" },
{ NVMF_OPT_DISABLE_SQFLOW, "disable_sqflow" },
{ NVMF_OPT_HDR_DIGEST, "hdr_digest" },
{ NVMF_OPT_ERR, NULL }
};
@ -633,6 +634,7 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts,
opts->reconnect_delay = NVMF_DEF_RECONNECT_DELAY;
opts->kato = NVME_DEFAULT_KATO;
opts->duplicate_connect = false;
opts->hdr_digest = false;
options = o = kstrdup(buf, GFP_KERNEL);
if (!options)
@ -827,6 +829,9 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts,
case NVMF_OPT_DISABLE_SQFLOW:
opts->disable_sqflow = true;
break;
case NVMF_OPT_HDR_DIGEST:
opts->hdr_digest = true;
break;
default:
pr_warn("unknown parameter or missing value '%s' in ctrl creation request\n",
p);

2
drivers/nvme/host/fabrics.h
View file

@ -59,6 +59,7 @@ enum {
NVMF_OPT_HOST_ID = 1 << 12,
NVMF_OPT_DUP_CONNECT = 1 << 13,
NVMF_OPT_DISABLE_SQFLOW = 1 << 14,
NVMF_OPT_HDR_DIGEST = 1 << 15,
};
/**
@ -103,6 +104,7 @@ struct nvmf_ctrl_options {
struct nvmf_host *host;
int max_reconnects;
bool disable_sqflow;
bool hdr_digest;
};
/*