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| author | Camelia Groza <camelia.groza@nxp.com> | 2017-11-24 08:48:31 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-12-12 07:32:43 (GMT) |
| commit | 11a1b0633b31adb168fa49be548b732f38989fda (patch) | |
| tree | 2625d1c77df323b078029731d4db04c82ed4978a /drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h | |
| parent | 08c48ca0670ab0fb81ba8f720da2726c1761191e (diff) | |
| download | linux-11a1b0633b31adb168fa49be548b732f38989fda.tar.xz | |
sdk_dpaa: ceetm: stop transmitting frames when the CQ is congested
When the egress CQ is congested, drop the frames instead of enqueueing
them. This is more efficient than enqueueing and receiving them back on
the ERN queue.
We also can't stop the netdev queues because that would affect all the CQs
and would hinder prioritization.
Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
Diffstat (limited to 'drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h index 63cc3475..0ff3b9d 100644 --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h @@ -105,6 +105,7 @@ struct ceetm_fq { struct qman_fq fq; struct net_device *net_dev; struct ceetm_class *ceetm_cls; + int congested; /* Congestion status */ }; struct root_q { |