From dfb88dae65fbdc37d72483ddff23171ef4070dae Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 14 Apr 2009 10:43:16 +0200 Subject: conntrackd: change scheduler and priority via configuration file With this patch, you can change the scheduler policy and priority for conntrackd. Using a RT scheduler policy reduces the chances to hit ENOBUFS in Netlink. Signed-off-by: Pablo Neira Ayuso --- src/read_config_yy.y | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'src/read_config_yy.y') diff --git a/src/read_config_yy.y b/src/read_config_yy.y index 152f33e..56fd2f8 100644 --- a/src/read_config_yy.y +++ b/src/read_config_yy.y @@ -29,6 +29,7 @@ #include "bitops.h" #include "cidr.h" #include +#include #include #include @@ -70,6 +71,7 @@ static void __max_dedicated_links_reached(void); %token T_FILTER T_ADDRESS T_PROTOCOL T_STATE T_ACCEPT T_IGNORE %token T_FROM T_USERSPACE T_KERNELSPACE T_EVENT_ITER_LIMIT T_DEFAULT %token T_NETLINK_OVERRUN_RESYNC T_NICE T_IPV4_DEST_ADDR T_IPV6_DEST_ADDR +%token T_SCHEDULER T_TYPE T_PRIO %token T_IP T_PATH_VAL %token T_NUMBER @@ -870,6 +872,7 @@ general_line: hashsize | filter | netlink_overrun_resync | nice + | scheduler ; netlink_buffer_size: T_BUFFER_SIZE T_NUMBER @@ -902,6 +905,33 @@ nice : T_NICE T_SIGNED_NUMBER conf.nice = $2; }; +scheduler : T_SCHEDULER '{' scheduler_options '}'; + +scheduler_options : + | scheduler_options scheduler_line + ; + +scheduler_line : T_TYPE T_STRING +{ + if (strcasecmp($2, "rr") == 0) { + conf.sched.type = SCHED_RR; + } else if (strcasecmp($2, "fifo") == 0) { + conf.sched.type = SCHED_FIFO; + } else { + print_err(CTD_CFG_ERROR, "unknown scheduler `%s'", $2); + exit(EXIT_FAILURE); + } +}; + +scheduler_line : T_PRIO T_NUMBER +{ + conf.sched.prio = $2; + if (conf.sched.prio < 0 || conf.sched.prio > 99) { + print_err(CTD_CFG_ERROR, "`Priority' must be [0, 99]\n", $2); + exit(EXIT_FAILURE); + } +}; + family : T_FAMILY T_STRING { if (strncmp($2, "IPv6", strlen("IPv6")) == 0) -- cgit v1.2.3