net: stmmac: Add support to Ethtool get/set ring parameters

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This patch add support to --show-ring & --set-ring Ethtool functions:
- Adding min, max, power of two check to new ring parameter's value.
- Bring down the network interface before changing the value of ring
  parameters.
- Bring up the network interface after changing the value of ring
  parameters.

Signed-off-by: Song, Yoong Siang <yoong.siang.song@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Song, Yoong Siang 2020-09-16 15:40:20 +08:00 • committed by David S. Miller

parent 18e9a40732

commit aa042f60e4

7 changed files with 132 additions and 59 deletions

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7

drivers/net/ethernet/stmicro/stmmac/chain_mode.c

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13

drivers/net/ethernet/stmicro/stmmac/common.h

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2

drivers/net/ethernet/stmicro/stmmac/ring_mode.c

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3

drivers/net/ethernet/stmicro/stmmac/stmmac.h

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29

drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c

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135

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

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2

drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c

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