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Commit d760fc37 authored by Mintz Yuval's avatar Mintz Yuval Committed by David S. Miller
Browse files

bnx2x: allocate smaller Rx rings for 1G functions 



Signed-off-by: default avatarYuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent afa13b4b

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

+7 −0
Original line number Diff line number Diff line
@@ -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);