CONFIG_IBM_EMAC_RX_SKB_HEADROOM: Additional RX skb headroom (bytes)

General informations

The Linux kernel configuration item CONFIG_IBM_EMAC_RX_SKB_HEADROOM has multiple definitions:

Additional RX skb headroom (bytes) found in drivers/net/ethernet/ibm/emac/Kconfig

The configuration item CONFIG_IBM_EMAC_RX_SKB_HEADROOM:

• prompt: Additional RX skb headroom (bytes)
• type: int
• depends on: CONFIG_IBM_EMAC
• defined in drivers/net/ethernet/ibm/emac/Kconfig
• found in Linux kernels: 3.2–3.19, 4.0–4.20, 5.0

Help text

Additional receive skb headroom. Note, that driver will always reserve at least 2 bytes to make IP header aligned, so usually there is no need to add any additional headroom.

If unsure, set to 0.

Additional RX skb headroom (bytes) found in drivers/net/ibm_emac/Kconfig

The configuration item CONFIG_IBM_EMAC_RX_SKB_HEADROOM:

• prompt: Additional RX skb headroom (bytes)
• type: int
• depends on: CONFIG_IBM_EMAC
• defined in drivers/net/ibm_emac/Kconfig
• found in Linux kernels: 2.6.24–2.6.26

Help text

Additional receive skb headroom. Note, that driver will always reserve at least 2 bytes to make IP header aligned, so usually there is no need to add any additional headroom.

If unsure, set to 0.

Additional RX skb headroom (bytes) found in drivers/net/Kconfig

The configuration item CONFIG_IBM_EMAC_RX_SKB_HEADROOM:

• prompt: Additional RX skb headroom (bytes)
• type: int
• depends on: CONFIG_IBM_EMAC
• defined in drivers/net/Kconfig
• found in Linux kernels: 2.6.15–2.6.23

Help text

Additional receive skb headroom. Note, that driver will always reserve at least 2 bytes to make IP header aligned, so usually there is no need to add any additional headroom.

If unsure, set to 0.

Hardware

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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