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Differential D29909

cxgbei: Rework the pdu_append_data hook to support M_WAITOK.
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Authored by jhb on Apr 21 2021, 11:59 PM.
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rG19224c9f8477: cxgbei: Rework the pdu_append_data hook to support M_WAITOK.
rG31df8ff73e3a: cxgbei: Rework the pdu_append_data hook to support M_WAITOK.
Summary
  • Only allocate 16K jumbo mbufs if the region of data to be appended is sufficiently large, and use a loop.
  • Use m_getm2() to allocate a chain for data less than 16K, or if m_getjcl() fails.
  • Use ENOMEM as the return value instead of '1' if the hook fails due to a memory allocation error.

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rS FreeBSD src repository - subversion
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Buildable 38777
Build 35666: arc lint + arc unit

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sys/
dev/
cxgbe/
cxgbei/
67 lines

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sys/dev/cxgbe/cxgbei/icl_cxgbei.c

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