@@ -151,7 +151,7 @@ enum rte_iova_mode
* We also don't lock the whole file, so that in future we can use read-locks
* on other parts, e.g. memzones, to detect if there are running secondary
* processes. */
-static void
+static int
rte_eal_config_create(void)
{
void *rte_mem_cfg_addr;
@@ -160,60 +160,81 @@ enum rte_iova_mode
const char *pathname = eal_runtime_config_path();
if (internal_config.no_shconf)
- return;
+ return 0;
if (mem_cfg_fd < 0){
mem_cfg_fd = open(pathname, O_RDWR | O_CREAT, 0660);
- if (mem_cfg_fd < 0)
- rte_panic("Cannot open '%s' for rte_mem_config\n", pathname);
+ if (mem_cfg_fd < 0) {
+ RTE_LOG(CRIT, EAL, "%s(): Cannot open '%s' for rte_mem_config\n",
+ __func__, pathname);
+ return -1;
+ }
}
retval = ftruncate(mem_cfg_fd, sizeof(*rte_config.mem_config));
if (retval < 0){
close(mem_cfg_fd);
- rte_panic("Cannot resize '%s' for rte_mem_config\n", pathname);
+ mem_cfg_fd = -1;
+ RTE_LOG(CRIT, EAL, "%s(): Cannot resize '%s' for rte_mem_config\n",
+ __func__, pathname);
+ return -1;
}
retval = fcntl(mem_cfg_fd, F_SETLK, &wr_lock);
if (retval < 0){
close(mem_cfg_fd);
- rte_exit(EXIT_FAILURE, "Cannot create lock on '%s'. Is another primary "
- "process running?\n", pathname);
+ mem_cfg_fd = -1;
+ RTE_LOG(CRIT, EAL, "%s(): Cannot create lock on '%s'. Is another primary process running?\n",
+ __func__, pathname);
+ return -1;
}
rte_mem_cfg_addr = mmap(NULL, sizeof(*rte_config.mem_config),
PROT_READ | PROT_WRITE, MAP_SHARED, mem_cfg_fd, 0);
if (rte_mem_cfg_addr == MAP_FAILED){
- rte_panic("Cannot mmap memory for rte_config\n");
+ RTE_LOG(CRIT, EAL, "%s(): Cannot mmap memory for rte_config\n",
+ __func__);
+ return -1;
}
memcpy(rte_mem_cfg_addr, &early_mem_config, sizeof(early_mem_config));
rte_config.mem_config = rte_mem_cfg_addr;
+
+ return 0;
}
/* attach to an existing shared memory config */
-static void
+static int
rte_eal_config_attach(void)
{
void *rte_mem_cfg_addr;
const char *pathname = eal_runtime_config_path();
if (internal_config.no_shconf)
- return;
+ return 0;
if (mem_cfg_fd < 0){
mem_cfg_fd = open(pathname, O_RDWR);
- if (mem_cfg_fd < 0)
- rte_panic("Cannot open '%s' for rte_mem_config\n", pathname);
+ if (mem_cfg_fd < 0) {
+ RTE_LOG(CRIT, EAL, "%s(): Cannot open '%s' for rte_mem_config\n",
+ __func__, pathname);
+ return -1;
+ }
}
rte_mem_cfg_addr = mmap(NULL, sizeof(*rte_config.mem_config),
PROT_READ | PROT_WRITE, MAP_SHARED, mem_cfg_fd, 0);
close(mem_cfg_fd);
- if (rte_mem_cfg_addr == MAP_FAILED)
- rte_panic("Cannot mmap memory for rte_config\n");
+ if (rte_mem_cfg_addr == MAP_FAILED) {
+ mem_cfg_fd = -1;
+ RTE_LOG(CRIT, EAL, "%s(): Cannot mmap memory for rte_config\n",
+ __func__);
+ return -1;
+ }
rte_config.mem_config = rte_mem_cfg_addr;
+
+ return 0;
}
/* Detect if we are a primary or a secondary process */
@@ -237,23 +258,29 @@ enum rte_proc_type_t
}
/* Sets up rte_config structure with the pointer to shared memory config.*/
-static void
+static int
rte_config_init(void)
{
rte_config.process_type = internal_config.process_type;
switch (rte_config.process_type){
case RTE_PROC_PRIMARY:
- rte_eal_config_create();
+ if (rte_eal_config_create())
+ return -1;
break;
case RTE_PROC_SECONDARY:
- rte_eal_config_attach();
+ if (rte_eal_config_attach())
+ return -1;
rte_eal_mcfg_wait_complete(rte_config.mem_config);
break;
case RTE_PROC_AUTO:
case RTE_PROC_INVALID:
- rte_panic("Invalid process type\n");
+ default:
+ RTE_LOG(CRIT, EAL, "%s(): Invalid process type %d\n",
+ __func__, rte_config.process_type);
+ return -1;
}
+ return 0;
}
/* display usage */
@@ -595,7 +622,11 @@ static void rte_eal_init_alert(const char *msg)
rte_srand(rte_rdtsc());
- rte_config_init();
+ if (rte_config_init() != 0) {
+ rte_eal_init_alert("Failed to init configuration");
+ rte_errno = EFAULT;
+ return -1;
+ }
if (rte_mp_channel_init() < 0) {
rte_eal_init_alert("failed to init mp channel\n");
@@ -668,6 +699,7 @@ static void rte_eal_init_alert(const char *msg)
*/
if (pipe(lcore_config[i].pipe_master2slave) < 0)
rte_panic("Cannot create pipe\n");
+
if (pipe(lcore_config[i].pipe_slave2master) < 0)
rte_panic("Cannot create pipe\n");
@@ -160,7 +160,7 @@ enum rte_iova_mode
* We also don't lock the whole file, so that in future we can use read-locks
* on other parts, e.g. memzones, to detect if there are running secondary
* processes. */
-static void
+static int
rte_eal_config_create(void)
{
void *rte_mem_cfg_addr;
@@ -169,7 +169,7 @@ enum rte_iova_mode
const char *pathname = eal_runtime_config_path();
if (internal_config.no_shconf)
- return;
+ return 0;
/* map the config before hugepage address so that we don't waste a page */
if (internal_config.base_virtaddr != 0)
@@ -179,30 +179,40 @@ enum rte_iova_mode
else
rte_mem_cfg_addr = NULL;
- if (mem_cfg_fd < 0){
+ if (mem_cfg_fd < 0) {
mem_cfg_fd = open(pathname, O_RDWR | O_CREAT, 0660);
- if (mem_cfg_fd < 0)
- rte_panic("Cannot open '%s' for rte_mem_config\n", pathname);
+ if (mem_cfg_fd < 0) {
+ RTE_LOG(CRIT, EAL, "%s(): Cannot open '%s' for rte_mem_config\n",
+ __func__, pathname);
+ return -1;
+ }
}
retval = ftruncate(mem_cfg_fd, sizeof(*rte_config.mem_config));
- if (retval < 0){
+ if (retval < 0) {
close(mem_cfg_fd);
- rte_panic("Cannot resize '%s' for rte_mem_config\n", pathname);
+ mem_cfg_fd = -1;
+ RTE_LOG(CRIT, EAL, "%s(): Cannot resize '%s' for rte_mem_config\n",
+ __func__, pathname);
+ return -1;
}
retval = fcntl(mem_cfg_fd, F_SETLK, &wr_lock);
- if (retval < 0){
+ if (retval < 0) {
close(mem_cfg_fd);
- rte_exit(EXIT_FAILURE, "Cannot create lock on '%s'. Is another primary "
- "process running?\n", pathname);
+ mem_cfg_fd = -1;
+ RTE_LOG(CRIT, EAL, "%s(): Cannot create lock on '%s'.Is another primary process running?\n",
+ __func__, pathname);
+ return -1;
}
rte_mem_cfg_addr = mmap(rte_mem_cfg_addr, sizeof(*rte_config.mem_config),
PROT_READ | PROT_WRITE, MAP_SHARED, mem_cfg_fd, 0);
- if (rte_mem_cfg_addr == MAP_FAILED){
- rte_panic("Cannot mmap memory for rte_config\n");
+ if (rte_mem_cfg_addr == MAP_FAILED) {
+ RTE_LOG(CRIT, EAL, "%s(): Cannot mmap memory for rte_config\n",
+ __func__);
+ return -1;
}
memcpy(rte_mem_cfg_addr, &early_mem_config, sizeof(early_mem_config));
rte_config.mem_config = rte_mem_cfg_addr;
@@ -211,10 +221,11 @@ enum rte_iova_mode
* processes could later map the config into this exact location */
rte_config.mem_config->mem_cfg_addr = (uintptr_t) rte_mem_cfg_addr;
+ return 0;
}
/* attach to an existing shared memory config */
-static void
+static int
rte_eal_config_attach(void)
{
struct rte_mem_config *mem_config;
@@ -222,33 +233,41 @@ enum rte_iova_mode
const char *pathname = eal_runtime_config_path();
if (internal_config.no_shconf)
- return;
+ return 0;
- if (mem_cfg_fd < 0){
+ if (mem_cfg_fd < 0) {
mem_cfg_fd = open(pathname, O_RDWR);
- if (mem_cfg_fd < 0)
- rte_panic("Cannot open '%s' for rte_mem_config\n", pathname);
+ if (mem_cfg_fd < 0) {
+ RTE_LOG(CRIT, EAL, "%s(): Cannot open '%s' for rte_mem_config\n",
+ __func__, pathname);
+ return -1;
+ }
}
/* map it as read-only first */
mem_config = (struct rte_mem_config *) mmap(NULL, sizeof(*mem_config),
PROT_READ, MAP_SHARED, mem_cfg_fd, 0);
- if (mem_config == MAP_FAILED)
- rte_panic("Cannot mmap memory for rte_config! error %i (%s)\n",
- errno, strerror(errno));
+ if (mem_config == MAP_FAILED) {
+ mem_cfg_fd = -1;
+ RTE_LOG(CRIT, EAL, "%s(): Cannot mmap memory for rte_config! error %i (%s)\n",
+ __func__, errno, strerror(errno));
+ return -1;
+ }
rte_config.mem_config = mem_config;
+
+ return 0;
}
/* reattach the shared config at exact memory location primary process has it */
-static void
+static int
rte_eal_config_reattach(void)
{
struct rte_mem_config *mem_config;
void *rte_mem_cfg_addr;
if (internal_config.no_shconf)
- return;
+ return 0;
/* save the address primary process has mapped shared config to */
rte_mem_cfg_addr = (void *) (uintptr_t) rte_config.mem_config->mem_cfg_addr;
@@ -263,16 +282,18 @@ enum rte_iova_mode
if (mem_config == MAP_FAILED || mem_config != rte_mem_cfg_addr) {
if (mem_config != MAP_FAILED)
/* errno is stale, don't use */
- rte_panic("Cannot mmap memory for rte_config at [%p], got [%p]"
- " - please use '--base-virtaddr' option\n",
- rte_mem_cfg_addr, mem_config);
+ RTE_LOG(CRIT, EAL, "%s(): Cannot mmap memory for rte_config at [%p], got [%p] - please use '--base-virtaddr' option\n",
+ __func__, rte_mem_cfg_addr, mem_config);
else
- rte_panic("Cannot mmap memory for rte_config! error %i (%s)\n",
- errno, strerror(errno));
+ RTE_LOG(CRIT, EAL, "%s(): Cannot mmap memory for rte_config! error %i (%s)\n",
+ __func__, errno, strerror(errno));
+ return -1;
}
close(mem_cfg_fd);
rte_config.mem_config = mem_config;
+
+ return 0;
}
/* Detect if we are a primary or a secondary process */
@@ -296,24 +317,32 @@ enum rte_proc_type_t
}
/* Sets up rte_config structure with the pointer to shared memory config.*/
-static void
+static int
rte_config_init(void)
{
rte_config.process_type = internal_config.process_type;
switch (rte_config.process_type){
case RTE_PROC_PRIMARY:
- rte_eal_config_create();
+ if (rte_eal_config_create())
+ return -1;
break;
case RTE_PROC_SECONDARY:
- rte_eal_config_attach();
+ if (rte_eal_config_attach())
+ return -1;
rte_eal_mcfg_wait_complete(rte_config.mem_config);
- rte_eal_config_reattach();
+ if (rte_eal_config_reattach())
+ return -1;
break;
case RTE_PROC_AUTO:
case RTE_PROC_INVALID:
- rte_panic("Invalid process type\n");
+ default:
+ RTE_LOG(CRIT, EAL, "%s(): Invalid process type %d\n",
+ __func__, rte_config.process_type);
+ return -1;
}
+
+ return 0;
}
/* Unlocks hugepage directories that were locked by eal_hugepage_info_init */
@@ -820,7 +849,8 @@ static void rte_eal_init_alert(const char *msg)
rte_srand(rte_rdtsc());
- rte_config_init();
+ if (rte_config_init() != 0)
+ return -1;
if (rte_eal_log_init(logid, internal_config.syslog_facility) < 0) {
rte_eal_init_alert("Cannot init logging.");
@@ -911,6 +941,7 @@ static void rte_eal_init_alert(const char *msg)
*/
if (pipe(lcore_config[i].pipe_master2slave) < 0)
rte_panic("Cannot create pipe\n");
+
if (pipe(lcore_config[i].pipe_slave2master) < 0)
rte_panic("Cannot create pipe\n");