diff options
| -rw-r--r-- | config/odp-linux-generic.conf | 12 | ||||
| -rw-r--r-- | platform/linux-generic/include/odp_pool_internal.h | 5 | ||||
| -rw-r--r-- | platform/linux-generic/odp_pool.c | 39 | ||||
| -rw-r--r-- | platform/linux-generic/test/process-mode.conf | 2 |
4 files changed, 53 insertions, 5 deletions
diff --git a/config/odp-linux-generic.conf b/config/odp-linux-generic.conf index 4db9ed489..af651d7f6 100644 --- a/config/odp-linux-generic.conf +++ b/config/odp-linux-generic.conf @@ -16,7 +16,7 @@ # Mandatory fields odp_implementation = "linux-generic" -config_file_version = "0.1.0" +config_file_version = "0.1.1" # Shared memory options shm: { @@ -39,6 +39,16 @@ shm: { single_va = 0 } +# Pool options +pool: { + # Packet pool options + pkt: { + # Maximum number of packets per pool. Power of two minus one + # results optimal memory usage (e.g. (256 * 1024) - 1). + max_num = 262143 + } +} + # DPDK pktio options pktio_dpdk: { # Default options diff --git a/platform/linux-generic/include/odp_pool_internal.h b/platform/linux-generic/include/odp_pool_internal.h index 2696e8eec..94f859de0 100644 --- a/platform/linux-generic/include/odp_pool_internal.h +++ b/platform/linux-generic/include/odp_pool_internal.h @@ -89,6 +89,11 @@ typedef struct pool_t { typedef struct pool_table_t { pool_t pool[ODP_CONFIG_POOLS]; odp_shm_t shm; + + struct { + uint32_t pkt_max_num; + } config; + } pool_table_t; extern pool_table_t *pool_tbl; diff --git a/platform/linux-generic/odp_pool.c b/platform/linux-generic/odp_pool.c index db7a8da3f..d08be4378 100644 --- a/platform/linux-generic/odp_pool.c +++ b/platform/linux-generic/odp_pool.c @@ -22,6 +22,7 @@ #include <odp_ring_internal.h> #include <odp_shm_internal.h> #include <odp_global_data.h> +#include <odp_libconfig_internal.h> #include <string.h> #include <stdio.h> @@ -33,8 +34,9 @@ #define UNLOCK(a) odp_ticketlock_unlock(a) #define LOCK_INIT(a) odp_ticketlock_init(a) -#define CACHE_BURST 32 -#define RING_SIZE_MIN (2 * CACHE_BURST) +#define CACHE_BURST 32 +#define RING_SIZE_MIN (2 * CACHE_BURST) +#define POOL_MAX_NUM_MIN RING_SIZE_MIN /* Make sure packet buffers don't cross huge page boundaries starting from this * page size. 2MB is typically the smallest used huge page size. */ @@ -83,6 +85,32 @@ static inline pool_t *pool_from_buf(odp_buffer_t buf) return buf_hdr->pool_ptr; } +static int read_config_file(pool_table_t *pool_tbl) +{ + const char *str; + int val = 0; + + ODP_PRINT("Pool config:\n"); + + str = "pool.pkt.max_num"; + if (!_odp_libconfig_lookup_int(str, &val)) { + ODP_ERR("Config option '%s' not found.\n", str); + return -1; + } + + if (val > CONFIG_POOL_MAX_NUM || val < POOL_MAX_NUM_MIN) { + ODP_ERR("Bad value %s = %u\n", str, val); + return -1; + } + + pool_tbl->config.pkt_max_num = val; + ODP_PRINT(" %s: %i\n", str, val); + + ODP_PRINT("\n"); + + return 0; +} + int odp_pool_init_global(void) { uint32_t i; @@ -101,6 +129,11 @@ int odp_pool_init_global(void) memset(pool_tbl, 0, sizeof(pool_table_t)); pool_tbl->shm = shm; + if (read_config_file(pool_tbl)) { + odp_shm_free(shm); + return -1; + } + for (i = 0; i < ODP_CONFIG_POOLS; i++) { pool_t *pool = pool_entry(i); @@ -950,7 +983,7 @@ int odp_pool_capability(odp_pool_capability_t *capa) /* Packet pools */ capa->pkt.max_pools = ODP_CONFIG_POOLS; capa->pkt.max_len = CONFIG_PACKET_MAX_LEN; - capa->pkt.max_num = CONFIG_POOL_MAX_NUM; + capa->pkt.max_num = pool_tbl->config.pkt_max_num; capa->pkt.min_headroom = CONFIG_PACKET_HEADROOM; capa->pkt.max_headroom = CONFIG_PACKET_HEADROOM; capa->pkt.min_tailroom = CONFIG_PACKET_TAILROOM; diff --git a/platform/linux-generic/test/process-mode.conf b/platform/linux-generic/test/process-mode.conf index 8618f2fdb..d80df25c4 100644 --- a/platform/linux-generic/test/process-mode.conf +++ b/platform/linux-generic/test/process-mode.conf @@ -1,6 +1,6 @@ # Mandatory fields odp_implementation = "linux-generic" -config_file_version = "0.1.0" +config_file_version = "0.1.1" # Shared memory options shm: { |