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Message-Id: <1441745275-13200-3-git-send-email-vivien.didelot@savoirfairelinux.com>
Date: Tue, 8 Sep 2015 16:47:54 -0400
From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To: netdev@...r.kernel.org
Cc: Jiri Pirko <jiri@...nulli.us>, Scott Feldman <sfeldma@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Andrew Lunn <andrew@...n.ch>, kernel@...oirfairelinux.com,
Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [RFC PATCH net-next 2/3] net: switchdev: extract switchdev_obj_ipv4_fib
Move the switchdev_obj_ipv4_fib structure out of the switchdev_obj
union.
This lightens the switchdev_obj structure and allows drivers to access
the object transaction and callback directly from a
switchdev_obj_ipv4_fib. This is more consistent and convenient for add
and dump operations.
The patch updates the Rocker driver accordingly.
Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
drivers/net/ethernet/rocker/rocker.c | 4 ++--
include/net/switchdev.h | 21 +++++++++--------
net/switchdev/switchdev.c | 44 ++++++++++++++++--------------------
3 files changed, 34 insertions(+), 35 deletions(-)
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index e72d49a..41aabbc 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -4447,7 +4447,7 @@ static int rocker_port_obj_add(struct net_device *dev,
err = rocker_port_vlans_add(rocker_port, vlan);
break;
case SWITCHDEV_OBJ_IPV4_FIB:
- fib4 = &obj->u.ipv4_fib;
+ fib4 = (struct switchdev_obj_ipv4_fib *) obj;
err = rocker_port_fib_ipv4(rocker_port, obj->trans,
htonl(fib4->dst), fib4->dst_len,
fib4->fi, fib4->tb_id, 0);
@@ -4519,7 +4519,7 @@ static int rocker_port_obj_del(struct net_device *dev,
err = rocker_port_vlans_del(rocker_port, vlan);
break;
case SWITCHDEV_OBJ_IPV4_FIB:
- fib4 = &obj->u.ipv4_fib;
+ fib4 = (struct switchdev_obj_ipv4_fib *) obj;
err = rocker_port_fib_ipv4(rocker_port, SWITCHDEV_TRANS_NONE,
htonl(fib4->dst), fib4->dst_len,
fib4->fi, fib4->tb_id,
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 55fa106..0b76aa8 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -55,15 +55,6 @@ struct switchdev_obj {
enum switchdev_trans trans;
int (*cb)(struct net_device *dev, struct switchdev_obj *obj);
union {
- struct switchdev_obj_ipv4_fib { /* IPV4_FIB */
- u32 dst;
- int dst_len;
- struct fib_info *fi;
- u8 tos;
- u8 type;
- u32 nlflags;
- u32 tb_id;
- } ipv4_fib;
struct switchdev_obj_fdb { /* PORT_FDB */
const unsigned char *addr;
u16 vid;
@@ -80,6 +71,18 @@ struct switchdev_obj_vlan {
u16 vid_end;
};
+/* SWITCHDEV_OBJ_IPV4_FIB */
+struct switchdev_obj_ipv4_fib {
+ struct switchdev_obj obj; /* must be first */
+ u32 dst;
+ int dst_len;
+ struct fib_info *fi;
+ u8 tos;
+ u8 type;
+ u32 nlflags;
+ u32 tb_id;
+};
+
/**
* struct switchdev_ops - switchdev operations
*
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 9923a97..10fde6f 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -936,17 +936,15 @@ static struct net_device *switchdev_get_dev_by_nhs(struct fib_info *fi)
int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
u8 tos, u8 type, u32 nlflags, u32 tb_id)
{
- struct switchdev_obj fib_obj = {
- .id = SWITCHDEV_OBJ_IPV4_FIB,
- .u.ipv4_fib = {
- .dst = dst,
- .dst_len = dst_len,
- .fi = fi,
- .tos = tos,
- .type = type,
- .nlflags = nlflags,
- .tb_id = tb_id,
- },
+ struct switchdev_obj_ipv4_fib fib_obj = {
+ .obj.id = SWITCHDEV_OBJ_IPV4_FIB,
+ .dst = dst,
+ .dst_len = dst_len,
+ .fi = fi,
+ .tos = tos,
+ .type = type,
+ .nlflags = nlflags,
+ .tb_id = tb_id,
};
struct net_device *dev;
int err = 0;
@@ -967,7 +965,7 @@ int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
if (!dev)
return 0;
- err = switchdev_port_obj_add(dev, &fib_obj);
+ err = switchdev_port_obj_add(dev, &fib_obj.obj);
if (!err)
fi->fib_flags |= RTNH_F_OFFLOAD;
@@ -990,17 +988,15 @@ EXPORT_SYMBOL_GPL(switchdev_fib_ipv4_add);
int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
u8 tos, u8 type, u32 tb_id)
{
- struct switchdev_obj fib_obj = {
- .id = SWITCHDEV_OBJ_IPV4_FIB,
- .u.ipv4_fib = {
- .dst = dst,
- .dst_len = dst_len,
- .fi = fi,
- .tos = tos,
- .type = type,
- .nlflags = 0,
- .tb_id = tb_id,
- },
+ struct switchdev_obj_ipv4_fib fib_obj = {
+ .obj.id = SWITCHDEV_OBJ_IPV4_FIB,
+ .dst = dst,
+ .dst_len = dst_len,
+ .fi = fi,
+ .tos = tos,
+ .type = type,
+ .nlflags = 0,
+ .tb_id = tb_id,
};
struct net_device *dev;
int err = 0;
@@ -1012,7 +1008,7 @@ int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
if (!dev)
return 0;
- err = switchdev_port_obj_del(dev, &fib_obj);
+ err = switchdev_port_obj_del(dev, &fib_obj.obj);
if (!err)
fi->fib_flags &= ~RTNH_F_OFFLOAD;
--
2.5.1
--
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