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Date: Tue, 22 Mar 2016 19:35:17 +0100
From: Phil Sutter <phil@....cc>
To: Stephen Hemminger <shemming@...cade.com>
Cc: netdev@...r.kernel.org
Subject: [iproute PATCH 5/7] lib/utils: introduce format_host_rta()
This simple macro eases calling format_host() with data from an rt_attr
pointer.
Signed-off-by: Phil Sutter <phil@....cc>
---
include/utils.h | 2 ++
ip/ipaddress.c | 20 ++++++++------------
ip/ipaddrlabel.c | 5 ++---
ip/ipneigh.c | 4 +---
ip/iproute.c | 33 +++++++++++----------------------
ip/iproute_lwtunnel.c | 5 ++---
ip/iprule.c | 16 ++++++----------
ip/iptoken.c | 9 +++------
8 files changed, 35 insertions(+), 59 deletions(-)
diff --git a/include/utils.h b/include/utils.h
index bc2cbce0cc303..ebb80c9c20b6d 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -125,6 +125,8 @@ int af_byte_len(int af);
const char *format_host_r(int af, int len, const void *addr,
char *buf, int buflen);
const char *format_host(int af, int lne, const void *addr);
+#define format_host_rta(af, rta) \
+ format_host(af, RTA_PAYLOAD(rta), RTA_DATA(rta))
const char *rt_addr_n2a_r(int af, int len, const void *addr,
char *buf, int buflen);
const char *rt_addr_n2a(int af, int len, const void *addr);
diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index 03c8c03cd4a17..3998d8cec4ab2 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -1058,18 +1058,16 @@ int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
if (rta_tb[IFA_LOCAL]) {
color_fprintf(fp, ifa_family_color(ifa->ifa_family), "%s",
- format_host(ifa->ifa_family,
- RTA_PAYLOAD(rta_tb[IFA_LOCAL]),
- RTA_DATA(rta_tb[IFA_LOCAL])));
+ format_host_rta(ifa->ifa_family,
+ rta_tb[IFA_LOCAL]));
if (rta_tb[IFA_ADDRESS] &&
memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]),
RTA_DATA(rta_tb[IFA_LOCAL]),
ifa->ifa_family == AF_INET ? 4 : 16)) {
fprintf(fp, " peer ");
color_fprintf(fp, ifa_family_color(ifa->ifa_family),
- "%s", format_host(ifa->ifa_family,
- RTA_PAYLOAD(rta_tb[IFA_ADDRESS]),
- RTA_DATA(rta_tb[IFA_ADDRESS])));
+ "%s", format_host_rta(ifa->ifa_family,
+ rta_tb[IFA_ADDRESS]));
}
fprintf(fp, "/%d ", ifa->ifa_prefixlen);
}
@@ -1080,16 +1078,14 @@ int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
if (rta_tb[IFA_BROADCAST]) {
fprintf(fp, "brd ");
color_fprintf(fp, ifa_family_color(ifa->ifa_family), "%s ",
- format_host(ifa->ifa_family,
- RTA_PAYLOAD(rta_tb[IFA_BROADCAST]),
- RTA_DATA(rta_tb[IFA_BROADCAST])));
+ format_host_rta(ifa->ifa_family,
+ rta_tb[IFA_BROADCAST]));
}
if (rta_tb[IFA_ANYCAST]) {
fprintf(fp, "any ");
color_fprintf(fp, ifa_family_color(ifa->ifa_family), "%s ",
- format_host(ifa->ifa_family,
- RTA_PAYLOAD(rta_tb[IFA_ANYCAST]),
- RTA_DATA(rta_tb[IFA_ANYCAST])));
+ format_host_rta(ifa->ifa_family,
+ rta_tb[IFA_ANYCAST]));
}
fprintf(fp, "scope %s ", rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1)));
if (ifa_flags & IFA_F_SECONDARY) {
diff --git a/ip/ipaddrlabel.c b/ip/ipaddrlabel.c
index 6076bb952297f..b4cd784094719 100644
--- a/ip/ipaddrlabel.c
+++ b/ip/ipaddrlabel.c
@@ -75,9 +75,8 @@ int print_addrlabel(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg
if (tb[IFAL_ADDRESS]) {
fprintf(fp, "prefix %s/%u ",
- format_host(ifal->ifal_family,
- RTA_PAYLOAD(tb[IFAL_ADDRESS]),
- RTA_DATA(tb[IFAL_ADDRESS])),
+ format_host_rta(ifal->ifal_family,
+ tb[IFAL_ADDRESS]),
ifal->ifal_prefixlen);
}
diff --git a/ip/ipneigh.c b/ip/ipneigh.c
index 583aad30dc820..c49fb4e7f7b58 100644
--- a/ip/ipneigh.c
+++ b/ip/ipneigh.c
@@ -278,9 +278,7 @@ int print_neigh(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
fprintf(fp, "miss ");
if (tb[NDA_DST]) {
fprintf(fp, "%s ",
- format_host(r->ndm_family,
- RTA_PAYLOAD(tb[NDA_DST]),
- RTA_DATA(tb[NDA_DST])));
+ format_host_rta(r->ndm_family, tb[NDA_DST]));
}
if (!filter.index && r->ndm_ifindex)
fprintf(fp, "dev %s ", ll_index_to_name(r->ndm_ifindex));
diff --git a/ip/iproute.c b/ip/iproute.c
index 1ec9294290b2a..67d551b54d00c 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -376,10 +376,8 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
r->rtm_dst_len
);
} else {
- fprintf(fp, "%s ", format_host(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_DST]),
- RTA_DATA(tb[RTA_DST]))
- );
+ fprintf(fp, "%s ",
+ format_host_rta(r->rtm_family, tb[RTA_DST]));
}
} else if (r->rtm_dst_len) {
fprintf(fp, "0/%d ", r->rtm_dst_len);
@@ -394,19 +392,15 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
r->rtm_src_len
);
} else {
- fprintf(fp, "from %s ", format_host(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_SRC]),
- RTA_DATA(tb[RTA_SRC]))
- );
+ fprintf(fp, "from %s ",
+ format_host_rta(r->rtm_family, tb[RTA_SRC]));
}
} else if (r->rtm_src_len) {
fprintf(fp, "from 0/%u ", r->rtm_src_len);
}
if (tb[RTA_NEWDST]) {
- fprintf(fp, "as to %s ", format_host(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_NEWDST]),
- RTA_DATA(tb[RTA_NEWDST]))
- );
+ fprintf(fp, "as to %s ",
+ format_host_rta(r->rtm_family, tb[RTA_NEWDST]));
}
if (tb[RTA_ENCAP])
@@ -419,9 +413,7 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
if (tb[RTA_GATEWAY] && filter.rvia.bitlen != host_len) {
fprintf(fp, "via %s ",
- format_host(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_GATEWAY]),
- RTA_DATA(tb[RTA_GATEWAY])));
+ format_host_rta(r->rtm_family, tb[RTA_GATEWAY]));
}
if (tb[RTA_VIA]) {
size_t len = RTA_PAYLOAD(tb[RTA_VIA]) - 2;
@@ -653,16 +645,13 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
tb[RTA_ENCAP]);
if (tb[RTA_NEWDST]) {
fprintf(fp, " as to %s ",
- format_host(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_NEWDST]),
- RTA_DATA(tb[RTA_NEWDST]),
- abuf, sizeof(abuf)));
+ format_host_rta(r->rtm_family,
+ tb[RTA_NEWDST]));
}
if (tb[RTA_GATEWAY]) {
fprintf(fp, " via %s ",
- format_host(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_GATEWAY]),
- RTA_DATA(tb[RTA_GATEWAY])));
+ format_host_rta(r->rtm_family,
+ tb[RTA_GATEWAY]));
}
if (tb[RTA_VIA]) {
size_t len = RTA_PAYLOAD(tb[RTA_VIA]) - 2;
diff --git a/ip/iproute_lwtunnel.c b/ip/iproute_lwtunnel.c
index 53d3ad4e6ea8e..56af9e4e92ecd 100644
--- a/ip/iproute_lwtunnel.c
+++ b/ip/iproute_lwtunnel.c
@@ -62,9 +62,8 @@ static void print_encap_mpls(FILE *fp, struct rtattr *encap)
parse_rtattr_nested(tb, MPLS_IPTUNNEL_MAX, encap);
if (tb[MPLS_IPTUNNEL_DST])
- fprintf(fp, " %s ", format_host(AF_MPLS,
- RTA_PAYLOAD(tb[MPLS_IPTUNNEL_DST]),
- RTA_DATA(tb[MPLS_IPTUNNEL_DST])));
+ fprintf(fp, " %s ",
+ format_host_rta(AF_MPLS, tb[MPLS_IPTUNNEL_DST]));
}
static void print_encap_ip(FILE *fp, struct rtattr *encap)
diff --git a/ip/iprule.c b/ip/iprule.c
index 3fd510efe5e1b..ac570440d6633 100644
--- a/ip/iprule.c
+++ b/ip/iprule.c
@@ -89,10 +89,8 @@ int print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
r->rtm_src_len
);
} else {
- fprintf(fp, "from %s ", format_host(r->rtm_family,
- RTA_PAYLOAD(tb[FRA_SRC]),
- RTA_DATA(tb[FRA_SRC]))
- );
+ fprintf(fp, "from %s ",
+ format_host_rta(r->rtm_family, tb[FRA_SRC]));
}
} else if (r->rtm_src_len) {
fprintf(fp, "from 0/%d ", r->rtm_src_len);
@@ -108,9 +106,8 @@ int print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
r->rtm_dst_len
);
} else {
- fprintf(fp, "to %s ", format_host(r->rtm_family,
- RTA_PAYLOAD(tb[FRA_DST]),
- RTA_DATA(tb[FRA_DST])));
+ fprintf(fp, "to %s ",
+ format_host_rta(r->rtm_family, tb[FRA_DST]));
}
} else if (r->rtm_dst_len) {
fprintf(fp, "to 0/%d ", r->rtm_dst_len);
@@ -183,9 +180,8 @@ int print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
if (r->rtm_type == RTN_NAT) {
if (tb[RTA_GATEWAY]) {
fprintf(fp, "map-to %s ",
- format_host(r->rtm_family,
- RTA_PAYLOAD(tb[RTA_GATEWAY]),
- RTA_DATA(tb[RTA_GATEWAY])));
+ format_host_rta(r->rtm_family,
+ tb[RTA_GATEWAY]));
} else
fprintf(fp, "masquerade");
} else if (r->rtm_type == FR_ACT_GOTO) {
diff --git a/ip/iptoken.c b/ip/iptoken.c
index 02fe98e249526..6e1a1ab7f36e7 100644
--- a/ip/iptoken.c
+++ b/ip/iptoken.c
@@ -78,12 +78,9 @@ static int print_token(const struct sockaddr_nl *who, struct nlmsghdr *n, void *
return -1;
}
- fprintf(fp, "token %s ",
- format_host(ifi->ifi_family,
- RTA_PAYLOAD(ltb[IFLA_INET6_TOKEN]),
- RTA_DATA(ltb[IFLA_INET6_TOKEN])));
- fprintf(fp, "dev %s ", ll_index_to_name(ifi->ifi_index));
- fprintf(fp, "\n");
+ fprintf(fp, "token %s dev %s\n",
+ format_host_rta(ifi->ifi_family, ltb[IFLA_INET6_TOKEN]),
+ ll_index_to_name(ifi->ifi_index));
fflush(fp);
return 0;
--
2.7.2
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