Searched refs:headroom (Results 1 - 3 of 3) sorted by path

/u-boot/arch/mips/mach-octeon/include/mach/
H A Dcvmx-pko3.h1016 headroom : 10, /**< free bytes at start of 1st buf */ member in struct:cvmx_pko3_pdesc_s
/u-boot/include/net/
H A Ddsa.h45 * class code helps with headroom/tailroom for the extra headers.
65 * DSA drivers receive a copy of the packet with headroom and
66 * tailroom reserved and set to 0. 'packet' points to headroom
122 * dsa_set_tagging() - Configure the headroom and/or tailroom sizes
124 * The DSA class code allocates headroom and tailroom on Tx before
129 * @headroom: Size, in bytes, of headroom needed for the DSA tag.
131 * Total headroom and tailroom size should not exceed
135 int dsa_set_tagging(struct udevice *dev, ushort headroom, ushort tailroom);
/u-boot/net/
H A Ddsa-uclass.c22 int headroom; member in struct:dsa_priv
27 int dsa_set_tagging(struct udevice *dev, ushort headroom, ushort tailroom) argument
34 if (headroom + tailroom > DSA_MAX_OVR)
39 if (headroom > 0)
40 priv->headroom = headroom;
131 * We copy the frame to a stack buffer where we have reserved headroom and
138 int head = priv->headroom, tail = priv->tailroom;
170 int head = priv->headroom, tail = priv->tailroom;
195 * We move the pointer over headroom her
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