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dsa: Move tagger name into its ops structure

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Rather than keep a list to map a tagger ops to a name, place the name
into the ops structure. This removes the hard coded list, a step
towards making the taggers more dynamic.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>

v2:
Move name to end of structure, keeping the hot entries at the beginning.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2019-04-28 19:37:11 +02:00 committed by David S. Miller
parent dfedd3b624
commit 875138f81d
11 changed files with 14 additions and 43 deletions
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1
include/net/dsa.h
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@ -56,6 +56,7 @@ struct dsa_device_ops {
int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto,
int *offset);
unsigned int overhead;
const char *name;
};
struct dsa_switch_tree {

45
net/dsa/dsa.c
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@ -35,6 +35,7 @@ static struct sk_buff *dsa_slave_notag_xmit(struct sk_buff *skb,
}
static const struct dsa_device_ops none_ops = {
.name = "none",
.xmit = dsa_slave_notag_xmit,
.rcv = NULL,
};
@ -76,49 +77,7 @@ const struct dsa_device_ops *dsa_device_ops[DSA_TAG_LAST] = {
const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops)
{
const char *protocol_name[DSA_TAG_LAST] = {
#ifdef CONFIG_NET_DSA_TAG_BRCM
[DSA_TAG_PROTO_BRCM] = "brcm",
#endif
#ifdef CONFIG_NET_DSA_TAG_BRCM_PREPEND
[DSA_TAG_PROTO_BRCM_PREPEND] = "brcm-prepend",
#endif
#ifdef CONFIG_NET_DSA_TAG_DSA
[DSA_TAG_PROTO_DSA] = "dsa",
#endif
#ifdef CONFIG_NET_DSA_TAG_EDSA
[DSA_TAG_PROTO_EDSA] = "edsa",
#endif
#ifdef CONFIG_NET_DSA_TAG_GSWIP
[DSA_TAG_PROTO_GSWIP] = "gswip",
#endif
#ifdef CONFIG_NET_DSA_TAG_KSZ9477
[DSA_TAG_PROTO_KSZ9477] = "ksz9477",
[DSA_TAG_PROTO_KSZ9893] = "ksz9893",
#endif
#ifdef CONFIG_NET_DSA_TAG_LAN9303
[DSA_TAG_PROTO_LAN9303] = "lan9303",
#endif
#ifdef CONFIG_NET_DSA_TAG_MTK
[DSA_TAG_PROTO_MTK] = "mtk",
#endif
#ifdef CONFIG_NET_DSA_TAG_QCA
[DSA_TAG_PROTO_QCA] = "qca",
#endif
#ifdef CONFIG_NET_DSA_TAG_TRAILER
[DSA_TAG_PROTO_TRAILER] = "trailer",
#endif
[DSA_TAG_PROTO_NONE] = "none",
};
unsigned int i;
BUILD_BUG_ON(ARRAY_SIZE(protocol_name) != DSA_TAG_LAST);
for (i = 0; i < ARRAY_SIZE(dsa_device_ops); i++)
if (ops == dsa_device_ops[i])
return protocol_name[i];
return protocol_name[DSA_TAG_PROTO_NONE];
return ops->name;
};
const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol)

2
net/dsa/tag_brcm.c
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@ -168,6 +168,7 @@ static struct sk_buff *brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
}
const struct dsa_device_ops brcm_netdev_ops = {
.name = "brcm",
.xmit = brcm_tag_xmit,
.rcv = brcm_tag_rcv,
.overhead = BRCM_TAG_LEN,
@ -191,6 +192,7 @@ static struct sk_buff *brcm_tag_rcv_prepend(struct sk_buff *skb,
}
const struct dsa_device_ops brcm_prepend_netdev_ops = {
.name = "brcm-prepend",
.xmit = brcm_tag_xmit_prepend,
.rcv = brcm_tag_rcv_prepend,
.overhead = BRCM_TAG_LEN,

1
net/dsa/tag_dsa.c
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@ -151,6 +151,7 @@ static int dsa_tag_flow_dissect(const struct sk_buff *skb, __be16 *proto,
}
const struct dsa_device_ops dsa_netdev_ops = {
.name = "dsa",
.xmit = dsa_xmit,
.rcv = dsa_rcv,
.flow_dissect = dsa_tag_flow_dissect,

1
net/dsa/tag_edsa.c
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@ -170,6 +170,7 @@ static int edsa_tag_flow_dissect(const struct sk_buff *skb, __be16 *proto,
}
const struct dsa_device_ops edsa_netdev_ops = {
.name = "edsa",
.xmit = edsa_xmit,
.rcv = edsa_rcv,
.flow_dissect = edsa_tag_flow_dissect,

1
net/dsa/tag_gswip.c
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@ -104,6 +104,7 @@ static struct sk_buff *gswip_tag_rcv(struct sk_buff *skb,
}
const struct dsa_device_ops gswip_netdev_ops = {
.name = "gwsip",
.xmit = gswip_tag_xmit,
.rcv = gswip_tag_rcv,
.overhead = GSWIP_RX_HEADER_LEN,

2
net/dsa/tag_ksz.c
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@ -134,6 +134,7 @@ static struct sk_buff *ksz9477_rcv(struct sk_buff *skb, struct net_device *dev,
}
const struct dsa_device_ops ksz9477_netdev_ops = {
.name = "ksz9477",
.xmit = ksz9477_xmit,
.rcv = ksz9477_rcv,
.overhead = KSZ9477_INGRESS_TAG_LEN,
@ -167,6 +168,7 @@ static struct sk_buff *ksz9893_xmit(struct sk_buff *skb,
}
const struct dsa_device_ops ksz9893_netdev_ops = {
.name = "ksz9893",
.xmit = ksz9893_xmit,
.rcv = ksz9477_rcv,
.overhead = KSZ_INGRESS_TAG_LEN,

1
net/dsa/tag_lan9303.c
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@ -129,6 +129,7 @@ static struct sk_buff *lan9303_rcv(struct sk_buff *skb, struct net_device *dev,
}
const struct dsa_device_ops lan9303_netdev_ops = {
.name = "lan9303",
.xmit = lan9303_xmit,
.rcv = lan9303_rcv,
.overhead = LAN9303_TAG_LEN,

1
net/dsa/tag_mtk.c
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@ -99,6 +99,7 @@ static int mtk_tag_flow_dissect(const struct sk_buff *skb, __be16 *proto,
}
const struct dsa_device_ops mtk_netdev_ops = {
.name = "mtk",
.xmit = mtk_tag_xmit,
.rcv = mtk_tag_rcv,
.flow_dissect = mtk_tag_flow_dissect,

1
net/dsa/tag_qca.c
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@ -100,6 +100,7 @@ static int qca_tag_flow_dissect(const struct sk_buff *skb, __be16 *proto,
}
const struct dsa_device_ops qca_netdev_ops = {
.name = "qca",
.xmit = qca_tag_xmit,
.rcv = qca_tag_rcv,
.flow_dissect = qca_tag_flow_dissect,

1
net/dsa/tag_trailer.c
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@ -78,6 +78,7 @@ static struct sk_buff *trailer_rcv(struct sk_buff *skb, struct net_device *dev,
}
const struct dsa_device_ops trailer_netdev_ops = {
.name = "trailer",
.xmit = trailer_xmit,
.rcv = trailer_rcv,
.overhead = 4,