Allow a board to configure a larger buffer for netconsole, but leave the default.
Signed-off-by: Joe Hershberger joe.hershberger@ni.com Cc: Mike Frysinger vapier@gentoo.org --- doc/README.NetConsole | 2 ++ drivers/net/netconsole.c | 8 ++++++-- 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/doc/README.NetConsole b/doc/README.NetConsole index c8bcb90..73543e5 100644 --- a/doc/README.NetConsole +++ b/doc/README.NetConsole @@ -6,6 +6,8 @@ serial and network input/output devices by adjusting the 'stdin' and set either of these variables to "nc". Input and output can be switched independently.
+CONFIG_NETCONSOLE_BUFFER_SIZE - Override the default buffer size + We use an environment variable 'ncip' to set the IP address and the port of the destination. The format is <ip_addr>:<port>. If <port> is omitted, the value of 6666 is used. If the env var doesn't exist, the diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index 14243b8..c68ca4f 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -28,7 +28,11 @@
DECLARE_GLOBAL_DATA_PTR;
-static char input_buffer[512]; +#ifndef CONFIG_NETCONSOLE_BUFFER_SIZE +#define CONFIG_NETCONSOLE_BUFFER_SIZE 512 +#endif + +static char input_buffer[CONFIG_NETCONSOLE_BUFFER_SIZE]; static int input_size; /* char count in input buffer */ static int input_offset; /* offset to valid chars in input buffer */ static int input_recursion; @@ -203,7 +207,7 @@ static void nc_puts(const char *s)
len = strlen(s); while (len) { - int send_len = min(len, 512); + int send_len = min(len, sizeof(input_buffer)); nc_send_packet(s, send_len); len -= send_len; s += send_len;