diff options
| -rw-r--r-- | src/jtag/drivers/jtag_vpi.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/jtag/drivers/jtag_vpi.c b/src/jtag/drivers/jtag_vpi.c index 1a42b3a0..35c70312 100644 --- a/src/jtag/drivers/jtag_vpi.c +++ b/src/jtag/drivers/jtag_vpi.c @@ -29,6 +29,10 @@ #include <arpa/inet.h> #endif +#ifndef _WIN32 +#include <netinet/tcp.h> +#endif + #define NO_TAP_SHIFT 0 #define TAP_SHIFT 1 @@ -368,6 +372,8 @@ static int jtag_vpi_execute_queue(void) static int jtag_vpi_init(void) { + int flag = 1; + sockfd = socket(AF_INET, SOCK_STREAM, 0); if (sockfd < 0) { LOG_ERROR("Could not create socket"); @@ -395,6 +401,13 @@ static int jtag_vpi_init(void) return ERROR_COMMAND_CLOSE_CONNECTION; } + if (serv_addr.sin_addr.s_addr == htonl(INADDR_LOOPBACK)) { + /* This increases performance drematically for local + * connections, which is the most likely arrangement + * for a VPI connection. */ + setsockopt(sockfd, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(int)); + } + LOG_INFO("Connection to %s : %u succeed", server_address, server_port); return ERROR_OK; |