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Date: Thu, 29 Oct 2009 17:17:09 +0000
From: Ben Hutchings <bhutchings@...arflare.com>
To: David Miller <davem@...emloft.net>
Cc: Herbert Xu <herbert@...dor.apana.org.au>, netdev@...r.kernel.org,
linux-net-drivers@...arflare.com
Subject: [PATCH 1/4] gro: Name the GRO result enumeration type
This clarifies which return and parameter types are GRO result codes
and not RX result codes.
Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
include/linux/netdevice.h | 10 ++++++----
net/8021q/vlan_core.c | 5 +++--
net/core/dev.c | 12 +++++++-----
3 files changed, 16 insertions(+), 11 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8380009..9fdf48e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -348,13 +348,14 @@ enum
NAPI_STATE_NPSVC, /* Netpoll - don't dequeue from poll_list */
};
-enum {
+enum gro_result {
GRO_MERGED,
GRO_MERGED_FREE,
GRO_HELD,
GRO_NORMAL,
GRO_DROP,
};
+typedef enum gro_result gro_result_t;
extern void __napi_schedule(struct napi_struct *n);
@@ -1467,16 +1468,17 @@ extern int netif_rx_ni(struct sk_buff *skb);
#define HAVE_NETIF_RECEIVE_SKB 1
extern int netif_receive_skb(struct sk_buff *skb);
extern void napi_gro_flush(struct napi_struct *napi);
-extern int dev_gro_receive(struct napi_struct *napi,
+extern gro_result_t dev_gro_receive(struct napi_struct *napi,
struct sk_buff *skb);
-extern int napi_skb_finish(int ret, struct sk_buff *skb);
+extern int napi_skb_finish(gro_result_t ret, struct sk_buff *skb);
extern int napi_gro_receive(struct napi_struct *napi,
struct sk_buff *skb);
extern void napi_reuse_skb(struct napi_struct *napi,
struct sk_buff *skb);
extern struct sk_buff * napi_get_frags(struct napi_struct *napi);
extern int napi_frags_finish(struct napi_struct *napi,
- struct sk_buff *skb, int ret);
+ struct sk_buff *skb,
+ gro_result_t ret);
extern struct sk_buff * napi_frags_skb(struct napi_struct *napi);
extern int napi_gro_frags(struct napi_struct *napi);
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 7f7de1a..47a80d6 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -74,8 +74,9 @@ u16 vlan_dev_vlan_id(const struct net_device *dev)
}
EXPORT_SYMBOL(vlan_dev_vlan_id);
-static int vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
- unsigned int vlan_tci, struct sk_buff *skb)
+static gro_result_t
+vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
+ unsigned int vlan_tci, struct sk_buff *skb)
{
struct sk_buff *p;
diff --git a/net/core/dev.c b/net/core/dev.c
index 28b0b9e..421dc93 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2439,7 +2439,7 @@ void napi_gro_flush(struct napi_struct *napi)
}
EXPORT_SYMBOL(napi_gro_flush);
-int dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
+enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
{
struct sk_buff **pp = NULL;
struct packet_type *ptype;
@@ -2447,7 +2447,7 @@ int dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
struct list_head *head = &ptype_base[ntohs(type) & PTYPE_HASH_MASK];
int same_flow;
int mac_len;
- int ret;
+ enum gro_result ret;
if (!(skb->dev->features & NETIF_F_GRO))
goto normal;
@@ -2531,7 +2531,8 @@ normal:
}
EXPORT_SYMBOL(dev_gro_receive);
-static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
+static gro_result_t
+__napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
{
struct sk_buff *p;
@@ -2548,7 +2549,7 @@ static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
return dev_gro_receive(napi, skb);
}
-int napi_skb_finish(int ret, struct sk_buff *skb)
+int napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
{
int err = NET_RX_SUCCESS;
@@ -2615,7 +2616,8 @@ struct sk_buff *napi_get_frags(struct napi_struct *napi)
}
EXPORT_SYMBOL(napi_get_frags);
-int napi_frags_finish(struct napi_struct *napi, struct sk_buff *skb, int ret)
+int napi_frags_finish(struct napi_struct *napi, struct sk_buff *skb,
+ gro_result_t ret)
{
int err = NET_RX_SUCCESS;
--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
--
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