sfxge: move deferred packet list statistics to dedicated node

It is done to structure sysctl and do not mix with Tx queue statistics
to be added.

Sponsored by: Solarflare Communications, Inc.
App

sfxge: move deferred packet list statistics to dedicated node

It is done to structure sysctl and do not mix with Tx queue statistics
to be added.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

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Merge from head

Merge ^/head r279313 through r279595.

Merge r278538 through r279514.

sfxge: expect required init_state on data path and in periodic calls

With the patch applied the number of instruction events is 1% less and
number of mispredicted branch events is 5% less under mult

sfxge: expect required init_state on data path and in periodic calls

With the patch applied the number of instruction events is 1% less and
number of mispredicted branch events is 5% less under multistream TCP
traffic load close to line rate.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

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Merge ^/head r279163 through r279308.

sfxge: add put-list high watermark

It is interesting to know how long put-list grows.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

sfxge: implement if_get_counter callback

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

sfxge: DMA allocated memory is set to zeros because of BUS_DMA_ZERO flag

It is not required to set it to zeros once again.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mento

sfxge: DMA allocated memory is set to zeros because of BUS_DMA_ZERO flag

It is not required to set it to zeros once again.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

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Merge ^/head r279023 through r279162.

sfxge: TxQ block level should use EFX_TXQ_LIMIT as maximum TxQ size

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

sfxge: packet can't require more than n_dma_seg descriptors plus one

Use remaining number of DMA segment instead of maximum number in mapping
when checking space for one more TSO segment packet.

Sp

sfxge: packet can't require more than n_dma_seg descriptors plus one

Use remaining number of DMA segment instead of maximum number in mapping
when checking space for one more TSO segment packet.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

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sfxge: style fixes and cleanup

Sync endif comment with conditional.
BOOTROM and SIENA_BOOTROM are the same, but highlight that it is Siena.
Restore commented out assertion.
Sync comments with out-of

sfxge: style fixes and cleanup

Sync endif comment with conditional.
BOOTROM and SIENA_BOOTROM are the same, but highlight that it is Siena.
Restore commented out assertion.
Sync comments with out-of-tree driver.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

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sfxge: more accurate calculation of maximum number of TSO segments

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

sfxge: reap Tx descriptors on unblock

Otherwise when processing finally comes to efx_tx_qdesc_post() it could
be insufficient space between reaped and added to post pending
descriptors.

Sponsored b

sfxge: reap Tx descriptors on unblock

Otherwise when processing finally comes to efx_tx_qdesc_post() it could
be insufficient space between reaped and added to post pending
descriptors.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

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sfxge: style fixes

Use nitem() to get number of array elements.
Remove unused define.
Use TAB to indent.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

sfxge: handle fragmented TCP header in mbuf

TCP header is fragmented in the case of VLAN tagged IPv6 traffic without
HW VLAN tagging.

Sponsored by: Solarflare Communications, Inc.
Approved by:

sfxge: handle fragmented TCP header in mbuf

TCP header is fragmented in the case of VLAN tagged IPv6 traffic without
HW VLAN tagging.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

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Merging ^/head r278916 through r279022.

MFH: r278593-r278966

Sponsored by: The FreeBSD Foundation

sfxge: add driver context member with number of transmit queues

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

sfxge: add TCP segment size to sfxge_tso_state

It avoids access to m_pkthdr when TSO packet is started and also makes
tso_start_new_packet() function smaller.

Sponsored by: Solarflare Communicati

sfxge: add TCP segment size to sfxge_tso_state

It avoids access to m_pkthdr when TSO packet is started and also makes
tso_start_new_packet() function smaller.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)

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Merge ^/head r278756 through r278915.

sfxge: flush all Tx queues from if_qflush

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor), glebius

sfxge: remove inline specifiers

Now compiler does not need any help.
The patch does not change generated code.

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor), glebius

sfxge: remove used sfxge_tso_state member dma_seg_i

Sponsored by: Solarflare Communications, Inc.
Approved by: gnn (mentor)