#
# Common functions used by pktgen scripts
#  - Depending on bash 3 (or higher) syntax
#
# Author: Jesper Dangaaard Brouer
# License: GPL

## -- General shell logging cmds --
function err() {
    local exitcode=$1
    shift
    echo "ERROR: $@" >&2
    exit $exitcode
}

function warn() {
    echo "WARN : $@" >&2
}

function info() {
    if [[ -n "$VERBOSE" ]]; then
	echo "INFO : $@" >&2
    fi
}

## -- Pktgen proc config commands -- ##
export PROC_DIR=/proc/net/pktgen
#
# Three different shell functions for configuring the different
# components of pktgen:
#   pg_ctrl(), pg_thread() and pg_set().
#
# These functions correspond to pktgens different components.
# * pg_ctrl()   control "pgctrl" (/proc/net/pktgen/pgctrl)
# * pg_thread() control the kernel threads and binding to devices
# * pg_set()    control setup of individual devices
function pg_ctrl() {
    local proc_file="pgctrl"
    proc_cmd ${proc_file} "$@"
}

function pg_thread() {
    local thread=$1
    local proc_file="kpktgend_${thread}"
    shift
    proc_cmd ${proc_file} "$@"
}

function pg_set() {
    local dev=$1
    local proc_file="$dev"
    shift
    proc_cmd ${proc_file} "$@"
}

# More generic replacement for pgset(), that does not depend on global
# variable for proc file.
function proc_cmd() {
    local result
    local proc_file=$1
    # after shift, the remaining args are contained in $@
    shift
    local proc_ctrl=${PROC_DIR}/$proc_file
    if [[ ! -e "$proc_ctrl" ]]; then
	err 3 "proc file:$proc_ctrl does not exists (dev added to thread?)"
    else
	if [[ ! -w "$proc_ctrl" ]]; then
	    err 4 "proc file:$proc_ctrl not writable, not root?!"
	fi
    fi

    if [[ "$DEBUG" == "yes" ]]; then
	echo "cmd: $@ > $proc_ctrl"
    fi
    # Quoting of "$@" is important for space expansion
    echo "$@" > "$proc_ctrl"
    local status=$?

    result=$(grep "Result: OK:" $proc_ctrl)
    # Due to pgctrl, cannot use exit code $? from grep
    if [[ "$result" == "" ]]; then
	grep "Result:" $proc_ctrl >&2
    fi
    if (( $status != 0 )); then
	err 5 "Write error($status) occurred cmd: \"$@ > $proc_ctrl\""
    fi
}

# Old obsolete "pgset" function, with slightly improved err handling
function pgset() {
    local result

    if [[ "$DEBUG" == "yes" ]]; then
	echo "cmd: $1 > $PGDEV"
    fi
    echo $1 > $PGDEV
    local status=$?

    result=`cat $PGDEV | fgrep "Result: OK:"`
    if [[ "$result" == "" ]]; then
         cat $PGDEV | fgrep Result:
    fi
    if (( $status != 0 )); then
	err 5 "Write error($status) occurred cmd: \"$1 > $PGDEV\""
    fi
}

## -- General shell tricks --

function root_check_run_with_sudo() {
    # Trick so, program can be run as normal user, will just use "sudo"
    #  call as root_check_run_as_sudo "$@"
    if [ "$EUID" -ne 0 ]; then
	if [ -x $0 ]; then # Directly executable use sudo
	    info "Not root, running with sudo"
            sudo "$0" "$@"
            exit $?
	fi
	err 4 "cannot perform sudo run of $0"
    fi
}
=df21d2fa733035e4d414379960f94b2516b41296'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/sound/asound.h?id=df21d2fa733035e4d414379960f94b2516b41296'>asound.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='df21d2fa733035e4d414379960f94b2516b41296'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Madhavan Srinivasan &lt;maddy@linux.vnet.ibm.com&gt;</td><td class='right'>2016-12-19 17:46:53 +0530</td></tr>
<tr><th>committer</th><td>Michael Ellerman &lt;mpe@ellerman.id.au&gt;</td><td class='right'>2017-01-18 16:03:34 +1100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/sound/asound.h?id=df21d2fa733035e4d414379960f94b2516b41296'>df21d2fa733035e4d414379960f94b2516b41296</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/sound/asound.h?id=df21d2fa733035e4d414379960f94b2516b41296'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=df21d2fa733035e4d414379960f94b2516b41296'>c1e7e935e46071b4a134a814fae9fc8fec6324fb</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/sound/asound.h?id=df21d2fa733035e4d414379960f94b2516b41296'>include/sound/asound.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/sound/asound.h?id=387bbc974f6adf91aa635090f73434ed10edd915'>387bbc974f6adf91aa635090f73434ed10edd915</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/sound/asound.h?id=df21d2fa733035e4d414379960f94b2516b41296&amp;id2=387bbc974f6adf91aa635090f73434ed10edd915'>diff</a>)</td></tr></table>
<div class='commit-subject'>selftest/powerpc: Wrong PMC initialized in pmc56_overflow test</div><div class='commit-msg'>Test uses PMC2 to count the event. But PMC1 is being initialized.
Patch to fix it.

Fixes: 3752e453f6ba ('selftests/powerpc: Add tests of PMU EBBs')
Signed-off-by: Madhavan Srinivasan &lt;maddy@linux.vnet.ibm.com&gt;
Signed-off-by: Michael Ellerman &lt;mpe@ellerman.id.au&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=df21d2fa733035e4d414379960f94b2516b41296'>Diffstat</a> (limited to 'include/sound/asound.h')</div><table summary='diffstat' class='diffstat'>