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Date: Thu, 27 Aug 2020 08:50:19 +0200
From: Fabian Frederick <fabf@...net.be>
To: davem@...emloft.net, kuba@...nel.org
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
Fabian Frederick <fabf@...net.be>
Subject: [PATCH 5/7 net-next] vxlan: add VXLAN_NL2FLAG macro
Replace common flag assignment with a macro.
This could yet be simplified with changelink/supported but it would
remove clarity
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
drivers/net/vxlan.c | 113 +++++---------------------------------------
include/net/vxlan.h | 10 ++++
2 files changed, 23 insertions(+), 100 deletions(-)
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 1e9ab1002281c..e9b561b9d23e1 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -4034,14 +4034,7 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[],
if (data[IFLA_VXLAN_TTL])
conf->ttl = nla_get_u8(data[IFLA_VXLAN_TTL]);
- if (data[IFLA_VXLAN_TTL_INHERIT]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_TTL_INHERIT,
- VXLAN_F_TTL_INHERIT, changelink, false,
- extack);
- if (err)
- return err;
-
- }
+ VXLAN_NL2FLAG(IFLA_VXLAN_TTL_INHERIT, VXLAN_F_TTL_INHERIT, changelink, false);
if (data[IFLA_VXLAN_LABEL])
conf->label = nla_get_be32(data[IFLA_VXLAN_LABEL]) &
@@ -4061,37 +4054,10 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[],
if (data[IFLA_VXLAN_AGEING])
conf->age_interval = nla_get_u32(data[IFLA_VXLAN_AGEING]);
- if (data[IFLA_VXLAN_PROXY]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_PROXY,
- VXLAN_F_PROXY, changelink, false,
- extack);
- if (err)
- return err;
- }
-
- if (data[IFLA_VXLAN_RSC]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_RSC,
- VXLAN_F_RSC, changelink, false,
- extack);
- if (err)
- return err;
- }
-
- if (data[IFLA_VXLAN_L2MISS]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_L2MISS,
- VXLAN_F_L2MISS, changelink, false,
- extack);
- if (err)
- return err;
- }
-
- if (data[IFLA_VXLAN_L3MISS]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_L3MISS,
- VXLAN_F_L3MISS, changelink, false,
- extack);
- if (err)
- return err;
- }
+ VXLAN_NL2FLAG(IFLA_VXLAN_PROXY, VXLAN_F_PROXY, changelink, false);
+ VXLAN_NL2FLAG(IFLA_VXLAN_RSC, VXLAN_F_RSC, changelink, false);
+ VXLAN_NL2FLAG(IFLA_VXLAN_L2MISS, VXLAN_F_L2MISS, changelink, false);
+ VXLAN_NL2FLAG(IFLA_VXLAN_L3MISS, VXLAN_F_L3MISS, changelink, false);
if (data[IFLA_VXLAN_LIMIT]) {
if (changelink) {
@@ -4102,13 +4068,7 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[],
conf->addrmax = nla_get_u32(data[IFLA_VXLAN_LIMIT]);
}
- if (data[IFLA_VXLAN_COLLECT_METADATA]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_COLLECT_METADATA,
- VXLAN_F_COLLECT_METADATA, changelink, false,
- extack);
- if (err)
- return err;
- }
+ VXLAN_NL2FLAG(IFLA_VXLAN_COLLECT_METADATA, VXLAN_F_COLLECT_METADATA, changelink, false);
if (data[IFLA_VXLAN_PORT_RANGE]) {
if (!changelink) {
@@ -4142,60 +4102,13 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[],
conf->flags |= VXLAN_F_UDP_ZERO_CSUM_TX;
}
- if (data[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
- VXLAN_F_UDP_ZERO_CSUM6_TX, changelink,
- false, extack);
- if (err)
- return err;
- }
-
- if (data[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
- VXLAN_F_UDP_ZERO_CSUM6_RX, changelink,
- false, extack);
- if (err)
- return err;
- }
-
- if (data[IFLA_VXLAN_REMCSUM_TX]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_REMCSUM_TX,
- VXLAN_F_REMCSUM_TX, changelink, false,
- extack);
- if (err)
- return err;
- }
-
- if (data[IFLA_VXLAN_REMCSUM_RX]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_REMCSUM_RX,
- VXLAN_F_REMCSUM_RX, changelink, false,
- extack);
- if (err)
- return err;
- }
-
- if (data[IFLA_VXLAN_GBP]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_GBP,
- VXLAN_F_GBP, changelink, false, extack);
- if (err)
- return err;
- }
-
- if (data[IFLA_VXLAN_GPE]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_GPE,
- VXLAN_F_GPE, changelink, false,
- extack);
- if (err)
- return err;
- }
-
- if (data[IFLA_VXLAN_REMCSUM_NOPARTIAL]) {
- err = vxlan_nl2flag(conf, data, IFLA_VXLAN_REMCSUM_NOPARTIAL,
- VXLAN_F_REMCSUM_NOPARTIAL, changelink,
- false, extack);
- if (err)
- return err;
- }
+ VXLAN_NL2FLAG(IFLA_VXLAN_UDP_ZERO_CSUM6_TX, VXLAN_F_UDP_ZERO_CSUM6_TX, changelink, false);
+ VXLAN_NL2FLAG(IFLA_VXLAN_UDP_ZERO_CSUM6_RX, VXLAN_F_UDP_ZERO_CSUM6_RX, changelink, false);
+ VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_TX, IFLA_VXLAN_REMCSUM_TX, changelink, false);
+ VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_RX, VXLAN_F_REMCSUM_RX, changelink, false);
+ VXLAN_NL2FLAG(IFLA_VXLAN_GBP, VXLAN_F_GBP, changelink, false);
+ VXLAN_NL2FLAG(IFLA_VXLAN_GPE, VXLAN_F_GPE, changelink, false);
+ VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_NOPARTIAL, VXLAN_F_REMCSUM_NOPARTIAL, changelink, false);
if (tb[IFLA_MTU]) {
if (changelink) {
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 3a41627cbdfe5..8a56b7a0f75f9 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -290,6 +290,16 @@ struct vxlan_dev {
VXLAN_F_UDP_ZERO_CSUM6_RX | \
VXLAN_F_COLLECT_METADATA)
+
+#define VXLAN_NL2FLAG(iflag, flag, changelink, changelink_supported) { \
+ if (data[iflag]) { \
+ err = vxlan_nl2flag(conf, data, iflag, flag, changelink, \
+ changelink_supported, extack); \
+ if (err) \
+ return err; \
+ } \
+}
+
struct net_device *vxlan_dev_create(struct net *net, const char *name,
u8 name_assign_type, struct vxlan_config *conf);
--
2.27.0
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