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[24.28.70.239]) by mx.google.com with ESMTPSA id r83sm14906414oif.28.2015.02.19.05.38.19 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 19 Feb 2015 05:38:19 -0800 (PST) From: Bill Fischofer To: lng-odp@lists.linaro.org Date: Thu, 19 Feb 2015 07:38:06 -0600 Message-Id: <1424353087-14302-4-git-send-email-bill.fischofer@linaro.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1424353087-14302-1-git-send-email-bill.fischofer@linaro.org> References: <1424353087-14302-1-git-send-email-bill.fischofer@linaro.org> X-Topics: patch Subject: [lng-odp] [PATCHv4 4/5] linux-generic: pools: cleanup to reflect new pool parameters X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , MIME-Version: 1.0 Errors-To: lng-odp-bounces@lists.linaro.org Sender: lng-odp-bounces@lists.linaro.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: bill.fischofer@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.50 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 Signed-off-by: Bill Fischofer --- .../linux-generic/include/odp_buffer_internal.h | 3 - platform/linux-generic/include/odp_pool_internal.h | 1 + platform/linux-generic/odp_pool.c | 85 +++++++++++----------- 3 files changed, 44 insertions(+), 45 deletions(-) diff --git a/platform/linux-generic/include/odp_buffer_internal.h b/platform/linux-generic/include/odp_buffer_internal.h index c532e35..3a3d2a2 100644 --- a/platform/linux-generic/include/odp_buffer_internal.h +++ b/platform/linux-generic/include/odp_buffer_internal.h @@ -53,9 +53,6 @@ extern "C" { _ODP_STATIC_ASSERT(ODP_CONFIG_PACKET_SEG_LEN_MIN >= 256, "ODP Segment size must be a minimum of 256 bytes"); -_ODP_STATIC_ASSERT((ODP_CONFIG_PACKET_SEG_LEN_MIN % ODP_CACHE_LINE_SIZE) == 0, - "ODP Segment size must be a multiple of cache line size"); - _ODP_STATIC_ASSERT((ODP_CONFIG_PACKET_BUF_LEN_MAX % ODP_CONFIG_PACKET_SEG_LEN_MIN) == 0, "Packet max size must be a multiple of segment size"); diff --git a/platform/linux-generic/include/odp_pool_internal.h b/platform/linux-generic/include/odp_pool_internal.h index 46c2961..da22abe 100644 --- a/platform/linux-generic/include/odp_pool_internal.h +++ b/platform/linux-generic/include/odp_pool_internal.h @@ -119,6 +119,7 @@ struct pool_entry_s { odp_atomic_u64_t blkempty; odp_atomic_u64_t high_wm_count; odp_atomic_u64_t low_wm_count; + uint32_t buf_num; uint32_t seg_size; uint32_t high_wm; uint32_t low_wm; diff --git a/platform/linux-generic/odp_pool.c b/platform/linux-generic/odp_pool.c index c07392f..ce2d88b 100644 --- a/platform/linux-generic/odp_pool.c +++ b/platform/linux-generic/odp_pool.c @@ -136,13 +136,9 @@ odp_pool_t odp_pool_create(const char *name, ODP_CACHE_LINE_SIZE_ROUNDUP(init_params->udata_size) : 0; - uint32_t blk_size, buf_stride; - uint32_t buf_align; - - if (params->type == ODP_POOL_PACKET) - buf_align = 0; - else - buf_align = params->buf.align; + uint32_t blk_size, buf_stride, buf_num, seg_len; + uint32_t buf_align = + params->type == ODP_POOL_BUFFER ? params->buf.align : 0; /* Validate requested buffer alignment */ if (buf_align > ODP_CONFIG_BUFFER_ALIGN_MAX || @@ -158,35 +154,44 @@ odp_pool_t odp_pool_create(const char *name, /* Calculate space needed for buffer blocks and metadata */ switch (params->type) { case ODP_POOL_BUFFER: - case ODP_POOL_TIMEOUT: + buf_num = params->buf.num; blk_size = params->buf.size; /* Optimize small raw buffers */ if (blk_size > ODP_MAX_INLINE_BUF || params->buf.align != 0) blk_size = ODP_ALIGN_ROUNDUP(blk_size, buf_align); - buf_stride = params->type == ODP_POOL_BUFFER ? - sizeof(odp_buffer_hdr_stride) : - sizeof(odp_timeout_hdr_stride); + buf_stride = sizeof(odp_buffer_hdr_stride); break; case ODP_POOL_PACKET: + unseg = 0; /* Packets are always segmented */ headroom = ODP_CONFIG_PACKET_HEADROOM; tailroom = ODP_CONFIG_PACKET_TAILROOM; - unseg = params->pkt.seg_len > ODP_CONFIG_PACKET_BUF_LEN_MAX; - - if (unseg) - blk_size = ODP_ALIGN_ROUNDUP( - headroom + params->pkt.seg_len + tailroom, - buf_align); - else - blk_size = ODP_ALIGN_ROUNDUP( - headroom + params->pkt.seg_len + tailroom, - ODP_CONFIG_PACKET_SEG_LEN_MIN); - - buf_stride = params->type == ODP_POOL_PACKET ? - sizeof(odp_packet_hdr_stride) : - sizeof(odp_any_hdr_stride); + buf_num = params->pkt.num; + + seg_len = params->pkt.seg_len == 0 ? + ODP_CONFIG_PACKET_SEG_LEN_MIN : + (params->pkt.seg_len <= ODP_CONFIG_PACKET_SEG_LEN_MAX ? + params->pkt.seg_len : ODP_CONFIG_PACKET_SEG_LEN_MAX); + + seg_len = ODP_ALIGN_ROUNDUP( + headroom + seg_len + tailroom, + ODP_CONFIG_BUFFER_ALIGN_MIN); + + blk_size = ODP_ALIGN_ROUNDUP(params->pkt.len, seg_len); + + /* Reject create if pkt.len needs too many segments */ + if (blk_size / seg_len > ODP_BUFFER_MAX_SEG) + return ODP_POOL_INVALID; + + buf_stride = sizeof(odp_packet_hdr_stride); + break; + + case ODP_POOL_TIMEOUT: + blk_size = 0; + buf_num = params->tmo.num; + buf_stride = sizeof(odp_timeout_hdr_stride); break; default: @@ -194,7 +199,7 @@ odp_pool_t odp_pool_create(const char *name, } /* Validate requested number of buffers against addressable limits */ - if (params->buf.num > + if (buf_num > (ODP_BUFFER_MAX_BUFFERS / (buf_stride / ODP_CACHE_LINE_SIZE))) return ODP_POOL_INVALID; @@ -231,14 +236,15 @@ odp_pool_t odp_pool_create(const char *name, block_size = 0; pool->s.buf_align = blk_size == 0 ? 0 : sizeof(void *); } else { - block_size = params->buf.num * blk_size; + block_size = buf_num * blk_size; pool->s.buf_align = buf_align; } pad_size = ODP_CACHE_LINE_SIZE_ROUNDUP(block_size) - block_size; - mdata_size = params->buf.num * buf_stride; - udata_size = params->buf.num * udata_stride; + mdata_size = buf_num * buf_stride; + udata_size = buf_num * udata_stride; + pool->s.buf_num = buf_num; pool->s.pool_size = ODP_PAGE_SIZE_ROUNDUP(block_size + pad_size + mdata_size + @@ -283,9 +289,7 @@ odp_pool_t odp_pool_create(const char *name, pool->s.flags.unsegmented = unseg; pool->s.flags.zeroized = zeroized; - pool->s.seg_size = unseg ? - blk_size : ODP_CONFIG_PACKET_SEG_LEN_MIN; - + pool->s.seg_size = unseg ? blk_size : seg_len; uint8_t *block_base_addr = pool->s.pool_base_addr; uint8_t *mdata_base_addr = @@ -375,8 +379,8 @@ odp_pool_t odp_pool_create(const char *name, pool->s.tailroom = tailroom; /* Watermarks are hard-coded for now to control caching */ - pool->s.high_wm = params->buf.num / 2; - pool->s.low_wm = params->buf.num / 4; + pool->s.high_wm = buf_num / 2; + pool->s.low_wm = buf_num / 4; pool_hdl = pool->s.pool_hdl; break; @@ -417,10 +421,7 @@ int odp_pool_info(odp_pool_t pool_hdl, odp_pool_info_t *info) info->name = pool->s.name; info->shm = pool->s.flags.user_supplied_shm ? pool->s.pool_shm : ODP_SHM_INVALID; - info->params.buf.size = pool->s.params.buf.size; - info->params.buf.align = pool->s.params.buf.align; - info->params.buf.num = pool->s.params.buf.num; - info->params.type = pool->s.params.type; + info->params = pool->s.params; return 0; } @@ -446,7 +447,7 @@ int odp_pool_destroy(odp_pool_t pool_hdl) flush_cache(&local_cache[pool_id], &pool->s); /* Call fails if pool has allocated buffers */ - if (odp_atomic_load_u32(&pool->s.bufcount) < pool->s.params.buf.num) { + if (odp_atomic_load_u32(&pool->s.bufcount) < pool->s.buf_num) { POOL_UNLOCK(&pool->s.lock); return -1; } @@ -470,7 +471,7 @@ odp_buffer_t buffer_alloc(odp_pool_t pool_hdl, size_t size) /* Reject oversized allocation requests */ if ((pool->s.flags.unsegmented && totsize > pool->s.seg_size) || (!pool->s.flags.unsegmented && - totsize > ODP_CONFIG_PACKET_BUF_LEN_MAX)) + totsize > pool->s.seg_size * ODP_BUFFER_MAX_SEG)) return ODP_BUFFER_INVALID; /* Try to satisfy request from the local cache */ @@ -591,10 +592,10 @@ void odp_pool_print(odp_pool_t pool_hdl) ODP_DBG(" tailroom %u\n", pool->s.tailroom); ODP_DBG(" buf align %u requested, %u used\n", pool->s.params.buf.align, pool->s.buf_align); - ODP_DBG(" num bufs %u\n", pool->s.params.buf.num); + ODP_DBG(" num bufs %u\n", pool->s.buf_num); ODP_DBG(" bufs available %u %s\n", bufcount, pool->s.low_wm_assert ? " **low wm asserted**" : ""); - ODP_DBG(" bufs in use %u\n", pool->s.params.buf.num - bufcount); + ODP_DBG(" bufs in use %u\n", pool->s.buf_num - bufcount); ODP_DBG(" buf allocs %lu\n", bufallocs); ODP_DBG(" buf frees %lu\n", buffrees); ODP_DBG(" buf empty %lu\n", bufempty);