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From: Lorenzo Colitti <lorenzo@google.com>
To: netdev@vger.kernel.org
Cc: Eric Dumazet <edumazet@google.com>,
	David Miller <davem@davemloft.net>,
	YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>,
	Vasiliy Kulikov <segoon@openwall.com>,
	Lorenzo Colitti <lorenzo@google.com>
Subject: [PATCH v4 2/4] net: ipv6: Unify {raw,udp}6_sock_seq_show.
Date: Sat,  1 Jun 2013 10:05:48 +0900	[thread overview]
Message-ID: <1370048750-28441-2-git-send-email-lorenzo@google.com> (raw)
In-Reply-To: <1370048750-28441-1-git-send-email-lorenzo@google.com>

udp6_sock_seq_show and raw6_sock_seq_show are identical, except
the UDP version displays ports and the raw version displays the
protocol. Refactor most of the code in these two functions into
a new common ip6_dgram_sock_seq_show function, in preparation
for using it to display ICMPv6 sockets as well.

Also reduce the indentation in parts of include/net/transp_v6.h
to improve readability.

Compiles and displays reasonable results with CONFIG_IPV6={n,m,y}

Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
---
 include/net/transp_v6.h | 13 +++++++++++++
 net/ipv6/datagram.c     | 27 +++++++++++++++++++++++++++
 net/ipv6/raw.c          | 45 ++++++++-------------------------------------
 net/ipv6/udp.c          | 49 +++++++++----------------------------------------
 4 files changed, 57 insertions(+), 77 deletions(-)

diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h
index 2d9d0e3..6dddc08 100644
--- a/include/net/transp_v6.h
+++ b/include/net/transp_v6.h
@@ -49,6 +49,12 @@ extern int		ip6_datagram_send_ctl(struct net *net,
 					      int *hlimit, int *tclass,
 					      int *dontfrag);
 
+extern void		ip6_dgram_sock_seq_show(struct seq_file *seq,
+						struct sock *sp,
+						__u16 srcp,
+						__u16 destp,
+						int bucket);
+
 #define		LOOPBACK4_IPV6		cpu_to_be32(0x7f000006)
 
 /*
@@ -58,4 +64,11 @@ extern const struct inet_connection_sock_af_ops ipv4_specific;
 
 extern void inet6_destroy_sock(struct sock *sk);
 
+#define IPV6_SEQ_DGRAM_HEADER \
+			   "  sl  "					\
+			   "local_address                         "	\
+			   "remote_address                        "	\
+			   "st tx_queue rx_queue tr tm->when retrnsmt"	\
+			   "   uid  timeout inode ref pointer drops\n"
+
 #endif
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 4b56cbb..197e6f4 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -879,3 +879,30 @@ exit_f:
 	return err;
 }
 EXPORT_SYMBOL_GPL(ip6_datagram_send_ctl);
+
+void ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp,
+			     __u16 srcp, __u16 destp, int bucket)
+{
+	struct ipv6_pinfo *np = inet6_sk(sp);
+	const struct in6_addr *dest, *src;
+
+	dest  = &np->daddr;
+	src   = &np->rcv_saddr;
+	seq_printf(seq,
+		   "%5d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
+		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n",
+		   bucket,
+		   src->s6_addr32[0], src->s6_addr32[1],
+		   src->s6_addr32[2], src->s6_addr32[3], srcp,
+		   dest->s6_addr32[0], dest->s6_addr32[1],
+		   dest->s6_addr32[2], dest->s6_addr32[3], destp,
+		   sp->sk_state,
+		   sk_wmem_alloc_get(sp),
+		   sk_rmem_alloc_get(sp),
+		   0, 0L, 0,
+		   from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
+		   0,
+		   sock_i_ino(sp),
+		   atomic_read(&sp->sk_refcnt), sp,
+		   atomic_read(&sp->sk_drops));
+}
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 4f8886a..c45f7a5 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1227,45 +1227,16 @@ struct proto rawv6_prot = {
 };
 
 #ifdef CONFIG_PROC_FS
-static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
-{
-	struct ipv6_pinfo *np = inet6_sk(sp);
-	const struct in6_addr *dest, *src;
-	__u16 destp, srcp;
-
-	dest  = &np->daddr;
-	src   = &np->rcv_saddr;
-	destp = 0;
-	srcp  = inet_sk(sp)->inet_num;
-	seq_printf(seq,
-		   "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
-		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n",
-		   i,
-		   src->s6_addr32[0], src->s6_addr32[1],
-		   src->s6_addr32[2], src->s6_addr32[3], srcp,
-		   dest->s6_addr32[0], dest->s6_addr32[1],
-		   dest->s6_addr32[2], dest->s6_addr32[3], destp,
-		   sp->sk_state,
-		   sk_wmem_alloc_get(sp),
-		   sk_rmem_alloc_get(sp),
-		   0, 0L, 0,
-		   from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
-		   0,
-		   sock_i_ino(sp),
-		   atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
-}
-
 static int raw6_seq_show(struct seq_file *seq, void *v)
 {
-	if (v == SEQ_START_TOKEN)
-		seq_printf(seq,
-			   "  sl  "
-			   "local_address                         "
-			   "remote_address                        "
-			   "st tx_queue rx_queue tr tm->when retrnsmt"
-			   "   uid  timeout inode ref pointer drops\n");
-	else
-		raw6_sock_seq_show(seq, v, raw_seq_private(seq)->bucket);
+	if (v == SEQ_START_TOKEN) {
+		seq_puts(seq, IPV6_SEQ_DGRAM_HEADER);
+	} else {
+		struct sock *sp = v;
+		__u16 srcp  = inet_sk(sp)->inet_num;
+		ip6_dgram_sock_seq_show(seq, v, srcp, 0,
+					raw_seq_private(seq)->bucket);
+	}
 	return 0;
 }
 
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 42923b1..b580853 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1359,48 +1359,17 @@ static const struct inet6_protocol udpv6_protocol = {
 
 /* ------------------------------------------------------------------------ */
 #ifdef CONFIG_PROC_FS
-
-static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket)
-{
-	struct inet_sock *inet = inet_sk(sp);
-	struct ipv6_pinfo *np = inet6_sk(sp);
-	const struct in6_addr *dest, *src;
-	__u16 destp, srcp;
-
-	dest  = &np->daddr;
-	src   = &np->rcv_saddr;
-	destp = ntohs(inet->inet_dport);
-	srcp  = ntohs(inet->inet_sport);
-	seq_printf(seq,
-		   "%5d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
-		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n",
-		   bucket,
-		   src->s6_addr32[0], src->s6_addr32[1],
-		   src->s6_addr32[2], src->s6_addr32[3], srcp,
-		   dest->s6_addr32[0], dest->s6_addr32[1],
-		   dest->s6_addr32[2], dest->s6_addr32[3], destp,
-		   sp->sk_state,
-		   sk_wmem_alloc_get(sp),
-		   sk_rmem_alloc_get(sp),
-		   0, 0L, 0,
-		   from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
-		   0,
-		   sock_i_ino(sp),
-		   atomic_read(&sp->sk_refcnt), sp,
-		   atomic_read(&sp->sk_drops));
-}
-
 int udp6_seq_show(struct seq_file *seq, void *v)
 {
-	if (v == SEQ_START_TOKEN)
-		seq_printf(seq,
-			   "  sl  "
-			   "local_address                         "
-			   "remote_address                        "
-			   "st tx_queue rx_queue tr tm->when retrnsmt"
-			   "   uid  timeout inode ref pointer drops\n");
-	else
-		udp6_sock_seq_show(seq, v, ((struct udp_iter_state *)seq->private)->bucket);
+	if (v == SEQ_START_TOKEN) {
+		seq_puts(seq, IPV6_SEQ_DGRAM_HEADER);
+	} else {
+		int bucket = ((struct udp_iter_state *)seq->private)->bucket;
+		struct inet_sock *inet = inet_sk(v);
+		__u16 srcp = ntohs(inet->inet_sport);
+		__u16 destp = ntohs(inet->inet_dport);
+		ip6_dgram_sock_seq_show(seq, v, srcp, destp, bucket);
+	}
 	return 0;
 }
 
-- 
1.8.2.1

  reply	other threads:[~2013-06-01  1:11 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-01  1:05 [PATCH v4 1/4] Clean up indentation in net/ipv6/transp_v6.h Lorenzo Colitti
2013-06-01  1:05 ` Lorenzo Colitti [this message]
2013-06-04 19:56   ` [PATCH v4 2/4] net: ipv6: Unify {raw,udp}6_sock_seq_show David Miller
2013-06-01  1:05 ` [PATCH v4 3/4] net: ipv4: make the ping /proc code AF-independent Lorenzo Colitti
2013-06-04 19:57   ` David Miller
2013-06-01  1:05 ` [PATCH v4 4/4] net: ipv6: Implement /proc/net/icmp6 Lorenzo Colitti
2013-06-04 19:57   ` David Miller
2013-06-01  1:25 ` [PATCH v4 1/4] Clean up indentation in net/ipv6/transp_v6.h Joe Perches
2013-06-02  2:58   ` David Miller
2013-06-02  3:06     ` Joe Perches
2013-06-02  3:44       ` Lorenzo Colitti
2013-06-02  3:52         ` Joe Perches
2013-06-02  8:29       ` David Miller
2013-06-02  9:23         ` Joe Perches
2013-06-02 10:35           ` Lorenzo Colitti
2013-06-02 17:04             ` [PATCH net-next post Lorenzo] transp_v6.h: style neatening Joe Perches
2013-06-03  2:20               ` Lorenzo Colitti
2013-06-03  2:34                 ` Joe Perches
2013-06-02 14:16           ` [PATCH v4 1/4] Clean up indentation in net/ipv6/transp_v6.h Eric Dumazet
2013-06-02 17:30             ` Joe Perches
2013-06-04 19:56 ` David Miller

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