From 239730044bf8294dec28373c8d2e38d9f81fbf66 Mon Sep 17 00:00:00 2001 From: Mario Schuknecht Date: Fri, 8 Oct 2010 09:20:24 +0200 Subject: [PATCH] linux-2.6.24: add additional tcp ioctl (for hipox machine only) Signed-off-by: Mario Schuknecht Acked-by: Steffen Sledz --- .../linux-2.6.24/hipox/siocoutqsnd.patch | 54 +++++++++++++++++++ recipes/linux/linux_2.6.24.bb | 3 +- 2 files changed, 56 insertions(+), 1 deletion(-) create mode 100644 recipes/linux/linux-2.6.24/hipox/siocoutqsnd.patch diff --git a/recipes/linux/linux-2.6.24/hipox/siocoutqsnd.patch b/recipes/linux/linux-2.6.24/hipox/siocoutqsnd.patch new file mode 100644 index 0000000000..616a860d62 --- /dev/null +++ b/recipes/linux/linux-2.6.24/hipox/siocoutqsnd.patch @@ -0,0 +1,54 @@ +tcp: ioctl type SIOCOUTQNSD returns amount of data not sent + +In contrast to SIOCOUTQ which returns the amount of data sent +but not yet acknowledged plus data not yet sent this patch only +returns the data not sent. + +For various methods of live streaming bitrate control it may +be helpful to know how much data are in the tcp outqueue are +not sent yet. + +Signed-off-by: Mario Schuknecht + +diff -Nurd linux-2.6.24.orig//include/asm-arm/ioctls.h linux-2.6.24/include/asm-arm/ioctls.h +--- linux-2.6.24.orig//include/asm-arm/ioctls.h 2010-10-08 09:03:02.000000000 +0200 ++++ linux-2.6.24/include/asm-arm/ioctls.h 2010-10-08 09:09:55.000000000 +0200 +@@ -53,6 +53,8 @@ + #define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ + #define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ + ++#define TIOCOUTQNSD 0x5437 ++ + #define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ + #define FIOCLEX 0x5451 + #define FIOASYNC 0x5452 +diff -Nurd linux-2.6.24.orig//include/linux/sockios.h linux-2.6.24/include/linux/sockios.h +--- linux-2.6.24.orig//include/linux/sockios.h 2010-10-08 09:03:02.000000000 +0200 ++++ linux-2.6.24/include/linux/sockios.h 2010-10-08 09:10:43.000000000 +0200 +@@ -23,6 +23,7 @@ + /* Linux-specific socket ioctls */ + #define SIOCINQ FIONREAD + #define SIOCOUTQ TIOCOUTQ ++#define SIOCOUTQNSD TIOCOUTQNSD + + /* Routing table calls. */ + #define SIOCADDRT 0x890B /* add routing table entry */ +diff -Nurd linux-2.6.24.orig//net/ipv4/tcp.c linux-2.6.24/net/ipv4/tcp.c +--- linux-2.6.24.orig//net/ipv4/tcp.c 2010-10-08 09:02:59.000000000 +0200 ++++ linux-2.6.24/net/ipv4/tcp.c 2010-10-08 09:10:43.000000000 +0200 +@@ -444,6 +444,15 @@ + else + answ = tp->write_seq - tp->snd_una; + break; ++ case SIOCOUTQNSD: ++ if (sk->sk_state == TCP_LISTEN) ++ return -EINVAL; ++ ++ if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) ++ answ = 0; ++ else ++ answ = tp->write_seq - tp->snd_nxt; ++ break; + default: + return -ENOIOCTLCMD; + } diff --git a/recipes/linux/linux_2.6.24.bb b/recipes/linux/linux_2.6.24.bb index 19190639ab..bfcdda96d6 100644 --- a/recipes/linux/linux_2.6.24.bb +++ b/recipes/linux/linux_2.6.24.bb @@ -11,7 +11,7 @@ DEFAULT_PREFERENCE_hipox = "1" DEFAULT_PREFERENCE_cs-e9302 = "1" DEFAULT_PREFERENCE_smartq5 = "1" -PR = "r34" +PR = "r35" SRC_URI = "${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-2.6.24.tar.bz2;name=kernel \ ${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/patch-${PV}.7.bz2;apply=yes;name=stablepatch \ @@ -102,6 +102,7 @@ SRC_URI_append_hipox = " \ file://hipox-nand-vs-nor.patch \ file://ox810-gmac-without-leon.patch \ file://hipox-poe-enable.patch \ + file://siocoutqsnd.patch \ " EXTRA_OEMAKE_smartq5 = " OBJCOPY=${OBJCOPY}" -- 2.39.5