From: Alex Marginean Date: Mon, 2 Mar 2020 14:32:05 +0000 (+0530) Subject: net/enetc: reorder BDR structure X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=66894d983eb7712b3edf952e470fe5dfe626507b net/enetc: reorder BDR structure Reorder the members of the structure so that the ones used on datapath fit in a single cache line, to slightly reduce pressure on cache and miss rate. Signed-off-by: Alex Marginean Acked-by: Gagandeep Singh --- diff --git a/drivers/net/enetc/enetc.h b/drivers/net/enetc/enetc.h index 8c830a5c06..14ef3bc18b 100644 --- a/drivers/net/enetc/enetc.h +++ b/drivers/net/enetc/enetc.h @@ -53,23 +53,23 @@ struct enetc_swbd { }; struct enetc_bdr { - struct rte_eth_dev *ndev; - struct rte_mempool *mb_pool; /* mbuf pool to populate RX ring. */ void *bd_base; /* points to Rx or Tx BD ring */ + struct enetc_swbd *q_swbd; union { void *tcir; void *rcir; }; - uint16_t index; int bd_count; /* # of BDs */ int next_to_use; int next_to_clean; - struct enetc_swbd *q_swbd; + uint16_t index; + uint8_t crc_len; /* 0 if CRC stripped, 4 otherwise */ union { void *tcisr; /* Tx */ int next_to_alloc; /* Rx */ }; - uint8_t crc_len; /* 0 if CRC stripped, 4 otherwise */ + struct rte_mempool *mb_pool; /* mbuf pool to populate RX ring. */ + struct rte_eth_dev *ndev; }; /*