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10 Commits (05a59d79793d482f628a31753c671f2e92178a21)

Author SHA1 Message Date
Rafał Miłecki d313d16bba net: broadcom: bcm4908_enet: enable RX after processing packets
When receiving a lot of packets hardware may run out of free
descriptiors and stop RX ring. Enable it every time after handling
received packets.

Fixes: 4feffeadbc ("net: broadcom: bcm4908enet: add BCM4908 controller driver")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210226132038.29849-1-zajec5@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-28 11:51:31 -08:00
Rafał Miłecki 4d9274cee4 net: broadcom: bcm4908_enet: fix NAPI poll returned value
Missing increment was resulting in poll function always returning 0
instead of amount of processed packets.

Fixes: 4feffeadbc ("net: broadcom: bcm4908enet: add BCM4908 controller driver")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210224151842.2419-2-zajec5@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-25 09:46:39 -08:00
Rafał Miłecki 4dc7f09b8b net: broadcom: bcm4908_enet: fix RX path possible mem leak
After filling RX ring slot with new skb it's required to free old skb.
Immediately on error or later in the net subsystem.

Fixes: 4feffeadbc ("net: broadcom: bcm4908enet: add BCM4908 controller driver")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210224151842.2419-1-zajec5@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-25 09:45:01 -08:00
Rafał Miłecki 14b3b46a67 net: broadcom: bcm4908_enet: set MTU on open & on request
Hardware comes up with default max frame size set to 1518. When using it
with switch it results in actual Ethernet MTU 1492:
1518 - 14 (Ethernet header) - 4 (Broadcom's tag) - 4 (802.1q) - 4 (FCS)

Above means hardware in its default state can't handle standard Ethernet
traffic (MTU 1500).

Define maximum possible Ethernet overhead and always set MAC max frame
length accordingly. This change fixes handling Ethernet frames of length
1506 - 1514.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-15 15:06:36 -08:00
Rafał Miłecki bdd70b9977 net: broadcom: bcm4908_enet: fix endianness in xmit code
Use le32_to_cpu() for reading __le32 struct field filled by hw.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11 15:04:17 -08:00
Rafał Miłecki 195e2d9feb net: broadcom: bcm4908_enet: fix received skb length
Use ETH_FCS_LEN instead of magic value and drop incorrect + 2

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11 15:04:17 -08:00
Rafał Miłecki e394881172 net: broadcom: bcm4908_enet: fix minor typos
1. Fix "ensable" typo noticed by Andrew
2. Fix chipset name in the struct net_device_ops variable

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11 15:04:17 -08:00
Rafał Miłecki 7b778ae4eb net: broadcom: bcm4908_enet: drop "inline" from C functions
It seems preferred to let compiler optimize code if applicable.
While at it drop unused enet_umac_maskset().

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11 15:04:17 -08:00
Rafał Miłecki af263af646 net: broadcom: bcm4908_enet: drop unneeded memset()
dma_alloc_coherent takes care of zeroing allocated memory

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11 15:04:17 -08:00
Rafał Miłecki 9d61d138ab net: broadcom: rename BCM4908 driver & update DT binding
compatible string was updated to match normal naming convention so
update driver as well

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11 15:04:17 -08:00