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Commit 872d26a3 authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Christoph Hellwig
Browse files

nvmet-tcp: add NVMe over TCP target driver 



This patch implements the TCP transport driver for the NVMe over Fabrics
target stack. This allows exporting NVMe over Fabrics functionality over
good old TCP/IP.

The driver implements the TP 8000 of how nvme over fabrics capsules and
data are encapsulated in nvme-tcp pdus and exchaged on top of a TCP byte
stream. nvme-tcp header and data digest are supported as well.

Signed-off-by: default avatarSagi Grimberg <sagi@lightbitslabs.com>
Signed-off-by: default avatarRoy Shterman <roys@lightbitslabs.com>
Signed-off-by: default avatarSolganik Alexander <sashas@lightbitslabs.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent fc221d05

drivers/nvme/target/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -60,3 +60,13 @@ config NVME_TARGET_FCLOOP 
	  to test NVMe-FC transport interfaces.



	  If unsure, say N.



config NVME_TARGET_TCP

	tristate "NVMe over Fabrics TCP target support"

	depends on INET

	depends on NVME_TARGET

	help

	  This enables the NVMe TCP target support, which allows exporting NVMe

	  devices over TCP.



	  If unsure, say N.

drivers/nvme/target/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ obj-$(CONFIG_NVME_TARGET_LOOP) += nvme-loop.o 
obj-$(CONFIG_NVME_TARGET_RDMA)		+= nvmet-rdma.o

obj-$(CONFIG_NVME_TARGET_FC)		+= nvmet-fc.o

obj-$(CONFIG_NVME_TARGET_FCLOOP)	+= nvme-fcloop.o

obj-$(CONFIG_NVME_TARGET_TCP)		+= nvmet-tcp.o



nvmet-y		+= core.o configfs.o admin-cmd.o fabrics-cmd.o \

			discovery.o io-cmd-file.o io-cmd-bdev.o
@@ -12,3 +13,4 @@ nvme-loop-y += loop.o 
nvmet-rdma-y	+= rdma.o

nvmet-fc-y	+= fc.o

nvme-fcloop-y	+= fcloop.o

nvmet-tcp-y	+= tcp.o

drivers/nvme/target/tcp.c

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+1737 −0

File added.

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