[PATCH 07/11] nvme-fabrics: allow user passing header digest
From: Sagi Grimberg <hidden>
Date: 2018-11-15 17:17:03
Also in:
linux-block, linux-nvme
Subsystem:
nvm express driver, the rest · Maintainers:
Keith Busch, Jens Axboe, Christoph Hellwig, Sagi Grimberg, Linus Torvalds
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 <redacted> --- drivers/nvme/host/fabrics.c | 5 +++++ drivers/nvme/host/fabrics.h | 2 ++ 2 files changed, 7 insertions(+)
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index b78d1a674abc..9a8b57b3b2c1 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c@@ -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);
diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h
index ecd9a006a091..a6127f1a9e8e 100644
--- a/drivers/nvme/host/fabrics.h
+++ b/drivers/nvme/host/fabrics.h@@ -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; }; /*
--
2.17.1