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Commit cafdc45c authored by John Crispin's avatar John Crispin Committed by David S. Miller
Browse files

net-next: dsa: add Qualcomm tag RX/TX handler 



Add support for the 2-bytes Qualcomm tag that gigabit switches such as
the QCA8337/N might insert when receiving packets, or that we need
to insert while targeting specific switch ports. The tag is inserted
directly behind the ethernet header.

Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarJohn Crispin <john@phrozen.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e5dcad29

include/net/dsa.h

+1 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ enum dsa_tag_protocol { 
	DSA_TAG_PROTO_TRAILER,

	DSA_TAG_PROTO_EDSA,

	DSA_TAG_PROTO_BRCM,

	DSA_TAG_PROTO_QCA,

	DSA_TAG_LAST,		/* MUST BE LAST */

};

net/dsa/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -38,4 +38,7 @@ config NET_DSA_TAG_EDSA 
config NET_DSA_TAG_TRAILER

	bool



config NET_DSA_TAG_QCA

	bool



endif

net/dsa/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -7,3 +7,4 @@ dsa_core-$(CONFIG_NET_DSA_TAG_BRCM) += tag_brcm.o 
dsa_core-$(CONFIG_NET_DSA_TAG_DSA) += tag_dsa.o

dsa_core-$(CONFIG_NET_DSA_TAG_EDSA) += tag_edsa.o

dsa_core-$(CONFIG_NET_DSA_TAG_TRAILER) += tag_trailer.o

dsa_core-$(CONFIG_NET_DSA_TAG_QCA) += tag_qca.o

net/dsa/dsa.c

+3 −0
Original line number Diff line number Diff line
@@ -53,6 +53,9 @@ const struct dsa_device_ops *dsa_device_ops[DSA_TAG_LAST] = { 
#endif

#ifdef CONFIG_NET_DSA_TAG_BRCM

	[DSA_TAG_PROTO_BRCM] = &brcm_netdev_ops,

#endif

#ifdef CONFIG_NET_DSA_TAG_QCA

	[DSA_TAG_PROTO_QCA] = &qca_netdev_ops,

#endif

	[DSA_TAG_PROTO_NONE] = &none_ops,

};

net/dsa/dsa_priv.h

+2 −0
Original line number Diff line number Diff line
@@ -81,5 +81,7 @@ extern const struct dsa_device_ops trailer_netdev_ops; 
/* tag_brcm.c */

extern const struct dsa_device_ops brcm_netdev_ops;



/* tag_qca.c */

extern const struct dsa_device_ops qca_netdev_ops;



#endif