diff options
Diffstat (limited to 'recipes/ixp425-eth/ixp400-eth-1.5.1/netdev_max_backlog.patch')
| -rw-r--r-- | recipes/ixp425-eth/ixp400-eth-1.5.1/netdev_max_backlog.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/recipes/ixp425-eth/ixp400-eth-1.5.1/netdev_max_backlog.patch b/recipes/ixp425-eth/ixp400-eth-1.5.1/netdev_max_backlog.patch new file mode 100644 index 0000000000..6891b6b4a9 --- /dev/null +++ b/recipes/ixp425-eth/ixp400-eth-1.5.1/netdev_max_backlog.patch @@ -0,0 +1,54 @@ +--- ixp400_eth/ixp400_eth.c~ 2006-01-09 01:03:11.000000000 +1030 ++++ ixp400_eth/ixp400_eth.c 2006-01-09 01:05:27.000000000 +1030 +@@ -139,12 +139,12 @@ + * skbuf to push into the linux stack, and avoid the performance degradations + * during overflow. + */ +-static int netdev_max_backlog = 290; ++static int ixp400_netdev_max_backlog = 290; + + static int datapath_poll = 1; /* default : rx/tx polling, not interrupt driven*/ + +-MODULE_PARM(netdev_max_backlog, "i"); +-MODULE_PARM_DESC(netdev_max_backlog, "Should be set to the value of /proc/sys/net/core/netdev_max_backlog (perf affecting)"); ++MODULE_PARM(ixp400_netdev_max_backlog, "i"); ++MODULE_PARM_DESC(ixp400_netdev_max_backlog, "Should be set to the value of /proc/sys/net/core/netdev_max_backlog (perf affecting)"); + MODULE_PARM(datapath_poll, "i"); + MODULE_PARM_DESC(datapath_poll, "If non-zero, use polling method for datapath instead of interrupts"); + #endif /* CONFIG_IXP400_NAPI */ +@@ -213,7 +213,7 @@ + * high traffic rates. To measure the maximum throughput between the + * ports of the driver, + * - Modify /proc/sys/net/core/netdev_max_backlog value in the kernel +- * - Adjust netdev_max_backlog=n in the driver's command line ++ * - Adjust ixp400_netdev_max_backlog=n in the driver's command line + * in order to get the best rates depending on the testing tool + * and the OS load. + * +@@ -1997,7 +1997,7 @@ + /* check if the system accepts more traffic and + * against chained mbufs + */ +- if ((qlevel < netdev_max_backlog) ++ if ((qlevel < ixp400_netdev_max_backlog) + && (IX_OSAL_MBUF_NEXT_PKT_IN_CHAIN_PTR(mbuf) == NULL)) + #else + /* check against chained mbufs +@@ -3776,13 +3776,13 @@ + #ifndef CONFIG_IXP400_NAPI + /* set the softirq rx queue thresholds + * (These numbers are based on tuning experiments) +- * maxbacklog = (netdev_max_backlog * 10) / 63; ++ * maxbacklog = (ixp400_netdev_max_backlog * 10) / 63; + */ +- if (netdev_max_backlog == 0) ++ if (ixp400_netdev_max_backlog == 0) + { +- netdev_max_backlog = 290; /* system default */ ++ ixp400_netdev_max_backlog = 290; /* system default */ + } +- netdev_max_backlog /= BACKLOG_TUNE; ++ ixp400_netdev_max_backlog /= BACKLOG_TUNE; + + TRACE; + #endif |