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Date: Thu, 18 Apr 2019 04:31:07 +0200
From: Andrew Lunn <andrew@...n.ch>
To: David Miller <davem@...emloft.net>
Cc: netdev <netdev@...r.kernel.org>,
Florian Fainelli <f.fainelli@...il.com>,
Vivien Didelot <vivien.didelot@...il.com>,
Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next 02/15] dsa: Move tagger name into its ops structure
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 stop
towards making the taggers more dynamic.
Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
include/net/dsa.h | 1 +
net/dsa/dsa.c | 45 ++-----------------------------------------
net/dsa/tag_brcm.c | 2 ++
net/dsa/tag_dsa.c | 1 +
net/dsa/tag_edsa.c | 1 +
net/dsa/tag_gswip.c | 1 +
net/dsa/tag_ksz.c | 2 ++
net/dsa/tag_lan9303.c | 1 +
net/dsa/tag_mtk.c | 1 +
net/dsa/tag_qca.c | 1 +
net/dsa/tag_trailer.c | 1 +
11 files changed, 14 insertions(+), 43 deletions(-)
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 0cfc2f828b87..9bcbbde0f61d 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -50,6 +50,7 @@ struct packet_type;
struct dsa_switch;
struct dsa_device_ops {
+ const char *name;
struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev);
struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt);
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 36de4f2a3366..92b3cd129eb7 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -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)
diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
index b3063e7adb73..1b7dfbe6b3ae 100644
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -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,
diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c
index fdaf850831e2..e1c90709de6c 100644
--- a/net/dsa/tag_dsa.c
+++ b/net/dsa/tag_dsa.c
@@ -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,
diff --git a/net/dsa/tag_edsa.c b/net/dsa/tag_edsa.c
index df879445f658..b936b4660b71 100644
--- a/net/dsa/tag_edsa.c
+++ b/net/dsa/tag_edsa.c
@@ -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,
diff --git a/net/dsa/tag_gswip.c b/net/dsa/tag_gswip.c
index cb6f82ffe5eb..d1c1e7db87b6 100644
--- a/net/dsa/tag_gswip.c
+++ b/net/dsa/tag_gswip.c
@@ -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,
diff --git a/net/dsa/tag_ksz.c b/net/dsa/tag_ksz.c
index 12b2f58786ee..631094599514 100644
--- a/net/dsa/tag_ksz.c
+++ b/net/dsa/tag_ksz.c
@@ -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,
diff --git a/net/dsa/tag_lan9303.c b/net/dsa/tag_lan9303.c
index 7bfd3165e46e..67d70339536d 100644
--- a/net/dsa/tag_lan9303.c
+++ b/net/dsa/tag_lan9303.c
@@ -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,
diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c
index 6e06fa621bbc..dc537d9a18c0 100644
--- a/net/dsa/tag_mtk.c
+++ b/net/dsa/tag_mtk.c
@@ -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,
diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c
index de3eb1022e21..f62296ffc5b7 100644
--- a/net/dsa/tag_qca.c
+++ b/net/dsa/tag_qca.c
@@ -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,
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index 492a30046281..20ee7f84fe4d 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -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,
--
2.20.1
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