From d760fc37b0f74502b3f748951f22c6683b079a8e Mon Sep 17 00:00:00 2001 From: Mintz Yuval Date: Wed, 15 Feb 2012 02:10:28 +0000 Subject: [PATCH] bnx2x: allocate smaller Rx rings for 1G functions Signed-off-by: Yuval Mintz Signed-off-by: Eilon Greenstein Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 7f6a1b1be74d..5d15efc2a9e2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3122,9 +3122,16 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index) } else #endif if (!bp->rx_ring_size) { + u32 cfg = SHMEM_RD(bp, + dev_info.port_hw_config[BP_PORT(bp)].default_cfg); rx_ring_size = MAX_RX_AVAIL/BNX2X_NUM_RX_QUEUES(bp); + /* Dercease ring size for 1G functions */ + if ((cfg & PORT_HW_CFG_NET_SERDES_IF_MASK) == + PORT_HW_CFG_NET_SERDES_IF_SGMII) + rx_ring_size /= 10; + /* allocate at least number of buffers required by FW */ rx_ring_size = max_t(int, bp->disable_tpa ? MIN_RX_SIZE_NONTPA : MIN_RX_SIZE_TPA, rx_ring_size); -- 2.20.1