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| author | Mintz Yuval | 2012-02-15 03:10:28 +0100 |
|---|---|---|
| committer | David S. Miller | 2012-02-15 21:30:49 +0100 |
| commit | d760fc37b0f74502b3f748951f22c6683b079a8e (patch) | |
| tree | 3ecf9f42919bdff47ca11f56683589da948032d0 /drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | |
| parent | bnx2x: allocate memory dynamically in ethtool self-test. (diff) | |
| download | kernel-qcow2-linux-d760fc37b0f74502b3f748951f22c6683b079a8e.tar.gz kernel-qcow2-linux-d760fc37b0f74502b3f748951f22c6683b079a8e.tar.xz kernel-qcow2-linux-d760fc37b0f74502b3f748951f22c6683b079a8e.zip | |
bnx2x: allocate smaller Rx rings for 1G functions
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 7 |
1 files changed, 7 insertions, 0 deletions
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); |