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[API-NEXT,v4,2/2] linux-generic: pool: implementation for min and max headroom

Message ID 1504530018-8522-3-git-send-email-odpbot@yandex.ru
State Superseded
Headers show
Series [API-NEXT,v4,1/2] api: pool: add min and max headroom in capability | expand

Commit Message

Github ODP bot Sept. 4, 2017, 1 p.m. UTC 
From: Balasubramanian Manoharan <bala.manoharan@linaro.org>


Adds minimum and maximum headroom in pool capability

Signed-off-by: Balasubramanian Manoharan <bala.manoharan@linaro.org>

---
/** Email created from pull request 152 (bala-manoharan:pool_headroom)
 ** https://github.com/Linaro/odp/pull/152
 ** Patch: https://github.com/Linaro/odp/pull/152.patch
 ** Base sha: 91c0b58fc87ba0431241818758cea94438cd5498
 ** Merge commit sha: e06c8842c41c8550928bb58c658116fb7c2f338b
 **/
 platform/linux-generic/odp_pool.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
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Patch

diff --git a/platform/linux-generic/odp_pool.c b/platform/linux-generic/odp_pool.c
index 3e8ec6d8..6e079cb4 100644
--- a/platform/linux-generic/odp_pool.c
+++ b/platform/linux-generic/odp_pool.c
@@ -348,6 +348,11 @@  static odp_pool_t pool_create(const char *name, odp_pool_param_t *params,
 		break;
 
 	case ODP_POOL_PACKET:
+		if (params->pkt.min_headroom > CONFIG_PACKET_HEADROOM) {
+			ODP_ERR("Headroom size not supported");
+			return ODP_POOL_INVALID;
+		}
+
 		headroom    = CONFIG_PACKET_HEADROOM;
 		tailroom    = CONFIG_PACKET_TAILROOM;
 		num         = params->pkt.num;
@@ -853,7 +858,8 @@  int odp_pool_capability(odp_pool_capability_t *capa)
 	capa->pkt.max_pools        = ODP_CONFIG_POOLS;
 	capa->pkt.max_len          = CONFIG_PACKET_MAX_SEGS * max_seg_len;
 	capa->pkt.max_num	   = CONFIG_POOL_MAX_NUM;
-	capa->pkt.min_headroom     = CONFIG_PACKET_HEADROOM;
+	capa->pkt.min_headroom     = 0;
+	capa->pkt.max_headroom     = CONFIG_PACKET_HEADROOM;
 	capa->pkt.min_tailroom     = CONFIG_PACKET_TAILROOM;
 	capa->pkt.max_segs_per_pkt = CONFIG_PACKET_MAX_SEGS;
 	capa->pkt.min_seg_len      = max_seg_len;
@@ -913,6 +919,7 @@  odp_pool_t odp_buffer_pool(odp_buffer_t buf)
 void odp_pool_param_init(odp_pool_param_t *params)
 {
 	memset(params, 0, sizeof(odp_pool_param_t));
+	params->pkt.min_headroom = CONFIG_PACKET_HEADROOM;
 }
 
 uint64_t odp_pool_to_u64(odp_pool_t hdl)