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90bfe662db
Support checksum neutral ILA as described in the ILA draft. The low order 16 bits of the identifier are used to contain the checksum adjustment value. The csum-mode parameter is added to described checksum processing. There are three values: - adjust transport checksum (previous behavior) - do checksum neutral mapping - do nothing On output the csum-mode in the ila_params is checked and acted on. If mode is checksum neutral mapping then to mapping and set C-bit. On input, C-bit is checked. If it is set checksum-netural mapping is done (regardless of csum-mode in ila params) and C-bit will be cleared. If it is not set then action in csum-mode is taken. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
46 lines
775 B
C
46 lines
775 B
C
/* ila.h - ILA Interface */
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#ifndef _UAPI_LINUX_ILA_H
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#define _UAPI_LINUX_ILA_H
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/* NETLINK_GENERIC related info */
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#define ILA_GENL_NAME "ila"
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#define ILA_GENL_VERSION 0x1
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enum {
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ILA_ATTR_UNSPEC,
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ILA_ATTR_LOCATOR, /* u64 */
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ILA_ATTR_IDENTIFIER, /* u64 */
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ILA_ATTR_LOCATOR_MATCH, /* u64 */
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ILA_ATTR_IFINDEX, /* s32 */
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ILA_ATTR_DIR, /* u32 */
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ILA_ATTR_PAD,
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ILA_ATTR_CSUM_MODE, /* u8 */
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__ILA_ATTR_MAX,
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};
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#define ILA_ATTR_MAX (__ILA_ATTR_MAX - 1)
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enum {
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ILA_CMD_UNSPEC,
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ILA_CMD_ADD,
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ILA_CMD_DEL,
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ILA_CMD_GET,
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__ILA_CMD_MAX,
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};
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#define ILA_CMD_MAX (__ILA_CMD_MAX - 1)
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#define ILA_DIR_IN (1 << 0)
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#define ILA_DIR_OUT (1 << 1)
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enum {
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ILA_CSUM_ADJUST_TRANSPORT,
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ILA_CSUM_NEUTRAL_MAP,
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ILA_CSUM_NO_ACTION,
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};
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#endif /* _UAPI_LINUX_ILA_H */
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